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PR rtl-optimization/25310
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
2
3         PR rtl-optimization/25310
4         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
5         of the eliminable register when substituting into a PLUS.
6
7 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
8
9         PR debug/25023
10         * config/i386/i386.c (ix86_force_to_memory): Always use
11         SImode push for HImode in -m32.
12         (ix86_free_from_memory): Likewise.
13
14 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
15
16         * gcc/config/arm/arm.md: Provide a big-endian version of the
17         (zero_extend:SI (subreg:QI ...)) splitter.
18
19 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
20
21         * struct-equiv.c (note_local_live): Handle hard regs with different
22         hard_regno_nregs.
23
24 2005-12-14  Jeff Law  <law@redhat.com>
25
26         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
27         to a structure containing state rather than a pointer to bool.
28         (case ARRAY_REF): New code to handle folding some array references.
29         (case ADDR_EXPR): Note when we are processing expressions found
30         within an ADDRE_EXPR.
31         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
32         for state variables rather than just a pointer to a boolean.
33         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
34         handling of constant string references.
35
36 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
37
38         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
39         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
40         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
41         Move other tst* patterns to retain partial order.
42
43 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
44
45         * config/s390/s390.md ("d0", "1"): New mode attributes.
46         ("<shift>di3", "<shift>si3"): Merge.
47         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
48         ("ashrdi3", "ashrsi3"): Merge.
49         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
50         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
51         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
52         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
53         ("*ashrdi3", "*ashrsi3"): Merge.
54         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
55
56 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
57
58         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
59         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
60         ("*extendqidi2", "*extendqisi2") Merge.
61         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
62         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
63         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
64         Move some patterns to retain partial ordering.
65
66 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
67
68         * config/s390/s390.md ("atype", "length"): Rewrite.
69         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
70
71 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
72
73         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
74
75 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
76
77         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
78         PARALLELs with a mode.
79
80 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
81
82         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
83         cond_expr parameter.
84
85 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
86
87         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
88
89 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
90
91         PR bootstrap/25397:
92
93         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
94         of STACK_REGS bits.
95
96         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
97
98 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
99
100         PR target/25254
101         PR target/24188
102         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
103         DECL_P, call get_section rather than get_named_section.  Supply
104         section flags to it.
105
106 2005-12-14  Ben Elliston  <bje@au.ibm.com>
107
108         * c-common.c (c_common_truthvalue_conversion): Generalise warning
109         for addresses converted to booleans; not just function addresses.
110         * c-typeck.c (build_binary_op): Warn for address comparisons which
111         can never be NULL (eg. func == NULL or &var == NULL).
112         * common.opt (Walways-true): New option.
113         * c-opts.c (c_common_handle_option): Set it with -Wall.
114         * doc/invoke.texi: Document it.
115
116 2005-12-13  Paul Brook  <paul@codesourcery.com>
117
118         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
119         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
120
121 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
122
123         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
124         (EXTRA_MULTILIB_PARTS): Define.
125
126 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
127
128         PR rtl-optimization/20070 / part1
129         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
130         count_or_remove_death_notes with kill == -1.
131         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
132         registers if PROP_POST_REGSTACK is set.
133         (mark_used_reg): Likewise.
134         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
135         REG_UNUSED notes for stack regs.
136         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
137         to match rtx_equiv_p machinery.  Change caller.
138         (outgoing_edges_match): Likewise.
139         (try_crossjump_to_edge): Use struct_equiv_block_eq
140         instead of flow_find_cross_jump.
141         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
142         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
143         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
144         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
145         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
146         (insns_match_p): Update prototype.
147         (flow_find_cross_jump): Remove prototype.
148         (struct_equiv_block_eq, struct_equiv_init): Declare.
149         (rtx_equiv_p, condjump_equiv_p): Likewise.
150         * struct-equiv.c: Include reload.h.
151         (IMPOSSIBLE_MOVE_FACTOR): Define.
152         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
153         (struct_equiv_improve_checkpoint): Likewise.
154         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
155         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
156         (struct_equiv_merge, find_dying_input): Likewise.
157         (resolve_input_conflict, note_local_live): Likewise.
158         (death_notes_match_p): Change parameters and processing
159         to match rtx_equiv_p machinery.  Change caller.
160         (insns_match_p): Likewise.
161         (flow_find_cross_jump): Replace with:
162         (struct_equiv_block_eq).
163
164         Back out this change:
165         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
166           * recog.c (verify_changes): Make it static.
167           * recog.h: Remove the corresponding prototype.
168
169 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
170
171         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
172         values.
173
174 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
175
176         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
177         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
178         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
179         TARGET_MS1_64_001 appropriately.
180         (ms1_machine_reorg): Use TARGET_MS2.
181
182 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
183
184         PR debug/25023
185         PR target/25293
186         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
187         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
188         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
189         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
190         Set mode to SI, adjust constraints.
191         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
192         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
193         32-bit code.
194
195 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
196
197         * c-cppbuiltin.c (builtin_define_float_constants): Add
198         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
199         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
200         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
201         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
202         to "((double)%sL)" otherwise "%s".
203
204 2005-12-13  Paul Brook  <paul@codesourcery.com>
205
206         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
207         apcs/atpcs.
208
209 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
210
211         * tree-flow.h: Allow compilation with a C++ compiler.
212         (struct edge_prediction): Prefix all field names  with "ep_".
213         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
214         (tree_predict_edge, combine_predictions_for_bb): Likewise.
215         (remove_predictions_associated_with_edge): Likewise.
216         
217 2005-12-12  Jeff Law  <law@redhat.com>
218
219         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
220         reassociation code.
221         * passes.c (init_optimization_passes): Run reassociation again
222         after loop optimizations.
223
224 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
225
226         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
227         if necessary.
228         (optimize_stmt): Ditto.
229         (canonicalize_comparison): New function.
230         * tree-ssa-operands.c (swap_tree_operands): Make external.
231         (get_expr_operands): Stop auto-canonicalization.
232         * tree-ssa-reassoc.c: Rewrite.
233         (init_optimization_passes): 
234         * tree-flow.h (swap_tree_operands): Prototype.
235         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
236
237 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
238
239         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
240         indicate function epilogue has been output.
241         (pa_asm_output_mi_thunk): Likewise.
242         (output_deferred_plabels): Put plabels in readonly data section when
243         not generating PIC code.
244         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
245         information.  Add assert.
246         (som_output_comdat_data_section_asm_op): New function.
247         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
248         instead of output_section_asm_op for COMDAT sections.
249
250 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
251
252         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
253         Fix whitespace in vincinity of to-be-installed changes.
254         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
255         (insns_match_p): Likewise.
256
257 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
258
259         * config.gcc (ms1): Replace with ...
260         (mt): ... this.
261         * config/ms1: Rename to ...
262         * config/mt: ... here.  Rename ms1 files to mt.
263         * config/mt/mt.c: Adjust gt-mt.h #include.
264         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
265         (crti.o, crtn.o): Adjust file names.
266
267 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
268
269         * varray.h: Allow compilation with a C++ compiler.
270         (union varray_data_tag): Prefix all field names with "vdt_".
271         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
272         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
273         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
274         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
275         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
276         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
277         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
278         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
279         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
280         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
281         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
282         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
283         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
284         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
285         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
286         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
287         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
288         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
289         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
290         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
291         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
292         VARRAY_TOP_TREE_PTR): Likewise.
293         * varray.c (varray_grow): Likewise.
294         (varray_clear): Likewise.
295
296 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
297
298         PR target/25299
299         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
300         alignment to doubleword if the first field is a double array.
301         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
302
303 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
304
305         * tree-ssa-structalias.c (process_constraint): Remove code to
306         transform addressofs into scalar.
307         (create_variable_info_for): In whole-program IPA, globals don't
308         point to ANYTHING by default.
309
310 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
311
312         * timevar.def (TV_IPA_PTA): New.
313         * tree-pass.h (pass_ipa_pta): New
314         * tree-ssa-structalias.c: Include cgraph.h
315         (in_ipa_mode): New.
316         (predbitmap_obstack): New.
317         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
318         (struct constraint_stats): Add num_edges.
319         (new_var_info): Don't call bitmap_clear.
320         (struct constraint_edge): Update docs.
321         (new_constraint_edge): Remove src param.
322         (struct constraint_graph): Add zero_weight_succs,
323         zero_weight_preds.  Update docs.
324         (constraint_expr_equal): Reformat.
325         (constraint_edge_equal): Update for removal of src.
326         (constraint_edge_less): Ditto.
327         (constraint_edge_vec_find): Ditto.
328         (erase_graph_self_edge): Update for removal of src and and zero
329         weight bitmap.
330         (clear_edges_for_node): Ditto.
331         (add_graph_edge): Ditto.
332         (get_graph_weights): Ditto.
333         (allocate_graph_weights): Ditto.
334         (merge_graph_nodes): Ditto.
335         (int_add_graph_edge): Ditto.
336         (valid_graph_edge): Ditto.
337         (valid_weighted_graph_edge): Ditto.
338         (build_constraint_graph): Ditto.
339         (scc_visit): Ditto.
340         (collapse_nodes): Ditto.
341         (process_unification_queue): Ditto.
342         (topo_visit): Ditto.
343         (solve_graph): Ditto.
344         (do_structure_copy): Ditto.
345         (perform_var_substitution): Ditto.
346         Init and release obstack.
347         (handle_ptr_arith): Try to resolve directly.
348         (find_func_aliases): Don't call update_alias_info here
349         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
350         (do_sd_constraint): Add code for propagating faster.
351         Update.
352         (do_ds_constraint): Ditto.
353         (count_num_arguments): New function.
354         (create_function_info_for): Ditto.
355         (create_variable_info_for): Handle FUNCTION_DECL.
356         (intra_create_variable_infos): Use make_constraint_to_anything.
357         (init_alias_vars): Init obstacks here.
358         (need_to_solve): Handle zero weight graph changes.
359         (compute_points_to_sets): Call update_alias_info here.
360         (delete_points_to_sets): Free zero weight preds/succs here.
361         (gate_ipa_pta): New.
362         (ipa_pta_execute): New
363
364 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
365
366         * tree-ssa-structalias.c (var_anyoffset): Removed.
367         (anyoffset_tree): Ditto.
368         (anyoffset_id): Ditto.
369         (do_deref): Take vector of constraints, no return value.
370         Update to work on vector.                
371         (get_constraint_for): Ditto.
372         (get_constraint_for_component_ref): Ditto.
373         (do_structure_copy): Ditto.
374         (handle_ptr_arith): Ditto.
375         (find_func_aliases): Ditto.
376         (set_uids_in_ptset): Remove anyoffset handling.
377         (init_base_vars): Ditto.
378
379 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
380
381         PR c++/25010
382         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
383         DECL_EXTERNAL functions have no bodies.  Tidy.
384
385 2005-12-10  Andreas Schwab  <schwab@suse.de>
386
387         * except.c (switch_to_exception_section): Only define if
388         TARGET_UNWIND_INFO is not defined.
389
390 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
391
392         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
393         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
394
395 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
396
397         * output.h (init_section, fini_section): Delete.
398         * varasm.c (init_section, fini_section): Delete.
399         (init_varasm_once): Don't initialize them.
400         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
401         there are no corresponding varasm.c variables.
402
403 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
404
405         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
406         of EH_FRAME_SECTION_NAME into...
407         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
408         if it is still null.
409         * except.c (default_exception_section): Delete, moving most
410         of the code to...
411         (switch_to_exception_section): ...this new function.  Set
412         exception_section if it is still null, then switch to it.
413         (output_function_exception_table): Use switch_to_exception_section.
414         * varasm.c (exception_section, eh_frame_section): Update comments.
415         (get_section): Hoist use of SECTION_NAMED.
416         (init_varasm_once): Don't set exception_section and eh_frame_section.
417         * output.h (default_exception_section): Delete.
418         (default_eh_frame_section): Delete.
419
420 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
421
422         * config/bfin/bfin.c: Include "cgraph.h".
423         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
424         Return the reg that holds the pointer to the GOT.
425         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
426         doing stack checking.
427
428 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
429
430         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
431         recompute_tree_invarant_for_addr_expr.
432         Update uses everywhere.
433
434 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
435
436         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
437         (MULTILIB_DIRNAMES): Define.
438
439 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
440
441         PR target/25311
442         * config/s390/s390.c (struct s390_address): New field literal_pool.
443         (s390_decompose_address): Compute literal_pool field.  Do not 
444         assume register %r13 is always (and solely) used as pool base.
445         (s390_extra_constraint_str): Use literal_pool field.
446
447 2005-12-09  Thiemo Seufer  <ths@networkno.de>
448
449         * config/mips/mips.c (override_options): Don't allow too small
450         integers in FP registers.
451
452 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
453
454         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
455         targetm.binds_local_p to check for local function calls.
456
457 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
458
459         PR debug/24908
460         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
461         call_used_regs can't be used to save reg in another reg.
462
463 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
464             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
465
466         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
467         abort.
468         * except.c (output_ttype): Likewise.
469         * tree-object-size.c (collect_object_sizes_for): Likewise.
470         (check_for_plus_in_loops_1): Likewise.
471         (check_for_plus_in_loops): Likewise.
472         (compute_object_sizes): Use gcc_unreachable instead of abort.
473
474 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
475
476         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
477         (loop_end, loop_init, doloop_end): New insns.
478         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
479         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
480         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
481         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
482         * config/ms1/ms1.c: #include basic-block.h
483         (struct machine_function): Add has_loops field.
484         (ms1_add_loop): New.
485         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
486         (struct loop_info, struct loop_work): New.
487         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
488         (ms1_reorg_loops): New loop optimization.
489         (ms1_machine_reorg): Call it.
490         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
491
492 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
493
494         PR tree-optimization/25248
495         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
496         evolution_of_loop from the failed attempt.  Remove handling
497         of MULT_EXPR.
498
499 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
500
501         * tree.h (DECL_EXTERNAL): Clarify documentation.
502
503 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
504             Jakub Jelinek  <jakub@redhat.com>
505
506         PR target/25268
507         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
508         argument.  Don't drop outer ANDs.
509         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
510         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
511         prototype.
512         * config/s390/predicates.md (setmem_operand): Remove.
513         (shift_count_operand): Rename to...
514         (shift_count_or_setmem_operand): ... this.  Adjust
515         s390_decompose_shift_count caller.
516         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
517         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
518         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
519         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
520         rotl<mode>3_and, setmem_long_and): New insns.
521         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
522         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
523         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
524         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
525         of shift_count_operand.
526         (setmem_long): Use shift_count_or_setmem_operand instead of
527         setmem_operand.
528
529 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
530             Andreas Tobler  <a.tobler@schweiz.ch>
531
532         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
533         tr expression.
534
535 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
536
537         * expr.c (force_operand): Use convert_to_mode for conversions.
538
539 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
540
541         * reload.h (reg_equiv_invariant): Declare.
542         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
543         register also when reg_equiv_invariant[R] is set.
544
545 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
546             Andreas Tobler  <a.tobler@schweiz.ch>
547
548         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
549
550 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
551
552         * tree-ssa-pre.c (bitmap_set_and): New function.
553         (bitmap_set_and_compl): New function.
554         (bitmap_set_empty_p): New function.
555         (insert_extra_phis): New function.
556         (compute_avail): Use insert_extra_phis.
557
558 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
559
560         * config/s390/s390.c (s390_expand_atomic): New function.
561         Adjust comment of helper functions.
562         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
563         * config/s390/s390.md ("ATOMIC"): New code macro.
564         ("atomic"): Corresponding new code attribute.
565         ("sync_lock_test_and_set[hq]i", 
566         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
567
568 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
569
570         * config/s390/s390.c (s390_expand_mask_and_shift, 
571         struct alignment_context, init_alignment_context, 
572         s390_expand_cs_hqi): New.
573         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
574         * config/s390/s390.md ("sync_compare_and_swaphi",
575         "sync_compare_and_swapqi"): New pattern.
576
577 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
578
579         Fix PR tree-optimization/25291
580         * tree-ssa-operands.c (add_call_clobber_ops): Remove
581         redundant and crashing check.
582
583 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
584
585         PR target/25212
586         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
587         tests further when !strict && reload_in_progress.
588         (print_operand): Check that both operands of indexed address are regs.
589         (print_operand_address): Likewise.
590         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
591         (INT_REG_OK_FOR_BASE_P): Correct.
592
593 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
594
595         Preparation for PR rtl-optimization/20070 / part1
596         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
597         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
598         outgoing_edges_match.
599         (outgoing_edges_match): Use condjump_equiv_p.
600         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
601         into..
602         * struct-equiv.c: New file.
603         (death_notes_match_p) New function, broken out of insns_match_p.
604         * Makefile.in (OBJS-common): Add struct-equiv.o.
605         (struct-equiv.o): New target.
606
607 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
608
609         * coretypes.h: Revert previous change.
610         * config/darwin.h: Revert previous reversion.
611         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
612
613 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
614
615         * coretypes.h (section): Provide dummy definition for target files.
616         * config/darwin.h: Revert previous change.
617
618 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
619
620         * doc/sourcebuild.texi (all.build, install-normal): Remove.
621         * configure.ac: Remove all.build and install-normal from target_list
622         * configure: Regenerate.
623         * Makefile.in (install): Don't depend on install-normal.
624
625 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
626
627         * Makefile.in: Document the use of stamps.
628
629 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
630
631         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
632         * Makefile.in: Add code to compute some dependencies on s-gtype
633         automatically.  Remove the declaration of those dependencies.
634
635 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
636
637         * gcc/reload.c (push_secondary_reload): Fix typo:
638         s/insn_constraint/scratch_constraint/.
639
640 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
641
642         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
643
644 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
645
646         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
647         (alpha_elf_select_rtx_section): Return the selected section rather
648         than emitting assembly code.
649         (alpha_write_linkage): Emit a ".link" directive directly and then
650         set in_section to NULL.
651         (vms_asm_out_constructor): Use switch_to_section.
652         (vms_asm_out_destructor): Likewise.
653         (unicosmk_output_common): Set in_section to NULL instead of calling
654         the dummy common_section function.
655         (unicosmk_text_section): Delete in favor of...
656         (unicosmk_output_text_section_asm_op): ...this new function.
657         (unicosmk_data_section): Delete in favor of...
658         (unicosmk_output_data_section_asm_op): ...this new function.
659         (unicosmk_init_sections): New function.
660         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
661         (unicosmk_output_ssib): Set in_section to NULL instead of calling
662         the dummy ssib_section function.
663         (unicosmk_section_buf): Delete.
664         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
665         (unicosmk_data_section): Delete.
666         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
667         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
668         (SECTION_FUNCTION_TEMPLATE): Delete.
669         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
670         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
671         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
672         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
673         (TARGET_ASM_INIT_SECTIONS): Define.
674         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
675         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
676         (link_section, literals_section): Delete.
677         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
678         set in_section to NULL.
679
680         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
681         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
682         (COMMON_SECTION): Delete.
683         (TARGET_ASM_INIT_SECTIONS): Define.
684         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
685         the dummy common_section function.
686         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
687         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
688         between readonly_data_section and text_section to check whether
689         read-only data is being put in the text section.
690         (arm_output_function_epilogue): Use switch_to_section.
691         (arm_elf_asm_constructor): Likewise.
692         (thumb_call_via_reg): Replace call to in_text_section with
693         a comparison between in_section and text_section.
694         (arm_file_end): Use switch_to_section.
695         (aof_text_section): Delete in favor of...
696         (aof_output_text_section_asm_op): ...this new function.
697         (aof_data_section): Delete in favor of...
698         (aof_output_data_section_asm_op): ...this new function.
699         (aof_asm_init_sections): New function.
700         (zero_init_section): Moved from config/arm/aof.h.
701         (aof_dump_imports, aof_file_start): Use switch_to_section.
702         * config/arm/arm.h (thumb_call_via_label): Update comment.
703         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
704         (common_section): Delete.
705         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
706         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
707         global switch_to_section function instead of the old port-local one.
708         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
709         (SWITCH_TO_SECTION_FUNCTION): Delete.
710         (drectve_section): Redefine as a macro.
711         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
712         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
713         switch_to_section.
714
715         * config/avr/avr.c (progmem_section): New variable.
716         (avr_output_progmem_section_asm_op): New function.
717         (avr_asm_init_sections): New function.
718         (avr_output_addr_vec_elt): Use switch_to_section.
719         * config/avr/avr.h (progmem_section): Declare.
720         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
721         (READONLY_DATA_SECTION): Delete.
722         (TARGET_ASM_INIT_SECTIONS): Define.
723         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
724         * config/avr/avr-protos.h (progmem_section): Delete.
725
726         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
727
728         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
729         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
730
731         * config/darwin-sections.def: New file.
732         * config/darwin.c: Define all sections in darwin-sections.def.
733         (output_objc_section_asm_op, darwin_init_sections): New functions.
734         (machopic_output_indirection): Use switch_to_section.
735         (machopic_select_section): Return the selected section rather than
736         emitting assembly code.  Replace the static function table with
737         inline conditional expressions.  Update the tests of last_text_section
738         and move them into the FUNCTION_DECL block.
739         (machopic_select_rtx_section): Return the selected section rather than
740         emitting assembly code.
741         (machopic_asm_out_constructor, machopic_asm_out_destructor)
742         (darwin_file_end): Use switch_to_section.
743         * config/darwin.h: Use darwin-sections.def to declare sections.
744         (INIT_SECTION_ASM_OP): Remove empty definition.
745         (HAS_INIT_SECTION): Define this instead.
746         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
747         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
748         (TARGET_ASM_EH_FRAME_SECTION): Delete.
749         (TARGET_ASM_INIT_SECTIONS): Define.
750         * config/darwin-protos.h (darwin_init_sections): Declare.
751         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
752         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
753         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
754         (constructor_section, destructor_section, mod_init_section): Delete.
755         (mod_term_section): Delete.
756         (darwin_exception_section, darwin_eh_frame_section): Delete.
757         (machopic_select_section): Return a section.
758         (machopic_select_rtx_section): Likewise.
759         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
760         (const_section, const_coal_section, const_data_section): Delete.
761         (const_data_coal_section, data_coal_section, cstring_section): Delete.
762         (literal4_section, literal8_section, constructor_section): Delete.
763         (mod_init_section, mod_term_section, destructor_section): Delete.
764         (objc_class_section, objc_meta_class_section, objc_category_section)
765         (objc_class_vars_section, objc_instance_vars_section): Delete.
766         (objc_cls_meth_section, objc_inst_meth_section): Delete.
767         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
768         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
769         (objc_symbols_section, objc_module_info_section): Delete.
770         (objc_image_info_section, objc_protocol_section): Delete.
771         (objc_string_object_section, objc_constant_string_object_section)
772         (objc_class_names_section, objc_meth_var_names_section): Delete.
773         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
774         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
775         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
776         (darwin_exception_section, darwin_eh_frame_section): Delete.
777         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
778
779         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
780         (frv_asm_out_destructor): Likewise.
781         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
782         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
783         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
784         get_named_section.
785         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
786         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
787         (data_section): Delete.
788
789         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
790         (DRECTVE_SECTION_FUNCTION): Delete.
791         (drectve_section): Redefine as a macro that sets in_section after
792         emitting the directive.
793         (SWITCH_TO_SECTION_FUNCTION): Delete.
794         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
795         in_text_section with comparison between in_section and text_section.
796         * config/i386/i386.c (x86_64_elf_select_section): Return the section
797         rather than emitting assembly code.  Use get_named_section.
798         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
799         get_named_section.
800         (machopic_output_stub): Use switch_to_section.
801         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
802         (nwld_named_section_asm_out_destructor): Use get_section and
803         switch_to_section.
804
805         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
806         rather than emitting assembly code.
807         (ia64_rwreloc_select_section): Likewise.
808         (ia64_rwreloc_select_rtx_section): Likewise.
809         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
810         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
811         switch_to_section.
812         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
813         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
814
815         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
816         section rather than emitting assembly code.
817         (iq2000_select_section): Likewise.
818         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
819         (sbss_section): Delete.
820
821         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
822         and get_named_section.
823         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
824
825         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
826         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
827         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
828         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
829         in_section to NULL.
830         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
831         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
832         global switch_to_section function instead of the old port-local one.
833         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
834         (SWITCH_SECTION_FUNCTION): Delete.
835         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
836         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
837         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
838         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
839         in_section to NULL.
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         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
843
844         * config/mips/mips.c (mips_file_start): Update comment.
845         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
846         (mips_output_aligned_decl_common): Use switch_to_section.
847         (mips_select_rtx_section): Return the section rather than emitting
848         assembly code.  Use get_named_section.
849         (mips_function_rodata_section: Likewise get_section.
850         (build_mips16_function_stub): Use switch_to_section.
851         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
852         (SDATA_SECTION_ASM_OP): Delete.
853         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
854         (EXTRA_SECTION_FUNCTIONS): Delete.
855
856         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
857         (mmix_asm_output_aligned_local): Use switch_to_section.
858
859         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
860         (som_one_only_readonly_data_section): New variables.
861         (pa_output_function_epilogue): Set in_section to NULL instead of
862         calling forget_section.
863         (output_deferred_plabels): Use select_section.
864         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
865         of calling forget_section.
866         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
867         (pa_asm_output_aligned_local): Use select_section.
868         (som_text_section_asm_op): Delete in favor of...
869         (som_output_text_section_asm_op): ...this new function.
870         (pa_som_asm_init_sections): New function.
871         (pa_select_section): Return the section rather than emitting
872         assembly code.
873         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
874         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
875         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
876         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
877         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
878         (som_readonly_data_section, som_one_only_readonly_data_section)
879         (som_one_only_data_section, forget_section): Delete.
880         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
881         (TARGET_ASM_INIT_SECTIONS): Define.
882         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
883
884         * config/rs6000/rs6000.c (read_only_data_section): New variable.
885         (private_data_section, read_only_private_data_section): New variables.
886         (sdata2_section, toc_section): New variables.
887         (rs6000_file_start): Use switch_to_section.
888         (rs6000_assemble_integer): Use comparisons against in_section
889         instead of calling in_toc_section and in_text_section.  Use
890         unlikely_text_section_p.
891         (rs6000_elf_output_toc_section_asm_op): New function, derived
892         from the old rs6000/sysv4.h toc_section function.
893         (rs6000_elf_asm_init_sections): New function.
894         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
895         the section rather than emitting assembly code.
896         (machopic_output_stub): Use switch_to_section.
897         (toc_section): Delete dummy function.
898         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
899         switch_to_section and get_section.
900         (rs6000_xcoff_output_readonly_section_asm_op): New function.
901         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
902         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
903         the old rs6000/xcoff.h toc_section function.
904         (rs6000_xcoff_asm_init_sections): New function.
905         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
906         the section rather than emitting assembly code.
907         (rs6000_xcoff_file_start): Use switch_to_section.
908         (rs6000_xcoff_file_end): Likewise.
909         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
910         (sdata2_section, sbss_section, private_data_section): Delete.
911         (read_only_data_section, read_only_private_data_section): Delete.
912         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
913         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
914         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
915         (FINI_SECTION_FUNCTION): Delete.
916         (TARGET_ASM_INIT_SECTIONS): Define.
917         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
918         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
919         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
920         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
921         (READONLY_DATA_SECTION): Delete.
922         (TARGET_ASM_INIT_SECTIONS): Define.
923         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
924         to NULL rather than no_section.
925         (TARGET_ASM_EXCEPTION_SECTION): Delete.
926
927         * config/sh/sh.c (sh_file_start): Use switch_to_section.
928
929         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
930         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
931         from call to current_function_section.
932
933         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
934         (bss100_section): New variable.
935         (xstormy16_asm_output_aligned_common): Use switch_to_section.
936         (xstormy16_asm_init_sections): New function.
937         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
938         switch_to_section and get_section.
939         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
940         from calls to current_function_section.
941         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
942         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
943         (TARGET_ASM_INIT_SECTIONS): Define.
944         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
945
946         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
947         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
948         (FINI_SECTION_FUNCTION): Delete.
949
950         * config/v850/v850.c: Include gt-v850.h.
951         (rosdata_section, rozdata_section, tdata_section, zdata_section)
952         (zbss_section): New variables.
953         (v850_output_aligned_bss): Use switch_to_section.
954         (v850_asm_init_sections): New function.
955         (v850_select_section): Return the section rather than emitting
956         assembly code.
957         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
958         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
959         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
960         (TARGET_ASM_INIT_SECTIONS): Define.
961         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
962         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
963         (zbss_section): Delete.
964
965         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
966
967         * config/vx-common.h (vxworks_exception_section): Delete.
968         (TARGET_ASM_EXCEPTION_SECTION): Delete.
969
970         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
971         section rather than emitting assembly code.
972         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
973         switch_to_section.
974
975         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
976         * coretypes.h (section): New union and typedef.
977         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
978         from call to current_function_section.
979         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
980         (dbxout_symbol_location): Use switch_to_section.
981         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
982         most of the code into...
983         (default_eh_frame_section): ...here.  Return a section.
984         (collect2_eh_frame_section): Delete, moving most of the code into..
985         (switch_to_eh_frame_section): ...this new function.
986         (debug_info_section, debug_abbrev_section, debug_aranges_section)
987         (debug_macinfo_section, debug_line_section, debug_loc_section)
988         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
989         variables.
990         (output_call_frame_info): Call switch_to_eh_frame_section instead of
991         eh_frame_section.  Use switch_to_section and get_section.
992         (dwarf2out_begin_prologue): Use switch_to_section.
993         (AT_string_form): Check the flags in debug_str_section instead of
994         DEBUG_STR_SECTION_FLAGS.
995         (output_comp_unit): Use switch_to_section, get_section, and
996         debug_info_section.
997         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
998         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
999         from call to current_function_section.
1000         (dwarf2out_var_location): Use unlikely_text_section_p.
1001         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1002         from call to current_function_section.
1003         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1004         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1005         debug_macinfo_section.
1006         (dwarf2out_init): Initialize the new section variables.  Use them
1007         instead of calls to named_section_flags.  Use switch_to_section.
1008         (output_indirect_string): Use switch_to_section and debug_str_section.
1009         (dwarf2out_finish): Use switch_to_section and the new section
1010         variables.
1011         * except.c (default_exception_section): Return the section instead
1012         of emitting assembly code.
1013         (output_function_exception_table): Use the global exception_section
1014         variable instead of the target hook.  Use switch_to_section.  Remove
1015         argument from call to current_function_section.
1016         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1017         (shorten_branches): Use pointer comparisons to detect whether the
1018         text section is the same as readonly_data_section.
1019         (profile_function): Use switch_to_section.  Remove argument from
1020         call to current_function_section.
1021         (final_scan_insn): Likewise.  Update use of last_text_section.
1022         * gengtype.c (open_base_files): Add an include of output.h.
1023         * output.h (text_section, data_section, readonly_data_section)
1024         (ctors_section, dtors_section, bss_section, init_section)
1025         (fini_section, sdata_section): Turn into section pointers.
1026         (in_text_section, in_unlikely_text_section, exports_section)
1027         (drectve_section, named_section, mergeable_string_section)
1028         (last_text_section_name): Delete.
1029         (default_exception_section, default_eh_frame_section): Return sections.
1030         (SECTION_DECLARED, SECTION_NAMED): New macros.
1031         (SECTION_MACH_DEP): Bump value.
1032         (section_common, named_section, unnamed_section): New structures.
1033         (unnamed_section_callback): New typedef.
1034         (section): New union.
1035         (sbss_section, exception_section, eh_frame_section): New variables.
1036         (in_section, last_text_section): Turn into section pointers.
1037         (get_unnamed_section, get_section, get_named_section): New functions.
1038         (mergeable_constant_section, function_section): Return a section.
1039         (unlikely_text_section): Likewise.
1040         (current_function_section): Likewise.  Remove the decl argument.
1041         (unlikely_text_section_p, switch_to_section): New functions.
1042         (output_section_asm_op): New function.
1043         (set_named_section_flags, named_section_flags, named_section_real)
1044         (named_section_first_declaration): Delete.
1045         (default_select_section, default_elf_select_section): Return a section.
1046         (default_elf_select_section_1, default_function_rodata_section)
1047         (default_no_function_rodata_section, default_select_rtx_section)
1048         (default_elf_select_rtx_section): Likewise.
1049         * rtl.h (in_data_section): Delete.
1050         * sdbout.c (sdbout_one_type): Use switch_to_section.
1051         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1052         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1053         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1054         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1055         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1056         (TARGET_ASM_OUT): Update after above changes.
1057         * target.h (init_sections): New hook.
1058         (exception_section, eh_frame_section): Delete.
1059         (select_section, select_rtx_section, function_rodata_section): Return
1060         a section rather than emitting assembly code.
1061         * varasm.c (text_section, data_section, readonly_data_section)
1062         (ctors_section, dtors_section, bss_section, init_section)
1063         (fini_section): Turn into section pointers.
1064         (sdata_section, sbss_section, exception_section): New variables.
1065         (eh_frame_section): New variable.
1066         (in_section): Make global and turn into a section pointer.
1067         (last_text_section): Turn into a section pointer.
1068         (unnamed_sections): New variable.
1069         (in_named_name, last_text_section_name): Delete.
1070         (EXTRA_SECTION_FUNCTIONS): Delete.
1071         (in_named_entry): Delete.
1072         (section_htab): New variable, replacing...
1073         (in_named_htab): ...this deleted variable.
1074         (section_entry_eq, section_entry_hash): New functions, based on...
1075         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1076         (get_unnamed_section, get_section): New functions.
1077         (unlikely_text_section): Return a section instead of emitting
1078         assembly code.
1079         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1080         (get_named_section_flags, named_section_first_declaration): Delete.
1081         (unlikely_text_section_p): New function.
1082         (named_section_real, named_section): Delete.
1083         (get_named_section): New function.
1084         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1085         (function_section): Return a section rather than emitting
1086         assembly code.
1087         (current_function_section): Likewise.  Remove argument.  Use
1088         last_text_section if nonnull, otherwise use function_section.
1089         (default_function_rodata_section): Return a section rather than
1090         emitting assembly code.  Use get_section.
1091         (default_no_function_rodata_section): Return a section rather than
1092         emitting assembly code.
1093         (variable_section): Use switch_to_section and get_named_section.
1094         (mergeable_string_section): Return a section rather than emitting
1095         assembly code.  Use get_section.  Make static.  Don't take special
1096         countermeasures for empty strings.
1097         (mergeable_constant_section): Return a section rather than emitting
1098         assembly code.  Use get_section.
1099         (default_named_section_asm_out_destructor): Use switch_to_section
1100         and get_section.
1101         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1102         (default_named_section_asm_out_constructor): Use switch_to_section
1103         and get_section.
1104         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1105         (assemble_start_function): Likewise.  Set last_text_section to
1106         NULL rather than no_section.  Change the type of save_section.
1107         (assemble_zeros, assemble_variable): Use the section flags to detect
1108         whether or not a section is text.
1109         (assemble_static_space): Use switch_to_section.
1110         (assemble_trampoline_template): Likewise.
1111         (output_constant_def_contents): Use switch_to_section and
1112         get_named_section.
1113         (output_constant_pool_1): Use switch_to_section.  Use the section
1114         flags to see whether sections contain mergeable data.
1115         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1116         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1117         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1118         whether a section has already been declared.
1119         (default_select_section, default_elf_select_section): Return a
1120         section rather than emitting assembly code.
1121         (default_elf_select_section_1): Likewise.  Use bss_section for
1122         SECCAT_BSS if nonnull.  Use get_named_section.
1123         (default_select_rtx_section): Return a section rather than
1124         emitting assembly code.
1125         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1126         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1127         (output_section_asm_op, switch_to_section): New functions.
1128         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1129         get_named_section.
1130
1131         * doc/tm.texi: Expand the introduction to the sections documentation.
1132         (TRAMPOLINE_SECTION): Document new interface.
1133         (SDATA_SECTION_ASM_OP): Document new macro.
1134         (READONLY_DATA_SECTION): Delete.
1135         (SDATA_SECTION_ASM_OP): Document new macro.
1136         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1137         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1138         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1139         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1140         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1141
1142 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1143
1144         * gcc.c (init_gcc_specs): Match braces inside conditionally
1145         compiled strings.
1146
1147 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1148
1149         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1150
1151 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1152
1153         PR C++/24138
1154         * tree.c (integer_all_onesp): Always return true if all bits on.
1155
1156         * testsuite/g++.dg/init/array0.C: New.
1157
1158 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1159
1160         * doc/md.texi: Adapt to implementation.
1161
1162 2005-12-06  Andreas Schwab  <schwab@suse.de>
1163
1164         * opts.c (decode_options): Fix typo in message.
1165
1166 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1167
1168         PR other/13873
1169         * longlong.h: Merge PPC tests from upstream.
1170
1171 2005-12-06  Richard Guenther  <rguenther@suse.de>
1172
1173         * fold-const.c (fold_convert): Do not build and fold
1174         CONVERT_EXPR, but always use NOP_EXPR.
1175
1176 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1177
1178         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1179         __builtin_ia32_paddq and __builtin_ia32_subq.
1180         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1181         __builtin_ia32_pshufw.
1182         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1183
1184 2005-12-05  James E Wilson  <wilson@specifix.com>
1185
1186         PR target/24934
1187         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1188         is set.
1189
1190 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1191         
1192         * print-tree.c (print_node): Ditto.
1193         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1194         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1195         before accessing DECL_ARTIFICIAL. 
1196         Handle new tag tree codes.
1197         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1198         changes.
1199         (unmodifiable_var_p): Ditto.
1200         * tree-flow.h (mem_tag_kind): Remove.
1201         (struct var_ann_d): Remove mem_tag_kind member.
1202         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1203         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1204         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1205         (group_aliases): Ditto.
1206         (setup_pointers_and_addressables): Ditto.
1207         (is_escape_site): Ditto.                                          
1208         (may_alias_p): Ditto.
1209         (create_tag_raw): New function.
1210         (create_memory_tag): Use it.
1211         (dump_alias_info): Update for tags.
1212         (may_be_aliased): Ditto.
1213         (add_type_alias): Ditto.
1214         (new_type_alias): Ditto.
1215         (create_sft): Ditto.
1216         (create_structure_vars): Ditto.
1217         * tree-ssa-ccp.c (get_default_value): Ditto.
1218         * tree-ssa-operands.c (get_expr_operands): Ditto.
1219         (add_stmt_operand): Ditto.
1220         (add_call_clobber_ops): Remove duplicated condition.
1221         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1222         tags.
1223         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1224         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1225         * tree.c (init_ttree): Update structures for new tree codes.
1226         (tree_code_size): Update sizes for new tree codes.
1227         (make_node_stat): Don't try to set common things on minimal
1228         structures.
1229         (tree_node_structure): Update for tags.
1230         (is_global_var): Ditto.
1231         * tree.def: Add new tree codes.
1232         * tree.h (MTAG_P): New macro.
1233         (TREE_MEMORY_TAG_CHECK): Ditto.
1234         (SSA_VAR_P): Update for tags.
1235         (struct tree_memory_tag): New structure.
1236         (MTAG_GLOBAL): New macro.
1237         (union tree_node): Add memory tag member.
1238         * treestruct.def (TS_MEMORY_TAG): New.
1239         
1240 2005-12-05  Dale Johannesen  <dalej@apple.com>
1241
1242         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1243         what was approved (PR 24323).
1244
1245 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1246
1247         * doc/c-tree.texi (Function Bodies): Remove description of
1248         RETURN_INIT.
1249
1250 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1251
1252         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1253         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1254         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1255         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1256         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1257         __divxc3): Document.
1258
1259 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1260
1261         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1262         previous behaviour.
1263         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1264         hook_bool_void_false.
1265         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1266         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1267
1268         * config/darwin.c (machopic_select_section): It's not defined
1269         as weak if it's only marked as weak_import.
1270         
1271         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1272         Prototype.
1273
1274         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1275         A hidden weak object does bind locally.  Strong linkonce data
1276         counts like any other strong symbol for binding.
1277         (weak_finish_1): Don't specially handle weakrefs, they no longer
1278         arrive here.
1279         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1280         * c-common.c (handle_alias_attribute): Allow static aliases
1281         of variables.
1282         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1283         * gthr-dce.h: Make weakrefs static.
1284         * gthr-tpf.h: Likewise.
1285         * gthr-solaris.h: Likewise.
1286         * gthr-posix.h: Likewise.
1287         * gthr-posix95.h: Likewise.
1288         * config/darwin.c (darwin_encode_section_info): static weakref
1289         variables are not necessarily defined in this translation unit.
1290         * doc/extend.texi (Function Attributes): Mention that an alias
1291         attribute creates a definition for the thing it's attached to.
1292         Change the documentation for weakref to say that the thing
1293         it's attached to must be static.
1294
1295         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1296         we don't go into an infinite loop.
1297
1298 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1299
1300         * config/rs6000/predicates.md (logical_const_operand): Split
1301         out of logical_operand.
1302         (logical_operand): Use it.
1303         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1304         logical_const_operand.
1305
1306 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1307
1308         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1309         and IX86_BUILTIN_CMPNESS.
1310         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1311         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1312         * config/i386/i386.md (movti_internal): Correct type attribute.
1313         Simplify mode attribute.
1314         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1315         Correct type attribute.
1316         (absxf2): Correct operator.
1317         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1318         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1319         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1320         mode attribute.
1321         (sse2_vmsqrtv2df2): Correct mode attribute.
1322
1323 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1324
1325         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1326         16 bits. Provide insn pattern for this case.
1327
1328 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1329
1330         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1331         result.
1332         (__popcountDI2): Likewise.
1333
1334 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1335
1336         PR target/25166
1337         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1338         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1339         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1340         functions.
1341
1342 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1343
1344         * c-typeck.c (null_pointer_constant_p): New function.
1345         (build_conditional_expr, build_c_cast, convert_for_assignment,
1346         build_binary_op): Use it.
1347
1348 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1349
1350         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1351         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1352         CONVERT_EXPR.
1353         (check_function_arguments_recurse): Allow both NOP_EXPR and
1354         CONVERT_EXPR but check conversions preserve precision.
1355         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1356         but check conversions preserve precision.
1357         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1358         default case.
1359
1360 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1361
1362         PR c/7776
1363         * common.opt (Wstring-literal-comparison): New command line option.
1364         * c-opts.c (c_common_handle_option): Set it with -Wall.
1365         * c-typeck.c (parser_build_binary_op): Issue warning if either
1366         operand of a comparison operator is a string literal, except for
1367         testing equality or inequality against NULL.
1368
1369         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1370
1371 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1372
1373         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1374         of building a NOP_EXPR.
1375         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1376         NOP_EXPR.
1377         * c-convert.c (convert): Use fold_convert instead of building
1378         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1379         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1380         #if 0 code.
1381         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1382         NOP_EXPR the same as CONVERT_EXPR.
1383         * c-typeck.c (build_function_call): Use fold_convert instead of
1384         building a NOP_EXPR directly.
1385         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1386
1387 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1388
1389         PR rtl-optimization/25197
1390         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1391         have a reg.
1392
1393 2005-12-02  Stuart Hastings  <stuart@apple.com>
1394
1395         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1396         warning.
1397
1398 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1399
1400         * c-typeck.c (default_function_array_conversion,
1401         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1402         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1403         orig_op2.  Don't check them for NOP_EXPR.
1404         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1405         around integer zero.
1406
1407 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1408
1409         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1410         toc_save_offset, toc_size, lr_size.
1411         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1412         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1413         Adjust for removal of unused rs6000_stack_t fields.
1414         (debug_stack_info): Adjust.
1415         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1416         first, and don't bother checking for set/inc of lr on sibcalls.
1417         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1418
1419 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1420
1421         PR target/25199
1422         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1423         5 if operand 1 is not aligned.  Undo previous constraint change.
1424         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1425
1426 2005-12-02  Richard Guenther  <rguenther@suse.de>
1427
1428         * tree.h (build): Remove prototype.
1429         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1430         * tree.c (build): Remove.
1431         (build0_stat): Update comment.
1432
1433 2005-12-02  Richard Guenther  <rguenther@suse.de>
1434
1435         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1436         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1437         Likewise.
1438         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1439         maybe_fold_offset_to_component_ref): Likewise.
1440         * tree-ssa-dom.c (thread_across_edge,
1441         simplify_rhs_and_lookup_avail_expr,
1442         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1443         Likewise.
1444         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1445         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1446         lower_try_finally_switch): Likewise.
1447         * tree-if-conv.c (add_to_dst_predicate_list,
1448         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1449         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1450         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1451         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1452         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1453         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1454         gimplify_init_ctor_eval, gimplify_init_constructor,
1455         gimplify_variable_sized_compare, gimplify_boolean_expr,
1456         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1457         gimplify_expr, gimplify_body, gimplify_function_tree,
1458         force_gimple_operand): Likewise.
1459         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1460         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1461         mx_register_decls): Likewise.
1462         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1463         get_frame_field, finalize_nesting_tree_1): Likewise.
1464         * tree-inline.c (setup_one_parameter): Likewise.
1465         * tree-vect-transform.c (vectorizable_condition): Likewise.
1466         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1467         Likewise.
1468         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1469         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1470         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1471         * tree-chrec.h (build_polynomial_chrec): Likewise.
1472
1473 2005-12-02  Richard Guenther  <rguenther@suse.de>
1474
1475         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1476         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1477         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1478         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1479         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1480         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1481         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1482         Likewise.
1483         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1484         sh_adjust_unroll_max): Likewise.
1485         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1486         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1487         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1488         Likewise.
1489         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1490         Likewise.
1491         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1492         Likewise.
1493
1494 2005-12-02  Richard Guenther  <rguenther@suse.de>
1495
1496         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1497         simplify_cond_using_ranges): Use buildN instead of build.
1498         * tree-tailcall.c (adjust_accumulator_values,
1499         adjust_return_value): Likewise.
1500         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1501         generate_element_copy, generate_element_zero,
1502         generate_one_element_init): Likewise.
1503         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1504         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1505         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1506         perfect_nestify): Likewise.
1507
1508 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1509
1510         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1511
1512 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1513
1514         * ggc.h (GGC_RESIZEVEC): New.
1515
1516 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1517
1518         * gcc.c (execute): Improve readability.
1519
1520 2005-12-02  Richard Guenther  <rguenther@suse.de>
1521
1522         * tree-cfg.c (mark_used_vars): New function.
1523         (dump_function_to_file): Dump only used VAR_DECLs.
1524
1525 2005-12-02  Richard Guenther  <rguenther@suse.de>
1526
1527         * convert.c (convert_to_integer): Fix compare for nonpositive
1528         constant to use tree_int_cst_sgn <= 0.
1529
1530 2005-12-02  Richard Guenther  <rguenther@suse.de>
1531
1532         * convert.c (convert_to_integer): Use fold_convert instead
1533         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1534         instead of comparing against 0.  Use build_int_cst instead
1535         of converting integer_zero_node.
1536
1537 2005-12-02  Richard Guenther  <rguenther@suse.de>
1538
1539         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1540         and RROTATE_EXPR.
1541  
1542 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1543
1544         PR target/21017
1545         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1546         rotates.
1547
1548 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1549
1550         PR middle-end/25176
1551         * function.c (expand_function_end): Emit blockage for unwinder
1552         after return label.
1553
1554 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1555
1556         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1557         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1558         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1559         integer constant comparisons.
1560
1561 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1562             Janis Johnson  <janis187@us.ibm.com>
1563             David Edelsohn  <dje@watson.ibm.com>
1564             Ben Elliston  <bje@au.ibm.com>
1565
1566         * dfp.h, dfp.c: New files.
1567         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1568         (DECNUM_H): Likewise.
1569         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1570         (INCLUDES): Append $(DECNUMINC).
1571         (OBJS-common): Add dfp.o.
1572         (dfp.o): New rule.
1573         * real.h (EXP_BITS): Pinch one bit to ..
1574         (struct real_value): Add decimal field.
1575         (real_format): Change table size, update documentation.
1576         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1577         (real_from_string3): Declare.
1578         (decimal_single_format): Declare.
1579         (decimal_double_format): Declare.
1580         (decimal_quad_format): Declare.
1581         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1582         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1583         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1584         * real.c: Include dfp.h.
1585         (normalize): Early return for decimal floats.
1586         (do_add): Zero decimal field.
1587         (do_compare): Call do_decimal_compare for decimal floats.
1588         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1589         (real_arithmetic): Call decimal_real_arithmetic for decimal
1590         floating point operands.
1591         (real_identical): If a and b are of differing radix, return false.
1592         (real_to_integer): Call decimal_real_to_integer if the value is a
1593         decimal float.
1594         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1595         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1596         (real_to_hexadecimal): Place "N/A" in the return string for
1597         decimal float.
1598         (real_from_string3): New variant, given a mode.
1599         (real_maxval): Use decimal_real_maxval for decimal floats.
1600         (round_for_format): Use decimal_round_for_format for decimals.
1601         (real_convert): Use decimal_real_convert where appropriate.
1602         (significand_size): Handle base 10.
1603         (encode_decimal_single, decode_decimal_single,
1604         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1605         decode_decimal_quad): New functions.
1606         (decimal_single_format): New.
1607         (decimal_double_format): New.
1608         (decimal_quad_format): New.
1609         * machmode.def: Add SD, DD and TD decimal floating point modes.
1610         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1611         Include MODE_DECIMAL_FLOAT.
1612         (DECIMAL_FLOAT_MODE_P): New.
1613         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1614         * genmodes.c (struct mode_data): Add counter field.
1615         (struct mode_data): Update comment for format.
1616         (blank_mode): Initialise counter field.
1617         (new_mode): Increment counter field for each mode defined.
1618         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1619         using a format.
1620         (make_complex_modes): Handle modes containing `D'.
1621         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1622         (make_decimal_float_mode): New.
1623         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1624         (cmp_modes): Compare counter field if other characteristics
1625         similar.
1626         (emit_real_format_for_mode): Support formats for decimal floats.
1627         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1628         Document MODE_DECIMAL_FLOAT.
1629
1630 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1631
1632         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1633         Delete dead code.
1634
1635 2005-12-01  Richard Henderson  <rth@redhat.com>
1636
1637         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1638
1639 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1640
1641         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1642
1643         * config/pa/pa.c (pa_init_builtins): If we detect
1644         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1645         putc_unlocked.
1646
1647 2005-12-01  Richard Guenther  <rguenther@suse.de>
1648
1649         * fold-const.c (fold_binary): Use fold_build2, not
1650         fold (build (...)).
1651
1652 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1653
1654         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1655
1656         * vec.h (VEC_block_remove): New.
1657
1658 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1659
1660         PR c/13384
1661         * c-common.c (lvalue_error): Fix wording.
1662
1663 2005-12-01  Richard Guenther  <rguenther@suse.de>
1664
1665         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1666         thinko in last patch.
1667
1668 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1669
1670         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1671         than -flat_namespace.
1672
1673 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1674
1675         * mklibgcc.in: Parameterise the script to build soft float
1676         functions by iterating over each type, rather than cloning the
1677         code for each type.
1678
1679 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1680
1681         PR middle-end/25158
1682         * builtins.c (fold_builtin_fputs): Defer check for missing
1683         replacement functions.
1684
1685 2005-11-30  Kean Johnston  <jkj@sco.com>
1686
1687         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1688         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1689
1690 2005-11-30  Richard Guenther  <rguenther@suse.de>
1691
1692         PR tree-optimization/22501
1693         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1694         function split out from ...
1695         (forward_propagate_addr_expr): ... here.  Use it to propagate
1696         ADDR_EXPRs to all uses.
1697
1698 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1699
1700         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1701         * builtins.c (expand_builtin_mathfn): Use them.
1702         (expand_builtin_mathfn_2): Likewise.
1703         (expand_builtin_mathfn_3): Likewise.
1704         (expand_builtin_int_roundingfn): Likewise.
1705         (expand_builtin): Likewise.
1706         (integer_valued_real_p): Likewise.
1707         (fold_builtin_int_roundingfn): Likewise.
1708         (fold_builtin_bitop): Likewise.
1709         (fold_builtin_logarithm): Likewise.
1710         (fold_builtin_1): Likewise.
1711         * convert.c (convert_to_integer): Likewise.
1712         * fold-const.c (negate_mathfn_p): Likewise.
1713         (tree_expr_nonnegative_p): Likewise.
1714
1715 2005-11-30  Dale Johannesen  <dalej@apple.com>
1716             Andrew Pinski  <pinskia@physics.uc.edu>
1717
1718         * combine.c (find_split_point):  Sign extend bitmask
1719         when changing bitfield assignment to IOR of AND.
1720
1721 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1722
1723         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1724         clobber to scratch reg.
1725         (*decrement_and_branch_until_zero_no_clobber): Remove.
1726         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1727         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1728         * config/ms1/ms1.opt (mmul): Remove.
1729         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1730         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1731
1732 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1733             Bernd Schmidt  <bernd.schmidt@analog.com>
1734
1735         * pa/predicates.md (symbolic_operand): Add comment.
1736         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1737         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1738         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1739         (pa_secondary_reload_class): Delete.
1740         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1741         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1742         copy of symbolic operand.
1743         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1744
1745 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1746
1747         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1748         jump.
1749
1750 2005-11-30  Jeff Law  <law@redhat.com>
1751
1752         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1753         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1754
1755 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1756
1757         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1758         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1759         (ia64_expand_move): Adjust caller.
1760
1761         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1762         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1763         negate VAL.
1764
1765 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1766
1767         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1768         Always produce an output if we can remove NEGs or canonicalize
1769         (minus (minus ...)) expressions.  Provide a fast path for the
1770         two-operand case.
1771         (simplify_gen_binary): Do not call simplify_plus_minus.
1772         (simplify_binary_operation_1): Reassociate at the end of the
1773         function.
1774
1775 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1776
1777         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1778         moves and unpack to speed up.
1779
1780 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1781
1782         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1783         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1784         (gen_v9_scc): Update callers.
1785         * config/sparc/sparc.md: Likewise.
1786         * config/sparc/sparc-protos.h: Update extern declaration.
1787
1788         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1789
1790 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1791
1792         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1793         the if.
1794
1795 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1796
1797         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1798         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1799         (negate_expr): Here.
1800
1801 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1802
1803         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1804         Fix typo in comment.
1805
1806 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1807
1808         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1809         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1810
1811 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1812
1813         PR middle-end/20109
1814         PR middle-end/25120
1815         * builtins.c (init_target_chars): New.
1816         (expand_builtin_printf, expand_builtin_fprintf,
1817         expand_builtin_sprintf, fold_builtin_sprintf,
1818         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1819         fold_builtin_snprintf_chk, fold_builtin_printf,
1820         fold_builtin_fprintf): Check for matching format strings using
1821         the target charset.
1822
1823 2005-11-29  Paul Brook  <paul@codesourcery.com>
1824
1825         * config.gcc: Do not use fixproto on m68k-elf.
1826
1827 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1828
1829         * expmed.c (div_cost): Replace with...
1830         (sdiv_cost, udiv_cost): New.
1831         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1832         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1833         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1834         (expand_divmod): Replace use of div_cost with either sdiv_cost
1835         or udiv_cost depending upon the signedness of the operation.
1836
1837 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1838
1839         PR libfortran/24991
1840         * config/darwin.c (machopic_indirection_name,
1841         machopic_output_indirection): Follow transparent alias chain.
1842
1843 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1844
1845         * varasm.c (ultimate_transparent_alias_target): Add comment.
1846
1847 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1848
1849         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1850         SET_SRC instead of XEXP where appropriate.
1851
1852 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1853
1854         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1855         __builtin_expect.
1856
1857 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1858
1859         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1860         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1861         bit at a time.
1862
1863 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1864
1865         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1866         secondary_input_reload_class, made static.  Adapt to new
1867         infrastructure.
1868         (secondary_output_reload_class): Delete.
1869         (TARGET_SECONDARY_RELOAD): New macro.
1870         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1871         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1872
1873 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1874
1875         PR c++/21166
1876         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1877         when its natural alignment is > BITS_PER_UNIT.
1878         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1879         * c-common.c (handle_packed_attribute): Ignore packing on a field
1880         whose type is naturally char aligned.
1881
1882 2005-11-28  Richard Guenther  <rguenther@suse.de>
1883
1884         * c-common.c (strict_aliasing_warning): Handle all
1885         component-ref like accesses.
1886
1887 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1888             Uros Bizjak  <uros@kss-loka.si>
1889
1890         PR middle-end/20219
1891         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1892         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1893         when flag_unsafe_math_optimizations is set and
1894         we don't care about NaNs or Infinities.
1895
1896         Move x/expN(y) and x/pow(y,z) transformation into common
1897         flag_unsafe_math_optimizations section.
1898
1899 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1900
1901         * gcc.c (main): Change type of argv to "char **".
1902
1903 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1904
1905         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1906         small data sections.
1907         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1908         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1909         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1910         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1911         output locals to sbss if !rs6000_elf_in_small_data_p.
1912         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1913
1914 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1915
1916         PR target/24997
1917         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1918         generated by reload.
1919         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1920         indexed_or_indirect_address.
1921         (indexed_or_indirect_address): Don't test for base reg.  Call
1922         address_operand last.  Make it a special predicate.
1923
1924 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1925
1926         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1927
1928 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1929
1930         PR middle-end/24575
1931         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1932         is undefined.
1933         (negate_expr): Likewise.
1934
1935 2005-11-27  Andreas Schwab  <schwab@suse.de>
1936
1937         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1938         redundant parens.
1939
1940 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1941
1942         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1943         has EH predecessor edges.
1944
1945 2005-11-26  Eric Christopher  <echristo@apple.com>
1946
1947         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1948         register stalls by zero extending to the full register.
1949
1950 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1951
1952         * config/floatunsisf.c, config/floatunsidf.c,
1953         config/floatunsixf.c, config/floatunsitf.c: New files.
1954         * config/ia64/t-hpux: Add floatunsitf.c.
1955         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1956         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1957
1958 2005-11-26  Richard Henderson  <rth@redhat.com>
1959
1960         * c-lex.c (pragma_lex): Rename from c_lex.
1961         * c-pch.c: Update for pragma_lex rename.
1962         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1963         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1964         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1965         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1966         * doc/tm.texi: Likewise.
1967
1968 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1969
1970         PR middle-end/23669
1971         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1972         when overflow is undefined.
1973
1974 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1975
1976         * doc/md.texi (Insn Canonicalizations): Refer to the
1977         function commutative_operand_precedence for further rules.
1978
1979 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1980
1981         PR middle-end/21309
1982         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1983         is less than zero.  Limit mult_cost to a reasonable upper bound for
1984         the synthetic multiplication sequence.
1985
1986 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1987
1988         PR middle-end/25022
1989         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1990         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1991         Lookup the explicit replacement functions for any unlocked
1992         stdio builtin transformations.
1993
1994 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1995
1996         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1997         earlyclobber.
1998         * targhooks.c (default_secondary_reload): Don't require operand 2
1999         for an input reload to be earlyclobber.
2000
2001 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2002
2003         * fold-const.c (negate_mathfn_p): Fix comment and add support
2004         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2005         BUILT_IN_ATANH.
2006
2007 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2008
2009         PR middle-end/24998
2010         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2011         _Q_ulltoq for unsigned conversions from SImode and DImode to
2012         TFmode.
2013
2014 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2015
2016         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2017         (__floatundidf, __floatundisf): Likewise.
2018
2019 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2020
2021         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2022         (rs6000_override_options): Remove initialization of
2023         rs6000_sr_alias_set.
2024         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2025         (rs6000_emit_stack_tie): Same.
2026         (emit_frame_save): Same.
2027         (gen_frame_mem_offset): Same.
2028         (rs6000_emit_prologue): Same.
2029         (rs6000_emit_epilogue): Same.
2030
2031 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2032
2033         PR middle-end/24989
2034         * fold-const.c (fold_build): Convert bool_var != 1 and
2035         bool_var == 0 to !bool_var.
2036
2037 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2038
2039         PR middle-end/24990
2040         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2041         for C being INTEGER_CST.  Likewise for !=.
2042
2043 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2044
2045         PR middle-end/24998
2046         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2047         unsigned conversions from SImode to TFmode.
2048
2049 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2050
2051         * expr.c (expand_expr_real_1): Fix error in last change.
2052
2053 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2054
2055         * caller-save.c: (this_insn_sets): Move into:
2056         (save_call_clobbered_regs).
2057         (mark_set_regs): Get this_insn_sets from data.
2058
2059         (save_call_clobbered_regs): Take sets of the return value by
2060         sibcalls into account.
2061
2062 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2063         PR target/21623:
2064
2065         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2066         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2067         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2068         (memory_move_secondary_cost, init_reg_autoinc): Remove
2069         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2070         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2071         secondary_reload_class call.
2072         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2073         callers.
2074         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2075         (push_secondary_reload): Use secondary_reload target hook.
2076         (secondary_reload_class, scratch_reload_class): New functions.
2077         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2078         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2079         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2080         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2081         (secondary_reload_class, scratch_reload_class): Declare.
2082         * reload1.c: Include target.h.
2083         (reload_adjust_reg_for_temp): New function.
2084         (reload_adjust_reg_for_icode): Likewise.
2085         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2086         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2087         call.
2088         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2089         for inheritance.  Support case when both secondary & tertiary reloads
2090         are for intermediate registers.
2091         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2092         with secondary_reload_class call.  Support case when both secondary
2093         & tertiary reloads are for intermediate registers.
2094         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2095         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2096         * target.h (secondary_reload_info): New struct / typedef.
2097         (struct gcc_target): New member secondary_reload.
2098         * targhooks.c Include reload.h, optabs.h and recog.h.
2099         (default_secondary_reload): New function.
2100         * targhooks.h (default_secondary_reload): Declare.
2101         * doc/tm.texi: Document secondary_reload target hook.  Update
2102         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2103         * doc/md.texi: Likewise.
2104
2105         * sh-protos.h (sh_secondary_reload): Declare.
2106         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2107         (sh_secondary_reload): New function.
2108         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2109         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2110         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2111         (HAVE_SECONDARY_RELOADS): Define.
2112         * sh.md (reload_indf): Rename to:
2113         (reload_indf__frn).
2114         (reload_outdf): Rename to:
2115         (reload_outdf__RnFRm).
2116         (reload_insf): Rename to:
2117         (reload_insf__frn).
2118         (reload_insi): Rename to:
2119         (reload_insi__i_fpul).
2120
2121 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2122
2123         * configure.ac: Require at least texinfo 4.4.
2124         * configure: Regenerate.
2125
2126         * doc/install.texi (Tools/packages necessary for building GCC):
2127         Update required version of texinfo to at least 4.4.
2128         (Installing GCC: Building): Update required version of texinfo
2129         to at least 4.4.
2130         (Installing GCC: Final installation): Update required version
2131         of texi2dvi to at least 4.4.
2132         (Host/target specific installation notes for GCC): Update required
2133         version of texinfo to at least 4.4.
2134
2135 2005-11-24  Richard Guenther  <rguenther@suse.de>
2136         Dirk Mueller <dmueller@suse.de>
2137
2138         PR c++/14024
2139         * c-common.h (strict_aliasing_warning): Declare.
2140         * c-common.c (strict_aliasing_warning): New function,
2141         split out from ...
2142         * c-typeck.c (build_c_cast): ... here.
2143
2144 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2145
2146         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2147         to order operands.
2148         (swap_commutative_operands_with_target): New.
2149
2150 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2151
2152         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2153         also when doing PRE, rather than only for global CPROP.
2154
2155 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2156
2157         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2158         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2159         formatting.
2160         (expand_twoval_unop): Likewise.
2161         (widen_clz): Likewise.
2162         (expand_parity): Likewise.
2163         (expand_unop): Likewise.
2164         (emit_cmp_and_jmp_insn_1): Likewise.
2165         (prepare_float_lib_cmp): Likewise.
2166
2167 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2168
2169         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2170         Remove unused `class' variable.
2171
2172 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2173
2174         PR c++/21667
2175         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2176         C/C++ diagnostic function warn_array_subscript_with_type_char.
2177         * c-common.h (warn_array_subscript_with_type_char): Declare.
2178         * c-common.c (warn_array_subscript_with_type_char): Define.
2179
2180 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2181
2182         PR c/21668
2183         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2184         compiling at the intersection of C and C++.
2185
2186 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2187
2188         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2189         List @file in the option summary.  Include the libiberty
2190         documentation for @file.
2191         * gcc.c (main): Call expandargv.
2192         * Makefile.in (gcc-vers.texi): Define srcdir.
2193
2194 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2195
2196         * passes.c (init_optimization_passes): Document
2197         sequencing of passes.
2198
2199 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2200
2201         * config/m68k/predicates.md (pcrel_address, extend_operator,
2202         post_inc_operand, pre_dec_operand): Remove redundant
2203         conditionals.
2204         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2205         instead of abort.
2206         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2207
2208 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2209
2210         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2211
2212 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2213
2214         Preparatory work for PR target/21623:
2215         * alpha.c (secondary_reload_class): Rename to:
2216         (alpha_secondary_reload_class).
2217         * alpha.h, alpha-protos.h: Likewise.
2218         * mn10300.c (secondary_reload_class): Rename to:
2219         (mn10300_secondary_reload_class).
2220         * mn10300.h, mn10300-protos.h: Likewise.
2221         * pa.c (secondary_reload_class): Rename to:
2222         (pa_secondary_reload_class).
2223         * pa.h, pa-protos.h: Likewise.
2224         * rs6000.c (secondary_reload_class): Rename to:
2225         rs6000_secondary_reload_class.
2226         * rs6000.h, rs6000-protos.h: Likewise.
2227
2228 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2229
2230         PR middle-end/22561
2231         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2232
2233 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2234
2235         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2236         a mode_class.
2237         (prepare_cmp_insn): Likewise.
2238
2239 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2240
2241         PR target/23435
2242         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2243         if both operands[0] and operands[1] are memory.
2244
2245 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2246
2247         PR middle-end/23606
2248         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2249         COMPARISON_CLASS_P and an integral types create create a new
2250         expression with the new type and fold that.
2251
2252 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2253
2254         PR target/24988
2255         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2256         to SUBTARGET_OS_CPP_BUILTINS.
2257
2258 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2259
2260         * arm.c (emit_set_insn): New function.
2261         (arm_split_constant): Call it.
2262         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2263         (arm_legitimize_address): Likewise.  Use plus_constant.
2264         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2265         (thumb_expand_prologue): Likewise.
2266         (arm_gen_load_multiple): Use VOIDmode in SET.
2267         (arm_gen_store_multiple): Likewise.
2268         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2269         (emit_multi_reg_push): Likewise.
2270         (emit_sfm): Use plus_constant.
2271
2272 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2273
2274         PR target/24954
2275         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2276         typo last change.
2277
2278 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2279
2280         PR middle-end/24950
2281         * expmed.c (store_bit_field): Don't attempt to insv a field
2282         larger than the reg.
2283
2284 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2285
2286         PR target/24954
2287         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2288         explicit sign extension, not a (char) cast.
2289
2290 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2291
2292         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2293         GET_MODE_CLASS (x) == MODE_FLOAT.
2294         * config/i386/i386.c: Likewise.
2295         * config/rs6000/xcoff.h: Likewise.
2296         * config/rs6000/linux64.h: Likewise.
2297         * config/rs6000/rs6000.c: Likewise.
2298         * config/rs6000/rs6000.h: Likewise.
2299         * config/rs6000/predicates.md: Likewise.
2300         * config/rs6000/sysv4.h: Likewise.
2301
2302 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2303
2304         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2305         flag_pic is set.
2306
2307         * config/alpha/freebsd.h, config/alpha/linux.h,
2308         config/arm/linux-elf.h, config/bfin/bfin.h,
2309         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2310         config/i386/beos-elf.h, config/i386/gnu.h,
2311         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2312         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2313         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2314         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2315         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2316         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2317         config/sparc/linux.h, config/sparc/linux64.h,
2318         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2319
2320         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2321         are both defined when either flag -fpic or -fPIC are used.
2322
2323 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2324
2325         * config/fp-bit.c (clzusi): New function.
2326         (si_to_float, usi_to_float): Use it to compute proper shift.
2327         (usi_to_float): Preserve guard bits when shifting right.
2328         * libgcc-std.ver (GCC_4.2.0): New version.
2329         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2330         __floatundisf): New functions.
2331         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2332         __floatundisf): Declare.
2333         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2334         _floatundixf, and _floatunditf.
2335         * optabs.c (expand_float): If target does not define a pattern for
2336         signed or unsigned conversion, use an unsigned libcall instead of
2337         a signed one.
2338         (init_optabs): Initialize ufloat_optab.
2339
2340 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2341
2342         * config/rs6000/rs6000.opt (mmulhw): New option.
2343         * doc/invoke.texi (-mmulhw): Document.
2344         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2345         for 405 and 440.
2346         * config/rs6000/rs6000.md: Add half-word multiply and
2347         multiply-accumulate instructions for 405 and 440.
2348
2349 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2350
2351         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2352         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2353         default now includes a linker group which makes the RTEMS one nest.
2354
2355 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2356
2357         * cse.c (fold_rtx): Typo fix.
2358         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2359
2360 2005-11-21  Richard Henderson  <rth@redhat.com>
2361
2362         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2363         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2364
2365         * c-tree.h (lookup_name): Move declaration ...
2366         * c-common.h (lookup_name): ... here.
2367         * config/darwin-c.c: Include c-common.h.
2368         * config/t-darwin: Update dependencies.
2369
2370 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2371
2372         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2373         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2374         * genopinit.c (gen_insn): Likewise.
2375         * reload.c (find_equiv_reg): Likewise.
2376         * loop.c (load_mems): Likewise.
2377         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2378         * cse.c (find_comparison_args, fold_rtx): Likewise.
2379         * dwarf2out.c (add_const_value_attribute): Likewise.
2380         * expr.c (convert_move): Likewise.
2381         * recog.c (general_operand, register_operand): Likewise.
2382         * reg-stack.c (replace_reg): Likewise.
2383         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2384         * c-common.c (handle_vector_size_attribute): Likewise.
2385         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2386         (simplify_binary_operation_1): Likewise.
2387         (simplify_const_binary_operation): Likewise.
2388         (simplify_relational_operation): Likewise.
2389         (simplify_const_relational_operation): Likewise.
2390         (simplify_immed_subreg): Likewise.
2391         * emit-rtl.c (gen_lowpart_common): Likewise.
2392         * expmed.c (expand_mult): Likewise.
2393         * stor-layout.c (layout_type): Likewise.
2394
2395 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2396
2397         PR target/24951
2398         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2399         cst2 only for SPE vectors.
2400
2401 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2402
2403         PR target/24953
2404         * config/rs6000/predicates.md (vrsave_operation): Check
2405         UNSPEC_VOLATILE value.
2406
2407 2005-11-21  Jan Hubicka  <jh@suse.cz>
2408
2409         PR tree-optimization/24653
2410         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2411
2412 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2413
2414         * config/i386/predicates.md (ax_reg_operand): New predicate.
2415         (memory_displacement_only_operand): New predicate.
2416         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2417         operand is AX register and the other operand is memory operand
2418         with displacement only.
2419
2420 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2421
2422         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2423         if we don't care about NaNs or Infinities.
2424
2425 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2426
2427         PR rtl-optimization/24883
2428         * combine.c (combinable_i3pat): When checking whether the
2429         destination of i3 is used in i3, consider paradoxical subregs.
2430
2431 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2432
2433         PR middle-end/20583
2434         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2435
2436 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2437
2438         * combine.c (try_combine): Do not run subst on i1src and i2src in
2439         the case of generating a PARALLEL for a comparison.
2440
2441 2005-11-20  Richard Henderson  <rth@redhat.com>
2442
2443         PR 24931
2444         * tree-sra.c (struct sra_elt): Add all_no_warning.
2445         (struct sra_walk_fns) <use>: Add use_all argument.
2446         (sra_walk_expr): Pass it.
2447         (sra_walk_modify_expr): Likewise.
2448         (scalarize_ldst): Likewise.
2449         (scan_use): Update for new argument.
2450         (mark_no_warning): New.
2451         (scalarize_use): Use it.
2452
2453 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2454
2455         * expr.c (expand_expr_real): Use usmul_optab for widening
2456         signed * unsigned multiplies.
2457         * genopinit.c (optabs): Add usmul_widen_optab.
2458         * optabs.c (init_optabs): Likewise.
2459         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2460         (usmul_widen_optab): Define.
2461         * config/bfin/bfin.md (usmulhisi3): New pattern.
2462
2463         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2464
2465 2005-11-20  Graham Stott <btinternet.com>
2466
2467         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2468
2469 2005-11-20  Andreas Schwab  <schwab@suse.de>
2470
2471         PR target/24757
2472         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2473         insn.
2474
2475 2005-11-19  Richard Henderson  <rth@redhat.com>
2476
2477         PR tree-opt/24665
2478         * tree-gimple.c (is_gimple_id): Export.
2479         * tree-gimple.h (is_gimple_id): Declare.
2480         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2481         (get_default_value): Use it.
2482         (maybe_fold_stmt_indirect): Likewise.
2483
2484 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2485
2486         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2487         than VR1 or vice-versa.
2488
2489 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2490
2491         PR middle-end/24912
2492         PR middle-end/24750
2493         * reload.c (find_reloads_address_1): Mention dependency on
2494         gen_reload.
2495         * reload1.c (gen_reload): For IN with an unary operation, try
2496         moving inner expression to OUT if trivial SET is not valid.
2497         Confirm that the result is valid.  Move common code block into...
2498         (emit_insn_if_valid_for_reload): New function.
2499
2500 2005-11-19  Richard Guenther  <rguenther@suse.de>
2501
2502         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2503         ARRAY_REFs of constant strings.
2504
2505 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2506
2507         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2508         fatal format string.
2509
2510 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2511
2512         * combine.c (make_compound_operation): Swap operands of
2513         commutative operation if necessary before returning.
2514
2515 2005-11-19  Richard Guenther  <rguenther@suse.de>
2516
2517         PR middle-end/23294
2518         * fold-const.c (fold_plusminus_mult_expr): New function.
2519         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2520         cases, remove now unnecessary code.
2521
2522 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2523
2524         * gensupport.c (old_preds): Rename to std_preds, add special field.
2525         (struct old_pred_table): Rename to struct std_pred_table, add special
2526         field.
2527         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2528         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2529         (init_predicate_table): Adjust, and set along the way whether a
2530         predicate is special.
2531
2532 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2533
2534         * BASE-VER: Change to 4.2.0.
2535
2536 2005-11-18  James E Wilson  <wilson@specifix.com>
2537
2538         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2539         returning it.
2540
2541 2005-11-18  Mike Stump  <mrs@apple.com>
2542
2543         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2544         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2545         * c-decl.c (lookup_name_two) Remove.
2546         * c-tree.h (lookup_name_two): Remove.
2547         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2548         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2549         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2550         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2551
2552 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2553
2554         PR target/24914
2555         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2556         when not generating code to use that co-processor.
2557
2558 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2559
2560         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2561         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2562         these functions are now in tree-phinodes.c.
2563
2564 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2565
2566         * config/bfin/bfin.md (trap): New pattern.
2567
2568 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2569
2570         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2571         on types.
2572
2573         * expr.c (expand_expr_real): Don't call record_block_change unless
2574         ib_boundaries_block is non-null
2575
2576         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2577
2578         * fold-const.c (build_range_check): Use proper type for subtraction
2579         when merging lower bound.
2580
2581 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2582
2583         PR rtl-optimization/24497
2584         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2585         the copied insn.
2586
2587 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2588
2589         * tree-scalar-evolution.c (expression_expensive_p): New function.
2590         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2591
2592 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2593
2594         * config/bfin/crtlibid.s: New file.
2595
2596 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2597
2598         PR target/24348
2599         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2600         when not using sjlj exceptions.
2601         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2602         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2603         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2604         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2605         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2606         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2607         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2608         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2609         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2610         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2611         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2612         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2613         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2614         defines.
2615         * config/pa/hpux-unwind.h: New file.
2616
2617 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2618
2619         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2620         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2621         * varasm.c (do_assemble_alias): Adjust call.
2622         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2623         is defined.
2624         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2625
2626 2005-11-17  James E Wilson  <wilson@specifix.com>
2627
2628         * tree.def (FUNCTION_DECL): Correct typo in comment.
2629
2630 2005-11-17  Richard Henderson  <rth@redhat.com>
2631
2632         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2633         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2634         and DW_CFA_def_cfa_sf.
2635         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2636         (dbx_reg_number): Don't assert particular registers here.
2637         (based_loc_descr): ... do it here instead.  Fold in ...
2638         (eliminate_reg_to_offset): ... this function.
2639         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2640         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2641         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2642         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2643         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2644         (instantiate_virtual_regs): Likewise.
2645         * var-tracking.c (adjust_stack_reference): Likewise.
2646         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2647
2648 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2649
2650         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2651         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2652         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2653         crtlibid.o.
2654         ($(T)crtlibid.o): New rule.
2655
2656 2005-11-16  Richard Guenther  <rguenther@suse.de>
2657
2658         PR middle-end/24851
2659         * fold-const.c (extract_array_ref): Return byte offset
2660         in all cases.
2661         (fold_binary): Fold &x[a] CMP &x[b] to
2662         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2663         behavior.
2664
2665 2005-11-16  Richard Henderson  <rth@redhat.com>
2666
2667         PR middle-end/23497
2668         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2669         parts of an SSA_NAME.
2670
2671 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2672
2673         PR target/24861
2674         * arm.md (split for movsf with immediate): Restrict split to insns
2675         that set a general register.
2676
2677 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2678
2679         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2680         uw_update_context.
2681         * unwind-dw2.c (uw_advance_context): Likewise.
2682         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2683         _Unwind_SjLj_Unregister.
2684         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2685
2686 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2687
2688         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2689
2690 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2691
2692         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2693         langhook to get a DImode integer type.
2694
2695 2005-11-16  Richard Henderson  <rth@redhat.com>
2696             J"orn Rennecke <joern.rennecke@st.com>
2697             Ulrich Weigand  <uweigand@de.ibm.com>
2698
2699         PR rtl-opt/24160
2700         PR target/24621
2701         * reload1.c (reg_equiv_invariant): New.
2702         (reload): Allocate, initialize, and free it.
2703         (calculate_needs_all_insns): Check it when skipping equivalence
2704         setting insns.
2705         (alter_reg): Likewise.
2706         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2707         may_use_invariant argument; only use reg_equiv_invariant when true.
2708         (eliminate_regs): New.
2709         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2710         a context for which may_use_invariant may be true.
2711
2712 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2713
2714         * fold-const.c (const_binop): Don't constant fold the operation
2715         if the result has overflowed and flag_trapping_math.
2716         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2717
2718 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2719
2720         * config/arm/unwind-arm.c (abort): Add prototype here.
2721         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2722         (struct phase1_vrs): Add prev_sp.
2723         (unwind_phase2_forced): Save the original core registers instead of
2724         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2725         and set action flags accordingly.  Always set _US_END_OF_STACK when
2726         get_eit_entry fails.  Unwind before calling the stop function.
2727         (_Unwind_GetCFA): New function.
2728         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2729         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2730         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2731         just call unwind_phase2_forced.
2732         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2733         * config/arm/unwind-arm.h (abort): Remove prototype.
2734         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2735         prototypes.
2736         (_Unwind_GetCFA): New prototype.
2737         * config/arm/pr-support.c (abort): Add prototype here.
2738         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2739         forced unwinding.
2740         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2741         not schedule the prologue with non-call exceptions and EABI.
2742
2743 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2744
2745         * config/arm/unwind-arm.h: Reorder interface function declarations.
2746         (_URC_END_OF_STACK): New enumeration value.
2747         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2748         (struct _Unwind_Control_Block): Document reserved field use.
2749         (_Unwind_Stop_Fn): New typedef.
2750         (_Unwind_ForcedUnwind): Declare.
2751         (_Unwind_Resume_or_Rethrow): Declare.
2752         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2753         argument.  Adjust.
2754         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2755         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2756         (UCB_FORCED_STOP_ARG): New.
2757         (search_EIT_table): Update boundary condition checks.
2758         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2759         (unwind_phase2): Replace for with do..while.
2760         (unwind_phase2_forced): New.
2761         (__gnu_Unwind_RaiseException): Replace for with do..while.
2762         (__gnu_Unwind_ForcedUnwind): New.
2763         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2764         Use appropriate phase2 unwinder.
2765         (__gnu_Unwind_Resume_or_Rethrow): New.
2766         (__gnu_unwind_pr_common): Cope with forced unwinding.
2767
2768 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2769
2770         PR target/24772
2771         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2772
2773         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2774         roundsf2): Remove "s" from mnemonic.
2775
2776 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2777
2778         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2779         __PIC__ is defined.
2780         * config/bfin/crtn.s: Change epilogues to match.
2781         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2782         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2783         __PIC__ and __pic__.
2784
2785 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2786
2787         PR 24357
2788         * doc/invoke.texi: Distinguish between free and fixed form instead of
2789         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2790         languages.
2791         * gcc.c (default_compilers): Remove double entries, add entries for
2792         suffixes '.F90' and '.F95'.
2793
2794 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2795
2796         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2797         in the stack probing loop.
2798
2799 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2800
2801         * configure.ac: Use .machine power5 not power5x.
2802         * configure: Regenerate.
2803
2804 2005-11-15  Mike Stump  <mrs@apple.com>
2805
2806         * c-decl.c (lookup_name_two): Add.
2807         * c-tree.h (lookup_name_two): Likewise.
2808         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2809         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2810
2811 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2812
2813         PR rtl-optimization/23392
2814         * regrename.c (enum scan_actions) Add mark_access.
2815         (scan_actions_name): Ditto.
2816         (scan_rtx_reg): Handle mark_access.
2817         (scan_rtx_address): Do nothing for mark_access.
2818         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2819         and regs in REG_INC notes before closing chains for dead regs.
2820         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2821         opening chains for new writes.
2822
2823 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2824
2825         * c.opt (ffixed-line-length-none): New.
2826
2827 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2828
2829         * mklibgcc.in: Change contents of eh_dummy.c.
2830
2831 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2832
2833         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2834
2835 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2836
2837         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2838         of making syscalls.
2839         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2840
2841 2005-11-15  Jan Hubicka  <jh@suse.cz>
2842
2843         * invoke.texi (large-unit-insns): Document.
2844         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2845         * params.def (large-unit-insns): New param.
2846
2847 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2848
2849         PR target/24869
2850         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2851         special register for operand 3.  Reindent constraints to align
2852         them vertically.
2853
2854 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2855
2856         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2857         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2858         * configure.ac: Add test for FP rounding instructions.
2859         * configure: Regenerate.
2860         * config.in: Regenerate.
2861         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2862         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2863         features enabled.
2864         * config/rs6000/rs6000.opt (mfprnd): New.
2865         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2866         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2867         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2868         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2869         (TARGET_FPRND): New.
2870         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2871         UNSPEC_FRIZ): New.
2872         (btrunc<mode>2): New.
2873         (ceil<mode>2): New.
2874         (floor<mode>2): New.
2875         (round<mode>2): New.
2876
2877 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2878
2879         * gcc.c (version_compare_spec_function): Use fatal() rather than
2880         abort().
2881
2882         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2883         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2884         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2885         as empty.
2886         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2887         link in crt2.o.
2888
2889         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2890         on -mmacosx-version-min setting.
2891
2892 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2893
2894         PR 24840
2895         * tree-vrp.c (infer_value_range): Return false if STMT is a
2896         block terminator and its basic block has no successors.
2897
2898 2005-11-14  Mike Stump  <mrs@apple.com>
2899
2900         * config/i386/i386.c (override_options): -masm=intel isn't
2901         supported on darwin.
2902         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2903
2904 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2905
2906         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2907         vfork after including auto-host.h.
2908
2909 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2910
2911         PR rtl-optimization/22002
2912         * combine.c (distribute_notes): Detect cases where a reg dies
2913         two or more times in a bb, including on the insn we are combining,
2914         and place the death note on the correct range.
2915
2916 2005-11-14  Dale Johannesen  <dalej@apple.com>
2917
2918         * expmed.c (store_bit_field):  Add offset unconditionally for
2919         memory targets.
2920         (extract_bit_field):  Don't force extzv or extv operand into
2921         a register if field is too big.
2922
2923 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2924
2925         * config/arm/arm.c (pic_labelno): New.
2926         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2927         LABEL_REF.  Pass only the labelno to PIC insns.
2928         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2929         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2930         * arm.md (UNSPEC_PIC_LABEL): New constant.
2931         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2932         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2933         Use the correct label prefix.
2934
2935 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2936
2937         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2938         REQ_EQUIV note.
2939
2940 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2941
2942         * loop-invariant.c: Include tm_p.h.
2943         * Makefile.in: Updated.
2944
2945 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2946
2947         * pa.c (store_reg): Revise generation of frame notes in large frames.
2948         (set_reg_plus_d): Likewise.
2949
2950 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2951
2952         PR tree-optimization/24709
2953         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2954         loop check.
2955
2956 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2957
2958         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2959         and duplicate declaration of pthread_self.
2960
2961 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2962             Ian Lance Taylor  <ian@airs.com>
2963
2964         PR middle-end/24003
2965         * calls.c (expand_call): If TARGET is a MEM and some part of the
2966         argument area has been saved, force TARGET to a register.
2967
2968 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2969
2970         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2971         checking.
2972
2973 2005-11-13  Jason Merrill  <jason@redhat.com>
2974
2975         PR c++/22489
2976         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2977         lazily declared methods.
2978         (force_decl_die): Stop if forcing out the context already make a
2979         DIE for the decl.
2980         (force_type_die): Likewise.
2981
2982 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2983
2984         PR middle-end/24820
2985         * builtins.c (integer_valued_real_p): Add break in
2986         REAL_CST having TREE_OVERFLOW set.
2987
2988 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2989
2990         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2991         addressing modes during calculation of costs.
2992
2993 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2994
2995         * function.c (assign_stack_local_1): Restrict sanity check
2996         on frame size overflow to 32-bit and above platforms.
2997
2998 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2999
3000         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3001         * config/cris/cris.c: Include reload.h.
3002         (cris_initial_elimination_offset): New function.
3003         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3004         Prototype.
3005
3006 2005-11-12  Richard Guenther  <rguenther@suse.de>
3007
3008         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3009
3010 2005-11-12  Jan Hubicka  <jh@suse.cz>
3011
3012         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3013         to compare against 0 when possible.
3014
3015 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3016
3017         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3018         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3019         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3020         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3021         in the new order.
3022
3023 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3024
3025         * recog.c (constrain_operands) <case 'g'>: For a match, require
3026         that a non-register matches general_operand when strict >= 0.
3027
3028 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3029
3030         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3031         previous checkin.
3032
3033 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3034
3035         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3036         (memory_address_same): New.
3037         (dse_optimize_stmt): Call memory_address_same.
3038
3039 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3040
3041         PR middle-end/24750
3042         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3043         ZERO_EXTEND>: New cases.
3044
3045 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3046
3047         * longlong.h (__clz_tab): Always provide.
3048
3049 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3050
3051         PR 24265
3052         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3053         can be assigned to.
3054         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3055         before check_maybe_invariant.
3056         (move_invariant_reg): Use gen_move_insn instead of replacing
3057         SET_DEST with the temporary for the invariant.
3058         (move_loop_invariants): If checking is enabled, do internal
3059         consistency checks after completing the pass.
3060
3061 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3062
3063         PR 24644
3064         * common.opt (Wvolatile-register-var): New.
3065         * varasm.c (make_decl_rtl): Only emit warning when option
3066         specified.  Clarify warning message.
3067         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3068
3069         * doc/md.texi (copysign): Document standard named pattern.
3070
3071 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3072
3073         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3074         bytes when align is 2.
3075         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3076         by the first instruction of the loop.
3077
3078 2005-11-11  Jason Merrill  <jason@redhat.com>
3079
3080         PR c++/24686
3081         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3082         the cleanup list.
3083
3084 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3085
3086         PR rtl-optimization/22509
3087         * local-alloc.c (memref_used_between_p): Check whether a function call
3088         could not reference the memref.
3089
3090 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3091
3092         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3093         algorithm so as to choose the best, not the worst, alternative.
3094         Reset accumulated register class before processing next alternative.
3095
3096 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3097
3098         PR target/24445
3099         * calls.c (expand_call): Copy a return value to a plain register
3100         if needed.
3101
3102 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3103
3104         PR target/24778
3105         * varasm.c (assemble_name): Recompute name only for transparent
3106         aliases.
3107
3108 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3109
3110         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3111
3112 2005-11-04  Jeff Law  <law@redhat.com>
3113
3114         PR middle-end/23181
3115         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3116         perform reassociation if the parent statement will not die as
3117         a result of the optimization.
3118
3119 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3120
3121         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3122         delete_old_heap_vars.
3123         * tree-dfa.c (referenced_var_remove): Remove function.
3124         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3125         (delete_tree_ssa): Remove call to delete_old_heapvars.
3126         Add call to delete_alias_heapvars.
3127         * tree-flow.h (referenced_var_remove): Remove prototype
3128         (init_alias_heapvars): New prototype.
3129         (delete_alias_heapvars): Ditto.
3130         * Makefile.in (tree-ssa-structalias.o): Add
3131         gt-tree-ssa-structalias.o
3132         (GTFILES): Add tree-ssa-structalias.h and
3133         tree-ssa-structalias.c.
3134         (s-gtype): Add gt-tree-ssa-structalias.h.
3135         * tree-ssa-structalias.c (heapvars): Remove.
3136         (oldheapvars): Remove.
3137         (heapvar_for_stmt): New variable.
3138         (heapvar_lookup): New function.
3139         (heapvar_insert): Ditto.
3140         (get_constraint_for): See if we have an old heapvar
3141         to reuse.
3142         (init_alias_heapvars): New function.
3143         (delete_alias_heapvars): Ditto.
3144         Add include of gt-tree-ssa-structalias.h.
3145
3146 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3147
3148         PR middle-end/22127
3149         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3150
3151 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3152
3153         * tree.c (int_fits_type_p): Only look at the base type
3154         if it has the same precision as the original type.
3155
3156 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3157
3158         PR other/4372
3159         * varasm.c (assemble_alias): Use %q+D in the error
3160         message instead of %J and %qD.
3161
3162 2005-11-10  Richard Guenther  <rguenther@suse.de>
3163
3164         * gcse.c (free_ldst_entry): Only free hashtable if
3165         it exists.
3166
3167 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3168
3169         * function.c (assign_stack_local_1): Issue an error message if
3170         the frame size overflows in the signed target arithmetics.
3171
3172 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3173
3174         * tree.c (build_qualified_type): Chain the new type to the original
3175         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3176         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3177         (build_pointer_type_for_mode): Only return unqualified types.
3178         (build_reference_type_for_mode): Likewise.
3179
3180 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3181
3182         * Makefile.in (gnucompare): Do comparison of all files using one of
3183         the chosen methods and only afterwards decide if just warning should
3184         be issued or comparison failure raised.
3185
3186 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3187
3188         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3189         (noce_try_abs): Negate if the comparison is reversed.
3190         Look only one instruction backwards for a REG_EQUAL note.
3191
3192 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3193
3194         PR other/4372
3195         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3196         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3197         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3198         and prefix all uses with __ghtrw.
3199
3200 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3201
3202         PR other/4372
3203         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3204         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3205         * c-common.c (handle_weakref_attribute): New.
3206         (c_common_attribute_table): Add weakref.
3207         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3208         in the assembler.
3209         * configure, config.in: Rebuilt.
3210         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3211         * doc/extend.texi: Document weakref attribute.
3212         * varasm.c (ultimate_transparent_alias_target): New
3213         (assemble_name): Use it.
3214         (weak_finish_1): Split out of...
3215         (weak_finish): ... and deal with weakrefs in...
3216         (weakref_targets): ... new list.
3217         (globalize_decl): Clean up weakref_targets.
3218         (do_assemble_alias): Handle weakrefs.
3219         (finish_aliases_1): Do not reject weakrefs to external symbols.
3220         (assemble_alias): Handle weakrefs.
3221
3222 2005-11-09  Richard Guenther  <rguenther@suse.de>
3223
3224         PR tree-optimization/24716
3225         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3226         t_bool to track results from follow_ssa_edge.
3227
3228 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3229
3230         * final.c (force_source_line): New global variable.
3231         (final_scan_insn): Set it to true instead of clearing last_filename.
3232         (notice_source_line): Return true if force_source_line is true,
3233         unless source info is absent.
3234
3235 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3236
3237         PR c/24644
3238         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3239         a linkage name for a variable if it a register variable.
3240         * c-decl.c (grokdeclarator): Global register variables
3241         should be set as PUBLIC.
3242
3243 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3244
3245         PR 24624
3246         * config/s390/s390.c (struct s390_frame_layout): New fields
3247         first_save_gpr_slot and last_save_gpr_slot.
3248         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3249         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3250         first_save_gpr and last_save_gpr with the _slot variants.
3251         (s390_register_info): Calculate first_save_gpr_slot and
3252         last_save_gpr_slot using regs_ever_live.
3253
3254 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3255
3256         PR 24623
3257         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3258         for a function containing a landing pad.
3259
3260 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3261
3262         PR 24034
3263         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3264         is live afterwards.
3265
3266 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3267
3268         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3269         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3270
3271 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3272
3273         Add ms2 support
3274         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3275         constants.
3276         (call,load,store): New insn types.
3277         (mem_access, branch_access): Adjust reservation conditions.
3278         (define_delay): Adjust condition.
3279         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3280         type.
3281         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3282         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3283         insn type.
3284         (call_internal, call_value_internal, return_internal,
3285         return_interrupt_internal, eh_return_internal, indirect_jump,
3286         tablejump): Set call insn type.
3287         (blockage, ei, di): Use appropriate unspec const.
3288         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3289         (ms1_get_attr_type): Adjust to give load & store types.
3290         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3291         backwards past a barrier.
3292         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3293         branch scheduling.
3294         (struct branch_info, struct label_info): New.
3295         (ms1_labels): New.
3296         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3297         (ms1_machine_reorg): New.
3298         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3299         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3300         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3301         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3302         (TARGET_MS2): New.
3303
3304 2005-11-09  Per Bothner  <per@bothner.com>
3305             Uros Bizjak  <uros@kss-loka.si>
3306
3307         PR c/24101
3308         * toplev.c (process_options): Initialize debug_hooks early
3309         in case lang_hooks.post_options ends up calling a debug_hook.
3310
3311 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3312
3313         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3314         DBX_REGISTER_NUMBER being contiguous.
3315
3316 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3317             Diego Novillo  <dnovillo@redhat.com>
3318
3319         PR 23046
3320         * tree-vrp.c (register_edge_assert_for): Do not register
3321         always-false predicates.
3322
3323 2005-11-08  Devang Patel <dpatel@apple.com>
3324
3325         PR tree-optimization/23115
3326         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3327         relation.
3328
3329 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3330
3331         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3332         -mcpu=440.
3333
3334 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3335
3336         Fix PR tree-optimization/23382
3337
3338         * tree-ssa-alias.c (compute_may_aliases): Call
3339         delete_old_heap_vars.
3340         * tree-dfa.c (referenced_var_remove): New function.
3341         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3342         * tree-flow.h (referenced_var_remove): Add prototype.
3343         (delete_old_heap_vars): Ditto.
3344         * tree-ssa-structalias.c (heapvars): New variable.
3345         (oldheapvars): Ditto.
3346         (get_constraint_for): Put heap vars on heapvars list.
3347         (delete_old_heap_vars): New function.
3348
3349 2005-11-08  Jason Merrill  <jason@redhat.com>
3350
3351         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3352
3353 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3354
3355         PR target/19340
3356         * reg-stack.c (reg_to_stack): Update register liveness also
3357         for flag_sched2_use_traces.
3358
3359 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3360
3361         PR target/23704
3362         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3363         override prior explicit -mno-powerpc-gfxopt.
3364
3365 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3366
3367         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3368         if the bitsize is zero.
3369         * doc/md.texi (Standard Pattern Names): Document it.
3370
3371         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3372         (TARGET_PASS_BY_REFERENCE): Likewise.
3373
3374 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3375
3376         PR rtl-optimization/24683
3377         * config/i386/i386.c (legitimize_pic_address): If constant operand
3378         to PLUS is too large, put it in a register.
3379
3380 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3381
3382         * configure.ac: Enable checking assembler dwarf2 support for bfin
3383         target.
3384         * configure: Regenerate.
3385
3386 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3387
3388         PR target/24230
3389
3390         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3391         gen_easy_vector_constant_add_self): Delete.
3392         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3393         New.
3394         (output_vec_const_move): Use gen_easy_altivec_constant.
3395         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3396         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3397         (easy_vector_constant_add_self): Rewritten.
3398         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3399         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3400         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3401         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3402         Macroize and adjust for the other changes.
3403
3404 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3405
3406         PR c/24599
3407
3408         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3409         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3410
3411 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3412
3413         PR rtl-optimization/23567
3414         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3415         (noce_process_if_block): Don't do any optimizations except
3416         if (cond) x = x; if !set_b and write into orig_x may trap
3417         or fault.  Remove the MEM_READONLY_P check.
3418
3419 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3420
3421         PR 24670
3422         * tree-vrp.c (fix_equivalence_set): New.
3423         (extract_range_from_assert): Call it.
3424
3425 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3426
3427         PR target/22432
3428         * combine.c (apply_distributive_law): Don't distribute across a
3429         vector mode subreg.
3430
3431 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3432
3433         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3434         config/ms1/ms1.h, config/rs6000/predicates.md,
3435         config/s390/s390.c, params.def, postreload-gcse.c,
3436         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3437         tree-vrp.c, tree.c: Fix comment typos.
3438         * doc/invoke.texi: Fix typos.
3439
3440 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3441
3442         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3443         for testing whether the data_dependence_relation contains distance
3444         vectors.  Iterate over all distance vectors of the ddr.
3445         * lambda.h: Define a vec of lambda_vector pointers.
3446         * tree-data-ref.c (dump_data_dependence_relation,
3447         dump_data_dependence_direction): Iterate over all distance and
3448         direction vectors of the ddr.
3449         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3450         DDR_DIST_VECTS.
3451         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3452         of distance/direction vectors instead of a single one.
3453         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3454         lambda_vectors with a vec of lambda_vectors.
3455         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3456         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3457         DDR_NUM_DIST_VECTS): New.
3458         * tree-loop-linear.c (gather_interchange_stats): Test for the
3459         existence of distance vectors only after having checked that there
3460         is a dependence.  Iterate over all distance vectors of the ddr.
3461         (linear_transform_loops): Use dump_data_dependence_relation.
3462         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3463         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3464         distance vectors of the ddr.
3465
3466 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3467
3468         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3469         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3470         IS_INTHANDLER; all callers changed.
3471         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3472         account.
3473         (do_link, do_unlink): New argument ALL; all callers changed.
3474         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3475         If function isn't leaf, save and restore all registers.
3476         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3477         exception handler.
3478
3479 2005-11-05  Jan Hubicka  <jh@suse.cz>
3480
3481         PR rtl-optimization/23490
3482         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3483         max-flow-memory-location): Document.
3484         * flow.c: Include params.h
3485         (MAX_MEM_SET_LIST_LEN): Kill.
3486         (add_to_mem_set_list): Use new param.
3487         * cse.c (cse_basic_block): Replace 1000 by new param.
3488         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3489         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3490         * predict.c (predict_loops): Use new param.
3491         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3492
3493         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3494         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3495         Do not hold memory returned by cgraph_node_name across other call.
3496
3497 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3498
3499         PR target/23424
3500         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3501         Disable.
3502
3503 2005-11-04  Jeff Law  <law@redhat.com>
3504
3505         PR/21883
3506         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3507         * tree-ssa-dom.c: Include params.h.
3508         (thread_across_edge): If there are too many statements in the
3509         target block, then do not thread through it.
3510         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3511         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3512
3513 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3514
3515         PR 24627
3516         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3517         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3518
3519 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3520
3521         PR/18595
3522         * tree-scalar-evolution.c (instantiate_parameters_1,
3523         instantiate_parameters, resolve_mixers): Compute the size of an
3524         expression to be instantiated and give up the instantiation if the
3525         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3526
3527 2005-11-04  Richard Guenther  <rguenther@suse.de>
3528
3529         * tree-flow.h (ref_contains_indirect_ref): Rename to
3530         array_ref_contains_indirect_ref.
3531         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3532         (array_ref_contains_indirect_ref): Make comment match the code
3533         and vice-versa.
3534         (ref_contains_array_ref): Likewise.
3535         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3536         ref_contains_indirect_ref.
3537         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3538         Rename calls to ref_contains_indirect_ref.
3539
3540 2005-11-04 Paul Brook  <paul@codesourcery.com>
3541
3542         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3543         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3544         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3545         * config/arm/arm.md: Use match_operand in peephole input templates
3546         and match_dup in peephole output templates.
3547
3548 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3549
3550         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3551         __aeabi_uidiv.
3552
3553 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3554             Daniel Jacobowitz  <dan@codesourcery.com>
3555
3556         * longlong.h (add_ssaaaa): Clobber condition code register
3557         in ARM version.
3558         (sub_ddmmss): Likewise.
3559         (umul_ppmm): Likewise.
3560
3561 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3562             Paul Brook  <paul@codesourcery.com>
3563             Phil Blundell  <pb@reciva.com>
3564
3565         * configure.ac: Add test for ARM TLS support.
3566         * configure: Regenerated.
3567         * config/arm/arm-protos.h (legitimize_tls_address)
3568         (arm_tls_referenced_p, tls_mentioned_p)
3569         (arm_output_addr_const_extra): New prototypes.
3570         (thumb_legitimize_pic_address): Delete.
3571         * config/arm/arm.c: Include "gt-arm.h".
3572         (enum tls_reloc): New.
3573         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3574         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3575         (arm_call_tls_get_addr, legitimize_tls_address)
3576         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3577         (arm_init_tls_builtins, arm_emit_tls_decoration)
3578         (arm_output_addr_const_extra): New functions.
3579         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3580         (TARGET_HAVE_TLS): Define.
3581         (target_thread_pointer): New.
3582         (arm_override_options): Handle -mtp=.
3583         (legitimize_pic_address): Ignore UNSPECs.
3584         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3585         relative symbols.
3586         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3587         (tls_get_addr_libfunc): New variable.
3588         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3589         (arm_init_builtins): Call arm_init_tls_builtins.
3590         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3591         (arm_encode_section_info): Call default_encode_section_info.
3592         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3593         (enum arm_tp_type): New.
3594         (target_thread_pointer): Add declaration.
3595         (LEGITIMATE_CONSTANT_P): Handle TLS.
3596         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3597         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3598         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3599         * config/arm/arm.md: Add UNSPEC_TLS.
3600         (movsi): Handle TLS.
3601         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3602         non-PIC.
3603         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3604         (load_tp_hard, load_tp_soft): New insns.
3605         * arm.opt: Add -mtp=.
3606         * doc/invoke.texi (ARM Options): Document -mtp.
3607
3608 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3609
3610         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3611         * config/arm/libunwind.S: Include "lib1funcs.asm".
3612         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3613         (LIB2ADDEH): Add libunwind.S.
3614         (LIB2ADDEHDEP): Add lib1funcs.asm.
3615         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3616
3617 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3618
3619         PR fortran/18452
3620         * gcc/c.opt: Add a -lang-fortran option.
3621         * gcc/c-opts.c: Add a lang_fortran flag.
3622         (c_common_init_options): Handling the -lang-fortran option.
3623         (c_common_handle_option): Add a case for Fortran options in
3624         preprocessing. Remove cases for -ffixed-form and
3625         -ffixed-line-length. Add a case for -lang-fortran.
3626
3627 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3628
3629         * config/rs6000/rs6000.c: Include params.h
3630         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3631         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3632         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3633         (UNSPEC_VPKUWSS): Delete.
3634         (altivec_vpkuhss): Delete.
3635         (altivec_vpkuwss): Delete.
3636         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3637         final condition.
3638         (neg_eq0<mode>): Remove final condition.
3639         (neg_eq<mode>): Remove condition and split-condition.
3640
3641 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3642
3643         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3644         Use associated print macros.
3645
3646 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3647
3648         PR c++/17964
3649         * diagnostic.c (diagnostic_set_info_translated): New function.
3650         (diagnostic_set_info): Use it.  Add comment.
3651         * diagnostic.h (diagnostic_set_info_translated): Declare.
3652
3653 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3654
3655         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3656         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3657         reference only if 'public' is true.
3658         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3659         emit the .hidden directive only if the indirect reference is public.
3660         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3661         Pass it to dw2_force_const_mem.
3662         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3663         * dwarf2out.c (output_cfi): Adjust calls to above function.
3664         (output_call_frame_info): Likewise.
3665         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3666         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3667
3668 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3669
3670         PR tree-optimization/24483
3671         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3672         field to elts if possible.
3673
3674 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3675
3676         PR middle-end/23155
3677         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3678         CONSTRUCTOR.
3679
3680 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3681
3682         Fix PR tree-optimization/24351
3683
3684         * tree-ssa-structalias.c (struct variable_info): Add
3685         collapsed_into.
3686         (get_varinfo_fc): New function to follow collapsing.
3687         (new_var_info): Set collapsed_to to NULL.
3688         (dump_constraint): Follow collapsing.
3689         (build_constraint_graph): Handle collapsing.
3690         (do_simple_structure_copy): Return false if something bad
3691         happened.
3692         (collapse_rest_of_var): New function.
3693         (do_structure_copy): Collapse if do_simple_structure_copy returns
3694         false.
3695
3696 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3697
3698         PR middle-end/24589
3699         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3700         expressions to a statement list instead of gimplifying them.
3701
3702 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3703
3704         PR rtl-optimization/23585
3705         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3706         that can't trap plus a constant integer, if the mode has zero size.
3707
3708 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3709
3710         PR target/24620
3711         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3712         as operand 2.
3713         ("*insv<mode>_reg_extimm"): Likewise.
3714
3715 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3716
3717         PR c/24329
3718         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3719         c_common_type_for_mode returns an unnamed type.
3720
3721 2005-11-02  Richard Henderson  <rth@redhat.com>
3722
3723         PR target/9350
3724         PR target/24374
3725         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3726         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3727         * function.c (assign_parms): Use calls.internal_arg_pointer.
3728         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3729         code.
3730         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3731         (TARGET_CALLS): Add it.
3732         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3733         * targhooks.c (default_internal_arg_pointer): New.
3734         * targhooks.h (default_internal_arg_pointer): Declare.
3735         * tree.h (dwarf2out_reg_save_reg): Declare.
3736         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3737         * config/i386/i386.c (dbx_register_map): Add return column.
3738         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3739         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3740         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3741         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3742         (ix86_save_reg): Save force_align_arg_pointer.
3743         (ix86_emit_save_regs): Make regno unsigned.
3744         (ix86_emit_save_regs_using_mov): Likewise.
3745         (ix86_expand_prologue): Handle force_align_arg_pointer.
3746         (ix86_expand_epilogue): Likewise.
3747         * config/i386/i386.h: (dbx_register_map): Update.
3748         (dbx64_register_map, svr4_dbx_register_map): Update.
3749         (struct machine_function): Add force_align_arg_pointer.
3750         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3751         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3752         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3753
3754 2005-11-02  Jan Hubicka  <jh@suse.cz>
3755
3756         PR target/23303
3757         * i386.md: Add peep2 for simplyfing array accesses.
3758
3759 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3760
3761         PR target/24615
3762         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3763         * config/s390/s390.c (s390_decompose_shift_count): New function.
3764         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3765         (print_shift_count_operand): Use s390_decompose_shift_count.
3766         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3767         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3768
3769 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3770
3771         PR target/24600
3772         * loop.c (loop_givs_rescan): Use force_operand to expand
3773         complex GIVs.
3774
3775 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3776
3777         PR 22429
3778         * fold-const.c (build_range_check): Use unsigned when signed
3779         overflow is undefined also.  If etype is subtype, make sure that
3780         the subtraction is in the supertype.
3781
3782 2005-11-02  Richard Henderson  <rth@redhat.com>
3783
3784         PR target/24178
3785         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3786         by MEM_ALIGN.
3787
3788 2005-11-01  Richard Henderson  <rth@redhat.com>
3789
3790         PR 21518
3791         * loop.c (scan_loop): Do not propagate computations to a hard
3792         register destination with SMALL_REGISTER_CLASSES.
3793
3794 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3795
3796         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3797         costs for MULT inside PLUS or MINUS.
3798
3799 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3800
3801         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3802         (TRAMPOLINE_SIZE): Round up to 60.
3803         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3804
3805 2005-10-31  James E. Wilson  <wilson@specifix.com>
3806
3807         PR debug/24444
3808         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3809         ifdef.  Put ifdefs around call in gen_subprogram_die.
3810         (compute_frame_pointer_to_cfa_displacement): Likewise.
3811         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3812         not defined.
3813
3814         PR rtl-optimization/17356
3815         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3816         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3817
3818 2005-10-31  Jan Hubicka  <jh@suse.cz>
3819
3820         PR middle-end/24093
3821         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3822
3823         PR target/20928
3824         * i386.c (legitimize_pic_address): Deal with large immediates.
3825
3826         PR profile/20815
3827         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3828         from symbol names while computing checkup.
3829
3830         PR profile/24487
3831         * predict.c (predict_loops): Do not estimate more than
3832         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3833         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3834
3835 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3836
3837         PR tree-optimization/19097
3838         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3839
3840 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3841
3842         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3843
3844 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3845
3846         PR middle-end/23492
3847         * tree-inline.c (setup_one_parameter): If the init_stmt
3848         is NULL, don't insert the statement.
3849
3850 2005-10-30  Jan Hubicka  <jh@suse.cz>
3851
3852         PR tree-optimization/24172
3853         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3854
3855 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3856
3857         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3858         constants for hosts with long != 32 bits.
3859
3860 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3861
3862         PR middle-end/24093
3863         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3864
3865 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3866
3867         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3868         (TARGET_MS1_16_002): New.
3869         (TARGET_MS1_16_003): New.
3870
3871         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3872         ("*decrement_and_branch_until_zero_no_clobber"): New.
3873         Add corresponding splitter for decrement_and_branch_until_zero
3874         instruction.
3875         Key all decrement_and_branch_until_zero patterns off of
3876         TARGET_MS1_16_003.
3877
3878 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3879
3880         PR middle-end/24362
3881         * tree-complex.c (extract_component): Treat RESULT_DECL
3882         like the rest of the decls.
3883
3884 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3885
3886         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3887         indirect call to _mcount if the function needs a static chain.
3888
3889 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3890             Caroline Tice  <ctice@apple.com>
3891
3892         PR rtl-optimization/24460
3893         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3894         (dwarf2out_switch_text_section): Set it to true instead of
3895         incrementing separate_line_info_table_in_use.
3896         (output_loc_list): Additionally test have_switched_text_sections.
3897         (output_ranges): Likewise.
3898         (dwarf2out_finish): Likewise.
3899         * varasm.c (assemble_start_function): Do not call
3900         insert_section_boundary_note.
3901         (assemble_end_function): If flag_reorder_blocks_and_partition,
3902         switch to the function's section before emitting the .size directive.
3903         * bb-reorder.c (insert_section_boundary_note): Staticify.
3904         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3905         * output.h (insert_section_boundary_note): Delete.
3906
3907 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3908
3909         PR c/23103
3910         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3911         instead of pointer equality when comparing types.
3912
3913 2005-10-24  James E. Wilson  <wilson@specifix.com>
3914
3915         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3916         add_dependence_list_and_free calls.
3917
3918 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3919
3920         * contrib.texi: Add the names of the LLNL folks who donated
3921         Cray pointer support for gfortran.
3922
3923 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3924
3925         PR tree-optimization/24225
3926         * profile.c (branch_prob): Look from end to start through a
3927         basic block when looking for a locus.
3928
3929 2005-10-24  Richard Henderson  <rth@redhat.com>
3930
3931         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3932         parallel.
3933         (hppa_expand_prologue): Likewise.
3934
3935 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3936
3937         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3938         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3939         * pa.h (NO_PROFILE_COUNTERS): Define.
3940         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3941         (funcdef_nos): New vector to hold label numbers of deferred profile
3942         counters.
3943         (output_deferred_profile_counters): New function.
3944         (hppa_profile_hook): Push label number onto funcdef_nos.
3945         (pa_hpux_file_end): Call output_deferred_profile_counters if
3946         NO_DEFERRED_PROFILE_COUNTERS is false.
3947
3948         * pa-protos.h (get_deferred_plabel): New prototype.
3949         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3950         Make global.
3951         (output_call): Adjust calls.
3952
3953 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3954
3955         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3956         peculiarity of GOT/TOC section usage.
3957
3958 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3959
3960         PR objc/24435
3961          * c-common.c (constant_string_class_name): Add documentation.
3962
3963 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3964
3965         PR target/23832
3966         * recog.c (peephole2_optimize): Increment peep2_current_count
3967         only when the slot is empty.
3968
3969 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3970
3971         PR ada/23957
3972         * except.c (output_function_exception_table): Call
3973         assemble_external_libcall if we need a personality function.
3974
3975 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3976
3977         PR rtl-optimization/24460
3978         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3979         set the basic block for barriers.
3980
3981 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3982
3983         * var-tracking.c (vt_initialize): Initialize post.
3984
3985 2005-10-21  Devang Patel  <dpatel@apple.com>
3986
3987         PR/24220
3988         * c-common.c (vector_types_convertible_p): Check vector element type.
3989
3990 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3991
3992         * config/sh/sh.c (prepare_move_operands): Handle the address
3993         constant which is a tls symbolic address plus a constant.
3994
3995 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3996
3997         PR driver/24473
3998         * gcc.c (main): Use the correct counter for erroring out
3999         about mulitple files.
4000
4001 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4002
4003         PR target/24465
4004         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4005         use r2 for 64-bit tls .got access.
4006
4007 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4008
4009         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4010         TRUTH_OR_EXPR.
4011
4012 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4013
4014         PR tree-optimization/24307
4015         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4016
4017 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4018
4019         PR middle-end/24295
4020         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4021         alias targets.
4022         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4023         is ready, stop marking functions, but still mark variables.
4024
4025 2005-10-20  Richard Guenther  <rguenther@suse.de>
4026
4027         PR c++/24439
4028         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4029         void type operands.
4030
4031 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4032
4033         PR rtl-optimization/23585
4034         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4035         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4036         (may_trap_p_1): New predicate extracted from...
4037         (may_trap_p): ... here.  Invoke may_trap_p_1.
4038         (may_trap_or_fault_p): New predicate.
4039         * rtl.h (may_trap_or_fault_p): Declare it.
4040         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4041         instead of may_trap_p.
4042         (steal_delay_list_from_fallthrough): Likewise.
4043         (fill_simple_delay_slots): Likewise.
4044         (fill_slots_from_thread): Likewise.
4045         * function.c (pad_to_arg_alignment): Rework comment about
4046         SPARC_STACK_BOUNDARY_HACK.
4047         * config/sparc/sparc.h: Likewise.
4048
4049 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4050
4051         * config/s390/s390.c (s390_expand_insv): New.
4052         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4053         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4054         ("icm_hi"): Remove mode attribute.
4055         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4056         Adjust all uses.
4057         ("*extracthi", "*extractqi"): Remove.
4058         (extv<mode>", "*extzv<mode>"): New.
4059         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4060         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4061
4062 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4063
4064         * cfgexpand.c (discover_nonconstant_array_refs_r,
4065         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4066         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4067         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4068         discover_nonconstant_array_refs.
4069
4070 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4071
4072         PR c/23228
4073         * c-decl.c (pop_scope): Don't warn about an unused variable
4074         if it is marked with TREE_NO_WARNING.
4075         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4076         somenow mismatch and olddecl is to be replaced.
4077
4078 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4079
4080         PR middle-end/23199
4081         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4082         whether registers live on the edge can be saved/restored.
4083
4084 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4085
4086         * config/sh/sh.c (fixup_mova): Skip notes.
4087
4088 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4089
4090         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4091         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4092         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4093         (s390_initial_elimination_offset): Likewise.
4094         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4095         register on TARGET_ZARCH targets.
4096         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4097         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4098         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4099         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4100
4101 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4102
4103         * config/s390/s390.md: Comment describing output modifiers updated.
4104         * config/s390/s390.c (print_operand): Likewise.
4105
4106 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4107
4108         * config/s390/s390.c (override_options): Added check for -mstack-size
4109         64k limitation.
4110         * doc/invoke.texi: Mention that limit in the documenation.
4111
4112 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4113
4114         PR #19672
4115         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4116
4117 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4118
4119         Fix PR tree-optimization/24231
4120
4121         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4122         (compute_avail): Ditto.
4123
4124 2005-10-18  Richard Henderson  <rth@redhat.com>
4125
4126         PR target/24428
4127         * config/i386/i386.c (legitimate_constant_p): Check
4128         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4129         if LABEL_REF.
4130         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4131         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4132         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4133         directly.
4134         (print_operand_address): Likewise.
4135         * config/i386/predicates.md (x86_64_immediate_operand): Test
4136         SYMBOL_REF_TLS_MODEL properly inside CONST.
4137         (x86_64_zext_immediate_operand): Likewise.
4138         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4139         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4140         * config/i386/i386-protos.h: Remove predicates.md entries.
4141
4142 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4143
4144         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4145         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4146
4147 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4148             Ian Lance Taylor <ian@airs.com>
4149
4150         PR middle-end/23522
4151         * fold-const.c (fold_widened_comparison): Do not allow range based
4152         constant folding when right operand cannot be unwidened.
4153
4154 2005-10-17  Richard Henderson  <rth@redhat.com>
4155
4156         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4157         with a memory clobber.
4158
4159 2005-10-17  James E Wilson  <wilson@specifix.com>
4160
4161         PR rtl-optimization/17356
4162         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4163         checking for EDGE_EH.
4164
4165 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4166
4167         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4168         the slot on an even boundary for any type with 16-byte alignment.
4169
4170 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4171
4172         PR target/23424
4173         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4174         after register allocation.
4175
4176 2005-10-17  DJ Delorie  <dj@redhat.com>
4177
4178         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4179         as frame related.
4180
4181 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4182
4183         PR c++/22551
4184         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4185         overflow flags.
4186
4187 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4188
4189         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4190         to 2 if it's already non-zero.
4191         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4192         is set and warn about it if flag_schedule_insns is 1.
4193
4194 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4195
4196         * config/crx/crx.md: Compare-and-branch instructions need to
4197         invalidate CC.
4198
4199 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4200
4201         PR target/24315
4202         * config/i386/i386.md (*pushdi2_rex64 splitter)
4203         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4204         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4205         flow2 pass only when (optimize > 0 && flag_peephole2).
4206
4207 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4208
4209         PR driver/22544
4210         * gcc.c (have_c): New static variable.
4211         (have_o): Likewise.
4212         (process_command): Remove declation of have_c.
4213         Set have_o to 1 when handling -o.
4214         (main): Add a fatel error if there are multiple
4215         files specified and -o and -c/-S is passed witout
4216         -combine or multiple languages.
4217
4218 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4219
4220         Fix PR tree-optimization/22444
4221         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4222         Assert that we don't hit something with subvars.
4223         (setup_pointers_and_addressables): Don't add things with subvars,
4224         because we'll already process the subvars for aliasing purposes.
4225
4226 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4227
4228         PR target/23424
4229         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4230         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4231         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4232         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4233         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4234         swapped, alternatives for the R constraint.
4235
4236         PR middle-end/24341
4237         * builtins.c (get_builtin_sync_mode): Make unlimited
4238         mode_for_size request.
4239
4240 2005-10-15  Richard Henderson  <rth@redhat.com>
4241
4242         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4243         (gimplify_expr): ... here.
4244         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4245         fb_lvalue in base expression.
4246
4247 2005-10-15  Richard Henderson  <rth@redhat.com>
4248
4249         PR 23714
4250         * builtins.c (expand_builtin_trap): Export.
4251         * expr.h (expand_builtin_trap): Declare.
4252         * expr.c (expand_assignment): Emit a trap for integral offsets
4253         from registers that weren't reduced to bitpos.
4254
4255         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4256         (mark_array_ref_addressable): Remove.
4257         * tree-flow.h (mark_array_ref_addressable): Remove.
4258         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4259
4260 2005-10-15  James E Wilson  <wilson@specifix.com>
4261
4262         PR target/24232
4263         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4264         (add_dependence_list_and_free): Likewise.
4265         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4266         call.
4267
4268 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4269
4270         PR 23141
4271         PR 23142
4272         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4273         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4274         anti-range.
4275         (vrp_visit_phi_node): Only prevent infinite iterations when
4276         the previous result and the new result are both VR_RANGEs.
4277
4278 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4279
4280         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4281         function comment.
4282
4283 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4284
4285         PR c/23439
4286         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4287         to initialize loc.
4288
4289 2005-10-14  Per Bothner  <per@bothner.com>
4290
4291         PR preprocessor/21250
4292         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4293
4294 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4295
4296         PR c++/22551
4297         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4298         overflow flags.  Refactor some conditionals.
4299
4300 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4301
4302         PR tree-opt/21304
4303         * tree-dfa.c (add_referenced_var): Only look at decls which
4304         have TREE_CONSTANT or TREE_READONLY set instead of if
4305         !TREE_PUBLIC or !TREE_CONSTANT.
4306
4307 2005-10-13  James E Wilson  <wilson@specifix.com>
4308
4309         * doc/invoke.texi: For -x, add f95-cpp-input.
4310         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4311
4312 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4313
4314         PR tree-optimization/24262
4315         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4316         in loop all the time.
4317
4318 2005-10-12  Richard Henderson  <rth@redhat.com>
4319
4320         PR c/24255
4321         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4322         * function.c (assign_parm_find_data_types): Don't support it.
4323         * print-tree.c (print_node): Likewise.
4324         * c-common.c (handle_transparent_union_attribute): Likewise.
4325         Use build_duplicate_type.
4326         * tree-inline.c (remap_type_1): Split out of remap_type;
4327         properly remap aggregate fields.
4328         (build_duplicate_type): New.
4329         * doc/extend.texi (Variable Attributes): Remove documentation
4330         for transparent_union.
4331
4332 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4333
4334         PR target/24284
4335         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4336         (gen_stack_pointer_dec): Likewise.
4337
4338 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4339
4340         PR middle-end/21275
4341         PR middle-end/21766
4342         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4343         target hook.
4344         (struct cxx): Add adjust_class_at_definition target hook.
4345         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4346         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4347         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4348         hook_void_tree. Add to TARGET_CXX.
4349         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4350         dllimport_flag.
4351         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4352         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4353         instead of attribute. Check for dllexport override.  Warn if
4354         inconsistent dll linkage. Don't lose old dllimport if decl has
4355         had address referenced.   Tweak lookup of dllimport atribute.
4356         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4357         for target specific rules.  Don't add dllimport attribute if
4358         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4359         dllimport attribute.
4360         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4361         * varasm.c (initializer_constant_valid_p): Replace
4362         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4363
4364         PR target/21801
4365         PR target/23589
4366         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4367         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4368         (i[34567]86-*-mingw32*): Likewise.
4369
4370         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4371         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4372
4373         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4374         C++-specific code. Change return value to bool.
4375         (i386_pe_dllimport_p): Likewise.
4376         (associated_type): Simplify and make language-independent
4377         (i386_pe_encode_section_info): Replace override of ambiguous
4378         dllimport symbol refs with a gcc_assert.
4379         (i386_pe_valid_dllimport_attribute_p): Define.
4380         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4381         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4382         i386_pe_adjust_class_at_definition.
4383         * config/i386/winnt-stubs.c: New file. Define stub versions of
4384         lang-specific functions.
4385         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4386         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4387         i386_pe_adjust_class_at_definition.
4388         (i386_pe_valid_dllimport_attribute_p): Declare.
4389         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4390         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4391         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4392
4393         PR target/19704
4394         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4395         dllimport attribute with test of DECL_DLLIMPORT_P.
4396
4397 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4398
4399         * combine.c (make_extraction): Correct offset computation.
4400
4401 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4402
4403         * config/cris/t-linux (LIMITS_H_TEST): Define.
4404
4405 2005-10-12  Richard Henderson  <rth@redhat.com>
4406
4407         PR rtl-opt/23324
4408         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4409
4410 2005-10-12  Richard Guenther  <rguenther@suse.de>
4411
4412         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4413
4414 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4415
4416         PR c++/19964
4417         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4418         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4419         type.
4420
4421 2005-10-12  Richard Guenther  <rguenther@suse.de>
4422
4423         PR c++/23799
4424         * varasm.c (output_constant): Correct typo from previous
4425         patch by DJ.
4426
4427 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4428
4429         PR rtl-optimization/13931
4430         * combine.c: Revert patch of 2003-05-14, and:
4431         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4432         completely killed in the appropriate insn.
4433         (distribute_notes): Don't skip multiple hard register test for
4434         elim_i1 and elim_i2.
4435
4436 2005-10-11  Richard Henderson  <rth@redhat.com>
4437
4438         PR c/24255
4439         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4440         to initialize a transparent union instead of a nop_expr.
4441
4442 2005-10-11  Richard Henderson  <rth@redhat.com>
4443
4444         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4445         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4446         (tree_ssa_dce_loop): Call scev_reset.
4447
4448         PR tree-opt/24300
4449         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4450         * tree-ssa-dce.c: Include cfgloop.h.
4451         (tree_ssa_dce_loop, pass_dce_loop): New.
4452         * tree-pass.h (pass_dce_loop): Declare it.
4453         * passes.c (init_optimization_passes): Use it.
4454
4455 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4456
4457         PR middle-end/24263
4458         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4459         Only apply the optimization for rounding builtins if the inner
4460         cast is also an extension.
4461
4462 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4463
4464         PR tree-opt/23946
4465         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4466         mark_new_vars_to_rename instead of update_stmt.
4467
4468 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4469
4470         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4471
4472 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4473
4474         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4475         for setting MMX register to 0 rather than mmx.
4476
4477 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4478
4479         PR target/12098
4480         * configure.ac: Move gas check from mips specific case to common case.
4481         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4482         * configure: Regenerate
4483         * doc/install.texi: Update.
4484
4485 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4486
4487         PR target/24284
4488         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4489
4490 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4491
4492         * gcc.c (do_spec_1): Accept numeric characters in file name
4493         suffixes.
4494
4495 2005-10-10  Nick Clifton  <nickc@redhat.com>
4496
4497         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4498         describing the deleted arm_gen_rotated_half_load function.
4499
4500 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4501
4502         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4503         __fpscr_values.
4504
4505 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4506
4507         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4508         gnu_ld assignments.
4509         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4510         (EXTRA_MULTILIB_PARTS): Define.
4511         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4512         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4513         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4514         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4515         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4516         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4517
4518 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4519
4520         PR tree-optimization/24226
4521         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4522         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4523         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4524         Export.
4525
4526 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4527
4528         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4529
4530 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4531
4532         PR target/24136
4533         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4534         Rewrite for no need for the early clobber.
4535
4536 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4537
4538         Merge from csl-arm-branch:
4539         2005-09-07  Paul Brook  <paul@codesourcery.com>
4540         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4541         space to string.
4542
4543         2005-04-30  Paul Brook  <paul@codesourcery.com>
4544         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4545         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4546
4547         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4548         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4549         (arm_override_options): Use TARGET_AAPCS_BASED.
4550         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4551         (PTRDIFF_TYPE): Use int for AAPCS.
4552         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4553         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4554         (DEFAULT_SHORT_ENUMS): Delete.
4555         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4556
4557         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4558         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4559         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4560         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4561
4562         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4563         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4564
4565         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4566         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4567
4568         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4569         * config.gcc (arm*-*-linux-gnueabi): Add it.
4570         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4571         redefining it.
4572         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4573         * config/arm/linux-eabi.h: New file.
4574         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4575         (LINUX_TARET_LINK_SPEC): Likewise.
4576         (LINK_SPEC): Use it.
4577         * config/arm/t-linux-eabi: New file.
4578
4579 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4580
4581         PR other/22202
4582         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4583         spaces.
4584         (PARAM_SMS_DFA_HISTORY): Likewise.
4585
4586 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4587
4588         PR middle-end/23150
4589         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4590         (load_register_parameters): Call it.
4591         (check_sibcall_argument_overlap_1): Likewise.
4592         (store_one_arg): Likewise.
4593
4594 2005-10-07  James E. Wilson  <wilson@specifix.com>
4595
4596         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4597         DImode not VECINT24 for operand 2.
4598
4599         PR target/23644
4600         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4601         -mtune-arch.
4602
4603         PR target/24193
4604         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4605         fr_spill): Use destination_operand for operand 0.
4606
4607 2005-10-07  DJ Delorie  <dj@redhat.com>
4608
4609         * varasm.c (output_constant): Limit error to expanding
4610         conversions.
4611
4612 2005-10-07  Richard Guenther  <rguenther@suse.de>
4613
4614         PR middle-end/24227
4615         * fold-const.c (fold_binary): Fix operand types during folding
4616         of X op (A, Y).  Evaluation order of the side-effects of
4617         X and A are frontend-defined, so ensure we honour that even for
4618         tcc_comparison class operands; eased by removing duplicate code.
4619
4620 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4621
4622         * stor-layout.c (layout_type): Do not allow alignment of array
4623         elements to be greater than their size.
4624
4625 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4626
4627         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4628         host_xmake_file.
4629         (hppa*-*-linux*): Ditto.
4630         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4631         * config/host-hpux.c: New.
4632         * config/x-hpux: New.
4633         * config/pa/x-hpux: Remove.
4634         * config/pa/x-linux: Remove.
4635         * config/pa/pa-host.c: Remove.
4636
4637 2005-10-07  Jeff Law  <law@redhat.com>
4638
4639         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4640         determine whether or not to try and thread outgoing edges.
4641
4642 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4643
4644         * config/rs6000/rs6000.md (eqsi_power): New.
4645         (neg_eq0si): Add TARGET_POWER to final condition.
4646         (neg_eqsi): Same.
4647
4648 2005-10-06  Richard Henderson  <rth@redhat.com>
4649
4650         * config/rs6000/rs6000.c: Revert last change.
4651
4652 2005-10-06  Richard Henderson  <rth@redhat.com>
4653
4654         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4655         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4656
4657 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4658
4659         PR middle-end/22216
4660         PR middle-end/23651
4661         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4662         out return_label and naked_return_label.
4663
4664 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4665
4666         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4667         change.
4668
4669 2005-10-06  Richard Henderson  <rth@redhat.com>
4670
4671         PR tree-opt/22237
4672         * tree-inline.c (declare_return_variable): Handle modify_dest not
4673         being a DECL.
4674
4675 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4676
4677         Fix PR tree-optimization/22488
4678         * tree-ssa-structalias.c (check_for_overlaps): New function.
4679         (create_variable_info_for): Use it.
4680
4681 2005-10-06  Richard Henderson  <rth@redhat.com>
4682
4683         PR debug/24070
4684         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4685         (dwarf2out_start_source_file): Print it.
4686
4687 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4688
4689         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4690
4691 2005-10-06  Richard Henderson  <rth@redhat.com>
4692
4693         PR 23706
4694         * mode-switching.c (optimize_mode_switching): Clear transp bit
4695         for block with incomming abnormal edges.
4696
4697         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4698         (fpscr_set_from_mem): Use them.
4699         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4700         (fpscr postinc splitters): Rewrite as peephole2+split.
4701
4702 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4703
4704         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4705         (eq<mode>_compare): Same.
4706
4707 2005-10-06  Richard Guenther  <rguenther@suse.de>
4708
4709         PR tree-optimization/24238
4710         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4711
4712 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4713
4714         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4715         here.  Use AC_PATH_PROG for environment variables instead of
4716         test -x.
4717         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4718         objdump also.
4719         * configure: Regenerated.
4720
4721 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4722
4723         PR target/23783
4724         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4725         then force it into a register.
4726         (call_value): Likewise.
4727
4728 2005-10-06  Richard Henderson  <rth@redhat.com>
4729
4730         PR 24049
4731         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4732         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4733         under pass_vectorize.
4734
4735 2005-10-05  Devang Patel  <dpatel@apple.com>
4736
4737         PR Debug/23205
4738         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4739         handling constants. Check NAMESPACE_DECL context for constants.
4740
4741 2005-10-05  Eric Christopher  <echristo@apple.com>
4742
4743         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4744
4745 2005-10-05  Richard Henderson  <rth@redhat.com>
4746
4747         PR 23714
4748         * tree-cfg.c (mark_array_ref_addressable_1): New.
4749         (mark_array_ref_addressable): New.
4750         * tree-flow.h (mark_array_ref_addressable): Declare.
4751         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4752
4753 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4754
4755         PR middle-end/20606
4756         PR middle-end/24069
4757         * reload.c (subst_reloads): When adding a REG_LABEL to a
4758         jump instruction, also update JUMP_LABEL.
4759
4760 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4761
4762         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4763         * bb-reorder.c (copy_bb_p): Use it.
4764         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4765
4766 2005-10-05  Richard Henderson  <rth@redhat.com>
4767
4768         PR target/23602
4769         * toplev.c (process_options): Warn about unsupported combinations
4770         of unwind tables and omit-frame-pointer.
4771         * config/i386/i386.c (override_options): Similarly.  Enable
4772         accumulate-outgoing-args if not explicitly disabled.
4773
4774 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4775
4776         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4777         Handle big endian vs. small endian.
4778         (vec_initv2sf): Handle big endian vs. small endian.
4779         (*vec_extractv2sf_1): Ditto.
4780
4781 2005-10-05  Dale Johannesen  <dalej@apple.com>
4782
4783         * convert.c (convert_to_real):  Don't convert
4784         (float)floor(double d) to floorf((float)d).
4785
4786 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4787
4788         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4789
4790 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4791
4792         PR tree-optimization/18587
4793         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4794         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4795         build_vuses): Change to VEC type.
4796         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4797         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4798         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4799         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4800         (get_name_decl): New.  Return DECL_UID of base variable.
4801         (operand_build_cmp): New.  qsort comparison routine.
4802         (operand_build_sort_virtual): New.  Sort virtual build vector.
4803         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4804         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4805         (FINALIZE_BASE): Use get_name_decl.
4806         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4807         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4808         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4809         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4810         direct VEC_* manipulations.
4811         (build_ssa_operands): Call operand_build_sort_virtual.
4812         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4813         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4814         with direct VEC_* manipulations.
4815         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4816         with direct VEC manipulations.
4817
4818 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4819
4820         PR tree-optimization/21419
4821         PR tree-optimization/24146
4822         PR tree-optimization/24151
4823
4824         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4825         (build_asm_expr): Call it if outputs are read-only.
4826         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4827
4828 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4829             Paolo Bonzini  <bonzini@gnu.org>
4830
4831         PR target/23809
4832
4833         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4834         enable the instructions and not just the built-ins.
4835         * doc/invoke.texi (x86 Options): Likewise.
4836
4837 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4838
4839         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4840
4841         * doc/invoke.texi (Option Summary): Correct spelling
4842         of -mmacosx-version-min.
4843
4844 2005-10-04  Devang Patel  <dpatel@apple.com>
4845
4846         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4847         real types.
4848
4849 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4850
4851         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4852         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4853
4854 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4855
4856         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4857         ("TE","tg"): New mode attributes.
4858         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4859         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4860         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4861         dword_mode and one for GPRmode.
4862
4863 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4864
4865         PR preprocessor/13726
4866         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4867         any comments passed in.
4868
4869 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4870
4871         * tree.c (annotate_with_file_line): Fix typo.
4872
4873 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4874
4875         PR ada/19382
4876         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4877         type used to access data in the inlined length == 1 case, use
4878         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4879         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4880
4881 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4882
4883         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4884         TARGET_SSE3 and only for TARGET_80387.
4885         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4886         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4887         Do not depend on TARGET_80387.
4888
4889 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4890
4891         * tree.c (last_annotated_node): Change type to location_t*.
4892         (annotate_with_file_line): Reflect the change of
4893         last_annotated_node type.
4894
4895 2005-10-04  Richard Guenther  <rguenther@suse.de>
4896
4897         PR c/23576
4898         * c-decl.c (grokdeclarator): Don't write to fields
4899         of error_mark_node.
4900
4901 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4902
4903         PR middle-end/23125
4904         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4905         register variables.
4906         * varasm.c (make_decl_rtl): If a register variable does not
4907         have a set user assmbler name, error out.
4908         Decode the asmspec is now name+1 bypassing '*'.
4909
4910 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4911
4912         PR tree-optimization/23049
4913         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4914         of a COND_EXPR is folded before calling fold on the whole rhs of a
4915         conditional assignment.
4916         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4917         document that a COND_EXPR may appear there.
4918
4919 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4920
4921         PR 23445
4922         * tree-vrp.c (extract_range_from_assert): If the new numeric
4923         range created out of the assertion contradicts the existing
4924         numeric range of the ASSERT_EXPR variable, make the new range
4925         varying.
4926
4927 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4928
4929         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4930         from T_REGS to FP register class.
4931
4932 2005-10-03  Richard Henderson  <rth@redhat.com>
4933
4934         PR 24135
4935         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4936         before creating a new one.
4937
4938 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4939
4940         * config/rs6000/t-aix43 (LDFLAGS): New.
4941         * config/rs6000/t-aix52 (LDFLAGS): New.
4942
4943 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4944
4945         * gimplify.c (find_single_pointer_decl_1): New static function.
4946         (find_single_pointer_decl): New static function.
4947         (internal_get_tmp_var): For a formal variable, set restrict base
4948         information if appropriate.
4949         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4950         return it.
4951         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4952         (DECL_GET_RESTRICT_BASE): Define.
4953         (SET_DECL_RESTRICT_BASE): Define.
4954         (decl_restrict_base_lookup): Declare.
4955         (decl_restrict_base_insert): Declare.
4956         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4957         * tree.c (restrict_base_for_decl): New static variable.
4958         (init_ttree): Initialize restrict_base_for_decl.
4959         (copy_node_stat): Copy restrict base information.
4960         (decl_restrict_base_lookup): New function.
4961         (decl_restrict_base_insert): New function.
4962         (print_restrict_base_statistics): New static function.
4963         (dump_tree_statistics): Call print_restrict_base_statistics.
4964
4965 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4966
4967         PR 24142
4968         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4969         case of anti-ranges.
4970
4971 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4972
4973         PR c/18851
4974         * c-typeck.c (tagged_tu_seen): Rename to ...
4975         (tagged_tu_seen_cache): this and add val field.
4976         (comptypes): Move functional to comptypes_internal
4977         and free tagged_tu_seen.
4978         (comptypes_internal): New function and call comptypes_internal
4979         instead of comptypes. Speed up by sibcalling
4980         tagged_types_tu_compatible_p.
4981         (alloc_tagged_tu_seen): New function
4982         (free_all_tagged_tu_seen_up_to): New function.
4983         (tagged_types_tu_compatible_p): Return the val of the seen two
4984         types.
4985         Add that the two types are the same to tagged_tu_seen_base
4986         if they are and call comptypes_internal instead of comptypes.
4987         <case UNION_TYPE>: Speed up common type where the fields are
4988         in the same order.
4989         (function_types_compatible_p): Call comptypes_internal instead of
4990         comptypes.
4991         (type_lists_compatible_p): Likewise.
4992         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4993
4994 2005-10-02  Matthias Klose  <doko@debian.org>
4995
4996         * doc/invoke.texi: Fix typo and speling error.
4997
4998 2005-10-01  Richard Henderson  <rth@redhat.com>
4999
5000         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5001
5002 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5003
5004         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5005         using --start-group and --end-group.
5006
5007 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5008
5009         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5010         FIXME note regarding quirky semantics.
5011
5012 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5013
5014         PR 24141
5015         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5016         non-null range as a last resort.
5017
5018 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5019             Diego Novillo  <dnovillo@redhat.com>
5020
5021         PR 23604
5022         * tree-vrp.c (extract_range_from_assert): For !=
5023         assertions, only build an anti-range if LIMIT is a
5024         single-valued range.
5025
5026 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5027
5028         * arm.md (movqi): On thumb when optimizing, handle loading from
5029         memory by describing this as taking a subreg of a zero-extended load
5030         into an SImode register.
5031         (movhi): Likewise.
5032
5033 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5034
5035         * reload1.c (merge_assigned_reloads): Do not change any
5036         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5037
5038 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5039
5040         * Makefile.in (LIPO_FOR_TARGET): Define.
5041         (STRIP_FOR_TARGET): Define.
5042
5043         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5044         before creating new ones.  Do symlinks before creating the actual
5045         targets.
5046
5047         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5048         to work out which multilibs are actually being built.
5049
5050 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5051
5052         * tree-vect-transform.c, config/ms1/ms1.md,
5053         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5054         Follow spelling conventions.
5055         * doc/invoke.texi, doc/md.texi: Fix typos.
5056
5057 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5058
5059         PR tree-optimization/21430
5060         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5061         use operands, and set stmt pointer if need be.
5062         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5063         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5064         present.
5065
5066 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5067
5068         PR middle-end/24053
5069         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5070
5071 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5072
5073         * optabs.c (expand_binop): Initialize first_pass_p.
5074
5075 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5076
5077         PR middle-end/24109
5078         * c-decl.c (c_write_global_declarations_1): If any
5079         wrapup_global_declaration_2 call returned true, restart the loop.
5080
5081 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5082
5083         Fix PR tree-optimization/24117
5084         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5085         before considering whether to use anyoffset.
5086
5087 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5088
5089         Revert this patch:
5090
5091         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5092
5093         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5094         to order operands.
5095         (swap_commutative_operands_with_target): New.
5096
5097 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5098
5099         PR c/21419
5100         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5101         read-only.
5102
5103 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5104
5105         PR tree-optimization/23911
5106         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5107         and IMAGPART_EXPR too.
5108
5109 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5110
5111         PR 17886
5112         * expmed.c (expand_shift): Move logic to reverse rotation
5113         direction when  rotating by constants ...
5114         * optabs.c (expand_binop): ... here.
5115         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5116         (ix86_rotrdi3): New pattern.
5117         (rotldi3): Handle 32-bit mode.
5118         (ix86_rotldi3): New pattern.
5119
5120 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5121
5122         PR target/24102
5123         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5124         check for numbers that need no bit twiddle.
5125
5126 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5127
5128         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5129         multilib to be built.
5130
5131         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5132         (stage1-start): Delete old libgcc and libunwind before moving
5133         anything into the stage directory.
5134         (stage2-start): Likewise.
5135         (stage3-start): Likewise.
5136         (stage4-start): Likewise.
5137         (stageprofile-start): Likewise.
5138         (stagefeedback-start): Likewise.
5139         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5140         header in tm_file and CPU-specific t-darwin in tmake_file.
5141         (i[34567]86-*-darwin*): Don't change tm_file.
5142         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5143         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5144         shared library stub for target OS version.
5145         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5146         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5147         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5148         (libgcc_s.%.dylib): New.
5149         (LIBGCC): Define.
5150         (install-darwin-libgcc-stubs): New.
5151         (INSTALL_LIBGCC): New append.
5152         * config/i386/darwin-libgcc.10.4.ver: New.
5153         * config/i386/darwin-libgcc.10.5.ver: New.
5154         * config/i386/t-darwin: New.
5155         * config/rs6000/darwin-libgcc.10.4.ver: New.
5156         * config/rs6000/darwin-libgcc.10.5.ver: New.
5157         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5158         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5159
5160 2005-09-28  Paul Brook  <paul@codesourcery.com>
5161
5162         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5163         denormals.
5164
5165 2005-09-28  Richard Guenther  <rguenther@suse.de>
5166
5167         PR tree-optimization/23853
5168         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5169         host_integerp to verify misalignment value.
5170
5171 2005-09-28  Richard Henderson  <rth@redhat.com>
5172
5173         * builtins.c (get_builtin_sync_mode): New.
5174         (expand_builtin_sync_operation): Pass in mode argument.
5175         (expand_builtin_compare_and_swap): Likewise.
5176         (expand_builtin_lock_test_and_set): Likewise.
5177         (expand_builtin_lock_release): Likewise.
5178         (expand_builtin): Update to match.
5179
5180 2005-09-28  Nick Clifton  <nickc@redhat.com>
5181
5182         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5183         formatting.  Add check to PLUS case to ensure that the offset is
5184         within an acceptable range.
5185
5186         * config/v850/v850.md (casesi): Disable the generation of the
5187         switch pattern as it is not being handled properly at the moment.
5188
5189         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5190         for when the high words are identical.
5191
5192 2005-09-27  Richard Henderson  <rth@redhat.com>
5193
5194         * pretty-print.c (pp_base_format): Fix typo for %>.
5195
5196 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5197             Devang Patel  <dpatel@apple.com>
5198
5199         PR tree-optimization/23625
5200         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5201         LABEL_EXPR, assertion check.
5202
5203 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5204
5205         * optabs.c (no_conflict_move_test): Check if a result of a
5206         to-be-moved insn would be clobbered by an originally
5207         preceding insn.
5208
5209 2005-09-27  Jeff Law  <law@redhat.com>
5210
5211         * passes.c (init_optimization_passes): Replace copy propagation
5212         passes immediately after DOM with phi-only copy propagation
5213         pases.  Add phi-only copy propagation pass after first DOM pass.
5214         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5215         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5216         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5217         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5218         to init_copy_prop.  Callers updated.
5219         (do_phi_only_copy_prop): New function.
5220         (pass_phi_only_copy_prop): New pass descriptor.
5221
5222 2005-09-27  Nick Clifton  <nickc@redhat.com>
5223
5224         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5225
5226 2005-09-26  Jason Merrill  <jason@redhat.com>
5227
5228         PR c++/13764
5229         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5230
5231         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5232
5233 2005-09-26  James E Wilson  <wilson@specifix.com>
5234
5235         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5236         copyright.  Add gcc copyright plus libgcc exception.
5237         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5238         copyright.
5239         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5240
5241 2005-09-26  Jeff Law  <law@redhat.com>
5242
5243         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5244         about when to iterate.
5245
5246 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5247
5248         PR target/23847
5249         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5250         for __complex__ double in -mcpu=G5 mode.
5251
5252 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5253
5254         PR tree-optimization/23942
5255         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5256         * tree-scalar-evolution.c: Include params.h.
5257         (t_bool): New enum.
5258         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5259         follow_ssa_edge_in_condition_phi_branch,
5260         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5261         Change return type to t_bool.  Use a parameter to limit the size of
5262         trees that are walked before stopping
5263         (analyze_evolution_in_loop): Initialize the limit to 0.
5264         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5265         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5266
5267 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5268
5269         PR middle-end/23831
5270         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5271         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5272
5273 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5274
5275         * combine.c (make_extraction): Check for valid use of subreg.
5276
5277 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5278
5279         PR target/24055
5280         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5281         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5282         ("fist<mode>2_with_temp"): Use only register operands.
5283
5284 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5285
5286         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5287         CALL_INSN_FUNCTION_USAGE.
5288
5289 2005-09-26  Richard Guenther  <rguenther@suse.de>
5290
5291         PR middle-end/15855
5292         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5293         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5294         (ldst_entry): Use the hashtable instead of list-walking.
5295         (find_rtx_in_ldst): Likewise.
5296         (free_ldst_entry): Free the hashtable.
5297         (compute_ld_motion_mems): Create the hashtable.
5298         (trim_ld_motion_mems): Remove entry from hashtable if
5299         removing it from list.
5300         (compute_store_table): Likewise^2.
5301         (store_motion): Free hashtable in case we did not see
5302         any stores.
5303
5304 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5305
5306         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5307         and arg1 if we are passing them to fold_build2.
5308
5309 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5310
5311         PR 23828
5312         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5313         a nested function.
5314
5315 2005-09-25  Richard Henderson  <rth@redhat.com>
5316
5317         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5318         SYMBOL_REF_TLS_MODEL to be correct.
5319
5320 2005-09-24  Richard Henderson  <rth@redhat.com>
5321
5322         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5323         end of function.  Reindent.
5324
5325 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5326
5327         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5328         NEGATE_EXPR/BIT_NOT_EXPR case.
5329
5330 2005-09-24  Richard Henderson  <rth@redhat.com>
5331
5332         * c-common.c (handle_mode_attribute): When not modifying in place,
5333         create subtypes for enumerations.
5334         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5335         * gimplify.c (create_tmp_from_val): Likewise.
5336
5337 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5338
5339         * config/i386/i386.md (*tls_global_dynamic_64,
5340         *tls_local_dynamic_base_64): Add missing mode to call.
5341         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5342
5343 2005-09-24  Jan Hubicka  <jh@suse.cz>
5344
5345         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5346         (cgraph_clone_node): Likewise.
5347         * cgraph.h (cgraph_clone_edge): Update prototype.
5348         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5349         duplicated prototypes; add updating argument.
5350         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5351         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5352         updating profile.
5353         (cgraph_mark_inline_edge): Likewise.
5354         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5355         (cgraph_flatten_node): Likewise.
5356         (cgraph_decide_recursive_inlining): Likewise.
5357         (cgraph_decide_inlining_of_small_function): Likewise.
5358         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5359
5360 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5361             Pete Steinmetz <steinmtz@us.ibm.com>
5362
5363         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5364         (rldic.): Set type to "compare".
5365         (rldicr.): Same.
5366         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5367         mfjmpr for MFCTR/MFLR.
5368         (movdf_hardfloat64): Same.
5369         (movdf_softfloat64): Same.  Correct order of store and move types.
5370         (movti_string): Set type to store_ux/load_ux.
5371         (load_multiple): Set type to load_ux.
5372         (store_multiple): Set type to store_ux.
5373         (movmemsi): Set type to store_ux.
5374         (output_cbranch direct_return): Set type to jmpreg.
5375         (stmw): Set type to store_ux.
5376         (lmw): Set type to load_ux.
5377         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5378         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5379         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5380         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5381         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5382         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5383         (rios1-fpstore): Increase latency to 3.
5384         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5385         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5386
5387 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5388             Andrew Pinski  <pinskia@physics.uc.edu>
5389
5390         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5391         operand2 constraint to "b".
5392         (sync_<fetchop_name>di_internal): Same.
5393         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5394         to "b".
5395         (sync_old_<fetchop_name>di_internal): Same.
5396         (sync_new_<fetchop_name>si_internal): Same.
5397         (sync_new_<fetchop_name>di_internal): Same.
5398
5399 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5400
5401         PR middle-end/23991
5402         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5403         case, define as macros.
5404
5405         PR rtl-optimization/23837
5406         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5407         clobber / clobber match between dest and p->first.
5408
5409         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5410         (no_conflict_move_test): Update comments.
5411
5412 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5413
5414         * doc/install.texi: Update URL for Jacks.
5415         * doc/sourcebuild.texi: Likewise.
5416
5417 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5418
5419         PR target/24007
5420         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5421         registers when choosing register preferences.
5422         (movdf_hardfloat64): Same.
5423
5424 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5425
5426         * expmed.c (expand_shift): Don't use the target of the rotate as
5427         target for the first expanded shift insn.
5428         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5429
5430 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5431
5432         PR tree-optimization/22438
5433         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5434         preserved iv rhs rewriting specially.
5435
5436 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5437
5438         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5439         estimate_only  is true.
5440         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5441         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5442         tree-ssa-structalias.c
5443         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5444         ref_contains_indirect_ref.
5445         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5446
5447 2005-09-21  DJ Delorie  <dj@redhat.com>
5448
5449         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5450         MASK_PTR_A0D0.
5451         (mn10300_return_in_memory): Support variable size types also.
5452         (mn10300_pass_by_reference): Likewise.
5453         (mn10300_function_value): New.
5454         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5455         (FUNCTION_OUTGOING_VALUE): Likewise.
5456         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5457         * doc/invoke.texi: Document it.
5458
5459 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5460
5461         PR target/22585
5462         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5463         force integer op1 into register for XFmode compares.
5464
5465 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5466
5467         PR middle-end/23971
5468         * expmed.c (alg_code): Add alg_impossible.
5469         (alg_hash_entry): Add cost.
5470         (synth_mult): Record alg_impossible in the hash table if
5471         multiplication by a given integer is impossble within the
5472         limit.  Speed up using alg_impossible.
5473
5474 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5475
5476         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5477         argument.  Allow and set any offset if needs_anyoffset is passed
5478         in.
5479         (get_constraint_for): Add argument here too.
5480         Pass it down.
5481         (do_structure_copy): Pass NULL to get_constraint_for.
5482         (handle_ptr_arith): Ditto.
5483         (find_func_aliases): Ditto.
5484
5485 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5486
5487         PR rtl-optimization/23898
5488         * output.h (get_attr_min_length): Declare.
5489         * final.c (get_attr_length_1): New function, broken out of:
5490         (get_attr_length).
5491         (get_attr_min_length): New function.
5492         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5493         (duplicate_computed_gotos): Likewise.
5494         * genattr.c (insn_min_length): Generate declaration.
5495         * genattrtab.c (min_fn, min_attr_value): New functions.
5496         (make_length_attrs): Generate insn_min_length.
5497
5498 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5499
5500         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5501
5502 2005-09-20  Richard Henderson  <rth@redhat.com>
5503
5504         PR tree-optimization/24059
5505         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5506         EXPAND_STACK_PARM.
5507
5508 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5509
5510         * c.opt (fextended-identifiers): New.
5511         * c-opts.c (c_common_handle_option): Handle
5512         -fextended-identifiers.
5513         * doc/cpp.texi: Update documentation of extended identifiers.
5514         * doc/cppopts.texi (-fextended-identifiers): Document.
5515
5516 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5517
5518         PR tree-optimization/23929
5519         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5520         if expr is NULL.
5521
5522         PR tree-optimization/23818
5523         * tree-stdarg.c (execute_optimize_stdarg): Call
5524         calculate_dominance_info.
5525
5526 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5527
5528         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5529         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5530         (compute_overlap_steps_for_affine_1_2): Use
5531         get_number_of_iters_for_loop.
5532         (analyze_subscript_affine_affine): Check whether difference is
5533         zero first.
5534         Use get_number_of_iters_for_loop.
5535         Check whether overlap occurs outside of bounds.
5536         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5537
5538 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5539
5540         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5541         base register if possible.
5542
5543 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5544
5545         PR tree-optimization/18463
5546         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5547         converting it directly is not possible.
5548         (chrec_convert_aggressive): New function.
5549         * tree-chrec.h (chrec_convert_aggressive): Declare.
5550         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5551         Fold chrec conversions aggressively if asked to.
5552         (instantiate_parameters): Modified because of changes in
5553         instantiate_parameters_1.
5554
5555 2005-09-19  Richard Henderson  <rth@redhat.com>
5556
5557         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5558         (reduc_splus_v2df): New.
5559
5560 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5561
5562         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5563         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5564
5565 2005-09-19  Richard Henderson  <rth@redhat.com>
5566
5567         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5568         vcondu<SSEMODE12>.
5569
5570 2005-09-19  Richard Henderson  <rth@redhat.com>
5571
5572         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5573         (ia64_expand_dot_prod_v8qi): New.
5574         * config/ia64/ia64-protos.h: Update.
5575         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5576         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5577         sdot_prodv8qi, sdot_prodv4hi): New.
5578         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5579
5580 2005-09-19  Richard Henderson  <rth@redhat.com>
5581
5582         PR 23941
5583         * real.c (exact_real_truncate): Return false if the format cannot
5584         represent the number as a normal.
5585
5586         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5587         for a memory source.
5588
5589 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5590
5591         * tree-ssa-operands.c (swap_tree_operands): Export.
5592         * tree.h (swap_tree_operands): Declare.
5593         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5594         Call swap_tree_operands.
5595
5596 2005-09-19  Richard Henderson  <rth@redhat.com>
5597
5598         * tree-flow.h (merge_alias_info): Declare.
5599         * tree-ssa-copy.c (merge_alias_info): Export.
5600         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5601         (vect_create_data_ref_ptr): Use create_iv directly.
5602         (vectorizable_load): Use correct types for integer constants.
5603         (vect_generate_tmps_on_preheader): Likewise.
5604         (vect_gen_niters_for_prolog_loop): Likewise.
5605
5606 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5607
5608         PR rtl-optimization/23943
5609         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5610
5611 2005-09-18  Jan Hubicka  <jh@suse.cz>
5612
5613         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5614
5615 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5616
5617         * varasm.c (output_constant): Do not abort on conversions to union
5618         types between different sizes.
5619
5620 2005-09-18  Richard Guenther  <rguenther@suse.de>
5621
5622         PR middle-end/23944
5623         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5624         fallback.
5625
5626 2005-09-18  Paul Brook  <paul@codesourcery.com>
5627
5628         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5629
5630 2005-09-17  Richard Henderson  <rth@redhat.com>
5631
5632         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5633         * tree-ssa-loop.c (pass_vect_dce): Remove.
5634         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5635         of pass_vectorize.
5636
5637 2005-09-17  Richard Henderson  <rth@redhat.com>
5638
5639         * tree-pass.h (pass_vect_dce): Declare.
5640         * passes.c (init_optimization_passes): Add it.
5641         * tree-flow.h (tree_ssa_dce): Declare.
5642         * tree-ssa-dce.c (tree_ssa_dce): Export.
5643         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5644         (gate_tree_vectorize): ... here.
5645         (pass_vect_dce): New.
5646
5647 2005-09-17  Jan Hubicka  <jh@suse.cz>
5648
5649         * except.c (struct eh_status): Turn region_array into vec.
5650         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5651         convert_from_eh_region_ranges, find_exception_handler_labels,
5652         current_function_has_exception_handlers, assign_filter_values,
5653         build_post_landing_pads, dw2_build_landing_pads,
5654         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5655         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5656         foreach_reachable_handler, can_throw_internal_1,
5657         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5658         region_array.
5659         (duplicate_eh_region_1): Update region_array.
5660         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5661
5662 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5663
5664         PR middle-end/22067
5665         * expmed.c (expand_mult): Substitute simple register for op0 when
5666         computing max_cost.
5667
5668 2005-09-17  Richard Henderson  <rth@redhat.com>
5669
5670         * expr.c (emit_move_via_integer): Add force argument, pass it on
5671         to emit_move_change_mode.  Update callers.
5672         (emit_move_complex): Pass true to new force argument.
5673         * function.c (expand_function_end): Move expand_eh_return call
5674         earlier.  Merge sub-word complex values into a pseudo before
5675         copying to the return hard register.
5676
5677 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5678
5679         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5680         between different sizes.
5681
5682 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5683
5684         PR 23903
5685
5686         * passes.c (init_optimization_passes): Register dump files for
5687         IPA passes first.
5688
5689 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5690
5691         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5692         * config/s390/s390.c (s390_overlap_p): New function.
5693         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5694         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5695         condition.
5696
5697 2005-09-16  Richard Guenther  <rguenther@suse.de>
5698
5699         * ipa-pure-const.c (static_execute): Free auxiliar information.
5700         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5701         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5702
5703 2005-09-15  DJ Delorie  <dj@redhat.com>
5704
5705         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5706
5707 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5708
5709         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5710         to order operands.
5711         (swap_commutative_operands_with_target): New.
5712
5713 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5714
5715         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5716         parameter.
5717         Update callers.
5718         (estimate_iters_using_array): New function.
5719         * tree-data-ref.h (estimate_iters_using_array): Prototype
5720         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5721         Use estimate_iters_using_array instead of analyze_array.
5722
5723 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5724
5725         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5726         as addressable.
5727
5728 2005-09-15  Michael Matz  <matz@suse.de>
5729
5730         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5731
5732 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5733
5734         PR tree-optimization/23835
5735         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5736         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5737
5738 2005-09-14  Richard Henderson  <rth@redhat.com>
5739
5740         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5741         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5742
5743 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5744
5745         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5746         in the ARRAY_TYPE case.
5747
5748 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5749
5750         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5751
5752 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5753
5754         PR middle-end/22480
5755         * tree-vect-transform.c (vectorizable_operation): Return false for
5756         scalar shift operations and for vector shift operations with
5757         non-invariant shift arguments.  Use scalar tree operand op1 as
5758         a shift operand when vector shift insn pattern uses scalar shift
5759         operand.
5760         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5761
5762 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5763
5764         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5765         value if it has side-effects.
5766
5767 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5768
5769         PR target/22068
5770         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5771
5772 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5773
5774         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5775         passed as NAME as if it were label at start of function code.
5776
5777 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5778
5779         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5780         the constraints.
5781
5782 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5783
5784         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5785         as early clobber.  Rewrite so the PIC register is not implicitly used.
5786
5787 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5788
5789         * tree.c (annotate_with_file_line): Compare line numbers before
5790         file names.
5791
5792 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5793
5794         PR target/23816
5795         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5796         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5797
5798 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5799
5800         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5801         than a HOST_WIDEST_INT to gen_doloop_begin.
5802
5803 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5804
5805         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5806
5807 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5808
5809         PR tree-optimize/23817
5810         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5811
5812 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5813
5814         PR target/23774
5815         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5816         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5817         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5818         (restore_stack_nonlocal): Likewise.
5819         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5820
5821 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5822
5823         PR g++/7874
5824         * c.opt (ffriend-injection): New C++ option.
5825         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5826         (C++ Dialect Options): Document -ffriend-injection.
5827
5828 2005-09-12  Josh Conner  <jconner@apple.com>
5829
5830         PR middle-end/23237
5831         * ipa-reference.c (static_execute): Don't mark variables in
5832         named sections TREE_READONLY.
5833
5834 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5835
5836         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5837         stack_tie.
5838
5839 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5840
5841         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5842         V_MUST_DEF instead of just the first_use_p.
5843         Don't mark the virtual variables for renaming on the statement which
5844         is being removed.
5845         (pass_dse): Remove TODO_update_ssa.
5846
5847 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5848
5849         PR middle-end/23290
5850         * stor-layout.c (compute_record_mode): For records with a single
5851         field, actually check the field's mode size against the type size.
5852
5853         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5854         registers for TARGET_SHMEDIA.
5855         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5856         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5857         of GENERAL_REGS and FP_REGS.
5858
5859 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5860
5861         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5862
5863 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5864
5865         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5866         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5867         are omitted.  Exclude stack_tie insn too.
5868
5869 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5870
5871         PR rtl-optimization/23098
5872         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5873         0.0f is easy.
5874         * config/rs6000/rs6000.md (movdf splitter): Use
5875         const_double_operand predicate for TARGET_POWERPC64.
5876         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5877         SYMBOL_REF method to ABI_V4.
5878
5879         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5880         replace_equiv_address.
5881         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5882         rs6000_sr_alias_set and MEM_NOTRAP.
5883         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5884
5885 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5886
5887         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5888         handle CALL_EXPR again.
5889
5890 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5891
5892         * arm/predicates.md (alignable_memory_operand): Delete.
5893
5894 2005-09-10  Richard Henderson  <rth@redhat.com>
5895
5896         PR debug/23806
5897         * dbxout.c (dbxout_expand_expr): New.
5898         (dbxout_symbol): Use it.
5899
5900 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5901
5902         * arm.c (arm_gen_rotated_half_load): Delete.
5903         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5904         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5905         (thumb_set_return_address): Likewise.
5906         (thumb_load_double_from_address): Use adjust_address.
5907         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5908         (extendhsisi2_mem, movhi_bytes): Use change_address.
5909         (movhi): Use widen_memory_access.
5910         (reload_out_df): Use replace_equiv_address.
5911         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5912
5913 2005-09-09  Richard Henderson  <rth@redhat.com>
5914
5915         PR debug/20998
5916         * dbxout.c: Include expr.h.
5917         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5918         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5919         * Makefile.in (dbxout.o): Add EXPR_H.
5920
5921 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5922
5923         PR tree-optimization/23509
5924         * tree-cfg.c (replace_uses_by): Use replace_exp.
5925         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5926         pointers have name_mem_tag or type_mem_tag set.
5927
5928 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5929
5930         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5931         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5932         of wrongly accessing operands.
5933
5934 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5935
5936         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5937         * tree-chrec.c: Include tree-scalar-evolution.h.
5938         (chrec_convert): Instantiate the base and step before calling
5939         scev_probably_wraps_p that would fail on parametric evolutions.
5940         Collect all the fails into a single section failed_to_convert,
5941         print a diagnostic, and return chrec_dont_know instead of calling
5942         fold_convert.
5943         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5944         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5945         phi nodes.
5946         (scev_const_prop): Don't replace the definition of a loop closed ssa
5947         phi node by itself, or by another loop closed ssa phi node.
5948         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5949         that base and step are defined.
5950
5951 2005-09-09  Richard Guenther  <rguenther@suse.de>
5952
5953         PR c++/23624
5954         * fold-const.c (fold_ternary): Check truth_value_p before
5955         calling invert_truthvalue.
5956
5957 2005-09-09  Nick Clifton  <nickc@redhat.com>
5958
5959         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5960         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5961         dimension of these arrays.
5962         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5963         these arrays.
5964         * longlong.h: Only provide a prototype for the __clz_tab[] array
5965         if this header has not been included from libgcc2.h.
5966         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5967         defining own types.
5968         Provide prototypes for exported functions.
5969         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5970         libgcc2.c.
5971
5972 2005-09-08  Josh Conner  <jconner@apple.com>
5973
5974         PR c++/21135
5975         PR c++/23180
5976         * expr.c (expand_expr_addr_expr_1): Don't invoke
5977         expand_simple_binop for EXPAND_INITIALIZER.
5978
5979 2005-09-08  Richard Henderson  <rth@redhat.com>
5980
5981         PR debug/23190
5982         * toplev.c (wrapup_global_declaration_1): Split out ...
5983         (wrapup_global_declaration_2): ... from ...
5984         (wrapup_global_declarations): ... here.  Return bool.
5985         (check_global_declaration_1): Split out ...
5986         (check_global_declarations): from here.
5987         (emit_debug_global_declarations): New.
5988         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5989         check_global_declaration_1, emit_debug_global_declarations): Declare.
5990         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5991         of decls.  Call wrapup_global_declaration_1,
5992         wrapup_global_declaration_2, check_global_declaration_1 directly.
5993         (c_write_global_declarations_2): New.
5994         (ext_block): New.
5995         (c_write_global_declarations): Call c_write_global_declarations_2.
5996         * langhooks.c (write_global_declarations): Call
5997         emit_debug_global_declarations.
5998
5999         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6000         remove decls that have DECL_RTL_SET_P.
6001         * passes.c (rest_of_decl_compilation): Invoke
6002         cgraph_varpool_finalize_decl for all but functions.
6003
6004 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6005
6006         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6007         the result of a conversion if the new min and max cannot be compared.
6008
6009 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6010
6011         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6012         (override_options): Setting s390_sr_alias_set removed.
6013         (save_fpr, save_gprs): Set alias set to vararg or frame.
6014         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6015         s390_sr_alias_set with get_frame_alias_set ().
6016         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6017         get_varargs_alias_set ().
6018
6019 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6020
6021         PR objc/20574
6022         PR objc/19324
6023         * c-parser.c (c_parser_objc_method_definition): If the next
6024         token is not "{", error out and don't start the function.
6025
6026 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6027
6028         * tree-vrp.c (extract_range_from_expr): Move the check for non
6029         nullness after the check for gimple invariant.
6030
6031 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6032
6033         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6034
6035 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6036
6037         PR target/23747
6038         * config/m32r.md (movmemsi_internal): Canonicalize order of
6039         operands in PLUS component of template.
6040
6041 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6042
6043         * reload1.c (fixup_eh_region_note): Remove assertion.
6044         (fixup_abnormal_edges): Reverted removal of call to
6045         find_many_sub_basic_blocks made on 2005-08-31.
6046
6047 2005-09-07  Richard Henderson  <rth@redhat.com>
6048
6049         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6050         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6051         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6052         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6053         rearrange for better packing.
6054         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6055         (lookup_cfa_1): Remove inline marker.
6056         (cfa_equal_p): Split out of ...
6057         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6058         (build_cfa_loc): Handle !cfa->indirect.
6059         (frame_pointer_cfa_offset): New.
6060         (dbx_reg_number): Assert register elimination performed; do
6061         leaf register remapping.
6062         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6063         (eliminate_reg_to_offset): New.
6064         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6065         for verifiably local stack frame addresses; re-base to CFA.
6066         (mem_loc_descriptor): Remove can_use_fbreg argument.
6067         (concat_loc_descriptor, loc_descriptor): Likewise.
6068         (containing_function_has_frame_base): Remove.
6069         (rtl_for_decl_location): Don't do register elimination or
6070         leaf register remapping here.
6071         (secname_for_decl): Split out from ..
6072         (add_location_or_const_value_attribute): ... here.
6073         (convert_cfa_to_loc_list): New.
6074         (compute_frame_pointer_to_cfa_displacement): New.
6075         (gen_subprogram_die): Use them.
6076         * tree.h (frame_base_decl): Remove.
6077         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6078         (prologue_stack_adjust): Remove.
6079         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6080         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6081         (set_frame_base_location): Remove.
6082         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6083         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6084         (vt_add_function_parameters): Don't eliminate_regs.
6085         (vt_initialize): Don't create frame_base_decl.
6086
6087 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6088
6089         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6090         version of GNU binutils for 4.x and later.
6091
6092 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6093
6094         * ggc-page.c (ggc_push_context): Remove.
6095         (ggc_pop_context): Likewise.
6096         * ggc.h (ggc_push_context): Remove.
6097         (ggc_pop_context): Likewise.
6098
6099 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6100
6101         PR target/8973
6102         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6103         returning from an interrupt handler.
6104
6105 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6106
6107         PR target/8972
6108         * config/arc/arc.c (output_shift): Add check for loop count when
6109         optimizing.
6110
6111 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6112
6113         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6114         form manually.
6115         (abs_replacement): Likewise.
6116         (pass_phiopt): Remove TODO_update_ssa.
6117
6118 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6119
6120         PR c/23075
6121         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6122         if "return with no value, in function returning non-void" warning
6123         has been issued.
6124         * tree-cfg.c (execute_warn_function_return): Don't look at
6125         RETURN_EXPRs with TREE_NO_WARNING set.
6126
6127         PR target/22362
6128         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6129         for internal functions doesn't use registers used by global registers
6130         variables.  Use fewer register parameters if there are global register
6131         variables.
6132
6133 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6134             Eric Botcazou  <ebotcazou@adacore.com>
6135
6136         PR middle-end/14997
6137         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6138         when we would be extracting outside its bit span (bitpos+bitsize
6139         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6140         Ada unchecked conversions.
6141
6142 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6143
6144         * tree-ssa-pre.c (try_look_through_load): New function.
6145         (compute_avail): Use it to try to look through loads for some
6146         more useful expressions.
6147
6148 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6149
6150         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6151         condition for detecting cases like (a&a) and (a^a).
6152
6153 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6154
6155         * common.opt: Add option ftree-vect-loop-version.
6156         * params.def: Add --param vect-max-version-checks.
6157         * doc/invoke.texi: Document ftree-vect-loop-version and
6158         --param vect-max-version-checks.
6159         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6160         may_misalign_stmts and defines for accessors.
6161         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6162         LOOP_VINFO_MAY_MISALIGN_STMTS.
6163         (destroy_loop_vec_info): VEC_free for
6164         LOOP_VINFO_MAY_MISALIGN_STMTS.
6165         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6166         Update documentation.
6167         (vect_update_misalignment_for_peel): New.
6168         (vect_enhance_data_refs_alignment): Update to choose loop
6169         peeling or loop versioning if appropriate for the (potentially)
6170         unaligned data references in the loop.
6171         (vect_analyze_data_refs_alignment): Remove call to
6172         vect_enhance_data_refs_alignment so the checks can be done
6173         earlier.
6174         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6175         and move up call to vect_analyze_data_refs_alignment.
6176         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6177         (vect_transform_loop): Add call to loop_version.
6178
6179 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6180
6181         PR rtl-optimization/23098
6182         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6183         * simplify-rtx.c (constant_pool_reference_p): New function.
6184         * rtl.h (constant_pool_reference_p): New prototype.
6185         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6186         constant_pool_reference_p in condition and
6187         avoid_constant_pool_reference in preparation statements.
6188
6189 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6190
6191         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6192         STRICT_LOW_PART SETs.
6193
6194 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6195
6196         PR middle-end/21460
6197         * except.c (sjlj_emit_function_enter): Find the function begin
6198         note even when it's not in first basic block.
6199
6200 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6201
6202         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6203         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6204         * aclocal.m4: Regenerate.
6205
6206 2005-09-05  DJ Delorie  <dj@redhat.com>
6207
6208         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6209         of macro.
6210
6211 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6212
6213         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6214         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6215         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6216         Follow spelling conventions.
6217         * doc/invoke.texi: Follow spelling conventions.
6218
6219 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6220
6221         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6222         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6223         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6224
6225 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6226
6227         PR target/23683
6228         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6229         (output_stack_adjust): Use gen_tmp_stack_mem.
6230         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6231         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6232         (sh_get_pr_initial_val): Likewise.
6233         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6234         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6235         * sh.md (divsi_inv_m0): Use gen_const_mem.
6236         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6237         (movdf_i4+1): Use gen_tmp_stack_mem.
6238         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6239         (fpu_switch+2): Likewise.
6240         (movv4sf_i, movv16sf_i): Use adjust_address.
6241         (symGOT_load): Set MEM_NOTRAP_P bit.
6242
6243 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6244
6245         PR target/23721
6246         * pa.c (emit_move_sequence): Fix typo in last change.
6247
6248 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6249
6250         PR rtl-optimization/23454
6251         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6252         is true.
6253
6254 2005-09-03  Richard Henderson  <rth@redhat.com>
6255             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6256
6257         PR middle-end/23671
6258         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6259         gen_rtx_MEM.
6260
6261 2005-09-02  Nicolas Pitre <nico@cam.org>
6262
6263         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6264         to bit_count to 32 bits.
6265
6266 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6267
6268         PR c++/23167
6269         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6270         generating synthetic loads from volatile lvalues.
6271
6272 005-09-02  Nick Clifton  <nickc@redhat.com>
6273
6274         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6275         __ctzhi2, __clzhi2): New functions.
6276
6277 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6278
6279         PR middle-end/23547
6280         * tree-nested.c (struct var_map_elt): Mark with GTY.
6281         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6282         var_map_elt.
6283         (lookup_field_for_decl): Allocate new element in GC memory.
6284         (lookup_tramp_for_decl): Likewise.
6285         (convert_nl_goto_reference): Likewise
6286         (create_nesting_tree): Allocate info in GC memory. Likewise for
6287         info->var_map.
6288         (free_nesting_tree): Free with ggc_free instead of free.
6289         (root): New static variable.
6290         (lower_nested_functions): Remove root as local variable.  And zero out
6291         root at the end of the function.
6292
6293 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6294
6295         PR rtl-optimization/20365
6296         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6297         to short.  New member ix.
6298         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6299         (simplify_plus_minus): Initialize ix members before calling qsort.
6300
6301 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6302
6303         PR tree-optimization/23626
6304         * tree-cfg.c (replace_uses_by): Clean up eh info.
6305
6306 2005-09-01  DJ Delorie  <dj@redhat.com>
6307
6308         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6309         fprintf.
6310
6311 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6312
6313         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6314         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6315         gen_rtx_MEM.
6316
6317 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6318
6319         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6320         do not issue warning for a variable definition following
6321         a declaration.
6322
6323 2005-09-01  Richard Henderson  <rth@redhat.com>
6324
6325         PR 23668
6326         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6327         conversion to CONST_VECTOR.
6328
6329 2005-09-01  Richard Henderson  <rth@redhat.com>
6330
6331         PR 23676
6332         * reload1.c (reload_as_needed): Check !CALL_P before calling
6333         fixup_eh_region_note.
6334         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6335
6336 2005-09-01  DJ Delorie  <dj@redhat.com>
6337
6338         * varasm.c (output_constant): Let the target resolve
6339         conversions of addresses to non-default pointer sizes.
6340
6341 2005-09-01  Nicolas Pitre <nico@cam.org>
6342
6343         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6344         to alow matching ARM pre-indexed addressing mode.
6345         (arm_override_options): Remove now irrelevant comment.
6346
6347 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6348
6349         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6350         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6351         * config/i386/vxworks.h:  Likewise.
6352         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6353         * config/i386/vxworksae.h:  Likewise.
6354
6355 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6356
6357         PR tree-optimization/23410
6358         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6359         sequence is not wrapping during the first step.
6360
6361 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6362
6363         PR debug/7241
6364         * dwarf2out.c (base_type_die): Compare char_type_node with
6365         TYPE_MAIN_VARIANT (type), not type.
6366
6367 2005-09-01  Richard Guenther  <rguenther@suse.de>
6368
6369         PR tree-optimization/15366
6370         * common.opt: Add -finline-functions-called-once.
6371         Put -fearly-inlining in alphabetically ordered place.
6372         * doc/invoke.texi: Document new option.
6373         * ipa-inline.c (cgraph_decide_inlining): Honour
6374         flag_inline_functions_called_once.
6375
6376 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6377
6378         PR rtl-optimization/23478
6379         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6380         (alloc_qty): Initialize it.
6381         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6382         (combine_regs): Combine also n_throwing_calls_crossed fields.
6383         (find_free_reg): Don't attempt to caller-save pseudos crossing
6384         calls that might throw.
6385         * global.c (struct allocno): Add throwing_calls_crossed field.
6386         (global_alloc): Revert 2005-08-22 change.  Initialize
6387         throwing_calls_crossed.
6388         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6389         might throw.
6390
6391 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6392
6393         PR target/23649
6394         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6395         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6396         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6397         (and64_2_operand): Tweak to use predicate.
6398         (and_operand): Adjust for mask_operand changes.
6399         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6400         (print_operand): Likewise.
6401         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6402         (mask64_1or2_operand): Delete.
6403         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6404         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6405         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6406         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6407         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6408         (rotldi3_internal4): Likewise.
6409         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6410         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6411         (ashldi3_internal7): Likewise.
6412         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6413         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6414         (anddi3 split): Don't match mask64_operand.
6415         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6416         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6417         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6418         't' splitter predicate.
6419         (movdi_internal64 + 2): Revert 2005-06-11 change.
6420
6421 2005-08-31  DJ Delorie  <dj@redhat.com>
6422
6423         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6424         (m32c_asm_integer): Add support for 32 bit pointers.
6425
6426 2005-08-31  Richard Henderson  <rth@redhat.com>
6427
6428         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6429         component-like references for setting MEM_NOTRAP_P.
6430
6431         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6432         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6433
6434 2005-08-31  Richard Henderson  <rth@redhat.com>
6435
6436         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6437         into a pseudo before applying gen_lowpart.
6438
6439 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6440
6441         * doc/install.texi (Specific): Update cctools version required
6442         for full functionality.
6443         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6444         linkers as -macosx_version_min.
6445
6446 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6447
6448         PR target/21255
6449         * sh.c (print_operand, %R and %S): Add handling of floating point
6450         registers, memory, constants and invalid operands.
6451
6452 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6453
6454         * ipa-pure-const.c: Change dump name.
6455
6456 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6457
6458         PR target/23570
6459         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6460         to "reg_or_0_operand".
6461         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6462
6463 2005-08-31  Dale Johannesen  <dalej@apple.com>
6464
6465         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6466         loops that count down.
6467
6468 2005-08-31  Richard Henderson  <rth@redhat.com>
6469
6470         PR rtl-opt/23601
6471         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6472         (fixup_eh_region_note): New.
6473         (reload_as_needed): Call it.
6474         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6475         don't call find_many_sub_basic_blocks; call verify_flow_info.
6476         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6477         (keep_stack_depressed): Likewise.
6478         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6479
6480 2005-08-31  Richard Henderson  <rth@redhat.com>
6481
6482         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6483         fp return matching.
6484
6485 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6486
6487         * expr.c (expand_expr_real_1): Compare size of address
6488         mode to target's address mode size in deciding expansion of
6489         the constant address.
6490
6491 2005-08-31  Richard Guenther  <rguenther@suse.de>
6492
6493         PR middle-end/23477
6494         * expr.c (all_zeros_p): New function.
6495         (expand_expr_real_1): Handle the case of an all-zero
6496         non-addressable constructor separately.
6497
6498 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6499
6500         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6501         arguments, adjust all callers.
6502         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6503
6504 2005-08-30  Richard Henderson  <rth@redhat.com>
6505
6506         PR target/23630
6507         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6508         whenever the mode sizes match.
6509
6510 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6511
6512         * calls.c (load_register_parameters): Fix comment typo.
6513         * expr.c (emit_push_insn): Comment formatting.
6514
6515 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6516
6517         * config/i386/x-cygwin (host-cygwin): Change dependency from
6518         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6519
6520 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6521
6522         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6523         parts of 'vals'.
6524
6525 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6526
6527         PR middle-end/23408
6528         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6529         call to ggc_collect.
6530
6531 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6532
6533         PR bootstrap/21268
6534         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6535         beginning.  Remove $(INCLUDES) from all the rules, if following
6536         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6537
6538 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6539
6540         PR middle-end/23484
6541         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6542         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6543         not constant, but maxlen is, don't set len to maxlen, rather
6544         set maxlen to len if len is a constant.
6545
6546 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6547
6548         PR tree-optimization/23475
6549         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6550         and counts.
6551
6552 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6553
6554         Fix PR middle-end/22455
6555
6556         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6557         Checksum only the parts of the tree that exist for the tree code.
6558
6559 2005-08-28  Dale Johannesen  <dalej@apple.com>
6560
6561         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6562
6563 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6564
6565         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6566
6567 2005-08-28  Richard Henderson  <rth@redhat.com>
6568
6569         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6570         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6571         of char_type_node.
6572
6573 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6574
6575         PR ada/23593
6576         * builtins.c (get_memory_rtx): Don't strip nops
6577         in between COMPONENT_REFs.
6578
6579 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6580
6581         PR middle-end/23463
6582         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6583         types.
6584         (gimplify_modify_expr): Check for zero sized types and gimplify the
6585         rhs and lhs as statements.
6586
6587 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6588
6589         PR libgcj/23508
6590         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6591         state for return address column of signal frames.
6592
6593 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6594
6595         PR target/23539
6596         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6597         bytes >= 2 not bytes == 2.
6598         (expand_block_move): Same.
6599
6600 2005-08-27  Richard Guenther  <rguenther@suse.de>
6601
6602         PR target/23575
6603         * config/i386/sse.md (sse2_movsd): Add missing closing
6604         braces.
6605
6606 2005-08-27  Paul Brook  <paul@codesourcery.com>
6607
6608         * genrecog.c (enum decision_type): Add DT_num_insns.
6609         (struct decision_test): Add u.num_insns.
6610         (add_to_sequence): Add DT_num_insns test.
6611         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6612         (write_cond, debug_decision_2): Ditto.
6613         (change_state): Assume peep2_next_insn never fails.
6614         Remove "afterward" argument.
6615         (write afterward, write_tree): Update to match.
6616         * recog.c (peep2_current_count): New variable.
6617         (peep2_next_insn): Check it.
6618         (peephole2_optimize): Set peep2_current_count.
6619         * recog.h (peep2_current_count): Declare.
6620
6621 2005-08-26  Josh Conner  <jconner@apple.com>
6622
6623         PR middle-end/23584
6624         * ipa-pure-const.c (check_tree): Check for volatile-ness
6625         when considering a dereference.
6626
6627 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6628
6629         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6630
6631 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6632
6633         PR rtl-optimization/23561
6634         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6635         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6636         at most LEN bytes long memory fits into the field.
6637         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6638         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6639         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6640
6641 2005-08-26  Richard Henderson  <rth@redhat.com>
6642
6643         PR rtl-opt/23560
6644         * loop.c (biased_biv_may_wrap_p): New.
6645         (maybe_eliminate_biv_1): Use it to suppress non-equality
6646         comparison transformations.  Delete disabled code.
6647
6648 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6649
6650         * combine.c (make_extraction): Avoid reference outside object.
6651
6652 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6653
6654         * stor-layout.c (finalize_type_size): Restore behaviour for
6655         non-aggregate types to the status quo ante of the patch for
6656         pr 23467.  Document why it matters.
6657
6658 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6659
6660         PR c/23506
6661         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6662         array by one element, initialize the BT_LAST element with NULL.
6663
6664 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6665
6666         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6667         optimizing for size.
6668         (plus_eqsi): Same.
6669         (compare_plus_eqsi): Same.
6670         (plus_eqsi_compare): Same.
6671         (neg_eq0<mode>): Same.
6672         (neg_eq<mode>): Same.
6673
6674         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6675         PROCESSOR_POWER4.
6676
6677 2005-08-26  Nick Clifton  <nickc@redhat.com>
6678
6679         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6680         TARGET_EP is not defined.
6681         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6682         TARGET_EP is enabled.
6683         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6684         * config/v850/v850.md (save_all_interrupt): Only use the EP
6685         register if TARGET_EP is defined.
6686         (restore_all_interrupt): Likewise.
6687         * config/v850/lib1funcs.asm: Update functions so that the EP
6688         register is only used if __EP__ is defined.
6689
6690 2005-08-26  David Ung  <davidu@mips.com>
6691
6692         * config/mips/mips.c (mips_expand_prologue): Handle case when
6693         generating for MIPS16 and the outgoing argument area is more than
6694         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6695         add instruction.
6696
6697 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6698
6699         * config/crx/crx.md: Make doloop_end pattern usage controllable
6700         via mloop-nesting=<max-nesting> command line switch. Make sure
6701         the combiner cannot use doloop_end_<mode> in an illegal way.
6702         * config/crx/crx.c: Use regs up to r6 for argument passing.
6703         Refine crx_address_cost (non cst4 displacements are expensive).
6704         * config/crx/crx.opt: Add switch for mloop-nesting=.
6705
6706 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6707
6708         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6709         (UNSPEC_MVST): New constant.
6710
6711 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6712
6713         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6714         Reject operands containing eliminable registers.
6715         * testsuite/gcc.dg/20050825-1.c: New testcase.
6716
6717 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6718             Jan Hubicka  <jh@suse.cz>
6719
6720         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6721
6722 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6723
6724         PR tree-optimization/23546
6725         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6726         and REAL_CST nodes.
6727
6728 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6729
6730         * params.def (PARAM_MIN_SPEC_PROB): New.
6731         * sched-rgn.c (MIN_PROBABILITY): Delete.
6732         (compute_trg_info): Convert to PARAM_VALUE.
6733         * doc/invoke.texi (param): Document min-spec-prob.
6734
6735 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6736
6737         * config/darwin.h: define __PIC__
6738         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6739         TARGET_OS_CPP_BUILTINS macro.
6740
6741 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6742
6743         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6744         yesterday.
6745
6746 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6747
6748         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6749         to duplicate_block.
6750         * cfghooks.c (duplicate_block): Added position where to place
6751         new block as argument.
6752         * cfghooks.h (duplicate_block): Declaration changed.
6753         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6754         duplicate_block.
6755         * cfglayout.h (copy_bbs): Declaration changed.
6756         * cfgloop.h (loop_version): Declaration changed.
6757         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6758         position to copy_bbs.
6759         (loop_version): Pass position to duplicate_loop_to_header_edge.
6760         Add place_after argument and position new blocks according to
6761         it.
6762         * modulo-sched.c (sms_schedule): Pass place_after argument
6763         to loop_version.
6764         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6765         * tree-cfg.c (split_edge_bb_loc): New function.
6766         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6767         to determine position of new blocks.
6768         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6769         to loop_version.
6770         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6771         argument to duplicate_block.
6772         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6773         Pass position to copy_bbs.
6774
6775 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6776
6777         * fold-const.c (ptr_difference_const): Use
6778         cst_and_fits_in_hwi instead of host_integerp.
6779
6780 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6781
6782         * config/darwin.c (gen_pic_offset): New.
6783         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6784         Use it.
6785
6786 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6787
6788         PR tree-optimization/23486
6789         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6790
6791 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6792
6793         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6794         remove use_collect2.
6795         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6796
6797         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6798         configuration files to override the default value.
6799
6800         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6801         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6802         * config/vx-common.h:  New file, split out from...
6803         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6804         * config/vxworksae.h:  New file, for VxWorks AE.
6805         * config/vxworks.opt:  New file.
6806         * config/vxlib.c:  Update for VxWorks 6.
6807
6808         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6809         other MULTILIB_* variables appropriately.
6810         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6811         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6812         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6813         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6814
6815 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6816
6817         PR target/20799
6818         * config/darwin.c (machopic_select_section): Remove the hack to
6819         mark "::operator new" and "::operator delete" for coalescing
6820         even though they are not weak.
6821
6822 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6823
6824         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6825         * configure: Regenerate.
6826
6827 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6828
6829         PR middle-end/23517
6830         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6831         between vectors.
6832         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6833         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6834         Likewise.
6835
6836 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6837
6838         * config/rs6000/predicates.md (equality_operator): New.
6839         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6840         comparison with a large constant.
6841
6842 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6843
6844         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6845
6846 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6847
6848         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6849         registers is even, and we have a hardware double precision fp,
6850         align the buffer.
6851         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6852         size of current argument when checking if argument was passed in
6853         registers.
6854
6855         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6856
6857         PR middle-end/23467
6858         * stor-layout.c (finalize_type_size): Dont override
6859         existing alignment with a smaller alignment from the mode.
6860
6861 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6862
6863         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6864         * lambda.h (lambda_vector_lexico_pos): ... here.
6865         * tree-data-ref.c (build_classic_dist_vector): Return false when
6866         the distance vector is lexicographically negative.
6867
6868 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6869
6870         PR tree-optimization/23511
6871         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6872         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6873
6874 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6875
6876         PR tree-optimization/22043
6877         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6878         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6879         If ALLOW_FLEXARR, handle types ending with flexible array member.
6880         Pass false as second argument to recursive count_type_elements calls.
6881         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6882         argument to count_type_elements call.
6883         * tree-sra.c (decide_block_copy): Likewise.
6884         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6885         for a constant-sized object, set cleared as well.  Pass true as
6886         second argument to count_type_elements call.
6887
6888 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6889
6890         PR target/21571
6891         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6892         from legitimate_small_data_p, and make global.  Update use.
6893         Remove forward declaration.
6894         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6895         Declare.
6896         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6897
6898 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6899
6900         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6901         of scratch intermediates.
6902         (eq<mode>_compare): Same.
6903         (neg_eq0<mode>): New.
6904         (neg_eq<mode>): Convert to define_insn_and_split.
6905
6906 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6907
6908         PR target/23070
6909         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6910         stdarg functions, set/clear the fp marker even when no variable
6911         args are passed.
6912         * config/rs6000/sysv4.opt (mprototype): Describe.
6913
6914 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6915
6916         PR rtl-optimization/23478
6917         * regs.h (reg_info): Add throw_calls_crossed.
6918         (REG_N_THROWING_CALLS_CROSSED): Define.
6919         * flow.c (allocate_reg_life_data): Initialize
6920         REG_N_THROWING_CALLS_CROSSED.
6921         (propagate_one_insn, attempt_auto_inc): Update
6922         REG_N_THROWING_CALLS_CROSSED.
6923         * global.c (global_alloc): Don't allocate pseudos across
6924         calls that may throw.
6925
6926 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6927
6928         PR c/18715
6929         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6930         value is inbetween the range if we did not find an exact match.
6931
6932 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6933
6934         * doc/invoke.texi (Option Summary): Add ms1 options.
6935         * doc/extend.texi: Document interrupt handler attribute for ms1.
6936         * doc/md.texi: Document ms1 constraints.
6937         * config.gcc: Add ms1-*-elf.
6938         * config/ms1/ms1.h: New.
6939         * config/ms1/ms1.c: New.
6940         * config/ms1/ms1.md: New.
6941         * config/ms1/ms1-protos.h: New.
6942         * config/ms1/ABI.txt: New.
6943         * config/ms1/crti.asm: New.
6944         * config/ms1/crtn.asm: New.
6945         * config/ms1/lib2extra-funcs.c: New.
6946         * config/ms1/t-ms1: New.
6947         * config/ms1/ms1.opt: New.
6948
6949 2005-08-22 Ira Rosen <irar@il.ibm.com>
6950
6951         * config/rs6000/altivec.md (xorv4sf3): New.
6952         (negv4sf2, neg<mode>2): Likewise.
6953
6954 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6955
6956         PR target/23485
6957         * config/ia64/ia64.md (divsi3): Check divide by zero.
6958         (udivsi3): Likewise.
6959         (divdi3): Likewise.
6960         (udivdi3): Likewise.
6961
6962 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6963
6964         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6965         up to elem_bitsize bits, not max_bitsize.
6966
6967 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6968
6969         PR tree-optimization/23433
6970         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6971         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6972
6973 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6974
6975         PR tree-optimization/23434
6976         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6977         the iteration bound is not an INTEGER_CST.
6978
6979 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6980
6981         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6982         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6983         NULL if need_epilog_adjust is false.
6984         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6985         Case 3 always peels first itration, not just for PLUS case, and no need
6986         to use scalar_initial_def here. Create an epilog adjustment only if
6987         scalar_initial_def is not NULL.
6988
6989         (vectorizable_reduction): Remove assert.
6990
6991 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6992
6993         PR target/23485
6994         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6995         (__moddi3): Likewise.
6996         (__udivdi3): Likewise.
6997         (__umoddi3): Likewise.
6998         (__divsi3): Likewise.
6999         (__modsi3): Likewise.
7000         (__udivsi3): Likewise.
7001         (__umodsi3): Likewise.
7002
7003 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7004
7005         * tree-pass.h (TDF_GRAPH): Define.
7006         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7007         * passes.c (finish_optimization_passes): Only call
7008         finish_graph_dump_file if TDF_GRAPH is set.
7009         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7010         NULL.  Set TDF_GRAPH bit.
7011         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7012
7013 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7014
7015         * arm.h (arm_stack_offsets): Add locals_base field.
7016         * arm.c (arm_get_frame_offsets): Compute it.
7017         (thumb_compute_initial_elimination offset): Make the Thumb frame
7018         pointer point to the base of the local variables.
7019         (thumb_expand_prologue): Update accordingly.
7020         (thumb_expand_epilogue): Likewise.
7021
7022         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7023         mode of clobbered scratch to DImode.  Handle a case that's known to
7024         need this.
7025
7026 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7027
7028         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7029         (gt0<mode>_compare): Delete.
7030         (neg_gt0<mode>): Delete.
7031
7032 2005-08-19  Eric Christopher  <echristo@apple.com>
7033
7034         * optabs.h: Change CTI_ to COI_.
7035         * optabs.c: Ditto.
7036
7037 2005-08-19  James E Wilson  <wilson@specifix.com>
7038
7039         * builtins.c (expand_builtin_return_addr): Set
7040         current_function_accesses_prior_frames when count != 0.  Use
7041         frame_pointer_rtx when count == 0.
7042         * function.h (struct function): Add accesses_prior_frames field.
7043         (current_function_accesses_prior_frames): Define.
7044         * reload1.c (init_elim_table): Check
7045         current_function_accesses_prior_frames.
7046         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7047
7048 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7049
7050         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7051         indicator.  Return true if the flowgraph changed during
7052         cleanup.
7053
7054 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7055
7056         PR 23476
7057         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7058         conditional expression before testing its value.
7059
7060 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7061
7062         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7063
7064 2005-08-19  Devang Patel  <dpatel@apple.com>
7065
7066         PR tree-optimization/23048
7067         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7068         third parameter. Check whether latch is dominated by exit
7069         block or not.
7070         (if_convertible_loop_p): Supply exit block itself to
7071         if_convertible_bb_p.
7072
7073 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7074
7075         PR target/23473
7076         * arm.md (arm_load_pic_register): Change argument to the mask of
7077         saved registers.  Call thumb_find_work_register if we need a
7078         scratch register on Thumb.
7079         (arm_expand_prologue): Pass empty register set to
7080         arm_load_pic_register.
7081         (thumb_expand_prologue): Pass live_regs_mask directly to
7082         arm_load_pic_register.
7083         * arm-protos.h (arm_load_pic_register): Update prototype.
7084
7085 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7086
7087         * sh.c (find_sole_member): New function.
7088         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7089         if the record's alignment is larger than the size of its only member.
7090
7091 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7092
7093         PR target/23436
7094         * arm.c (thumb_legitimize_reload_address): New function.
7095         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7096         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7097
7098 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7099
7100         * config/crx/crx.c: Implement crx_decompose_address. Reject
7101         symbolic displacements since CRX register relative adressing
7102         mode can't handle unsigned 32-bit values as displacements.
7103         * config/crx/crx.h: Simplify definitions, remove redundant
7104         parenthesis and obsolete macros.
7105         * config/crx/crx.opt: Add new switch for debugging addresses.
7106         * config/crx/crx-protos.h: Add new declarations for above.
7107
7108 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7109
7110         PR middle-end/20624
7111         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7112         looking past it.
7113
7114 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7115
7116         * collect2.c (dup2): Delete.
7117         * configure.ac: Don't check for dup2.
7118
7119         * config.in, configure: Regenerate.
7120
7121 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7122
7123         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7124         record with the type of its only member.
7125
7126 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7127
7128         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7129         define_insn_and_split.
7130         (plus_ltu<mode>_compare): Same.
7131         (gtu<mode>_compare): Same.
7132         (plus_gtu<mode>_compare): Same.
7133
7134 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7135
7136         PR tree-optimization/22228
7137         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7138         todo_flags_start.
7139         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7140         are recorded in vect_vnames_to_rename for renaming.
7141         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7142         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7143         in vect_vnames_to_rename.
7144         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7145         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7146
7147 2005-08-18  Jan Hubicka  <jh@suse.cz>
7148
7149         PR c++/22034
7150         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7151         info only for local statics, not for member variables.
7152
7153 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7154
7155         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7156
7157 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7158
7159         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7160
7161 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7162
7163         PR middle-end/16045
7164         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7165
7166 2005-08-17  James E Wilson  <wilson@specifix.com>
7167
7168         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7169         array size check.
7170
7171 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7172
7173         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7174         (leu<mode>_compare): Same.
7175         (plus_leu<mode>): Same.
7176         (neg_leu<mode>): Same.
7177         (and_neg_leu<mode): Same.
7178         (ltu<mode>_compare): Same.
7179         (plus_ltu<mode>): Same.
7180         (geu<mode>): Same.
7181         (geu<mode>_compare): Same.
7182         (plus_geu<mode>): Same.
7183         (neg_geu<mode>): Same.
7184         (and_neg_geu<mode>): Same.
7185         (plus_gt<mode>): Same.
7186         (gtu<mode>_compare): Same.
7187         (plus_gtu<mode>): Same.
7188
7189 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7190
7191         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7192         Move call_table_data to end.  Delete spurious .text.
7193         (callt_save_all_interrupt): Fix comment typo.
7194
7195 2005-08-17  James E Wilson  <wilson@specifix.com>
7196             Kevin Winchester  <winchester@amirix.com>
7197
7198         PR target/21684
7199         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7200
7201 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7202
7203         PR target/23268
7204         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7205         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7206
7207 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7208
7209         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7210         record with the type of its only member if the modes don't match.
7211
7212         * varasm.c (decode_reg_name): Skip empty additional register names.
7213
7214 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7215
7216         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7217         lsm_tmp_name_length): New.
7218         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7219         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7220
7221 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7222             Andreas Krebbel  <krebbel1@de.ibm.com>
7223
7224         * config.gcc: Added z9-109 switch.
7225         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7226         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7227         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7228         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7229         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7230         for "z9_109" cpu attribute.
7231         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7232         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7233         (s390_handle_arch_option): Added z9-109 switch.
7234         (override_options): Set respective cost function for z9-109.
7235         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7236         (legitimate_reload_constant_p): Accept extended immediates.
7237         (print_operand): Three new output modifiers added: k, m and o.
7238         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7239         (s390_output_mi_thunk): Use extended immediate when possible.
7240         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7241         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7242         (CONSTRAINT_LEN): Added length of O constraint.
7243         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7244         * config/s390/s390.md ("cpu"): New value z9_109 added.
7245         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7246         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7247         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7248         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7249         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7250         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7251         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7252         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7253         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7254         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7255         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7256         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7257         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7258         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7259         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7260         immediates.
7261         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7262         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7263         insns for TARGET_EXTIMM.
7264
7265 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7266
7267         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7268
7269 2005-08-17  Nick Clifton  <nickc@redhat.com>
7270
7271         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7272         Call default_encode_section_info.
7273
7274 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7275
7276         PR tree-optimization/21574
7277         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7278         constant, return CONSTANT.
7279         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7280         (ccp_fold, visit_assignment): Likewise.
7281         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7282
7283 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7284
7285         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7286         fold_buildN instead of buildN then fold_initializer or fold.
7287         (build_unary_op): Likewise.
7288         (build_binary_op): Likewise.
7289         * fold-const.c (fold_initializer): Remove.
7290         (fold_build1_initializer): New function.
7291         (fold_build2_initializer): New function.
7292         (fold_build3_initializer): New function.
7293         * tree.h (fold_initializer): Remove.
7294         (fold_build1_initializer): New function.
7295         (fold_build2_initializer): New function.
7296         (fold_build3_initializer): New function.
7297
7298 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7299
7300         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7301         (try_move_mult_to_index): Call fold_build2 instead of build2.
7302         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7303         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7304         fold_binary_to_constant.
7305         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7306         fold (build.
7307         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7308         check if A == gcd (A, B).  Remove TYPE argument.
7309         (analyze_offset) Use fold_build2 instead of fold (build.
7310         (create_data_ref): Likewise.
7311         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7312         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7313         then fold.
7314
7315 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7316
7317         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7318         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7319
7320 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7321
7322         PR tree-opt/23402
7323         * gimplify.c (zero_sized_type): New function.
7324         (gimplify_modify_expr_rhs): If we have a zero sized type,
7325         replace the statement with an empty statement.
7326
7327 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7328
7329         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7330         fxsave.
7331
7332 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7333
7334         * doc/tm.texi (Label Output): Correct typo.
7335
7336 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7337
7338         PR target/23376
7339         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7340         force_operand will work later on using have_insn_for.
7341
7342 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7343
7344         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7345
7346 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7347
7348         PR c++/23337
7349         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7350         vector type, don't try to construct it element by element.  Add an
7351         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7352
7353 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7354
7355         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7356
7357 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7358
7359         * doc/invoke.texi (Precompiled Headers): Document some more options
7360         which are known to be safe.
7361
7362 2005-08-16  James E Wilson  <wilson@specifix.com>
7363
7364         PR tree-optimization/21105
7365         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7366         TREE_OVERFLOW check.
7367
7368 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7369
7370         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7371         (neg_ltu<mode>): Same.
7372         (gtu<mode>): Same.
7373         (neg_gtu<mode>): Same.
7374
7375 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7376
7377         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7378         (fold_builtin_isdigit): Use fold_buildN.
7379         (build_function_call_expr): Likewise.
7380         * c-typeck.c (c_finish_loop): Likewise.
7381
7382 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7383             Richard Shann <rshann@superh.com>
7384
7385         PR middle-end/20396:
7386         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7387
7388 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7389
7390         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7391
7392 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7393
7394         PR target/23355
7395         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7396         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7397         must be saved.
7398
7399 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7400
7401         PR middle-end/23369
7402         * fold-const.c (build_range_check): Disable optimization for function
7403         pointer expressions on targets that require function pointer
7404         canonicalization.
7405
7406 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7407
7408         * simplify-rtx.c (simplify_const_relational_operation): When
7409         extracting arguments of a COMPARE, recompute the mode as well.
7410
7411 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7412
7413         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7414
7415 2005-08-15  DJ Delorie  <dj@redhat.com>
7416
7417         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7418         the stack.
7419         (movsi_splittable): Allow, but split, moves to the stack.
7420         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7421         stack.
7422
7423 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7424
7425         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7426         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7427         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7428
7429         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7430         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7431         Delete HOST_PTR_PRINTF.
7432
7433         * configure, config.in: Regenerate.
7434
7435 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7436
7437         * config/rs6000/rs6000.md (QHSI): New mode macro.
7438         (wd): Extend mode attr for QImode and HImode
7439         (dbits): New mode attr.
7440         (zero_extend<mode>di2): Convert to mode macro.
7441
7442 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7443
7444         PR target/21841
7445         * doc/invoke.texi (-mgnu-ld): Update description.
7446         (-mhp-ld): Ditto.
7447
7448 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7449
7450         PR 23391
7451         * Makefile.in (tree-chrec.o): Depends on real.h.
7452         * tree-chrec.c: Include real.h.
7453         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7454         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7455         * tree-scalar-evolution.c (add_to_evolution_1,
7456         interpret_rhs_modify_expr): Ditto.
7457
7458 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7459
7460         PR 23386
7461         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7462         step is negative compute the estimation from init downwards to zero.
7463
7464 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7465
7466         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7467
7468 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7469
7470         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7471         constraint.
7472         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7473         Accept double-word constants that can be split.
7474         * config/s390/s390.md ("movti"): Use 'P' constraint.
7475         ("*movdi_31", "*movdf_31"): Likewise.
7476
7477 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7478
7479         Fix PR tree-optimization/22615
7480
7481         * tree-ssa-structalias.c (solution_set_add): Handle
7482         first_vi_for_offset returning NULL.
7483         (do_da_constraint): Ditto.
7484         (do_sd_constraint): Ditto.
7485         (do_ds_constraint): Ditto
7486         (find_func_aliases): Ditto.
7487         (build_constraint_graph): RHS is allowed be ANYTHING.
7488         (first_vi_for_offset): Return NULL if we couldn't find anything at
7489         the offset.
7490
7491 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7492
7493         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7494         over memory as first operand.
7495
7496 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7497
7498         PR target/23360
7499         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7500         available for setting it.
7501
7502 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7503
7504         PR tree-optimization/23320
7505         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7506         data-refs' types instead of base object nullness. Add check for
7507         pointer type data-refs before first location comparison. Remove
7508         assert.
7509
7510 2005-08-14  Andreas Schwab  <schwab@suse.de>
7511
7512         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7513
7514 2005-08-13  James E Wilson  <wilson@specifix.com>
7515
7516         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7517         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7518         -fstack-protector-all, --param ssp-buffer-size): Document.
7519         (-Wvariadic-macros): Alphabetize.
7520         (-fsched-stalled-insns-dep): Add missing 'f'.
7521
7522         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7523         macros.
7524
7525 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7526
7527         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7528         or indirect address operand.
7529         (EXTRA_ADDRESS_CONSTRAINT): New.
7530         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7531
7532 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7533
7534         PR tree-optimization/22236
7535         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7536         successors and predecessors.
7537         * tree-chrec.c (chrec_convert): Before converting, check that
7538         sequences don't wrap.
7539         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7540         (analyze_array): Extern.
7541         (find_data_references_in_loop): Remove call to
7542         compute_estimated_nb_iterations.
7543         * tree-data-ref.h (analyze_array): Declared.
7544         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7545         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7546         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7547         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7548         condition.
7549         * tree-ssa-loop-ivcanon.c: Fix documentation.
7550         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7551         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7552         (infer_loop_bounds_from_undefined): New.
7553         (estimate_numbers_of_iterations_loop): Use
7554         infer_loop_bounds_from_undefined.
7555         (used_in_pointer_arithmetic_p): New.
7556         (scev_probably_wraps_p): Pass an extra parameter.  Call
7557         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7558         (convert_step): Fix documentation.
7559         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7560         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7561         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7562         scev_probably_wraps_p.
7563
7564 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7565
7566         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7567         (s390_register_info): Ignore clobbered_regs information for fixed
7568         registers, and only fixed registers.
7569         (s390_init_frame_layout): Remove redundant call.
7570
7571 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7572
7573         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7574         description of -Wold-style-casts.
7575
7576 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7577             Jakub Jelinek  <jakub@redhat.com>
7578
7579         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7580         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7581         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7582         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7583         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7584         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7585         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7586         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7587         ("stack_protect_set", "stack_protect_test"): New expanders.
7588         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7589         "stack_protect_testdi"): New insn definitions.
7590
7591 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7592
7593         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7594
7595 2005-08-12  Paul Brook  <paul@codesourcery.com>
7596
7597         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7598
7599 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7600
7601         * config/s390/predicates.md (setmem_operand): New predicate.
7602         (shift_count_operand): Accept ANDs with special constants as
7603         operand.
7604         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7605         with special constants.
7606         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7607         shift_count_operand with setmem_operand.
7608
7609 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7610
7611         * config/s390/s390.c (s390_extract_part, s390_single_part):
7612         Type cast added.
7613         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7614         (s390_output_mi_thunk): Don't use lg on 31 bit.
7615         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7616         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7617
7618 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7619
7620         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7621         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7622         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7623         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7624         with one of the new macros.
7625
7626 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7627
7628         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7629         Don't set save_return_addr_p.
7630         (s390_register_info): Make clobbered_regs not depending on
7631         save_return_addr_p.
7632
7633 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7634
7635         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7636         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7637
7638 2005-08-11  James E. Wilson  <wilson@specifix.com>
7639
7640         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7641
7642 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7643
7644         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7645         locations gathered by var-tracking in single entry loc_list
7646         over loc_descriptor_from_tree.
7647
7648         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7649         pass it down to loc_descriptor.
7650         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7651         (containing_function_has_frame_base): Move earlier in the file.
7652         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7653         instead of always assuming fbreg can't be used.
7654
7655 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7656
7657         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7658         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7659         Accept address wrapped in AND for Altivec.
7660         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7661         Strip AND wrapping offset address for Altivec.
7662
7663 2005-08-11  Richard Henderson  <rth@redhat.com>
7664
7665         PR middle-end/23312
7666         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7667         before using TYPE_IS_SIZETYPE.
7668
7669 2005-08-11  Richard Henderson  <rth@redhat.com>
7670
7671         PR target/22225
7672         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7673         insn types not present on ev4.
7674         (alphaev5_insn_pipe): Similarly.
7675
7676 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7677
7678         PR target/23250
7679         * arm.c (arm_override_options): If the user has selected callee-super-
7680         interworking, then enable normal interworking.
7681
7682 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7683
7684         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7685         redefinition.
7686
7687 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7688
7689         * doc/rtl.texi: Fix two typos.
7690
7691 2005-08-11  Richard Guenther  <rguenther@suse.de>
7692
7693         PR target/23289
7694         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7695         cases where we call to/from functions returning void.
7696
7697 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7698
7699         PR c++/23225
7700         * tree.c (build_pointer_type_for_mode): Robustify.
7701
7702 2005-08-10  James E Wilson  <wilson@specifix.com>
7703
7704         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7705         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7706
7707         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7708         "cum->".
7709
7710 2005-08-10  Eric Christopher  <echristo@apple.com>
7711
7712         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7713         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7714         V2DFmode.
7715
7716 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7717
7718         PR target/21887
7719         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7720         for the high part when generating dynamic-no-pic code.
7721
7722 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7723
7724         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7725         (x86_64-*-linux*): Likewise.
7726
7727         * config/i386/crtfastmath.c: New file.
7728         * config/i386/t-crtfm: Likewise.
7729
7730         * config/i386/linux.h (ENDFILE_SPEC): New.
7731         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7732
7733         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7734         crtfastmath.o.
7735
7736 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7737
7738         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7739         (vec_shl, vec_shr): Document new operations.
7740         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7741
7742 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7743
7744         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7745         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7746         change predicate to indexed_or_indirect_address.
7747
7748 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7749
7750         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7751         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7752         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7753         and __aeabi_uwrite8.
7754         * config/arm/unaligned-funcs.c: New file.
7755         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7756
7757 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7758
7759         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7760         Add dump.
7761         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7762         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7763         Add dump.
7764         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7765         * final.c (pass_shorten_branches): Add dump.
7766         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7767         (pass_life): Rename dump.
7768         (rest_of_handle_flow2): Remove initial verify_flow_info.
7769         * function.c (pass_instantiate_virtual_regs): Add dump.
7770         * integrate.c (pass_initial_value_sets): Add dump.
7771         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7772         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7773         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7774         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7775         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7776         gate_rtl_unrool_and_peel_loops): New.
7777         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7778         rtl_doloop): Do not look at flags.
7779         * mode-switching.c (pass_mode_switching): Add dump.
7780         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7781         pass_split_before_regstack): Add dump.
7782         * regmove.c (pass_stack_adjustments): Add dump.
7783         * tree-optimize.c (pass_fixup_cfg): Add dump.
7784
7785 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7786
7787         PR 23309
7788         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7789         deciding which instruction sequence to use.
7790
7791 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7792
7793         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7794         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7795
7796 2005-08-09  Richard Guenther  <rguenther@suse.de>
7797
7798         * c-common.c (builtin_function_2): Remove.
7799         (def_builtin_1): New function.
7800         (c_common_nodes_and_builtins): Use def_builtin_1 to
7801         build builtin functions.
7802
7803 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7804
7805         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7806         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7807         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7808         Visual DSP.
7809
7810 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7811
7812         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7813         fold_binary instead of fold_build2 since we don't care about the
7814         resulting tree.
7815         (loop_niter_by_eval): Likewise.
7816         (compare_trees): Likewise.
7817         (proved_non_wrapping_p): Likewise.
7818
7819 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7820
7821         PR c/23161
7822         PR c/23165
7823         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7824         if the if is really empty.
7825
7826 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7827
7828         PR tree-optimization/23234
7829         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7830         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7831         argument of the new enum.
7832         (execute_cse_reciprocals): Add reciprocals for function arguments
7833         on the unique successor edge of the entry block.  Update other calls
7834         to execute_cse_reciprocals_1.
7835
7836 2005-08-08  Richard Henderson  <rth@redhat.com>
7837
7838         PR 22439
7839         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7840
7841 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7842
7843         * expr.c (write_complex_part): Return after handling MEM.
7844
7845 2005-08-08  Josh Conner  <jconner@apple.com>
7846
7847         PR rtl-optimization/23241
7848         * combine.c (simplify_comparison): Fix error in determining
7849         whether to lift a subreg from comparison.
7850
7851 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7852
7853         PR target/18506
7854         * config/rs6000/altivec.md (vec_init<mode>): New.
7855         (vec_set<mode>): New.
7856         (vec_extract<mode>): New.
7857         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7858         (rs6000_expand_vector_set): New.
7859         (rs6000_expand_vector_extract): New.
7860         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7861         for Altivec modes before reload.
7862         (altivec_expand_vec_init_builtin): New.
7863         (get_element_number): New.
7864         (altivec_expand_vec_set_builtin): New.
7865         (altivec_expand_vec_ext_builtin): New.
7866         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7867         builtins.
7868         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7869         builtins.
7870         * config/rs6000/rs6000.h (rs6000_builtins): Add
7871         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7872         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7873         * config/rs6000/rs6000-protos.h: Declare new functions.
7874
7875 2005-08-08  Jan Hubicka  <jh@suse.cz>
7876
7877         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7878         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7879         * i386.md (movdi*): Use pic_32bit_operand.
7880         * predicates.md (pic_32bit_operand): New.
7881
7882 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7883
7884         PR c++/21166
7885         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7886
7887 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7888
7889         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7890         (test_for_singularity): Use fold_build2.
7891
7892 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7893
7894         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7895
7896 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7897
7898         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7899         (COMMON_ASM_OP) Define.
7900         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7901         (ix86_encode_section_info): Likewise.
7902         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7903         SUBTARGET_ENCODE_SECTION_INFO.
7904
7905 2005-08-06  Richard Henderson  <rth@redhat.com>
7906
7907         PR 21894
7908         * tree-nested.c (convert_local_reference): Save and restore val_only
7909         around component_ref and friends.  Clear walk_subtrees by default.
7910
7911 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7912
7913         PR 21366
7914         * gcc.c (process_command): Check the argument to -b has a dash.
7915         * doc/invoke.texi: Update -b and -V docs.
7916
7917 2005-08-06  James E Wilson  <wilson@specifix.com>
7918
7919         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7920
7921 2005-08-06  Michael Matz  <matz@suse.de>
7922
7923         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7924         member only if only one insn is associated with the value.
7925
7926 2005-08-06  Nick Clifton  <nickc@redhat.com>
7927
7928         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7929         New define.
7930         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7931         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7932         Check symbol flags instead of symbol name mangling.
7933         (xstormy16_asm_output_aligned_common): Likewise.  Also
7934         simplify code since the bss100_section cass is the only case
7935         where the below100 code will be triggered.
7936         (xstormy16_encode_section_info): Encode below100 attribute
7937         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7938         the name.
7939         (xstormy16_strip_name_encoding): Delete - this function is no
7940         longer needed.
7941         (TARGET_STRIP_NAME_ENCODING): Undefine.
7942         * config/stormy16/stormy16-protos.h: Delete prototype for
7943         xstormy16_strip_name_encoding.
7944
7945 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7946
7947         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7948         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7949         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7950         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7951         config/alpha/predicates.md, config/arc/arc.h,
7952         config/arm/arm.h, config/arm/ieee754-df.S,
7953         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7954         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7955         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7956         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7957         config/m68hc11/m68hc11.h, config/mips/mips.c,
7958         config/mips/mips.h, config/mips/openbsd.h,
7959         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7960         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7961         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7962         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7963         config/sparc/linux.h, config/sparc/linux64.h,
7964         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7965         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7966         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7967         typos.  Follow spelling conventions.
7968
7969 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7970
7971         PR c/23113
7972         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7973         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7974         specially.  Check for side effects only for COND_EXPR.
7975         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7976         return with TREE_NO_WARNING.
7977
7978 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7979
7980         PR rtl-optimization/23233
7981         * loop.c (combine_movables): Require the modes to be the same.
7982         (move_movables): Remove handling of cases where the replacement
7983         had a different mode to the original.
7984
7985 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7986
7987         PR tree-optimization/23128
7988         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7989         subtraction wrap, and set TREE_OVERFLOW if they do.
7990
7991 2005-08-05  Richard Henderson  <rth@redhat.com>
7992
7993         PR 21728
7994         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7995         FORCED_LABEL labels.
7996
7997 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7998
7999         PR middle-end/23135
8000         * reload.c (find_reloads_subreg_address): Pass down TYPE
8001         unchanged.  Change all callers except find_reloads_toplev.
8002
8003 2005-08-05  Michael Matz  <matz@suse.de>
8004
8005         * genattrtab.c (current_alternative_string): Remove.
8006         (SIMPLIFY_ALTERNATIVE): Ditto.
8007         (attr_alt_bit_p): Ditto.
8008         (alternative_name): Make const char *.
8009         (evaluate_eq_attr): Remove use of above things.
8010         (simplify_test_exp): Ditto.
8011         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8012         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8013
8014 2005-08-04  James E Wilson  <wilson@specifix.com>
8015
8016         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8017         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8018         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8019         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8020         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8021
8022 2005-08-04  Richard Henderson  <rth@redhat.com>
8023
8024         PR 21529
8025         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8026         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8027         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8028         if we'd have to instantiate too many members.
8029
8030 2005-08-04  Richard Henderson  <rth@redhat.com>
8031
8032         PR 21291
8033         * tree-outof-ssa.c (coalesce_asm_operands): New.
8034         (coalesce_ssa_name): Use it.  Split out ...
8035         (coalesce_phi_operands, coalesce_result_decls): ... these.
8036
8037 2005-08-04  Paul Brook  <paul@codesourcery.com>
8038
8039         * read-rtl.c (read_quoted_string): Break if EOF.
8040
8041 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8042
8043         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8044         (fold_build2): Likewise.
8045         (fold_build3): Likewise.
8046         (fold_build1_stat): New function prototype.
8047         (fold_build2_stat): Likewise.
8048         (fold_build3_stat): Likewise.
8049         * fold-const.c (fold_build1): Rename to ..
8050         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8051         through to build1_stat.
8052         (fold_build2): Rename to ..
8053         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8054         through to build2_stat.
8055         (fold_build3): Rename to ..
8056         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8057         through to build3_stat.
8058
8059 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8060             Ian Lance Taylor  <ian@airs.com>
8061
8062         * function.c (assign_stack_local_1): Do not correct stack slot
8063         address if allocation size is smaller than mode size.
8064
8065 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8066
8067         PR 22037
8068         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8069         (tree_merge_blocks): Propagate anything allowed by
8070         may_propagate_copy.
8071         Clarify documentation.
8072         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8073         SSA form, schedule an update if necessary.
8074
8075 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8076
8077         * doc/install.texi (Binaries): Remove broken link to
8078         Sinix/Reliant Unix binaries.
8079
8080 2005-08-03  Richard Henderson  <rth@redhat.com>
8081
8082         PR 23221
8083         * function.c (stack_protect_epilogue): Export.
8084         * tree.h (stack_protect_epilogue): Declare.
8085         * calls.c (expand_call): Call it.
8086
8087 2005-08-03  Eric Christopher  <echristo@apple.com>
8088
8089         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8090         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8091         spec.
8092
8093 2005-08-04  Jan Hubicka  <jh@suse.cz>
8094
8095         * profile.c (branch_prob): Split edges with goto locus on them
8096         to get proper line counts.
8097         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8098
8099 2005-08-03  Paul Brook  <paul@codesourcery.com>
8100
8101         * function.c (assign_parms): Round current_function_args_size
8102         to PARM_BOUNDARY, not STACK_BOUNDARY.
8103
8104 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8105
8106         * config/i386/i386.c (x86_elf_aligned_common)
8107         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8108
8109 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8110
8111         PR tree-optimization/23157
8112         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8113         before emitting them.
8114
8115 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8116
8117         PR tree-optimization/19899
8118         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8119         * tree-scalar-evolution.c: Include real.h.
8120         (add_to_evolution): Build constant -1 of correct type.
8121
8122 2005-08-03  Jan Hubicka  <jh@suse.cz>
8123
8124         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8125         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8126         profile updating for complette unrolling.
8127         * loop-unroll.c (peel_loop_completely): Use it.
8128         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8129         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8130         loops.
8131
8132 2005-08-03  Paul Brook  <paul@codesourcery.com>
8133
8134         * combine.c (can_change_dest_mode): New function.
8135         (try_combine, simplify_set): Use it.
8136
8137 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8138
8139         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8140         TFmode to BLKmode.
8141
8142 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8143
8144         * doc/install.texi (Specific): Adjust link to openavr.org.
8145         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8146         (Binaries): Adjust HP-UX Porting Center link.
8147         (Binaries): Adjust Free Software Foundation ordering link.
8148
8149 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8150
8151         * convert.c (convert_to_integer): Use fold_build1 instead of
8152         build1 when converting an integer to an integer.
8153
8154 2005-08-02  Richard Henderson  <rth@redhat.com>
8155
8156         * combine.c (combine_instructions): Don't use reg_equal/equiv
8157         results if the mode doesn't match.
8158
8159 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8160
8161         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8162         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8163
8164 2005-08-02  Richard Henderson  <rth@redhat.com>
8165
8166         PR 23196
8167         * explow.c (memory_address): Remove special-case for
8168         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8169
8170 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8171
8172         PR 23164
8173         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8174         number of calls to cleanup_tree_cfg_1.
8175
8176 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8177
8178         * doc/invoke.texi: document file extensions .F90 and .F95
8179
8180 2005-08-02  Richard Guenther  <rguenther@suse.de>
8181
8182         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8183         positive if its first argument is positive.
8184
8185 2005-08-02  Richard Guenther  <rguenther@suse.de>
8186
8187         PR tree-optimization/23177
8188         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8189         on TMR_TAG.
8190
8191 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8192
8193         PR tree-optimization/23129
8194         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8195         varying for divisions with anti-ranges.
8196
8197 2005-08-02  Jan Hubicka  <jh@suse.cz>
8198
8199         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8200         * tree-ssa-threadupdate.c (thread_block): Add it here.
8201
8202 2005-08-01  James E Wilson  <wilson@specifix.com>
8203
8204         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8205         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8206         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8207         New.
8208         * config/mips/predicates.md (const_call_insn_operand): Add check for
8209         SYMBOL_REF_LONG_CALL_P.
8210         * doc/extend.texi (long_call): Document the new attribute.
8211
8212 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8213             Richard Henderson  <rth@redhat.com>
8214
8215         * Makefile.in (RTL_BASE_H): Add real.h.
8216         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8217         instead of memcpy.
8218         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8219         directly.
8220         * rtl.c (rtl_check_failed_code_mode): New.
8221         * rtl.h (struct rtx_def): Add u.rv.
8222         (XCMWINT, XCNMPRV): New.
8223         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8224         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8225
8226 2005-08-01  Richard Henderson  <rth@redhat.com>
8227
8228         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8229         with auto-inc codes.
8230
8231         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8232
8233 2005-08-01  Jan Hubicka  <jh@suse.cz>
8234
8235         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8236         * i386.c: Include dwarf2.h
8237         (asm_preferred_eh_data_format): New.
8238         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8239
8240 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8241
8242         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8243         randomize_va_space for virtual address randomization control.
8244
8245 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8246
8247         * common.opt (flag_ipa_cp): Put in right place to maintain
8248         alphabetic sort.
8249
8250 2005-08-01  Jan Hubicka  <jh@suse.cz>
8251
8252         * profile.c (compute_value_histograms): Fix thinko.
8253         * value-prof.c: Include toplev.h
8254         (check_counter): New function.
8255         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8256         tree_mod_subtract_transform): Add sanity check.
8257
8258 2005-08-01  Richard Guenther  <rguenther@suse.de>
8259
8260         PR tree-optimization/23133
8261         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8262         current functions parameter decls to find defs to cse
8263         reciprocals of.
8264
8265 2005-08-01  Richard Guenther  <rguenther@suse.de>
8266
8267         PR tree-optimization/23109
8268         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8269         If trapping math is in effect, use post-dominator information
8270         to check if we'd in any case reach a trapping point before
8271         doing the reciprocal insertion.
8272         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8273         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8274         expressions are invariant only if trapping math is not in effect.
8275
8276 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8277
8278         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8279         cgraph_function_versioning): New declarations.
8280         * cgraphunit.c: Add include to ipa-prop.h.
8281         (update_call_expr, cgraph_copy_node_for_versioning,
8282         cgraph_function_versioning): New functions.
8283         * integrate.c (copy_decl_for_inlining): Remove.
8284         * ipa-prop.h (ipa_replace_map): New struct.
8285         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8286         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8287         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8288         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8289         ipcp_iterate_stage, ipcp_method_scale_print,
8290         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8291         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8292         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8293         ipcp_update_bb_counts, ipcp_update_profiling,
8294         ipcp_update_edges_counts): New functions.
8295         (ipcp_method_cval_init): Remove restriction regarding local methods.
8296         (ipcp_init_stage): Add ipcp_method_compute_scale.
8297         (ipcp_insert_stage): Add versioning.
8298         (ipcp_structures_print): Add ipcp_method_scale_print.
8299         (ipcp_driver): Dump profiling info.
8300         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8301         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8302         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8303         (struct inline_data): Add versioning_p, ipa_info, new fields.
8304         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8305         declare_return_variable): Replace calls to copy_decl_for_inlining with
8306         copy_decl_for_dup.
8307         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8308         versioning support.
8309         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8310         Add argument VERSIONING.
8311         (copy_arguments_for_versioning, copy_static_chain,
8312         function_versionable_p, tree_versionable_function_p,
8313         tree_function_versioning, replace_ref_tree): New functions.
8314         * tree-inline.h: Include varray.h.
8315         (tree_versionable_function_p,  tree_function_versioning,
8316         tree copy_decl_for_dup): New declarations.
8317
8318 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8319
8320         * ipa-cp.c: New file. Contains IPCP specific functionality.
8321         * ipa-prop.h: New file. Contains structures/definitions that can be
8322         used by several interprocedural data flow optimizations (and also IPCP).
8323         * ipa-prop.c: New file.
8324         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8325         * common.opt: Add ipa-cp flag.
8326         * timevar.def: Add IPCP optimization.
8327         * tree-optimize.c (init_tree_optimization_passes): Schedule
8328         pass_ipa_cp.
8329         * tree-pass.h (pass_ipa_cp): Declare.
8330
8331 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8332
8333         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8334         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8335         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8336         config/i386/i386.c, config/mips/mips.h,
8337         config/rs6000/rs6000.h, config/sh/sh.c,
8338         config/stormy16/stormy16.c: Fix comment typos.
8339
8340 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8341
8342         PR c/22311
8343         * c-typeck.c (build_binary_op): Use common_type wrapper on
8344         shortened types.
8345         (common_type): Update comment.
8346
8347 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8348
8349         PR target/23095
8350         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8351         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8352         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8353
8354 2005-07-31  Jan Hubicka  <jh@suse.cz>
8355
8356         * pretty-print.h (pp_widest_integer): New macro.
8357         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8358         counts.
8359
8360 2005-07-31  Jan Hubicka  <jh@suse.cz>
8361
8362         * output.h (enum section_category): Export from varasm.c
8363         (categorize_decl_for_section): Likewise.
8364         * varasm.c (enum section_category): Kill.
8365         (categorize_decl_for_section): Make global.
8366         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8367         Declare.
8368         * i386.c (ix86_section_threshold): New static variable.
8369         (ix86_in_large_data_p, ix86_encode_section_info,
8370         x86_64_elf_unique_section,
8371         x86_64_elf_select_section): New functions.
8372         (TARGET_ENCODE_SECTION_INFO): Define
8373         (override_options): Enable medium model for PIC.
8374         (ix86_expand_prologue): Expand gen_set_got_rex64.
8375         (legitimate_constant_p): Handle new UNSPECs.
8376         (legitimate_pic_address_disp_p): Likewise.
8377         (legitimize_pic_address): Lower MEDIUM model addressing.
8378         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8379         (enum cmodel): Add MEDIUM_PIC.
8380         (SYMBOL_REF_FAR_ADDR_P): New macro.
8381         (SYMBOL_FLAG_FAR_ADDR): New flag.
8382         * i386.md (movdi): Support medium model.
8383         (set_got_rex64): New pattern.
8384         * i386.opt (mlarge-data-threshold): New flag.
8385         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8386         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8387         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8388         TARGET_ASM_UNIQUE_SECTION): New.
8389
8390         * invoke.texi (-mlarge_data_threshold): Document
8391
8392 2005-07-31  Jan Hubicka  <jh@suse.cz>
8393
8394         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8395         (coalesce_vars): Likewise.
8396         * tree-ssa-live.c (coalesce_cost): New.
8397         (build_tree_conflict_graph): Use coalesce_cost.
8398         * tree-ssa-live.h (coalesce_cost): Declare.
8399
8400 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8401
8402         * arm.md (all peepholes for post-increment operations): Delete.
8403         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8404         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8405         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8406         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8407         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8408
8409 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8410
8411         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8412         non-integral types.
8413
8414 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8415
8416         PR target/22582
8417         * doc/invoke.texi: Document -rdynamic.
8418
8419 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8420
8421         PR c/23143
8422         * c-parser.c (c_parser_parms_list_declarator): Call
8423         mark_forward_parm_decls.
8424         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8425         decls with visibility structure.
8426
8427 2005-07-30  Paul Brook  <paul@codesourcery.com>
8428
8429         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8430
8431 2005-07-30  Paul Brook  <paul@codesourcery.com>
8432
8433         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8434         prototype.
8435         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8436         value for mode.
8437         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8438
8439 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8440
8441         PR c/529
8442         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8443         nested function declarators.
8444         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8445         (grokparms): Call warn_if_shadowing for parameters used within the
8446         parameter list.
8447         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8448         not used within the parameter list.
8449         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8450
8451 2005-07-30  Jan Hubicka  <jh@suse.cz>
8452
8453         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8454         * i386.c (ix86_fixup_binary_operands): Likewise.
8455         (ix86_expand_unary_operator): Likewise.
8456         (ix86_expand_fp_absneg_operator): Likewise.
8457         * optabs.c (expand_vec_cond_expr): Validate dest.
8458
8459 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8460
8461         PR c/21720
8462         * real.c (real_from_string): Also set last bit if there is a
8463         nonzero hex digit beyond GCC's internal precision after ".".
8464
8465 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8466
8467         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8468         define_constants.  Change duplicate values to unassigned numbers.
8469         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8470         (*altivec_vspltsf): New.
8471         (altivec_vperm_v4sf): Delete.
8472         (altivec_vperm_<mode>): Use mode macro V.
8473         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8474         (altivec_predicate_v4sf): Delete.
8475         (altivec_predicate_<mode>): Use mode macro V.
8476         (*altivec_lvesfx): New.
8477         (*altivec_stvesfx): New.
8478         (vec_realign_load_v4sf): Delete.
8479         (vec_realign_load_<mode>): Use mode macro V.
8480         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8481         UNSPECV_SET_VRSAVE.
8482
8483 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8484
8485         PR bootstrap/23131
8486         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8487         string.
8488         * configure: Regenerated.
8489
8490 2005-07-29  Paul Brook  <paul@codesourcery.com>
8491
8492         * doc/install.texi: Add link to GFortran binaries wiki page.
8493
8494 2005-07-29  David Ung  <davidu@mips.com>
8495
8496         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8497         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8498         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8499         * config/mips/mips.md (cpu): Add 5kf name.
8500         (includes): Includes 5k.md.
8501         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8502         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8503         -march flag.
8504
8505 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8506
8507         PR 22550
8508         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8509         (cleanup_tree_cfg): ... here.
8510         Call cleanup_tree_cfg_1 until there are no more cleanups to
8511         do.
8512
8513 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8514
8515         * tree-vrp.c (compare_range_with_value): Return true or false
8516         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8517         EQ_EXPR respectively.
8518
8519 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8520
8521         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8522         Fix comment typos.
8523
8524 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8525
8526         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8527         (tree_ssa_dominator_optimize): Increment it.
8528         (dump_dominator_optimization_stats): Print it.
8529
8530 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8531             Steven Bosscher  <stevenb@suse.de>
8532
8533         PR rtl-optimization/23117
8534         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8535         when head == tail.  Tidy comment.
8536
8537 2005-07-28  Richard Henderson  <rth@redhat.com>
8538
8539         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8540         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8541         * jump.c (rtx_renumbered_equal_p): Likewise.
8542         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8543         CONST_INT and CONST_DOUBLE.
8544         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8545         * reload.c (operands_match_p): Special case CONST_INT and
8546         CONST_DOUBLE; check mode earlier.
8547
8548 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8549
8550         PR c/22240
8551         * c-typeck.c (convert_for_assignment): Do not check
8552         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8553
8554 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8555
8556         PR c/22192
8557         * c-typeck.c (composite_type): Prefer constant size arrays to
8558         VLAs.
8559
8560 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8561
8562         PR c/21720
8563         * real.c (real_from_string): Set last bit if there is a nonzero
8564         hex digit beyond GCC's internal precision.
8565
8566 2005-07-28  Richard Henderson  <rth@redhat.com>
8567
8568         PR rtl-opt/22619
8569         * cfgcleanup.c (try_forward_edges): Watch out for end of
8570         insn chain.
8571
8572 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8573
8574         PR c/23106
8575         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8576
8577 2005-07-28  Jan Hubicka  <jh@suse.cz>
8578
8579         * Makefile.in (rtl-profile.o): Kill all traces of it.
8580         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8581         * coverage.h (rtl_coverage_counter_ref): Kill.
8582         * opts.c (flag_speculative_prefetching_set): Kill.
8583         (flag_loop_optimize_set): New.
8584         (common_handle_option): Disable loop optimizer when profiling;
8585         do not handle speculative prefetching.
8586         * passes.c (init_optimization_passes): Replace pass_profiling combo
8587         by branch_prob pass.
8588         * profile.c (compute_value_histograms): Update for simplified value
8589         profiles.
8590         (rtl_register_profile_hooks): Kill.
8591         (pass_profiling): Kill.
8592         (rest_of_handle_branch_prob): Do not profile.
8593         * toplev.c (process_options): Remove speculative prefetching.
8594         * toplev.h (flag_tree_based_profiling): Kill.
8595         * tree-profile.c (prepare_instrumented_value,
8596         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8597         tree_gen_one_value_profiler, do_tree_profiling): Update for
8598         simplified datastructures.
8599         * value-prof.c: Add comment that speculative prefetching was dropped;
8600         update rest of file for simplified datastructures.
8601         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8602         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8603         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8604         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8605         rtl_mod_subtract, gen_speculative_prefetch,
8606         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8607         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8608         (gate_handle_value_profile_transformations,
8609         rest_of_handle_value_profile_transformations,
8610         pass_value_profile_transformations): Kill.
8611         * value-prof.h (histogram_value_t): Remove IL based unions.
8612         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8613         rtl_profile_hooks): Remove hooks.
8614
8615         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8616
8617         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8618         (cgraph_clone_node): Likewise.
8619         * cgraph.h (cgraph_clone_edge): Update prototype.
8620         (cgraph_clone_node): Likewise.
8621         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8622         cgraph_clone_node.
8623         (lookup_recursive_calls): Consider profile.
8624         (cgraph_decide_recursive_inlining): Fix updating; use new
8625         probability argument; use profile.
8626         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8627         * tree-inline.c (copy_bb): Update clal of clone_edge.
8628         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8629
8630         * invoke.texi (min-inline-recursive-probability): Document.
8631
8632 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8633
8634         * doc/install.texi (Configuration): Update Valgrind homepage.
8635
8636 2005-07-28  Richard Henderson  <rth@redhat.com>
8637
8638         PR middle-end/21362
8639         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8640         labels we want to delete.
8641         (cfg_layout_merge_blocks): Likewise.
8642
8643 2005-07-28  Richard Henderson  <rth@redhat.com>
8644
8645         PR target/17692
8646         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8647         when expanding to nothing.
8648
8649 2005-07-28  Josh Conner  <jconner@apple.com>
8650
8651         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8652         (cgraph_decide_inlining_of_small_functions): Likewise.
8653
8654 2005-07-28  Josh Conner  <jconner@apple.com>
8655
8656         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8657         direction of badness if negative.
8658         (cgraph_default_inline_p): Add reason to parameters, and assign it
8659         a value.
8660         (cgraph_decide_inlining_of_small_functions): New parameter in call
8661         to cgraph_default_inline_p.
8662         (cgraph_decide_inlining_incrementally): Likewise.
8663         * cgraphunit.c (decide_is_function_needed): Likewise.
8664         * cgraph.h (cgraph_default_inline_p): Likewise.
8665
8666 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8667
8668         * builtins.c: Fix comment typo(s).
8669         * genautomata.c: Likewise.
8670         * gimplify.c: Likewise.
8671         * tree-dfa.c: Likewise.
8672         * tree-flow-inline.h: Likewise.
8673         * tree-into-ssa.c: Likewise.
8674         * tree-ssa-alias.c: Likewise.
8675         * tree-ssa-ccp.c: Likewise.
8676         * tree-ssa-copy.c: Likewise.
8677         * tree-ssa-dce.c: Likewise.
8678         * tree-ssa-dom.c: Likewise.
8679         * tree-ssa-operands.c: Likewise.
8680         * tree-tailcall.c: Likewise.
8681         * tree-vectorizer.c: Likewise.
8682         * tree-vrp.c: Likewise.
8683         * tree.c: Likewise.
8684
8685 2005-07-28  Jeff Law  <law@redhat.com>
8686
8687         * tree-vrp.c (test_for_singularity): Extracted from  ...
8688         (simplify_cond_using_ranges): Attempt to simplify a relational
8689         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8690
8691 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8692
8693         PR tree-optimization/22506
8694         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8695         phis whose argument is constant.
8696
8697 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8698
8699         PR rtl-optimization/18992
8700         Back out this patch:
8701           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8702           PR optimization/12142
8703           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8704           uses of the register in the SET_SRC.  Remove unnecessary argument.
8705
8706         Replace it with this:
8707         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8708         if flag_non_call_exceptions is set and the insn may trap, pass
8709         pc_rtx as dest for recursion.
8710         In SET_SRC part of SET case, if dest is already set, pass it down
8711         unchanged.
8712
8713 2005-07-28  Jan Hubicka  <jh@suse.cz>
8714
8715         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8716         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8717         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8718         roundoff errors.
8719         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8720         profile when available.
8721
8722 2005-07-28  Jan Beulich <jbeulich@novell.com>
8723
8724         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8725         (ia64_print_operand): Describe and handle 'X'.
8726         (ia64_register_move_cost): Also handle FP_REGS.
8727         (ia64_preferred_reload_class): Likewise.
8728         (ia64_secondary_reload_class): Likewise.
8729         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8730         it. Also check for ITANIUM_CLASS_FLDP.
8731         * config/ia64/ia64.h (FP_REGNO_P): New.
8732         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8733         (reg_class): Add FP_REGS.
8734         (REG_CLASS_NAMES): Adjust for it.
8735         (REG_CLASS_CONTENTS): Likewise.
8736         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8737         (REG_CLASS_FROM_LETTER): Handle 'x'.
8738         (CLASS_MAX_NREGS): Handle FP_REGS.
8739         (MEMORY_MOVE_COST): Likewise.
8740         * config/ia64/ia64.md (itanium_class): Add fldp.
8741         (type): Handle fldp.
8742         (movti_internal): More allowable operand combinations. Use ldfp8 when
8743         splitting unnecessary. Remove predicable attribute. Adjust
8744         itanium_class attribute.
8745         (smuldi3_highpart): Remove outdated comment.
8746         (mulditi3, umulditi3, rotlti3): New expanders.
8747         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8748         (absti2): Disabled new insn for future reference.
8749         Respective new splitters.
8750         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8751         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8752         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8753
8754 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8755
8756         PR rtl-optimization/23047
8757         * simplify-rtx.c (simplify_const_relational_operation): Respect
8758         flag_wrapv for comparisons with ABS.
8759
8760 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8761
8762         PR tree-optimization/22493
8763         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8764         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8765
8766 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8767
8768         * config/frv/frv.opt (moptimize-membar): New.
8769
8770         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8771
8772         * config/frv/frv.h: Remove machine_function definition.
8773
8774         * config/frv/frv.c (struct frv_io): New.
8775         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8776         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8777         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8778         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8779         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8780         (frv_reorg): Call frv_optimize_membar when appropriate.
8781         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8782         (frv_expand_builtin): Adjust calls accordingly.
8783         (frv_io_address_cookie): New function.
8784         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8785         load or store rather than a special insn.  Add ccnstant address and
8786         io-type operands to the membar.
8787         (frv_ifcvt_modify_tests): Unsign regno.
8788         (frv_ifcvt_modify_tests): Same.
8789
8790         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8791         UNSPEC_OPTIONAL_MEMBAR constant.
8792         (builtin_read_<mode>): Delete.
8793         (builtin_write_<mode>): Delete.
8794         ("optional_membar_<mode>"): Add operand.
8795
8796         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8797         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8798         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8799         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8800         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8801         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8802         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8803         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8804         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8805
8806 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8807
8808         * df.c (df_uses_record): Handle SCRATCH.
8809
8810 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8811
8812         PR debug/20161
8813         * passes.c (rest_of_decl_compilation): If decl is a type and
8814         we have encountered errors, don't emit debug information.
8815
8816 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8817
8818         * params.def: Fixed comment.
8819
8820 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8821
8822         PR target/19885
8823         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8824         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8825         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8826
8827 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8828
8829         PR c++/22003
8830         * varasm.c (assemble_start_function): Don't do anything that may
8831         require a CFG if the current function is a thunk.
8832
8833 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8834
8835         * doc/install.texi (Prerequisites): Mention that perl is needed
8836         to do export control in libstdc++ targetting Darwin.
8837
8838 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8839
8840         PR rtl-optimization/17808
8841         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8842         (sched_insns_conditions_mutex_p): Split out from...
8843         (add_dependence): ...here.  But don't call it from here.
8844         (add_dependence_list): Check sched_insns_conditions_mutex_p
8845         before calling add_dependence.
8846         (add_dependence_list_and_free): Likewise.
8847         (fixup_sched_groups): Likewise.
8848         (sched_analyze_1): Likewise.
8849         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8850         (sched_analyze): Likewise.
8851         (sched_analyze_insn): Likewise.
8852         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8853         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8854         dependencies on all COND_EXEC insns to jumps ending basic blocks
8855         when doing intrablock scheduling.
8856         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8857
8858 2005-07-27  Jeff Law  <law@redhat.com>
8859
8860         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8861         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8862         equivalency sets, correctly handle the case were vr0 has an
8863         equivalency set, but vr1 does not.
8864
8865 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8866
8867         PR tree-optimization/23073
8868         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8869         vect_print_dump_info before fprintf.
8870
8871 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8872
8873         PR tree-optimize/22348
8874         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8875         Fold the partial computation.
8876
8877 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8878
8879         PR tree-optimization/22325
8880         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8881         Declare.
8882         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8883         value replacement.
8884         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8885         (force_var_cost): ... this function.
8886         (compute_phi_arg_on_exit): Export.
8887
8888 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8889
8890         PR tree-optimization/20773
8891         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8892         edge.
8893
8894 2005-07-27  Richard Guenther  <rguenther@suse.de>
8895
8896         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8897         Avoid pushing again if current struct contains only
8898         fields we decomposed.
8899
8900 2005-07-27  Jan Hubicka  <jh@suse.cz>
8901
8902         PR tree-optimization/22574
8903         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8904         not available.
8905
8906         * tree-tailcall.c (decrease_profile): New function.
8907         (eliminate_tail_call): Use it.
8908
8909         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8910         visibility flags correctly in whole program mode.
8911
8912 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8913
8914         PR rtl-optimization/22472
8915         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8916
8917 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8918
8919         PR tree-optimization/22504
8920         * tree-complex.c (expand_complex_addition): Use 'code' instead
8921         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8922
8923 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8924
8925         * config.gcc (cpu_type): Add frv case.
8926         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8927         (supported_defaults): Add fr550 case.
8928
8929 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8930
8931         PR 22591
8932         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8933         whether a pointer of type T * may point to objects of type T *.
8934
8935 2005-07-26  DJ Delorie  <dj@redhat.com>
8936
8937         * configure: Regenerate.
8938
8939 2005-07-26  Dale Johannesen  <dalej@apple.com>
8940
8941         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8942
8943 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8944
8945         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8946         Clarify use of "build" in name.
8947
8948 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8949
8950         * doc/extend.texi (Raw read/write Functions): New section.
8951         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8952         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8953         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8954         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8955         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8956         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8957         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8958         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8959         * config/frv/frv.c: Add bdesc_loads global.
8960         Add bdesc_stores global.
8961         (frv_init_builtins): Add support for __builtin_{read/write}*.
8962         (frv_volatile_memref): New.
8963         (frv_expand_load_builtin): New.
8964         (frv_expand_store_builtin): New.
8965         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8966         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8967         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8968         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8969         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8970         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8971         (builtin_read_<mode>): New.
8972         (builtin_write_<mode>): New.
8973         (builtin_write64): New.
8974         (optional_membar_<mode>): New.
8975
8976 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8977
8978         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8979         (rather than units) against HOST_BITS_PER_WIDE_INT.
8980
8981 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8982
8983         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8984         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8985         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8986         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8987         FSF address.
8988
8989         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8990         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8991         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8992         comment typos.
8993         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8994
8995 2005-07-26  Richard Guenther  <rguenther@suse.de>
8996
8997         PR tree-optimization/22486
8998         * fold-const.c (fold_unary): Fold away useless component
8999         references of the form (T *)&T.x, if the address
9000         doesn't change.
9001
9002 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9003
9004         * dwarf2out.c (add_call_src_coords_attributes): New.
9005         (gen_inlined_subroutine_die): Call it.
9006         (maybe_emit_file, init_file_table): Add comments.
9007         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9008         maybe_emit_file.
9009         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9010         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9011         * tree.h (BLOCK_SOURCE_LOCATION): New.
9012         (struct tree_block): New field locus.
9013
9014 2005-07-26  Andreas Schwab  <schwab@suse.de>
9015
9016         PR rtl-optimization/23043
9017         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9018         when allocating a struct unoccr.
9019
9020 2005-07-25  Richard Henderson  <rth@redhat.com>
9021
9022         PR 22626
9023         * tree-complex.c (gate_no_optimization): True if errors.
9024         * Makefile.in (tree-complex.o): Update dependencies.
9025
9026 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9027
9028         * config/frv/predicates.md (integer_register_operand): Use
9029         GPR_AP_OR_PSEUDO_P.
9030
9031 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9032
9033         PR tree-opt/22484
9034         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9035         after fold.
9036         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9037
9038 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9039
9040         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9041         types when flag_unsafe_math_optimizations is true.
9042
9043 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9044
9045         * gcc.c (option_map): Add --sysroot.
9046         (process_command): Handle --sysroot.
9047         (display_help): Document it.
9048         * doc/cppopts.tex (-isysroot): Document.
9049         * doc/invoke.texi (--sysroot): Document.
9050         * doc/install.texi (--with-build-sysroot): Document.
9051
9052         * Makefile.in (inhibit_libc): New variable.
9053         (INHIBIT_LIBC_CFLAGS): Likewise.
9054         (LIBGCC2_CFLAGS): Include
9055         $(INHIBIT_LIBC_CFLAGS).
9056         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9057         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9058         ($(T)crtend.o): Likewise.
9059         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9060         ($(T)crtendS.o): Likewise.
9061         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9062         ($(T)crtendT.o): Likewise.
9063         (stmp-fixinc): Do not complain about missing headers if
9064         inhibit_libc.
9065         * configure.ac (inhibit_libc): Set it to true/false.
9066         (--with-build-sysroot): New option.  Use it to set
9067         SYSTEM_HEADER_DIR.
9068         * configure: Regenerated.
9069
9070 2005-07-25  Manfred Hollstein  <mh@suse.com>
9071
9072         * calls.c (store_one_arg): Fix unsigned comparison warning.
9073
9074 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9075
9076         PR other/22337
9077         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9078         (ggc_print_statistics): Initialize variable before use.
9079
9080 2005-07-25  Richard Guenther  <rguenther@suse.de>
9081
9082         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9083         calling with a PHI_NODE argument.
9084
9085         * tree-flow-inline.h (overlap_subvar): Protect against
9086         possible overflow.
9087
9088 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9089
9090         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9091         * configure: Regenerate.
9092
9093 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9094
9095         * expr.c (highest_pow2_factor): Make extern.
9096         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9097         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9098         record_array_differ_p, array_ptr_differ_p): Likewise.
9099         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9100         additional cases. Call the above functions.
9101         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9102         base_object_differ_p when there are two base objects. Otherwise, compare
9103         base address and offset. Call may_alias_p.
9104         (dump_data_reference): Use a correct field name.
9105         (analyze_array): Make static. Initialize new data-ref fields.
9106         (analyze_indirect_ref): New function.
9107         (init_data_ref): Initialize new data-ref fields.
9108         (strip_conversion): Moved from tree-vect-analyze.c.
9109         (analyze_offset_expr, get_ptr_offset, address_analysis,
9110         object_analysis): Likewise.
9111         (analyze_offset): New function.
9112         (create_data_ref): Likewise.
9113         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9114         dimensions for ARRAY_REFs only.
9115         (build_classic_dist_vector): Make static.
9116         (access_functions_are_affine_or_constant_p): Call macro to get the
9117         address of access functions.
9118         (compute_all_dependences): Add new parameter
9119         compute_self_and_read_read_dependences. Compute self and read-read
9120         dependences if it is true.
9121         (find_data_references_in_loop): Call create_data_ref. Initialize new
9122         data-ref fields.
9123         (compute_data_dependences_for_loop): Add new parameter
9124         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9125         compute nb_loops. Call compute_all_dependences,
9126         build_classic_dist_vector and build_classic_dir_vector with correct
9127         parameters.
9128         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9129         with correct parameters. Compare dimensions for ARRAY_REFs only.
9130         (free_data_refs): Call macro to free access functions.
9131         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9132         fields from stmt_vinfo.
9133         (struct base_object_info): New structure.
9134         (struct data_reference): Move fields to base_object_info. Add fields
9135         first_location and object_info for above structures. Move fields from
9136         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9137         aligned_to.  Add macros to access the new fields.
9138         Update functions declarations.
9139         * tree-flow.h (is_aliased_with): Declare.
9140         * tree-loop-linear.c (linear_transform_loops): Call
9141         compute_data_dependences_for_loop with correct parameters.
9142         * tree-ssa-alias.c (is_aliased_with): New function.
9143         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9144         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9145         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9146         vect_base_addr_differ_p, compute_subscript_distance and
9147         build_classic_dist_vector. Add printings. Check absolute value of
9148         distance.
9149         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9150         data-refs.
9151         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9152         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9153         to bytes. Add printing.
9154         (vect_compute_data_refs_alignment): Go through loads and stores in one
9155         loop.
9156         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9157         vect_analyze_data_ref_access): Likewise.
9158         (vect_analyze_pointer_ref_access): Remove.
9159         (vect_address_analysis, vect_object_analysis): Likewise.
9160         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9161         and analyze data-refs in the loop.
9162         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9163         fields of data-ref instead of stmt. Add init to the offset from the
9164         base.
9165         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9166         (vect_update_init_of_dr): Likewise.
9167         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9168         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9169         removed fields.
9170         (new_loop_vec_info): Initialize new fields.
9171         (destroy_loop_vec_info): Free new fields.
9172         (vect_strip_conversion): Remove.
9173         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9174         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9175         datarefs. Add new field ddrs.
9176         Add macros for the new fields access.
9177         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9178         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9179         Remove their macros.
9180         * tree.h (highest_pow2_factor): Declare.
9181
9182 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9183
9184         * calls.c (store_one_arg): Check for sibling call MEM arguments
9185         from already clobbered incoming argument area.
9186
9187 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9188
9189         * c-common.c (check_missing_format_attribute): New.
9190         * c-common.h (check_missing_format_attribute): Likewise.
9191         * c-typeck.c (convert_for_assignment): Use it.
9192
9193 2005-07-24  Andreas Schwab  <schwab@suse.de>
9194
9195         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9196         register use a word move.  Correct operand of ext.w in 68000 code.
9197
9198 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9199
9200         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9201         variables as declarations, rather than definitions.
9202
9203 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9204
9205         PR tree-optimization/22526
9206         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9207         of the zero node.
9208
9209 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9210
9211         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9212         that C99 reserve for future use. Use it to define clog10,
9213         clog10f and clog10l.
9214
9215 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9216
9217         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9218         * configure.ac: Check for -Wmissing-format-attribute.
9219
9220         * configure: Regenerate.
9221
9222 2005-07-23  Richard Henderson  <rth@redhat.com>
9223
9224         PR tree-optimization/22623
9225         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9226
9227 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9228
9229         PR target/22577
9230         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9231
9232 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9233
9234         * Makefile.in (C_TREE_H): Update dependencies.
9235         * c-tree.h: Include toplev.h.
9236         * diagnostic.h (diagnostic_set_info): Add format attribute.
9237         * rtl-error.c (diagnostic_for_asm): Likewise.
9238
9239 2005-07-23  Chao-ying Fu  <fu@mips.com>
9240
9241         * config/mips/mips-dsp.md: New file.
9242         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9243         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9244         functions.
9245         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9246         MIPS_BUILTIN_BPOSGE32.
9247         (mips_expand_builtin_direct): Add one parameter to indicate that
9248         builtin functions need to return a value.
9249         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9250         functions.
9251         (mips_regno_to_class): Add classes for 12 new DSP registers.
9252         (mips_subword): Change to check four HI registers.
9253         (mips_output_move): Output move to and from 6 new DSP accumulators.
9254         (override_options): Make sure -mdsp and -mips16 are not used together.
9255         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9256         for machine modes.
9257         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9258         when !TARGET_DSP.
9259         (print_operand): Add 'q' for printing DSP accumulators.
9260         (mips_cannot_change_mode_class): Check ACC_REGS.
9261         (mips_secondary_reload_class): Check ACC_REGS.
9262         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9263         (mips_register_move_cost): Check ACC_REGS.
9264         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9265         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9266         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9267         (dsp_bdesc): New array.
9268         (bdesc_arrays): Add DSP builtin function table.
9269         (mips_prepare_builtin_arg): Check predicate again after
9270         copy_to_mode_reg.
9271         (mips_expand_builtin): Add one more parameter to
9272         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9273         MIPS_BUILTIN_BPOSGE32.
9274         (mips_init_builtins): Initialize new function types.
9275         (mips_expand_builtin_direct): Check if builtin functions need to
9276         return a value and pass operands properly.
9277         (mips_expand_builtin_bposge): New function.
9278         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9279         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9280         (FIRST_PSEUDO_REGISTER): Increase to 188.
9281         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9282         Update for 12 new DSP registers.
9283         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9284         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9285         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9286         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9287         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9288         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9289         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9290         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9291         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9292         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9293         (REGISTER_NAMES): Add names for 12 new DSP registers.
9294         * config/mips/mips.md: Include mips-dsp.md.
9295         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9296         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9297         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9298         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9299         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9300         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9301         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9302         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9303         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9304         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9305         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9306         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9307         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9308         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9309         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9310         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9311         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9312         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9313         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9314         (UNSPEC_RDDSP): New constants.
9315         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9316         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9317         A<-d alternative.
9318         * config/mips/mips.opt (-mdsp): New option.
9319         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9320         (reg_imm10_operand): New predicates.
9321         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9322         * doc/invoke.texi (-mdsp): Document new option.
9323
9324 2005-07-22  DJ Delorie  <dj@redhat.com>
9325
9326         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9327         to warning calls.
9328         * tree-inline.c (inlinable_function_p): Likewise.
9329
9330 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9331
9332         PR debug/21828
9333         * toplev.c (check_global_declarations): Do not mark undefined
9334         variables as DECL_IGNORED_P.
9335         * varasm.c (first_global_object_name): GTY it.
9336         (weak_global_object_name): Likewise.
9337         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9338         a string to go into {weak,first}_global_object_name.
9339
9340 2005-07-22  DJ Delorie  <dj@redhat.com>
9341
9342         * c-format.c (check_function_format): Change warning control
9343         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9344
9345 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9346
9347         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9348         &PTR->FLD a dereference of PTR.
9349         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9350         a potential dereference of PTR.
9351
9352 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9353
9354         PR rtl-optimization/20370
9355         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9356         call allocate_reg_info if necessary.
9357
9358         PR rtl-optimization/21848
9359         * calls.c (emit_library_call_value_1): For const functions, add
9360         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9361
9362         PR rtl-optimization/22445
9363         * cselib.c (target.h): Include.
9364         (rtx_equal_for_cselib_p): Allow commutative matches.
9365         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9366         Remove MODE parameter.  Changed all callers.
9367
9368         PR rtl-optimization/22258
9369         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9370         New functions.
9371         (try_combine): Use likely_spilled_retval_p.
9372
9373 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9374
9375         * config.gcc: Add crx-elf support.
9376
9377         * doc/contrib.texi: Mention crx.
9378         * doc/extend.texi: Document crx extensions.
9379         * doc/install.texi: Document crx install.
9380         * doc/invoke.texi: Document crx options.
9381         * doc/md.texi: Document crx constraints.
9382
9383         * config/crx/crx-protos.h: New file.
9384         * config/crx/crx.c: New file.
9385         * config/crx/crx.h: New file.
9386         * config/crx/crx.md: New file.
9387         * config/crx/crx.opt: New file.
9388         * config/crx/t-crx: New file.
9389
9390 2005-07-22  Manfred Hollstein  <mh@suse.com>
9391
9392         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9393         warnings.
9394         (int_add_graph_edge): Likewise.
9395         (collapse_nodes): Likewise.
9396         (process_unification_queue): Likewise.
9397
9398 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9399             Laurent GUERBY  <laurent@guerby.net>
9400
9401         PR tree-optimization/22336
9402         * function.c (record_block_change): Check for
9403         cfun->ib_boundaries_block.
9404
9405 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9406
9407         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9408         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9409
9410 2005-07-21  DJ Delorie  <dj@redhat.com>
9411
9412         * toplev.c (warn_deprecated_use): Add warning control to warning
9413         call.
9414         * c-typeck.c (parser_build_binary_op): Likewise.
9415         (c_finish_if_stmt): Likewise.
9416         * c-common.c (check_function_sentinel): Likewise.
9417         (check_nonnull_arg): Likewise.
9418
9419 2005-07-21  Richard Henderson  <rth@redhat.com>
9420
9421         PR tree-opt/22504
9422         * tree-complex.c (complex_ssa_name_components): New.
9423         (cvc_lookup): Allow entry not found.
9424         (create_components): Remove.
9425         (create_one_component_var, get_component_var): New.
9426         (get_component_ssa_name, set_component_ssa_name): New.
9427         (extract_component): Use get_component_ssa_name.
9428         (update_complex_components): Use set_component_ssa_name.
9429         (update_complex_components_on_edge): Likewise.
9430         (update_phi_components): Create new PHI nodes directly, instead
9431         of adding insns to edges.
9432         (tree_lower_complex): Allocate and free complex_variable_components
9433         and complex_ssa_name_components here.
9434
9435 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9436
9437         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9438         revert to returning false.
9439
9440 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9441
9442         PR target/21149
9443         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9444
9445 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9446
9447         PR target/22576
9448         * config/i386/i386.md (cmpxf): Change operand constraints
9449         to "nonmemory_operand".
9450
9451 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9452
9453         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9454
9455 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9456
9457         PR middle-end/21180
9458         * fold-const.c (fold_build1): Add checksum for the operands.
9459         (fold_build2): Likewise.
9460         (fold_build3): Likewise.
9461
9462 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9463
9464         PR middle-end/19055
9465         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9466
9467 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9468
9469         * common.opt (-fforward-propagate): Committed by mistake,
9470         removed.
9471
9472 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9473
9474         * reg-stack.c: Fix comment typo(s).
9475         * tree-ssa-operands.c: Likewise.
9476         * tree-vectorizer: Likewise.
9477
9478 2005-07-21  Nick Clifton  <nickc@redhat.com>
9479
9480         * config/sh/symbian.c: Replace C++ style line comments with C
9481         style line comments.
9482         (symbian_add_attribute): Do not use a ? operator on the LHS of
9483         an assignment.
9484         (sh_symbian_handle_dll_attribute): Change the type of the
9485         method vector to "VEC(tree,gc)*" and use vector accessor
9486         macros to walk over the elements.
9487         (symbian_export_vtable_and_rtti_p): Likewise.
9488         (symbian_class_needs_attribute_p): Likewise.
9489
9490 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9491
9492         PR target/22085
9493         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9494         initialize targetm.resolve_overloaded_builtin here.
9495         (altivec_expand_overloaded_builtin): Make it non-static.
9496         * config/rs6000/rs6000-protos.h
9497         (altivec_expand_overloaded_builtin): New prototype.
9498         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9499         targetm.resolve_overloaded_builtin here.
9500         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9501
9502 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9503             Zdenek Dvorak  <dvorakz@suse.cz>
9504
9505         PR tree-optimization/19210
9506         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9507         New.
9508         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9509         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9510         rely on unproven assumptions.
9511         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9512         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9513         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9514         to number_of_iterations_exit.
9515         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9516         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9517         * tree-ssa-loop-niter.c (find_loop_niter,
9518         estimate_numbers_of_iterations_loop): Likewise.
9519         (number_of_iterations_exit): Honor the new options.
9520         * doc/invoke.texi (Wunsafe-loop-optimizations,
9521         funsafe-loop-optimizations): Document them.
9522
9523 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9524
9525         PR rtl-optimization/22167
9526         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9527
9528 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9529
9530         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9531         __do_global_dtors_aux longcall.
9532
9533 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9534
9535         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9536         (old_special_pred_table): Don't reference
9537         SPECIAL_MODE_PREDICATES.
9538         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9539         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9540         * config/sh/predicates.h: Don't mention
9541         SPECIAL_MODE_PREDICATES.
9542         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9543         Remove.
9544
9545 2005-07-20  DJ Delorie  <dj@redhat.com>
9546
9547         * config.gcc: Add m32c-elf support.
9548
9549         * doc/contrib.texi: Mention m32c.
9550         * doc/extend.texi: Document m32c extensions.
9551         * doc/install.texi: Mention m32c.
9552         * doc/invoke.texi: Document m32c options.
9553         * doc/md.texi: Document m32c constraints.
9554
9555         * config/m32c/addsub.md: New file.
9556         * config/m32c/bitops.md: New file.
9557         * config/m32c/cond.md: New file.
9558         * config/m32c/jump.md: New file.
9559         * config/m32c/m32c-lib1.S: New file.
9560         * config/m32c/m32c-lib2.c: New file.
9561         * config/m32c/m32c-modes.def: New file.
9562         * config/m32c/m32c-pragma.c: New file.
9563         * config/m32c/m32c-protos.h: New file.
9564         * config/m32c/m32c.abi: New file.
9565         * config/m32c/m32c.c: New file.
9566         * config/m32c/m32c.h: New file.
9567         * config/m32c/m32c.md: New file.
9568         * config/m32c/m32c.opt: New file.
9569         * config/m32c/minmax.md: New file.
9570         * config/m32c/mov.md: New file.
9571         * config/m32c/muldiv.md: New file.
9572         * config/m32c/predicates.md: New file.
9573         * config/m32c/prologue.md: New file.
9574         * config/m32c/shift.md: New file.
9575         * config/m32c/t-m32c: New file.
9576
9577 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9578
9579         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9580         (stack_protect_set, stack_protect_test): New expanders.
9581         (stack_protect_set_si, stack_protect_set_si_media,
9582         stack_protect_set_di_media, stack_protect_test_si,
9583         stack_protect_test_si_media, stack_protect_test_di_media):
9584         New insns.
9585
9586 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9587
9588         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9589
9590 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9591
9592         * tree.h (tree_expr_nonzero_p): Export.
9593         * fold-const.c (tree_expr_nonzero_p): Likewise.
9594         Return true for CALL_EXPRs that are alloca calls.
9595         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9596         against zero.
9597         * tree-flow.h (expr_computes_nonzero): Remove.
9598         * tree-vrp.c (expr_computes_nonzero): Remove.
9599         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9600         (extract_range_from_unary_expr): Likewise.
9601         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9602         tree_expr_nonzero_p.
9603
9604 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9605
9606         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9607         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9608         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9609         All callers changed.
9610         (frame_related_constant_load): New arg "related" which controls
9611         setting of RTX_FRAME_RELATED_P.  All callers changed.
9612         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9613         (bfin_expand_prologue): Add stack limit checking.
9614         * config/bfin/bfin.md (trapifcc): New pattern.
9615
9616         * config/bfin/bfin.c: Include "langhooks.h".
9617         (def_builtin): Go through lang_hooks to call builtin_function.
9618
9619         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9620         * config/bfin/predicates.md (symbol_ref_operand): New.
9621         (call_insn_operand): Delete.  All callers changed to use
9622         register_no_elim_operand.
9623         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9624         call_cookie field.
9625         (function_arg): Use it to generate the call's operand 2.
9626         (bfin_longcall_p): New function.
9627         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9628         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9629         determine if the address needs to be in a REG.
9630         (bfin_handle_longcall_attribute): New function.
9631         (bfin_attribute_table): Add "longcall" and "shortcall".
9632         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9633         (CUMULATIVE_ARGS): New member call_cookie.
9634         (PREDICATE_CODES): Add symbol_ref_operand.
9635         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9636         extra USE to the pattern.
9637         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9638         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9639         sibcall_value_insn; now the new patterns handle direct calls and the
9640         old ones indirect calls.
9641         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9642
9643 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9644
9645         * doc/trouble.texi: Update section on handling of empty loops.
9646
9647 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9648
9649         * config.gcc: Remove support for sparc-*-openbsd*,
9650         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9651         ns32k-*-netbsd*.
9652         * config.host: Remove support for i860-*-sysv4* as a host.
9653         * config/i860/*, config/ip2k/*, config/ns32k/*,
9654         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9655         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9656         mention obsolete ports.
9657
9658 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9659
9660         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9661         soft frame pointer.
9662         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9663         of frame_pointer_rtx.
9664         (sh_expand_epilogue): Likewise.
9665         (sh_set_return_address): Likewise.
9666         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9667         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9668         offsets from FRAME_POINTER_REGNUM.
9669         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9670         (sh_register_names): Add initializer for sfp.
9671         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9672         (VALID_REGISTER_P): Likewise.
9673         (FIRST_PSEUDO_REGISTER): Update.
9674         (DWARF_FRAME_REGISTERS): Define.
9675         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9676         (HARD_FRAME_POINTER_REGNUM): Define.
9677         (FRAME_POINTER_REGNUM): Redefine.
9678         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9679         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9680         from FRAME_POINTER_REGNUM.
9681         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9682         FRAME_POINTER_REGNUM.
9683         (REG_CLASS_CONTENTS): Add sfp.
9684         (REG_ALLOC_ORDER): Likewise.
9685         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9686         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9687         of frame_pointer_rtx.
9688         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9689
9690 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9691
9692         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9693         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9694         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9695         of an ABS_EXPR.
9696         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9697         ABS_EXPR<x>.
9698
9699 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9700
9701         Make CONSTRUCTOR use VEC to store initializers.
9702         * c-common.c (complete_array_type): Update to cope with VEC in
9703         CONSTRUCTOR_ELTS.
9704         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9705         (pp_c_constructor_elts): New function.
9706         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9707         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9708         struct constructor_stack, struct initializer_stack,
9709         constructor_elements, push_init_level, pop_init_level,
9710         add_pending_init, find_init_member, output_init_element): Update to
9711         cope with VEC in CONSTRUCTOR_ELTS.
9712         * coverage.c (build_fn_info_value, build_ctr_info_value,
9713         build_gcov_info): Likewise.
9714         * expr.c (categorize_ctor_elements_1, store_constructor,
9715         expand_expr_real_1): Likewise.
9716         * fold-const.c (fold_ternary): Likewise.
9717         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9718         gimplify_init_constructor, gimplify_expr): Likewise.
9719         * tree-dump.c (dequeue_and_dump): Likewise.
9720         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9721         node.
9722         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9723         CONSTRUCTOR_ELTS.
9724         * tree-sra.c (generate_element_init_1): Likewise.
9725         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9726         * tree-ssa-operands.c (get_expr_operands): Likewise.
9727         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9728         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9729         (get_initial_def_for_reduction): Likewise.
9730         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9731         value handle in annotations.
9732         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9733         tree_node_structure): Add support for constr_kind.
9734         (build_vector_from_ctor, build_constructor_single,
9735         build_constructor_from_list): New functions.
9736         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9737         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9738         Update to cope with VEC in CONSTRUCTOR_ELTS.
9739         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9740         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9741         CONSTRUCTOR_APPEND_ELT): New macros.
9742         (struct constructor_elt, struct tree_constructor): New data types.
9743         (union tree_node): Add tree_constructor field.
9744         * treestruct.def: Define TS_CONSTRUCTOR.
9745         * varasm.c (const_hash_1, compare_constant, copy_constant,
9746         compute_reloc_for_constant, output_addressed_constants,
9747         initializer_constant_valid_p, output_constant,
9748         array_size_for_constructor, output_constructor): Update to cope with
9749         VEC in CONSTRUCTOR_ELTS.
9750         * vec.h (VEC_empty, VEC_copy): New macros.
9751
9752 2005-07-19  Devang Patel  <dpatel@apple.com>
9753
9754         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9755
9756 2005-07-19  Richard Henderson  <rth@redhat.com>
9757
9758         PR tree-opt/22278
9759         * gimplify.c (gimplify_expr): Use main variant type for the temp
9760         destination for a discarded volatile read.
9761         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9762         casts between non-void types that change volatility.
9763
9764 2005-07-15  DJ Delorie  <dj@redhat.com>
9765
9766         * toplev.h: Add comment about the first parameter for warning().
9767         * errors.h: Likewise.
9768
9769         * c.opt (Wpragmas): New.
9770         * doc/invoke.texi: Document it.
9771
9772         * function.c (do_warn_unused_parameter): Add warning control to
9773         warning call.
9774         * c-decl.c (warn_if_shadowing): Likewise.
9775         * c-lex.c (cb_def_pragma): Likewise.
9776         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9777         (pop_alignment): Likewise.
9778         (handle_pragma_pack): Likewise.
9779         (apply_pragma_weak): Likewise.
9780         (handle_pragma_weak): Likewise.
9781         (handle_pragma_redefine_extname): Likewise.
9782         (add_to_renaming_pragma_list): Likewise.
9783         (handle_pragma_extern_prefix): Likewise.
9784         (maybe_apply_renaming_pragma): Likewise.
9785         (handle_pragma_visibility): Likewise.
9786
9787         * config/c4x/c4x-c.c (BAD): Likewise.
9788         (c4x_parse_pragma): Likewise.
9789         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9790         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9791         (rs6000_pragma_longcall): Likewise.
9792         * config/v850/v850-c.c (pop_data_area): Likewise.
9793         (ghs_pragma_section): Likewise.
9794         (ghs_pragma_section): Likewise.
9795         (ghs_pragma_interrupt): Likewise.
9796         (ghs_pragma_starttda): Likewise.
9797         (ghs_pragma_startsda): Likewise.
9798         (ghs_pragma_startzda): Likewise.
9799         (ghs_pragma_endtda): Likewise.
9800         (ghs_pragma_endsda): Likewise.
9801         (ghs_pragma_endzda): Likewise.
9802
9803 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9804             Kenneth Zadeck <zadeck@naturalbridge.com>
9805
9806         * Makefile.in: Removed tree-promote-statics.c
9807         * tree-promote-statics.c: Removed.
9808         * common.opt: Removed flag-promote-statics.
9809         * opts.c: Ditto.
9810         * passes.c: Removed tree-promote-statics pass.
9811         * tree-pass.h: Ditto.
9812         * timevar.def: Removed TV_PROMOTE_STATICS.
9813
9814
9815 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9816
9817         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9818         and *-*-freebsd9.
9819         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9820
9821 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9822
9823         PR c/22476
9824         * c-common.c (check_function_arguments): Call
9825         'check_function_format' if either -Wformat or
9826         -Wmissing-format-attribute are specified.
9827         * c-format.c (check_function_format): Check -Wformat before
9828         calling 'check_format_info'.
9829         * c-opts.c (c_common_post_options): Don't warn for
9830         -Wmissing-format-attribute without -Wformat.
9831         * c-typeck.c (convert_for_assignment): Detect additional cases for
9832         -Wmissing-format-attribute.
9833         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9834         behavior.
9835
9836 2005-07-19  Richard Guenther  <rguenther@suse.de>
9837
9838         * config/i386/i386.md (lrint<mode>2): Use temporary
9839         instead of clobbering non-existent memory.
9840
9841 2005-07-19  Nick Clifton  <nickc@redhat.com>
9842
9843         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9844         statement to avoid displaying ASCII control characters.
9845
9846 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9847
9848         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9849         * cfganal.c (find_edge_index): Ditto.
9850         * combine.c (combine_instructions): Ditto.
9851         * ddg.c (create_scc): Ditto.
9852         (find_successors): Ditto.
9853         (find_predecessors): Ditto.
9854         (find_nodes_on_paths): Ditto.
9855         (longest_simple_path): Ditto.
9856         * flow.c (update_life_info): Ditto.
9857         (count_or_remove_death_notes): Ditto.
9858         (clear_log_links): Ditto.
9859         * modulo-sched.c (generate_reg_moves): Ditto.
9860         (find_max_asap): Ditto.
9861         (find_max_hv_min_mob): Ditto.
9862         (find_max_dv_min_mob): Ditto.
9863         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9864         * sched-rgn.c (extract_edgelst): Ditto.
9865         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9866         (dump_update_ssa): Ditto.
9867         (ssa_names_to_replace) Ditto.
9868         (switch_virtuals_to_full_rewrite): Ditto.
9869         (update_ssa): Ditto.
9870         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9871
9872 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9873
9874         Fix PR tree-optimization/22483
9875
9876         * tree-complex.c (create_components): Use
9877         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9878         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9879         * tree-flow.h (safe_referenced_var_iterator): New structure.
9880         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9881         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9882         safe_referenced_var iterator.
9883         (add_type_alias): Ditto.
9884
9885 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9886
9887         * loop-init.c (rest_of_handle_loop2): Remove.
9888         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9889         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9890         (pass_rtl_loop_init, pass_rtl_loop_done,
9891         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9892         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9893         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9894         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9895         pass_tree_loop_done, and pass_tree_unswitch.
9896         (gate_loop): Rename to gate_tree_loop.
9897         * passes.c (init_optimization_passes): Update for renamed tree
9898         loop passes.  Add the new loop2 passes as subpasses of loop2.
9899         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9900         Update for the renamed tree loop passes.
9901
9902 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9903
9904         PR middle-end/22057
9905         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9906         blocks when optimizing.
9907
9908 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9909
9910         * common.opt (frename-registers): Initialize to 2.
9911         (fweb): Ditto.
9912         (fgcse-after-reload): Ditto.
9913         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9914         (process_options): Only change flag_web, flag_rename_registers,
9915         and flag_rerun_cse_after_loop if not explicitly set by user.
9916
9917 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9918
9919         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9920         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9921         in 64-bit mode the same as DImode in 32-bit mode.
9922         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9923         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9924         mode. Add new mode parameter.
9925         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9926         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9927         x86_64_shift_adj): New expanders.
9928         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9929         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9930         insns.
9931         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9932         DImode shift splitters.
9933         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9934         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9935         mode parameter.
9936
9937 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9938
9939         * i386.md (movdi_extzv_1): New.
9940         (zero_extendhidi2): Combine alternatives and never force use of
9941         REX64 prefix.
9942         (zero_extendqidi2): Likewise. Don't restrict input selection.
9943
9944 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9945
9946         Fix PR tree-optimization/22531
9947         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9948          moment.
9949
9950 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9951
9952         * tree-promote-statics.c (pass_promote_statics): Change dump file
9953          name.
9954
9955 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9956
9957         * tree-optimize.c (init_tree_optimization_passes): Add
9958         pass_eliminate_useless_stores pass.
9959         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9960         * tree-ssa-pre.c (is_copy_stmt): New function.
9961         (follow_copies_till_vuse): Ditto.
9962         (do_eustores): Ditto.
9963         (gate_eustores): Ditto.
9964
9965 2005-07-16  Richard Henderson  <rth@redhat.com>
9966
9967         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9968
9969 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9970            Kenneth Zadeck <zadeck@naturalbridge.com>
9971
9972         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9973         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9974         ipa-type-escape.h, tree-promote-statics.c
9975         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9976         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9977         tree-promote-statics.c: new files.
9978         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9979         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9980         int nonlocal_set_p, mark_constant_function): Deleted.
9981         (rest_of_handle_cfg): Removed call to mark_constant_function.
9982         (nonoverlapping_component_refs_p): Added calls to support
9983         type based aliasing.
9984         * tree-ssa-alias.c (may_alias_p,
9985         compute_flow_insensitive_aliasing): Ditto.
9986         * calls.c (flags_from_decl_or_type): Removed reference to
9987         cgraph_rtl_info.
9988         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9989         too many arguments.  This is necessary for Spec 2000.
9990         * cgraph.h (const_function, pure_function): Removed.
9991         * common.opt: Added "fipa-pure-const", "fipa-reference",
9992         "fipa-type-escape", and "ftree-promote-static".
9993         * opts.c: Ditto.
9994         * passes.c: Added ipa and tree-promote-statics passes.
9995         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9996         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9997         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9998         * tree-flow.h: Added exposed sra calls and addition of
9999         reference_vars_info field for FUNCTION_DECLS.
10000         * tree-pass.h: Added passes.
10001         * tree-sra.c: (sra_init_cache): New function.
10002         (sra_insert_before, sra_insert_after) Made public.
10003         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10004         and made public.
10005         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10006         aliasing. (may_alias_p): Added code to use type escape analysis to
10007         improve alias sets.
10008         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10009         code to prune clobbers of static variables based on information
10010         produced in ipa-reference pass.  Changed call clobbering so that
10011         statics are not marked as clobbered if the call does not clobber
10012         them.
10013
10014 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10015
10016         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10017         too.
10018
10019 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10020
10021         * doc/install.texi (*-*-solaris2*): Document recommended version
10022         of GNU binutils and mention GNU linker problem on Solaris 10.
10023
10024 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10025
10026         PR c/22421
10027         * c-decl.c (c_build_bitfield_integer_type): New function.
10028         (finish_struct): Call it.
10029         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10030
10031 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10032
10033         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10034         before returning.
10035
10036 2005-07-16  Jan Hubicka  <jh@suse.cz>
10037
10038         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10039         (scale_bbs_frequencies_int): Watch roundoff errors.
10040         * predict.c (return_prediction): Initialize return_stmt.
10041
10042 2005-07-16  Jan Hubicka  <jh@suse.cz>
10043
10044         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10045         after RTL profiling.
10046
10047 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10048
10049         PR middle-end/22398
10050         * fold-const.c (build_range_check): Convert high/low to etype
10051         if we are only comparing against exp.
10052
10053 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10054
10055         Fix PR tree-optimization/22376
10056         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10057         special var here.
10058         (need_to_solve): New function.
10059         (compute_points_to_sets): Use it.
10060
10061 2005-07-15  Jan Hubicka  <jh@suse.cz>
10062
10063         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10064         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10065
10066 2005-07-15  Richard Guenther  <rguenther@suse.de>
10067
10068         * c-common.c (handle_flatten_attribute): New function.
10069         Add flatten function attribute.
10070         * doc/extend.texi: Document flatten function attribute.
10071         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10072         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10073         New functions.
10074         (cgraph_decide_inlining): Handle functions with flatten
10075         attribute.
10076
10077 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10078
10079         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10080         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10081         UNSPEC_XCHG, UNSPEC_AND): New.
10082         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10083         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10084         * config/rs6000/sync.md (FETCHOP): New code macro.
10085         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10086         New code attrs.
10087         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10088         (sync_compare_and_swap<mode>): Same.
10089         (sync_lock_test_and_set<mode>): Same.
10090         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10091         for QImode and HImode, and not PPC405.
10092         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10093         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10094         (sync_<fetchop>{si,di}_internal): New.
10095         (sync_nand{si,di}_internal): New.
10096         (sync_old_<fetchop>{si,di}_internal): New.
10097         (sync_old_nand{si,di}_internal): New
10098         (sync_new_<fetchop>{si,di}_internal): New.
10099         (sync_new_nand{si,di}_internal): New.
10100         (atomic_and{si,di}): New.
10101         (sync_new_nand{si,di}_internal): New.
10102         (atomic_and{si,di}): New.
10103         (sync_add<mode>_internal): Delete.
10104         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10105         (sync_sub<mode>_internal): Delte.
10106         (sync_subshort_internal): New.
10107         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10108         (sync_anddi_internal): Delete.
10109         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10110         (sync_booldi_internal): Delete.
10111         (sync_boolc<mode>_internal): Delete.
10112         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10113         (sync_boolc<mode>_internal2): Delete.
10114         (sync_boolcc<mode>_internal): Delete.
10115         (isync, lwsync): Use unspec instead of unspec_volatile.
10116         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10117         Revert UNSPEC_VOLATILE.
10118         (rs6000_split_atomic_op): New.
10119         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10120
10121 2005-07-14  Eric Christopher  <echristo@redhat.com>
10122
10123         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10124         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10125
10126 2005-07-14  Eric Christopher  <echristo@redhat.com>
10127
10128         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10129
10130 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10131
10132         PR tree-optimization/22230
10133         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10134         the computation of the four cross productions for "range op range".
10135
10136 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10137             Ulrich Weigand  <uweigand@de.ibm.com>
10138
10139         PR target/20126
10140         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10141         in some insn.
10142
10143 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10144
10145         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10146
10147 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10148
10149         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10150
10151 2005-07-14  Richard Guenther  <rguenther@suse.de>
10152
10153         PR middle-end/22347
10154         * config/i386/i386-protos.h (ix86_function_value): Change
10155         prototype to match new target hook.
10156         * config/i386/i386.c (ix86_value_regno): Change prototype
10157         to take extra type argument.
10158         (TARGET_FUNCTION_VALUE): Define.
10159         (ix86_function_ok_for_sibcall): Pass extra argument to
10160         ix86_value_regno, check return slot rtx for exact match.
10161         (ix86_function_value): Take extra parameter.  Dispatch to
10162         ix86_value_regno with fndecl/fntype as provided.
10163         (ix86_value_regno): Handle extra type argument.
10164         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10165
10166         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10167         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10168         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10169         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10170         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10171
10172 2005-07-14  Richard Guenther  <rguenther@suse.de>
10173
10174         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10175         * calls.c (expand_call): Pass fntype to hard_function_value.
10176         (emit_library_call_value_1): Likewise.
10177         * explow.c: Include target.h.
10178         (hard_function_value): Take extra argument, the fntype.
10179         Use new target hook for function_value.
10180         * expr.h (hard_function_value): Change prototype.
10181         * function.c (aggregate_value_p): Pass 0 as fntype to
10182         hard_function_value.
10183         (assign_parms): Use new target hook for function_value.
10184         Pass 0 as fntype to hard_function_value.
10185         (expand_function_end): Likewise.
10186         * reg-stack.c: Include target.h.
10187         (stack_result): Use new target hook for function_value.
10188         * target-def.h: New target hook function_value.
10189         * target.h: Likewise.
10190         * targhooks.c (default_function_value): New function.
10191         * targhooks.h (default_function_value): Declare.
10192
10193 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10194
10195         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10196
10197 2005-07-14  Jan Hubicka  <jh@suse.cz>
10198
10199         * tree-dfa.c (dump_variable): Use default_def function.
10200         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10201         * tree-ssa.c (verify_use): Likewise.
10202         * tree-ssanames.c (release_ssa_name): Likewise.
10203         * tree-tailcall.c (eliminate_tail_call): Likewise.
10204         (tree_optimize_tail_calls_1): Likewise.
10205         * tree-vrp.c (get_value_range): Likewise.
10206
10207 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10208
10209         * gcc.c (main): Compare language[0] with '*' when iterating over
10210         the infiles.
10211
10212 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10213
10214         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10215         "s390_emit_compare".  Add handling of CCZ1mode.
10216         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10217         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10218         checking.
10219         (s390_branch_condition_mask): Add CCZ1mode handling.
10220         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10221         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10222         Use CCZ1mode instead of CCZmode.
10223         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10224
10225 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10226
10227         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10228         pattern.
10229         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10230
10231 2005-07-13  Eric Christopher  <echristo@redhat.com>
10232
10233         * config/mips/mips.c (mips_canonicalize_comparison): New.
10234         (mips_emit_int_relational): Use.
10235
10236 2005-07-13  Eric Christopher  <echristo@redhat.com>
10237
10238         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10239         static extra parts.
10240         * config/s390/s390.md: Include tpf.md. Move tpf specific
10241         patterns...
10242         * config/s390/tpf.md: To here.
10243         * config/s390/s390.opt: Move tpf specific options...
10244         * config/s390/tpf.opt: to here. Add mmain option.
10245         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10246         * config/s390/tpf.h: Rewrite.
10247
10248 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10249
10250         * doc/tm.texi: Remove @xref{Cross-profiling}.
10251
10252 2005-07-13  Jeff Law  <law@redhat.com>
10253
10254         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10255         expressions, test their _DECL operands for pointer equality rather
10256         than using operand_equal_p.
10257
10258 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10259
10260         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10261         (TARGET_POSIX_IO): This.
10262         * config/darwin.h: Likewise.
10263         * config/freebsd.h: Likewise.
10264         * config/linux.h: Likewise.
10265         * config/lynx.h: Likewise.
10266         * config/netbsd.h: Likewise.
10267         * config/rs6000/linux64.h: Likewise.
10268         * config/rs6000/linux.h: Likewise.
10269         * config/s390/tpf.h: Likewise.
10270         * config/sh/embed-elf.h: Likewise.
10271         * config/sparc/linux64.h: Likewise.
10272         * config/sparc/linux.h: Likewise.
10273         * config/svr4.h: Likewise.
10274         * gcov-io.h: Likewise.
10275
10276         * doc/tm.texi: Updated.
10277
10278         * libgcov.c (create_file_directory): Defined only if
10279         TARGET_POSIX_IO is defined.
10280         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10281         is defined.
10282
10283 2005-07-13  Jan Hubicka  <jh@suse.cz>
10284
10285         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10286
10287 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10288
10289         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10290         structure as argument.
10291
10292 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10293
10294         PR tree-optimization/21921
10295         * tree-iterator.c (tsi_link_before): Support the case when
10296         tsi_end_p (tsi) == true.
10297
10298 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10299
10300         PR tree-optimization/22442
10301         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10302         correctly.
10303
10304 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10305
10306         PR rtl-optimization/20376
10307         * toplev.c (process_options): Enable -fweb and -frename-registers when
10308         unrolling.
10309         * doc/invoke.texi: Update the information about when -fweb and
10310         -frename-registers are enabled.
10311
10312 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10313
10314         PR tree-opt/21840
10315         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10316         if *rhs_p is not a SSA_NAME.
10317
10318 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10319
10320         Fix PR tree-optimization/22422
10321         * tree-ssa-structalias.c (struct variable_info): Add flag for
10322         special vars.
10323         (get_varinfo): Now a static function.
10324         (new_varinfo): init has_union and is_special_var to false.
10325         (solution_set_add): Check has_union.
10326         (do_da_constraint): Move temporary variable so it gets reset
10327         properly.
10328         Also check for special variable.
10329         (do_ds_constraint): Ditto.
10330         (do_sd_constraint): Ditto.
10331         (do_structure_copy): Check for special variable.
10332         (find_func_aliases): Ditto.
10333         (init_base_vars): Set special vars properly.
10334
10335 2005-07-13  Jan Hubicka  <jh@suse.cz>
10336
10337         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10338         do unit-at-a-time.
10339
10340         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10341         (get_expr_operands): Fix thinko wrt flags and subvars.
10342
10343         PR tree-optimize/22379
10344         * tree-inline.c (expand_call_inline): Do not output sorry in early
10345         inlining.
10346
10347 2005-07-12  Dale Johannesen  <dalej@apple.com>
10348
10349         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10350
10351 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10352
10353         PR bootstrap/21704
10354         * host-linux.h: Include limits.h.
10355
10356 2005-07-12  Dale Johannesen  <dalej@apple.com>
10357
10358         * expr.c (compress_float_constant):  Add cost check.
10359         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10360
10361 2005-07-12  Dale Johannesen  <dalej@apple.com>
10362
10363         * gcc.target/i386/compress-float-sse.c:  New.
10364         * gcc.target/i386/compress-float-sse-pic.c:  New.
10365         * gcc.target/i386/compress-float-387.c:  New.
10366         * gcc.target/i386/compress-float-387-pic.c:  New.
10367         * gcc.dg/compress-float-ppc.c:  New.
10368         * gcc.dg/compress-float-ppc-pic.c:  New.
10369
10370 2005-07-12  Eric Christopher  <echristo@redhat.com>
10371
10372         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10373         static extra parts.
10374         * config/s390/s390.md: Include tpf.md. Move tpf specific
10375         patterns...
10376         * config/s390/tpf.md: To here.
10377         * config/s390/s390.opt: Move tpf specific options...
10378         * config/s390/tpf.opt: to here. Add mmain option.
10379         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10380         * config/s390/tpf.h: Rewrite.
10381
10382 2005-07-12  Eric Christopher  <echristo@redhat.com>
10383
10384         * gcc.c (struct infile): Update comment for language.
10385         (main): Rewrite input file resetting code.
10386
10387 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10388
10389         PR tree-opt/22335
10390         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10391         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10392         (lookup_avail_expr): Use constant_boolean_node instead
10393         of boolean_false_node/boolean_true_node.
10394
10395 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10396
10397         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10398         and use it when printing num_edges.
10399
10400 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10401
10402         * doc/extend.texi (Blackfin Built-in Functions): New section.
10403         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10404         @opindex.
10405
10406 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10407
10408         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10409         s/cmpstrsi/cmpstrnsi
10410         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10411         'cmpstrnsi'.
10412         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10413         (init_optabs): Initialize cmpstrn_optab.
10414         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10415         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10416         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10417         * config/i386/i386.md: s/cmpstr/cmpstrn
10418         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10419         * doc/md.texi: Update documentation.
10420
10421 2005-07-11  Richard Henderson  <rth@redhat.com>
10422
10423         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10424         build_va_arg_indirect_ref.
10425         (alpha_gimplify_va_arg): Likewise.
10426         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10427         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10428         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10429         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10430         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10431         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10432         Likewise.
10433         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10434
10435 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10436
10437         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10438         * passes.c (init_optimization_passes): Add pass_empty_loop.
10439         * tree-pass.h (pass_empty_loop): Declare.
10440         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10441         try_remove_empty_loop, remove_empty_loops): New functions.
10442         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10443         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10444
10445 2005-07-12  Peter Barada  <peter@the-baradas.com>
10446
10447         PR middle-end/16719
10448         PR middle-end/18421
10449         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10450         in address registers.
10451         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10452         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10453         alternative of addsi3_5200.
10454
10455 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10456
10457         * config/mips/mips.md (ffs<mode>2): Remove.
10458
10459 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10460
10461         * doc/tree-ssa.texi (Cleanups): Improve description of
10462         TRY_FINALLY_EXPR.
10463         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10464
10465 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10466
10467         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10468         * tree.h (DECL_ARGUMENT_FLD): New macro.
10469
10470 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10471
10472         Fix PR tree-optimization/22404
10473
10474         * tree-ssa-structalias.c (create_variable_info_for): Use
10475         correct offset.
10476
10477 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10478
10479         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10480         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10481         for second comparison operand.
10482         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10483
10484         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10485         (define_insn_reservation "alu"): Likewise.
10486         (csync, ssync): Now of type sync.
10487         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10488         -mcsync-anomaly -mspecld-anomaly.
10489         * config/bfin/bfin.opt (mcsync): Remove.
10490         (mcsync-anomaly, mspecld-anomaly): Add.
10491         * config/bfin/bfin.c: Include "insn-codes.h".
10492         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10493         (TARGET_DEFAULT_TARGET_FLAGS): New.
10494         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10495
10496 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10497
10498         * basic-block.h: Give the BB flags enum a name, bb_flags.
10499         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10500         * cfgcleanup.c (enum bb_flags): Remove here.
10501         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10502         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10503         (update_forwarder_flag): Likewise.
10504         (thread_jump): Likewise.
10505         (try_forward_edges): Likewise.
10506         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10507         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10508         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10509
10510 2005-07-11  Richard Guenther  <rguenther@suse.de>
10511
10512         * config/i386/i386.opt: New target option -msseregparm.
10513         * config/i386/i386.c (override_options): Error out for
10514         -msseregparm but no SSE support.
10515         (ix86_function_sseregparm): Check for global sseregparm.
10516         * doc/invoke.texi: Document -msseregparm.
10517
10518 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10519
10520         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10521         (m32rle-*-linux*): Ditto.
10522
10523 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10524
10525         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10526         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10527         bytes.
10528
10529 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10530
10531         PR middle-end/22239
10532         PR target/20126
10533         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10534         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10535
10536 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10537
10538         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10539         (varmap): Heapify varmap.
10540         (constraints): Heapify constraints.
10541         (struct constraint_graph): Heapify succs and preds.
10542         (constraint_vec_find): Update for heapification.
10543         (constraint_set_union): Ditto.
10544         (insert_into_complex): Ditto.
10545         (constraint_edge_vec_find): Ditto.
10546         (erase_graph_self_edge): Ditto.
10547         (add_graph_edge): Ditto.
10548         (get_graph_weights): Ditto.
10549         (merge_graph_nodes): Ditto.
10550         (build_constraint_graph): Ditto.
10551         (topo_visit): Ditto.
10552         (solve_graph): Ditto.
10553         (create_variable_info_for): Ditto.
10554         (init_base_vars): Ditto.
10555         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10556         (condese_varmap_nodes): Free complex vector.
10557         (clear_edges_for_node): Clear succs and preds vector.
10558
10559 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10560
10561         * tree-ssa-structalias.c (update_alias_info): Change counting of
10562         references to not include vdefs.
10563
10564 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10565
10566         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10567         (up_insert): Ditto.
10568
10569 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10570
10571         * pa.c (pa_commutative_p): Make PLUS commutative when
10572         TARGET_NO_SPACE_REGS is true.
10573
10574 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10575
10576         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10577         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10578         * tree-dfa.c (dump_subvars_for): New.
10579         (debug_subvars_for): New.
10580         (dump_variable): Show subvariables if VAR has them.
10581         * tree-flow-inline.h (get_subvar_at): New.
10582         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10583         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10584         Update all users.
10585         (struct subvar): Change fields offset and size to unsigned
10586         HOST_WIDE_INT.
10587         (dump_subvars_for): Declare.
10588         (debug_subvars_for): Declare.
10589         (get_subvar_at): Declare.
10590         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10591         to unsigned HOST_WIDE_INT *.
10592         (overlap_subvar): Likewise.
10593         * tree-gimple.c (is_gimple_reg): Always return false for
10594         SFTs and memory tags.
10595         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10596         Update all callers.
10597         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10598         (compute_may_aliases): Call compute_points_to_sets.
10599         (collect_points_to_info_for): Remove.
10600         (compute_points_to_and_addr_escape): Remove.
10601         (delete_alias_info): Call delete_points_to_sets.
10602         (compute_flow_sensitive_aliasing): If the call to
10603         find_what_p_points_to returns false, call set_pt_anything.
10604         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10605         (set_pt_anything): Clear pi->pt_vars.
10606         (set_pt_malloc): Remove.
10607         (merge_pointed_to_info): Remove.
10608         (add_pointed_to_expr): Remove.
10609         (add_pointed_to_var): Remove.
10610         (collect_points_to_info_r): Remove.
10611         (is_escape_site): Make extern.
10612         (create_sft): New.
10613         (create_overlap_variables_for): Call it.
10614         * tree-ssa-copy.c (merge_alias_info): Never merge
10615         flow-sensitive alias information.
10616         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10617         offset and size to be unsigned HOST_WIDE_INT.
10618         (add_to_addressable_set): Rename from note_addressable.
10619         Set TREE_ADDRESSABLE as the variables are added to the set.
10620         Update all users.
10621         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10622         operands into VUSEs when adding V_MAY_DEFs for members in an
10623         alias set.
10624         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10625         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10626         (struct variable_info): Add bitfield is_heap_var.
10627         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10628         (new_var_info): Initialize is_heap_var.
10629         (get_constraint_for): Add HEAP variables to the symbol table.
10630         Mark them with is_heap_var.
10631         (update_alias_info): New.  Taken mostly from the old
10632         compute_points_to_and_addr_escape.
10633         (handle_ptr_arith): New.
10634         (find_func_aliases): Call update_alias_info.
10635         Call handle_ptr_info for tcc_binary expressions.
10636         Call mark_stmt_modified.
10637         (create_variable_info_for): If DECL has subvars, do not create
10638         variables for its subvars.  Always add all the fields.
10639         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10640         SFTs, then add all the SFTs of the structure.
10641         If VI->DECL is an aggregate with subvariables, add the SFT at
10642         VI->OFFSET.
10643         (find_what_p_points_to): If VI is an artificial variable,
10644         translate to bitfields in SSA_NAME_PTR_INFO.
10645         If the solution is empty, set pi->pt_vars to NULL
10646         (init_base_vars): Create ANYOFFSET.
10647         (compute_points_to_sets): Rename from create_alias_vars.
10648         Make extern.
10649         (pass_build_pta): Remove.
10650         (delete_points_to_sets): Rename from delete_alias_vars.
10651         (pass_del_pta): Remove.
10652         * tree-ssa-structalias.h (struct alias_info): Move from
10653         tree-ssa-alias.h.
10654         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10655         NUM_REFERENCES_SET): Likewise.
10656         (compute_points_to_sets, delete_points_to_sets): Declare.
10657
10658 2005-07-09  Richard Henderson  <rth@redhat.com>
10659
10660         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10661         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10662         alpha_split_lock_test_and_set_12): New functions.
10663         * config/alpha/alpha-protos.h: Update.
10664         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10665         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10666         * config/alpha/sync.md (I12MODE): New.
10667         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10668         (sync_<fetchop_name><I48MODE>): Likewise.
10669         (sync_nand<I48MODE>): Likewise.
10670         (sync_old_<fetchop_name><I48MODE>): Likewise.
10671         (sync_new_<fetchop_name><I48MODE>): Likewise.
10672         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10673         (sync_compare_and_swap<I48MODE>): Likewise.
10674         (sync_lock_test_and_set<I48MODE>): Likewise.
10675         (sync_compare_and_swap<I12MODE>): New.
10676         (sync_compare_and_swap<I12MODE>_1): New.
10677         (sync_lock_test_and_set<I12MODE>): New.
10678         (sync_lock_test_and_set<I12MODE>_1): New.
10679
10680 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10681
10682         PR 21356
10683         PR 22332
10684         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10685
10686 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10687
10688         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10689         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10690
10691 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10692
10693         PR target/21656
10694         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10695
10696 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10697
10698         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10699         memory_operand constraint.
10700         (store_conditional_<mode>): Same.
10701         (sync_compare_and_swap<mode>): Same.
10702         (sync_lock_test_and_set<mode>): Same.
10703
10704 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10705
10706         Rewrite PIC support to more closely model actual instructions.
10707         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10708         (cris_symbol): Remove prototypes for removed functions.
10709         (cris_pic_symbol_type_of, cris_valid_pic_const)
10710         (cris_expand_pic_call_address): Prototypes for new functions.
10711         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10712         variable.
10713         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10714         modifiers.
10715         <case ':'>: Add case for new punctuation character.
10716         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10717         emitting (extra) PIC modifier.
10718         <case UNSPEC>: Do not assert for PLT.
10719         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10720         (cris_expand_prologue, cris_expand_epilogue): Check
10721         for pic_offset_table_rtx usage instead of taking
10722         current_function_uses_pic_offset_table as the final word.
10723         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10724         Remove flag_pic difference.
10725         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10726         the moral equivalents of...
10727         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10728         functions.
10729         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10730         (cris_handle_option): Mark ARG as unused.
10731         (cris_expand_pic_call_address): New worker function for "call",
10732         "call_value".
10733         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10734         output PIC constructs here.
10735         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10736         as symbol-specific modifers, not whole or part of operands.
10737         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10738         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10739         constants and flag_pic.
10740         (CONSTANT_INDEX_P): Adjust for new functions.
10741         (enum cris_pic_symbol_type): New helper type.
10742         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10743         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10744         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10745         define_constants.
10746         ("movsi"): Emit actual instructions for GOT and relative access.
10747         ("*movsi_got_load"): New pattern to set up the register holding
10748         the GOT pointer.
10749         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10750         Adjust FIXME for 'S'.
10751         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10752         Use "movs" for -fpic cases.
10753         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10754         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10755         ("call", "call_value"): Just call cris_expand_pic_call_address for
10756         PIC addresses.
10757         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10758         Remove special pattern.
10759         ("*expanded_call_side", "*expanded_call_value_side"): New
10760         patterns.
10761         (gotplt-to-plt, gotplt-to-plt-side-call)
10762         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10763         peephole2:s.
10764         * config/cris/cris/predicates.md
10765         ("cris_general_operand_or_gotless_symbol"): Remove unused
10766         predicate.
10767         ("cris_general_operand_or_symbol"): Adjust for new functions.
10768
10769 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10770
10771         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10772
10773 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10774
10775         * Makefile.in (TREE_H): Add treestruct.def.
10776         (c-decl.o): Add pointer-set.h
10777         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10778         visibility on regular DECL's.
10779         (merge_decls): Fix the copying of decl nodes of various types for
10780         the new structures.  Don't update RTL, section name, weak status,
10781         etc, on DECL's without RTL.
10782         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10783         Don't check volatile on non-variable types.
10784         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10785         to check whether we have seen arguments.
10786         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10787         flag is checked before field (flag is common, field is not).
10788         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10789         TS_DECL_COMMON could have an origin.
10790         (add_location_or_const_value_attribute): Don't check section name
10791         on non-var/function decls.
10792         (dwarf2out_var_location): Reverse order of tests.
10793         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10794         with DECL_WRTL_CHECK.
10795         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10796         * fold-const.c (fold_binary): Don't check weakness on
10797         non-var/function decls.
10798         (tree_expr_nonzero_p): Ditto.
10799         (fold_checksum_tree): Use tree_decl_extra as sizeof
10800         buffer.
10801         * ggc-page.c (extra_order_size_table): Add sizes for
10802         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10803         tree_field_decl.
10804         * gimplify.c (gimplify_bind_expr): Only set
10805         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10806         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10807         without RTL.
10808         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10809         * langhooks.h (init_ts). New langhook.
10810         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10811         * print-tree.c (print_node): Update to only print fields that
10812         exist in the structures the passed decl has.
10813         * toplev.c (wrapup_global_declarations): Don't reset
10814         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10815         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10816         * tree-inline.c (remap_decl): Ditto.
10817         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10818         * tree-pretty-print.c (print_declaration): Don't print
10819         DECL_REGISTER on things that don't contain it.
10820         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10821         non-var/function decls.
10822         * tree.c (tree_contains_struct): New structure.
10823         (init_priority_for_decl): New hashtable.
10824         (tree_int_map): New structure.
10825         (tree_int_map_eq): New function.
10826         (tree_int_map_marked_p): Ditto.
10827         (tree_int_map_hash): Ditto.
10828         (tree_map): Move to tree.h.
10829         (tree_map_eq): Externalize.
10830         (tree_map_hash): Ditto.
10831         (tree_map_marked_p): Ditto.
10832         (init_ttree): Set up tree_contains_struct and call langhook.
10833         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10834         (tree_code_size): Update for new structures.
10835         (tree_node_structure): Update for new structures.
10836         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10837         without the field.
10838         (copy_node_stat):  Copy init priority.
10839         (build_decl_stat): Ditto for visibility.
10840         (ts_enum_names): New.
10841         (tree_contains_struct_check_failed): New function.
10842         (decl_init_priority_lookup): Ditto.
10843         (decl_init_priority_insert): Ditto.
10844         * treestruct.def: New file.
10845         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10846         (CONTAINS_STRUCT_CHECK): Ditto.
10847         (tree_contains_struct_check_failed): New prototype.
10848         (DECL_CHECK): Removed.
10849         (DECL_MINIMAL_CHECK): New.
10850         (DECL_COMMON_CHECK): Ditto.
10851         (DECL_WRTL_CHECK): Ditto.
10852         (DECL_NON_COMMON_CHECK): Ditto.
10853         (DECL_WITH_VIS_CHECK): Ditto.
10854         (VAR_OR_FUNCTION_DECL_P): Ditto
10855         (struct tree_decl_minimal): New structure.
10856         (struct tree_decl_common): Ditto.
10857         (struct tree_decl_with_rtl): Ditto.
10858         (struct tree_decl_with_vis): Ditto.
10859         (struct tree_decl_non_common): Ditto.
10860         (struct tree_field_decl): Ditto.
10861         (struct tree_parm_decl): Ditto.
10862         (struct tree_var_decl): Ditto.
10863         (struct tree_function_decl): Ditto.
10864         (struct tree_const_decl): Ditto.
10865         (struct tree_result_decl): Ditto.
10866         (union tree_node): Add new structures.
10867         * var-tracking.c (track_expr_p): Reverse order of tests.
10868
10869         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10870
10871 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10872
10873         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10874         * system.h: Poison FINALIZE_PIC.
10875         * doc/tm.texi (FINALIZE_PIC): Remove.
10876
10877 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10878
10879         PR tree-opt/22329
10880         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10881         to the correct type if we have a MODIFY_EXPR.
10882
10883 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10884
10885         PR tree-optimization/22360
10886         * tree.c (upper_bound_in_type): Fix calculations for casting
10887         to a non-wider signed type and casting a signed value to a
10888         wider unsigned type.
10889         (lower_bound_in_type): Fix calculations for casting to a
10890         non-wider signed type.
10891
10892         PR tree-optimization/20139
10893         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10894         release_defs.
10895         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10896         fold_cond_expr_cond.
10897         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10898         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10899
10900 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10901
10902         PR tree-opt/22356
10903         * tree-complex.c (expand_complex_libcall): Produce
10904         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10905
10906 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10907
10908         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10909         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10910         b" assert and inserted fastpath code for this case.
10911         (bitmap_ior): Removed "a != b" assert.
10912
10913 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10914
10915         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10916         (ENDFILE_SPEC): Likewise.
10917         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10918
10919         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10920         a large stack frame at epilogue.
10921
10922 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10923
10924         * final.c: Include sdbout.h when required.
10925
10926 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10927
10928         * config.gcc (*-*-darwin*): Only one target-specific header file
10929         for generic darwin.
10930         (powerpc-*-darwin*): Add version-specific header files.
10931         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10932         * config.in: Regenerate.
10933         * configure: Regenerate.
10934         * gcc.c: Include xregex.h.
10935         (version_compare_spec_function): New.
10936         (spec_function): Add version-compare.
10937         (replace_outfile_spec_function): Reformat comment.
10938         (compare_version_strings): New.
10939         * config/darwin-c.c (version_as_macro): New.
10940         (builtin_define): New.
10941         (darwin_cpp_builtins): New.
10942         * config/darwin-protos.h (darwin_cpp_builtins): New.
10943         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10944         (LIB_SPEC): Make unconditional, update comment.
10945         (TARGET_C99_FUNCTIONS): Define.
10946         * config/darwin.opt: Sort.
10947         (mmacosx-version-min=): New.
10948         * config/darwin7.h: Delete.
10949         * config/darwin8.h: Delete.
10950         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10951         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10952         (TARGET_C99_FUNCTIONS): Define.
10953         * config/rs6000/darwin7.h: New.
10954         * config/rs6000/darwin8.h: New.
10955         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10956         (-mmacosx-version-min): Document.
10957
10958 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10959
10960         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10961
10962 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10963
10964         PR middle-end/22239
10965         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10966
10967 2005-07-07  Khem Raj  <kraj@mvista.com>
10968
10969         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10970         in bytes, not words.
10971
10972 2005-07-07  Paul Brook  <paul@codesourcery.com>
10973
10974         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10975         DEFAULT_FUNCTION_ARG_PADDING to upward.
10976
10977 2005-07-07  Richard Henderson  <rth@redhat.com>
10978
10979         * function.c (locate_and_pad_parm): Record parameter alignment in
10980         stack_alignment_needed.
10981
10982 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10983
10984         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10985         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10986         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10987         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10988         (define_attr "type"): Add isync, sync, load_l, store_c.
10989         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10990         Create scratch volatile MEM.
10991         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10992         sync.
10993         (load_locked_<mode>): New.
10994         (store_conditional_<mode>): New.
10995         (sync_compare_and_swap<mode>): Replace with splitter.
10996         (sync_lock_test_and_set<mode>): Replace with splitter.
10997         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10998         and UNSPECV_ISYNC.
10999         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11000         is ics.  Attribute isync.
11001         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11002         lwsync.
11003         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11004         and UNSPECV_SYNC_OP.
11005         (emit_unlikely_jump): New.
11006         (emit_load_locked): New.
11007         (emit_store_conditional): New.
11008         (rs6000_split_compare_and_swap): New.
11009         (rs6000_split_lock_test_and_set): New.
11010         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11011         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11012         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11013         rs6000_split_lock_test_and_set): Declare.
11014         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11015         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11016         store_c, isync, sync.
11017
11018 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11019
11020         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11021         filenames to gtyp-gen.h.
11022         (s-typ-gen): Use it in place of for loops.
11023
11024 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11025
11026         * hooks.c (hook_bool_rtx_int_false): New function.
11027         * hooks.h (hook_bool_rtx_int_false): Declare.
11028         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11029         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11030         * target.h (struct gcc_target): Add commutative_p member.
11031         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11032         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11033         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11034         (pa_commutative_p): New function.
11035         * jump.c (target.h): Include.
11036         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11037         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11038
11039 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11040
11041         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11042         (s390_expand_setmem): New.
11043         * config/s390/s390.c: Likewise.
11044         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11045         Adapt comments.
11046         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11047         general_operand.  Call new function "s390_expand_setmem".
11048         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11049         ("setmem_long", "*setmem_long"): ... this.
11050
11051 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11052
11053         * config/s390/s390.c: (optimization_options): Enable
11054         TARGET_MVCLE at -Os.
11055         * doc/invoke.texi: Document changes in default behaviour.
11056         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11057
11058 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11059
11060         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11061         defined by back-end.
11062
11063 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11064
11065         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11066         all sets in the pattern.
11067         * config/rs6000/rs6000.md (stack_protect_testsi,
11068         stack_protect_testdi): Likewise.
11069
11070 2005-07-06  Jeff Law  <law@redhat.com>
11071
11072         * tree-vrp.c (simplify_using_ranges): Kill.
11073         (vrp_finalize): Remove call to simplify_using_ranges.
11074         (simplify_stmt_using_ranges): New function extracted from
11075         simplify_using_ranges.
11076         (simplify_div_or_mod_using_ranges): Likewise.
11077         (simplify_abs_using_ranges): Likewise.
11078         (simplify_cond_using_ranges): New function.
11079         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11080         * tree-ssa-propagate.c (substitute_and_fold): Call
11081         simplify_stmt_using_ranges if we have range information.
11082
11083 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11084
11085         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11086         ia64_flag_schedule_isns2.
11087
11088         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11089         reading/writing general registers.
11090         (ia64_function_arg): Revert 2005-06-18 change.
11091
11092 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11093
11094         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11095         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11096
11097 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11098
11099         * function.c (expand_function_end): Revert part of 2005-06-27
11100         patch.  Do sjlj_emit_function_exit_after after return_label.
11101
11102 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11103
11104         * doc/install.texi (--disable-libssp): New.
11105
11106 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11107
11108         * doc/invoke.texi: Update -fforce-mem documentation.
11109         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11110         code for -fforce-mem.
11111         * expmed.c: (store_bit_field,store_fixed_bit_field,
11112         extract_bit_field): Ditto.
11113         * expr.c: (convert_move): Ditto.
11114         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11115         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11116         emit_conditional_add,expand_float,expand_fix): Ditto.
11117         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11118         (common_handle_option): Issue warning when -fforce-mem specified.
11119
11120 2005-07-06  Paul Brook  <paul@codesourcery.com>
11121
11122         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11123         argument is empty.
11124         * configure: Regenerate.
11125
11126 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11127
11128         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11129
11130 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11131
11132         Fix PR tree-optimization/22319
11133         Fix PR tree-optimization/22140
11134         Fix PR tree-optimization/22310
11135
11136         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11137         variable sized types.
11138         Use correct type for intermediate structure on *a = *b structure
11139         copies.
11140
11141 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11142
11143         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11144         Remove.
11145         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11146         (machine_function): Move typedef to...
11147         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11148         varargs_save_offset field.
11149         (rs6000_stack_t): Remove varargs_size field.
11150         (setup_incoming_varargs): Allocate varargs save area using
11151         assign_stack_local, try to make it as small as possible.
11152         Save offset from virtual_stack_vars_rtx to the save area
11153         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11154         instead of magic 8 when fp word byte size is used.
11155         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11156         instead of -RS6000_VARARGS_SIZE.
11157         (rs6000_stack_info, debug_stack_info,
11158         rs6000_initial_elimination_offset): Remove all traces of
11159         varargs_size.
11160         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11161         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11162         RS6000_VARARGS_AREA.
11163
11164 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11165
11166         PR tree-optimization/21963
11167         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11168         constant_multiple_of in the same way get_computation_cost_at does.
11169
11170 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11171
11172         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11173         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11174         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11175         and return its previous value.
11176         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11177         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11178         constants.
11179         (stack_protect_set, stack_protect_test): New expanders.
11180         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11181         stack_protect_testdi): New insns.
11182         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11183         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11184
11185 2005-07-06  Jeff Law  <law@redhat.com>
11186
11187         * tree-ssa-dce.c (cfg_altered): New global.
11188         (tree_dce_init): Initialize cfg_altered.
11189         (remove_dead_stmt): If we remove an edge in the CFG, then set
11190         CFG_ALTERED.
11191         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11192         the dominators.
11193
11194 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11195
11196         * Makefile.in (stamp-collect-ld): Use
11197         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11198         ./collect-ld if it already exists.
11199         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11200         Don't remove ./nm if it already exists.
11201
11202 2005-07-05  Devang Patel  <dpatel@apple.com>
11203
11204         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11205         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11206         * tree-vectorizer.c (vect_loop_location): New.
11207         (vect_print_dump_info): Use vect_loop_location.
11208         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11209         (vectorize_loops): Set vect_loop_location.
11210         * tree-vect-analyze.c (vect_analyze_offset_expr,
11211         vect_determin_vectorization_factor, vect_analyze_operations,
11212         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11213         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11214         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11215         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11216         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11217         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11218         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11219         vect_analyze_loop): Adjust vect_print_dump_info API.
11220         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11221         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11222         vect_finish_stmt_generation, vectorizable_assignment,
11223         vectorizable_operation, vectorizable_store, vectorizable_load,
11224         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11225         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11226         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11227         vect_transform_loop): Same.
11228         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11229         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11230         Same.
11231
11232 2005-07-05  Randolph Chung  <tausq@debian.org>
11233
11234         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11235         * configure: Regenerate.
11236         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11237         (pa_tls_referenced_p): Declare.
11238         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11239         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11240         (legitimize_tls_address): New.
11241         (hppa_legitimize_address): Handle TLS addresses.
11242         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11243         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11244         (emit_move_sequence): Handle TLS addresses.
11245         (pa_encode_section_info): Call default handler to handle common
11246         sections.
11247         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11248         (CONSTANT_ADDRESS_P): Reject TLS operands.
11249         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11250         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11251         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11252         (UNSPEC_TLSLE): Define new constants.
11253         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11254         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11255         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11256         (tie_symbolic_operand, tle_symbolic_operand): New
11257
11258 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11259
11260         * aclocal.m4: Update macros for autoconf 2.59 style.
11261         * configure.ac: Likewise.
11262
11263 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11264
11265         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11266         (function_arg): Pass small aggregates in general registers on 32-bit
11267         targets.
11268         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11269
11270 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11271
11272         * Makefile.in (final.o): Fix dependencies.
11273
11274 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11275
11276         PR c/22013
11277         PR c/22098
11278         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11279         * langhooks.c (lhd_expr_to_decl): New.
11280         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11281         New.
11282         (LANG_HOOKS_INITIALIZER): Update.
11283         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11284         expr_to_decl langhook.
11285         * c-tree.h (c_expr_to_decl): Declare.
11286         * c-typeck.c (c_expr_to_decl): New.
11287         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11288         specially.
11289         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11290
11291 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11292
11293         PR c/22308
11294         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11295         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11296
11297 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11298
11299         * Makefile.in: Adjust dependencies.
11300         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11301         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11302         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11303         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11304         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11305         rest_of_compilation.
11306
11307         * bb-reorder.c (gate_duplicate_computed_gotos,
11308         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11309         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11310         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11311         pass_partition_blocks): New.
11312         * bt-load.c (gate_handle_branch_target_load_optimize,
11313         rest_of_handle_branch_target_load_optimize,
11314         pass_branch_target_load_optimize): New.
11315         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11316         pass_jump2): New.
11317         * cfglayout.c (pass_insn_locators_initialize): New.
11318         * cfgrtl.c (pass_free_cfg): New.
11319         * combine.c (gate_handle_combine, rest_of_handle_combine,
11320         pass_combine): New.
11321         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11322         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11323         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11324         * except.c (pass_set_nothrow_function_flags,
11325         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11326         pass_rtl_eh): New.
11327         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11328         rest_of_handle_shorten_branches, pass_shorten_branches,
11329         rest_of_clean_state, pass_clean_state): New.
11330         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11331         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11332         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11333         pass_flow2): New.
11334         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11335         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11336         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11337         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11338         pass_gcse): New.
11339         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11340         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11341         pass_rtl_ifcvt, gate_handle_if_after_combine,
11342         rest_of_handle_if_after_combine, pass_if_after_combine,
11343         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11344         pass_if_after_reload): New.
11345         * integrate.c (pass_initial_value_sets): New.
11346         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11347         pass_purge_lineno_notes): New.
11348         * mode-switching.c (rest_of_handle_mode_switching,
11349         pass_mode_switching): New.
11350         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11351         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11352         pass_loop2): New.
11353         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11354         pass_loop_optimize): New.
11355         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11356         pass_sms): New.
11357         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11358         pass_gcse2): New.
11359         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11360         pass_postreload_cse): New.
11361         * profile.c (gate_handle_profiling, pass_profiling,
11362         rest_of_handle_branch_prob, pass_branch_prob): New.
11363         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11364         pass_split_before_regstack, gate_handle_split_before_regstack,
11365         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11366         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11367         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11368         pass_stack_regs): New.
11369         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11370         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11371         pass_stack_adjustments): New.
11372         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11373         pass_regrename): New.
11374         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11375         pass_delay_slots, gate_handle_machine_reorg,
11376         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11377         * rtl.h (extern void purge_line_number_notes): New.
11378         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11379         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11380         pass_sched2): New.
11381         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11382         pass_tracer): New.
11383         * value-prof.c (gate_handle_value_profile_transformations,
11384         rest_of_handle_value_profile_transformations,
11385         pass_value_profile_transformations): New.
11386         * var-tracking.c (gate_handle_var_tracking,
11387         pass_variable_tracking): New.
11388         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11389
11390         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11391         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11392         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11393         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11394         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11395         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11396         rest_of_handle_gcse2, rest_of_handle_regmove,
11397         rest_of_handle_tracer, rest_of_handle_if_conversion,
11398         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11399         rest_of_handle_web, rest_of_handle_branch_prob,
11400         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11401         rest_of_handle_jump_bypass, rest_of_handle_combine,
11402         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11403         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11404         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11405         rest_of_handle_mode_switching, rest_of_handle_jump,
11406         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11407         rest_of_handle_flow2, rest_of_handle_jump2,
11408         rest_of_handle_peephole2, rest_of_handle_postreload,
11409         rest_of_handle_shorten_branches, rest_of_clean_state,
11410         rest_of_compilation): Remove.
11411
11412         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11413         * passes.c (dump_flags, in_gimple_form, all_passes,
11414         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11415         register_dump_files, next_pass_1, last_verified, execute_todo,
11416         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11417         from tree-optimize.c.
11418         (init_optimization_passes): Moved from tree-optimize.c,
11419         adding the RTL optimizations.
11420         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11421         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11422         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11423         register_dump_files, next_pass_1, last_verified, execute_todo,
11424         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11425         init_tree_optimization_passes, ipa_passes): Delete.
11426         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11427         the RTL dumps.
11428         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11429         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11430         from tree.h.
11431         (ipa_passes): Remove.
11432         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11433         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11434         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11435         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11436         (dump_info_p, dump_flag): Moved to tree-dump.h.
11437
11438         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11439         cgraph.c, opts.c.
11440         * passes.c (finish_optimization_passes): Use dump_begin
11441         and dump_end, TDI_end.
11442         (gate_rest_of_compilation): New.
11443         (pass_rest_of_compilation): Use it.
11444         (gate_postreload, pass_postreload): New.
11445         * toplev.c (general_init): Rename init_tree_optimization_passes.
11446         * toplev.h (init_tree_optimization_passes): Rename to
11447         init_optimizations_passes.
11448         * tree-dump.c (dump_flag): Make static.
11449         (dump_files): Remove RTL dumps.
11450         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11451         pass_cleanup_cfg, pass_free_cfg_annotations,
11452         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11453         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11454         * tree-pretty-print.c: Include tree-pass.h.
11455         * cgraph.c: Include tree-dump.h.
11456
11457 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11458
11459         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11460         Only fall back to saying it points to readonly memory if
11461         we can't do better.
11462
11463 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11464
11465         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11466         * config/m32r/m32r.c (m32r_compute_frame_size,
11467         m32r_expand_prologue): Take current_function_profile into
11468         account whenever we reference
11469         current_function_uses_pic_offset_table.
11470         (m32r_finalize_pic): Remove.
11471         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11472
11473 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11474
11475         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11476         instead of $<.  Don't remove ./as if it already exists.
11477
11478 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11479
11480         PR target/21723
11481         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11482         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11483         for complex modes when generating code for PA 1.0.
11484         (VALID_FP_MODE_P): New macro.
11485         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11486         sets for all general and floating point modes.  Align wide floating
11487         point modes to even register boundaries to comply with architectural
11488         requirements.
11489         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11490         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11491         (VALID_FP_MODE_P): New macro.
11492         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11493         sets for all general and floating point modes.  Align wide floating
11494         point modes to even register boundaries to comply with architectural
11495         requirements.
11496
11497 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11498
11499         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11500         to 0.
11501
11502 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11503
11504         * tree-ssa-structalias.c: Don't include expr.h.
11505
11506 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11507
11508         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11509         comments.
11510
11511 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11512
11513         Fix PR tree-optimization/22279
11514
11515         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11516         correct operator.
11517
11518 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11519
11520         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11521
11522 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11523
11524         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11525         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11526         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11527         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11528         config/stormy16/stormy16.c, config/v850/v850.c,
11529         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11530         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11531         Avoid "." or "\n" at end of diagnostics and capital letters at
11532         start of diagnostics.
11533         * combine.c, cse.c: Don't translate dump file output.
11534         * toplev.c (print_version): Only translate output if going to
11535         stderr.
11536
11537 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11538
11539         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11540         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11541         typos.
11542
11543 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11544
11545         * pa.c (fix_range): Fix typo in comment.
11546
11547 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11548
11549         * tree-vrp.c (extract_range_from_assert): Replace
11550         fold (build (...)) with fold_build2.
11551
11552 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11553
11554         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11555         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11556         (format_types_orig, handle_format_attribute): Add support for
11557         format "gcc_gfc".
11558
11559 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11560
11561         * varasm.c (assemble_variable): Fix format specifier thinko.
11562
11563 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11564
11565         PR tree-optimization/22029 (and 22135)
11566         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11567         a phi node before calling dump_vops.
11568
11569 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11570
11571         * tree-dump.h (dump_string_field): Declare.
11572         * tree-dump.c: Use it instead of dump_string.
11573         (dump_string_field): Make non-static.
11574
11575 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11576
11577         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11578         up the minimal CFG stuff always when optimize > 0.  Call
11579         split_all_insns_noflow in PIC case if needed.
11580
11581 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11582             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11583
11584         PR c++/18279
11585         * c-decl.c (c_write_global_declarations): Dump contents of
11586         external scope to.
11587         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11588         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11589         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11590         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11591         is enabled.
11592
11593 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11594
11595         * c-common.h (GCC_DIAG_STYLE): Define.
11596         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11597         version for format checking to 4.1.
11598         * c-format.c: Include toplev.h after c-common.h.
11599         (enum format_type): Add gcc_tdiag_format_type.
11600         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11601         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11602         (format_types_orig): Add gcc_tdiag.
11603         (init_dynamic_diag_info): Support gcc_tdiag formats.
11604         (handle_format_attribute): Likewise.
11605         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11606         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11607         version for format checking to 4.1.
11608         (warning0, warning, error, pedwarn, sorry): Use
11609         ATTRIBUTE_GCC_DIAG.
11610         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11611         (finish_aliases_1): Do not use %qE.
11612         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11613         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11614         Correct format bugs.
11615         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11616         parameter to unsigned HOST_WIDE_INT.
11617         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11618
11619 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11620
11621         PR middle-end/21742
11622         * expr.c (write_complex_part): Use adjust_address for MEM.
11623         (read_complex_part): Same.
11624
11625 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11626
11627         Fix PR tree-optimization/22280
11628
11629         * tree-sra.c (generate_element_init): Remove useless loop.
11630
11631 2005-07-02  Richard Henderson  <rth@redhat.com>
11632
11633         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11634         TLS_MODEL_NONE.
11635         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11636
11637 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11638
11639         PR middle-end/14490
11640         * fold-const.c (fold_binary): Handle the return value of
11641         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11642         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11643
11644 2005-07-02  Jeff Law  <law@redhat.com>
11645
11646         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11647         a eliminate type conversion which feeds an equality comparison
11648         if the original type or either operand in the comparison is a
11649         function pointer.
11650
11651 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11652
11653         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11654         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11655         texts.
11656         * config/avr/avr.c: Do not use '`' as left quote.
11657         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11658         Remove "." from end of diagnostics.  Make diagnostics start with
11659         lowercase letter.
11660
11661 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11662             Joseph S. Myers  <joseph@codesourcery.com>
11663
11664         * toplev.c (default_tree_printer): Handle setting location with
11665         '+' flag.
11666         * c-objc.common.c (c_tree_printer): Likewise.
11667         * c-format.c (gcc_diag_flag_specs): Add '+'.
11668         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11669         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11670         formats.
11671         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11672         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11673         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11674         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11675         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11676         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11677         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11678         format arguments where %J is used without %D.
11679
11680 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11681
11682         * gcc.c (LINK_SSP_SPEC): Define.
11683         (link_ssp_spec): New variable.
11684         (LINK_COMMAND_SPEC): Add %(link_ssp).
11685         (static_specs): Add link_ssp_spec.
11686         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11687         * configure: Rebuilt.
11688         * config.in: Rebuilt.
11689
11690         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11691         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11692         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11693         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11694         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11695         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11696         -0x7008(2) instead of reading __stack_chk_guard variable.
11697         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11698         number.
11699         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11700         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11701         if TARGET_THREAD_SSP_OFFSET is defined.
11702         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11703         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11704
11705         Revert:
11706         2005-06-27  Richard Henderson  <rth@redhat.com>
11707         * libgcc-std.ver (GCC_4.1.0): New.
11708         * libgcc.h (__stack_chk_guard): Declare.
11709         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11710         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11711         * mklibgcc.in (lib2funcs): Add them.
11712
11713 2005-07-01  Richard Henderson  <rth@redhat.com>
11714
11715         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11716         void * before struct sigcontext *.
11717         (x86_fallback_frame_state): Likewise.
11718
11719 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11720
11721         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11722
11723 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11724
11725         PR tree-opt/22269
11726         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11727         we check for SSA_NAME for.
11728
11729 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11730
11731         Fix PR tree-optimization/22071
11732
11733         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11734         function.
11735         (get_constraint_for_component_ref): Use it.
11736
11737 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11738
11739         PR other/22264
11740         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11741         print out the last new line.
11742
11743 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11744
11745         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11746         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11747         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11748         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11749         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11750         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11751         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11752         (enum reg_class): New member CC0_REGS.
11753         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11754         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11755         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11756         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11757         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11758         Adjust for register now described.
11759
11760 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11761
11762         PR target/22262
11763         * config/i386/i386.md (stack_protect_test_si,
11764         stack_protect_test_di): Add earlyclobber for scratch 3.
11765         * config/rs6000/rs6000.md (stack_protect_testsi,
11766         stack_protect_testdi): Add earlyclobber for scratch 3,
11767         remove earlyclobber from scratch 4.
11768
11769 Older entries for 2005 can be found in ChangeLog-2005.