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* tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Jeff Law  <law@redhat.com>
2
3         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
4         to a structure containing state rather than a pointer to bool.
5         (case ARRAY_REF): New code to handle folding some array references.
6         (case ADDR_EXPR): Note when we are processing expressions found
7         within an ADDRE_EXPR.
8         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
9         for state variables rather than just a pointer to a boolean.
10         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
11         handling of constant string references.
12
13 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
14
15         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
16         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
17         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
18         Move other tst* patterns to retain partial order.
19
20 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
21
22         * config/s390/s390.md ("d0", "1"): New mode attributes.
23         ("<shift>di3", "<shift>si3"): Merge.
24         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
25         ("ashrdi3", "ashrsi3"): Merge.
26         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
27         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
28         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
29         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
30         ("*ashrdi3", "*ashrsi3"): Merge.
31         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
32
33 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
34
35         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
36         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
37         ("*extendqidi2", "*extendqisi2") Merge.
38         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
39         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
40         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
41         Move some patterns to retain partial ordering.
42
43 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
44
45         * config/s390/s390.md ("atype", "length"): Rewrite.
46         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
47
48 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
49
50         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
51
52 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
53
54         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
55         PARALLELs with a mode.
56
57 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
58
59         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
60         cond_expr parameter.
61
62 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
63
64         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
65
66 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
67
68         PR bootstrap/25397:
69
70         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
71         of STACK_REGS bits.
72
73         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
74
75 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
76
77         PR target/25254
78         PR target/24188
79         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
80         DECL_P, call get_section rather than get_named_section.  Supply
81         section flags to it.
82
83 2005-12-14  Ben Elliston  <bje@au.ibm.com>
84
85         * c-common.c (c_common_truthvalue_conversion): Generalise warning
86         for addresses converted to booleans; not just function addresses.
87         * c-typeck.c (build_binary_op): Warn for address comparisons which
88         can never be NULL (eg. func == NULL or &var == NULL).
89         * common.opt (Walways-true): New option.
90         * c-opts.c (c_common_handle_option): Set it with -Wall.
91         * doc/invoke.texi: Document it.
92
93 2005-12-13  Paul Brook  <paul@codesourcery.com>
94
95         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
96         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
97
98 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
99
100         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
101         (EXTRA_MULTILIB_PARTS): Define.
102
103 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
104
105         PR rtl-optimization/20070 / part1
106         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
107         count_or_remove_death_notes with kill == -1.
108         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
109         registers if PROP_POST_REGSTACK is set.
110         (mark_used_reg): Likewise.
111         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
112         REG_UNUSED notes for stack regs.
113         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
114         to match rtx_equiv_p machinery.  Change caller.
115         (outgoing_edges_match): Likewise.
116         (try_crossjump_to_edge): Use struct_equiv_block_eq
117         instead of flow_find_cross_jump.
118         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
119         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
120         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
121         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
122         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
123         (insns_match_p): Update prototype.
124         (flow_find_cross_jump): Remove prototype.
125         (struct_equiv_block_eq, struct_equiv_init): Declare.
126         (rtx_equiv_p, condjump_equiv_p): Likewise.
127         * struct-equiv.c: Include reload.h.
128         (IMPOSSIBLE_MOVE_FACTOR): Define.
129         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
130         (struct_equiv_improve_checkpoint): Likewise.
131         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
132         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
133         (struct_equiv_merge, find_dying_input): Likewise.
134         (resolve_input_conflict, note_local_live): Likewise.
135         (death_notes_match_p): Change parameters and processing
136         to match rtx_equiv_p machinery.  Change caller.
137         (insns_match_p): Likewise.
138         (flow_find_cross_jump): Replace with:
139         (struct_equiv_block_eq).
140
141         Back out this change:
142         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
143           * recog.c (verify_changes): Make it static.
144           * recog.h: Remove the corresponding prototype.
145
146 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
147
148         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
149         values.
150
151 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
152
153         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
154         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
155         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
156         TARGET_MS1_64_001 appropriately.
157         (ms1_machine_reorg): Use TARGET_MS2.
158
159 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
160
161         PR debug/25023
162         PR target/25293
163         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
164         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
165         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
166         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
167         Set mode to SI, adjust constraints.
168         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
169         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
170         32-bit code.
171
172 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
173
174         * c-cppbuiltin.c (builtin_define_float_constants): Add
175         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
176         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
177         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
178         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
179         to "((double)%sL)" otherwise "%s".
180
181 2005-12-13  Paul Brook  <paul@codesourcery.com>
182
183         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
184         apcs/atpcs.
185
186 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
187
188         * tree-flow.h: Allow compilation with a C++ compiler.
189         (struct edge_prediction): Prefix all field names  with "ep_".
190         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
191         (tree_predict_edge, combine_predictions_for_bb): Likewise.
192         (remove_predictions_associated_with_edge): Likewise.
193         
194 2005-12-12  Jeff Law  <law@redhat.com>
195
196         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
197         reassociation code.
198         * passes.c (init_optimization_passes): Run reassociation again
199         after loop optimizations.
200
201 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
202
203         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
204         if necessary.
205         (optimize_stmt): Ditto.
206         (canonicalize_comparison): New function.
207         * tree-ssa-operands.c (swap_tree_operands): Make external.
208         (get_expr_operands): Stop auto-canonicalization.
209         * tree-ssa-reassoc.c: Rewrite.
210         (init_optimization_passes): 
211         * tree-flow.h (swap_tree_operands): Prototype.
212         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
213
214 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
215
216         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
217         indicate function epilogue has been output.
218         (pa_asm_output_mi_thunk): Likewise.
219         (output_deferred_plabels): Put plabels in readonly data section when
220         not generating PIC code.
221         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
222         information.  Add assert.
223         (som_output_comdat_data_section_asm_op): New function.
224         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
225         instead of output_section_asm_op for COMDAT sections.
226
227 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
228
229         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
230         Fix whitespace in vincinity of to-be-installed changes.
231         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
232         (insns_match_p): Likewise.
233
234 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
235
236         * config.gcc (ms1): Replace with ...
237         (mt): ... this.
238         * config/ms1: Rename to ...
239         * config/mt: ... here.  Rename ms1 files to mt.
240         * config/mt/mt.c: Adjust gt-mt.h #include.
241         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
242         (crti.o, crtn.o): Adjust file names.
243
244 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
245
246         * varray.h: Allow compilation with a C++ compiler.
247         (union varray_data_tag): Prefix all field names with "vdt_".
248         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
249         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
250         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
251         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
252         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
253         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
254         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
255         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
256         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
257         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
258         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
259         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
260         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
261         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
262         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
263         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
264         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
265         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
266         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
267         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
268         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
269         VARRAY_TOP_TREE_PTR): Likewise.
270         * varray.c (varray_grow): Likewise.
271         (varray_clear): Likewise.
272
273 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
274
275         PR target/25299
276         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
277         alignment to doubleword if the first field is a double array.
278         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
279
280 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
281
282         * tree-ssa-structalias.c (process_constraint): Remove code to
283         transform addressofs into scalar.
284         (create_variable_info_for): In whole-program IPA, globals don't
285         point to ANYTHING by default.
286
287 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
288
289         * timevar.def (TV_IPA_PTA): New.
290         * tree-pass.h (pass_ipa_pta): New
291         * tree-ssa-structalias.c: Include cgraph.h
292         (in_ipa_mode): New.
293         (predbitmap_obstack): New.
294         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
295         (struct constraint_stats): Add num_edges.
296         (new_var_info): Don't call bitmap_clear.
297         (struct constraint_edge): Update docs.
298         (new_constraint_edge): Remove src param.
299         (struct constraint_graph): Add zero_weight_succs,
300         zero_weight_preds.  Update docs.
301         (constraint_expr_equal): Reformat.
302         (constraint_edge_equal): Update for removal of src.
303         (constraint_edge_less): Ditto.
304         (constraint_edge_vec_find): Ditto.
305         (erase_graph_self_edge): Update for removal of src and and zero
306         weight bitmap.
307         (clear_edges_for_node): Ditto.
308         (add_graph_edge): Ditto.
309         (get_graph_weights): Ditto.
310         (allocate_graph_weights): Ditto.
311         (merge_graph_nodes): Ditto.
312         (int_add_graph_edge): Ditto.
313         (valid_graph_edge): Ditto.
314         (valid_weighted_graph_edge): Ditto.
315         (build_constraint_graph): Ditto.
316         (scc_visit): Ditto.
317         (collapse_nodes): Ditto.
318         (process_unification_queue): Ditto.
319         (topo_visit): Ditto.
320         (solve_graph): Ditto.
321         (do_structure_copy): Ditto.
322         (perform_var_substitution): Ditto.
323         Init and release obstack.
324         (handle_ptr_arith): Try to resolve directly.
325         (find_func_aliases): Don't call update_alias_info here
326         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
327         (do_sd_constraint): Add code for propagating faster.
328         Update.
329         (do_ds_constraint): Ditto.
330         (count_num_arguments): New function.
331         (create_function_info_for): Ditto.
332         (create_variable_info_for): Handle FUNCTION_DECL.
333         (intra_create_variable_infos): Use make_constraint_to_anything.
334         (init_alias_vars): Init obstacks here.
335         (need_to_solve): Handle zero weight graph changes.
336         (compute_points_to_sets): Call update_alias_info here.
337         (delete_points_to_sets): Free zero weight preds/succs here.
338         (gate_ipa_pta): New.
339         (ipa_pta_execute): New
340
341 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
342
343         * tree-ssa-structalias.c (var_anyoffset): Removed.
344         (anyoffset_tree): Ditto.
345         (anyoffset_id): Ditto.
346         (do_deref): Take vector of constraints, no return value.
347         Update to work on vector.                
348         (get_constraint_for): Ditto.
349         (get_constraint_for_component_ref): Ditto.
350         (do_structure_copy): Ditto.
351         (handle_ptr_arith): Ditto.
352         (find_func_aliases): Ditto.
353         (set_uids_in_ptset): Remove anyoffset handling.
354         (init_base_vars): Ditto.
355
356 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
357
358         PR c++/25010
359         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
360         DECL_EXTERNAL functions have no bodies.  Tidy.
361
362 2005-12-10  Andreas Schwab  <schwab@suse.de>
363
364         * except.c (switch_to_exception_section): Only define if
365         TARGET_UNWIND_INFO is not defined.
366
367 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
368
369         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
370         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
371
372 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
373
374         * output.h (init_section, fini_section): Delete.
375         * varasm.c (init_section, fini_section): Delete.
376         (init_varasm_once): Don't initialize them.
377         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
378         there are no corresponding varasm.c variables.
379
380 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
381
382         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
383         of EH_FRAME_SECTION_NAME into...
384         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
385         if it is still null.
386         * except.c (default_exception_section): Delete, moving most
387         of the code to...
388         (switch_to_exception_section): ...this new function.  Set
389         exception_section if it is still null, then switch to it.
390         (output_function_exception_table): Use switch_to_exception_section.
391         * varasm.c (exception_section, eh_frame_section): Update comments.
392         (get_section): Hoist use of SECTION_NAMED.
393         (init_varasm_once): Don't set exception_section and eh_frame_section.
394         * output.h (default_exception_section): Delete.
395         (default_eh_frame_section): Delete.
396
397 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
398
399         * config/bfin/bfin.c: Include "cgraph.h".
400         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
401         Return the reg that holds the pointer to the GOT.
402         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
403         doing stack checking.
404
405 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
406
407         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
408         recompute_tree_invarant_for_addr_expr.
409         Update uses everywhere.
410
411 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
412
413         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
414         (MULTILIB_DIRNAMES): Define.
415
416 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
417
418         PR target/25311
419         * config/s390/s390.c (struct s390_address): New field literal_pool.
420         (s390_decompose_address): Compute literal_pool field.  Do not 
421         assume register %r13 is always (and solely) used as pool base.
422         (s390_extra_constraint_str): Use literal_pool field.
423
424 2005-12-09  Thiemo Seufer  <ths@networkno.de>
425
426         * config/mips/mips.c (override_options): Don't allow too small
427         integers in FP registers.
428
429 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
430
431         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
432         targetm.binds_local_p to check for local function calls.
433
434 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
435
436         PR debug/24908
437         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
438         call_used_regs can't be used to save reg in another reg.
439
440 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
441             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
442
443         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
444         abort.
445         * except.c (output_ttype): Likewise.
446         * tree-object-size.c (collect_object_sizes_for): Likewise.
447         (check_for_plus_in_loops_1): Likewise.
448         (check_for_plus_in_loops): Likewise.
449         (compute_object_sizes): Use gcc_unreachable instead of abort.
450
451 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
452
453         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
454         (loop_end, loop_init, doloop_end): New insns.
455         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
456         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
457         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
458         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
459         * config/ms1/ms1.c: #include basic-block.h
460         (struct machine_function): Add has_loops field.
461         (ms1_add_loop): New.
462         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
463         (struct loop_info, struct loop_work): New.
464         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
465         (ms1_reorg_loops): New loop optimization.
466         (ms1_machine_reorg): Call it.
467         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
468
469 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
470
471         PR tree-optimization/25248
472         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
473         evolution_of_loop from the failed attempt.  Remove handling
474         of MULT_EXPR.
475
476 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
477
478         * tree.h (DECL_EXTERNAL): Clarify documentation.
479
480 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
481             Jakub Jelinek  <jakub@redhat.com>
482
483         PR target/25268
484         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
485         argument.  Don't drop outer ANDs.
486         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
487         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
488         prototype.
489         * config/s390/predicates.md (setmem_operand): Remove.
490         (shift_count_operand): Rename to...
491         (shift_count_or_setmem_operand): ... this.  Adjust
492         s390_decompose_shift_count caller.
493         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
494         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
495         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
496         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
497         rotl<mode>3_and, setmem_long_and): New insns.
498         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
499         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
500         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
501         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
502         of shift_count_operand.
503         (setmem_long): Use shift_count_or_setmem_operand instead of
504         setmem_operand.
505
506 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
507             Andreas Tobler  <a.tobler@schweiz.ch>
508
509         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
510         tr expression.
511
512 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
513
514         * expr.c (force_operand): Use convert_to_mode for conversions.
515
516 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
517
518         * reload.h (reg_equiv_invariant): Declare.
519         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
520         register also when reg_equiv_invariant[R] is set.
521
522 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
523             Andreas Tobler  <a.tobler@schweiz.ch>
524
525         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
526
527 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
528
529         * tree-ssa-pre.c (bitmap_set_and): New function.
530         (bitmap_set_and_compl): New function.
531         (bitmap_set_empty_p): New function.
532         (insert_extra_phis): New function.
533         (compute_avail): Use insert_extra_phis.
534
535 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
536
537         * config/s390/s390.c (s390_expand_atomic): New function.
538         Adjust comment of helper functions.
539         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
540         * config/s390/s390.md ("ATOMIC"): New code macro.
541         ("atomic"): Corresponding new code attribute.
542         ("sync_lock_test_and_set[hq]i", 
543         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
544
545 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
546
547         * config/s390/s390.c (s390_expand_mask_and_shift, 
548         struct alignment_context, init_alignment_context, 
549         s390_expand_cs_hqi): New.
550         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
551         * config/s390/s390.md ("sync_compare_and_swaphi",
552         "sync_compare_and_swapqi"): New pattern.
553
554 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
555
556         Fix PR tree-optimization/25291
557         * tree-ssa-operands.c (add_call_clobber_ops): Remove
558         redundant and crashing check.
559
560 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
561
562         PR target/25212
563         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
564         tests further when !strict && reload_in_progress.
565         (print_operand): Check that both operands of indexed address are regs.
566         (print_operand_address): Likewise.
567         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
568         (INT_REG_OK_FOR_BASE_P): Correct.
569
570 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
571
572         Preparation for PR rtl-optimization/20070 / part1
573         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
574         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
575         outgoing_edges_match.
576         (outgoing_edges_match): Use condjump_equiv_p.
577         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
578         into..
579         * struct-equiv.c: New file.
580         (death_notes_match_p) New function, broken out of insns_match_p.
581         * Makefile.in (OBJS-common): Add struct-equiv.o.
582         (struct-equiv.o): New target.
583
584 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
585
586         * coretypes.h: Revert previous change.
587         * config/darwin.h: Revert previous reversion.
588         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
589
590 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
591
592         * coretypes.h (section): Provide dummy definition for target files.
593         * config/darwin.h: Revert previous change.
594
595 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
596
597         * doc/sourcebuild.texi (all.build, install-normal): Remove.
598         * configure.ac: Remove all.build and install-normal from target_list
599         * configure: Regenerate.
600         * Makefile.in (install): Don't depend on install-normal.
601
602 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
603
604         * Makefile.in: Document the use of stamps.
605
606 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
607
608         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
609         * Makefile.in: Add code to compute some dependencies on s-gtype
610         automatically.  Remove the declaration of those dependencies.
611
612 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
613
614         * gcc/reload.c (push_secondary_reload): Fix typo:
615         s/insn_constraint/scratch_constraint/.
616
617 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
618
619         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
620
621 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
622
623         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
624         (alpha_elf_select_rtx_section): Return the selected section rather
625         than emitting assembly code.
626         (alpha_write_linkage): Emit a ".link" directive directly and then
627         set in_section to NULL.
628         (vms_asm_out_constructor): Use switch_to_section.
629         (vms_asm_out_destructor): Likewise.
630         (unicosmk_output_common): Set in_section to NULL instead of calling
631         the dummy common_section function.
632         (unicosmk_text_section): Delete in favor of...
633         (unicosmk_output_text_section_asm_op): ...this new function.
634         (unicosmk_data_section): Delete in favor of...
635         (unicosmk_output_data_section_asm_op): ...this new function.
636         (unicosmk_init_sections): New function.
637         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
638         (unicosmk_output_ssib): Set in_section to NULL instead of calling
639         the dummy ssib_section function.
640         (unicosmk_section_buf): Delete.
641         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
642         (unicosmk_data_section): Delete.
643         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
644         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
645         (SECTION_FUNCTION_TEMPLATE): Delete.
646         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
647         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
648         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
649         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
650         (TARGET_ASM_INIT_SECTIONS): Define.
651         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
652         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
653         (link_section, literals_section): Delete.
654         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
655         set in_section to NULL.
656
657         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
658         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
659         (COMMON_SECTION): Delete.
660         (TARGET_ASM_INIT_SECTIONS): Define.
661         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
662         the dummy common_section function.
663         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
664         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
665         between readonly_data_section and text_section to check whether
666         read-only data is being put in the text section.
667         (arm_output_function_epilogue): Use switch_to_section.
668         (arm_elf_asm_constructor): Likewise.
669         (thumb_call_via_reg): Replace call to in_text_section with
670         a comparison between in_section and text_section.
671         (arm_file_end): Use switch_to_section.
672         (aof_text_section): Delete in favor of...
673         (aof_output_text_section_asm_op): ...this new function.
674         (aof_data_section): Delete in favor of...
675         (aof_output_data_section_asm_op): ...this new function.
676         (aof_asm_init_sections): New function.
677         (zero_init_section): Moved from config/arm/aof.h.
678         (aof_dump_imports, aof_file_start): Use switch_to_section.
679         * config/arm/arm.h (thumb_call_via_label): Update comment.
680         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
681         (common_section): Delete.
682         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
683         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
684         global switch_to_section function instead of the old port-local one.
685         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
686         (SWITCH_TO_SECTION_FUNCTION): Delete.
687         (drectve_section): Redefine as a macro.
688         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
689         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
690         switch_to_section.
691
692         * config/avr/avr.c (progmem_section): New variable.
693         (avr_output_progmem_section_asm_op): New function.
694         (avr_asm_init_sections): New function.
695         (avr_output_addr_vec_elt): Use switch_to_section.
696         * config/avr/avr.h (progmem_section): Declare.
697         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
698         (READONLY_DATA_SECTION): Delete.
699         (TARGET_ASM_INIT_SECTIONS): Define.
700         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
701         * config/avr/avr-protos.h (progmem_section): Delete.
702
703         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
704
705         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
706         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
707
708         * config/darwin-sections.def: New file.
709         * config/darwin.c: Define all sections in darwin-sections.def.
710         (output_objc_section_asm_op, darwin_init_sections): New functions.
711         (machopic_output_indirection): Use switch_to_section.
712         (machopic_select_section): Return the selected section rather than
713         emitting assembly code.  Replace the static function table with
714         inline conditional expressions.  Update the tests of last_text_section
715         and move them into the FUNCTION_DECL block.
716         (machopic_select_rtx_section): Return the selected section rather than
717         emitting assembly code.
718         (machopic_asm_out_constructor, machopic_asm_out_destructor)
719         (darwin_file_end): Use switch_to_section.
720         * config/darwin.h: Use darwin-sections.def to declare sections.
721         (INIT_SECTION_ASM_OP): Remove empty definition.
722         (HAS_INIT_SECTION): Define this instead.
723         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
724         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
725         (TARGET_ASM_EH_FRAME_SECTION): Delete.
726         (TARGET_ASM_INIT_SECTIONS): Define.
727         * config/darwin-protos.h (darwin_init_sections): Declare.
728         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
729         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
730         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
731         (constructor_section, destructor_section, mod_init_section): Delete.
732         (mod_term_section): Delete.
733         (darwin_exception_section, darwin_eh_frame_section): Delete.
734         (machopic_select_section): Return a section.
735         (machopic_select_rtx_section): Likewise.
736         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
737         (const_section, const_coal_section, const_data_section): Delete.
738         (const_data_coal_section, data_coal_section, cstring_section): Delete.
739         (literal4_section, literal8_section, constructor_section): Delete.
740         (mod_init_section, mod_term_section, destructor_section): Delete.
741         (objc_class_section, objc_meta_class_section, objc_category_section)
742         (objc_class_vars_section, objc_instance_vars_section): Delete.
743         (objc_cls_meth_section, objc_inst_meth_section): Delete.
744         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
745         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
746         (objc_symbols_section, objc_module_info_section): Delete.
747         (objc_image_info_section, objc_protocol_section): Delete.
748         (objc_string_object_section, objc_constant_string_object_section)
749         (objc_class_names_section, objc_meth_var_names_section): Delete.
750         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
751         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
752         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
753         (darwin_exception_section, darwin_eh_frame_section): Delete.
754         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
755
756         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
757         (frv_asm_out_destructor): Likewise.
758         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
759         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
760         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
761         get_named_section.
762         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
763         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
764         (data_section): Delete.
765
766         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
767         (DRECTVE_SECTION_FUNCTION): Delete.
768         (drectve_section): Redefine as a macro that sets in_section after
769         emitting the directive.
770         (SWITCH_TO_SECTION_FUNCTION): Delete.
771         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
772         in_text_section with comparison between in_section and text_section.
773         * config/i386/i386.c (x86_64_elf_select_section): Return the section
774         rather than emitting assembly code.  Use get_named_section.
775         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
776         get_named_section.
777         (machopic_output_stub): Use switch_to_section.
778         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
779         (nwld_named_section_asm_out_destructor): Use get_section and
780         switch_to_section.
781
782         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
783         rather than emitting assembly code.
784         (ia64_rwreloc_select_section): Likewise.
785         (ia64_rwreloc_select_rtx_section): Likewise.
786         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
787         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
788         switch_to_section.
789         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
790         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
791
792         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
793         section rather than emitting assembly code.
794         (iq2000_select_section): Likewise.
795         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
796         (sbss_section): Delete.
797
798         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
799         and get_named_section.
800         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
801
802         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
803         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
804         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
805         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
806         in_section to NULL.
807         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
808         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
809         global switch_to_section function instead of the old port-local one.
810         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
811         (SWITCH_SECTION_FUNCTION): Delete.
812         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
813         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
814         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
815         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
816         in_section to NULL.
817         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
818         global switch_to_section function instead of the old port-local one.
819         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
820
821         * config/mips/mips.c (mips_file_start): Update comment.
822         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
823         (mips_output_aligned_decl_common): Use switch_to_section.
824         (mips_select_rtx_section): Return the section rather than emitting
825         assembly code.  Use get_named_section.
826         (mips_function_rodata_section: Likewise get_section.
827         (build_mips16_function_stub): Use switch_to_section.
828         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
829         (SDATA_SECTION_ASM_OP): Delete.
830         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
831         (EXTRA_SECTION_FUNCTIONS): Delete.
832
833         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
834         (mmix_asm_output_aligned_local): Use switch_to_section.
835
836         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
837         (som_one_only_readonly_data_section): New variables.
838         (pa_output_function_epilogue): Set in_section to NULL instead of
839         calling forget_section.
840         (output_deferred_plabels): Use select_section.
841         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
842         of calling forget_section.
843         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
844         (pa_asm_output_aligned_local): Use select_section.
845         (som_text_section_asm_op): Delete in favor of...
846         (som_output_text_section_asm_op): ...this new function.
847         (pa_som_asm_init_sections): New function.
848         (pa_select_section): Return the section rather than emitting
849         assembly code.
850         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
851         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
852         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
853         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
854         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
855         (som_readonly_data_section, som_one_only_readonly_data_section)
856         (som_one_only_data_section, forget_section): Delete.
857         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
858         (TARGET_ASM_INIT_SECTIONS): Define.
859         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
860
861         * config/rs6000/rs6000.c (read_only_data_section): New variable.
862         (private_data_section, read_only_private_data_section): New variables.
863         (sdata2_section, toc_section): New variables.
864         (rs6000_file_start): Use switch_to_section.
865         (rs6000_assemble_integer): Use comparisons against in_section
866         instead of calling in_toc_section and in_text_section.  Use
867         unlikely_text_section_p.
868         (rs6000_elf_output_toc_section_asm_op): New function, derived
869         from the old rs6000/sysv4.h toc_section function.
870         (rs6000_elf_asm_init_sections): New function.
871         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
872         the section rather than emitting assembly code.
873         (machopic_output_stub): Use switch_to_section.
874         (toc_section): Delete dummy function.
875         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
876         switch_to_section and get_section.
877         (rs6000_xcoff_output_readonly_section_asm_op): New function.
878         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
879         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
880         the old rs6000/xcoff.h toc_section function.
881         (rs6000_xcoff_asm_init_sections): New function.
882         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
883         the section rather than emitting assembly code.
884         (rs6000_xcoff_file_start): Use switch_to_section.
885         (rs6000_xcoff_file_end): Likewise.
886         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
887         (sdata2_section, sbss_section, private_data_section): Delete.
888         (read_only_data_section, read_only_private_data_section): Delete.
889         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
890         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
891         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
892         (FINI_SECTION_FUNCTION): Delete.
893         (TARGET_ASM_INIT_SECTIONS): Define.
894         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
895         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
896         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
897         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
898         (READONLY_DATA_SECTION): Delete.
899         (TARGET_ASM_INIT_SECTIONS): Define.
900         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
901         to NULL rather than no_section.
902         (TARGET_ASM_EXCEPTION_SECTION): Delete.
903
904         * config/sh/sh.c (sh_file_start): Use switch_to_section.
905
906         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
907         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
908         from call to current_function_section.
909
910         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
911         (bss100_section): New variable.
912         (xstormy16_asm_output_aligned_common): Use switch_to_section.
913         (xstormy16_asm_init_sections): New function.
914         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
915         switch_to_section and get_section.
916         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
917         from calls to current_function_section.
918         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
919         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
920         (TARGET_ASM_INIT_SECTIONS): Define.
921         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
922
923         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
924         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
925         (FINI_SECTION_FUNCTION): Delete.
926
927         * config/v850/v850.c: Include gt-v850.h.
928         (rosdata_section, rozdata_section, tdata_section, zdata_section)
929         (zbss_section): New variables.
930         (v850_output_aligned_bss): Use switch_to_section.
931         (v850_asm_init_sections): New function.
932         (v850_select_section): Return the section rather than emitting
933         assembly code.
934         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
935         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
936         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
937         (TARGET_ASM_INIT_SECTIONS): Define.
938         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
939         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
940         (zbss_section): Delete.
941
942         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
943
944         * config/vx-common.h (vxworks_exception_section): Delete.
945         (TARGET_ASM_EXCEPTION_SECTION): Delete.
946
947         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
948         section rather than emitting assembly code.
949         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
950         switch_to_section.
951
952         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
953         * coretypes.h (section): New union and typedef.
954         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
955         from call to current_function_section.
956         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
957         (dbxout_symbol_location): Use switch_to_section.
958         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
959         most of the code into...
960         (default_eh_frame_section): ...here.  Return a section.
961         (collect2_eh_frame_section): Delete, moving most of the code into..
962         (switch_to_eh_frame_section): ...this new function.
963         (debug_info_section, debug_abbrev_section, debug_aranges_section)
964         (debug_macinfo_section, debug_line_section, debug_loc_section)
965         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
966         variables.
967         (output_call_frame_info): Call switch_to_eh_frame_section instead of
968         eh_frame_section.  Use switch_to_section and get_section.
969         (dwarf2out_begin_prologue): Use switch_to_section.
970         (AT_string_form): Check the flags in debug_str_section instead of
971         DEBUG_STR_SECTION_FLAGS.
972         (output_comp_unit): Use switch_to_section, get_section, and
973         debug_info_section.
974         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
975         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
976         from call to current_function_section.
977         (dwarf2out_var_location): Use unlikely_text_section_p.
978         (dwarf2out_source_line): Use switch_to_section.  Remove argument
979         from call to current_function_section.
980         (dwarf2out_start_source_file, dwarf2out_end_source_file)
981         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
982         debug_macinfo_section.
983         (dwarf2out_init): Initialize the new section variables.  Use them
984         instead of calls to named_section_flags.  Use switch_to_section.
985         (output_indirect_string): Use switch_to_section and debug_str_section.
986         (dwarf2out_finish): Use switch_to_section and the new section
987         variables.
988         * except.c (default_exception_section): Return the section instead
989         of emitting assembly code.
990         (output_function_exception_table): Use the global exception_section
991         variable instead of the target hook.  Use switch_to_section.  Remove
992         argument from call to current_function_section.
993         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
994         (shorten_branches): Use pointer comparisons to detect whether the
995         text section is the same as readonly_data_section.
996         (profile_function): Use switch_to_section.  Remove argument from
997         call to current_function_section.
998         (final_scan_insn): Likewise.  Update use of last_text_section.
999         * gengtype.c (open_base_files): Add an include of output.h.
1000         * output.h (text_section, data_section, readonly_data_section)
1001         (ctors_section, dtors_section, bss_section, init_section)
1002         (fini_section, sdata_section): Turn into section pointers.
1003         (in_text_section, in_unlikely_text_section, exports_section)
1004         (drectve_section, named_section, mergeable_string_section)
1005         (last_text_section_name): Delete.
1006         (default_exception_section, default_eh_frame_section): Return sections.
1007         (SECTION_DECLARED, SECTION_NAMED): New macros.
1008         (SECTION_MACH_DEP): Bump value.
1009         (section_common, named_section, unnamed_section): New structures.
1010         (unnamed_section_callback): New typedef.
1011         (section): New union.
1012         (sbss_section, exception_section, eh_frame_section): New variables.
1013         (in_section, last_text_section): Turn into section pointers.
1014         (get_unnamed_section, get_section, get_named_section): New functions.
1015         (mergeable_constant_section, function_section): Return a section.
1016         (unlikely_text_section): Likewise.
1017         (current_function_section): Likewise.  Remove the decl argument.
1018         (unlikely_text_section_p, switch_to_section): New functions.
1019         (output_section_asm_op): New function.
1020         (set_named_section_flags, named_section_flags, named_section_real)
1021         (named_section_first_declaration): Delete.
1022         (default_select_section, default_elf_select_section): Return a section.
1023         (default_elf_select_section_1, default_function_rodata_section)
1024         (default_no_function_rodata_section, default_select_rtx_section)
1025         (default_elf_select_rtx_section): Likewise.
1026         * rtl.h (in_data_section): Delete.
1027         * sdbout.c (sdbout_one_type): Use switch_to_section.
1028         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1029         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1030         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1031         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1032         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1033         (TARGET_ASM_OUT): Update after above changes.
1034         * target.h (init_sections): New hook.
1035         (exception_section, eh_frame_section): Delete.
1036         (select_section, select_rtx_section, function_rodata_section): Return
1037         a section rather than emitting assembly code.
1038         * varasm.c (text_section, data_section, readonly_data_section)
1039         (ctors_section, dtors_section, bss_section, init_section)
1040         (fini_section): Turn into section pointers.
1041         (sdata_section, sbss_section, exception_section): New variables.
1042         (eh_frame_section): New variable.
1043         (in_section): Make global and turn into a section pointer.
1044         (last_text_section): Turn into a section pointer.
1045         (unnamed_sections): New variable.
1046         (in_named_name, last_text_section_name): Delete.
1047         (EXTRA_SECTION_FUNCTIONS): Delete.
1048         (in_named_entry): Delete.
1049         (section_htab): New variable, replacing...
1050         (in_named_htab): ...this deleted variable.
1051         (section_entry_eq, section_entry_hash): New functions, based on...
1052         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1053         (get_unnamed_section, get_section): New functions.
1054         (unlikely_text_section): Return a section instead of emitting
1055         assembly code.
1056         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1057         (get_named_section_flags, named_section_first_declaration): Delete.
1058         (unlikely_text_section_p): New function.
1059         (named_section_real, named_section): Delete.
1060         (get_named_section): New function.
1061         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1062         (function_section): Return a section rather than emitting
1063         assembly code.
1064         (current_function_section): Likewise.  Remove argument.  Use
1065         last_text_section if nonnull, otherwise use function_section.
1066         (default_function_rodata_section): Return a section rather than
1067         emitting assembly code.  Use get_section.
1068         (default_no_function_rodata_section): Return a section rather than
1069         emitting assembly code.
1070         (variable_section): Use switch_to_section and get_named_section.
1071         (mergeable_string_section): Return a section rather than emitting
1072         assembly code.  Use get_section.  Make static.  Don't take special
1073         countermeasures for empty strings.
1074         (mergeable_constant_section): Return a section rather than emitting
1075         assembly code.  Use get_section.
1076         (default_named_section_asm_out_destructor): Use switch_to_section
1077         and get_section.
1078         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1079         (default_named_section_asm_out_constructor): Use switch_to_section
1080         and get_section.
1081         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1082         (assemble_start_function): Likewise.  Set last_text_section to
1083         NULL rather than no_section.  Change the type of save_section.
1084         (assemble_zeros, assemble_variable): Use the section flags to detect
1085         whether or not a section is text.
1086         (assemble_static_space): Use switch_to_section.
1087         (assemble_trampoline_template): Likewise.
1088         (output_constant_def_contents): Use switch_to_section and
1089         get_named_section.
1090         (output_constant_pool_1): Use switch_to_section.  Use the section
1091         flags to see whether sections contain mergeable data.
1092         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1093         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1094         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1095         whether a section has already been declared.
1096         (default_select_section, default_elf_select_section): Return a
1097         section rather than emitting assembly code.
1098         (default_elf_select_section_1): Likewise.  Use bss_section for
1099         SECCAT_BSS if nonnull.  Use get_named_section.
1100         (default_select_rtx_section): Return a section rather than
1101         emitting assembly code.
1102         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1103         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1104         (output_section_asm_op, switch_to_section): New functions.
1105         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1106         get_named_section.
1107
1108         * doc/tm.texi: Expand the introduction to the sections documentation.
1109         (TRAMPOLINE_SECTION): Document new interface.
1110         (SDATA_SECTION_ASM_OP): Document new macro.
1111         (READONLY_DATA_SECTION): Delete.
1112         (SDATA_SECTION_ASM_OP): Document new macro.
1113         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1114         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1115         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1116         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1117         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1118
1119 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1120
1121         * gcc.c (init_gcc_specs): Match braces inside conditionally
1122         compiled strings.
1123
1124 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1125
1126         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1127
1128 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1129
1130         PR C++/24138
1131         * tree.c (integer_all_onesp): Always return true if all bits on.
1132
1133         * testsuite/g++.dg/init/array0.C: New.
1134
1135 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1136
1137         * doc/md.texi: Adapt to implementation.
1138
1139 2005-12-06  Andreas Schwab  <schwab@suse.de>
1140
1141         * opts.c (decode_options): Fix typo in message.
1142
1143 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1144
1145         PR other/13873
1146         * longlong.h: Merge PPC tests from upstream.
1147
1148 2005-12-06  Richard Guenther  <rguenther@suse.de>
1149
1150         * fold-const.c (fold_convert): Do not build and fold
1151         CONVERT_EXPR, but always use NOP_EXPR.
1152
1153 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1154
1155         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1156         __builtin_ia32_paddq and __builtin_ia32_subq.
1157         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1158         __builtin_ia32_pshufw.
1159         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1160
1161 2005-12-05  James E Wilson  <wilson@specifix.com>
1162
1163         PR target/24934
1164         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1165         is set.
1166
1167 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1168         
1169         * print-tree.c (print_node): Ditto.
1170         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1171         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1172         before accessing DECL_ARTIFICIAL. 
1173         Handle new tag tree codes.
1174         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1175         changes.
1176         (unmodifiable_var_p): Ditto.
1177         * tree-flow.h (mem_tag_kind): Remove.
1178         (struct var_ann_d): Remove mem_tag_kind member.
1179         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1180         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1181         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1182         (group_aliases): Ditto.
1183         (setup_pointers_and_addressables): Ditto.
1184         (is_escape_site): Ditto.                                          
1185         (may_alias_p): Ditto.
1186         (create_tag_raw): New function.
1187         (create_memory_tag): Use it.
1188         (dump_alias_info): Update for tags.
1189         (may_be_aliased): Ditto.
1190         (add_type_alias): Ditto.
1191         (new_type_alias): Ditto.
1192         (create_sft): Ditto.
1193         (create_structure_vars): Ditto.
1194         * tree-ssa-ccp.c (get_default_value): Ditto.
1195         * tree-ssa-operands.c (get_expr_operands): Ditto.
1196         (add_stmt_operand): Ditto.
1197         (add_call_clobber_ops): Remove duplicated condition.
1198         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1199         tags.
1200         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1201         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1202         * tree.c (init_ttree): Update structures for new tree codes.
1203         (tree_code_size): Update sizes for new tree codes.
1204         (make_node_stat): Don't try to set common things on minimal
1205         structures.
1206         (tree_node_structure): Update for tags.
1207         (is_global_var): Ditto.
1208         * tree.def: Add new tree codes.
1209         * tree.h (MTAG_P): New macro.
1210         (TREE_MEMORY_TAG_CHECK): Ditto.
1211         (SSA_VAR_P): Update for tags.
1212         (struct tree_memory_tag): New structure.
1213         (MTAG_GLOBAL): New macro.
1214         (union tree_node): Add memory tag member.
1215         * treestruct.def (TS_MEMORY_TAG): New.
1216         
1217 2005-12-05  Dale Johannesen  <dalej@apple.com>
1218
1219         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1220         what was approved (PR 24323).
1221
1222 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1223
1224         * doc/c-tree.texi (Function Bodies): Remove description of
1225         RETURN_INIT.
1226
1227 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1228
1229         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1230         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1231         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1232         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1233         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1234         __divxc3): Document.
1235
1236 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1237
1238         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1239         previous behaviour.
1240         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1241         hook_bool_void_false.
1242         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1243         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1244
1245         * config/darwin.c (machopic_select_section): It's not defined
1246         as weak if it's only marked as weak_import.
1247         
1248         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1249         Prototype.
1250
1251         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1252         A hidden weak object does bind locally.  Strong linkonce data
1253         counts like any other strong symbol for binding.
1254         (weak_finish_1): Don't specially handle weakrefs, they no longer
1255         arrive here.
1256         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1257         * c-common.c (handle_alias_attribute): Allow static aliases
1258         of variables.
1259         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1260         * gthr-dce.h: Make weakrefs static.
1261         * gthr-tpf.h: Likewise.
1262         * gthr-solaris.h: Likewise.
1263         * gthr-posix.h: Likewise.
1264         * gthr-posix95.h: Likewise.
1265         * config/darwin.c (darwin_encode_section_info): static weakref
1266         variables are not necessarily defined in this translation unit.
1267         * doc/extend.texi (Function Attributes): Mention that an alias
1268         attribute creates a definition for the thing it's attached to.
1269         Change the documentation for weakref to say that the thing
1270         it's attached to must be static.
1271
1272         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1273         we don't go into an infinite loop.
1274
1275 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1276
1277         * config/rs6000/predicates.md (logical_const_operand): Split
1278         out of logical_operand.
1279         (logical_operand): Use it.
1280         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1281         logical_const_operand.
1282
1283 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1284
1285         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1286         and IX86_BUILTIN_CMPNESS.
1287         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1288         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1289         * config/i386/i386.md (movti_internal): Correct type attribute.
1290         Simplify mode attribute.
1291         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1292         Correct type attribute.
1293         (absxf2): Correct operator.
1294         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1295         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1296         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1297         mode attribute.
1298         (sse2_vmsqrtv2df2): Correct mode attribute.
1299
1300 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1301
1302         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1303         16 bits. Provide insn pattern for this case.
1304
1305 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1306
1307         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1308         result.
1309         (__popcountDI2): Likewise.
1310
1311 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1312
1313         PR target/25166
1314         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1315         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1316         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1317         functions.
1318
1319 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         * c-typeck.c (null_pointer_constant_p): New function.
1322         (build_conditional_expr, build_c_cast, convert_for_assignment,
1323         build_binary_op): Use it.
1324
1325 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1326
1327         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1328         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1329         CONVERT_EXPR.
1330         (check_function_arguments_recurse): Allow both NOP_EXPR and
1331         CONVERT_EXPR but check conversions preserve precision.
1332         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1333         but check conversions preserve precision.
1334         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1335         default case.
1336
1337 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1338
1339         PR c/7776
1340         * common.opt (Wstring-literal-comparison): New command line option.
1341         * c-opts.c (c_common_handle_option): Set it with -Wall.
1342         * c-typeck.c (parser_build_binary_op): Issue warning if either
1343         operand of a comparison operator is a string literal, except for
1344         testing equality or inequality against NULL.
1345
1346         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1347
1348 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1349
1350         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1351         of building a NOP_EXPR.
1352         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1353         NOP_EXPR.
1354         * c-convert.c (convert): Use fold_convert instead of building
1355         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1356         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1357         #if 0 code.
1358         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1359         NOP_EXPR the same as CONVERT_EXPR.
1360         * c-typeck.c (build_function_call): Use fold_convert instead of
1361         building a NOP_EXPR directly.
1362         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1363
1364 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1365
1366         PR rtl-optimization/25197
1367         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1368         have a reg.
1369
1370 2005-12-02  Stuart Hastings  <stuart@apple.com>
1371
1372         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1373         warning.
1374
1375 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1376
1377         * c-typeck.c (default_function_array_conversion,
1378         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1379         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1380         orig_op2.  Don't check them for NOP_EXPR.
1381         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1382         around integer zero.
1383
1384 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1385
1386         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1387         toc_save_offset, toc_size, lr_size.
1388         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1389         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1390         Adjust for removal of unused rs6000_stack_t fields.
1391         (debug_stack_info): Adjust.
1392         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1393         first, and don't bother checking for set/inc of lr on sibcalls.
1394         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1395
1396 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR target/25199
1399         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1400         5 if operand 1 is not aligned.  Undo previous constraint change.
1401         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1402
1403 2005-12-02  Richard Guenther  <rguenther@suse.de>
1404
1405         * tree.h (build): Remove prototype.
1406         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1407         * tree.c (build): Remove.
1408         (build0_stat): Update comment.
1409
1410 2005-12-02  Richard Guenther  <rguenther@suse.de>
1411
1412         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1413         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1414         Likewise.
1415         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1416         maybe_fold_offset_to_component_ref): Likewise.
1417         * tree-ssa-dom.c (thread_across_edge,
1418         simplify_rhs_and_lookup_avail_expr,
1419         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1420         Likewise.
1421         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1422         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1423         lower_try_finally_switch): Likewise.
1424         * tree-if-conv.c (add_to_dst_predicate_list,
1425         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1426         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1427         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1428         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1429         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1430         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1431         gimplify_init_ctor_eval, gimplify_init_constructor,
1432         gimplify_variable_sized_compare, gimplify_boolean_expr,
1433         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1434         gimplify_expr, gimplify_body, gimplify_function_tree,
1435         force_gimple_operand): Likewise.
1436         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1437         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1438         mx_register_decls): Likewise.
1439         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1440         get_frame_field, finalize_nesting_tree_1): Likewise.
1441         * tree-inline.c (setup_one_parameter): Likewise.
1442         * tree-vect-transform.c (vectorizable_condition): Likewise.
1443         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1444         Likewise.
1445         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1446         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1447         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1448         * tree-chrec.h (build_polynomial_chrec): Likewise.
1449
1450 2005-12-02  Richard Guenther  <rguenther@suse.de>
1451
1452         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1453         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1454         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1455         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1456         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1457         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1458         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1459         Likewise.
1460         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1461         sh_adjust_unroll_max): Likewise.
1462         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1463         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1464         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1465         Likewise.
1466         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1467         Likewise.
1468         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1469         Likewise.
1470
1471 2005-12-02  Richard Guenther  <rguenther@suse.de>
1472
1473         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1474         simplify_cond_using_ranges): Use buildN instead of build.
1475         * tree-tailcall.c (adjust_accumulator_values,
1476         adjust_return_value): Likewise.
1477         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1478         generate_element_copy, generate_element_zero,
1479         generate_one_element_init): Likewise.
1480         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1481         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1482         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1483         perfect_nestify): Likewise.
1484
1485 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1486
1487         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1488
1489 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1490
1491         * ggc.h (GGC_RESIZEVEC): New.
1492
1493 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1494
1495         * gcc.c (execute): Improve readability.
1496
1497 2005-12-02  Richard Guenther  <rguenther@suse.de>
1498
1499         * tree-cfg.c (mark_used_vars): New function.
1500         (dump_function_to_file): Dump only used VAR_DECLs.
1501
1502 2005-12-02  Richard Guenther  <rguenther@suse.de>
1503
1504         * convert.c (convert_to_integer): Fix compare for nonpositive
1505         constant to use tree_int_cst_sgn <= 0.
1506
1507 2005-12-02  Richard Guenther  <rguenther@suse.de>
1508
1509         * convert.c (convert_to_integer): Use fold_convert instead
1510         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1511         instead of comparing against 0.  Use build_int_cst instead
1512         of converting integer_zero_node.
1513
1514 2005-12-02  Richard Guenther  <rguenther@suse.de>
1515
1516         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1517         and RROTATE_EXPR.
1518  
1519 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1520
1521         PR target/21017
1522         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1523         rotates.
1524
1525 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1526
1527         PR middle-end/25176
1528         * function.c (expand_function_end): Emit blockage for unwinder
1529         after return label.
1530
1531 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1532
1533         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1534         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1535         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1536         integer constant comparisons.
1537
1538 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1539             Janis Johnson  <janis187@us.ibm.com>
1540             David Edelsohn  <dje@watson.ibm.com>
1541             Ben Elliston  <bje@au.ibm.com>
1542
1543         * dfp.h, dfp.c: New files.
1544         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1545         (DECNUM_H): Likewise.
1546         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1547         (INCLUDES): Append $(DECNUMINC).
1548         (OBJS-common): Add dfp.o.
1549         (dfp.o): New rule.
1550         * real.h (EXP_BITS): Pinch one bit to ..
1551         (struct real_value): Add decimal field.
1552         (real_format): Change table size, update documentation.
1553         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1554         (real_from_string3): Declare.
1555         (decimal_single_format): Declare.
1556         (decimal_double_format): Declare.
1557         (decimal_quad_format): Declare.
1558         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1559         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1560         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1561         * real.c: Include dfp.h.
1562         (normalize): Early return for decimal floats.
1563         (do_add): Zero decimal field.
1564         (do_compare): Call do_decimal_compare for decimal floats.
1565         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1566         (real_arithmetic): Call decimal_real_arithmetic for decimal
1567         floating point operands.
1568         (real_identical): If a and b are of differing radix, return false.
1569         (real_to_integer): Call decimal_real_to_integer if the value is a
1570         decimal float.
1571         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1572         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1573         (real_to_hexadecimal): Place "N/A" in the return string for
1574         decimal float.
1575         (real_from_string3): New variant, given a mode.
1576         (real_maxval): Use decimal_real_maxval for decimal floats.
1577         (round_for_format): Use decimal_round_for_format for decimals.
1578         (real_convert): Use decimal_real_convert where appropriate.
1579         (significand_size): Handle base 10.
1580         (encode_decimal_single, decode_decimal_single,
1581         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1582         decode_decimal_quad): New functions.
1583         (decimal_single_format): New.
1584         (decimal_double_format): New.
1585         (decimal_quad_format): New.
1586         * machmode.def: Add SD, DD and TD decimal floating point modes.
1587         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1588         Include MODE_DECIMAL_FLOAT.
1589         (DECIMAL_FLOAT_MODE_P): New.
1590         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1591         * genmodes.c (struct mode_data): Add counter field.
1592         (struct mode_data): Update comment for format.
1593         (blank_mode): Initialise counter field.
1594         (new_mode): Increment counter field for each mode defined.
1595         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1596         using a format.
1597         (make_complex_modes): Handle modes containing `D'.
1598         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1599         (make_decimal_float_mode): New.
1600         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1601         (cmp_modes): Compare counter field if other characteristics
1602         similar.
1603         (emit_real_format_for_mode): Support formats for decimal floats.
1604         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1605         Document MODE_DECIMAL_FLOAT.
1606
1607 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1608
1609         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1610         Delete dead code.
1611
1612 2005-12-01  Richard Henderson  <rth@redhat.com>
1613
1614         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1615
1616 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1617
1618         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1619
1620         * config/pa/pa.c (pa_init_builtins): If we detect
1621         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1622         putc_unlocked.
1623
1624 2005-12-01  Richard Guenther  <rguenther@suse.de>
1625
1626         * fold-const.c (fold_binary): Use fold_build2, not
1627         fold (build (...)).
1628
1629 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1630
1631         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1632
1633         * vec.h (VEC_block_remove): New.
1634
1635 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1636
1637         PR c/13384
1638         * c-common.c (lvalue_error): Fix wording.
1639
1640 2005-12-01  Richard Guenther  <rguenther@suse.de>
1641
1642         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1643         thinko in last patch.
1644
1645 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1646
1647         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1648         than -flat_namespace.
1649
1650 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1651
1652         * mklibgcc.in: Parameterise the script to build soft float
1653         functions by iterating over each type, rather than cloning the
1654         code for each type.
1655
1656 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1657
1658         PR middle-end/25158
1659         * builtins.c (fold_builtin_fputs): Defer check for missing
1660         replacement functions.
1661
1662 2005-11-30  Kean Johnston  <jkj@sco.com>
1663
1664         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1665         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1666
1667 2005-11-30  Richard Guenther  <rguenther@suse.de>
1668
1669         PR tree-optimization/22501
1670         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1671         function split out from ...
1672         (forward_propagate_addr_expr): ... here.  Use it to propagate
1673         ADDR_EXPRs to all uses.
1674
1675 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1676
1677         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1678         * builtins.c (expand_builtin_mathfn): Use them.
1679         (expand_builtin_mathfn_2): Likewise.
1680         (expand_builtin_mathfn_3): Likewise.
1681         (expand_builtin_int_roundingfn): Likewise.
1682         (expand_builtin): Likewise.
1683         (integer_valued_real_p): Likewise.
1684         (fold_builtin_int_roundingfn): Likewise.
1685         (fold_builtin_bitop): Likewise.
1686         (fold_builtin_logarithm): Likewise.
1687         (fold_builtin_1): Likewise.
1688         * convert.c (convert_to_integer): Likewise.
1689         * fold-const.c (negate_mathfn_p): Likewise.
1690         (tree_expr_nonnegative_p): Likewise.
1691
1692 2005-11-30  Dale Johannesen  <dalej@apple.com>
1693             Andrew Pinski  <pinskia@physics.uc.edu>
1694
1695         * combine.c (find_split_point):  Sign extend bitmask
1696         when changing bitfield assignment to IOR of AND.
1697
1698 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1699
1700         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1701         clobber to scratch reg.
1702         (*decrement_and_branch_until_zero_no_clobber): Remove.
1703         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1704         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1705         * config/ms1/ms1.opt (mmul): Remove.
1706         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1707         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1708
1709 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1710             Bernd Schmidt  <bernd.schmidt@analog.com>
1711
1712         * pa/predicates.md (symbolic_operand): Add comment.
1713         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1714         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1715         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1716         (pa_secondary_reload_class): Delete.
1717         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1718         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1719         copy of symbolic operand.
1720         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1721
1722 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1723
1724         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1725         jump.
1726
1727 2005-11-30  Jeff Law  <law@redhat.com>
1728
1729         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1730         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1731
1732 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1733
1734         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1735         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1736         (ia64_expand_move): Adjust caller.
1737
1738         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1739         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1740         negate VAL.
1741
1742 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1743
1744         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1745         Always produce an output if we can remove NEGs or canonicalize
1746         (minus (minus ...)) expressions.  Provide a fast path for the
1747         two-operand case.
1748         (simplify_gen_binary): Do not call simplify_plus_minus.
1749         (simplify_binary_operation_1): Reassociate at the end of the
1750         function.
1751
1752 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1753
1754         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1755         moves and unpack to speed up.
1756
1757 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1758
1759         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1760         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1761         (gen_v9_scc): Update callers.
1762         * config/sparc/sparc.md: Likewise.
1763         * config/sparc/sparc-protos.h: Update extern declaration.
1764
1765         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1766
1767 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1768
1769         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1770         the if.
1771
1772 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1773
1774         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1775         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1776         (negate_expr): Here.
1777
1778 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1779
1780         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1781         Fix typo in comment.
1782
1783 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1784
1785         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1786         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1787
1788 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1789
1790         PR middle-end/20109
1791         PR middle-end/25120
1792         * builtins.c (init_target_chars): New.
1793         (expand_builtin_printf, expand_builtin_fprintf,
1794         expand_builtin_sprintf, fold_builtin_sprintf,
1795         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1796         fold_builtin_snprintf_chk, fold_builtin_printf,
1797         fold_builtin_fprintf): Check for matching format strings using
1798         the target charset.
1799
1800 2005-11-29  Paul Brook  <paul@codesourcery.com>
1801
1802         * config.gcc: Do not use fixproto on m68k-elf.
1803
1804 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1805
1806         * expmed.c (div_cost): Replace with...
1807         (sdiv_cost, udiv_cost): New.
1808         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1809         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1810         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1811         (expand_divmod): Replace use of div_cost with either sdiv_cost
1812         or udiv_cost depending upon the signedness of the operation.
1813
1814 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1815
1816         PR libfortran/24991
1817         * config/darwin.c (machopic_indirection_name,
1818         machopic_output_indirection): Follow transparent alias chain.
1819
1820 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1821
1822         * varasm.c (ultimate_transparent_alias_target): Add comment.
1823
1824 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1825
1826         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1827         SET_SRC instead of XEXP where appropriate.
1828
1829 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1830
1831         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1832         __builtin_expect.
1833
1834 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1835
1836         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1837         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1838         bit at a time.
1839
1840 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1841
1842         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1843         secondary_input_reload_class, made static.  Adapt to new
1844         infrastructure.
1845         (secondary_output_reload_class): Delete.
1846         (TARGET_SECONDARY_RELOAD): New macro.
1847         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1848         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1849
1850 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1851
1852         PR c++/21166
1853         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1854         when its natural alignment is > BITS_PER_UNIT.
1855         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1856         * c-common.c (handle_packed_attribute): Ignore packing on a field
1857         whose type is naturally char aligned.
1858
1859 2005-11-28  Richard Guenther  <rguenther@suse.de>
1860
1861         * c-common.c (strict_aliasing_warning): Handle all
1862         component-ref like accesses.
1863
1864 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1865             Uros Bizjak  <uros@kss-loka.si>
1866
1867         PR middle-end/20219
1868         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1869         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1870         when flag_unsafe_math_optimizations is set and
1871         we don't care about NaNs or Infinities.
1872
1873         Move x/expN(y) and x/pow(y,z) transformation into common
1874         flag_unsafe_math_optimizations section.
1875
1876 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1877
1878         * gcc.c (main): Change type of argv to "char **".
1879
1880 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1881
1882         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1883         small data sections.
1884         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1885         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1886         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1887         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1888         output locals to sbss if !rs6000_elf_in_small_data_p.
1889         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1890
1891 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1892
1893         PR target/24997
1894         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1895         generated by reload.
1896         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1897         indexed_or_indirect_address.
1898         (indexed_or_indirect_address): Don't test for base reg.  Call
1899         address_operand last.  Make it a special predicate.
1900
1901 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1902
1903         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1904
1905 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1906
1907         PR middle-end/24575
1908         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1909         is undefined.
1910         (negate_expr): Likewise.
1911
1912 2005-11-27  Andreas Schwab  <schwab@suse.de>
1913
1914         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1915         redundant parens.
1916
1917 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1918
1919         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1920         has EH predecessor edges.
1921
1922 2005-11-26  Eric Christopher  <echristo@apple.com>
1923
1924         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1925         register stalls by zero extending to the full register.
1926
1927 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1928
1929         * config/floatunsisf.c, config/floatunsidf.c,
1930         config/floatunsixf.c, config/floatunsitf.c: New files.
1931         * config/ia64/t-hpux: Add floatunsitf.c.
1932         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1933         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1934
1935 2005-11-26  Richard Henderson  <rth@redhat.com>
1936
1937         * c-lex.c (pragma_lex): Rename from c_lex.
1938         * c-pch.c: Update for pragma_lex rename.
1939         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1940         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1941         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1942         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1943         * doc/tm.texi: Likewise.
1944
1945 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1946
1947         PR middle-end/23669
1948         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1949         when overflow is undefined.
1950
1951 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1952
1953         * doc/md.texi (Insn Canonicalizations): Refer to the
1954         function commutative_operand_precedence for further rules.
1955
1956 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1957
1958         PR middle-end/21309
1959         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1960         is less than zero.  Limit mult_cost to a reasonable upper bound for
1961         the synthetic multiplication sequence.
1962
1963 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1964
1965         PR middle-end/25022
1966         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1967         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1968         Lookup the explicit replacement functions for any unlocked
1969         stdio builtin transformations.
1970
1971 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1972
1973         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1974         earlyclobber.
1975         * targhooks.c (default_secondary_reload): Don't require operand 2
1976         for an input reload to be earlyclobber.
1977
1978 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1979
1980         * fold-const.c (negate_mathfn_p): Fix comment and add support
1981         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1982         BUILT_IN_ATANH.
1983
1984 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1985
1986         PR middle-end/24998
1987         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1988         _Q_ulltoq for unsigned conversions from SImode and DImode to
1989         TFmode.
1990
1991 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1992
1993         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1994         (__floatundidf, __floatundisf): Likewise.
1995
1996 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1997
1998         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1999         (rs6000_override_options): Remove initialization of
2000         rs6000_sr_alias_set.
2001         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2002         (rs6000_emit_stack_tie): Same.
2003         (emit_frame_save): Same.
2004         (gen_frame_mem_offset): Same.
2005         (rs6000_emit_prologue): Same.
2006         (rs6000_emit_epilogue): Same.
2007
2008 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2009
2010         PR middle-end/24989
2011         * fold-const.c (fold_build): Convert bool_var != 1 and
2012         bool_var == 0 to !bool_var.
2013
2014 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2015
2016         PR middle-end/24990
2017         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2018         for C being INTEGER_CST.  Likewise for !=.
2019
2020 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2021
2022         PR middle-end/24998
2023         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2024         unsigned conversions from SImode to TFmode.
2025
2026 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2027
2028         * expr.c (expand_expr_real_1): Fix error in last change.
2029
2030 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2031
2032         * caller-save.c: (this_insn_sets): Move into:
2033         (save_call_clobbered_regs).
2034         (mark_set_regs): Get this_insn_sets from data.
2035
2036         (save_call_clobbered_regs): Take sets of the return value by
2037         sibcalls into account.
2038
2039 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2040         PR target/21623:
2041
2042         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2043         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2044         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2045         (memory_move_secondary_cost, init_reg_autoinc): Remove
2046         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2047         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2048         secondary_reload_class call.
2049         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2050         callers.
2051         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2052         (push_secondary_reload): Use secondary_reload target hook.
2053         (secondary_reload_class, scratch_reload_class): New functions.
2054         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2055         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2056         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2057         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2058         (secondary_reload_class, scratch_reload_class): Declare.
2059         * reload1.c: Include target.h.
2060         (reload_adjust_reg_for_temp): New function.
2061         (reload_adjust_reg_for_icode): Likewise.
2062         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2063         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2064         call.
2065         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2066         for inheritance.  Support case when both secondary & tertiary reloads
2067         are for intermediate registers.
2068         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2069         with secondary_reload_class call.  Support case when both secondary
2070         & tertiary reloads are for intermediate registers.
2071         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2072         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2073         * target.h (secondary_reload_info): New struct / typedef.
2074         (struct gcc_target): New member secondary_reload.
2075         * targhooks.c Include reload.h, optabs.h and recog.h.
2076         (default_secondary_reload): New function.
2077         * targhooks.h (default_secondary_reload): Declare.
2078         * doc/tm.texi: Document secondary_reload target hook.  Update
2079         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2080         * doc/md.texi: Likewise.
2081
2082         * sh-protos.h (sh_secondary_reload): Declare.
2083         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2084         (sh_secondary_reload): New function.
2085         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2086         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2087         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2088         (HAVE_SECONDARY_RELOADS): Define.
2089         * sh.md (reload_indf): Rename to:
2090         (reload_indf__frn).
2091         (reload_outdf): Rename to:
2092         (reload_outdf__RnFRm).
2093         (reload_insf): Rename to:
2094         (reload_insf__frn).
2095         (reload_insi): Rename to:
2096         (reload_insi__i_fpul).
2097
2098 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2099
2100         * configure.ac: Require at least texinfo 4.4.
2101         * configure: Regenerate.
2102
2103         * doc/install.texi (Tools/packages necessary for building GCC):
2104         Update required version of texinfo to at least 4.4.
2105         (Installing GCC: Building): Update required version of texinfo
2106         to at least 4.4.
2107         (Installing GCC: Final installation): Update required version
2108         of texi2dvi to at least 4.4.
2109         (Host/target specific installation notes for GCC): Update required
2110         version of texinfo to at least 4.4.
2111
2112 2005-11-24  Richard Guenther  <rguenther@suse.de>
2113         Dirk Mueller <dmueller@suse.de>
2114
2115         PR c++/14024
2116         * c-common.h (strict_aliasing_warning): Declare.
2117         * c-common.c (strict_aliasing_warning): New function,
2118         split out from ...
2119         * c-typeck.c (build_c_cast): ... here.
2120
2121 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2122
2123         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2124         to order operands.
2125         (swap_commutative_operands_with_target): New.
2126
2127 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2128
2129         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2130         also when doing PRE, rather than only for global CPROP.
2131
2132 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2133
2134         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2135         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2136         formatting.
2137         (expand_twoval_unop): Likewise.
2138         (widen_clz): Likewise.
2139         (expand_parity): Likewise.
2140         (expand_unop): Likewise.
2141         (emit_cmp_and_jmp_insn_1): Likewise.
2142         (prepare_float_lib_cmp): Likewise.
2143
2144 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2145
2146         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2147         Remove unused `class' variable.
2148
2149 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2150
2151         PR c++/21667
2152         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2153         C/C++ diagnostic function warn_array_subscript_with_type_char.
2154         * c-common.h (warn_array_subscript_with_type_char): Declare.
2155         * c-common.c (warn_array_subscript_with_type_char): Define.
2156
2157 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2158
2159         PR c/21668
2160         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2161         compiling at the intersection of C and C++.
2162
2163 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2164
2165         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2166         List @file in the option summary.  Include the libiberty
2167         documentation for @file.
2168         * gcc.c (main): Call expandargv.
2169         * Makefile.in (gcc-vers.texi): Define srcdir.
2170
2171 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2172
2173         * passes.c (init_optimization_passes): Document
2174         sequencing of passes.
2175
2176 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2177
2178         * config/m68k/predicates.md (pcrel_address, extend_operator,
2179         post_inc_operand, pre_dec_operand): Remove redundant
2180         conditionals.
2181         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2182         instead of abort.
2183         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2184
2185 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2186
2187         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2188
2189 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2190
2191         Preparatory work for PR target/21623:
2192         * alpha.c (secondary_reload_class): Rename to:
2193         (alpha_secondary_reload_class).
2194         * alpha.h, alpha-protos.h: Likewise.
2195         * mn10300.c (secondary_reload_class): Rename to:
2196         (mn10300_secondary_reload_class).
2197         * mn10300.h, mn10300-protos.h: Likewise.
2198         * pa.c (secondary_reload_class): Rename to:
2199         (pa_secondary_reload_class).
2200         * pa.h, pa-protos.h: Likewise.
2201         * rs6000.c (secondary_reload_class): Rename to:
2202         rs6000_secondary_reload_class.
2203         * rs6000.h, rs6000-protos.h: Likewise.
2204
2205 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2206
2207         PR middle-end/22561
2208         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2209
2210 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2211
2212         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2213         a mode_class.
2214         (prepare_cmp_insn): Likewise.
2215
2216 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2217
2218         PR target/23435
2219         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2220         if both operands[0] and operands[1] are memory.
2221
2222 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2223
2224         PR middle-end/23606
2225         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2226         COMPARISON_CLASS_P and an integral types create create a new
2227         expression with the new type and fold that.
2228
2229 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2230
2231         PR target/24988
2232         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2233         to SUBTARGET_OS_CPP_BUILTINS.
2234
2235 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2236
2237         * arm.c (emit_set_insn): New function.
2238         (arm_split_constant): Call it.
2239         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2240         (arm_legitimize_address): Likewise.  Use plus_constant.
2241         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2242         (thumb_expand_prologue): Likewise.
2243         (arm_gen_load_multiple): Use VOIDmode in SET.
2244         (arm_gen_store_multiple): Likewise.
2245         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2246         (emit_multi_reg_push): Likewise.
2247         (emit_sfm): Use plus_constant.
2248
2249 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2250
2251         PR target/24954
2252         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2253         typo last change.
2254
2255 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2256
2257         PR middle-end/24950
2258         * expmed.c (store_bit_field): Don't attempt to insv a field
2259         larger than the reg.
2260
2261 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2262
2263         PR target/24954
2264         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2265         explicit sign extension, not a (char) cast.
2266
2267 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2268
2269         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2270         GET_MODE_CLASS (x) == MODE_FLOAT.
2271         * config/i386/i386.c: Likewise.
2272         * config/rs6000/xcoff.h: Likewise.
2273         * config/rs6000/linux64.h: Likewise.
2274         * config/rs6000/rs6000.c: Likewise.
2275         * config/rs6000/rs6000.h: Likewise.
2276         * config/rs6000/predicates.md: Likewise.
2277         * config/rs6000/sysv4.h: Likewise.
2278
2279 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2280
2281         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2282         flag_pic is set.
2283
2284         * config/alpha/freebsd.h, config/alpha/linux.h,
2285         config/arm/linux-elf.h, config/bfin/bfin.h,
2286         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2287         config/i386/beos-elf.h, config/i386/gnu.h,
2288         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2289         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2290         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2291         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2292         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2293         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2294         config/sparc/linux.h, config/sparc/linux64.h,
2295         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2296
2297         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2298         are both defined when either flag -fpic or -fPIC are used.
2299
2300 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2301
2302         * config/fp-bit.c (clzusi): New function.
2303         (si_to_float, usi_to_float): Use it to compute proper shift.
2304         (usi_to_float): Preserve guard bits when shifting right.
2305         * libgcc-std.ver (GCC_4.2.0): New version.
2306         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2307         __floatundisf): New functions.
2308         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2309         __floatundisf): Declare.
2310         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2311         _floatundixf, and _floatunditf.
2312         * optabs.c (expand_float): If target does not define a pattern for
2313         signed or unsigned conversion, use an unsigned libcall instead of
2314         a signed one.
2315         (init_optabs): Initialize ufloat_optab.
2316
2317 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2318
2319         * config/rs6000/rs6000.opt (mmulhw): New option.
2320         * doc/invoke.texi (-mmulhw): Document.
2321         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2322         for 405 and 440.
2323         * config/rs6000/rs6000.md: Add half-word multiply and
2324         multiply-accumulate instructions for 405 and 440.
2325
2326 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2327
2328         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2329         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2330         default now includes a linker group which makes the RTEMS one nest.
2331
2332 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2333
2334         * cse.c (fold_rtx): Typo fix.
2335         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2336
2337 2005-11-21  Richard Henderson  <rth@redhat.com>
2338
2339         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2340         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2341
2342         * c-tree.h (lookup_name): Move declaration ...
2343         * c-common.h (lookup_name): ... here.
2344         * config/darwin-c.c: Include c-common.h.
2345         * config/t-darwin: Update dependencies.
2346
2347 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2348
2349         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2350         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2351         * genopinit.c (gen_insn): Likewise.
2352         * reload.c (find_equiv_reg): Likewise.
2353         * loop.c (load_mems): Likewise.
2354         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2355         * cse.c (find_comparison_args, fold_rtx): Likewise.
2356         * dwarf2out.c (add_const_value_attribute): Likewise.
2357         * expr.c (convert_move): Likewise.
2358         * recog.c (general_operand, register_operand): Likewise.
2359         * reg-stack.c (replace_reg): Likewise.
2360         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2361         * c-common.c (handle_vector_size_attribute): Likewise.
2362         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2363         (simplify_binary_operation_1): Likewise.
2364         (simplify_const_binary_operation): Likewise.
2365         (simplify_relational_operation): Likewise.
2366         (simplify_const_relational_operation): Likewise.
2367         (simplify_immed_subreg): Likewise.
2368         * emit-rtl.c (gen_lowpart_common): Likewise.
2369         * expmed.c (expand_mult): Likewise.
2370         * stor-layout.c (layout_type): Likewise.
2371
2372 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2373
2374         PR target/24951
2375         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2376         cst2 only for SPE vectors.
2377
2378 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2379
2380         PR target/24953
2381         * config/rs6000/predicates.md (vrsave_operation): Check
2382         UNSPEC_VOLATILE value.
2383
2384 2005-11-21  Jan Hubicka  <jh@suse.cz>
2385
2386         PR tree-optimization/24653
2387         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2388
2389 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2390
2391         * config/i386/predicates.md (ax_reg_operand): New predicate.
2392         (memory_displacement_only_operand): New predicate.
2393         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2394         operand is AX register and the other operand is memory operand
2395         with displacement only.
2396
2397 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2398
2399         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2400         if we don't care about NaNs or Infinities.
2401
2402 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2403
2404         PR rtl-optimization/24883
2405         * combine.c (combinable_i3pat): When checking whether the
2406         destination of i3 is used in i3, consider paradoxical subregs.
2407
2408 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2409
2410         PR middle-end/20583
2411         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2412
2413 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2414
2415         * combine.c (try_combine): Do not run subst on i1src and i2src in
2416         the case of generating a PARALLEL for a comparison.
2417
2418 2005-11-20  Richard Henderson  <rth@redhat.com>
2419
2420         PR 24931
2421         * tree-sra.c (struct sra_elt): Add all_no_warning.
2422         (struct sra_walk_fns) <use>: Add use_all argument.
2423         (sra_walk_expr): Pass it.
2424         (sra_walk_modify_expr): Likewise.
2425         (scalarize_ldst): Likewise.
2426         (scan_use): Update for new argument.
2427         (mark_no_warning): New.
2428         (scalarize_use): Use it.
2429
2430 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2431
2432         * expr.c (expand_expr_real): Use usmul_optab for widening
2433         signed * unsigned multiplies.
2434         * genopinit.c (optabs): Add usmul_widen_optab.
2435         * optabs.c (init_optabs): Likewise.
2436         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2437         (usmul_widen_optab): Define.
2438         * config/bfin/bfin.md (usmulhisi3): New pattern.
2439
2440         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2441
2442 2005-11-20  Graham Stott <btinternet.com>
2443
2444         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2445
2446 2005-11-20  Andreas Schwab  <schwab@suse.de>
2447
2448         PR target/24757
2449         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2450         insn.
2451
2452 2005-11-19  Richard Henderson  <rth@redhat.com>
2453
2454         PR tree-opt/24665
2455         * tree-gimple.c (is_gimple_id): Export.
2456         * tree-gimple.h (is_gimple_id): Declare.
2457         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2458         (get_default_value): Use it.
2459         (maybe_fold_stmt_indirect): Likewise.
2460
2461 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2462
2463         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2464         than VR1 or vice-versa.
2465
2466 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2467
2468         PR middle-end/24912
2469         PR middle-end/24750
2470         * reload.c (find_reloads_address_1): Mention dependency on
2471         gen_reload.
2472         * reload1.c (gen_reload): For IN with an unary operation, try
2473         moving inner expression to OUT if trivial SET is not valid.
2474         Confirm that the result is valid.  Move common code block into...
2475         (emit_insn_if_valid_for_reload): New function.
2476
2477 2005-11-19  Richard Guenther  <rguenther@suse.de>
2478
2479         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2480         ARRAY_REFs of constant strings.
2481
2482 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2483
2484         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2485         fatal format string.
2486
2487 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2488
2489         * combine.c (make_compound_operation): Swap operands of
2490         commutative operation if necessary before returning.
2491
2492 2005-11-19  Richard Guenther  <rguenther@suse.de>
2493
2494         PR middle-end/23294
2495         * fold-const.c (fold_plusminus_mult_expr): New function.
2496         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2497         cases, remove now unnecessary code.
2498
2499 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2500
2501         * gensupport.c (old_preds): Rename to std_preds, add special field.
2502         (struct old_pred_table): Rename to struct std_pred_table, add special
2503         field.
2504         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2505         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2506         (init_predicate_table): Adjust, and set along the way whether a
2507         predicate is special.
2508
2509 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2510
2511         * BASE-VER: Change to 4.2.0.
2512
2513 2005-11-18  James E Wilson  <wilson@specifix.com>
2514
2515         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2516         returning it.
2517
2518 2005-11-18  Mike Stump  <mrs@apple.com>
2519
2520         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2521         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2522         * c-decl.c (lookup_name_two) Remove.
2523         * c-tree.h (lookup_name_two): Remove.
2524         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2525         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2526         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2527         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2528
2529 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2530
2531         PR target/24914
2532         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2533         when not generating code to use that co-processor.
2534
2535 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2536
2537         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2538         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2539         these functions are now in tree-phinodes.c.
2540
2541 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2542
2543         * config/bfin/bfin.md (trap): New pattern.
2544
2545 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2546
2547         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2548         on types.
2549
2550         * expr.c (expand_expr_real): Don't call record_block_change unless
2551         ib_boundaries_block is non-null
2552
2553         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2554
2555         * fold-const.c (build_range_check): Use proper type for subtraction
2556         when merging lower bound.
2557
2558 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2559
2560         PR rtl-optimization/24497
2561         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2562         the copied insn.
2563
2564 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2565
2566         * tree-scalar-evolution.c (expression_expensive_p): New function.
2567         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2568
2569 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2570
2571         * config/bfin/crtlibid.s: New file.
2572
2573 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2574
2575         PR target/24348
2576         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2577         when not using sjlj exceptions.
2578         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2579         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2580         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2581         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2582         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2583         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2584         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2585         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2586         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2587         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2588         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2589         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2590         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2591         defines.
2592         * config/pa/hpux-unwind.h: New file.
2593
2594 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2595
2596         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2597         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2598         * varasm.c (do_assemble_alias): Adjust call.
2599         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2600         is defined.
2601         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2602
2603 2005-11-17  James E Wilson  <wilson@specifix.com>
2604
2605         * tree.def (FUNCTION_DECL): Correct typo in comment.
2606
2607 2005-11-17  Richard Henderson  <rth@redhat.com>
2608
2609         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2610         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2611         and DW_CFA_def_cfa_sf.
2612         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2613         (dbx_reg_number): Don't assert particular registers here.
2614         (based_loc_descr): ... do it here instead.  Fold in ...
2615         (eliminate_reg_to_offset): ... this function.
2616         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2617         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2618         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2619         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2620         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2621         (instantiate_virtual_regs): Likewise.
2622         * var-tracking.c (adjust_stack_reference): Likewise.
2623         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2624
2625 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2626
2627         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2628         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2629         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2630         crtlibid.o.
2631         ($(T)crtlibid.o): New rule.
2632
2633 2005-11-16  Richard Guenther  <rguenther@suse.de>
2634
2635         PR middle-end/24851
2636         * fold-const.c (extract_array_ref): Return byte offset
2637         in all cases.
2638         (fold_binary): Fold &x[a] CMP &x[b] to
2639         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2640         behavior.
2641
2642 2005-11-16  Richard Henderson  <rth@redhat.com>
2643
2644         PR middle-end/23497
2645         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2646         parts of an SSA_NAME.
2647
2648 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2649
2650         PR target/24861
2651         * arm.md (split for movsf with immediate): Restrict split to insns
2652         that set a general register.
2653
2654 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2655
2656         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2657         uw_update_context.
2658         * unwind-dw2.c (uw_advance_context): Likewise.
2659         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2660         _Unwind_SjLj_Unregister.
2661         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2662
2663 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2664
2665         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2666
2667 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2668
2669         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2670         langhook to get a DImode integer type.
2671
2672 2005-11-16  Richard Henderson  <rth@redhat.com>
2673             J"orn Rennecke <joern.rennecke@st.com>
2674             Ulrich Weigand  <uweigand@de.ibm.com>
2675
2676         PR rtl-opt/24160
2677         PR target/24621
2678         * reload1.c (reg_equiv_invariant): New.
2679         (reload): Allocate, initialize, and free it.
2680         (calculate_needs_all_insns): Check it when skipping equivalence
2681         setting insns.
2682         (alter_reg): Likewise.
2683         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2684         may_use_invariant argument; only use reg_equiv_invariant when true.
2685         (eliminate_regs): New.
2686         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2687         a context for which may_use_invariant may be true.
2688
2689 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2690
2691         * fold-const.c (const_binop): Don't constant fold the operation
2692         if the result has overflowed and flag_trapping_math.
2693         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2694
2695 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2696
2697         * config/arm/unwind-arm.c (abort): Add prototype here.
2698         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2699         (struct phase1_vrs): Add prev_sp.
2700         (unwind_phase2_forced): Save the original core registers instead of
2701         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2702         and set action flags accordingly.  Always set _US_END_OF_STACK when
2703         get_eit_entry fails.  Unwind before calling the stop function.
2704         (_Unwind_GetCFA): New function.
2705         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2706         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2707         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2708         just call unwind_phase2_forced.
2709         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2710         * config/arm/unwind-arm.h (abort): Remove prototype.
2711         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2712         prototypes.
2713         (_Unwind_GetCFA): New prototype.
2714         * config/arm/pr-support.c (abort): Add prototype here.
2715         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2716         forced unwinding.
2717         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2718         not schedule the prologue with non-call exceptions and EABI.
2719
2720 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2721
2722         * config/arm/unwind-arm.h: Reorder interface function declarations.
2723         (_URC_END_OF_STACK): New enumeration value.
2724         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2725         (struct _Unwind_Control_Block): Document reserved field use.
2726         (_Unwind_Stop_Fn): New typedef.
2727         (_Unwind_ForcedUnwind): Declare.
2728         (_Unwind_Resume_or_Rethrow): Declare.
2729         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2730         argument.  Adjust.
2731         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2732         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2733         (UCB_FORCED_STOP_ARG): New.
2734         (search_EIT_table): Update boundary condition checks.
2735         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2736         (unwind_phase2): Replace for with do..while.
2737         (unwind_phase2_forced): New.
2738         (__gnu_Unwind_RaiseException): Replace for with do..while.
2739         (__gnu_Unwind_ForcedUnwind): New.
2740         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2741         Use appropriate phase2 unwinder.
2742         (__gnu_Unwind_Resume_or_Rethrow): New.
2743         (__gnu_unwind_pr_common): Cope with forced unwinding.
2744
2745 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2746
2747         PR target/24772
2748         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2749
2750         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2751         roundsf2): Remove "s" from mnemonic.
2752
2753 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2754
2755         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2756         __PIC__ is defined.
2757         * config/bfin/crtn.s: Change epilogues to match.
2758         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2759         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2760         __PIC__ and __pic__.
2761
2762 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2763
2764         PR 24357
2765         * doc/invoke.texi: Distinguish between free and fixed form instead of
2766         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2767         languages.
2768         * gcc.c (default_compilers): Remove double entries, add entries for
2769         suffixes '.F90' and '.F95'.
2770
2771 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2772
2773         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2774         in the stack probing loop.
2775
2776 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2777
2778         * configure.ac: Use .machine power5 not power5x.
2779         * configure: Regenerate.
2780
2781 2005-11-15  Mike Stump  <mrs@apple.com>
2782
2783         * c-decl.c (lookup_name_two): Add.
2784         * c-tree.h (lookup_name_two): Likewise.
2785         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2786         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2787
2788 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2789
2790         PR rtl-optimization/23392
2791         * regrename.c (enum scan_actions) Add mark_access.
2792         (scan_actions_name): Ditto.
2793         (scan_rtx_reg): Handle mark_access.
2794         (scan_rtx_address): Do nothing for mark_access.
2795         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2796         and regs in REG_INC notes before closing chains for dead regs.
2797         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2798         opening chains for new writes.
2799
2800 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2801
2802         * c.opt (ffixed-line-length-none): New.
2803
2804 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2805
2806         * mklibgcc.in: Change contents of eh_dummy.c.
2807
2808 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2809
2810         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2811
2812 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2813
2814         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2815         of making syscalls.
2816         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2817
2818 2005-11-15  Jan Hubicka  <jh@suse.cz>
2819
2820         * invoke.texi (large-unit-insns): Document.
2821         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2822         * params.def (large-unit-insns): New param.
2823
2824 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2825
2826         PR target/24869
2827         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2828         special register for operand 3.  Reindent constraints to align
2829         them vertically.
2830
2831 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2832
2833         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2834         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2835         * configure.ac: Add test for FP rounding instructions.
2836         * configure: Regenerate.
2837         * config.in: Regenerate.
2838         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2839         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2840         features enabled.
2841         * config/rs6000/rs6000.opt (mfprnd): New.
2842         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2843         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2844         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2845         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2846         (TARGET_FPRND): New.
2847         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2848         UNSPEC_FRIZ): New.
2849         (btrunc<mode>2): New.
2850         (ceil<mode>2): New.
2851         (floor<mode>2): New.
2852         (round<mode>2): New.
2853
2854 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2855
2856         * gcc.c (version_compare_spec_function): Use fatal() rather than
2857         abort().
2858
2859         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2860         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2861         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2862         as empty.
2863         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2864         link in crt2.o.
2865
2866         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2867         on -mmacosx-version-min setting.
2868
2869 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2870
2871         PR 24840
2872         * tree-vrp.c (infer_value_range): Return false if STMT is a
2873         block terminator and its basic block has no successors.
2874
2875 2005-11-14  Mike Stump  <mrs@apple.com>
2876
2877         * config/i386/i386.c (override_options): -masm=intel isn't
2878         supported on darwin.
2879         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2880
2881 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2882
2883         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2884         vfork after including auto-host.h.
2885
2886 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2887
2888         PR rtl-optimization/22002
2889         * combine.c (distribute_notes): Detect cases where a reg dies
2890         two or more times in a bb, including on the insn we are combining,
2891         and place the death note on the correct range.
2892
2893 2005-11-14  Dale Johannesen  <dalej@apple.com>
2894
2895         * expmed.c (store_bit_field):  Add offset unconditionally for
2896         memory targets.
2897         (extract_bit_field):  Don't force extzv or extv operand into
2898         a register if field is too big.
2899
2900 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2901
2902         * config/arm/arm.c (pic_labelno): New.
2903         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2904         LABEL_REF.  Pass only the labelno to PIC insns.
2905         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2906         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2907         * arm.md (UNSPEC_PIC_LABEL): New constant.
2908         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2909         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2910         Use the correct label prefix.
2911
2912 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2913
2914         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2915         REQ_EQUIV note.
2916
2917 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2918
2919         * loop-invariant.c: Include tm_p.h.
2920         * Makefile.in: Updated.
2921
2922 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2923
2924         * pa.c (store_reg): Revise generation of frame notes in large frames.
2925         (set_reg_plus_d): Likewise.
2926
2927 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2928
2929         PR tree-optimization/24709
2930         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2931         loop check.
2932
2933 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2934
2935         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2936         and duplicate declaration of pthread_self.
2937
2938 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2939             Ian Lance Taylor  <ian@airs.com>
2940
2941         PR middle-end/24003
2942         * calls.c (expand_call): If TARGET is a MEM and some part of the
2943         argument area has been saved, force TARGET to a register.
2944
2945 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2946
2947         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2948         checking.
2949
2950 2005-11-13  Jason Merrill  <jason@redhat.com>
2951
2952         PR c++/22489
2953         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2954         lazily declared methods.
2955         (force_decl_die): Stop if forcing out the context already make a
2956         DIE for the decl.
2957         (force_type_die): Likewise.
2958
2959 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2960
2961         PR middle-end/24820
2962         * builtins.c (integer_valued_real_p): Add break in
2963         REAL_CST having TREE_OVERFLOW set.
2964
2965 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2966
2967         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2968         addressing modes during calculation of costs.
2969
2970 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2971
2972         * function.c (assign_stack_local_1): Restrict sanity check
2973         on frame size overflow to 32-bit and above platforms.
2974
2975 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2976
2977         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2978         * config/cris/cris.c: Include reload.h.
2979         (cris_initial_elimination_offset): New function.
2980         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2981         Prototype.
2982
2983 2005-11-12  Richard Guenther  <rguenther@suse.de>
2984
2985         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2986
2987 2005-11-12  Jan Hubicka  <jh@suse.cz>
2988
2989         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2990         to compare against 0 when possible.
2991
2992 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2993
2994         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2995         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2996         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2997         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2998         in the new order.
2999
3000 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3001
3002         * recog.c (constrain_operands) <case 'g'>: For a match, require
3003         that a non-register matches general_operand when strict >= 0.
3004
3005 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3006
3007         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3008         previous checkin.
3009
3010 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3011
3012         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3013         (memory_address_same): New.
3014         (dse_optimize_stmt): Call memory_address_same.
3015
3016 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3017
3018         PR middle-end/24750
3019         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3020         ZERO_EXTEND>: New cases.
3021
3022 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3023
3024         * longlong.h (__clz_tab): Always provide.
3025
3026 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3027
3028         PR 24265
3029         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3030         can be assigned to.
3031         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3032         before check_maybe_invariant.
3033         (move_invariant_reg): Use gen_move_insn instead of replacing
3034         SET_DEST with the temporary for the invariant.
3035         (move_loop_invariants): If checking is enabled, do internal
3036         consistency checks after completing the pass.
3037
3038 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3039
3040         PR 24644
3041         * common.opt (Wvolatile-register-var): New.
3042         * varasm.c (make_decl_rtl): Only emit warning when option
3043         specified.  Clarify warning message.
3044         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3045
3046         * doc/md.texi (copysign): Document standard named pattern.
3047
3048 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3049
3050         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3051         bytes when align is 2.
3052         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3053         by the first instruction of the loop.
3054
3055 2005-11-11  Jason Merrill  <jason@redhat.com>
3056
3057         PR c++/24686
3058         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3059         the cleanup list.
3060
3061 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3062
3063         PR rtl-optimization/22509
3064         * local-alloc.c (memref_used_between_p): Check whether a function call
3065         could not reference the memref.
3066
3067 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3068
3069         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3070         algorithm so as to choose the best, not the worst, alternative.
3071         Reset accumulated register class before processing next alternative.
3072
3073 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3074
3075         PR target/24445
3076         * calls.c (expand_call): Copy a return value to a plain register
3077         if needed.
3078
3079 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3080
3081         PR target/24778
3082         * varasm.c (assemble_name): Recompute name only for transparent
3083         aliases.
3084
3085 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3086
3087         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3088
3089 2005-11-04  Jeff Law  <law@redhat.com>
3090
3091         PR middle-end/23181
3092         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3093         perform reassociation if the parent statement will not die as
3094         a result of the optimization.
3095
3096 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3097
3098         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3099         delete_old_heap_vars.
3100         * tree-dfa.c (referenced_var_remove): Remove function.
3101         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3102         (delete_tree_ssa): Remove call to delete_old_heapvars.
3103         Add call to delete_alias_heapvars.
3104         * tree-flow.h (referenced_var_remove): Remove prototype
3105         (init_alias_heapvars): New prototype.
3106         (delete_alias_heapvars): Ditto.
3107         * Makefile.in (tree-ssa-structalias.o): Add
3108         gt-tree-ssa-structalias.o
3109         (GTFILES): Add tree-ssa-structalias.h and
3110         tree-ssa-structalias.c.
3111         (s-gtype): Add gt-tree-ssa-structalias.h.
3112         * tree-ssa-structalias.c (heapvars): Remove.
3113         (oldheapvars): Remove.
3114         (heapvar_for_stmt): New variable.
3115         (heapvar_lookup): New function.
3116         (heapvar_insert): Ditto.
3117         (get_constraint_for): See if we have an old heapvar
3118         to reuse.
3119         (init_alias_heapvars): New function.
3120         (delete_alias_heapvars): Ditto.
3121         Add include of gt-tree-ssa-structalias.h.
3122
3123 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3124
3125         PR middle-end/22127
3126         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3127
3128 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3129
3130         * tree.c (int_fits_type_p): Only look at the base type
3131         if it has the same precision as the original type.
3132
3133 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3134
3135         PR other/4372
3136         * varasm.c (assemble_alias): Use %q+D in the error
3137         message instead of %J and %qD.
3138
3139 2005-11-10  Richard Guenther  <rguenther@suse.de>
3140
3141         * gcse.c (free_ldst_entry): Only free hashtable if
3142         it exists.
3143
3144 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3145
3146         * function.c (assign_stack_local_1): Issue an error message if
3147         the frame size overflows in the signed target arithmetics.
3148
3149 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3150
3151         * tree.c (build_qualified_type): Chain the new type to the original
3152         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3153         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3154         (build_pointer_type_for_mode): Only return unqualified types.
3155         (build_reference_type_for_mode): Likewise.
3156
3157 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3158
3159         * Makefile.in (gnucompare): Do comparison of all files using one of
3160         the chosen methods and only afterwards decide if just warning should
3161         be issued or comparison failure raised.
3162
3163 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3164
3165         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3166         (noce_try_abs): Negate if the comparison is reversed.
3167         Look only one instruction backwards for a REG_EQUAL note.
3168
3169 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3170
3171         PR other/4372
3172         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3173         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3174         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3175         and prefix all uses with __ghtrw.
3176
3177 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3178
3179         PR other/4372
3180         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3181         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3182         * c-common.c (handle_weakref_attribute): New.
3183         (c_common_attribute_table): Add weakref.
3184         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3185         in the assembler.
3186         * configure, config.in: Rebuilt.
3187         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3188         * doc/extend.texi: Document weakref attribute.
3189         * varasm.c (ultimate_transparent_alias_target): New
3190         (assemble_name): Use it.
3191         (weak_finish_1): Split out of...
3192         (weak_finish): ... and deal with weakrefs in...
3193         (weakref_targets): ... new list.
3194         (globalize_decl): Clean up weakref_targets.
3195         (do_assemble_alias): Handle weakrefs.
3196         (finish_aliases_1): Do not reject weakrefs to external symbols.
3197         (assemble_alias): Handle weakrefs.
3198
3199 2005-11-09  Richard Guenther  <rguenther@suse.de>
3200
3201         PR tree-optimization/24716
3202         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3203         t_bool to track results from follow_ssa_edge.
3204
3205 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3206
3207         * final.c (force_source_line): New global variable.
3208         (final_scan_insn): Set it to true instead of clearing last_filename.
3209         (notice_source_line): Return true if force_source_line is true,
3210         unless source info is absent.
3211
3212 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3213
3214         PR c/24644
3215         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3216         a linkage name for a variable if it a register variable.
3217         * c-decl.c (grokdeclarator): Global register variables
3218         should be set as PUBLIC.
3219
3220 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3221
3222         PR 24624
3223         * config/s390/s390.c (struct s390_frame_layout): New fields
3224         first_save_gpr_slot and last_save_gpr_slot.
3225         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3226         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3227         first_save_gpr and last_save_gpr with the _slot variants.
3228         (s390_register_info): Calculate first_save_gpr_slot and
3229         last_save_gpr_slot using regs_ever_live.
3230
3231 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3232
3233         PR 24623
3234         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3235         for a function containing a landing pad.
3236
3237 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3238
3239         PR 24034
3240         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3241         is live afterwards.
3242
3243 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3244
3245         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3246         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3247
3248 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3249
3250         Add ms2 support
3251         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3252         constants.
3253         (call,load,store): New insn types.
3254         (mem_access, branch_access): Adjust reservation conditions.
3255         (define_delay): Adjust condition.
3256         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3257         type.
3258         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3259         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3260         insn type.
3261         (call_internal, call_value_internal, return_internal,
3262         return_interrupt_internal, eh_return_internal, indirect_jump,
3263         tablejump): Set call insn type.
3264         (blockage, ei, di): Use appropriate unspec const.
3265         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3266         (ms1_get_attr_type): Adjust to give load & store types.
3267         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3268         backwards past a barrier.
3269         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3270         branch scheduling.
3271         (struct branch_info, struct label_info): New.
3272         (ms1_labels): New.
3273         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3274         (ms1_machine_reorg): New.
3275         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3276         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3277         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3278         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3279         (TARGET_MS2): New.
3280
3281 2005-11-09  Per Bothner  <per@bothner.com>
3282             Uros Bizjak  <uros@kss-loka.si>
3283
3284         PR c/24101
3285         * toplev.c (process_options): Initialize debug_hooks early
3286         in case lang_hooks.post_options ends up calling a debug_hook.
3287
3288 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3289
3290         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3291         DBX_REGISTER_NUMBER being contiguous.
3292
3293 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3294             Diego Novillo  <dnovillo@redhat.com>
3295
3296         PR 23046
3297         * tree-vrp.c (register_edge_assert_for): Do not register
3298         always-false predicates.
3299
3300 2005-11-08  Devang Patel <dpatel@apple.com>
3301
3302         PR tree-optimization/23115
3303         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3304         relation.
3305
3306 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3307
3308         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3309         -mcpu=440.
3310
3311 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3312
3313         Fix PR tree-optimization/23382
3314
3315         * tree-ssa-alias.c (compute_may_aliases): Call
3316         delete_old_heap_vars.
3317         * tree-dfa.c (referenced_var_remove): New function.
3318         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3319         * tree-flow.h (referenced_var_remove): Add prototype.
3320         (delete_old_heap_vars): Ditto.
3321         * tree-ssa-structalias.c (heapvars): New variable.
3322         (oldheapvars): Ditto.
3323         (get_constraint_for): Put heap vars on heapvars list.
3324         (delete_old_heap_vars): New function.
3325
3326 2005-11-08  Jason Merrill  <jason@redhat.com>
3327
3328         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3329
3330 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3331
3332         PR target/19340
3333         * reg-stack.c (reg_to_stack): Update register liveness also
3334         for flag_sched2_use_traces.
3335
3336 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3337
3338         PR target/23704
3339         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3340         override prior explicit -mno-powerpc-gfxopt.
3341
3342 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3343
3344         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3345         if the bitsize is zero.
3346         * doc/md.texi (Standard Pattern Names): Document it.
3347
3348         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3349         (TARGET_PASS_BY_REFERENCE): Likewise.
3350
3351 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3352
3353         PR rtl-optimization/24683
3354         * config/i386/i386.c (legitimize_pic_address): If constant operand
3355         to PLUS is too large, put it in a register.
3356
3357 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3358
3359         * configure.ac: Enable checking assembler dwarf2 support for bfin
3360         target.
3361         * configure: Regenerate.
3362
3363 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3364
3365         PR target/24230
3366
3367         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3368         gen_easy_vector_constant_add_self): Delete.
3369         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3370         New.
3371         (output_vec_const_move): Use gen_easy_altivec_constant.
3372         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3373         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3374         (easy_vector_constant_add_self): Rewritten.
3375         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3376         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3377         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3378         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3379         Macroize and adjust for the other changes.
3380
3381 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3382
3383         PR c/24599
3384
3385         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3386         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3387
3388 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR rtl-optimization/23567
3391         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3392         (noce_process_if_block): Don't do any optimizations except
3393         if (cond) x = x; if !set_b and write into orig_x may trap
3394         or fault.  Remove the MEM_READONLY_P check.
3395
3396 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3397
3398         PR 24670
3399         * tree-vrp.c (fix_equivalence_set): New.
3400         (extract_range_from_assert): Call it.
3401
3402 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3403
3404         PR target/22432
3405         * combine.c (apply_distributive_law): Don't distribute across a
3406         vector mode subreg.
3407
3408 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3409
3410         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3411         config/ms1/ms1.h, config/rs6000/predicates.md,
3412         config/s390/s390.c, params.def, postreload-gcse.c,
3413         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3414         tree-vrp.c, tree.c: Fix comment typos.
3415         * doc/invoke.texi: Fix typos.
3416
3417 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3418
3419         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3420         for testing whether the data_dependence_relation contains distance
3421         vectors.  Iterate over all distance vectors of the ddr.
3422         * lambda.h: Define a vec of lambda_vector pointers.
3423         * tree-data-ref.c (dump_data_dependence_relation,
3424         dump_data_dependence_direction): Iterate over all distance and
3425         direction vectors of the ddr.
3426         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3427         DDR_DIST_VECTS.
3428         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3429         of distance/direction vectors instead of a single one.
3430         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3431         lambda_vectors with a vec of lambda_vectors.
3432         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3433         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3434         DDR_NUM_DIST_VECTS): New.
3435         * tree-loop-linear.c (gather_interchange_stats): Test for the
3436         existence of distance vectors only after having checked that there
3437         is a dependence.  Iterate over all distance vectors of the ddr.
3438         (linear_transform_loops): Use dump_data_dependence_relation.
3439         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3440         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3441         distance vectors of the ddr.
3442
3443 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3444
3445         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3446         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3447         IS_INTHANDLER; all callers changed.
3448         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3449         account.
3450         (do_link, do_unlink): New argument ALL; all callers changed.
3451         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3452         If function isn't leaf, save and restore all registers.
3453         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3454         exception handler.
3455
3456 2005-11-05  Jan Hubicka  <jh@suse.cz>
3457
3458         PR rtl-optimization/23490
3459         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3460         max-flow-memory-location): Document.
3461         * flow.c: Include params.h
3462         (MAX_MEM_SET_LIST_LEN): Kill.
3463         (add_to_mem_set_list): Use new param.
3464         * cse.c (cse_basic_block): Replace 1000 by new param.
3465         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3466         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3467         * predict.c (predict_loops): Use new param.
3468         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3469
3470         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3471         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3472         Do not hold memory returned by cgraph_node_name across other call.
3473
3474 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3475
3476         PR target/23424
3477         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3478         Disable.
3479
3480 2005-11-04  Jeff Law  <law@redhat.com>
3481
3482         PR/21883
3483         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3484         * tree-ssa-dom.c: Include params.h.
3485         (thread_across_edge): If there are too many statements in the
3486         target block, then do not thread through it.
3487         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3488         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3489
3490 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3491
3492         PR 24627
3493         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3494         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3495
3496 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3497
3498         PR/18595
3499         * tree-scalar-evolution.c (instantiate_parameters_1,
3500         instantiate_parameters, resolve_mixers): Compute the size of an
3501         expression to be instantiated and give up the instantiation if the
3502         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3503
3504 2005-11-04  Richard Guenther  <rguenther@suse.de>
3505
3506         * tree-flow.h (ref_contains_indirect_ref): Rename to
3507         array_ref_contains_indirect_ref.
3508         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3509         (array_ref_contains_indirect_ref): Make comment match the code
3510         and vice-versa.
3511         (ref_contains_array_ref): Likewise.
3512         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3513         ref_contains_indirect_ref.
3514         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3515         Rename calls to ref_contains_indirect_ref.
3516
3517 2005-11-04 Paul Brook  <paul@codesourcery.com>
3518
3519         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3520         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3521         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3522         * config/arm/arm.md: Use match_operand in peephole input templates
3523         and match_dup in peephole output templates.
3524
3525 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3526
3527         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3528         __aeabi_uidiv.
3529
3530 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3531             Daniel Jacobowitz  <dan@codesourcery.com>
3532
3533         * longlong.h (add_ssaaaa): Clobber condition code register
3534         in ARM version.
3535         (sub_ddmmss): Likewise.
3536         (umul_ppmm): Likewise.
3537
3538 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3539             Paul Brook  <paul@codesourcery.com>
3540             Phil Blundell  <pb@reciva.com>
3541
3542         * configure.ac: Add test for ARM TLS support.
3543         * configure: Regenerated.
3544         * config/arm/arm-protos.h (legitimize_tls_address)
3545         (arm_tls_referenced_p, tls_mentioned_p)
3546         (arm_output_addr_const_extra): New prototypes.
3547         (thumb_legitimize_pic_address): Delete.
3548         * config/arm/arm.c: Include "gt-arm.h".
3549         (enum tls_reloc): New.
3550         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3551         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3552         (arm_call_tls_get_addr, legitimize_tls_address)
3553         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3554         (arm_init_tls_builtins, arm_emit_tls_decoration)
3555         (arm_output_addr_const_extra): New functions.
3556         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3557         (TARGET_HAVE_TLS): Define.
3558         (target_thread_pointer): New.
3559         (arm_override_options): Handle -mtp=.
3560         (legitimize_pic_address): Ignore UNSPECs.
3561         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3562         relative symbols.
3563         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3564         (tls_get_addr_libfunc): New variable.
3565         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3566         (arm_init_builtins): Call arm_init_tls_builtins.
3567         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3568         (arm_encode_section_info): Call default_encode_section_info.
3569         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3570         (enum arm_tp_type): New.
3571         (target_thread_pointer): Add declaration.
3572         (LEGITIMATE_CONSTANT_P): Handle TLS.
3573         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3574         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3575         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3576         * config/arm/arm.md: Add UNSPEC_TLS.
3577         (movsi): Handle TLS.
3578         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3579         non-PIC.
3580         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3581         (load_tp_hard, load_tp_soft): New insns.
3582         * arm.opt: Add -mtp=.
3583         * doc/invoke.texi (ARM Options): Document -mtp.
3584
3585 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3586
3587         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3588         * config/arm/libunwind.S: Include "lib1funcs.asm".
3589         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3590         (LIB2ADDEH): Add libunwind.S.
3591         (LIB2ADDEHDEP): Add lib1funcs.asm.
3592         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3593
3594 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3595
3596         PR fortran/18452
3597         * gcc/c.opt: Add a -lang-fortran option.
3598         * gcc/c-opts.c: Add a lang_fortran flag.
3599         (c_common_init_options): Handling the -lang-fortran option.
3600         (c_common_handle_option): Add a case for Fortran options in
3601         preprocessing. Remove cases for -ffixed-form and
3602         -ffixed-line-length. Add a case for -lang-fortran.
3603
3604 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3605
3606         * config/rs6000/rs6000.c: Include params.h
3607         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3608         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3609         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3610         (UNSPEC_VPKUWSS): Delete.
3611         (altivec_vpkuhss): Delete.
3612         (altivec_vpkuwss): Delete.
3613         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3614         final condition.
3615         (neg_eq0<mode>): Remove final condition.
3616         (neg_eq<mode>): Remove condition and split-condition.
3617
3618 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3619
3620         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3621         Use associated print macros.
3622
3623 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3624
3625         PR c++/17964
3626         * diagnostic.c (diagnostic_set_info_translated): New function.
3627         (diagnostic_set_info): Use it.  Add comment.
3628         * diagnostic.h (diagnostic_set_info_translated): Declare.
3629
3630 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3631
3632         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3633         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3634         reference only if 'public' is true.
3635         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3636         emit the .hidden directive only if the indirect reference is public.
3637         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3638         Pass it to dw2_force_const_mem.
3639         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3640         * dwarf2out.c (output_cfi): Adjust calls to above function.
3641         (output_call_frame_info): Likewise.
3642         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3643         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3644
3645 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3646
3647         PR tree-optimization/24483
3648         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3649         field to elts if possible.
3650
3651 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3652
3653         PR middle-end/23155
3654         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3655         CONSTRUCTOR.
3656
3657 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3658
3659         Fix PR tree-optimization/24351
3660
3661         * tree-ssa-structalias.c (struct variable_info): Add
3662         collapsed_into.
3663         (get_varinfo_fc): New function to follow collapsing.
3664         (new_var_info): Set collapsed_to to NULL.
3665         (dump_constraint): Follow collapsing.
3666         (build_constraint_graph): Handle collapsing.
3667         (do_simple_structure_copy): Return false if something bad
3668         happened.
3669         (collapse_rest_of_var): New function.
3670         (do_structure_copy): Collapse if do_simple_structure_copy returns
3671         false.
3672
3673 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3674
3675         PR middle-end/24589
3676         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3677         expressions to a statement list instead of gimplifying them.
3678
3679 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3680
3681         PR rtl-optimization/23585
3682         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3683         that can't trap plus a constant integer, if the mode has zero size.
3684
3685 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3686
3687         PR target/24620
3688         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3689         as operand 2.
3690         ("*insv<mode>_reg_extimm"): Likewise.
3691
3692 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3693
3694         PR c/24329
3695         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3696         c_common_type_for_mode returns an unnamed type.
3697
3698 2005-11-02  Richard Henderson  <rth@redhat.com>
3699
3700         PR target/9350
3701         PR target/24374
3702         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3703         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3704         * function.c (assign_parms): Use calls.internal_arg_pointer.
3705         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3706         code.
3707         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3708         (TARGET_CALLS): Add it.
3709         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3710         * targhooks.c (default_internal_arg_pointer): New.
3711         * targhooks.h (default_internal_arg_pointer): Declare.
3712         * tree.h (dwarf2out_reg_save_reg): Declare.
3713         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3714         * config/i386/i386.c (dbx_register_map): Add return column.
3715         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3716         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3717         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3718         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3719         (ix86_save_reg): Save force_align_arg_pointer.
3720         (ix86_emit_save_regs): Make regno unsigned.
3721         (ix86_emit_save_regs_using_mov): Likewise.
3722         (ix86_expand_prologue): Handle force_align_arg_pointer.
3723         (ix86_expand_epilogue): Likewise.
3724         * config/i386/i386.h: (dbx_register_map): Update.
3725         (dbx64_register_map, svr4_dbx_register_map): Update.
3726         (struct machine_function): Add force_align_arg_pointer.
3727         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3728         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3729         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3730
3731 2005-11-02  Jan Hubicka  <jh@suse.cz>
3732
3733         PR target/23303
3734         * i386.md: Add peep2 for simplyfing array accesses.
3735
3736 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3737
3738         PR target/24615
3739         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3740         * config/s390/s390.c (s390_decompose_shift_count): New function.
3741         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3742         (print_shift_count_operand): Use s390_decompose_shift_count.
3743         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3744         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3745
3746 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3747
3748         PR target/24600
3749         * loop.c (loop_givs_rescan): Use force_operand to expand
3750         complex GIVs.
3751
3752 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3753
3754         PR 22429
3755         * fold-const.c (build_range_check): Use unsigned when signed
3756         overflow is undefined also.  If etype is subtype, make sure that
3757         the subtraction is in the supertype.
3758
3759 2005-11-02  Richard Henderson  <rth@redhat.com>
3760
3761         PR target/24178
3762         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3763         by MEM_ALIGN.
3764
3765 2005-11-01  Richard Henderson  <rth@redhat.com>
3766
3767         PR 21518
3768         * loop.c (scan_loop): Do not propagate computations to a hard
3769         register destination with SMALL_REGISTER_CLASSES.
3770
3771 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3772
3773         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3774         costs for MULT inside PLUS or MINUS.
3775
3776 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3777
3778         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3779         (TRAMPOLINE_SIZE): Round up to 60.
3780         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3781
3782 2005-10-31  James E. Wilson  <wilson@specifix.com>
3783
3784         PR debug/24444
3785         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3786         ifdef.  Put ifdefs around call in gen_subprogram_die.
3787         (compute_frame_pointer_to_cfa_displacement): Likewise.
3788         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3789         not defined.
3790
3791         PR rtl-optimization/17356
3792         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3793         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3794
3795 2005-10-31  Jan Hubicka  <jh@suse.cz>
3796
3797         PR middle-end/24093
3798         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3799
3800         PR target/20928
3801         * i386.c (legitimize_pic_address): Deal with large immediates.
3802
3803         PR profile/20815
3804         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3805         from symbol names while computing checkup.
3806
3807         PR profile/24487
3808         * predict.c (predict_loops): Do not estimate more than
3809         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3810         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3811
3812 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3813
3814         PR tree-optimization/19097
3815         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3816
3817 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3818
3819         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3820
3821 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3822
3823         PR middle-end/23492
3824         * tree-inline.c (setup_one_parameter): If the init_stmt
3825         is NULL, don't insert the statement.
3826
3827 2005-10-30  Jan Hubicka  <jh@suse.cz>
3828
3829         PR tree-optimization/24172
3830         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3831
3832 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3833
3834         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3835         constants for hosts with long != 32 bits.
3836
3837 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3838
3839         PR middle-end/24093
3840         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3841
3842 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3843
3844         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3845         (TARGET_MS1_16_002): New.
3846         (TARGET_MS1_16_003): New.
3847
3848         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3849         ("*decrement_and_branch_until_zero_no_clobber"): New.
3850         Add corresponding splitter for decrement_and_branch_until_zero
3851         instruction.
3852         Key all decrement_and_branch_until_zero patterns off of
3853         TARGET_MS1_16_003.
3854
3855 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3856
3857         PR middle-end/24362
3858         * tree-complex.c (extract_component): Treat RESULT_DECL
3859         like the rest of the decls.
3860
3861 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3862
3863         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3864         indirect call to _mcount if the function needs a static chain.
3865
3866 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3867             Caroline Tice  <ctice@apple.com>
3868
3869         PR rtl-optimization/24460
3870         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3871         (dwarf2out_switch_text_section): Set it to true instead of
3872         incrementing separate_line_info_table_in_use.
3873         (output_loc_list): Additionally test have_switched_text_sections.
3874         (output_ranges): Likewise.
3875         (dwarf2out_finish): Likewise.
3876         * varasm.c (assemble_start_function): Do not call
3877         insert_section_boundary_note.
3878         (assemble_end_function): If flag_reorder_blocks_and_partition,
3879         switch to the function's section before emitting the .size directive.
3880         * bb-reorder.c (insert_section_boundary_note): Staticify.
3881         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3882         * output.h (insert_section_boundary_note): Delete.
3883
3884 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3885
3886         PR c/23103
3887         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3888         instead of pointer equality when comparing types.
3889
3890 2005-10-24  James E. Wilson  <wilson@specifix.com>
3891
3892         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3893         add_dependence_list_and_free calls.
3894
3895 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3896
3897         * contrib.texi: Add the names of the LLNL folks who donated
3898         Cray pointer support for gfortran.
3899
3900 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3901
3902         PR tree-optimization/24225
3903         * profile.c (branch_prob): Look from end to start through a
3904         basic block when looking for a locus.
3905
3906 2005-10-24  Richard Henderson  <rth@redhat.com>
3907
3908         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3909         parallel.
3910         (hppa_expand_prologue): Likewise.
3911
3912 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3913
3914         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3915         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3916         * pa.h (NO_PROFILE_COUNTERS): Define.
3917         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3918         (funcdef_nos): New vector to hold label numbers of deferred profile
3919         counters.
3920         (output_deferred_profile_counters): New function.
3921         (hppa_profile_hook): Push label number onto funcdef_nos.
3922         (pa_hpux_file_end): Call output_deferred_profile_counters if
3923         NO_DEFERRED_PROFILE_COUNTERS is false.
3924
3925         * pa-protos.h (get_deferred_plabel): New prototype.
3926         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3927         Make global.
3928         (output_call): Adjust calls.
3929
3930 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3931
3932         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3933         peculiarity of GOT/TOC section usage.
3934
3935 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3936
3937         PR objc/24435
3938          * c-common.c (constant_string_class_name): Add documentation.
3939
3940 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3941
3942         PR target/23832
3943         * recog.c (peephole2_optimize): Increment peep2_current_count
3944         only when the slot is empty.
3945
3946 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3947
3948         PR ada/23957
3949         * except.c (output_function_exception_table): Call
3950         assemble_external_libcall if we need a personality function.
3951
3952 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3953
3954         PR rtl-optimization/24460
3955         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3956         set the basic block for barriers.
3957
3958 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3959
3960         * var-tracking.c (vt_initialize): Initialize post.
3961
3962 2005-10-21  Devang Patel  <dpatel@apple.com>
3963
3964         PR/24220
3965         * c-common.c (vector_types_convertible_p): Check vector element type.
3966
3967 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3968
3969         * config/sh/sh.c (prepare_move_operands): Handle the address
3970         constant which is a tls symbolic address plus a constant.
3971
3972 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3973
3974         PR driver/24473
3975         * gcc.c (main): Use the correct counter for erroring out
3976         about mulitple files.
3977
3978 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3979
3980         PR target/24465
3981         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3982         use r2 for 64-bit tls .got access.
3983
3984 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3985
3986         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3987         TRUTH_OR_EXPR.
3988
3989 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3990
3991         PR tree-optimization/24307
3992         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3993
3994 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3995
3996         PR middle-end/24295
3997         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3998         alias targets.
3999         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4000         is ready, stop marking functions, but still mark variables.
4001
4002 2005-10-20  Richard Guenther  <rguenther@suse.de>
4003
4004         PR c++/24439
4005         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4006         void type operands.
4007
4008 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4009
4010         PR rtl-optimization/23585
4011         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4012         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4013         (may_trap_p_1): New predicate extracted from...
4014         (may_trap_p): ... here.  Invoke may_trap_p_1.
4015         (may_trap_or_fault_p): New predicate.
4016         * rtl.h (may_trap_or_fault_p): Declare it.
4017         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4018         instead of may_trap_p.
4019         (steal_delay_list_from_fallthrough): Likewise.
4020         (fill_simple_delay_slots): Likewise.
4021         (fill_slots_from_thread): Likewise.
4022         * function.c (pad_to_arg_alignment): Rework comment about
4023         SPARC_STACK_BOUNDARY_HACK.
4024         * config/sparc/sparc.h: Likewise.
4025
4026 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4027
4028         * config/s390/s390.c (s390_expand_insv): New.
4029         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4030         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4031         ("icm_hi"): Remove mode attribute.
4032         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4033         Adjust all uses.
4034         ("*extracthi", "*extractqi"): Remove.
4035         (extv<mode>", "*extzv<mode>"): New.
4036         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4037         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4038
4039 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4040
4041         * cfgexpand.c (discover_nonconstant_array_refs_r,
4042         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4043         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4044         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4045         discover_nonconstant_array_refs.
4046
4047 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4048
4049         PR c/23228
4050         * c-decl.c (pop_scope): Don't warn about an unused variable
4051         if it is marked with TREE_NO_WARNING.
4052         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4053         somenow mismatch and olddecl is to be replaced.
4054
4055 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4056
4057         PR middle-end/23199
4058         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4059         whether registers live on the edge can be saved/restored.
4060
4061 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4062
4063         * config/sh/sh.c (fixup_mova): Skip notes.
4064
4065 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4066
4067         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4068         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4069         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4070         (s390_initial_elimination_offset): Likewise.
4071         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4072         register on TARGET_ZARCH targets.
4073         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4074         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4075         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4076         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4077
4078 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4079
4080         * config/s390/s390.md: Comment describing output modifiers updated.
4081         * config/s390/s390.c (print_operand): Likewise.
4082
4083 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4084
4085         * config/s390/s390.c (override_options): Added check for -mstack-size
4086         64k limitation.
4087         * doc/invoke.texi: Mention that limit in the documenation.
4088
4089 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4090
4091         PR #19672
4092         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4093
4094 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4095
4096         Fix PR tree-optimization/24231
4097
4098         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4099         (compute_avail): Ditto.
4100
4101 2005-10-18  Richard Henderson  <rth@redhat.com>
4102
4103         PR target/24428
4104         * config/i386/i386.c (legitimate_constant_p): Check
4105         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4106         if LABEL_REF.
4107         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4108         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4109         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4110         directly.
4111         (print_operand_address): Likewise.
4112         * config/i386/predicates.md (x86_64_immediate_operand): Test
4113         SYMBOL_REF_TLS_MODEL properly inside CONST.
4114         (x86_64_zext_immediate_operand): Likewise.
4115         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4116         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4117         * config/i386/i386-protos.h: Remove predicates.md entries.
4118
4119 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4120
4121         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4122         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4123
4124 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4125             Ian Lance Taylor <ian@airs.com>
4126
4127         PR middle-end/23522
4128         * fold-const.c (fold_widened_comparison): Do not allow range based
4129         constant folding when right operand cannot be unwidened.
4130
4131 2005-10-17  Richard Henderson  <rth@redhat.com>
4132
4133         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4134         with a memory clobber.
4135
4136 2005-10-17  James E Wilson  <wilson@specifix.com>
4137
4138         PR rtl-optimization/17356
4139         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4140         checking for EDGE_EH.
4141
4142 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4143
4144         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4145         the slot on an even boundary for any type with 16-byte alignment.
4146
4147 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4148
4149         PR target/23424
4150         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4151         after register allocation.
4152
4153 2005-10-17  DJ Delorie  <dj@redhat.com>
4154
4155         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4156         as frame related.
4157
4158 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4159
4160         PR c++/22551
4161         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4162         overflow flags.
4163
4164 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4165
4166         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4167         to 2 if it's already non-zero.
4168         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4169         is set and warn about it if flag_schedule_insns is 1.
4170
4171 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4172
4173         * config/crx/crx.md: Compare-and-branch instructions need to
4174         invalidate CC.
4175
4176 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4177
4178         PR target/24315
4179         * config/i386/i386.md (*pushdi2_rex64 splitter)
4180         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4181         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4182         flow2 pass only when (optimize > 0 && flag_peephole2).
4183
4184 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4185
4186         PR driver/22544
4187         * gcc.c (have_c): New static variable.
4188         (have_o): Likewise.
4189         (process_command): Remove declation of have_c.
4190         Set have_o to 1 when handling -o.
4191         (main): Add a fatel error if there are multiple
4192         files specified and -o and -c/-S is passed witout
4193         -combine or multiple languages.
4194
4195 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4196
4197         Fix PR tree-optimization/22444
4198         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4199         Assert that we don't hit something with subvars.
4200         (setup_pointers_and_addressables): Don't add things with subvars,
4201         because we'll already process the subvars for aliasing purposes.
4202
4203 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4204
4205         PR target/23424
4206         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4207         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4208         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4209         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4210         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4211         swapped, alternatives for the R constraint.
4212
4213         PR middle-end/24341
4214         * builtins.c (get_builtin_sync_mode): Make unlimited
4215         mode_for_size request.
4216
4217 2005-10-15  Richard Henderson  <rth@redhat.com>
4218
4219         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4220         (gimplify_expr): ... here.
4221         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4222         fb_lvalue in base expression.
4223
4224 2005-10-15  Richard Henderson  <rth@redhat.com>
4225
4226         PR 23714
4227         * builtins.c (expand_builtin_trap): Export.
4228         * expr.h (expand_builtin_trap): Declare.
4229         * expr.c (expand_assignment): Emit a trap for integral offsets
4230         from registers that weren't reduced to bitpos.
4231
4232         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4233         (mark_array_ref_addressable): Remove.
4234         * tree-flow.h (mark_array_ref_addressable): Remove.
4235         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4236
4237 2005-10-15  James E Wilson  <wilson@specifix.com>
4238
4239         PR target/24232
4240         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4241         (add_dependence_list_and_free): Likewise.
4242         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4243         call.
4244
4245 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4246
4247         PR 23141
4248         PR 23142
4249         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4250         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4251         anti-range.
4252         (vrp_visit_phi_node): Only prevent infinite iterations when
4253         the previous result and the new result are both VR_RANGEs.
4254
4255 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4256
4257         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4258         function comment.
4259
4260 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4261
4262         PR c/23439
4263         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4264         to initialize loc.
4265
4266 2005-10-14  Per Bothner  <per@bothner.com>
4267
4268         PR preprocessor/21250
4269         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4270
4271 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4272
4273         PR c++/22551
4274         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4275         overflow flags.  Refactor some conditionals.
4276
4277 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4278
4279         PR tree-opt/21304
4280         * tree-dfa.c (add_referenced_var): Only look at decls which
4281         have TREE_CONSTANT or TREE_READONLY set instead of if
4282         !TREE_PUBLIC or !TREE_CONSTANT.
4283
4284 2005-10-13  James E Wilson  <wilson@specifix.com>
4285
4286         * doc/invoke.texi: For -x, add f95-cpp-input.
4287         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4288
4289 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4290
4291         PR tree-optimization/24262
4292         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4293         in loop all the time.
4294
4295 2005-10-12  Richard Henderson  <rth@redhat.com>
4296
4297         PR c/24255
4298         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4299         * function.c (assign_parm_find_data_types): Don't support it.
4300         * print-tree.c (print_node): Likewise.
4301         * c-common.c (handle_transparent_union_attribute): Likewise.
4302         Use build_duplicate_type.
4303         * tree-inline.c (remap_type_1): Split out of remap_type;
4304         properly remap aggregate fields.
4305         (build_duplicate_type): New.
4306         * doc/extend.texi (Variable Attributes): Remove documentation
4307         for transparent_union.
4308
4309 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4310
4311         PR target/24284
4312         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4313         (gen_stack_pointer_dec): Likewise.
4314
4315 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4316
4317         PR middle-end/21275
4318         PR middle-end/21766
4319         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4320         target hook.
4321         (struct cxx): Add adjust_class_at_definition target hook.
4322         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4323         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4324         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4325         hook_void_tree. Add to TARGET_CXX.
4326         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4327         dllimport_flag.
4328         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4329         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4330         instead of attribute. Check for dllexport override.  Warn if
4331         inconsistent dll linkage. Don't lose old dllimport if decl has
4332         had address referenced.   Tweak lookup of dllimport atribute.
4333         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4334         for target specific rules.  Don't add dllimport attribute if
4335         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4336         dllimport attribute.
4337         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4338         * varasm.c (initializer_constant_valid_p): Replace
4339         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4340
4341         PR target/21801
4342         PR target/23589
4343         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4344         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4345         (i[34567]86-*-mingw32*): Likewise.
4346
4347         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4348         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4349
4350         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4351         C++-specific code. Change return value to bool.
4352         (i386_pe_dllimport_p): Likewise.
4353         (associated_type): Simplify and make language-independent
4354         (i386_pe_encode_section_info): Replace override of ambiguous
4355         dllimport symbol refs with a gcc_assert.
4356         (i386_pe_valid_dllimport_attribute_p): Define.
4357         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4358         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4359         i386_pe_adjust_class_at_definition.
4360         * config/i386/winnt-stubs.c: New file. Define stub versions of
4361         lang-specific functions.
4362         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4363         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4364         i386_pe_adjust_class_at_definition.
4365         (i386_pe_valid_dllimport_attribute_p): Declare.
4366         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4367         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4368         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4369
4370         PR target/19704
4371         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4372         dllimport attribute with test of DECL_DLLIMPORT_P.
4373
4374 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4375
4376         * combine.c (make_extraction): Correct offset computation.
4377
4378 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4379
4380         * config/cris/t-linux (LIMITS_H_TEST): Define.
4381
4382 2005-10-12  Richard Henderson  <rth@redhat.com>
4383
4384         PR rtl-opt/23324
4385         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4386
4387 2005-10-12  Richard Guenther  <rguenther@suse.de>
4388
4389         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4390
4391 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4392
4393         PR c++/19964
4394         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4395         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4396         type.
4397
4398 2005-10-12  Richard Guenther  <rguenther@suse.de>
4399
4400         PR c++/23799
4401         * varasm.c (output_constant): Correct typo from previous
4402         patch by DJ.
4403
4404 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4405
4406         PR rtl-optimization/13931
4407         * combine.c: Revert patch of 2003-05-14, and:
4408         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4409         completely killed in the appropriate insn.
4410         (distribute_notes): Don't skip multiple hard register test for
4411         elim_i1 and elim_i2.
4412
4413 2005-10-11  Richard Henderson  <rth@redhat.com>
4414
4415         PR c/24255
4416         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4417         to initialize a transparent union instead of a nop_expr.
4418
4419 2005-10-11  Richard Henderson  <rth@redhat.com>
4420
4421         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4422         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4423         (tree_ssa_dce_loop): Call scev_reset.
4424
4425         PR tree-opt/24300
4426         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4427         * tree-ssa-dce.c: Include cfgloop.h.
4428         (tree_ssa_dce_loop, pass_dce_loop): New.
4429         * tree-pass.h (pass_dce_loop): Declare it.
4430         * passes.c (init_optimization_passes): Use it.
4431
4432 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4433
4434         PR middle-end/24263
4435         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4436         Only apply the optimization for rounding builtins if the inner
4437         cast is also an extension.
4438
4439 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4440
4441         PR tree-opt/23946
4442         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4443         mark_new_vars_to_rename instead of update_stmt.
4444
4445 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4446
4447         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4448
4449 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4450
4451         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4452         for setting MMX register to 0 rather than mmx.
4453
4454 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4455
4456         PR target/12098
4457         * configure.ac: Move gas check from mips specific case to common case.
4458         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4459         * configure: Regenerate
4460         * doc/install.texi: Update.
4461
4462 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4463
4464         PR target/24284
4465         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4466
4467 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4468
4469         * gcc.c (do_spec_1): Accept numeric characters in file name
4470         suffixes.
4471
4472 2005-10-10  Nick Clifton  <nickc@redhat.com>
4473
4474         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4475         describing the deleted arm_gen_rotated_half_load function.
4476
4477 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4478
4479         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4480         __fpscr_values.
4481
4482 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4483
4484         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4485         gnu_ld assignments.
4486         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4487         (EXTRA_MULTILIB_PARTS): Define.
4488         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4489         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4490         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4491         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4492         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4493         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4494
4495 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4496
4497         PR tree-optimization/24226
4498         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4499         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4500         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4501         Export.
4502
4503 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4504
4505         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4506
4507 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4508
4509         PR target/24136
4510         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4511         Rewrite for no need for the early clobber.
4512
4513 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4514
4515         Merge from csl-arm-branch:
4516         2005-09-07  Paul Brook  <paul@codesourcery.com>
4517         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4518         space to string.
4519
4520         2005-04-30  Paul Brook  <paul@codesourcery.com>
4521         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4522         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4523
4524         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4525         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4526         (arm_override_options): Use TARGET_AAPCS_BASED.
4527         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4528         (PTRDIFF_TYPE): Use int for AAPCS.
4529         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4530         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4531         (DEFAULT_SHORT_ENUMS): Delete.
4532         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4533
4534         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4535         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4536         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4537         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4538
4539         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4540         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4541
4542         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4543         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4544
4545         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4546         * config.gcc (arm*-*-linux-gnueabi): Add it.
4547         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4548         redefining it.
4549         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4550         * config/arm/linux-eabi.h: New file.
4551         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4552         (LINUX_TARET_LINK_SPEC): Likewise.
4553         (LINK_SPEC): Use it.
4554         * config/arm/t-linux-eabi: New file.
4555
4556 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4557
4558         PR other/22202
4559         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4560         spaces.
4561         (PARAM_SMS_DFA_HISTORY): Likewise.
4562
4563 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4564
4565         PR middle-end/23150
4566         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4567         (load_register_parameters): Call it.
4568         (check_sibcall_argument_overlap_1): Likewise.
4569         (store_one_arg): Likewise.
4570
4571 2005-10-07  James E. Wilson  <wilson@specifix.com>
4572
4573         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4574         DImode not VECINT24 for operand 2.
4575
4576         PR target/23644
4577         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4578         -mtune-arch.
4579
4580         PR target/24193
4581         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4582         fr_spill): Use destination_operand for operand 0.
4583
4584 2005-10-07  DJ Delorie  <dj@redhat.com>
4585
4586         * varasm.c (output_constant): Limit error to expanding
4587         conversions.
4588
4589 2005-10-07  Richard Guenther  <rguenther@suse.de>
4590
4591         PR middle-end/24227
4592         * fold-const.c (fold_binary): Fix operand types during folding
4593         of X op (A, Y).  Evaluation order of the side-effects of
4594         X and A are frontend-defined, so ensure we honour that even for
4595         tcc_comparison class operands; eased by removing duplicate code.
4596
4597 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4598
4599         * stor-layout.c (layout_type): Do not allow alignment of array
4600         elements to be greater than their size.
4601
4602 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4603
4604         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4605         host_xmake_file.
4606         (hppa*-*-linux*): Ditto.
4607         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4608         * config/host-hpux.c: New.
4609         * config/x-hpux: New.
4610         * config/pa/x-hpux: Remove.
4611         * config/pa/x-linux: Remove.
4612         * config/pa/pa-host.c: Remove.
4613
4614 2005-10-07  Jeff Law  <law@redhat.com>
4615
4616         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4617         determine whether or not to try and thread outgoing edges.
4618
4619 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4620
4621         * config/rs6000/rs6000.md (eqsi_power): New.
4622         (neg_eq0si): Add TARGET_POWER to final condition.
4623         (neg_eqsi): Same.
4624
4625 2005-10-06  Richard Henderson  <rth@redhat.com>
4626
4627         * config/rs6000/rs6000.c: Revert last change.
4628
4629 2005-10-06  Richard Henderson  <rth@redhat.com>
4630
4631         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4632         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4633
4634 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4635
4636         PR middle-end/22216
4637         PR middle-end/23651
4638         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4639         out return_label and naked_return_label.
4640
4641 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4642
4643         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4644         change.
4645
4646 2005-10-06  Richard Henderson  <rth@redhat.com>
4647
4648         PR tree-opt/22237
4649         * tree-inline.c (declare_return_variable): Handle modify_dest not
4650         being a DECL.
4651
4652 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4653
4654         Fix PR tree-optimization/22488
4655         * tree-ssa-structalias.c (check_for_overlaps): New function.
4656         (create_variable_info_for): Use it.
4657
4658 2005-10-06  Richard Henderson  <rth@redhat.com>
4659
4660         PR debug/24070
4661         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4662         (dwarf2out_start_source_file): Print it.
4663
4664 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4665
4666         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4667
4668 2005-10-06  Richard Henderson  <rth@redhat.com>
4669
4670         PR 23706
4671         * mode-switching.c (optimize_mode_switching): Clear transp bit
4672         for block with incomming abnormal edges.
4673
4674         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4675         (fpscr_set_from_mem): Use them.
4676         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4677         (fpscr postinc splitters): Rewrite as peephole2+split.
4678
4679 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4680
4681         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4682         (eq<mode>_compare): Same.
4683
4684 2005-10-06  Richard Guenther  <rguenther@suse.de>
4685
4686         PR tree-optimization/24238
4687         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4688
4689 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4690
4691         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4692         here.  Use AC_PATH_PROG for environment variables instead of
4693         test -x.
4694         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4695         objdump also.
4696         * configure: Regenerated.
4697
4698 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4699
4700         PR target/23783
4701         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4702         then force it into a register.
4703         (call_value): Likewise.
4704
4705 2005-10-06  Richard Henderson  <rth@redhat.com>
4706
4707         PR 24049
4708         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4709         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4710         under pass_vectorize.
4711
4712 2005-10-05  Devang Patel  <dpatel@apple.com>
4713
4714         PR Debug/23205
4715         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4716         handling constants. Check NAMESPACE_DECL context for constants.
4717
4718 2005-10-05  Eric Christopher  <echristo@apple.com>
4719
4720         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4721
4722 2005-10-05  Richard Henderson  <rth@redhat.com>
4723
4724         PR 23714
4725         * tree-cfg.c (mark_array_ref_addressable_1): New.
4726         (mark_array_ref_addressable): New.
4727         * tree-flow.h (mark_array_ref_addressable): Declare.
4728         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4729
4730 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4731
4732         PR middle-end/20606
4733         PR middle-end/24069
4734         * reload.c (subst_reloads): When adding a REG_LABEL to a
4735         jump instruction, also update JUMP_LABEL.
4736
4737 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4738
4739         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4740         * bb-reorder.c (copy_bb_p): Use it.
4741         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4742
4743 2005-10-05  Richard Henderson  <rth@redhat.com>
4744
4745         PR target/23602
4746         * toplev.c (process_options): Warn about unsupported combinations
4747         of unwind tables and omit-frame-pointer.
4748         * config/i386/i386.c (override_options): Similarly.  Enable
4749         accumulate-outgoing-args if not explicitly disabled.
4750
4751 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4752
4753         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4754         Handle big endian vs. small endian.
4755         (vec_initv2sf): Handle big endian vs. small endian.
4756         (*vec_extractv2sf_1): Ditto.
4757
4758 2005-10-05  Dale Johannesen  <dalej@apple.com>
4759
4760         * convert.c (convert_to_real):  Don't convert
4761         (float)floor(double d) to floorf((float)d).
4762
4763 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4764
4765         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4766
4767 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4768
4769         PR tree-optimization/18587
4770         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4771         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4772         build_vuses): Change to VEC type.
4773         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4774         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4775         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4776         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4777         (get_name_decl): New.  Return DECL_UID of base variable.
4778         (operand_build_cmp): New.  qsort comparison routine.
4779         (operand_build_sort_virtual): New.  Sort virtual build vector.
4780         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4781         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4782         (FINALIZE_BASE): Use get_name_decl.
4783         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4784         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4785         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4786         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4787         direct VEC_* manipulations.
4788         (build_ssa_operands): Call operand_build_sort_virtual.
4789         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4790         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4791         with direct VEC_* manipulations.
4792         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4793         with direct VEC manipulations.
4794
4795 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4796
4797         PR tree-optimization/21419
4798         PR tree-optimization/24146
4799         PR tree-optimization/24151
4800
4801         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4802         (build_asm_expr): Call it if outputs are read-only.
4803         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4804
4805 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4806             Paolo Bonzini  <bonzini@gnu.org>
4807
4808         PR target/23809
4809
4810         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4811         enable the instructions and not just the built-ins.
4812         * doc/invoke.texi (x86 Options): Likewise.
4813
4814 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4815
4816         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4817
4818         * doc/invoke.texi (Option Summary): Correct spelling
4819         of -mmacosx-version-min.
4820
4821 2005-10-04  Devang Patel  <dpatel@apple.com>
4822
4823         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4824         real types.
4825
4826 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4827
4828         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4829         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4830
4831 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4832
4833         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4834         ("TE","tg"): New mode attributes.
4835         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4836         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4837         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4838         dword_mode and one for GPRmode.
4839
4840 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4841
4842         PR preprocessor/13726
4843         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4844         any comments passed in.
4845
4846 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4847
4848         * tree.c (annotate_with_file_line): Fix typo.
4849
4850 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4851
4852         PR ada/19382
4853         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4854         type used to access data in the inlined length == 1 case, use
4855         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4856         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4857
4858 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4859
4860         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4861         TARGET_SSE3 and only for TARGET_80387.
4862         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4863         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4864         Do not depend on TARGET_80387.
4865
4866 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4867
4868         * tree.c (last_annotated_node): Change type to location_t*.
4869         (annotate_with_file_line): Reflect the change of
4870         last_annotated_node type.
4871
4872 2005-10-04  Richard Guenther  <rguenther@suse.de>
4873
4874         PR c/23576
4875         * c-decl.c (grokdeclarator): Don't write to fields
4876         of error_mark_node.
4877
4878 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4879
4880         PR middle-end/23125
4881         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4882         register variables.
4883         * varasm.c (make_decl_rtl): If a register variable does not
4884         have a set user assmbler name, error out.
4885         Decode the asmspec is now name+1 bypassing '*'.
4886
4887 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4888
4889         PR tree-optimization/23049
4890         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4891         of a COND_EXPR is folded before calling fold on the whole rhs of a
4892         conditional assignment.
4893         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4894         document that a COND_EXPR may appear there.
4895
4896 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4897
4898         PR 23445
4899         * tree-vrp.c (extract_range_from_assert): If the new numeric
4900         range created out of the assertion contradicts the existing
4901         numeric range of the ASSERT_EXPR variable, make the new range
4902         varying.
4903
4904 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4905
4906         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4907         from T_REGS to FP register class.
4908
4909 2005-10-03  Richard Henderson  <rth@redhat.com>
4910
4911         PR 24135
4912         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4913         before creating a new one.
4914
4915 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4916
4917         * config/rs6000/t-aix43 (LDFLAGS): New.
4918         * config/rs6000/t-aix52 (LDFLAGS): New.
4919
4920 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4921
4922         * gimplify.c (find_single_pointer_decl_1): New static function.
4923         (find_single_pointer_decl): New static function.
4924         (internal_get_tmp_var): For a formal variable, set restrict base
4925         information if appropriate.
4926         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4927         return it.
4928         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4929         (DECL_GET_RESTRICT_BASE): Define.
4930         (SET_DECL_RESTRICT_BASE): Define.
4931         (decl_restrict_base_lookup): Declare.
4932         (decl_restrict_base_insert): Declare.
4933         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4934         * tree.c (restrict_base_for_decl): New static variable.
4935         (init_ttree): Initialize restrict_base_for_decl.
4936         (copy_node_stat): Copy restrict base information.
4937         (decl_restrict_base_lookup): New function.
4938         (decl_restrict_base_insert): New function.
4939         (print_restrict_base_statistics): New static function.
4940         (dump_tree_statistics): Call print_restrict_base_statistics.
4941
4942 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4943
4944         PR 24142
4945         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4946         case of anti-ranges.
4947
4948 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4949
4950         PR c/18851
4951         * c-typeck.c (tagged_tu_seen): Rename to ...
4952         (tagged_tu_seen_cache): this and add val field.
4953         (comptypes): Move functional to comptypes_internal
4954         and free tagged_tu_seen.
4955         (comptypes_internal): New function and call comptypes_internal
4956         instead of comptypes. Speed up by sibcalling
4957         tagged_types_tu_compatible_p.
4958         (alloc_tagged_tu_seen): New function
4959         (free_all_tagged_tu_seen_up_to): New function.
4960         (tagged_types_tu_compatible_p): Return the val of the seen two
4961         types.
4962         Add that the two types are the same to tagged_tu_seen_base
4963         if they are and call comptypes_internal instead of comptypes.
4964         <case UNION_TYPE>: Speed up common type where the fields are
4965         in the same order.
4966         (function_types_compatible_p): Call comptypes_internal instead of
4967         comptypes.
4968         (type_lists_compatible_p): Likewise.
4969         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4970
4971 2005-10-02  Matthias Klose  <doko@debian.org>
4972
4973         * doc/invoke.texi: Fix typo and speling error.
4974
4975 2005-10-01  Richard Henderson  <rth@redhat.com>
4976
4977         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4978
4979 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4980
4981         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4982         using --start-group and --end-group.
4983
4984 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4985
4986         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4987         FIXME note regarding quirky semantics.
4988
4989 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4990
4991         PR 24141
4992         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4993         non-null range as a last resort.
4994
4995 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4996             Diego Novillo  <dnovillo@redhat.com>
4997
4998         PR 23604
4999         * tree-vrp.c (extract_range_from_assert): For !=
5000         assertions, only build an anti-range if LIMIT is a
5001         single-valued range.
5002
5003 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5004
5005         * arm.md (movqi): On thumb when optimizing, handle loading from
5006         memory by describing this as taking a subreg of a zero-extended load
5007         into an SImode register.
5008         (movhi): Likewise.
5009
5010 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5011
5012         * reload1.c (merge_assigned_reloads): Do not change any
5013         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5014
5015 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5016
5017         * Makefile.in (LIPO_FOR_TARGET): Define.
5018         (STRIP_FOR_TARGET): Define.
5019
5020         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5021         before creating new ones.  Do symlinks before creating the actual
5022         targets.
5023
5024         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5025         to work out which multilibs are actually being built.
5026
5027 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5028
5029         * tree-vect-transform.c, config/ms1/ms1.md,
5030         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5031         Follow spelling conventions.
5032         * doc/invoke.texi, doc/md.texi: Fix typos.
5033
5034 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5035
5036         PR tree-optimization/21430
5037         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5038         use operands, and set stmt pointer if need be.
5039         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5040         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5041         present.
5042
5043 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5044
5045         PR middle-end/24053
5046         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5047
5048 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5049
5050         * optabs.c (expand_binop): Initialize first_pass_p.
5051
5052 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5053
5054         PR middle-end/24109
5055         * c-decl.c (c_write_global_declarations_1): If any
5056         wrapup_global_declaration_2 call returned true, restart the loop.
5057
5058 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5059
5060         Fix PR tree-optimization/24117
5061         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5062         before considering whether to use anyoffset.
5063
5064 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5065
5066         Revert this patch:
5067
5068         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5069
5070         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5071         to order operands.
5072         (swap_commutative_operands_with_target): New.
5073
5074 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5075
5076         PR c/21419
5077         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5078         read-only.
5079
5080 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5081
5082         PR tree-optimization/23911
5083         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5084         and IMAGPART_EXPR too.
5085
5086 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5087
5088         PR 17886
5089         * expmed.c (expand_shift): Move logic to reverse rotation
5090         direction when  rotating by constants ...
5091         * optabs.c (expand_binop): ... here.
5092         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5093         (ix86_rotrdi3): New pattern.
5094         (rotldi3): Handle 32-bit mode.
5095         (ix86_rotldi3): New pattern.
5096
5097 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5098
5099         PR target/24102
5100         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5101         check for numbers that need no bit twiddle.
5102
5103 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5104
5105         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5106         multilib to be built.
5107
5108         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5109         (stage1-start): Delete old libgcc and libunwind before moving
5110         anything into the stage directory.
5111         (stage2-start): Likewise.
5112         (stage3-start): Likewise.
5113         (stage4-start): Likewise.
5114         (stageprofile-start): Likewise.
5115         (stagefeedback-start): Likewise.
5116         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5117         header in tm_file and CPU-specific t-darwin in tmake_file.
5118         (i[34567]86-*-darwin*): Don't change tm_file.
5119         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5120         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5121         shared library stub for target OS version.
5122         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5123         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5124         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5125         (libgcc_s.%.dylib): New.
5126         (LIBGCC): Define.
5127         (install-darwin-libgcc-stubs): New.
5128         (INSTALL_LIBGCC): New append.
5129         * config/i386/darwin-libgcc.10.4.ver: New.
5130         * config/i386/darwin-libgcc.10.5.ver: New.
5131         * config/i386/t-darwin: New.
5132         * config/rs6000/darwin-libgcc.10.4.ver: New.
5133         * config/rs6000/darwin-libgcc.10.5.ver: New.
5134         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5135         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5136
5137 2005-09-28  Paul Brook  <paul@codesourcery.com>
5138
5139         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5140         denormals.
5141
5142 2005-09-28  Richard Guenther  <rguenther@suse.de>
5143
5144         PR tree-optimization/23853
5145         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5146         host_integerp to verify misalignment value.
5147
5148 2005-09-28  Richard Henderson  <rth@redhat.com>
5149
5150         * builtins.c (get_builtin_sync_mode): New.
5151         (expand_builtin_sync_operation): Pass in mode argument.
5152         (expand_builtin_compare_and_swap): Likewise.
5153         (expand_builtin_lock_test_and_set): Likewise.
5154         (expand_builtin_lock_release): Likewise.
5155         (expand_builtin): Update to match.
5156
5157 2005-09-28  Nick Clifton  <nickc@redhat.com>
5158
5159         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5160         formatting.  Add check to PLUS case to ensure that the offset is
5161         within an acceptable range.
5162
5163         * config/v850/v850.md (casesi): Disable the generation of the
5164         switch pattern as it is not being handled properly at the moment.
5165
5166         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5167         for when the high words are identical.
5168
5169 2005-09-27  Richard Henderson  <rth@redhat.com>
5170
5171         * pretty-print.c (pp_base_format): Fix typo for %>.
5172
5173 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5174             Devang Patel  <dpatel@apple.com>
5175
5176         PR tree-optimization/23625
5177         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5178         LABEL_EXPR, assertion check.
5179
5180 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5181
5182         * optabs.c (no_conflict_move_test): Check if a result of a
5183         to-be-moved insn would be clobbered by an originally
5184         preceding insn.
5185
5186 2005-09-27  Jeff Law  <law@redhat.com>
5187
5188         * passes.c (init_optimization_passes): Replace copy propagation
5189         passes immediately after DOM with phi-only copy propagation
5190         pases.  Add phi-only copy propagation pass after first DOM pass.
5191         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5192         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5193         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5194         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5195         to init_copy_prop.  Callers updated.
5196         (do_phi_only_copy_prop): New function.
5197         (pass_phi_only_copy_prop): New pass descriptor.
5198
5199 2005-09-27  Nick Clifton  <nickc@redhat.com>
5200
5201         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5202
5203 2005-09-26  Jason Merrill  <jason@redhat.com>
5204
5205         PR c++/13764
5206         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5207
5208         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5209
5210 2005-09-26  James E Wilson  <wilson@specifix.com>
5211
5212         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5213         copyright.  Add gcc copyright plus libgcc exception.
5214         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5215         copyright.
5216         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5217
5218 2005-09-26  Jeff Law  <law@redhat.com>
5219
5220         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5221         about when to iterate.
5222
5223 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5224
5225         PR target/23847
5226         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5227         for __complex__ double in -mcpu=G5 mode.
5228
5229 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5230
5231         PR tree-optimization/23942
5232         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5233         * tree-scalar-evolution.c: Include params.h.
5234         (t_bool): New enum.
5235         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5236         follow_ssa_edge_in_condition_phi_branch,
5237         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5238         Change return type to t_bool.  Use a parameter to limit the size of
5239         trees that are walked before stopping
5240         (analyze_evolution_in_loop): Initialize the limit to 0.
5241         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5242         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5243
5244 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5245
5246         PR middle-end/23831
5247         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5248         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5249
5250 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5251
5252         * combine.c (make_extraction): Check for valid use of subreg.
5253
5254 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5255
5256         PR target/24055
5257         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5258         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5259         ("fist<mode>2_with_temp"): Use only register operands.
5260
5261 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5262
5263         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5264         CALL_INSN_FUNCTION_USAGE.
5265
5266 2005-09-26  Richard Guenther  <rguenther@suse.de>
5267
5268         PR middle-end/15855
5269         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5270         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5271         (ldst_entry): Use the hashtable instead of list-walking.
5272         (find_rtx_in_ldst): Likewise.
5273         (free_ldst_entry): Free the hashtable.
5274         (compute_ld_motion_mems): Create the hashtable.
5275         (trim_ld_motion_mems): Remove entry from hashtable if
5276         removing it from list.
5277         (compute_store_table): Likewise^2.
5278         (store_motion): Free hashtable in case we did not see
5279         any stores.
5280
5281 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5282
5283         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5284         and arg1 if we are passing them to fold_build2.
5285
5286 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5287
5288         PR 23828
5289         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5290         a nested function.
5291
5292 2005-09-25  Richard Henderson  <rth@redhat.com>
5293
5294         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5295         SYMBOL_REF_TLS_MODEL to be correct.
5296
5297 2005-09-24  Richard Henderson  <rth@redhat.com>
5298
5299         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5300         end of function.  Reindent.
5301
5302 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5303
5304         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5305         NEGATE_EXPR/BIT_NOT_EXPR case.
5306
5307 2005-09-24  Richard Henderson  <rth@redhat.com>
5308
5309         * c-common.c (handle_mode_attribute): When not modifying in place,
5310         create subtypes for enumerations.
5311         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5312         * gimplify.c (create_tmp_from_val): Likewise.
5313
5314 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5315
5316         * config/i386/i386.md (*tls_global_dynamic_64,
5317         *tls_local_dynamic_base_64): Add missing mode to call.
5318         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5319
5320 2005-09-24  Jan Hubicka  <jh@suse.cz>
5321
5322         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5323         (cgraph_clone_node): Likewise.
5324         * cgraph.h (cgraph_clone_edge): Update prototype.
5325         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5326         duplicated prototypes; add updating argument.
5327         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5328         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5329         updating profile.
5330         (cgraph_mark_inline_edge): Likewise.
5331         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5332         (cgraph_flatten_node): Likewise.
5333         (cgraph_decide_recursive_inlining): Likewise.
5334         (cgraph_decide_inlining_of_small_function): Likewise.
5335         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5336
5337 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5338             Pete Steinmetz <steinmtz@us.ibm.com>
5339
5340         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5341         (rldic.): Set type to "compare".
5342         (rldicr.): Same.
5343         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5344         mfjmpr for MFCTR/MFLR.
5345         (movdf_hardfloat64): Same.
5346         (movdf_softfloat64): Same.  Correct order of store and move types.
5347         (movti_string): Set type to store_ux/load_ux.
5348         (load_multiple): Set type to load_ux.
5349         (store_multiple): Set type to store_ux.
5350         (movmemsi): Set type to store_ux.
5351         (output_cbranch direct_return): Set type to jmpreg.
5352         (stmw): Set type to store_ux.
5353         (lmw): Set type to load_ux.
5354         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5355         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5356         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5357         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5358         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5359         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5360         (rios1-fpstore): Increase latency to 3.
5361         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5362         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5363
5364 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5365             Andrew Pinski  <pinskia@physics.uc.edu>
5366
5367         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5368         operand2 constraint to "b".
5369         (sync_<fetchop_name>di_internal): Same.
5370         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5371         to "b".
5372         (sync_old_<fetchop_name>di_internal): Same.
5373         (sync_new_<fetchop_name>si_internal): Same.
5374         (sync_new_<fetchop_name>di_internal): Same.
5375
5376 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5377
5378         PR middle-end/23991
5379         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5380         case, define as macros.
5381
5382         PR rtl-optimization/23837
5383         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5384         clobber / clobber match between dest and p->first.
5385
5386         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5387         (no_conflict_move_test): Update comments.
5388
5389 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5390
5391         * doc/install.texi: Update URL for Jacks.
5392         * doc/sourcebuild.texi: Likewise.
5393
5394 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5395
5396         PR target/24007
5397         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5398         registers when choosing register preferences.
5399         (movdf_hardfloat64): Same.
5400
5401 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5402
5403         * expmed.c (expand_shift): Don't use the target of the rotate as
5404         target for the first expanded shift insn.
5405         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5406
5407 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5408
5409         PR tree-optimization/22438
5410         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5411         preserved iv rhs rewriting specially.
5412
5413 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5414
5415         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5416         estimate_only  is true.
5417         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5418         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5419         tree-ssa-structalias.c
5420         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5421         ref_contains_indirect_ref.
5422         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5423
5424 2005-09-21  DJ Delorie  <dj@redhat.com>
5425
5426         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5427         MASK_PTR_A0D0.
5428         (mn10300_return_in_memory): Support variable size types also.
5429         (mn10300_pass_by_reference): Likewise.
5430         (mn10300_function_value): New.
5431         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5432         (FUNCTION_OUTGOING_VALUE): Likewise.
5433         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5434         * doc/invoke.texi: Document it.
5435
5436 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5437
5438         PR target/22585
5439         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5440         force integer op1 into register for XFmode compares.
5441
5442 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5443
5444         PR middle-end/23971
5445         * expmed.c (alg_code): Add alg_impossible.
5446         (alg_hash_entry): Add cost.
5447         (synth_mult): Record alg_impossible in the hash table if
5448         multiplication by a given integer is impossble within the
5449         limit.  Speed up using alg_impossible.
5450
5451 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5452
5453         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5454         argument.  Allow and set any offset if needs_anyoffset is passed
5455         in.
5456         (get_constraint_for): Add argument here too.
5457         Pass it down.
5458         (do_structure_copy): Pass NULL to get_constraint_for.
5459         (handle_ptr_arith): Ditto.
5460         (find_func_aliases): Ditto.
5461
5462 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5463
5464         PR rtl-optimization/23898
5465         * output.h (get_attr_min_length): Declare.
5466         * final.c (get_attr_length_1): New function, broken out of:
5467         (get_attr_length).
5468         (get_attr_min_length): New function.
5469         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5470         (duplicate_computed_gotos): Likewise.
5471         * genattr.c (insn_min_length): Generate declaration.
5472         * genattrtab.c (min_fn, min_attr_value): New functions.
5473         (make_length_attrs): Generate insn_min_length.
5474
5475 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5476
5477         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5478
5479 2005-09-20  Richard Henderson  <rth@redhat.com>
5480
5481         PR tree-optimization/24059
5482         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5483         EXPAND_STACK_PARM.
5484
5485 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5486
5487         * c.opt (fextended-identifiers): New.
5488         * c-opts.c (c_common_handle_option): Handle
5489         -fextended-identifiers.
5490         * doc/cpp.texi: Update documentation of extended identifiers.
5491         * doc/cppopts.texi (-fextended-identifiers): Document.
5492
5493 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5494
5495         PR tree-optimization/23929
5496         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5497         if expr is NULL.
5498
5499         PR tree-optimization/23818
5500         * tree-stdarg.c (execute_optimize_stdarg): Call
5501         calculate_dominance_info.
5502
5503 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5504
5505         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5506         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5507         (compute_overlap_steps_for_affine_1_2): Use
5508         get_number_of_iters_for_loop.
5509         (analyze_subscript_affine_affine): Check whether difference is
5510         zero first.
5511         Use get_number_of_iters_for_loop.
5512         Check whether overlap occurs outside of bounds.
5513         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5514
5515 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5516
5517         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5518         base register if possible.
5519
5520 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5521
5522         PR tree-optimization/18463
5523         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5524         converting it directly is not possible.
5525         (chrec_convert_aggressive): New function.
5526         * tree-chrec.h (chrec_convert_aggressive): Declare.
5527         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5528         Fold chrec conversions aggressively if asked to.
5529         (instantiate_parameters): Modified because of changes in
5530         instantiate_parameters_1.
5531
5532 2005-09-19  Richard Henderson  <rth@redhat.com>
5533
5534         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5535         (reduc_splus_v2df): New.
5536
5537 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5538
5539         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5540         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5541
5542 2005-09-19  Richard Henderson  <rth@redhat.com>
5543
5544         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5545         vcondu<SSEMODE12>.
5546
5547 2005-09-19  Richard Henderson  <rth@redhat.com>
5548
5549         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5550         (ia64_expand_dot_prod_v8qi): New.
5551         * config/ia64/ia64-protos.h: Update.
5552         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5553         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5554         sdot_prodv8qi, sdot_prodv4hi): New.
5555         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5556
5557 2005-09-19  Richard Henderson  <rth@redhat.com>
5558
5559         PR 23941
5560         * real.c (exact_real_truncate): Return false if the format cannot
5561         represent the number as a normal.
5562
5563         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5564         for a memory source.
5565
5566 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5567
5568         * tree-ssa-operands.c (swap_tree_operands): Export.
5569         * tree.h (swap_tree_operands): Declare.
5570         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5571         Call swap_tree_operands.
5572
5573 2005-09-19  Richard Henderson  <rth@redhat.com>
5574
5575         * tree-flow.h (merge_alias_info): Declare.
5576         * tree-ssa-copy.c (merge_alias_info): Export.
5577         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5578         (vect_create_data_ref_ptr): Use create_iv directly.
5579         (vectorizable_load): Use correct types for integer constants.
5580         (vect_generate_tmps_on_preheader): Likewise.
5581         (vect_gen_niters_for_prolog_loop): Likewise.
5582
5583 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5584
5585         PR rtl-optimization/23943
5586         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5587
5588 2005-09-18  Jan Hubicka  <jh@suse.cz>
5589
5590         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5591
5592 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5593
5594         * varasm.c (output_constant): Do not abort on conversions to union
5595         types between different sizes.
5596
5597 2005-09-18  Richard Guenther  <rguenther@suse.de>
5598
5599         PR middle-end/23944
5600         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5601         fallback.
5602
5603 2005-09-18  Paul Brook  <paul@codesourcery.com>
5604
5605         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5606
5607 2005-09-17  Richard Henderson  <rth@redhat.com>
5608
5609         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5610         * tree-ssa-loop.c (pass_vect_dce): Remove.
5611         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5612         of pass_vectorize.
5613
5614 2005-09-17  Richard Henderson  <rth@redhat.com>
5615
5616         * tree-pass.h (pass_vect_dce): Declare.
5617         * passes.c (init_optimization_passes): Add it.
5618         * tree-flow.h (tree_ssa_dce): Declare.
5619         * tree-ssa-dce.c (tree_ssa_dce): Export.
5620         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5621         (gate_tree_vectorize): ... here.
5622         (pass_vect_dce): New.
5623
5624 2005-09-17  Jan Hubicka  <jh@suse.cz>
5625
5626         * except.c (struct eh_status): Turn region_array into vec.
5627         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5628         convert_from_eh_region_ranges, find_exception_handler_labels,
5629         current_function_has_exception_handlers, assign_filter_values,
5630         build_post_landing_pads, dw2_build_landing_pads,
5631         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5632         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5633         foreach_reachable_handler, can_throw_internal_1,
5634         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5635         region_array.
5636         (duplicate_eh_region_1): Update region_array.
5637         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5638
5639 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5640
5641         PR middle-end/22067
5642         * expmed.c (expand_mult): Substitute simple register for op0 when
5643         computing max_cost.
5644
5645 2005-09-17  Richard Henderson  <rth@redhat.com>
5646
5647         * expr.c (emit_move_via_integer): Add force argument, pass it on
5648         to emit_move_change_mode.  Update callers.
5649         (emit_move_complex): Pass true to new force argument.
5650         * function.c (expand_function_end): Move expand_eh_return call
5651         earlier.  Merge sub-word complex values into a pseudo before
5652         copying to the return hard register.
5653
5654 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5655
5656         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5657         between different sizes.
5658
5659 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5660
5661         PR 23903
5662
5663         * passes.c (init_optimization_passes): Register dump files for
5664         IPA passes first.
5665
5666 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5667
5668         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5669         * config/s390/s390.c (s390_overlap_p): New function.
5670         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5671         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5672         condition.
5673
5674 2005-09-16  Richard Guenther  <rguenther@suse.de>
5675
5676         * ipa-pure-const.c (static_execute): Free auxiliar information.
5677         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5678         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5679
5680 2005-09-15  DJ Delorie  <dj@redhat.com>
5681
5682         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5683
5684 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5685
5686         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5687         to order operands.
5688         (swap_commutative_operands_with_target): New.
5689
5690 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5691
5692         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5693         parameter.
5694         Update callers.
5695         (estimate_iters_using_array): New function.
5696         * tree-data-ref.h (estimate_iters_using_array): Prototype
5697         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5698         Use estimate_iters_using_array instead of analyze_array.
5699
5700 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5701
5702         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5703         as addressable.
5704
5705 2005-09-15  Michael Matz  <matz@suse.de>
5706
5707         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5708
5709 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5710
5711         PR tree-optimization/23835
5712         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5713         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5714
5715 2005-09-14  Richard Henderson  <rth@redhat.com>
5716
5717         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5718         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5719
5720 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5721
5722         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5723         in the ARRAY_TYPE case.
5724
5725 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5726
5727         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5728
5729 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5730
5731         PR middle-end/22480
5732         * tree-vect-transform.c (vectorizable_operation): Return false for
5733         scalar shift operations and for vector shift operations with
5734         non-invariant shift arguments.  Use scalar tree operand op1 as
5735         a shift operand when vector shift insn pattern uses scalar shift
5736         operand.
5737         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5738
5739 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5740
5741         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5742         value if it has side-effects.
5743
5744 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5745
5746         PR target/22068
5747         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5748
5749 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5750
5751         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5752         passed as NAME as if it were label at start of function code.
5753
5754 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5755
5756         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5757         the constraints.
5758
5759 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5760
5761         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5762         as early clobber.  Rewrite so the PIC register is not implicitly used.
5763
5764 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5765
5766         * tree.c (annotate_with_file_line): Compare line numbers before
5767         file names.
5768
5769 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5770
5771         PR target/23816
5772         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5773         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5774
5775 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5776
5777         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5778         than a HOST_WIDEST_INT to gen_doloop_begin.
5779
5780 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5781
5782         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5783
5784 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5785
5786         PR tree-optimize/23817
5787         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5788
5789 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5790
5791         PR target/23774
5792         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5793         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5794         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5795         (restore_stack_nonlocal): Likewise.
5796         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5797
5798 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5799
5800         PR g++/7874
5801         * c.opt (ffriend-injection): New C++ option.
5802         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5803         (C++ Dialect Options): Document -ffriend-injection.
5804
5805 2005-09-12  Josh Conner  <jconner@apple.com>
5806
5807         PR middle-end/23237
5808         * ipa-reference.c (static_execute): Don't mark variables in
5809         named sections TREE_READONLY.
5810
5811 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5812
5813         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5814         stack_tie.
5815
5816 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5817
5818         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5819         V_MUST_DEF instead of just the first_use_p.
5820         Don't mark the virtual variables for renaming on the statement which
5821         is being removed.
5822         (pass_dse): Remove TODO_update_ssa.
5823
5824 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5825
5826         PR middle-end/23290
5827         * stor-layout.c (compute_record_mode): For records with a single
5828         field, actually check the field's mode size against the type size.
5829
5830         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5831         registers for TARGET_SHMEDIA.
5832         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5833         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5834         of GENERAL_REGS and FP_REGS.
5835
5836 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5837
5838         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5839
5840 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5841
5842         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5843         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5844         are omitted.  Exclude stack_tie insn too.
5845
5846 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5847
5848         PR rtl-optimization/23098
5849         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5850         0.0f is easy.
5851         * config/rs6000/rs6000.md (movdf splitter): Use
5852         const_double_operand predicate for TARGET_POWERPC64.
5853         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5854         SYMBOL_REF method to ABI_V4.
5855
5856         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5857         replace_equiv_address.
5858         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5859         rs6000_sr_alias_set and MEM_NOTRAP.
5860         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5861
5862 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5863
5864         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5865         handle CALL_EXPR again.
5866
5867 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5868
5869         * arm/predicates.md (alignable_memory_operand): Delete.
5870
5871 2005-09-10  Richard Henderson  <rth@redhat.com>
5872
5873         PR debug/23806
5874         * dbxout.c (dbxout_expand_expr): New.
5875         (dbxout_symbol): Use it.
5876
5877 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5878
5879         * arm.c (arm_gen_rotated_half_load): Delete.
5880         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5881         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5882         (thumb_set_return_address): Likewise.
5883         (thumb_load_double_from_address): Use adjust_address.
5884         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5885         (extendhsisi2_mem, movhi_bytes): Use change_address.
5886         (movhi): Use widen_memory_access.
5887         (reload_out_df): Use replace_equiv_address.
5888         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5889
5890 2005-09-09  Richard Henderson  <rth@redhat.com>
5891
5892         PR debug/20998
5893         * dbxout.c: Include expr.h.
5894         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5895         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5896         * Makefile.in (dbxout.o): Add EXPR_H.
5897
5898 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5899
5900         PR tree-optimization/23509
5901         * tree-cfg.c (replace_uses_by): Use replace_exp.
5902         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5903         pointers have name_mem_tag or type_mem_tag set.
5904
5905 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5906
5907         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5908         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5909         of wrongly accessing operands.
5910
5911 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5912
5913         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5914         * tree-chrec.c: Include tree-scalar-evolution.h.
5915         (chrec_convert): Instantiate the base and step before calling
5916         scev_probably_wraps_p that would fail on parametric evolutions.
5917         Collect all the fails into a single section failed_to_convert,
5918         print a diagnostic, and return chrec_dont_know instead of calling
5919         fold_convert.
5920         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5921         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5922         phi nodes.
5923         (scev_const_prop): Don't replace the definition of a loop closed ssa
5924         phi node by itself, or by another loop closed ssa phi node.
5925         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5926         that base and step are defined.
5927
5928 2005-09-09  Richard Guenther  <rguenther@suse.de>
5929
5930         PR c++/23624
5931         * fold-const.c (fold_ternary): Check truth_value_p before
5932         calling invert_truthvalue.
5933
5934 2005-09-09  Nick Clifton  <nickc@redhat.com>
5935
5936         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5937         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5938         dimension of these arrays.
5939         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5940         these arrays.
5941         * longlong.h: Only provide a prototype for the __clz_tab[] array
5942         if this header has not been included from libgcc2.h.
5943         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5944         defining own types.
5945         Provide prototypes for exported functions.
5946         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5947         libgcc2.c.
5948
5949 2005-09-08  Josh Conner  <jconner@apple.com>
5950
5951         PR c++/21135
5952         PR c++/23180
5953         * expr.c (expand_expr_addr_expr_1): Don't invoke
5954         expand_simple_binop for EXPAND_INITIALIZER.
5955
5956 2005-09-08  Richard Henderson  <rth@redhat.com>
5957
5958         PR debug/23190
5959         * toplev.c (wrapup_global_declaration_1): Split out ...
5960         (wrapup_global_declaration_2): ... from ...
5961         (wrapup_global_declarations): ... here.  Return bool.
5962         (check_global_declaration_1): Split out ...
5963         (check_global_declarations): from here.
5964         (emit_debug_global_declarations): New.
5965         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5966         check_global_declaration_1, emit_debug_global_declarations): Declare.
5967         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5968         of decls.  Call wrapup_global_declaration_1,
5969         wrapup_global_declaration_2, check_global_declaration_1 directly.
5970         (c_write_global_declarations_2): New.
5971         (ext_block): New.
5972         (c_write_global_declarations): Call c_write_global_declarations_2.
5973         * langhooks.c (write_global_declarations): Call
5974         emit_debug_global_declarations.
5975
5976         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5977         remove decls that have DECL_RTL_SET_P.
5978         * passes.c (rest_of_decl_compilation): Invoke
5979         cgraph_varpool_finalize_decl for all but functions.
5980
5981 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5982
5983         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5984         the result of a conversion if the new min and max cannot be compared.
5985
5986 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5987
5988         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5989         (override_options): Setting s390_sr_alias_set removed.
5990         (save_fpr, save_gprs): Set alias set to vararg or frame.
5991         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5992         s390_sr_alias_set with get_frame_alias_set ().
5993         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5994         get_varargs_alias_set ().
5995
5996 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5997
5998         PR objc/20574
5999         PR objc/19324
6000         * c-parser.c (c_parser_objc_method_definition): If the next
6001         token is not "{", error out and don't start the function.
6002
6003 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6004
6005         * tree-vrp.c (extract_range_from_expr): Move the check for non
6006         nullness after the check for gimple invariant.
6007
6008 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6009
6010         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6011
6012 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6013
6014         PR target/23747
6015         * config/m32r.md (movmemsi_internal): Canonicalize order of
6016         operands in PLUS component of template.
6017
6018 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6019
6020         * reload1.c (fixup_eh_region_note): Remove assertion.
6021         (fixup_abnormal_edges): Reverted removal of call to
6022         find_many_sub_basic_blocks made on 2005-08-31.
6023
6024 2005-09-07  Richard Henderson  <rth@redhat.com>
6025
6026         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6027         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6028         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6029         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6030         rearrange for better packing.
6031         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6032         (lookup_cfa_1): Remove inline marker.
6033         (cfa_equal_p): Split out of ...
6034         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6035         (build_cfa_loc): Handle !cfa->indirect.
6036         (frame_pointer_cfa_offset): New.
6037         (dbx_reg_number): Assert register elimination performed; do
6038         leaf register remapping.
6039         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6040         (eliminate_reg_to_offset): New.
6041         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6042         for verifiably local stack frame addresses; re-base to CFA.
6043         (mem_loc_descriptor): Remove can_use_fbreg argument.
6044         (concat_loc_descriptor, loc_descriptor): Likewise.
6045         (containing_function_has_frame_base): Remove.
6046         (rtl_for_decl_location): Don't do register elimination or
6047         leaf register remapping here.
6048         (secname_for_decl): Split out from ..
6049         (add_location_or_const_value_attribute): ... here.
6050         (convert_cfa_to_loc_list): New.
6051         (compute_frame_pointer_to_cfa_displacement): New.
6052         (gen_subprogram_die): Use them.
6053         * tree.h (frame_base_decl): Remove.
6054         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6055         (prologue_stack_adjust): Remove.
6056         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6057         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6058         (set_frame_base_location): Remove.
6059         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6060         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6061         (vt_add_function_parameters): Don't eliminate_regs.
6062         (vt_initialize): Don't create frame_base_decl.
6063
6064 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6065
6066         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6067         version of GNU binutils for 4.x and later.
6068
6069 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6070
6071         * ggc-page.c (ggc_push_context): Remove.
6072         (ggc_pop_context): Likewise.
6073         * ggc.h (ggc_push_context): Remove.
6074         (ggc_pop_context): Likewise.
6075
6076 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6077
6078         PR target/8973
6079         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6080         returning from an interrupt handler.
6081
6082 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6083
6084         PR target/8972
6085         * config/arc/arc.c (output_shift): Add check for loop count when
6086         optimizing.
6087
6088 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6089
6090         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6091         form manually.
6092         (abs_replacement): Likewise.
6093         (pass_phiopt): Remove TODO_update_ssa.
6094
6095 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6096
6097         PR c/23075
6098         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6099         if "return with no value, in function returning non-void" warning
6100         has been issued.
6101         * tree-cfg.c (execute_warn_function_return): Don't look at
6102         RETURN_EXPRs with TREE_NO_WARNING set.
6103
6104         PR target/22362
6105         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6106         for internal functions doesn't use registers used by global registers
6107         variables.  Use fewer register parameters if there are global register
6108         variables.
6109
6110 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6111             Eric Botcazou  <ebotcazou@adacore.com>
6112
6113         PR middle-end/14997
6114         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6115         when we would be extracting outside its bit span (bitpos+bitsize
6116         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6117         Ada unchecked conversions.
6118
6119 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6120
6121         * tree-ssa-pre.c (try_look_through_load): New function.
6122         (compute_avail): Use it to try to look through loads for some
6123         more useful expressions.
6124
6125 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6126
6127         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6128         condition for detecting cases like (a&a) and (a^a).
6129
6130 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6131
6132         * common.opt: Add option ftree-vect-loop-version.
6133         * params.def: Add --param vect-max-version-checks.
6134         * doc/invoke.texi: Document ftree-vect-loop-version and
6135         --param vect-max-version-checks.
6136         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6137         may_misalign_stmts and defines for accessors.
6138         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6139         LOOP_VINFO_MAY_MISALIGN_STMTS.
6140         (destroy_loop_vec_info): VEC_free for
6141         LOOP_VINFO_MAY_MISALIGN_STMTS.
6142         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6143         Update documentation.
6144         (vect_update_misalignment_for_peel): New.
6145         (vect_enhance_data_refs_alignment): Update to choose loop
6146         peeling or loop versioning if appropriate for the (potentially)
6147         unaligned data references in the loop.
6148         (vect_analyze_data_refs_alignment): Remove call to
6149         vect_enhance_data_refs_alignment so the checks can be done
6150         earlier.
6151         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6152         and move up call to vect_analyze_data_refs_alignment.
6153         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6154         (vect_transform_loop): Add call to loop_version.
6155
6156 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6157
6158         PR rtl-optimization/23098
6159         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6160         * simplify-rtx.c (constant_pool_reference_p): New function.
6161         * rtl.h (constant_pool_reference_p): New prototype.
6162         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6163         constant_pool_reference_p in condition and
6164         avoid_constant_pool_reference in preparation statements.
6165
6166 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6167
6168         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6169         STRICT_LOW_PART SETs.
6170
6171 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6172
6173         PR middle-end/21460
6174         * except.c (sjlj_emit_function_enter): Find the function begin
6175         note even when it's not in first basic block.
6176
6177 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6178
6179         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6180         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6181         * aclocal.m4: Regenerate.
6182
6183 2005-09-05  DJ Delorie  <dj@redhat.com>
6184
6185         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6186         of macro.
6187
6188 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6189
6190         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6191         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6192         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6193         Follow spelling conventions.
6194         * doc/invoke.texi: Follow spelling conventions.
6195
6196 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6197
6198         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6199         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6200         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6201
6202 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6203
6204         PR target/23683
6205         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6206         (output_stack_adjust): Use gen_tmp_stack_mem.
6207         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6208         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6209         (sh_get_pr_initial_val): Likewise.
6210         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6211         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6212         * sh.md (divsi_inv_m0): Use gen_const_mem.
6213         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6214         (movdf_i4+1): Use gen_tmp_stack_mem.
6215         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6216         (fpu_switch+2): Likewise.
6217         (movv4sf_i, movv16sf_i): Use adjust_address.
6218         (symGOT_load): Set MEM_NOTRAP_P bit.
6219
6220 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6221
6222         PR target/23721
6223         * pa.c (emit_move_sequence): Fix typo in last change.
6224
6225 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6226
6227         PR rtl-optimization/23454
6228         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6229         is true.
6230
6231 2005-09-03  Richard Henderson  <rth@redhat.com>
6232             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6233
6234         PR middle-end/23671
6235         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6236         gen_rtx_MEM.
6237
6238 2005-09-02  Nicolas Pitre <nico@cam.org>
6239
6240         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6241         to bit_count to 32 bits.
6242
6243 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6244
6245         PR c++/23167
6246         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6247         generating synthetic loads from volatile lvalues.
6248
6249 005-09-02  Nick Clifton  <nickc@redhat.com>
6250
6251         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6252         __ctzhi2, __clzhi2): New functions.
6253
6254 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6255
6256         PR middle-end/23547
6257         * tree-nested.c (struct var_map_elt): Mark with GTY.
6258         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6259         var_map_elt.
6260         (lookup_field_for_decl): Allocate new element in GC memory.
6261         (lookup_tramp_for_decl): Likewise.
6262         (convert_nl_goto_reference): Likewise
6263         (create_nesting_tree): Allocate info in GC memory. Likewise for
6264         info->var_map.
6265         (free_nesting_tree): Free with ggc_free instead of free.
6266         (root): New static variable.
6267         (lower_nested_functions): Remove root as local variable.  And zero out
6268         root at the end of the function.
6269
6270 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6271
6272         PR rtl-optimization/20365
6273         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6274         to short.  New member ix.
6275         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6276         (simplify_plus_minus): Initialize ix members before calling qsort.
6277
6278 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6279
6280         PR tree-optimization/23626
6281         * tree-cfg.c (replace_uses_by): Clean up eh info.
6282
6283 2005-09-01  DJ Delorie  <dj@redhat.com>
6284
6285         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6286         fprintf.
6287
6288 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6289
6290         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6291         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6292         gen_rtx_MEM.
6293
6294 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6295
6296         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6297         do not issue warning for a variable definition following
6298         a declaration.
6299
6300 2005-09-01  Richard Henderson  <rth@redhat.com>
6301
6302         PR 23668
6303         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6304         conversion to CONST_VECTOR.
6305
6306 2005-09-01  Richard Henderson  <rth@redhat.com>
6307
6308         PR 23676
6309         * reload1.c (reload_as_needed): Check !CALL_P before calling
6310         fixup_eh_region_note.
6311         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6312
6313 2005-09-01  DJ Delorie  <dj@redhat.com>
6314
6315         * varasm.c (output_constant): Let the target resolve
6316         conversions of addresses to non-default pointer sizes.
6317
6318 2005-09-01  Nicolas Pitre <nico@cam.org>
6319
6320         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6321         to alow matching ARM pre-indexed addressing mode.
6322         (arm_override_options): Remove now irrelevant comment.
6323
6324 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6325
6326         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6327         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6328         * config/i386/vxworks.h:  Likewise.
6329         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6330         * config/i386/vxworksae.h:  Likewise.
6331
6332 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6333
6334         PR tree-optimization/23410
6335         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6336         sequence is not wrapping during the first step.
6337
6338 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6339
6340         PR debug/7241
6341         * dwarf2out.c (base_type_die): Compare char_type_node with
6342         TYPE_MAIN_VARIANT (type), not type.
6343
6344 2005-09-01  Richard Guenther  <rguenther@suse.de>
6345
6346         PR tree-optimization/15366
6347         * common.opt: Add -finline-functions-called-once.
6348         Put -fearly-inlining in alphabetically ordered place.
6349         * doc/invoke.texi: Document new option.
6350         * ipa-inline.c (cgraph_decide_inlining): Honour
6351         flag_inline_functions_called_once.
6352
6353 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6354
6355         PR rtl-optimization/23478
6356         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6357         (alloc_qty): Initialize it.
6358         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6359         (combine_regs): Combine also n_throwing_calls_crossed fields.
6360         (find_free_reg): Don't attempt to caller-save pseudos crossing
6361         calls that might throw.
6362         * global.c (struct allocno): Add throwing_calls_crossed field.
6363         (global_alloc): Revert 2005-08-22 change.  Initialize
6364         throwing_calls_crossed.
6365         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6366         might throw.
6367
6368 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6369
6370         PR target/23649
6371         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6372         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6373         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6374         (and64_2_operand): Tweak to use predicate.
6375         (and_operand): Adjust for mask_operand changes.
6376         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6377         (print_operand): Likewise.
6378         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6379         (mask64_1or2_operand): Delete.
6380         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6381         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6382         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6383         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6384         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6385         (rotldi3_internal4): Likewise.
6386         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6387         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6388         (ashldi3_internal7): Likewise.
6389         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6390         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6391         (anddi3 split): Don't match mask64_operand.
6392         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6393         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6394         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6395         't' splitter predicate.
6396         (movdi_internal64 + 2): Revert 2005-06-11 change.
6397
6398 2005-08-31  DJ Delorie  <dj@redhat.com>
6399
6400         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6401         (m32c_asm_integer): Add support for 32 bit pointers.
6402
6403 2005-08-31  Richard Henderson  <rth@redhat.com>
6404
6405         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6406         component-like references for setting MEM_NOTRAP_P.
6407
6408         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6409         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6410
6411 2005-08-31  Richard Henderson  <rth@redhat.com>
6412
6413         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6414         into a pseudo before applying gen_lowpart.
6415
6416 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6417
6418         * doc/install.texi (Specific): Update cctools version required
6419         for full functionality.
6420         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6421         linkers as -macosx_version_min.
6422
6423 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6424
6425         PR target/21255
6426         * sh.c (print_operand, %R and %S): Add handling of floating point
6427         registers, memory, constants and invalid operands.
6428
6429 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6430
6431         * ipa-pure-const.c: Change dump name.
6432
6433 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6434
6435         PR target/23570
6436         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6437         to "reg_or_0_operand".
6438         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6439
6440 2005-08-31  Dale Johannesen  <dalej@apple.com>
6441
6442         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6443         loops that count down.
6444
6445 2005-08-31  Richard Henderson  <rth@redhat.com>
6446
6447         PR rtl-opt/23601
6448         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6449         (fixup_eh_region_note): New.
6450         (reload_as_needed): Call it.
6451         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6452         don't call find_many_sub_basic_blocks; call verify_flow_info.
6453         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6454         (keep_stack_depressed): Likewise.
6455         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6456
6457 2005-08-31  Richard Henderson  <rth@redhat.com>
6458
6459         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6460         fp return matching.
6461
6462 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6463
6464         * expr.c (expand_expr_real_1): Compare size of address
6465         mode to target's address mode size in deciding expansion of
6466         the constant address.
6467
6468 2005-08-31  Richard Guenther  <rguenther@suse.de>
6469
6470         PR middle-end/23477
6471         * expr.c (all_zeros_p): New function.
6472         (expand_expr_real_1): Handle the case of an all-zero
6473         non-addressable constructor separately.
6474
6475 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6476
6477         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6478         arguments, adjust all callers.
6479         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6480
6481 2005-08-30  Richard Henderson  <rth@redhat.com>
6482
6483         PR target/23630
6484         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6485         whenever the mode sizes match.
6486
6487 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6488
6489         * calls.c (load_register_parameters): Fix comment typo.
6490         * expr.c (emit_push_insn): Comment formatting.
6491
6492 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6493
6494         * config/i386/x-cygwin (host-cygwin): Change dependency from
6495         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6496
6497 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6498
6499         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6500         parts of 'vals'.
6501
6502 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6503
6504         PR middle-end/23408
6505         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6506         call to ggc_collect.
6507
6508 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6509
6510         PR bootstrap/21268
6511         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6512         beginning.  Remove $(INCLUDES) from all the rules, if following
6513         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6514
6515 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6516
6517         PR middle-end/23484
6518         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6519         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6520         not constant, but maxlen is, don't set len to maxlen, rather
6521         set maxlen to len if len is a constant.
6522
6523 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6524
6525         PR tree-optimization/23475
6526         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6527         and counts.
6528
6529 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6530
6531         Fix PR middle-end/22455
6532
6533         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6534         Checksum only the parts of the tree that exist for the tree code.
6535
6536 2005-08-28  Dale Johannesen  <dalej@apple.com>
6537
6538         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6539
6540 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6541
6542         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6543
6544 2005-08-28  Richard Henderson  <rth@redhat.com>
6545
6546         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6547         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6548         of char_type_node.
6549
6550 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6551
6552         PR ada/23593
6553         * builtins.c (get_memory_rtx): Don't strip nops
6554         in between COMPONENT_REFs.
6555
6556 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6557
6558         PR middle-end/23463
6559         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6560         types.
6561         (gimplify_modify_expr): Check for zero sized types and gimplify the
6562         rhs and lhs as statements.
6563
6564 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6565
6566         PR libgcj/23508
6567         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6568         state for return address column of signal frames.
6569
6570 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6571
6572         PR target/23539
6573         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6574         bytes >= 2 not bytes == 2.
6575         (expand_block_move): Same.
6576
6577 2005-08-27  Richard Guenther  <rguenther@suse.de>
6578
6579         PR target/23575
6580         * config/i386/sse.md (sse2_movsd): Add missing closing
6581         braces.
6582
6583 2005-08-27  Paul Brook  <paul@codesourcery.com>
6584
6585         * genrecog.c (enum decision_type): Add DT_num_insns.
6586         (struct decision_test): Add u.num_insns.
6587         (add_to_sequence): Add DT_num_insns test.
6588         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6589         (write_cond, debug_decision_2): Ditto.
6590         (change_state): Assume peep2_next_insn never fails.
6591         Remove "afterward" argument.
6592         (write afterward, write_tree): Update to match.
6593         * recog.c (peep2_current_count): New variable.
6594         (peep2_next_insn): Check it.
6595         (peephole2_optimize): Set peep2_current_count.
6596         * recog.h (peep2_current_count): Declare.
6597
6598 2005-08-26  Josh Conner  <jconner@apple.com>
6599
6600         PR middle-end/23584
6601         * ipa-pure-const.c (check_tree): Check for volatile-ness
6602         when considering a dereference.
6603
6604 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6605
6606         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6607
6608 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6609
6610         PR rtl-optimization/23561
6611         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6612         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6613         at most LEN bytes long memory fits into the field.
6614         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6615         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6616         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6617
6618 2005-08-26  Richard Henderson  <rth@redhat.com>
6619
6620         PR rtl-opt/23560
6621         * loop.c (biased_biv_may_wrap_p): New.
6622         (maybe_eliminate_biv_1): Use it to suppress non-equality
6623         comparison transformations.  Delete disabled code.
6624
6625 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6626
6627         * combine.c (make_extraction): Avoid reference outside object.
6628
6629 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6630
6631         * stor-layout.c (finalize_type_size): Restore behaviour for
6632         non-aggregate types to the status quo ante of the patch for
6633         pr 23467.  Document why it matters.
6634
6635 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6636
6637         PR c/23506
6638         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6639         array by one element, initialize the BT_LAST element with NULL.
6640
6641 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6642
6643         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6644         optimizing for size.
6645         (plus_eqsi): Same.
6646         (compare_plus_eqsi): Same.
6647         (plus_eqsi_compare): Same.
6648         (neg_eq0<mode>): Same.
6649         (neg_eq<mode>): Same.
6650
6651         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6652         PROCESSOR_POWER4.
6653
6654 2005-08-26  Nick Clifton  <nickc@redhat.com>
6655
6656         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6657         TARGET_EP is not defined.
6658         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6659         TARGET_EP is enabled.
6660         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6661         * config/v850/v850.md (save_all_interrupt): Only use the EP
6662         register if TARGET_EP is defined.
6663         (restore_all_interrupt): Likewise.
6664         * config/v850/lib1funcs.asm: Update functions so that the EP
6665         register is only used if __EP__ is defined.
6666
6667 2005-08-26  David Ung  <davidu@mips.com>
6668
6669         * config/mips/mips.c (mips_expand_prologue): Handle case when
6670         generating for MIPS16 and the outgoing argument area is more than
6671         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6672         add instruction.
6673
6674 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6675
6676         * config/crx/crx.md: Make doloop_end pattern usage controllable
6677         via mloop-nesting=<max-nesting> command line switch. Make sure
6678         the combiner cannot use doloop_end_<mode> in an illegal way.
6679         * config/crx/crx.c: Use regs up to r6 for argument passing.
6680         Refine crx_address_cost (non cst4 displacements are expensive).
6681         * config/crx/crx.opt: Add switch for mloop-nesting=.
6682
6683 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6684
6685         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6686         (UNSPEC_MVST): New constant.
6687
6688 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6689
6690         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6691         Reject operands containing eliminable registers.
6692         * testsuite/gcc.dg/20050825-1.c: New testcase.
6693
6694 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6695             Jan Hubicka  <jh@suse.cz>
6696
6697         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6698
6699 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6700
6701         PR tree-optimization/23546
6702         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6703         and REAL_CST nodes.
6704
6705 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6706
6707         * params.def (PARAM_MIN_SPEC_PROB): New.
6708         * sched-rgn.c (MIN_PROBABILITY): Delete.
6709         (compute_trg_info): Convert to PARAM_VALUE.
6710         * doc/invoke.texi (param): Document min-spec-prob.
6711
6712 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6713
6714         * config/darwin.h: define __PIC__
6715         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6716         TARGET_OS_CPP_BUILTINS macro.
6717
6718 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6719
6720         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6721         yesterday.
6722
6723 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6724
6725         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6726         to duplicate_block.
6727         * cfghooks.c (duplicate_block): Added position where to place
6728         new block as argument.
6729         * cfghooks.h (duplicate_block): Declaration changed.
6730         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6731         duplicate_block.
6732         * cfglayout.h (copy_bbs): Declaration changed.
6733         * cfgloop.h (loop_version): Declaration changed.
6734         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6735         position to copy_bbs.
6736         (loop_version): Pass position to duplicate_loop_to_header_edge.
6737         Add place_after argument and position new blocks according to
6738         it.
6739         * modulo-sched.c (sms_schedule): Pass place_after argument
6740         to loop_version.
6741         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6742         * tree-cfg.c (split_edge_bb_loc): New function.
6743         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6744         to determine position of new blocks.
6745         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6746         to loop_version.
6747         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6748         argument to duplicate_block.
6749         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6750         Pass position to copy_bbs.
6751
6752 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6753
6754         * fold-const.c (ptr_difference_const): Use
6755         cst_and_fits_in_hwi instead of host_integerp.
6756
6757 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6758
6759         * config/darwin.c (gen_pic_offset): New.
6760         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6761         Use it.
6762
6763 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6764
6765         PR tree-optimization/23486
6766         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6767
6768 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6769
6770         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6771         remove use_collect2.
6772         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6773
6774         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6775         configuration files to override the default value.
6776
6777         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6778         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6779         * config/vx-common.h:  New file, split out from...
6780         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6781         * config/vxworksae.h:  New file, for VxWorks AE.
6782         * config/vxworks.opt:  New file.
6783         * config/vxlib.c:  Update for VxWorks 6.
6784
6785         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6786         other MULTILIB_* variables appropriately.
6787         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6788         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6789         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6790         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6791
6792 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6793
6794         PR target/20799
6795         * config/darwin.c (machopic_select_section): Remove the hack to
6796         mark "::operator new" and "::operator delete" for coalescing
6797         even though they are not weak.
6798
6799 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6800
6801         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6802         * configure: Regenerate.
6803
6804 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6805
6806         PR middle-end/23517
6807         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6808         between vectors.
6809         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6810         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6811         Likewise.
6812
6813 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6814
6815         * config/rs6000/predicates.md (equality_operator): New.
6816         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6817         comparison with a large constant.
6818
6819 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6820
6821         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6822
6823 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6824
6825         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6826         registers is even, and we have a hardware double precision fp,
6827         align the buffer.
6828         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6829         size of current argument when checking if argument was passed in
6830         registers.
6831
6832         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6833
6834         PR middle-end/23467
6835         * stor-layout.c (finalize_type_size): Dont override
6836         existing alignment with a smaller alignment from the mode.
6837
6838 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6839
6840         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6841         * lambda.h (lambda_vector_lexico_pos): ... here.
6842         * tree-data-ref.c (build_classic_dist_vector): Return false when
6843         the distance vector is lexicographically negative.
6844
6845 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6846
6847         PR tree-optimization/23511
6848         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6849         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6850
6851 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6852
6853         PR tree-optimization/22043
6854         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6855         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6856         If ALLOW_FLEXARR, handle types ending with flexible array member.
6857         Pass false as second argument to recursive count_type_elements calls.
6858         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6859         argument to count_type_elements call.
6860         * tree-sra.c (decide_block_copy): Likewise.
6861         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6862         for a constant-sized object, set cleared as well.  Pass true as
6863         second argument to count_type_elements call.
6864
6865 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6866
6867         PR target/21571
6868         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6869         from legitimate_small_data_p, and make global.  Update use.
6870         Remove forward declaration.
6871         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6872         Declare.
6873         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6874
6875 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6876
6877         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6878         of scratch intermediates.
6879         (eq<mode>_compare): Same.
6880         (neg_eq0<mode>): New.
6881         (neg_eq<mode>): Convert to define_insn_and_split.
6882
6883 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6884
6885         PR target/23070
6886         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6887         stdarg functions, set/clear the fp marker even when no variable
6888         args are passed.
6889         * config/rs6000/sysv4.opt (mprototype): Describe.
6890
6891 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6892
6893         PR rtl-optimization/23478
6894         * regs.h (reg_info): Add throw_calls_crossed.
6895         (REG_N_THROWING_CALLS_CROSSED): Define.
6896         * flow.c (allocate_reg_life_data): Initialize
6897         REG_N_THROWING_CALLS_CROSSED.
6898         (propagate_one_insn, attempt_auto_inc): Update
6899         REG_N_THROWING_CALLS_CROSSED.
6900         * global.c (global_alloc): Don't allocate pseudos across
6901         calls that may throw.
6902
6903 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6904
6905         PR c/18715
6906         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6907         value is inbetween the range if we did not find an exact match.
6908
6909 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6910
6911         * doc/invoke.texi (Option Summary): Add ms1 options.
6912         * doc/extend.texi: Document interrupt handler attribute for ms1.
6913         * doc/md.texi: Document ms1 constraints.
6914         * config.gcc: Add ms1-*-elf.
6915         * config/ms1/ms1.h: New.
6916         * config/ms1/ms1.c: New.
6917         * config/ms1/ms1.md: New.
6918         * config/ms1/ms1-protos.h: New.
6919         * config/ms1/ABI.txt: New.
6920         * config/ms1/crti.asm: New.
6921         * config/ms1/crtn.asm: New.
6922         * config/ms1/lib2extra-funcs.c: New.
6923         * config/ms1/t-ms1: New.
6924         * config/ms1/ms1.opt: New.
6925
6926 2005-08-22 Ira Rosen <irar@il.ibm.com>
6927
6928         * config/rs6000/altivec.md (xorv4sf3): New.
6929         (negv4sf2, neg<mode>2): Likewise.
6930
6931 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6932
6933         PR target/23485
6934         * config/ia64/ia64.md (divsi3): Check divide by zero.
6935         (udivsi3): Likewise.
6936         (divdi3): Likewise.
6937         (udivdi3): Likewise.
6938
6939 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6940
6941         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6942         up to elem_bitsize bits, not max_bitsize.
6943
6944 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6945
6946         PR tree-optimization/23433
6947         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6948         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6949
6950 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6951
6952         PR tree-optimization/23434
6953         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6954         the iteration bound is not an INTEGER_CST.
6955
6956 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6957
6958         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6959         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6960         NULL if need_epilog_adjust is false.
6961         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6962         Case 3 always peels first itration, not just for PLUS case, and no need
6963         to use scalar_initial_def here. Create an epilog adjustment only if
6964         scalar_initial_def is not NULL.
6965
6966         (vectorizable_reduction): Remove assert.
6967
6968 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6969
6970         PR target/23485
6971         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6972         (__moddi3): Likewise.
6973         (__udivdi3): Likewise.
6974         (__umoddi3): Likewise.
6975         (__divsi3): Likewise.
6976         (__modsi3): Likewise.
6977         (__udivsi3): Likewise.
6978         (__umodsi3): Likewise.
6979
6980 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6981
6982         * tree-pass.h (TDF_GRAPH): Define.
6983         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6984         * passes.c (finish_optimization_passes): Only call
6985         finish_graph_dump_file if TDF_GRAPH is set.
6986         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6987         NULL.  Set TDF_GRAPH bit.
6988         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6989
6990 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6991
6992         * arm.h (arm_stack_offsets): Add locals_base field.
6993         * arm.c (arm_get_frame_offsets): Compute it.
6994         (thumb_compute_initial_elimination offset): Make the Thumb frame
6995         pointer point to the base of the local variables.
6996         (thumb_expand_prologue): Update accordingly.
6997         (thumb_expand_epilogue): Likewise.
6998
6999         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7000         mode of clobbered scratch to DImode.  Handle a case that's known to
7001         need this.
7002
7003 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7004
7005         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7006         (gt0<mode>_compare): Delete.
7007         (neg_gt0<mode>): Delete.
7008
7009 2005-08-19  Eric Christopher  <echristo@apple.com>
7010
7011         * optabs.h: Change CTI_ to COI_.
7012         * optabs.c: Ditto.
7013
7014 2005-08-19  James E Wilson  <wilson@specifix.com>
7015
7016         * builtins.c (expand_builtin_return_addr): Set
7017         current_function_accesses_prior_frames when count != 0.  Use
7018         frame_pointer_rtx when count == 0.
7019         * function.h (struct function): Add accesses_prior_frames field.
7020         (current_function_accesses_prior_frames): Define.
7021         * reload1.c (init_elim_table): Check
7022         current_function_accesses_prior_frames.
7023         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7024
7025 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7026
7027         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7028         indicator.  Return true if the flowgraph changed during
7029         cleanup.
7030
7031 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7032
7033         PR 23476
7034         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7035         conditional expression before testing its value.
7036
7037 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7038
7039         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7040
7041 2005-08-19  Devang Patel  <dpatel@apple.com>
7042
7043         PR tree-optimization/23048
7044         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7045         third parameter. Check whether latch is dominated by exit
7046         block or not.
7047         (if_convertible_loop_p): Supply exit block itself to
7048         if_convertible_bb_p.
7049
7050 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7051
7052         PR target/23473
7053         * arm.md (arm_load_pic_register): Change argument to the mask of
7054         saved registers.  Call thumb_find_work_register if we need a
7055         scratch register on Thumb.
7056         (arm_expand_prologue): Pass empty register set to
7057         arm_load_pic_register.
7058         (thumb_expand_prologue): Pass live_regs_mask directly to
7059         arm_load_pic_register.
7060         * arm-protos.h (arm_load_pic_register): Update prototype.
7061
7062 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7063
7064         * sh.c (find_sole_member): New function.
7065         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7066         if the record's alignment is larger than the size of its only member.
7067
7068 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7069
7070         PR target/23436
7071         * arm.c (thumb_legitimize_reload_address): New function.
7072         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7073         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7074
7075 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7076
7077         * config/crx/crx.c: Implement crx_decompose_address. Reject
7078         symbolic displacements since CRX register relative adressing
7079         mode can't handle unsigned 32-bit values as displacements.
7080         * config/crx/crx.h: Simplify definitions, remove redundant
7081         parenthesis and obsolete macros.
7082         * config/crx/crx.opt: Add new switch for debugging addresses.
7083         * config/crx/crx-protos.h: Add new declarations for above.
7084
7085 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7086
7087         PR middle-end/20624
7088         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7089         looking past it.
7090
7091 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7092
7093         * collect2.c (dup2): Delete.
7094         * configure.ac: Don't check for dup2.
7095
7096         * config.in, configure: Regenerate.
7097
7098 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7099
7100         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7101         record with the type of its only member.
7102
7103 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7104
7105         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7106         define_insn_and_split.
7107         (plus_ltu<mode>_compare): Same.
7108         (gtu<mode>_compare): Same.
7109         (plus_gtu<mode>_compare): Same.
7110
7111 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7112
7113         PR tree-optimization/22228
7114         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7115         todo_flags_start.
7116         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7117         are recorded in vect_vnames_to_rename for renaming.
7118         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7119         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7120         in vect_vnames_to_rename.
7121         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7122         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7123
7124 2005-08-18  Jan Hubicka  <jh@suse.cz>
7125
7126         PR c++/22034
7127         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7128         info only for local statics, not for member variables.
7129
7130 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7131
7132         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7133
7134 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7135
7136         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7137
7138 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7139
7140         PR middle-end/16045
7141         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7142
7143 2005-08-17  James E Wilson  <wilson@specifix.com>
7144
7145         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7146         array size check.
7147
7148 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7149
7150         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7151         (leu<mode>_compare): Same.
7152         (plus_leu<mode>): Same.
7153         (neg_leu<mode>): Same.
7154         (and_neg_leu<mode): Same.
7155         (ltu<mode>_compare): Same.
7156         (plus_ltu<mode>): Same.
7157         (geu<mode>): Same.
7158         (geu<mode>_compare): Same.
7159         (plus_geu<mode>): Same.
7160         (neg_geu<mode>): Same.
7161         (and_neg_geu<mode>): Same.
7162         (plus_gt<mode>): Same.
7163         (gtu<mode>_compare): Same.
7164         (plus_gtu<mode>): Same.
7165
7166 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7167
7168         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7169         Move call_table_data to end.  Delete spurious .text.
7170         (callt_save_all_interrupt): Fix comment typo.
7171
7172 2005-08-17  James E Wilson  <wilson@specifix.com>
7173             Kevin Winchester  <winchester@amirix.com>
7174
7175         PR target/21684
7176         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7177
7178 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7179
7180         PR target/23268
7181         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7182         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7183
7184 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7185
7186         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7187         record with the type of its only member if the modes don't match.
7188
7189         * varasm.c (decode_reg_name): Skip empty additional register names.
7190
7191 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7192
7193         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7194         lsm_tmp_name_length): New.
7195         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7196         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7197
7198 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7199             Andreas Krebbel  <krebbel1@de.ibm.com>
7200
7201         * config.gcc: Added z9-109 switch.
7202         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7203         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7204         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7205         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7206         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7207         for "z9_109" cpu attribute.
7208         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7209         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7210         (s390_handle_arch_option): Added z9-109 switch.
7211         (override_options): Set respective cost function for z9-109.
7212         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7213         (legitimate_reload_constant_p): Accept extended immediates.
7214         (print_operand): Three new output modifiers added: k, m and o.
7215         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7216         (s390_output_mi_thunk): Use extended immediate when possible.
7217         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7218         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7219         (CONSTRAINT_LEN): Added length of O constraint.
7220         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7221         * config/s390/s390.md ("cpu"): New value z9_109 added.
7222         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7223         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7224         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7225         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7226         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7227         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7228         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7229         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7230         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7231         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7232         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7233         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7234         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7235         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7236         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7237         immediates.
7238         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7239         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7240         insns for TARGET_EXTIMM.
7241
7242 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7243
7244         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7245
7246 2005-08-17  Nick Clifton  <nickc@redhat.com>
7247
7248         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7249         Call default_encode_section_info.
7250
7251 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7252
7253         PR tree-optimization/21574
7254         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7255         constant, return CONSTANT.
7256         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7257         (ccp_fold, visit_assignment): Likewise.
7258         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7259
7260 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7261
7262         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7263         fold_buildN instead of buildN then fold_initializer or fold.
7264         (build_unary_op): Likewise.
7265         (build_binary_op): Likewise.
7266         * fold-const.c (fold_initializer): Remove.
7267         (fold_build1_initializer): New function.
7268         (fold_build2_initializer): New function.
7269         (fold_build3_initializer): New function.
7270         * tree.h (fold_initializer): Remove.
7271         (fold_build1_initializer): New function.
7272         (fold_build2_initializer): New function.
7273         (fold_build3_initializer): New function.
7274
7275 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7276
7277         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7278         (try_move_mult_to_index): Call fold_build2 instead of build2.
7279         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7280         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7281         fold_binary_to_constant.
7282         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7283         fold (build.
7284         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7285         check if A == gcd (A, B).  Remove TYPE argument.
7286         (analyze_offset) Use fold_build2 instead of fold (build.
7287         (create_data_ref): Likewise.
7288         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7289         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7290         then fold.
7291
7292 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7293
7294         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7295         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7296
7297 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7298
7299         PR tree-opt/23402
7300         * gimplify.c (zero_sized_type): New function.
7301         (gimplify_modify_expr_rhs): If we have a zero sized type,
7302         replace the statement with an empty statement.
7303
7304 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7305
7306         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7307         fxsave.
7308
7309 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7310
7311         * doc/tm.texi (Label Output): Correct typo.
7312
7313 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7314
7315         PR target/23376
7316         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7317         force_operand will work later on using have_insn_for.
7318
7319 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7320
7321         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7322
7323 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7324
7325         PR c++/23337
7326         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7327         vector type, don't try to construct it element by element.  Add an
7328         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7329
7330 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7331
7332         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7333
7334 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7335
7336         * doc/invoke.texi (Precompiled Headers): Document some more options
7337         which are known to be safe.
7338
7339 2005-08-16  James E Wilson  <wilson@specifix.com>
7340
7341         PR tree-optimization/21105
7342         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7343         TREE_OVERFLOW check.
7344
7345 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7346
7347         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7348         (neg_ltu<mode>): Same.
7349         (gtu<mode>): Same.
7350         (neg_gtu<mode>): Same.
7351
7352 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7353
7354         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7355         (fold_builtin_isdigit): Use fold_buildN.
7356         (build_function_call_expr): Likewise.
7357         * c-typeck.c (c_finish_loop): Likewise.
7358
7359 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7360             Richard Shann <rshann@superh.com>
7361
7362         PR middle-end/20396:
7363         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7364
7365 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7366
7367         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7368
7369 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7370
7371         PR target/23355
7372         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7373         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7374         must be saved.
7375
7376 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7377
7378         PR middle-end/23369
7379         * fold-const.c (build_range_check): Disable optimization for function
7380         pointer expressions on targets that require function pointer
7381         canonicalization.
7382
7383 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7384
7385         * simplify-rtx.c (simplify_const_relational_operation): When
7386         extracting arguments of a COMPARE, recompute the mode as well.
7387
7388 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7389
7390         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7391
7392 2005-08-15  DJ Delorie  <dj@redhat.com>
7393
7394         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7395         the stack.
7396         (movsi_splittable): Allow, but split, moves to the stack.
7397         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7398         stack.
7399
7400 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7401
7402         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7403         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7404         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7405
7406         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7407         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7408         Delete HOST_PTR_PRINTF.
7409
7410         * configure, config.in: Regenerate.
7411
7412 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7413
7414         * config/rs6000/rs6000.md (QHSI): New mode macro.
7415         (wd): Extend mode attr for QImode and HImode
7416         (dbits): New mode attr.
7417         (zero_extend<mode>di2): Convert to mode macro.
7418
7419 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7420
7421         PR target/21841
7422         * doc/invoke.texi (-mgnu-ld): Update description.
7423         (-mhp-ld): Ditto.
7424
7425 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7426
7427         PR 23391
7428         * Makefile.in (tree-chrec.o): Depends on real.h.
7429         * tree-chrec.c: Include real.h.
7430         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7431         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7432         * tree-scalar-evolution.c (add_to_evolution_1,
7433         interpret_rhs_modify_expr): Ditto.
7434
7435 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7436
7437         PR 23386
7438         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7439         step is negative compute the estimation from init downwards to zero.
7440
7441 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7442
7443         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7444
7445 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7446
7447         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7448         constraint.
7449         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7450         Accept double-word constants that can be split.
7451         * config/s390/s390.md ("movti"): Use 'P' constraint.
7452         ("*movdi_31", "*movdf_31"): Likewise.
7453
7454 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7455
7456         Fix PR tree-optimization/22615
7457
7458         * tree-ssa-structalias.c (solution_set_add): Handle
7459         first_vi_for_offset returning NULL.
7460         (do_da_constraint): Ditto.
7461         (do_sd_constraint): Ditto.
7462         (do_ds_constraint): Ditto
7463         (find_func_aliases): Ditto.
7464         (build_constraint_graph): RHS is allowed be ANYTHING.
7465         (first_vi_for_offset): Return NULL if we couldn't find anything at
7466         the offset.
7467
7468 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7469
7470         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7471         over memory as first operand.
7472
7473 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7474
7475         PR target/23360
7476         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7477         available for setting it.
7478
7479 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7480
7481         PR tree-optimization/23320
7482         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7483         data-refs' types instead of base object nullness. Add check for
7484         pointer type data-refs before first location comparison. Remove
7485         assert.
7486
7487 2005-08-14  Andreas Schwab  <schwab@suse.de>
7488
7489         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7490
7491 2005-08-13  James E Wilson  <wilson@specifix.com>
7492
7493         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7494         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7495         -fstack-protector-all, --param ssp-buffer-size): Document.
7496         (-Wvariadic-macros): Alphabetize.
7497         (-fsched-stalled-insns-dep): Add missing 'f'.
7498
7499         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7500         macros.
7501
7502 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7503
7504         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7505         or indirect address operand.
7506         (EXTRA_ADDRESS_CONSTRAINT): New.
7507         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7508
7509 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7510
7511         PR tree-optimization/22236
7512         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7513         successors and predecessors.
7514         * tree-chrec.c (chrec_convert): Before converting, check that
7515         sequences don't wrap.
7516         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7517         (analyze_array): Extern.
7518         (find_data_references_in_loop): Remove call to
7519         compute_estimated_nb_iterations.
7520         * tree-data-ref.h (analyze_array): Declared.
7521         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7522         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7523         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7524         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7525         condition.
7526         * tree-ssa-loop-ivcanon.c: Fix documentation.
7527         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7528         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7529         (infer_loop_bounds_from_undefined): New.
7530         (estimate_numbers_of_iterations_loop): Use
7531         infer_loop_bounds_from_undefined.
7532         (used_in_pointer_arithmetic_p): New.
7533         (scev_probably_wraps_p): Pass an extra parameter.  Call
7534         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7535         (convert_step): Fix documentation.
7536         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7537         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7538         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7539         scev_probably_wraps_p.
7540
7541 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7542
7543         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7544         (s390_register_info): Ignore clobbered_regs information for fixed
7545         registers, and only fixed registers.
7546         (s390_init_frame_layout): Remove redundant call.
7547
7548 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7549
7550         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7551         description of -Wold-style-casts.
7552
7553 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7554             Jakub Jelinek  <jakub@redhat.com>
7555
7556         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7557         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7558         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7559         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7560         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7561         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7562         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7563         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7564         ("stack_protect_set", "stack_protect_test"): New expanders.
7565         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7566         "stack_protect_testdi"): New insn definitions.
7567
7568 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7569
7570         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7571
7572 2005-08-12  Paul Brook  <paul@codesourcery.com>
7573
7574         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7575
7576 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7577
7578         * config/s390/predicates.md (setmem_operand): New predicate.
7579         (shift_count_operand): Accept ANDs with special constants as
7580         operand.
7581         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7582         with special constants.
7583         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7584         shift_count_operand with setmem_operand.
7585
7586 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7587
7588         * config/s390/s390.c (s390_extract_part, s390_single_part):
7589         Type cast added.
7590         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7591         (s390_output_mi_thunk): Don't use lg on 31 bit.
7592         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7593         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7594
7595 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7596
7597         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7598         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7599         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7600         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7601         with one of the new macros.
7602
7603 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7604
7605         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7606         Don't set save_return_addr_p.
7607         (s390_register_info): Make clobbered_regs not depending on
7608         save_return_addr_p.
7609
7610 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7611
7612         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7613         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7614
7615 2005-08-11  James E. Wilson  <wilson@specifix.com>
7616
7617         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7618
7619 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7620
7621         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7622         locations gathered by var-tracking in single entry loc_list
7623         over loc_descriptor_from_tree.
7624
7625         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7626         pass it down to loc_descriptor.
7627         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7628         (containing_function_has_frame_base): Move earlier in the file.
7629         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7630         instead of always assuming fbreg can't be used.
7631
7632 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7633
7634         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7635         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7636         Accept address wrapped in AND for Altivec.
7637         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7638         Strip AND wrapping offset address for Altivec.
7639
7640 2005-08-11  Richard Henderson  <rth@redhat.com>
7641
7642         PR middle-end/23312
7643         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7644         before using TYPE_IS_SIZETYPE.
7645
7646 2005-08-11  Richard Henderson  <rth@redhat.com>
7647
7648         PR target/22225
7649         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7650         insn types not present on ev4.
7651         (alphaev5_insn_pipe): Similarly.
7652
7653 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7654
7655         PR target/23250
7656         * arm.c (arm_override_options): If the user has selected callee-super-
7657         interworking, then enable normal interworking.
7658
7659 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7660
7661         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7662         redefinition.
7663
7664 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7665
7666         * doc/rtl.texi: Fix two typos.
7667
7668 2005-08-11  Richard Guenther  <rguenther@suse.de>
7669
7670         PR target/23289
7671         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7672         cases where we call to/from functions returning void.
7673
7674 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7675
7676         PR c++/23225
7677         * tree.c (build_pointer_type_for_mode): Robustify.
7678
7679 2005-08-10  James E Wilson  <wilson@specifix.com>
7680
7681         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7682         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7683
7684         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7685         "cum->".
7686
7687 2005-08-10  Eric Christopher  <echristo@apple.com>
7688
7689         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7690         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7691         V2DFmode.
7692
7693 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7694
7695         PR target/21887
7696         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7697         for the high part when generating dynamic-no-pic code.
7698
7699 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7700
7701         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7702         (x86_64-*-linux*): Likewise.
7703
7704         * config/i386/crtfastmath.c: New file.
7705         * config/i386/t-crtfm: Likewise.
7706
7707         * config/i386/linux.h (ENDFILE_SPEC): New.
7708         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7709
7710         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7711         crtfastmath.o.
7712
7713 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7714
7715         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7716         (vec_shl, vec_shr): Document new operations.
7717         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7718
7719 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7720
7721         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7722         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7723         change predicate to indexed_or_indirect_address.
7724
7725 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7726
7727         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7728         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7729         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7730         and __aeabi_uwrite8.
7731         * config/arm/unaligned-funcs.c: New file.
7732         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7733
7734 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7735
7736         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7737         Add dump.
7738         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7739         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7740         Add dump.
7741         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7742         * final.c (pass_shorten_branches): Add dump.
7743         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7744         (pass_life): Rename dump.
7745         (rest_of_handle_flow2): Remove initial verify_flow_info.
7746         * function.c (pass_instantiate_virtual_regs): Add dump.
7747         * integrate.c (pass_initial_value_sets): Add dump.
7748         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7749         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7750         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7751         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7752         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7753         gate_rtl_unrool_and_peel_loops): New.
7754         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7755         rtl_doloop): Do not look at flags.
7756         * mode-switching.c (pass_mode_switching): Add dump.
7757         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7758         pass_split_before_regstack): Add dump.
7759         * regmove.c (pass_stack_adjustments): Add dump.
7760         * tree-optimize.c (pass_fixup_cfg): Add dump.
7761
7762 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7763
7764         PR 23309
7765         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7766         deciding which instruction sequence to use.
7767
7768 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7769
7770         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7771         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7772
7773 2005-08-09  Richard Guenther  <rguenther@suse.de>
7774
7775         * c-common.c (builtin_function_2): Remove.
7776         (def_builtin_1): New function.
7777         (c_common_nodes_and_builtins): Use def_builtin_1 to
7778         build builtin functions.
7779
7780 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7781
7782         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7783         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7784         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7785         Visual DSP.
7786
7787 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7788
7789         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7790         fold_binary instead of fold_build2 since we don't care about the
7791         resulting tree.
7792         (loop_niter_by_eval): Likewise.
7793         (compare_trees): Likewise.
7794         (proved_non_wrapping_p): Likewise.
7795
7796 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7797
7798         PR c/23161
7799         PR c/23165
7800         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7801         if the if is really empty.
7802
7803 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7804
7805         PR tree-optimization/23234
7806         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7807         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7808         argument of the new enum.
7809         (execute_cse_reciprocals): Add reciprocals for function arguments
7810         on the unique successor edge of the entry block.  Update other calls
7811         to execute_cse_reciprocals_1.
7812
7813 2005-08-08  Richard Henderson  <rth@redhat.com>
7814
7815         PR 22439
7816         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7817
7818 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7819
7820         * expr.c (write_complex_part): Return after handling MEM.
7821
7822 2005-08-08  Josh Conner  <jconner@apple.com>
7823
7824         PR rtl-optimization/23241
7825         * combine.c (simplify_comparison): Fix error in determining
7826         whether to lift a subreg from comparison.
7827
7828 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7829
7830         PR target/18506
7831         * config/rs6000/altivec.md (vec_init<mode>): New.
7832         (vec_set<mode>): New.
7833         (vec_extract<mode>): New.
7834         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7835         (rs6000_expand_vector_set): New.
7836         (rs6000_expand_vector_extract): New.
7837         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7838         for Altivec modes before reload.
7839         (altivec_expand_vec_init_builtin): New.
7840         (get_element_number): New.
7841         (altivec_expand_vec_set_builtin): New.
7842         (altivec_expand_vec_ext_builtin): New.
7843         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7844         builtins.
7845         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7846         builtins.
7847         * config/rs6000/rs6000.h (rs6000_builtins): Add
7848         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7849         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7850         * config/rs6000/rs6000-protos.h: Declare new functions.
7851
7852 2005-08-08  Jan Hubicka  <jh@suse.cz>
7853
7854         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7855         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7856         * i386.md (movdi*): Use pic_32bit_operand.
7857         * predicates.md (pic_32bit_operand): New.
7858
7859 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7860
7861         PR c++/21166
7862         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7863
7864 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7865
7866         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7867         (test_for_singularity): Use fold_build2.
7868
7869 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7870
7871         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7872
7873 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7874
7875         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7876         (COMMON_ASM_OP) Define.
7877         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7878         (ix86_encode_section_info): Likewise.
7879         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7880         SUBTARGET_ENCODE_SECTION_INFO.
7881
7882 2005-08-06  Richard Henderson  <rth@redhat.com>
7883
7884         PR 21894
7885         * tree-nested.c (convert_local_reference): Save and restore val_only
7886         around component_ref and friends.  Clear walk_subtrees by default.
7887
7888 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7889
7890         PR 21366
7891         * gcc.c (process_command): Check the argument to -b has a dash.
7892         * doc/invoke.texi: Update -b and -V docs.
7893
7894 2005-08-06  James E Wilson  <wilson@specifix.com>
7895
7896         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7897
7898 2005-08-06  Michael Matz  <matz@suse.de>
7899
7900         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7901         member only if only one insn is associated with the value.
7902
7903 2005-08-06  Nick Clifton  <nickc@redhat.com>
7904
7905         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7906         New define.
7907         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7908         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7909         Check symbol flags instead of symbol name mangling.
7910         (xstormy16_asm_output_aligned_common): Likewise.  Also
7911         simplify code since the bss100_section cass is the only case
7912         where the below100 code will be triggered.
7913         (xstormy16_encode_section_info): Encode below100 attribute
7914         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7915         the name.
7916         (xstormy16_strip_name_encoding): Delete - this function is no
7917         longer needed.
7918         (TARGET_STRIP_NAME_ENCODING): Undefine.
7919         * config/stormy16/stormy16-protos.h: Delete prototype for
7920         xstormy16_strip_name_encoding.
7921
7922 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7923
7924         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7925         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7926         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7927         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7928         config/alpha/predicates.md, config/arc/arc.h,
7929         config/arm/arm.h, config/arm/ieee754-df.S,
7930         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7931         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7932         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7933         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7934         config/m68hc11/m68hc11.h, config/mips/mips.c,
7935         config/mips/mips.h, config/mips/openbsd.h,
7936         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7937         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7938         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7939         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7940         config/sparc/linux.h, config/sparc/linux64.h,
7941         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7942         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7943         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7944         typos.  Follow spelling conventions.
7945
7946 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7947
7948         PR c/23113
7949         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7950         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7951         specially.  Check for side effects only for COND_EXPR.
7952         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7953         return with TREE_NO_WARNING.
7954
7955 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7956
7957         PR rtl-optimization/23233
7958         * loop.c (combine_movables): Require the modes to be the same.
7959         (move_movables): Remove handling of cases where the replacement
7960         had a different mode to the original.
7961
7962 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7963
7964         PR tree-optimization/23128
7965         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7966         subtraction wrap, and set TREE_OVERFLOW if they do.
7967
7968 2005-08-05  Richard Henderson  <rth@redhat.com>
7969
7970         PR 21728
7971         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7972         FORCED_LABEL labels.
7973
7974 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7975
7976         PR middle-end/23135
7977         * reload.c (find_reloads_subreg_address): Pass down TYPE
7978         unchanged.  Change all callers except find_reloads_toplev.
7979
7980 2005-08-05  Michael Matz  <matz@suse.de>
7981
7982         * genattrtab.c (current_alternative_string): Remove.
7983         (SIMPLIFY_ALTERNATIVE): Ditto.
7984         (attr_alt_bit_p): Ditto.
7985         (alternative_name): Make const char *.
7986         (evaluate_eq_attr): Remove use of above things.
7987         (simplify_test_exp): Ditto.
7988         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7989         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7990
7991 2005-08-04  James E Wilson  <wilson@specifix.com>
7992
7993         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7994         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7995         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7996         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7997         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7998
7999 2005-08-04  Richard Henderson  <rth@redhat.com>
8000
8001         PR 21529
8002         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8003         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8004         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8005         if we'd have to instantiate too many members.
8006
8007 2005-08-04  Richard Henderson  <rth@redhat.com>
8008
8009         PR 21291
8010         * tree-outof-ssa.c (coalesce_asm_operands): New.
8011         (coalesce_ssa_name): Use it.  Split out ...
8012         (coalesce_phi_operands, coalesce_result_decls): ... these.
8013
8014 2005-08-04  Paul Brook  <paul@codesourcery.com>
8015
8016         * read-rtl.c (read_quoted_string): Break if EOF.
8017
8018 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8019
8020         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8021         (fold_build2): Likewise.
8022         (fold_build3): Likewise.
8023         (fold_build1_stat): New function prototype.
8024         (fold_build2_stat): Likewise.
8025         (fold_build3_stat): Likewise.
8026         * fold-const.c (fold_build1): Rename to ..
8027         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8028         through to build1_stat.
8029         (fold_build2): Rename to ..
8030         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8031         through to build2_stat.
8032         (fold_build3): Rename to ..
8033         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8034         through to build3_stat.
8035
8036 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8037             Ian Lance Taylor  <ian@airs.com>
8038
8039         * function.c (assign_stack_local_1): Do not correct stack slot
8040         address if allocation size is smaller than mode size.
8041
8042 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8043
8044         PR 22037
8045         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8046         (tree_merge_blocks): Propagate anything allowed by
8047         may_propagate_copy.
8048         Clarify documentation.
8049         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8050         SSA form, schedule an update if necessary.
8051
8052 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8053
8054         * doc/install.texi (Binaries): Remove broken link to
8055         Sinix/Reliant Unix binaries.
8056
8057 2005-08-03  Richard Henderson  <rth@redhat.com>
8058
8059         PR 23221
8060         * function.c (stack_protect_epilogue): Export.
8061         * tree.h (stack_protect_epilogue): Declare.
8062         * calls.c (expand_call): Call it.
8063
8064 2005-08-03  Eric Christopher  <echristo@apple.com>
8065
8066         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8067         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8068         spec.
8069
8070 2005-08-04  Jan Hubicka  <jh@suse.cz>
8071
8072         * profile.c (branch_prob): Split edges with goto locus on them
8073         to get proper line counts.
8074         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8075
8076 2005-08-03  Paul Brook  <paul@codesourcery.com>
8077
8078         * function.c (assign_parms): Round current_function_args_size
8079         to PARM_BOUNDARY, not STACK_BOUNDARY.
8080
8081 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8082
8083         * config/i386/i386.c (x86_elf_aligned_common)
8084         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8085
8086 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8087
8088         PR tree-optimization/23157
8089         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8090         before emitting them.
8091
8092 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8093
8094         PR tree-optimization/19899
8095         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8096         * tree-scalar-evolution.c: Include real.h.
8097         (add_to_evolution): Build constant -1 of correct type.
8098
8099 2005-08-03  Jan Hubicka  <jh@suse.cz>
8100
8101         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8102         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8103         profile updating for complette unrolling.
8104         * loop-unroll.c (peel_loop_completely): Use it.
8105         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8106         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8107         loops.
8108
8109 2005-08-03  Paul Brook  <paul@codesourcery.com>
8110
8111         * combine.c (can_change_dest_mode): New function.
8112         (try_combine, simplify_set): Use it.
8113
8114 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8115
8116         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8117         TFmode to BLKmode.
8118
8119 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8120
8121         * doc/install.texi (Specific): Adjust link to openavr.org.
8122         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8123         (Binaries): Adjust HP-UX Porting Center link.
8124         (Binaries): Adjust Free Software Foundation ordering link.
8125
8126 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8127
8128         * convert.c (convert_to_integer): Use fold_build1 instead of
8129         build1 when converting an integer to an integer.
8130
8131 2005-08-02  Richard Henderson  <rth@redhat.com>
8132
8133         * combine.c (combine_instructions): Don't use reg_equal/equiv
8134         results if the mode doesn't match.
8135
8136 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8137
8138         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8139         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8140
8141 2005-08-02  Richard Henderson  <rth@redhat.com>
8142
8143         PR 23196
8144         * explow.c (memory_address): Remove special-case for
8145         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8146
8147 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8148
8149         PR 23164
8150         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8151         number of calls to cleanup_tree_cfg_1.
8152
8153 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8154
8155         * doc/invoke.texi: document file extensions .F90 and .F95
8156
8157 2005-08-02  Richard Guenther  <rguenther@suse.de>
8158
8159         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8160         positive if its first argument is positive.
8161
8162 2005-08-02  Richard Guenther  <rguenther@suse.de>
8163
8164         PR tree-optimization/23177
8165         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8166         on TMR_TAG.
8167
8168 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8169
8170         PR tree-optimization/23129
8171         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8172         varying for divisions with anti-ranges.
8173
8174 2005-08-02  Jan Hubicka  <jh@suse.cz>
8175
8176         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8177         * tree-ssa-threadupdate.c (thread_block): Add it here.
8178
8179 2005-08-01  James E Wilson  <wilson@specifix.com>
8180
8181         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8182         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8183         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8184         New.
8185         * config/mips/predicates.md (const_call_insn_operand): Add check for
8186         SYMBOL_REF_LONG_CALL_P.
8187         * doc/extend.texi (long_call): Document the new attribute.
8188
8189 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8190             Richard Henderson  <rth@redhat.com>
8191
8192         * Makefile.in (RTL_BASE_H): Add real.h.
8193         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8194         instead of memcpy.
8195         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8196         directly.
8197         * rtl.c (rtl_check_failed_code_mode): New.
8198         * rtl.h (struct rtx_def): Add u.rv.
8199         (XCMWINT, XCNMPRV): New.
8200         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8201         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8202
8203 2005-08-01  Richard Henderson  <rth@redhat.com>
8204
8205         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8206         with auto-inc codes.
8207
8208         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8209
8210 2005-08-01  Jan Hubicka  <jh@suse.cz>
8211
8212         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8213         * i386.c: Include dwarf2.h
8214         (asm_preferred_eh_data_format): New.
8215         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8216
8217 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8218
8219         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8220         randomize_va_space for virtual address randomization control.
8221
8222 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8223
8224         * common.opt (flag_ipa_cp): Put in right place to maintain
8225         alphabetic sort.
8226
8227 2005-08-01  Jan Hubicka  <jh@suse.cz>
8228
8229         * profile.c (compute_value_histograms): Fix thinko.
8230         * value-prof.c: Include toplev.h
8231         (check_counter): New function.
8232         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8233         tree_mod_subtract_transform): Add sanity check.
8234
8235 2005-08-01  Richard Guenther  <rguenther@suse.de>
8236
8237         PR tree-optimization/23133
8238         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8239         current functions parameter decls to find defs to cse
8240         reciprocals of.
8241
8242 2005-08-01  Richard Guenther  <rguenther@suse.de>
8243
8244         PR tree-optimization/23109
8245         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8246         If trapping math is in effect, use post-dominator information
8247         to check if we'd in any case reach a trapping point before
8248         doing the reciprocal insertion.
8249         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8250         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8251         expressions are invariant only if trapping math is not in effect.
8252
8253 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8254
8255         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8256         cgraph_function_versioning): New declarations.
8257         * cgraphunit.c: Add include to ipa-prop.h.
8258         (update_call_expr, cgraph_copy_node_for_versioning,
8259         cgraph_function_versioning): New functions.
8260         * integrate.c (copy_decl_for_inlining): Remove.
8261         * ipa-prop.h (ipa_replace_map): New struct.
8262         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8263         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8264         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8265         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8266         ipcp_iterate_stage, ipcp_method_scale_print,
8267         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8268         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8269         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8270         ipcp_update_bb_counts, ipcp_update_profiling,
8271         ipcp_update_edges_counts): New functions.
8272         (ipcp_method_cval_init): Remove restriction regarding local methods.
8273         (ipcp_init_stage): Add ipcp_method_compute_scale.
8274         (ipcp_insert_stage): Add versioning.
8275         (ipcp_structures_print): Add ipcp_method_scale_print.
8276         (ipcp_driver): Dump profiling info.
8277         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8278         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8279         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8280         (struct inline_data): Add versioning_p, ipa_info, new fields.
8281         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8282         declare_return_variable): Replace calls to copy_decl_for_inlining with
8283         copy_decl_for_dup.
8284         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8285         versioning support.
8286         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8287         Add argument VERSIONING.
8288         (copy_arguments_for_versioning, copy_static_chain,
8289         function_versionable_p, tree_versionable_function_p,
8290         tree_function_versioning, replace_ref_tree): New functions.
8291         * tree-inline.h: Include varray.h.
8292         (tree_versionable_function_p,  tree_function_versioning,
8293         tree copy_decl_for_dup): New declarations.
8294
8295 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8296
8297         * ipa-cp.c: New file. Contains IPCP specific functionality.
8298         * ipa-prop.h: New file. Contains structures/definitions that can be
8299         used by several interprocedural data flow optimizations (and also IPCP).
8300         * ipa-prop.c: New file.
8301         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8302         * common.opt: Add ipa-cp flag.
8303         * timevar.def: Add IPCP optimization.
8304         * tree-optimize.c (init_tree_optimization_passes): Schedule
8305         pass_ipa_cp.
8306         * tree-pass.h (pass_ipa_cp): Declare.
8307
8308 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8309
8310         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8311         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8312         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8313         config/i386/i386.c, config/mips/mips.h,
8314         config/rs6000/rs6000.h, config/sh/sh.c,
8315         config/stormy16/stormy16.c: Fix comment typos.
8316
8317 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8318
8319         PR c/22311
8320         * c-typeck.c (build_binary_op): Use common_type wrapper on
8321         shortened types.
8322         (common_type): Update comment.
8323
8324 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8325
8326         PR target/23095
8327         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8328         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8329         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8330
8331 2005-07-31  Jan Hubicka  <jh@suse.cz>
8332
8333         * pretty-print.h (pp_widest_integer): New macro.
8334         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8335         counts.
8336
8337 2005-07-31  Jan Hubicka  <jh@suse.cz>
8338
8339         * output.h (enum section_category): Export from varasm.c
8340         (categorize_decl_for_section): Likewise.
8341         * varasm.c (enum section_category): Kill.
8342         (categorize_decl_for_section): Make global.
8343         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8344         Declare.
8345         * i386.c (ix86_section_threshold): New static variable.
8346         (ix86_in_large_data_p, ix86_encode_section_info,
8347         x86_64_elf_unique_section,
8348         x86_64_elf_select_section): New functions.
8349         (TARGET_ENCODE_SECTION_INFO): Define
8350         (override_options): Enable medium model for PIC.
8351         (ix86_expand_prologue): Expand gen_set_got_rex64.
8352         (legitimate_constant_p): Handle new UNSPECs.
8353         (legitimate_pic_address_disp_p): Likewise.
8354         (legitimize_pic_address): Lower MEDIUM model addressing.
8355         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8356         (enum cmodel): Add MEDIUM_PIC.
8357         (SYMBOL_REF_FAR_ADDR_P): New macro.
8358         (SYMBOL_FLAG_FAR_ADDR): New flag.
8359         * i386.md (movdi): Support medium model.
8360         (set_got_rex64): New pattern.
8361         * i386.opt (mlarge-data-threshold): New flag.
8362         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8363         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8364         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8365         TARGET_ASM_UNIQUE_SECTION): New.
8366
8367         * invoke.texi (-mlarge_data_threshold): Document
8368
8369 2005-07-31  Jan Hubicka  <jh@suse.cz>
8370
8371         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8372         (coalesce_vars): Likewise.
8373         * tree-ssa-live.c (coalesce_cost): New.
8374         (build_tree_conflict_graph): Use coalesce_cost.
8375         * tree-ssa-live.h (coalesce_cost): Declare.
8376
8377 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8378
8379         * arm.md (all peepholes for post-increment operations): Delete.
8380         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8381         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8382         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8383         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8384         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8385
8386 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8387
8388         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8389         non-integral types.
8390
8391 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8392
8393         PR target/22582
8394         * doc/invoke.texi: Document -rdynamic.
8395
8396 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8397
8398         PR c/23143
8399         * c-parser.c (c_parser_parms_list_declarator): Call
8400         mark_forward_parm_decls.
8401         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8402         decls with visibility structure.
8403
8404 2005-07-30  Paul Brook  <paul@codesourcery.com>
8405
8406         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8407
8408 2005-07-30  Paul Brook  <paul@codesourcery.com>
8409
8410         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8411         prototype.
8412         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8413         value for mode.
8414         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8415
8416 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8417
8418         PR c/529
8419         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8420         nested function declarators.
8421         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8422         (grokparms): Call warn_if_shadowing for parameters used within the
8423         parameter list.
8424         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8425         not used within the parameter list.
8426         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8427
8428 2005-07-30  Jan Hubicka  <jh@suse.cz>
8429
8430         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8431         * i386.c (ix86_fixup_binary_operands): Likewise.
8432         (ix86_expand_unary_operator): Likewise.
8433         (ix86_expand_fp_absneg_operator): Likewise.
8434         * optabs.c (expand_vec_cond_expr): Validate dest.
8435
8436 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8437
8438         PR c/21720
8439         * real.c (real_from_string): Also set last bit if there is a
8440         nonzero hex digit beyond GCC's internal precision after ".".
8441
8442 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8443
8444         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8445         define_constants.  Change duplicate values to unassigned numbers.
8446         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8447         (*altivec_vspltsf): New.
8448         (altivec_vperm_v4sf): Delete.
8449         (altivec_vperm_<mode>): Use mode macro V.
8450         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8451         (altivec_predicate_v4sf): Delete.
8452         (altivec_predicate_<mode>): Use mode macro V.
8453         (*altivec_lvesfx): New.
8454         (*altivec_stvesfx): New.
8455         (vec_realign_load_v4sf): Delete.
8456         (vec_realign_load_<mode>): Use mode macro V.
8457         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8458         UNSPECV_SET_VRSAVE.
8459
8460 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8461
8462         PR bootstrap/23131
8463         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8464         string.
8465         * configure: Regenerated.
8466
8467 2005-07-29  Paul Brook  <paul@codesourcery.com>
8468
8469         * doc/install.texi: Add link to GFortran binaries wiki page.
8470
8471 2005-07-29  David Ung  <davidu@mips.com>
8472
8473         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8474         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8475         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8476         * config/mips/mips.md (cpu): Add 5kf name.
8477         (includes): Includes 5k.md.
8478         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8479         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8480         -march flag.
8481
8482 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8483
8484         PR 22550
8485         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8486         (cleanup_tree_cfg): ... here.
8487         Call cleanup_tree_cfg_1 until there are no more cleanups to
8488         do.
8489
8490 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8491
8492         * tree-vrp.c (compare_range_with_value): Return true or false
8493         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8494         EQ_EXPR respectively.
8495
8496 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8497
8498         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8499         Fix comment typos.
8500
8501 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8502
8503         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8504         (tree_ssa_dominator_optimize): Increment it.
8505         (dump_dominator_optimization_stats): Print it.
8506
8507 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8508             Steven Bosscher  <stevenb@suse.de>
8509
8510         PR rtl-optimization/23117
8511         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8512         when head == tail.  Tidy comment.
8513
8514 2005-07-28  Richard Henderson  <rth@redhat.com>
8515
8516         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8517         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8518         * jump.c (rtx_renumbered_equal_p): Likewise.
8519         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8520         CONST_INT and CONST_DOUBLE.
8521         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8522         * reload.c (operands_match_p): Special case CONST_INT and
8523         CONST_DOUBLE; check mode earlier.
8524
8525 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8526
8527         PR c/22240
8528         * c-typeck.c (convert_for_assignment): Do not check
8529         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8530
8531 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8532
8533         PR c/22192
8534         * c-typeck.c (composite_type): Prefer constant size arrays to
8535         VLAs.
8536
8537 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8538
8539         PR c/21720
8540         * real.c (real_from_string): Set last bit if there is a nonzero
8541         hex digit beyond GCC's internal precision.
8542
8543 2005-07-28  Richard Henderson  <rth@redhat.com>
8544
8545         PR rtl-opt/22619
8546         * cfgcleanup.c (try_forward_edges): Watch out for end of
8547         insn chain.
8548
8549 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8550
8551         PR c/23106
8552         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8553
8554 2005-07-28  Jan Hubicka  <jh@suse.cz>
8555
8556         * Makefile.in (rtl-profile.o): Kill all traces of it.
8557         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8558         * coverage.h (rtl_coverage_counter_ref): Kill.
8559         * opts.c (flag_speculative_prefetching_set): Kill.
8560         (flag_loop_optimize_set): New.
8561         (common_handle_option): Disable loop optimizer when profiling;
8562         do not handle speculative prefetching.
8563         * passes.c (init_optimization_passes): Replace pass_profiling combo
8564         by branch_prob pass.
8565         * profile.c (compute_value_histograms): Update for simplified value
8566         profiles.
8567         (rtl_register_profile_hooks): Kill.
8568         (pass_profiling): Kill.
8569         (rest_of_handle_branch_prob): Do not profile.
8570         * toplev.c (process_options): Remove speculative prefetching.
8571         * toplev.h (flag_tree_based_profiling): Kill.
8572         * tree-profile.c (prepare_instrumented_value,
8573         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8574         tree_gen_one_value_profiler, do_tree_profiling): Update for
8575         simplified datastructures.
8576         * value-prof.c: Add comment that speculative prefetching was dropped;
8577         update rest of file for simplified datastructures.
8578         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8579         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8580         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8581         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8582         rtl_mod_subtract, gen_speculative_prefetch,
8583         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8584         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8585         (gate_handle_value_profile_transformations,
8586         rest_of_handle_value_profile_transformations,
8587         pass_value_profile_transformations): Kill.
8588         * value-prof.h (histogram_value_t): Remove IL based unions.
8589         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8590         rtl_profile_hooks): Remove hooks.
8591
8592         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8593
8594         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8595         (cgraph_clone_node): Likewise.
8596         * cgraph.h (cgraph_clone_edge): Update prototype.
8597         (cgraph_clone_node): Likewise.
8598         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8599         cgraph_clone_node.
8600         (lookup_recursive_calls): Consider profile.
8601         (cgraph_decide_recursive_inlining): Fix updating; use new
8602         probability argument; use profile.
8603         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8604         * tree-inline.c (copy_bb): Update clal of clone_edge.
8605         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8606
8607         * invoke.texi (min-inline-recursive-probability): Document.
8608
8609 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8610
8611         * doc/install.texi (Configuration): Update Valgrind homepage.
8612
8613 2005-07-28  Richard Henderson  <rth@redhat.com>
8614
8615         PR middle-end/21362
8616         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8617         labels we want to delete.
8618         (cfg_layout_merge_blocks): Likewise.
8619
8620 2005-07-28  Richard Henderson  <rth@redhat.com>
8621
8622         PR target/17692
8623         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8624         when expanding to nothing.
8625
8626 2005-07-28  Josh Conner  <jconner@apple.com>
8627
8628         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8629         (cgraph_decide_inlining_of_small_functions): Likewise.
8630
8631 2005-07-28  Josh Conner  <jconner@apple.com>
8632
8633         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8634         direction of badness if negative.
8635         (cgraph_default_inline_p): Add reason to parameters, and assign it
8636         a value.
8637         (cgraph_decide_inlining_of_small_functions): New parameter in call
8638         to cgraph_default_inline_p.
8639         (cgraph_decide_inlining_incrementally): Likewise.
8640         * cgraphunit.c (decide_is_function_needed): Likewise.
8641         * cgraph.h (cgraph_default_inline_p): Likewise.
8642
8643 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8644
8645         * builtins.c: Fix comment typo(s).
8646         * genautomata.c: Likewise.
8647         * gimplify.c: Likewise.
8648         * tree-dfa.c: Likewise.
8649         * tree-flow-inline.h: Likewise.
8650         * tree-into-ssa.c: Likewise.
8651         * tree-ssa-alias.c: Likewise.
8652         * tree-ssa-ccp.c: Likewise.
8653         * tree-ssa-copy.c: Likewise.
8654         * tree-ssa-dce.c: Likewise.
8655         * tree-ssa-dom.c: Likewise.
8656         * tree-ssa-operands.c: Likewise.
8657         * tree-tailcall.c: Likewise.
8658         * tree-vectorizer.c: Likewise.
8659         * tree-vrp.c: Likewise.
8660         * tree.c: Likewise.
8661
8662 2005-07-28  Jeff Law  <law@redhat.com>
8663
8664         * tree-vrp.c (test_for_singularity): Extracted from  ...
8665         (simplify_cond_using_ranges): Attempt to simplify a relational
8666         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8667
8668 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8669
8670         PR tree-optimization/22506
8671         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8672         phis whose argument is constant.
8673
8674 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8675
8676         PR rtl-optimization/18992
8677         Back out this patch:
8678           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8679           PR optimization/12142
8680           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8681           uses of the register in the SET_SRC.  Remove unnecessary argument.
8682
8683         Replace it with this:
8684         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8685         if flag_non_call_exceptions is set and the insn may trap, pass
8686         pc_rtx as dest for recursion.
8687         In SET_SRC part of SET case, if dest is already set, pass it down
8688         unchanged.
8689
8690 2005-07-28  Jan Hubicka  <jh@suse.cz>
8691
8692         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8693         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8694         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8695         roundoff errors.
8696         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8697         profile when available.
8698
8699 2005-07-28  Jan Beulich <jbeulich@novell.com>
8700
8701         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8702         (ia64_print_operand): Describe and handle 'X'.
8703         (ia64_register_move_cost): Also handle FP_REGS.
8704         (ia64_preferred_reload_class): Likewise.
8705         (ia64_secondary_reload_class): Likewise.
8706         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8707         it. Also check for ITANIUM_CLASS_FLDP.
8708         * config/ia64/ia64.h (FP_REGNO_P): New.
8709         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8710         (reg_class): Add FP_REGS.
8711         (REG_CLASS_NAMES): Adjust for it.
8712         (REG_CLASS_CONTENTS): Likewise.
8713         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8714         (REG_CLASS_FROM_LETTER): Handle 'x'.
8715         (CLASS_MAX_NREGS): Handle FP_REGS.
8716         (MEMORY_MOVE_COST): Likewise.
8717         * config/ia64/ia64.md (itanium_class): Add fldp.
8718         (type): Handle fldp.
8719         (movti_internal): More allowable operand combinations. Use ldfp8 when
8720         splitting unnecessary. Remove predicable attribute. Adjust
8721         itanium_class attribute.
8722         (smuldi3_highpart): Remove outdated comment.
8723         (mulditi3, umulditi3, rotlti3): New expanders.
8724         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8725         (absti2): Disabled new insn for future reference.
8726         Respective new splitters.
8727         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8728         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8729         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8730
8731 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8732
8733         PR rtl-optimization/23047
8734         * simplify-rtx.c (simplify_const_relational_operation): Respect
8735         flag_wrapv for comparisons with ABS.
8736
8737 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8738
8739         PR tree-optimization/22493
8740         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8741         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8742
8743 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8744
8745         * config/frv/frv.opt (moptimize-membar): New.
8746
8747         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8748
8749         * config/frv/frv.h: Remove machine_function definition.
8750
8751         * config/frv/frv.c (struct frv_io): New.
8752         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8753         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8754         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8755         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8756         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8757         (frv_reorg): Call frv_optimize_membar when appropriate.
8758         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8759         (frv_expand_builtin): Adjust calls accordingly.
8760         (frv_io_address_cookie): New function.
8761         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8762         load or store rather than a special insn.  Add ccnstant address and
8763         io-type operands to the membar.
8764         (frv_ifcvt_modify_tests): Unsign regno.
8765         (frv_ifcvt_modify_tests): Same.
8766
8767         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8768         UNSPEC_OPTIONAL_MEMBAR constant.
8769         (builtin_read_<mode>): Delete.
8770         (builtin_write_<mode>): Delete.
8771         ("optional_membar_<mode>"): Add operand.
8772
8773         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8774         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8775         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8776         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8777         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8778         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8779         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8780         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8781         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8782
8783 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8784
8785         * df.c (df_uses_record): Handle SCRATCH.
8786
8787 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8788
8789         PR debug/20161
8790         * passes.c (rest_of_decl_compilation): If decl is a type and
8791         we have encountered errors, don't emit debug information.
8792
8793 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8794
8795         * params.def: Fixed comment.
8796
8797 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8798
8799         PR target/19885
8800         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8801         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8802         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8803
8804 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8805
8806         PR c++/22003
8807         * varasm.c (assemble_start_function): Don't do anything that may
8808         require a CFG if the current function is a thunk.
8809
8810 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8811
8812         * doc/install.texi (Prerequisites): Mention that perl is needed
8813         to do export control in libstdc++ targetting Darwin.
8814
8815 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8816
8817         PR rtl-optimization/17808
8818         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8819         (sched_insns_conditions_mutex_p): Split out from...
8820         (add_dependence): ...here.  But don't call it from here.
8821         (add_dependence_list): Check sched_insns_conditions_mutex_p
8822         before calling add_dependence.
8823         (add_dependence_list_and_free): Likewise.
8824         (fixup_sched_groups): Likewise.
8825         (sched_analyze_1): Likewise.
8826         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8827         (sched_analyze): Likewise.
8828         (sched_analyze_insn): Likewise.
8829         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8830         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8831         dependencies on all COND_EXEC insns to jumps ending basic blocks
8832         when doing intrablock scheduling.
8833         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8834
8835 2005-07-27  Jeff Law  <law@redhat.com>
8836
8837         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8838         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8839         equivalency sets, correctly handle the case were vr0 has an
8840         equivalency set, but vr1 does not.
8841
8842 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8843
8844         PR tree-optimization/23073
8845         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8846         vect_print_dump_info before fprintf.
8847
8848 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8849
8850         PR tree-optimize/22348
8851         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8852         Fold the partial computation.
8853
8854 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8855
8856         PR tree-optimization/22325
8857         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8858         Declare.
8859         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8860         value replacement.
8861         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8862         (force_var_cost): ... this function.
8863         (compute_phi_arg_on_exit): Export.
8864
8865 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8866
8867         PR tree-optimization/20773
8868         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8869         edge.
8870
8871 2005-07-27  Richard Guenther  <rguenther@suse.de>
8872
8873         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8874         Avoid pushing again if current struct contains only
8875         fields we decomposed.
8876
8877 2005-07-27  Jan Hubicka  <jh@suse.cz>
8878
8879         PR tree-optimization/22574
8880         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8881         not available.
8882
8883         * tree-tailcall.c (decrease_profile): New function.
8884         (eliminate_tail_call): Use it.
8885
8886         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8887         visibility flags correctly in whole program mode.
8888
8889 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8890
8891         PR rtl-optimization/22472
8892         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8893
8894 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8895
8896         PR tree-optimization/22504
8897         * tree-complex.c (expand_complex_addition): Use 'code' instead
8898         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8899
8900 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8901
8902         * config.gcc (cpu_type): Add frv case.
8903         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8904         (supported_defaults): Add fr550 case.
8905
8906 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8907
8908         PR 22591
8909         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8910         whether a pointer of type T * may point to objects of type T *.
8911
8912 2005-07-26  DJ Delorie  <dj@redhat.com>
8913
8914         * configure: Regenerate.
8915
8916 2005-07-26  Dale Johannesen  <dalej@apple.com>
8917
8918         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8919
8920 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8921
8922         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8923         Clarify use of "build" in name.
8924
8925 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8926
8927         * doc/extend.texi (Raw read/write Functions): New section.
8928         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8929         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8930         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8931         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8932         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8933         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8934         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8935         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8936         * config/frv/frv.c: Add bdesc_loads global.
8937         Add bdesc_stores global.
8938         (frv_init_builtins): Add support for __builtin_{read/write}*.
8939         (frv_volatile_memref): New.
8940         (frv_expand_load_builtin): New.
8941         (frv_expand_store_builtin): New.
8942         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8943         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8944         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8945         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8946         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8947         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8948         (builtin_read_<mode>): New.
8949         (builtin_write_<mode>): New.
8950         (builtin_write64): New.
8951         (optional_membar_<mode>): New.
8952
8953 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8954
8955         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8956         (rather than units) against HOST_BITS_PER_WIDE_INT.
8957
8958 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8959
8960         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8961         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8962         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8963         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8964         FSF address.
8965
8966         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8967         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8968         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8969         comment typos.
8970         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8971
8972 2005-07-26  Richard Guenther  <rguenther@suse.de>
8973
8974         PR tree-optimization/22486
8975         * fold-const.c (fold_unary): Fold away useless component
8976         references of the form (T *)&T.x, if the address
8977         doesn't change.
8978
8979 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8980
8981         * dwarf2out.c (add_call_src_coords_attributes): New.
8982         (gen_inlined_subroutine_die): Call it.
8983         (maybe_emit_file, init_file_table): Add comments.
8984         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8985         maybe_emit_file.
8986         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8987         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8988         * tree.h (BLOCK_SOURCE_LOCATION): New.
8989         (struct tree_block): New field locus.
8990
8991 2005-07-26  Andreas Schwab  <schwab@suse.de>
8992
8993         PR rtl-optimization/23043
8994         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8995         when allocating a struct unoccr.
8996
8997 2005-07-25  Richard Henderson  <rth@redhat.com>
8998
8999         PR 22626
9000         * tree-complex.c (gate_no_optimization): True if errors.
9001         * Makefile.in (tree-complex.o): Update dependencies.
9002
9003 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9004
9005         * config/frv/predicates.md (integer_register_operand): Use
9006         GPR_AP_OR_PSEUDO_P.
9007
9008 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9009
9010         PR tree-opt/22484
9011         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9012         after fold.
9013         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9014
9015 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9016
9017         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9018         types when flag_unsafe_math_optimizations is true.
9019
9020 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9021
9022         * gcc.c (option_map): Add --sysroot.
9023         (process_command): Handle --sysroot.
9024         (display_help): Document it.
9025         * doc/cppopts.tex (-isysroot): Document.
9026         * doc/invoke.texi (--sysroot): Document.
9027         * doc/install.texi (--with-build-sysroot): Document.
9028
9029         * Makefile.in (inhibit_libc): New variable.
9030         (INHIBIT_LIBC_CFLAGS): Likewise.
9031         (LIBGCC2_CFLAGS): Include
9032         $(INHIBIT_LIBC_CFLAGS).
9033         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9034         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9035         ($(T)crtend.o): Likewise.
9036         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9037         ($(T)crtendS.o): Likewise.
9038         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9039         ($(T)crtendT.o): Likewise.
9040         (stmp-fixinc): Do not complain about missing headers if
9041         inhibit_libc.
9042         * configure.ac (inhibit_libc): Set it to true/false.
9043         (--with-build-sysroot): New option.  Use it to set
9044         SYSTEM_HEADER_DIR.
9045         * configure: Regenerated.
9046
9047 2005-07-25  Manfred Hollstein  <mh@suse.com>
9048
9049         * calls.c (store_one_arg): Fix unsigned comparison warning.
9050
9051 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9052
9053         PR other/22337
9054         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9055         (ggc_print_statistics): Initialize variable before use.
9056
9057 2005-07-25  Richard Guenther  <rguenther@suse.de>
9058
9059         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9060         calling with a PHI_NODE argument.
9061
9062         * tree-flow-inline.h (overlap_subvar): Protect against
9063         possible overflow.
9064
9065 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9066
9067         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9068         * configure: Regenerate.
9069
9070 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9071
9072         * expr.c (highest_pow2_factor): Make extern.
9073         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9074         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9075         record_array_differ_p, array_ptr_differ_p): Likewise.
9076         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9077         additional cases. Call the above functions.
9078         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9079         base_object_differ_p when there are two base objects. Otherwise, compare
9080         base address and offset. Call may_alias_p.
9081         (dump_data_reference): Use a correct field name.
9082         (analyze_array): Make static. Initialize new data-ref fields.
9083         (analyze_indirect_ref): New function.
9084         (init_data_ref): Initialize new data-ref fields.
9085         (strip_conversion): Moved from tree-vect-analyze.c.
9086         (analyze_offset_expr, get_ptr_offset, address_analysis,
9087         object_analysis): Likewise.
9088         (analyze_offset): New function.
9089         (create_data_ref): Likewise.
9090         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9091         dimensions for ARRAY_REFs only.
9092         (build_classic_dist_vector): Make static.
9093         (access_functions_are_affine_or_constant_p): Call macro to get the
9094         address of access functions.
9095         (compute_all_dependences): Add new parameter
9096         compute_self_and_read_read_dependences. Compute self and read-read
9097         dependences if it is true.
9098         (find_data_references_in_loop): Call create_data_ref. Initialize new
9099         data-ref fields.
9100         (compute_data_dependences_for_loop): Add new parameter
9101         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9102         compute nb_loops. Call compute_all_dependences,
9103         build_classic_dist_vector and build_classic_dir_vector with correct
9104         parameters.
9105         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9106         with correct parameters. Compare dimensions for ARRAY_REFs only.
9107         (free_data_refs): Call macro to free access functions.
9108         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9109         fields from stmt_vinfo.
9110         (struct base_object_info): New structure.
9111         (struct data_reference): Move fields to base_object_info. Add fields
9112         first_location and object_info for above structures. Move fields from
9113         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9114         aligned_to.  Add macros to access the new fields.
9115         Update functions declarations.
9116         * tree-flow.h (is_aliased_with): Declare.
9117         * tree-loop-linear.c (linear_transform_loops): Call
9118         compute_data_dependences_for_loop with correct parameters.
9119         * tree-ssa-alias.c (is_aliased_with): New function.
9120         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9121         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9122         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9123         vect_base_addr_differ_p, compute_subscript_distance and
9124         build_classic_dist_vector. Add printings. Check absolute value of
9125         distance.
9126         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9127         data-refs.
9128         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9129         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9130         to bytes. Add printing.
9131         (vect_compute_data_refs_alignment): Go through loads and stores in one
9132         loop.
9133         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9134         vect_analyze_data_ref_access): Likewise.
9135         (vect_analyze_pointer_ref_access): Remove.
9136         (vect_address_analysis, vect_object_analysis): Likewise.
9137         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9138         and analyze data-refs in the loop.
9139         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9140         fields of data-ref instead of stmt. Add init to the offset from the
9141         base.
9142         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9143         (vect_update_init_of_dr): Likewise.
9144         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9145         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9146         removed fields.
9147         (new_loop_vec_info): Initialize new fields.
9148         (destroy_loop_vec_info): Free new fields.
9149         (vect_strip_conversion): Remove.
9150         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9151         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9152         datarefs. Add new field ddrs.
9153         Add macros for the new fields access.
9154         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9155         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9156         Remove their macros.
9157         * tree.h (highest_pow2_factor): Declare.
9158
9159 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9160
9161         * calls.c (store_one_arg): Check for sibling call MEM arguments
9162         from already clobbered incoming argument area.
9163
9164 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9165
9166         * c-common.c (check_missing_format_attribute): New.
9167         * c-common.h (check_missing_format_attribute): Likewise.
9168         * c-typeck.c (convert_for_assignment): Use it.
9169
9170 2005-07-24  Andreas Schwab  <schwab@suse.de>
9171
9172         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9173         register use a word move.  Correct operand of ext.w in 68000 code.
9174
9175 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9176
9177         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9178         variables as declarations, rather than definitions.
9179
9180 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9181
9182         PR tree-optimization/22526
9183         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9184         of the zero node.
9185
9186 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9187
9188         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9189         that C99 reserve for future use. Use it to define clog10,
9190         clog10f and clog10l.
9191
9192 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9193
9194         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9195         * configure.ac: Check for -Wmissing-format-attribute.
9196
9197         * configure: Regenerate.
9198
9199 2005-07-23  Richard Henderson  <rth@redhat.com>
9200
9201         PR tree-optimization/22623
9202         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9203
9204 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9205
9206         PR target/22577
9207         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9208
9209 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9210
9211         * Makefile.in (C_TREE_H): Update dependencies.
9212         * c-tree.h: Include toplev.h.
9213         * diagnostic.h (diagnostic_set_info): Add format attribute.
9214         * rtl-error.c (diagnostic_for_asm): Likewise.
9215
9216 2005-07-23  Chao-ying Fu  <fu@mips.com>
9217
9218         * config/mips/mips-dsp.md: New file.
9219         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9220         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9221         functions.
9222         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9223         MIPS_BUILTIN_BPOSGE32.
9224         (mips_expand_builtin_direct): Add one parameter to indicate that
9225         builtin functions need to return a value.
9226         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9227         functions.
9228         (mips_regno_to_class): Add classes for 12 new DSP registers.
9229         (mips_subword): Change to check four HI registers.
9230         (mips_output_move): Output move to and from 6 new DSP accumulators.
9231         (override_options): Make sure -mdsp and -mips16 are not used together.
9232         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9233         for machine modes.
9234         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9235         when !TARGET_DSP.
9236         (print_operand): Add 'q' for printing DSP accumulators.
9237         (mips_cannot_change_mode_class): Check ACC_REGS.
9238         (mips_secondary_reload_class): Check ACC_REGS.
9239         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9240         (mips_register_move_cost): Check ACC_REGS.
9241         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9242         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9243         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9244         (dsp_bdesc): New array.
9245         (bdesc_arrays): Add DSP builtin function table.
9246         (mips_prepare_builtin_arg): Check predicate again after
9247         copy_to_mode_reg.
9248         (mips_expand_builtin): Add one more parameter to
9249         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9250         MIPS_BUILTIN_BPOSGE32.
9251         (mips_init_builtins): Initialize new function types.
9252         (mips_expand_builtin_direct): Check if builtin functions need to
9253         return a value and pass operands properly.
9254         (mips_expand_builtin_bposge): New function.
9255         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9256         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9257         (FIRST_PSEUDO_REGISTER): Increase to 188.
9258         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9259         Update for 12 new DSP registers.
9260         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9261         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9262         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9263         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9264         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9265         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9266         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9267         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9268         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9269         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9270         (REGISTER_NAMES): Add names for 12 new DSP registers.
9271         * config/mips/mips.md: Include mips-dsp.md.
9272         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9273         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9274         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9275         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9276         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9277         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9278         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9279         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9280         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9281         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9282         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9283         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9284         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9285         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9286         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9287         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9288         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9289         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9290         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9291         (UNSPEC_RDDSP): New constants.
9292         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9293         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9294         A<-d alternative.
9295         * config/mips/mips.opt (-mdsp): New option.
9296         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9297         (reg_imm10_operand): New predicates.
9298         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9299         * doc/invoke.texi (-mdsp): Document new option.
9300
9301 2005-07-22  DJ Delorie  <dj@redhat.com>
9302
9303         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9304         to warning calls.
9305         * tree-inline.c (inlinable_function_p): Likewise.
9306
9307 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9308
9309         PR debug/21828
9310         * toplev.c (check_global_declarations): Do not mark undefined
9311         variables as DECL_IGNORED_P.
9312         * varasm.c (first_global_object_name): GTY it.
9313         (weak_global_object_name): Likewise.
9314         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9315         a string to go into {weak,first}_global_object_name.
9316
9317 2005-07-22  DJ Delorie  <dj@redhat.com>
9318
9319         * c-format.c (check_function_format): Change warning control
9320         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9321
9322 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9323
9324         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9325         &PTR->FLD a dereference of PTR.
9326         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9327         a potential dereference of PTR.
9328
9329 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9330
9331         PR rtl-optimization/20370
9332         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9333         call allocate_reg_info if necessary.
9334
9335         PR rtl-optimization/21848
9336         * calls.c (emit_library_call_value_1): For const functions, add
9337         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9338
9339         PR rtl-optimization/22445
9340         * cselib.c (target.h): Include.
9341         (rtx_equal_for_cselib_p): Allow commutative matches.
9342         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9343         Remove MODE parameter.  Changed all callers.
9344
9345         PR rtl-optimization/22258
9346         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9347         New functions.
9348         (try_combine): Use likely_spilled_retval_p.
9349
9350 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9351
9352         * config.gcc: Add crx-elf support.
9353
9354         * doc/contrib.texi: Mention crx.
9355         * doc/extend.texi: Document crx extensions.
9356         * doc/install.texi: Document crx install.
9357         * doc/invoke.texi: Document crx options.
9358         * doc/md.texi: Document crx constraints.
9359
9360         * config/crx/crx-protos.h: New file.
9361         * config/crx/crx.c: New file.
9362         * config/crx/crx.h: New file.
9363         * config/crx/crx.md: New file.
9364         * config/crx/crx.opt: New file.
9365         * config/crx/t-crx: New file.
9366
9367 2005-07-22  Manfred Hollstein  <mh@suse.com>
9368
9369         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9370         warnings.
9371         (int_add_graph_edge): Likewise.
9372         (collapse_nodes): Likewise.
9373         (process_unification_queue): Likewise.
9374
9375 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9376             Laurent GUERBY  <laurent@guerby.net>
9377
9378         PR tree-optimization/22336
9379         * function.c (record_block_change): Check for
9380         cfun->ib_boundaries_block.
9381
9382 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9383
9384         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9385         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9386
9387 2005-07-21  DJ Delorie  <dj@redhat.com>
9388
9389         * toplev.c (warn_deprecated_use): Add warning control to warning
9390         call.
9391         * c-typeck.c (parser_build_binary_op): Likewise.
9392         (c_finish_if_stmt): Likewise.
9393         * c-common.c (check_function_sentinel): Likewise.
9394         (check_nonnull_arg): Likewise.
9395
9396 2005-07-21  Richard Henderson  <rth@redhat.com>
9397
9398         PR tree-opt/22504
9399         * tree-complex.c (complex_ssa_name_components): New.
9400         (cvc_lookup): Allow entry not found.
9401         (create_components): Remove.
9402         (create_one_component_var, get_component_var): New.
9403         (get_component_ssa_name, set_component_ssa_name): New.
9404         (extract_component): Use get_component_ssa_name.
9405         (update_complex_components): Use set_component_ssa_name.
9406         (update_complex_components_on_edge): Likewise.
9407         (update_phi_components): Create new PHI nodes directly, instead
9408         of adding insns to edges.
9409         (tree_lower_complex): Allocate and free complex_variable_components
9410         and complex_ssa_name_components here.
9411
9412 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9413
9414         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9415         revert to returning false.
9416
9417 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9418
9419         PR target/21149
9420         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9421
9422 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9423
9424         PR target/22576
9425         * config/i386/i386.md (cmpxf): Change operand constraints
9426         to "nonmemory_operand".
9427
9428 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9429
9430         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9431
9432 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9433
9434         PR middle-end/21180
9435         * fold-const.c (fold_build1): Add checksum for the operands.
9436         (fold_build2): Likewise.
9437         (fold_build3): Likewise.
9438
9439 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9440
9441         PR middle-end/19055
9442         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9443
9444 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9445
9446         * common.opt (-fforward-propagate): Committed by mistake,
9447         removed.
9448
9449 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9450
9451         * reg-stack.c: Fix comment typo(s).
9452         * tree-ssa-operands.c: Likewise.
9453         * tree-vectorizer: Likewise.
9454
9455 2005-07-21  Nick Clifton  <nickc@redhat.com>
9456
9457         * config/sh/symbian.c: Replace C++ style line comments with C
9458         style line comments.
9459         (symbian_add_attribute): Do not use a ? operator on the LHS of
9460         an assignment.
9461         (sh_symbian_handle_dll_attribute): Change the type of the
9462         method vector to "VEC(tree,gc)*" and use vector accessor
9463         macros to walk over the elements.
9464         (symbian_export_vtable_and_rtti_p): Likewise.
9465         (symbian_class_needs_attribute_p): Likewise.
9466
9467 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9468
9469         PR target/22085
9470         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9471         initialize targetm.resolve_overloaded_builtin here.
9472         (altivec_expand_overloaded_builtin): Make it non-static.
9473         * config/rs6000/rs6000-protos.h
9474         (altivec_expand_overloaded_builtin): New prototype.
9475         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9476         targetm.resolve_overloaded_builtin here.
9477         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9478
9479 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9480             Zdenek Dvorak  <dvorakz@suse.cz>
9481
9482         PR tree-optimization/19210
9483         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9484         New.
9485         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9486         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9487         rely on unproven assumptions.
9488         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9489         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9490         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9491         to number_of_iterations_exit.
9492         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9493         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9494         * tree-ssa-loop-niter.c (find_loop_niter,
9495         estimate_numbers_of_iterations_loop): Likewise.
9496         (number_of_iterations_exit): Honor the new options.
9497         * doc/invoke.texi (Wunsafe-loop-optimizations,
9498         funsafe-loop-optimizations): Document them.
9499
9500 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9501
9502         PR rtl-optimization/22167
9503         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9504
9505 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9506
9507         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9508         __do_global_dtors_aux longcall.
9509
9510 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9511
9512         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9513         (old_special_pred_table): Don't reference
9514         SPECIAL_MODE_PREDICATES.
9515         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9516         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9517         * config/sh/predicates.h: Don't mention
9518         SPECIAL_MODE_PREDICATES.
9519         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9520         Remove.
9521
9522 2005-07-20  DJ Delorie  <dj@redhat.com>
9523
9524         * config.gcc: Add m32c-elf support.
9525
9526         * doc/contrib.texi: Mention m32c.
9527         * doc/extend.texi: Document m32c extensions.
9528         * doc/install.texi: Mention m32c.
9529         * doc/invoke.texi: Document m32c options.
9530         * doc/md.texi: Document m32c constraints.
9531
9532         * config/m32c/addsub.md: New file.
9533         * config/m32c/bitops.md: New file.
9534         * config/m32c/cond.md: New file.
9535         * config/m32c/jump.md: New file.
9536         * config/m32c/m32c-lib1.S: New file.
9537         * config/m32c/m32c-lib2.c: New file.
9538         * config/m32c/m32c-modes.def: New file.
9539         * config/m32c/m32c-pragma.c: New file.
9540         * config/m32c/m32c-protos.h: New file.
9541         * config/m32c/m32c.abi: New file.
9542         * config/m32c/m32c.c: New file.
9543         * config/m32c/m32c.h: New file.
9544         * config/m32c/m32c.md: New file.
9545         * config/m32c/m32c.opt: New file.
9546         * config/m32c/minmax.md: New file.
9547         * config/m32c/mov.md: New file.
9548         * config/m32c/muldiv.md: New file.
9549         * config/m32c/predicates.md: New file.
9550         * config/m32c/prologue.md: New file.
9551         * config/m32c/shift.md: New file.
9552         * config/m32c/t-m32c: New file.
9553
9554 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9555
9556         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9557         (stack_protect_set, stack_protect_test): New expanders.
9558         (stack_protect_set_si, stack_protect_set_si_media,
9559         stack_protect_set_di_media, stack_protect_test_si,
9560         stack_protect_test_si_media, stack_protect_test_di_media):
9561         New insns.
9562
9563 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9564
9565         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9566
9567 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9568
9569         * tree.h (tree_expr_nonzero_p): Export.
9570         * fold-const.c (tree_expr_nonzero_p): Likewise.
9571         Return true for CALL_EXPRs that are alloca calls.
9572         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9573         against zero.
9574         * tree-flow.h (expr_computes_nonzero): Remove.
9575         * tree-vrp.c (expr_computes_nonzero): Remove.
9576         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9577         (extract_range_from_unary_expr): Likewise.
9578         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9579         tree_expr_nonzero_p.
9580
9581 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9582
9583         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9584         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9585         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9586         All callers changed.
9587         (frame_related_constant_load): New arg "related" which controls
9588         setting of RTX_FRAME_RELATED_P.  All callers changed.
9589         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9590         (bfin_expand_prologue): Add stack limit checking.
9591         * config/bfin/bfin.md (trapifcc): New pattern.
9592
9593         * config/bfin/bfin.c: Include "langhooks.h".
9594         (def_builtin): Go through lang_hooks to call builtin_function.
9595
9596         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9597         * config/bfin/predicates.md (symbol_ref_operand): New.
9598         (call_insn_operand): Delete.  All callers changed to use
9599         register_no_elim_operand.
9600         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9601         call_cookie field.
9602         (function_arg): Use it to generate the call's operand 2.
9603         (bfin_longcall_p): New function.
9604         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9605         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9606         determine if the address needs to be in a REG.
9607         (bfin_handle_longcall_attribute): New function.
9608         (bfin_attribute_table): Add "longcall" and "shortcall".
9609         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9610         (CUMULATIVE_ARGS): New member call_cookie.
9611         (PREDICATE_CODES): Add symbol_ref_operand.
9612         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9613         extra USE to the pattern.
9614         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9615         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9616         sibcall_value_insn; now the new patterns handle direct calls and the
9617         old ones indirect calls.
9618         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9619
9620 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9621
9622         * doc/trouble.texi: Update section on handling of empty loops.
9623
9624 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9625
9626         * config.gcc: Remove support for sparc-*-openbsd*,
9627         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9628         ns32k-*-netbsd*.
9629         * config.host: Remove support for i860-*-sysv4* as a host.
9630         * config/i860/*, config/ip2k/*, config/ns32k/*,
9631         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9632         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9633         mention obsolete ports.
9634
9635 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9636
9637         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9638         soft frame pointer.
9639         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9640         of frame_pointer_rtx.
9641         (sh_expand_epilogue): Likewise.
9642         (sh_set_return_address): Likewise.
9643         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9644         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9645         offsets from FRAME_POINTER_REGNUM.
9646         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9647         (sh_register_names): Add initializer for sfp.
9648         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9649         (VALID_REGISTER_P): Likewise.
9650         (FIRST_PSEUDO_REGISTER): Update.
9651         (DWARF_FRAME_REGISTERS): Define.
9652         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9653         (HARD_FRAME_POINTER_REGNUM): Define.
9654         (FRAME_POINTER_REGNUM): Redefine.
9655         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9656         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9657         from FRAME_POINTER_REGNUM.
9658         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9659         FRAME_POINTER_REGNUM.
9660         (REG_CLASS_CONTENTS): Add sfp.
9661         (REG_ALLOC_ORDER): Likewise.
9662         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9663         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9664         of frame_pointer_rtx.
9665         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9666
9667 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9668
9669         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9670         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9671         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9672         of an ABS_EXPR.
9673         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9674         ABS_EXPR<x>.
9675
9676 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9677
9678         Make CONSTRUCTOR use VEC to store initializers.
9679         * c-common.c (complete_array_type): Update to cope with VEC in
9680         CONSTRUCTOR_ELTS.
9681         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9682         (pp_c_constructor_elts): New function.
9683         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9684         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9685         struct constructor_stack, struct initializer_stack,
9686         constructor_elements, push_init_level, pop_init_level,
9687         add_pending_init, find_init_member, output_init_element): Update to
9688         cope with VEC in CONSTRUCTOR_ELTS.
9689         * coverage.c (build_fn_info_value, build_ctr_info_value,
9690         build_gcov_info): Likewise.
9691         * expr.c (categorize_ctor_elements_1, store_constructor,
9692         expand_expr_real_1): Likewise.
9693         * fold-const.c (fold_ternary): Likewise.
9694         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9695         gimplify_init_constructor, gimplify_expr): Likewise.
9696         * tree-dump.c (dequeue_and_dump): Likewise.
9697         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9698         node.
9699         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9700         CONSTRUCTOR_ELTS.
9701         * tree-sra.c (generate_element_init_1): Likewise.
9702         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9703         * tree-ssa-operands.c (get_expr_operands): Likewise.
9704         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9705         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9706         (get_initial_def_for_reduction): Likewise.
9707         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9708         value handle in annotations.
9709         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9710         tree_node_structure): Add support for constr_kind.
9711         (build_vector_from_ctor, build_constructor_single,
9712         build_constructor_from_list): New functions.
9713         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9714         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9715         Update to cope with VEC in CONSTRUCTOR_ELTS.
9716         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9717         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9718         CONSTRUCTOR_APPEND_ELT): New macros.
9719         (struct constructor_elt, struct tree_constructor): New data types.
9720         (union tree_node): Add tree_constructor field.
9721         * treestruct.def: Define TS_CONSTRUCTOR.
9722         * varasm.c (const_hash_1, compare_constant, copy_constant,
9723         compute_reloc_for_constant, output_addressed_constants,
9724         initializer_constant_valid_p, output_constant,
9725         array_size_for_constructor, output_constructor): Update to cope with
9726         VEC in CONSTRUCTOR_ELTS.
9727         * vec.h (VEC_empty, VEC_copy): New macros.
9728
9729 2005-07-19  Devang Patel  <dpatel@apple.com>
9730
9731         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9732
9733 2005-07-19  Richard Henderson  <rth@redhat.com>
9734
9735         PR tree-opt/22278
9736         * gimplify.c (gimplify_expr): Use main variant type for the temp
9737         destination for a discarded volatile read.
9738         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9739         casts between non-void types that change volatility.
9740
9741 2005-07-15  DJ Delorie  <dj@redhat.com>
9742
9743         * toplev.h: Add comment about the first parameter for warning().
9744         * errors.h: Likewise.
9745
9746         * c.opt (Wpragmas): New.
9747         * doc/invoke.texi: Document it.
9748
9749         * function.c (do_warn_unused_parameter): Add warning control to
9750         warning call.
9751         * c-decl.c (warn_if_shadowing): Likewise.
9752         * c-lex.c (cb_def_pragma): Likewise.
9753         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9754         (pop_alignment): Likewise.
9755         (handle_pragma_pack): Likewise.
9756         (apply_pragma_weak): Likewise.
9757         (handle_pragma_weak): Likewise.
9758         (handle_pragma_redefine_extname): Likewise.
9759         (add_to_renaming_pragma_list): Likewise.
9760         (handle_pragma_extern_prefix): Likewise.
9761         (maybe_apply_renaming_pragma): Likewise.
9762         (handle_pragma_visibility): Likewise.
9763
9764         * config/c4x/c4x-c.c (BAD): Likewise.
9765         (c4x_parse_pragma): Likewise.
9766         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9767         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9768         (rs6000_pragma_longcall): Likewise.
9769         * config/v850/v850-c.c (pop_data_area): Likewise.
9770         (ghs_pragma_section): Likewise.
9771         (ghs_pragma_section): Likewise.
9772         (ghs_pragma_interrupt): Likewise.
9773         (ghs_pragma_starttda): Likewise.
9774         (ghs_pragma_startsda): Likewise.
9775         (ghs_pragma_startzda): Likewise.
9776         (ghs_pragma_endtda): Likewise.
9777         (ghs_pragma_endsda): Likewise.
9778         (ghs_pragma_endzda): Likewise.
9779
9780 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9781             Kenneth Zadeck <zadeck@naturalbridge.com>
9782
9783         * Makefile.in: Removed tree-promote-statics.c
9784         * tree-promote-statics.c: Removed.
9785         * common.opt: Removed flag-promote-statics.
9786         * opts.c: Ditto.
9787         * passes.c: Removed tree-promote-statics pass.
9788         * tree-pass.h: Ditto.
9789         * timevar.def: Removed TV_PROMOTE_STATICS.
9790
9791
9792 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9793
9794         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9795         and *-*-freebsd9.
9796         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9797
9798 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9799
9800         PR c/22476
9801         * c-common.c (check_function_arguments): Call
9802         'check_function_format' if either -Wformat or
9803         -Wmissing-format-attribute are specified.
9804         * c-format.c (check_function_format): Check -Wformat before
9805         calling 'check_format_info'.
9806         * c-opts.c (c_common_post_options): Don't warn for
9807         -Wmissing-format-attribute without -Wformat.
9808         * c-typeck.c (convert_for_assignment): Detect additional cases for
9809         -Wmissing-format-attribute.
9810         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9811         behavior.
9812
9813 2005-07-19  Richard Guenther  <rguenther@suse.de>
9814
9815         * config/i386/i386.md (lrint<mode>2): Use temporary
9816         instead of clobbering non-existent memory.
9817
9818 2005-07-19  Nick Clifton  <nickc@redhat.com>
9819
9820         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9821         statement to avoid displaying ASCII control characters.
9822
9823 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9824
9825         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9826         * cfganal.c (find_edge_index): Ditto.
9827         * combine.c (combine_instructions): Ditto.
9828         * ddg.c (create_scc): Ditto.
9829         (find_successors): Ditto.
9830         (find_predecessors): Ditto.
9831         (find_nodes_on_paths): Ditto.
9832         (longest_simple_path): Ditto.
9833         * flow.c (update_life_info): Ditto.
9834         (count_or_remove_death_notes): Ditto.
9835         (clear_log_links): Ditto.
9836         * modulo-sched.c (generate_reg_moves): Ditto.
9837         (find_max_asap): Ditto.
9838         (find_max_hv_min_mob): Ditto.
9839         (find_max_dv_min_mob): Ditto.
9840         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9841         * sched-rgn.c (extract_edgelst): Ditto.
9842         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9843         (dump_update_ssa): Ditto.
9844         (ssa_names_to_replace) Ditto.
9845         (switch_virtuals_to_full_rewrite): Ditto.
9846         (update_ssa): Ditto.
9847         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9848
9849 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9850
9851         Fix PR tree-optimization/22483
9852
9853         * tree-complex.c (create_components): Use
9854         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9855         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9856         * tree-flow.h (safe_referenced_var_iterator): New structure.
9857         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9858         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9859         safe_referenced_var iterator.
9860         (add_type_alias): Ditto.
9861
9862 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9863
9864         * loop-init.c (rest_of_handle_loop2): Remove.
9865         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9866         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9867         (pass_rtl_loop_init, pass_rtl_loop_done,
9868         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9869         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9870         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9871         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9872         pass_tree_loop_done, and pass_tree_unswitch.
9873         (gate_loop): Rename to gate_tree_loop.
9874         * passes.c (init_optimization_passes): Update for renamed tree
9875         loop passes.  Add the new loop2 passes as subpasses of loop2.
9876         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9877         Update for the renamed tree loop passes.
9878
9879 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9880
9881         PR middle-end/22057
9882         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9883         blocks when optimizing.
9884
9885 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9886
9887         * common.opt (frename-registers): Initialize to 2.
9888         (fweb): Ditto.
9889         (fgcse-after-reload): Ditto.
9890         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9891         (process_options): Only change flag_web, flag_rename_registers,
9892         and flag_rerun_cse_after_loop if not explicitly set by user.
9893
9894 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9895
9896         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9897         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9898         in 64-bit mode the same as DImode in 32-bit mode.
9899         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9900         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9901         mode. Add new mode parameter.
9902         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9903         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9904         x86_64_shift_adj): New expanders.
9905         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9906         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9907         insns.
9908         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9909         DImode shift splitters.
9910         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9911         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9912         mode parameter.
9913
9914 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9915
9916         * i386.md (movdi_extzv_1): New.
9917         (zero_extendhidi2): Combine alternatives and never force use of
9918         REX64 prefix.
9919         (zero_extendqidi2): Likewise. Don't restrict input selection.
9920
9921 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9922
9923         Fix PR tree-optimization/22531
9924         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9925          moment.
9926
9927 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9928
9929         * tree-promote-statics.c (pass_promote_statics): Change dump file
9930          name.
9931
9932 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9933
9934         * tree-optimize.c (init_tree_optimization_passes): Add
9935         pass_eliminate_useless_stores pass.
9936         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9937         * tree-ssa-pre.c (is_copy_stmt): New function.
9938         (follow_copies_till_vuse): Ditto.
9939         (do_eustores): Ditto.
9940         (gate_eustores): Ditto.
9941
9942 2005-07-16  Richard Henderson  <rth@redhat.com>
9943
9944         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9945
9946 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9947            Kenneth Zadeck <zadeck@naturalbridge.com>
9948
9949         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9950         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9951         ipa-type-escape.h, tree-promote-statics.c
9952         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9953         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9954         tree-promote-statics.c: new files.
9955         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9956         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9957         int nonlocal_set_p, mark_constant_function): Deleted.
9958         (rest_of_handle_cfg): Removed call to mark_constant_function.
9959         (nonoverlapping_component_refs_p): Added calls to support
9960         type based aliasing.
9961         * tree-ssa-alias.c (may_alias_p,
9962         compute_flow_insensitive_aliasing): Ditto.
9963         * calls.c (flags_from_decl_or_type): Removed reference to
9964         cgraph_rtl_info.
9965         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9966         too many arguments.  This is necessary for Spec 2000.
9967         * cgraph.h (const_function, pure_function): Removed.
9968         * common.opt: Added "fipa-pure-const", "fipa-reference",
9969         "fipa-type-escape", and "ftree-promote-static".
9970         * opts.c: Ditto.
9971         * passes.c: Added ipa and tree-promote-statics passes.
9972         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9973         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9974         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9975         * tree-flow.h: Added exposed sra calls and addition of
9976         reference_vars_info field for FUNCTION_DECLS.
9977         * tree-pass.h: Added passes.
9978         * tree-sra.c: (sra_init_cache): New function.
9979         (sra_insert_before, sra_insert_after) Made public.
9980         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9981         and made public.
9982         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9983         aliasing. (may_alias_p): Added code to use type escape analysis to
9984         improve alias sets.
9985         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9986         code to prune clobbers of static variables based on information
9987         produced in ipa-reference pass.  Changed call clobbering so that
9988         statics are not marked as clobbered if the call does not clobber
9989         them.
9990
9991 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9992
9993         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9994         too.
9995
9996 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9997
9998         * doc/install.texi (*-*-solaris2*): Document recommended version
9999         of GNU binutils and mention GNU linker problem on Solaris 10.
10000
10001 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10002
10003         PR c/22421
10004         * c-decl.c (c_build_bitfield_integer_type): New function.
10005         (finish_struct): Call it.
10006         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10007
10008 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10009
10010         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10011         before returning.
10012
10013 2005-07-16  Jan Hubicka  <jh@suse.cz>
10014
10015         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10016         (scale_bbs_frequencies_int): Watch roundoff errors.
10017         * predict.c (return_prediction): Initialize return_stmt.
10018
10019 2005-07-16  Jan Hubicka  <jh@suse.cz>
10020
10021         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10022         after RTL profiling.
10023
10024 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10025
10026         PR middle-end/22398
10027         * fold-const.c (build_range_check): Convert high/low to etype
10028         if we are only comparing against exp.
10029
10030 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10031
10032         Fix PR tree-optimization/22376
10033         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10034         special var here.
10035         (need_to_solve): New function.
10036         (compute_points_to_sets): Use it.
10037
10038 2005-07-15  Jan Hubicka  <jh@suse.cz>
10039
10040         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10041         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10042
10043 2005-07-15  Richard Guenther  <rguenther@suse.de>
10044
10045         * c-common.c (handle_flatten_attribute): New function.
10046         Add flatten function attribute.
10047         * doc/extend.texi: Document flatten function attribute.
10048         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10049         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10050         New functions.
10051         (cgraph_decide_inlining): Handle functions with flatten
10052         attribute.
10053
10054 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10055
10056         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10057         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10058         UNSPEC_XCHG, UNSPEC_AND): New.
10059         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10060         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10061         * config/rs6000/sync.md (FETCHOP): New code macro.
10062         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10063         New code attrs.
10064         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10065         (sync_compare_and_swap<mode>): Same.
10066         (sync_lock_test_and_set<mode>): Same.
10067         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10068         for QImode and HImode, and not PPC405.
10069         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10070         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10071         (sync_<fetchop>{si,di}_internal): New.
10072         (sync_nand{si,di}_internal): New.
10073         (sync_old_<fetchop>{si,di}_internal): New.
10074         (sync_old_nand{si,di}_internal): New
10075         (sync_new_<fetchop>{si,di}_internal): New.
10076         (sync_new_nand{si,di}_internal): New.
10077         (atomic_and{si,di}): New.
10078         (sync_new_nand{si,di}_internal): New.
10079         (atomic_and{si,di}): New.
10080         (sync_add<mode>_internal): Delete.
10081         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10082         (sync_sub<mode>_internal): Delte.
10083         (sync_subshort_internal): New.
10084         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10085         (sync_anddi_internal): Delete.
10086         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10087         (sync_booldi_internal): Delete.
10088         (sync_boolc<mode>_internal): Delete.
10089         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10090         (sync_boolc<mode>_internal2): Delete.
10091         (sync_boolcc<mode>_internal): Delete.
10092         (isync, lwsync): Use unspec instead of unspec_volatile.
10093         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10094         Revert UNSPEC_VOLATILE.
10095         (rs6000_split_atomic_op): New.
10096         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10097
10098 2005-07-14  Eric Christopher  <echristo@redhat.com>
10099
10100         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10101         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10102
10103 2005-07-14  Eric Christopher  <echristo@redhat.com>
10104
10105         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10106
10107 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10108
10109         PR tree-optimization/22230
10110         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10111         the computation of the four cross productions for "range op range".
10112
10113 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10114             Ulrich Weigand  <uweigand@de.ibm.com>
10115
10116         PR target/20126
10117         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10118         in some insn.
10119
10120 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10121
10122         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10123
10124 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10125
10126         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10127
10128 2005-07-14  Richard Guenther  <rguenther@suse.de>
10129
10130         PR middle-end/22347
10131         * config/i386/i386-protos.h (ix86_function_value): Change
10132         prototype to match new target hook.
10133         * config/i386/i386.c (ix86_value_regno): Change prototype
10134         to take extra type argument.
10135         (TARGET_FUNCTION_VALUE): Define.
10136         (ix86_function_ok_for_sibcall): Pass extra argument to
10137         ix86_value_regno, check return slot rtx for exact match.
10138         (ix86_function_value): Take extra parameter.  Dispatch to
10139         ix86_value_regno with fndecl/fntype as provided.
10140         (ix86_value_regno): Handle extra type argument.
10141         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10142
10143         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10144         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10145         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10146         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10147         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10148
10149 2005-07-14  Richard Guenther  <rguenther@suse.de>
10150
10151         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10152         * calls.c (expand_call): Pass fntype to hard_function_value.
10153         (emit_library_call_value_1): Likewise.
10154         * explow.c: Include target.h.
10155         (hard_function_value): Take extra argument, the fntype.
10156         Use new target hook for function_value.
10157         * expr.h (hard_function_value): Change prototype.
10158         * function.c (aggregate_value_p): Pass 0 as fntype to
10159         hard_function_value.
10160         (assign_parms): Use new target hook for function_value.
10161         Pass 0 as fntype to hard_function_value.
10162         (expand_function_end): Likewise.
10163         * reg-stack.c: Include target.h.
10164         (stack_result): Use new target hook for function_value.
10165         * target-def.h: New target hook function_value.
10166         * target.h: Likewise.
10167         * targhooks.c (default_function_value): New function.
10168         * targhooks.h (default_function_value): Declare.
10169
10170 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10171
10172         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10173
10174 2005-07-14  Jan Hubicka  <jh@suse.cz>
10175
10176         * tree-dfa.c (dump_variable): Use default_def function.
10177         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10178         * tree-ssa.c (verify_use): Likewise.
10179         * tree-ssanames.c (release_ssa_name): Likewise.
10180         * tree-tailcall.c (eliminate_tail_call): Likewise.
10181         (tree_optimize_tail_calls_1): Likewise.
10182         * tree-vrp.c (get_value_range): Likewise.
10183
10184 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10185
10186         * gcc.c (main): Compare language[0] with '*' when iterating over
10187         the infiles.
10188
10189 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10190
10191         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10192         "s390_emit_compare".  Add handling of CCZ1mode.
10193         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10194         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10195         checking.
10196         (s390_branch_condition_mask): Add CCZ1mode handling.
10197         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10198         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10199         Use CCZ1mode instead of CCZmode.
10200         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10201
10202 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10203
10204         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10205         pattern.
10206         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10207
10208 2005-07-13  Eric Christopher  <echristo@redhat.com>
10209
10210         * config/mips/mips.c (mips_canonicalize_comparison): New.
10211         (mips_emit_int_relational): Use.
10212
10213 2005-07-13  Eric Christopher  <echristo@redhat.com>
10214
10215         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10216         static extra parts.
10217         * config/s390/s390.md: Include tpf.md. Move tpf specific
10218         patterns...
10219         * config/s390/tpf.md: To here.
10220         * config/s390/s390.opt: Move tpf specific options...
10221         * config/s390/tpf.opt: to here. Add mmain option.
10222         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10223         * config/s390/tpf.h: Rewrite.
10224
10225 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10226
10227         * doc/tm.texi: Remove @xref{Cross-profiling}.
10228
10229 2005-07-13  Jeff Law  <law@redhat.com>
10230
10231         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10232         expressions, test their _DECL operands for pointer equality rather
10233         than using operand_equal_p.
10234
10235 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10236
10237         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10238         (TARGET_POSIX_IO): This.
10239         * config/darwin.h: Likewise.
10240         * config/freebsd.h: Likewise.
10241         * config/linux.h: Likewise.
10242         * config/lynx.h: Likewise.
10243         * config/netbsd.h: Likewise.
10244         * config/rs6000/linux64.h: Likewise.
10245         * config/rs6000/linux.h: Likewise.
10246         * config/s390/tpf.h: Likewise.
10247         * config/sh/embed-elf.h: Likewise.
10248         * config/sparc/linux64.h: Likewise.
10249         * config/sparc/linux.h: Likewise.
10250         * config/svr4.h: Likewise.
10251         * gcov-io.h: Likewise.
10252
10253         * doc/tm.texi: Updated.
10254
10255         * libgcov.c (create_file_directory): Defined only if
10256         TARGET_POSIX_IO is defined.
10257         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10258         is defined.
10259
10260 2005-07-13  Jan Hubicka  <jh@suse.cz>
10261
10262         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10263
10264 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10265
10266         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10267         structure as argument.
10268
10269 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10270
10271         PR tree-optimization/21921
10272         * tree-iterator.c (tsi_link_before): Support the case when
10273         tsi_end_p (tsi) == true.
10274
10275 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10276
10277         PR tree-optimization/22442
10278         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10279         correctly.
10280
10281 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10282
10283         PR rtl-optimization/20376
10284         * toplev.c (process_options): Enable -fweb and -frename-registers when
10285         unrolling.
10286         * doc/invoke.texi: Update the information about when -fweb and
10287         -frename-registers are enabled.
10288
10289 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10290
10291         PR tree-opt/21840
10292         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10293         if *rhs_p is not a SSA_NAME.
10294
10295 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10296
10297         Fix PR tree-optimization/22422
10298         * tree-ssa-structalias.c (struct variable_info): Add flag for
10299         special vars.
10300         (get_varinfo): Now a static function.
10301         (new_varinfo): init has_union and is_special_var to false.
10302         (solution_set_add): Check has_union.
10303         (do_da_constraint): Move temporary variable so it gets reset
10304         properly.
10305         Also check for special variable.
10306         (do_ds_constraint): Ditto.
10307         (do_sd_constraint): Ditto.
10308         (do_structure_copy): Check for special variable.
10309         (find_func_aliases): Ditto.
10310         (init_base_vars): Set special vars properly.
10311
10312 2005-07-13  Jan Hubicka  <jh@suse.cz>
10313
10314         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10315         do unit-at-a-time.
10316
10317         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10318         (get_expr_operands): Fix thinko wrt flags and subvars.
10319
10320         PR tree-optimize/22379
10321         * tree-inline.c (expand_call_inline): Do not output sorry in early
10322         inlining.
10323
10324 2005-07-12  Dale Johannesen  <dalej@apple.com>
10325
10326         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10327
10328 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10329
10330         PR bootstrap/21704
10331         * host-linux.h: Include limits.h.
10332
10333 2005-07-12  Dale Johannesen  <dalej@apple.com>
10334
10335         * expr.c (compress_float_constant):  Add cost check.
10336         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10337
10338 2005-07-12  Dale Johannesen  <dalej@apple.com>
10339
10340         * gcc.target/i386/compress-float-sse.c:  New.
10341         * gcc.target/i386/compress-float-sse-pic.c:  New.
10342         * gcc.target/i386/compress-float-387.c:  New.
10343         * gcc.target/i386/compress-float-387-pic.c:  New.
10344         * gcc.dg/compress-float-ppc.c:  New.
10345         * gcc.dg/compress-float-ppc-pic.c:  New.
10346
10347 2005-07-12  Eric Christopher  <echristo@redhat.com>
10348
10349         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10350         static extra parts.
10351         * config/s390/s390.md: Include tpf.md. Move tpf specific
10352         patterns...
10353         * config/s390/tpf.md: To here.
10354         * config/s390/s390.opt: Move tpf specific options...
10355         * config/s390/tpf.opt: to here. Add mmain option.
10356         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10357         * config/s390/tpf.h: Rewrite.
10358
10359 2005-07-12  Eric Christopher  <echristo@redhat.com>
10360
10361         * gcc.c (struct infile): Update comment for language.
10362         (main): Rewrite input file resetting code.
10363
10364 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10365
10366         PR tree-opt/22335
10367         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10368         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10369         (lookup_avail_expr): Use constant_boolean_node instead
10370         of boolean_false_node/boolean_true_node.
10371
10372 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10373
10374         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10375         and use it when printing num_edges.
10376
10377 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10378
10379         * doc/extend.texi (Blackfin Built-in Functions): New section.
10380         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10381         @opindex.
10382
10383 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10384
10385         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10386         s/cmpstrsi/cmpstrnsi
10387         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10388         'cmpstrnsi'.
10389         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10390         (init_optabs): Initialize cmpstrn_optab.
10391         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10392         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10393         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10394         * config/i386/i386.md: s/cmpstr/cmpstrn
10395         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10396         * doc/md.texi: Update documentation.
10397
10398 2005-07-11  Richard Henderson  <rth@redhat.com>
10399
10400         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10401         build_va_arg_indirect_ref.
10402         (alpha_gimplify_va_arg): Likewise.
10403         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10404         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10405         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10406         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10407         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10408         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10409         Likewise.
10410         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10411
10412 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10413
10414         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10415         * passes.c (init_optimization_passes): Add pass_empty_loop.
10416         * tree-pass.h (pass_empty_loop): Declare.
10417         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10418         try_remove_empty_loop, remove_empty_loops): New functions.
10419         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10420         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10421
10422 2005-07-12  Peter Barada  <peter@the-baradas.com>
10423
10424         PR middle-end/16719
10425         PR middle-end/18421
10426         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10427         in address registers.
10428         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10429         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10430         alternative of addsi3_5200.
10431
10432 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10433
10434         * config/mips/mips.md (ffs<mode>2): Remove.
10435
10436 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10437
10438         * doc/tree-ssa.texi (Cleanups): Improve description of
10439         TRY_FINALLY_EXPR.
10440         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10441
10442 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10443
10444         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10445         * tree.h (DECL_ARGUMENT_FLD): New macro.
10446
10447 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10448
10449         Fix PR tree-optimization/22404
10450
10451         * tree-ssa-structalias.c (create_variable_info_for): Use
10452         correct offset.
10453
10454 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10455
10456         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10457         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10458         for second comparison operand.
10459         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10460
10461         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10462         (define_insn_reservation "alu"): Likewise.
10463         (csync, ssync): Now of type sync.
10464         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10465         -mcsync-anomaly -mspecld-anomaly.
10466         * config/bfin/bfin.opt (mcsync): Remove.
10467         (mcsync-anomaly, mspecld-anomaly): Add.
10468         * config/bfin/bfin.c: Include "insn-codes.h".
10469         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10470         (TARGET_DEFAULT_TARGET_FLAGS): New.
10471         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10472
10473 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10474
10475         * basic-block.h: Give the BB flags enum a name, bb_flags.
10476         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10477         * cfgcleanup.c (enum bb_flags): Remove here.
10478         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10479         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10480         (update_forwarder_flag): Likewise.
10481         (thread_jump): Likewise.
10482         (try_forward_edges): Likewise.
10483         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10484         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10485         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10486
10487 2005-07-11  Richard Guenther  <rguenther@suse.de>
10488
10489         * config/i386/i386.opt: New target option -msseregparm.
10490         * config/i386/i386.c (override_options): Error out for
10491         -msseregparm but no SSE support.
10492         (ix86_function_sseregparm): Check for global sseregparm.
10493         * doc/invoke.texi: Document -msseregparm.
10494
10495 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10496
10497         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10498         (m32rle-*-linux*): Ditto.
10499
10500 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10501
10502         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10503         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10504         bytes.
10505
10506 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10507
10508         PR middle-end/22239
10509         PR target/20126
10510         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10511         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10512
10513 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10514
10515         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10516         (varmap): Heapify varmap.
10517         (constraints): Heapify constraints.
10518         (struct constraint_graph): Heapify succs and preds.
10519         (constraint_vec_find): Update for heapification.
10520         (constraint_set_union): Ditto.
10521         (insert_into_complex): Ditto.
10522         (constraint_edge_vec_find): Ditto.
10523         (erase_graph_self_edge): Ditto.
10524         (add_graph_edge): Ditto.
10525         (get_graph_weights): Ditto.
10526         (merge_graph_nodes): Ditto.
10527         (build_constraint_graph): Ditto.
10528         (topo_visit): Ditto.
10529         (solve_graph): Ditto.
10530         (create_variable_info_for): Ditto.
10531         (init_base_vars): Ditto.
10532         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10533         (condese_varmap_nodes): Free complex vector.
10534         (clear_edges_for_node): Clear succs and preds vector.
10535
10536 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10537
10538         * tree-ssa-structalias.c (update_alias_info): Change counting of
10539         references to not include vdefs.
10540
10541 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10542
10543         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10544         (up_insert): Ditto.
10545
10546 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10547
10548         * pa.c (pa_commutative_p): Make PLUS commutative when
10549         TARGET_NO_SPACE_REGS is true.
10550
10551 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10552
10553         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10554         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10555         * tree-dfa.c (dump_subvars_for): New.
10556         (debug_subvars_for): New.
10557         (dump_variable): Show subvariables if VAR has them.
10558         * tree-flow-inline.h (get_subvar_at): New.
10559         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10560         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10561         Update all users.
10562         (struct subvar): Change fields offset and size to unsigned
10563         HOST_WIDE_INT.
10564         (dump_subvars_for): Declare.
10565         (debug_subvars_for): Declare.
10566         (get_subvar_at): Declare.
10567         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10568         to unsigned HOST_WIDE_INT *.
10569         (overlap_subvar): Likewise.
10570         * tree-gimple.c (is_gimple_reg): Always return false for
10571         SFTs and memory tags.
10572         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10573         Update all callers.
10574         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10575         (compute_may_aliases): Call compute_points_to_sets.
10576         (collect_points_to_info_for): Remove.
10577         (compute_points_to_and_addr_escape): Remove.
10578         (delete_alias_info): Call delete_points_to_sets.
10579         (compute_flow_sensitive_aliasing): If the call to
10580         find_what_p_points_to returns false, call set_pt_anything.
10581         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10582         (set_pt_anything): Clear pi->pt_vars.
10583         (set_pt_malloc): Remove.
10584         (merge_pointed_to_info): Remove.
10585         (add_pointed_to_expr): Remove.
10586         (add_pointed_to_var): Remove.
10587         (collect_points_to_info_r): Remove.
10588         (is_escape_site): Make extern.
10589         (create_sft): New.
10590         (create_overlap_variables_for): Call it.
10591         * tree-ssa-copy.c (merge_alias_info): Never merge
10592         flow-sensitive alias information.
10593         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10594         offset and size to be unsigned HOST_WIDE_INT.
10595         (add_to_addressable_set): Rename from note_addressable.
10596         Set TREE_ADDRESSABLE as the variables are added to the set.
10597         Update all users.
10598         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10599         operands into VUSEs when adding V_MAY_DEFs for members in an
10600         alias set.
10601         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10602         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10603         (struct variable_info): Add bitfield is_heap_var.
10604         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10605         (new_var_info): Initialize is_heap_var.
10606         (get_constraint_for): Add HEAP variables to the symbol table.
10607         Mark them with is_heap_var.
10608         (update_alias_info): New.  Taken mostly from the old
10609         compute_points_to_and_addr_escape.
10610         (handle_ptr_arith): New.
10611         (find_func_aliases): Call update_alias_info.
10612         Call handle_ptr_info for tcc_binary expressions.
10613         Call mark_stmt_modified.
10614         (create_variable_info_for): If DECL has subvars, do not create
10615         variables for its subvars.  Always add all the fields.
10616         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10617         SFTs, then add all the SFTs of the structure.
10618         If VI->DECL is an aggregate with subvariables, add the SFT at
10619         VI->OFFSET.
10620         (find_what_p_points_to): If VI is an artificial variable,
10621         translate to bitfields in SSA_NAME_PTR_INFO.
10622         If the solution is empty, set pi->pt_vars to NULL
10623         (init_base_vars): Create ANYOFFSET.
10624         (compute_points_to_sets): Rename from create_alias_vars.
10625         Make extern.
10626         (pass_build_pta): Remove.
10627         (delete_points_to_sets): Rename from delete_alias_vars.
10628         (pass_del_pta): Remove.
10629         * tree-ssa-structalias.h (struct alias_info): Move from
10630         tree-ssa-alias.h.
10631         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10632         NUM_REFERENCES_SET): Likewise.
10633         (compute_points_to_sets, delete_points_to_sets): Declare.
10634
10635 2005-07-09  Richard Henderson  <rth@redhat.com>
10636
10637         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10638         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10639         alpha_split_lock_test_and_set_12): New functions.
10640         * config/alpha/alpha-protos.h: Update.
10641         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10642         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10643         * config/alpha/sync.md (I12MODE): New.
10644         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10645         (sync_<fetchop_name><I48MODE>): Likewise.
10646         (sync_nand<I48MODE>): Likewise.
10647         (sync_old_<fetchop_name><I48MODE>): Likewise.
10648         (sync_new_<fetchop_name><I48MODE>): Likewise.
10649         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10650         (sync_compare_and_swap<I48MODE>): Likewise.
10651         (sync_lock_test_and_set<I48MODE>): Likewise.
10652         (sync_compare_and_swap<I12MODE>): New.
10653         (sync_compare_and_swap<I12MODE>_1): New.
10654         (sync_lock_test_and_set<I12MODE>): New.
10655         (sync_lock_test_and_set<I12MODE>_1): New.
10656
10657 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10658
10659         PR 21356
10660         PR 22332
10661         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10662
10663 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10664
10665         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10666         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10667
10668 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10669
10670         PR target/21656
10671         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10672
10673 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10674
10675         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10676         memory_operand constraint.
10677         (store_conditional_<mode>): Same.
10678         (sync_compare_and_swap<mode>): Same.
10679         (sync_lock_test_and_set<mode>): Same.
10680
10681 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10682
10683         Rewrite PIC support to more closely model actual instructions.
10684         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10685         (cris_symbol): Remove prototypes for removed functions.
10686         (cris_pic_symbol_type_of, cris_valid_pic_const)
10687         (cris_expand_pic_call_address): Prototypes for new functions.
10688         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10689         variable.
10690         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10691         modifiers.
10692         <case ':'>: Add case for new punctuation character.
10693         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10694         emitting (extra) PIC modifier.
10695         <case UNSPEC>: Do not assert for PLT.
10696         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10697         (cris_expand_prologue, cris_expand_epilogue): Check
10698         for pic_offset_table_rtx usage instead of taking
10699         current_function_uses_pic_offset_table as the final word.
10700         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10701         Remove flag_pic difference.
10702         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10703         the moral equivalents of...
10704         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10705         functions.
10706         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10707         (cris_handle_option): Mark ARG as unused.
10708         (cris_expand_pic_call_address): New worker function for "call",
10709         "call_value".
10710         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10711         output PIC constructs here.
10712         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10713         as symbol-specific modifers, not whole or part of operands.
10714         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10715         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10716         constants and flag_pic.
10717         (CONSTANT_INDEX_P): Adjust for new functions.
10718         (enum cris_pic_symbol_type): New helper type.
10719         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10720         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10721         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10722         define_constants.
10723         ("movsi"): Emit actual instructions for GOT and relative access.
10724         ("*movsi_got_load"): New pattern to set up the register holding
10725         the GOT pointer.
10726         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10727         Adjust FIXME for 'S'.
10728         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10729         Use "movs" for -fpic cases.
10730         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10731         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10732         ("call", "call_value"): Just call cris_expand_pic_call_address for
10733         PIC addresses.
10734         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10735         Remove special pattern.
10736         ("*expanded_call_side", "*expanded_call_value_side"): New
10737         patterns.
10738         (gotplt-to-plt, gotplt-to-plt-side-call)
10739         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10740         peephole2:s.
10741         * config/cris/cris/predicates.md
10742         ("cris_general_operand_or_gotless_symbol"): Remove unused
10743         predicate.
10744         ("cris_general_operand_or_symbol"): Adjust for new functions.
10745
10746 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10747
10748         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10749
10750 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10751
10752         * Makefile.in (TREE_H): Add treestruct.def.
10753         (c-decl.o): Add pointer-set.h
10754         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10755         visibility on regular DECL's.
10756         (merge_decls): Fix the copying of decl nodes of various types for
10757         the new structures.  Don't update RTL, section name, weak status,
10758         etc, on DECL's without RTL.
10759         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10760         Don't check volatile on non-variable types.
10761         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10762         to check whether we have seen arguments.
10763         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10764         flag is checked before field (flag is common, field is not).
10765         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10766         TS_DECL_COMMON could have an origin.
10767         (add_location_or_const_value_attribute): Don't check section name
10768         on non-var/function decls.
10769         (dwarf2out_var_location): Reverse order of tests.
10770         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10771         with DECL_WRTL_CHECK.
10772         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10773         * fold-const.c (fold_binary): Don't check weakness on
10774         non-var/function decls.
10775         (tree_expr_nonzero_p): Ditto.
10776         (fold_checksum_tree): Use tree_decl_extra as sizeof
10777         buffer.
10778         * ggc-page.c (extra_order_size_table): Add sizes for
10779         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10780         tree_field_decl.
10781         * gimplify.c (gimplify_bind_expr): Only set
10782         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10783         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10784         without RTL.
10785         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10786         * langhooks.h (init_ts). New langhook.
10787         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10788         * print-tree.c (print_node): Update to only print fields that
10789         exist in the structures the passed decl has.
10790         * toplev.c (wrapup_global_declarations): Don't reset
10791         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10792         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10793         * tree-inline.c (remap_decl): Ditto.
10794         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10795         * tree-pretty-print.c (print_declaration): Don't print
10796         DECL_REGISTER on things that don't contain it.
10797         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10798         non-var/function decls.
10799         * tree.c (tree_contains_struct): New structure.
10800         (init_priority_for_decl): New hashtable.
10801         (tree_int_map): New structure.
10802         (tree_int_map_eq): New function.
10803         (tree_int_map_marked_p): Ditto.
10804         (tree_int_map_hash): Ditto.
10805         (tree_map): Move to tree.h.
10806         (tree_map_eq): Externalize.
10807         (tree_map_hash): Ditto.
10808         (tree_map_marked_p): Ditto.
10809         (init_ttree): Set up tree_contains_struct and call langhook.
10810         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10811         (tree_code_size): Update for new structures.
10812         (tree_node_structure): Update for new structures.
10813         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10814         without the field.
10815         (copy_node_stat):  Copy init priority.
10816         (build_decl_stat): Ditto for visibility.
10817         (ts_enum_names): New.
10818         (tree_contains_struct_check_failed): New function.
10819         (decl_init_priority_lookup): Ditto.
10820         (decl_init_priority_insert): Ditto.
10821         * treestruct.def: New file.
10822         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10823         (CONTAINS_STRUCT_CHECK): Ditto.
10824         (tree_contains_struct_check_failed): New prototype.
10825         (DECL_CHECK): Removed.
10826         (DECL_MINIMAL_CHECK): New.
10827         (DECL_COMMON_CHECK): Ditto.
10828         (DECL_WRTL_CHECK): Ditto.
10829         (DECL_NON_COMMON_CHECK): Ditto.
10830         (DECL_WITH_VIS_CHECK): Ditto.
10831         (VAR_OR_FUNCTION_DECL_P): Ditto
10832         (struct tree_decl_minimal): New structure.
10833         (struct tree_decl_common): Ditto.
10834         (struct tree_decl_with_rtl): Ditto.
10835         (struct tree_decl_with_vis): Ditto.
10836         (struct tree_decl_non_common): Ditto.
10837         (struct tree_field_decl): Ditto.
10838         (struct tree_parm_decl): Ditto.
10839         (struct tree_var_decl): Ditto.
10840         (struct tree_function_decl): Ditto.
10841         (struct tree_const_decl): Ditto.
10842         (struct tree_result_decl): Ditto.
10843         (union tree_node): Add new structures.
10844         * var-tracking.c (track_expr_p): Reverse order of tests.
10845
10846         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10847
10848 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10849
10850         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10851         * system.h: Poison FINALIZE_PIC.
10852         * doc/tm.texi (FINALIZE_PIC): Remove.
10853
10854 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10855
10856         PR tree-opt/22329
10857         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10858         to the correct type if we have a MODIFY_EXPR.
10859
10860 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10861
10862         PR tree-optimization/22360
10863         * tree.c (upper_bound_in_type): Fix calculations for casting
10864         to a non-wider signed type and casting a signed value to a
10865         wider unsigned type.
10866         (lower_bound_in_type): Fix calculations for casting to a
10867         non-wider signed type.
10868
10869         PR tree-optimization/20139
10870         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10871         release_defs.
10872         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10873         fold_cond_expr_cond.
10874         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10875         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10876
10877 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10878
10879         PR tree-opt/22356
10880         * tree-complex.c (expand_complex_libcall): Produce
10881         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10882
10883 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10884
10885         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10886         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10887         b" assert and inserted fastpath code for this case.
10888         (bitmap_ior): Removed "a != b" assert.
10889
10890 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10891
10892         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10893         (ENDFILE_SPEC): Likewise.
10894         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10895
10896         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10897         a large stack frame at epilogue.
10898
10899 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10900
10901         * final.c: Include sdbout.h when required.
10902
10903 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10904
10905         * config.gcc (*-*-darwin*): Only one target-specific header file
10906         for generic darwin.
10907         (powerpc-*-darwin*): Add version-specific header files.
10908         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10909         * config.in: Regenerate.
10910         * configure: Regenerate.
10911         * gcc.c: Include xregex.h.
10912         (version_compare_spec_function): New.
10913         (spec_function): Add version-compare.
10914         (replace_outfile_spec_function): Reformat comment.
10915         (compare_version_strings): New.
10916         * config/darwin-c.c (version_as_macro): New.
10917         (builtin_define): New.
10918         (darwin_cpp_builtins): New.
10919         * config/darwin-protos.h (darwin_cpp_builtins): New.
10920         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10921         (LIB_SPEC): Make unconditional, update comment.
10922         (TARGET_C99_FUNCTIONS): Define.
10923         * config/darwin.opt: Sort.
10924         (mmacosx-version-min=): New.
10925         * config/darwin7.h: Delete.
10926         * config/darwin8.h: Delete.
10927         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10928         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10929         (TARGET_C99_FUNCTIONS): Define.
10930         * config/rs6000/darwin7.h: New.
10931         * config/rs6000/darwin8.h: New.
10932         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10933         (-mmacosx-version-min): Document.
10934
10935 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10936
10937         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10938
10939 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10940
10941         PR middle-end/22239
10942         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10943
10944 2005-07-07  Khem Raj  <kraj@mvista.com>
10945
10946         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10947         in bytes, not words.
10948
10949 2005-07-07  Paul Brook  <paul@codesourcery.com>
10950
10951         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10952         DEFAULT_FUNCTION_ARG_PADDING to upward.
10953
10954 2005-07-07  Richard Henderson  <rth@redhat.com>
10955
10956         * function.c (locate_and_pad_parm): Record parameter alignment in
10957         stack_alignment_needed.
10958
10959 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10960
10961         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10962         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10963         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10964         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10965         (define_attr "type"): Add isync, sync, load_l, store_c.
10966         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10967         Create scratch volatile MEM.
10968         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10969         sync.
10970         (load_locked_<mode>): New.
10971         (store_conditional_<mode>): New.
10972         (sync_compare_and_swap<mode>): Replace with splitter.
10973         (sync_lock_test_and_set<mode>): Replace with splitter.
10974         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10975         and UNSPECV_ISYNC.
10976         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10977         is ics.  Attribute isync.
10978         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10979         lwsync.
10980         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10981         and UNSPECV_SYNC_OP.
10982         (emit_unlikely_jump): New.
10983         (emit_load_locked): New.
10984         (emit_store_conditional): New.
10985         (rs6000_split_compare_and_swap): New.
10986         (rs6000_split_lock_test_and_set): New.
10987         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10988         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10989         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10990         rs6000_split_lock_test_and_set): Declare.
10991         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10992         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10993         store_c, isync, sync.
10994
10995 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10996
10997         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10998         filenames to gtyp-gen.h.
10999         (s-typ-gen): Use it in place of for loops.
11000
11001 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11002
11003         * hooks.c (hook_bool_rtx_int_false): New function.
11004         * hooks.h (hook_bool_rtx_int_false): Declare.
11005         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11006         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11007         * target.h (struct gcc_target): Add commutative_p member.
11008         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11009         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11010         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11011         (pa_commutative_p): New function.
11012         * jump.c (target.h): Include.
11013         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11014         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11015
11016 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11017
11018         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11019         (s390_expand_setmem): New.
11020         * config/s390/s390.c: Likewise.
11021         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11022         Adapt comments.
11023         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11024         general_operand.  Call new function "s390_expand_setmem".
11025         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11026         ("setmem_long", "*setmem_long"): ... this.
11027
11028 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11029
11030         * config/s390/s390.c: (optimization_options): Enable
11031         TARGET_MVCLE at -Os.
11032         * doc/invoke.texi: Document changes in default behaviour.
11033         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11034
11035 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11036
11037         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11038         defined by back-end.
11039
11040 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11041
11042         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11043         all sets in the pattern.
11044         * config/rs6000/rs6000.md (stack_protect_testsi,
11045         stack_protect_testdi): Likewise.
11046
11047 2005-07-06  Jeff Law  <law@redhat.com>
11048
11049         * tree-vrp.c (simplify_using_ranges): Kill.
11050         (vrp_finalize): Remove call to simplify_using_ranges.
11051         (simplify_stmt_using_ranges): New function extracted from
11052         simplify_using_ranges.
11053         (simplify_div_or_mod_using_ranges): Likewise.
11054         (simplify_abs_using_ranges): Likewise.
11055         (simplify_cond_using_ranges): New function.
11056         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11057         * tree-ssa-propagate.c (substitute_and_fold): Call
11058         simplify_stmt_using_ranges if we have range information.
11059
11060 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11061
11062         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11063         ia64_flag_schedule_isns2.
11064
11065         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11066         reading/writing general registers.
11067         (ia64_function_arg): Revert 2005-06-18 change.
11068
11069 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11070
11071         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11072         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11073
11074 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11075
11076         * function.c (expand_function_end): Revert part of 2005-06-27
11077         patch.  Do sjlj_emit_function_exit_after after return_label.
11078
11079 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11080
11081         * doc/install.texi (--disable-libssp): New.
11082
11083 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11084
11085         * doc/invoke.texi: Update -fforce-mem documentation.
11086         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11087         code for -fforce-mem.
11088         * expmed.c: (store_bit_field,store_fixed_bit_field,
11089         extract_bit_field): Ditto.
11090         * expr.c: (convert_move): Ditto.
11091         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11092         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11093         emit_conditional_add,expand_float,expand_fix): Ditto.
11094         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11095         (common_handle_option): Issue warning when -fforce-mem specified.
11096
11097 2005-07-06  Paul Brook  <paul@codesourcery.com>
11098
11099         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11100         argument is empty.
11101         * configure: Regenerate.
11102
11103 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11104
11105         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11106
11107 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11108
11109         Fix PR tree-optimization/22319
11110         Fix PR tree-optimization/22140
11111         Fix PR tree-optimization/22310
11112
11113         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11114         variable sized types.
11115         Use correct type for intermediate structure on *a = *b structure
11116         copies.
11117
11118 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11119
11120         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11121         Remove.
11122         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11123         (machine_function): Move typedef to...
11124         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11125         varargs_save_offset field.
11126         (rs6000_stack_t): Remove varargs_size field.
11127         (setup_incoming_varargs): Allocate varargs save area using
11128         assign_stack_local, try to make it as small as possible.
11129         Save offset from virtual_stack_vars_rtx to the save area
11130         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11131         instead of magic 8 when fp word byte size is used.
11132         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11133         instead of -RS6000_VARARGS_SIZE.
11134         (rs6000_stack_info, debug_stack_info,
11135         rs6000_initial_elimination_offset): Remove all traces of
11136         varargs_size.
11137         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11138         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11139         RS6000_VARARGS_AREA.
11140
11141 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11142
11143         PR tree-optimization/21963
11144         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11145         constant_multiple_of in the same way get_computation_cost_at does.
11146
11147 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11148
11149         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11150         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11151         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11152         and return its previous value.
11153         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11154         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11155         constants.
11156         (stack_protect_set, stack_protect_test): New expanders.
11157         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11158         stack_protect_testdi): New insns.
11159         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11160         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11161
11162 2005-07-06  Jeff Law  <law@redhat.com>
11163
11164         * tree-ssa-dce.c (cfg_altered): New global.
11165         (tree_dce_init): Initialize cfg_altered.
11166         (remove_dead_stmt): If we remove an edge in the CFG, then set
11167         CFG_ALTERED.
11168         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11169         the dominators.
11170
11171 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11172
11173         * Makefile.in (stamp-collect-ld): Use
11174         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11175         ./collect-ld if it already exists.
11176         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11177         Don't remove ./nm if it already exists.
11178
11179 2005-07-05  Devang Patel  <dpatel@apple.com>
11180
11181         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11182         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11183         * tree-vectorizer.c (vect_loop_location): New.
11184         (vect_print_dump_info): Use vect_loop_location.
11185         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11186         (vectorize_loops): Set vect_loop_location.
11187         * tree-vect-analyze.c (vect_analyze_offset_expr,
11188         vect_determin_vectorization_factor, vect_analyze_operations,
11189         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11190         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11191         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11192         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11193         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11194         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11195         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11196         vect_analyze_loop): Adjust vect_print_dump_info API.
11197         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11198         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11199         vect_finish_stmt_generation, vectorizable_assignment,
11200         vectorizable_operation, vectorizable_store, vectorizable_load,
11201         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11202         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11203         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11204         vect_transform_loop): Same.
11205         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11206         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11207         Same.
11208
11209 2005-07-05  Randolph Chung  <tausq@debian.org>
11210
11211         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11212         * configure: Regenerate.
11213         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11214         (pa_tls_referenced_p): Declare.
11215         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11216         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11217         (legitimize_tls_address): New.
11218         (hppa_legitimize_address): Handle TLS addresses.
11219         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11220         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11221         (emit_move_sequence): Handle TLS addresses.
11222         (pa_encode_section_info): Call default handler to handle common
11223         sections.
11224         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11225         (CONSTANT_ADDRESS_P): Reject TLS operands.
11226         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11227         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11228         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11229         (UNSPEC_TLSLE): Define new constants.
11230         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11231         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11232         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11233         (tie_symbolic_operand, tle_symbolic_operand): New
11234
11235 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11236
11237         * aclocal.m4: Update macros for autoconf 2.59 style.
11238         * configure.ac: Likewise.
11239
11240 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11241
11242         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11243         (function_arg): Pass small aggregates in general registers on 32-bit
11244         targets.
11245         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11246
11247 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11248
11249         * Makefile.in (final.o): Fix dependencies.
11250
11251 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11252
11253         PR c/22013
11254         PR c/22098
11255         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11256         * langhooks.c (lhd_expr_to_decl): New.
11257         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11258         New.
11259         (LANG_HOOKS_INITIALIZER): Update.
11260         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11261         expr_to_decl langhook.
11262         * c-tree.h (c_expr_to_decl): Declare.
11263         * c-typeck.c (c_expr_to_decl): New.
11264         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11265         specially.
11266         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11267
11268 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11269
11270         PR c/22308
11271         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11272         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11273
11274 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11275
11276         * Makefile.in: Adjust dependencies.
11277         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11278         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11279         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11280         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11281         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11282         rest_of_compilation.
11283
11284         * bb-reorder.c (gate_duplicate_computed_gotos,
11285         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11286         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11287         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11288         pass_partition_blocks): New.
11289         * bt-load.c (gate_handle_branch_target_load_optimize,
11290         rest_of_handle_branch_target_load_optimize,
11291         pass_branch_target_load_optimize): New.
11292         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11293         pass_jump2): New.
11294         * cfglayout.c (pass_insn_locators_initialize): New.
11295         * cfgrtl.c (pass_free_cfg): New.
11296         * combine.c (gate_handle_combine, rest_of_handle_combine,
11297         pass_combine): New.
11298         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11299         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11300         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11301         * except.c (pass_set_nothrow_function_flags,
11302         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11303         pass_rtl_eh): New.
11304         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11305         rest_of_handle_shorten_branches, pass_shorten_branches,
11306         rest_of_clean_state, pass_clean_state): New.
11307         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11308         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11309         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11310         pass_flow2): New.
11311         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11312         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11313         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11314         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11315         pass_gcse): New.
11316         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11317         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11318         pass_rtl_ifcvt, gate_handle_if_after_combine,
11319         rest_of_handle_if_after_combine, pass_if_after_combine,
11320         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11321         pass_if_after_reload): New.
11322         * integrate.c (pass_initial_value_sets): New.
11323         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11324         pass_purge_lineno_notes): New.
11325         * mode-switching.c (rest_of_handle_mode_switching,
11326         pass_mode_switching): New.
11327         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11328         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11329         pass_loop2): New.
11330         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11331         pass_loop_optimize): New.
11332         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11333         pass_sms): New.
11334         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11335         pass_gcse2): New.
11336         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11337         pass_postreload_cse): New.
11338         * profile.c (gate_handle_profiling, pass_profiling,
11339         rest_of_handle_branch_prob, pass_branch_prob): New.
11340         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11341         pass_split_before_regstack, gate_handle_split_before_regstack,
11342         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11343         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11344         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11345         pass_stack_regs): New.
11346         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11347         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11348         pass_stack_adjustments): New.
11349         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11350         pass_regrename): New.
11351         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11352         pass_delay_slots, gate_handle_machine_reorg,
11353         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11354         * rtl.h (extern void purge_line_number_notes): New.
11355         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11356         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11357         pass_sched2): New.
11358         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11359         pass_tracer): New.
11360         * value-prof.c (gate_handle_value_profile_transformations,
11361         rest_of_handle_value_profile_transformations,
11362         pass_value_profile_transformations): New.
11363         * var-tracking.c (gate_handle_var_tracking,
11364         pass_variable_tracking): New.
11365         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11366
11367         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11368         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11369         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11370         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11371         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11372         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11373         rest_of_handle_gcse2, rest_of_handle_regmove,
11374         rest_of_handle_tracer, rest_of_handle_if_conversion,
11375         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11376         rest_of_handle_web, rest_of_handle_branch_prob,
11377         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11378         rest_of_handle_jump_bypass, rest_of_handle_combine,
11379         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11380         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11381         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11382         rest_of_handle_mode_switching, rest_of_handle_jump,
11383         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11384         rest_of_handle_flow2, rest_of_handle_jump2,
11385         rest_of_handle_peephole2, rest_of_handle_postreload,
11386         rest_of_handle_shorten_branches, rest_of_clean_state,
11387         rest_of_compilation): Remove.
11388
11389         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11390         * passes.c (dump_flags, in_gimple_form, all_passes,
11391         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11392         register_dump_files, next_pass_1, last_verified, execute_todo,
11393         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11394         from tree-optimize.c.
11395         (init_optimization_passes): Moved from tree-optimize.c,
11396         adding the RTL optimizations.
11397         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11398         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11399         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11400         register_dump_files, next_pass_1, last_verified, execute_todo,
11401         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11402         init_tree_optimization_passes, ipa_passes): Delete.
11403         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11404         the RTL dumps.
11405         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11406         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11407         from tree.h.
11408         (ipa_passes): Remove.
11409         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11410         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11411         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11412         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11413         (dump_info_p, dump_flag): Moved to tree-dump.h.
11414
11415         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11416         cgraph.c, opts.c.
11417         * passes.c (finish_optimization_passes): Use dump_begin
11418         and dump_end, TDI_end.
11419         (gate_rest_of_compilation): New.
11420         (pass_rest_of_compilation): Use it.
11421         (gate_postreload, pass_postreload): New.
11422         * toplev.c (general_init): Rename init_tree_optimization_passes.
11423         * toplev.h (init_tree_optimization_passes): Rename to
11424         init_optimizations_passes.
11425         * tree-dump.c (dump_flag): Make static.
11426         (dump_files): Remove RTL dumps.
11427         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11428         pass_cleanup_cfg, pass_free_cfg_annotations,
11429         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11430         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11431         * tree-pretty-print.c: Include tree-pass.h.
11432         * cgraph.c: Include tree-dump.h.
11433
11434 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11435
11436         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11437         Only fall back to saying it points to readonly memory if
11438         we can't do better.
11439
11440 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11441
11442         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11443         * config/m32r/m32r.c (m32r_compute_frame_size,
11444         m32r_expand_prologue): Take current_function_profile into
11445         account whenever we reference
11446         current_function_uses_pic_offset_table.
11447         (m32r_finalize_pic): Remove.
11448         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11449
11450 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11451
11452         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11453         instead of $<.  Don't remove ./as if it already exists.
11454
11455 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11456
11457         PR target/21723
11458         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11459         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11460         for complex modes when generating code for PA 1.0.
11461         (VALID_FP_MODE_P): New macro.
11462         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11463         sets for all general and floating point modes.  Align wide floating
11464         point modes to even register boundaries to comply with architectural
11465         requirements.
11466         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11467         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11468         (VALID_FP_MODE_P): New macro.
11469         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11470         sets for all general and floating point modes.  Align wide floating
11471         point modes to even register boundaries to comply with architectural
11472         requirements.
11473
11474 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11475
11476         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11477         to 0.
11478
11479 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11480
11481         * tree-ssa-structalias.c: Don't include expr.h.
11482
11483 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11484
11485         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11486         comments.
11487
11488 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11489
11490         Fix PR tree-optimization/22279
11491
11492         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11493         correct operator.
11494
11495 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11496
11497         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11498
11499 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11500
11501         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11502         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11503         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11504         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11505         config/stormy16/stormy16.c, config/v850/v850.c,
11506         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11507         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11508         Avoid "." or "\n" at end of diagnostics and capital letters at
11509         start of diagnostics.
11510         * combine.c, cse.c: Don't translate dump file output.
11511         * toplev.c (print_version): Only translate output if going to
11512         stderr.
11513
11514 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11515
11516         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11517         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11518         typos.
11519
11520 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11521
11522         * pa.c (fix_range): Fix typo in comment.
11523
11524 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11525
11526         * tree-vrp.c (extract_range_from_assert): Replace
11527         fold (build (...)) with fold_build2.
11528
11529 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11530
11531         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11532         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11533         (format_types_orig, handle_format_attribute): Add support for
11534         format "gcc_gfc".
11535
11536 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11537
11538         * varasm.c (assemble_variable): Fix format specifier thinko.
11539
11540 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11541
11542         PR tree-optimization/22029 (and 22135)
11543         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11544         a phi node before calling dump_vops.
11545
11546 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11547
11548         * tree-dump.h (dump_string_field): Declare.
11549         * tree-dump.c: Use it instead of dump_string.
11550         (dump_string_field): Make non-static.
11551
11552 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11553
11554         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11555         up the minimal CFG stuff always when optimize > 0.  Call
11556         split_all_insns_noflow in PIC case if needed.
11557
11558 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11559             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11560
11561         PR c++/18279
11562         * c-decl.c (c_write_global_declarations): Dump contents of
11563         external scope to.
11564         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11565         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11566         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11567         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11568         is enabled.
11569
11570 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11571
11572         * c-common.h (GCC_DIAG_STYLE): Define.
11573         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11574         version for format checking to 4.1.
11575         * c-format.c: Include toplev.h after c-common.h.
11576         (enum format_type): Add gcc_tdiag_format_type.
11577         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11578         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11579         (format_types_orig): Add gcc_tdiag.
11580         (init_dynamic_diag_info): Support gcc_tdiag formats.
11581         (handle_format_attribute): Likewise.
11582         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11583         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11584         version for format checking to 4.1.
11585         (warning0, warning, error, pedwarn, sorry): Use
11586         ATTRIBUTE_GCC_DIAG.
11587         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11588         (finish_aliases_1): Do not use %qE.
11589         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11590         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11591         Correct format bugs.
11592         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11593         parameter to unsigned HOST_WIDE_INT.
11594         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11595
11596 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11597
11598         PR middle-end/21742
11599         * expr.c (write_complex_part): Use adjust_address for MEM.
11600         (read_complex_part): Same.
11601
11602 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11603
11604         Fix PR tree-optimization/22280
11605
11606         * tree-sra.c (generate_element_init): Remove useless loop.
11607
11608 2005-07-02  Richard Henderson  <rth@redhat.com>
11609
11610         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11611         TLS_MODEL_NONE.
11612         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11613
11614 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11615
11616         PR middle-end/14490
11617         * fold-const.c (fold_binary): Handle the return value of
11618         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11619         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11620
11621 2005-07-02  Jeff Law  <law@redhat.com>
11622
11623         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11624         a eliminate type conversion which feeds an equality comparison
11625         if the original type or either operand in the comparison is a
11626         function pointer.
11627
11628 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11629
11630         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11631         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11632         texts.
11633         * config/avr/avr.c: Do not use '`' as left quote.
11634         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11635         Remove "." from end of diagnostics.  Make diagnostics start with
11636         lowercase letter.
11637
11638 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11639             Joseph S. Myers  <joseph@codesourcery.com>
11640
11641         * toplev.c (default_tree_printer): Handle setting location with
11642         '+' flag.
11643         * c-objc.common.c (c_tree_printer): Likewise.
11644         * c-format.c (gcc_diag_flag_specs): Add '+'.
11645         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11646         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11647         formats.
11648         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11649         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11650         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11651         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11652         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11653         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11654         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11655         format arguments where %J is used without %D.
11656
11657 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11658
11659         * gcc.c (LINK_SSP_SPEC): Define.
11660         (link_ssp_spec): New variable.
11661         (LINK_COMMAND_SPEC): Add %(link_ssp).
11662         (static_specs): Add link_ssp_spec.
11663         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11664         * configure: Rebuilt.
11665         * config.in: Rebuilt.
11666
11667         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11668         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11669         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11670         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11671         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11672         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11673         -0x7008(2) instead of reading __stack_chk_guard variable.
11674         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11675         number.
11676         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11677         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11678         if TARGET_THREAD_SSP_OFFSET is defined.
11679         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11680         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11681
11682         Revert:
11683         2005-06-27  Richard Henderson  <rth@redhat.com>
11684         * libgcc-std.ver (GCC_4.1.0): New.
11685         * libgcc.h (__stack_chk_guard): Declare.
11686         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11687         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11688         * mklibgcc.in (lib2funcs): Add them.
11689
11690 2005-07-01  Richard Henderson  <rth@redhat.com>
11691
11692         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11693         void * before struct sigcontext *.
11694         (x86_fallback_frame_state): Likewise.
11695
11696 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11697
11698         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11699
11700 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11701
11702         PR tree-opt/22269
11703         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11704         we check for SSA_NAME for.
11705
11706 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11707
11708         Fix PR tree-optimization/22071
11709
11710         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11711         function.
11712         (get_constraint_for_component_ref): Use it.
11713
11714 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11715
11716         PR other/22264
11717         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11718         print out the last new line.
11719
11720 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11721
11722         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11723         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11724         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11725         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11726         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11727         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11728         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11729         (enum reg_class): New member CC0_REGS.
11730         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11731         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11732         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11733         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11734         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11735         Adjust for register now described.
11736
11737 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11738
11739         PR target/22262
11740         * config/i386/i386.md (stack_protect_test_si,
11741         stack_protect_test_di): Add earlyclobber for scratch 3.
11742         * config/rs6000/rs6000.md (stack_protect_testsi,
11743         stack_protect_testdi): Add earlyclobber for scratch 3,
11744         remove earlyclobber from scratch 4.
11745
11746 Older entries for 2005 can be found in ChangeLog-2005.