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1 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2
3         * doc/install.texi: Document m68k-uclinuxoldabi.
4         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
5         * config/m68k/uclinux-oldabi.h: New file, copied from
6         config/m68k/uclinux.h.
7
8 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9
10         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
12         (m32r_compute_frame_size): Use unsigned for regno.
13         (m32r_reload_lr): Use gen_frame_mem.
14         (pop): New.
15         (m32r_output_function_epilogue): Don't output the function epilogue
16         textually here.
17         (m32r_expand_epilogue): New.
18         (direct_return): Return false if the function has the interrupt
19         attribute.
20         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
21         * config/m32r/m32r.md (epilogue): New expander.
22         (return_lr, return_rte): New insns.
23         (return): Make it expander.
24         (return_normal): New expander.
25
26 2007-01-18  Josh Conner  <jconner@apple.com>
27
28         PR target/30485
29         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
30         support for UNLE, UNLT, UNGE, and UNGT.
31
32 2007-01-18  Jan Hubicka  <jh@suse.cz>
33
34         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
35         * tree-tailcall (add_virtual_phis): Likewise.
36         (optimize_tail_call): Return TODOs.
37         (execute_tail_calls): Return TODOs.
38         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
39         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
40         changed.
41         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
42         Cleanup cfg using TODO.
43         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
44         * passes.c (execute_function_todo): When cleanup did something, remove
45         unused locals.
46         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
47         (make_edges): Don't cleanup_cfg.
48
49 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
50
51         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
52         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
53         operate on the top of stack.
54         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
55         register handling of instructions that output to the second
56         stack slot.
57         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
58         (move_for_stack_reg): Special-case check for dead destination
59         stack slot for constant load of 1.0 inside UNSPEC_TAN.
60
61         * config/i386/i386.md (UNSPEC_TAN): New constant.
62         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
63         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
64         to correctly model move of constant 1.0 to top stack slot.
65         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
66         (unnamed peephole2 pattern): Remove corresponding peephole2
67         pattern that optimizes tan insn and loading of constant 1.0.
68         (tanxf2): Use fptanxf4_i387.
69         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
70         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
71         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
72         disable patterns for SSE math.
73         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
74         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
75
76 2007-01-18  Dirk Mueller  <dmueller@suse.de>
77             Richard Guenther <rguenther@suse.de>
78
79         PR diagnostic/8268
80         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
81         * common.opt (Warray-bounds): Add new warning option.
82         * c-opts.c (c_common_handle_option): Define -Warray-bounds
83         if -Wall is given.
84         * Makefile.in: make tree-vrp.o depend on toplev.h
85         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
86         is enabled.
87         (check_array_refs, check_array_bounds, check_array_ref): New.
88
89 2007-01-18  Jan Hubicka  <jh@suse.cz>
90
91         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
92         (execute_ssa_ccp): Return flags conditionally.
93         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
94         changed.
95         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
96
97 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
98
99         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
100         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
101
102         * Makefile.c (GTFILES): Add cfglayout.h.
103         * gengtype.c (open_base_files): Likewise.
104         * cfglayout.c (cfg_layout_function_footer,
105         cfg_layout_function_header) Reindent to make gengtype happy.
106         * cfglayout.h (cfg_layout_function_footer,
107         cfg_layout_function_header): Add GTY(()) marker.
108
109         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
110
111 2007-01-18  Ben Elliston  <bje@au.ibm.com>
112
113         * genautomata.c (write_automata): Include xstrerror output in the
114         error message if writing the DFA description file fails.
115
116 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
117
118         * config/mips/mips-protos.h (mips_output_external): Make it
119         return void.
120         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
121         * config/mips/mips.c (irix_output_external_libcall): Likewise.
122         (extern_list): Likewise.
123         (extern_head): Likewise.
124         (TARGET_ASM_FILE_END): Likewise.
125         (mips_file_end): Likewise.
126         (mips_output_external): Rewritten.
127
128 2007-01-18  Ben Elliston  <bje@au.ibm.com>
129
130         * genpreds.c (write_insn_preds_c): Only write out the function
131         body for regclass_for_constraint if we have register constraints.
132
133 2007-01-17  Tom Tromey  <tromey@redhat.com>
134
135         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
136         * doc/install.texi (Testing): Use sourceware.org.
137         (Binaries): Likewise.
138         (Specific): Likewise.
139         * doc/contrib.texi (Contributors): Use sourceware.org.
140
141 2007-01-17  Anatoly Sokolov <aesok@post.ru>
142
143         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
144         (AVR_ENHANCED): Rename to ...
145         (AVR_HAVE_MUL): ... new.
146         (avr_enhanced_p): Rename to ...
147         (avr_have_mul_p): ... new.
148         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
149         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
150         * config/avr/avr.c (avr_enhanced_p): Rename to ...
151         (avr_have_mul_p): ... new.
152         (base_arch_s): Rename 'enhanced' to 'have_mul'.
153         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
154         'avr_enhanced_p' and 'enhanced'.
155         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
156         AVR_HAVE_MUL instead of AVR_ENHANCED.
157         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
158         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
159         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
160         instead of AVR_ENHANCED.
161         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
162         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
163         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
164
165 2007-01-17  Ian Lance Taylor  <iant@google.com>
166
167         * vec.h (VEC_reserve_exact): Define.
168         (vec_gc_p_reserve_exact): Declare.
169         (vec_gc_o_reserve_exact): Declare.
170         (vec_heap_p_reserve_exact): Declare.
171         (vec_heap_o_reserve_exact): Declare.
172         (VEC_OP (T,A,reserve_exact)): New static inline function, three
173         versions.
174         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
175         negative parameter.
176         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
177         (VEC_OP (T,A,copy)) [all versions]: Likewise.
178         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
179         * vec.c (calculate_allocation): Add exact parameter.  Change all
180         callers.
181         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
182         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
183         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
184         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
185         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
186         (vec_heap_p_reserve_exact): New function.
187         (vec_heap_o_reserve_exact): New function.
188
189 2007-01-17  Jan Hubicka  <jh@suse.cz>
190
191         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
192
193 2007-01-17  Eric Christopher  <echristo@apple.com>
194
195         * config.gcc: Support core2 processor.
196
197 2007-01-16  Jan Hubicka  <jh@suse.cz>
198
199         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
200         the names, just unlink the chain so we don't crash on dangling pointers
201         to dead SSA names.
202
203 2007-01-16  Jan Hubicka  <jh@suse.cz>
204
205         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
206         * tree-pass.h: Reorder to make IPA passes appear toegher.
207         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
208         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
209         parameters, do not call early inliner.
210         * ipa-inline.c: Update comments.  Include tree-flow.h
211         (cgraph_decide_inlining): Do not compute inlining parameters.
212         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
213         be called with function context set up.
214         (pass_ipa_inline): Remove unreachable functions before pass.
215         (cgraph_early_inlining): Simplify assuming to be called from the
216         PM as local pass.
217         (pass_early_inline): New pass.
218         (cgraph_gate_ipa_early_inlining): New gate.
219         (pass_ipa_early_inline): Turn into simple wrapper.
220         (compute_inline_parameters): New function.
221         (gate_inline_passes): New gate.
222         (pass_inline_parameters): New pass.
223         (apply_inline): Move here from tree-optimize.c
224         (pass_apply_inline): New pass.
225         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
226         transforming.
227         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
228         doing them by hand.
229         (tree_function_versioning): Do not allocate dummy struct function.
230         * tree-inline.h (optimize_inline_calls): Update prototype.
231         * tree-optimize.c (execute_fixup_cfg): Export.
232         (pass_fixup_cfg): Remove
233         (tree_rest_of_compilation): Do not apply inlines.
234         * tree-flow.h (execute_fixup_cfg): Declare.
235         * Makefile.in (gt-passes.c): New.
236         * passes.c: Include gt-passes.h
237         (init_optimization_passes): New passes.
238         (nnodes, order): New static vars.
239         (do_per_function_toporder): New function.
240         (execute_one_pass): Dump current pass here.
241         (execute_ipa_pass_list): Don't dump current pass here.
242
243 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
244
245         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
246         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
247
248 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
249
250         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
251         (strong_alias): Define.
252         (__gcc_qmul): Provide non-FMA for soft-float.
253         (__gcc_qdiv): Same.
254         (__gcc_qneg): New.
255         (__gcc_qeq): New.
256         (__gcc_qle): New.
257         (__gcc_qge): New.
258         (__gcc_qunord): New.
259         (__gcc_stoq): New.
260         (__gcc_dtoq): New.
261         (__gcc_qtos): New.
262         (__gcc_qtod): New.
263         (__gcc_qtoi): New.
264         (__gcc_qtou): New.
265         (__gcc_itoq): New.
266         (__gcc_utoq): New.
267         (fmsub): New.
268         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
269         soft-float functions.
270         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
271         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
272         about long double soft float.
273
274 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
275             Tehila Meyzels  <tehila@il.ibm.com>
276
277         * tree-vectorizer.h (is_pattern_stmt_p): New.
278         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
279         formatting (tabs instead of spaces). Cleanup and clarify setting
280         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
281         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
282         (vectorizable_type_demotion): Check that types are integral.
283         (vectorizable_type_promotion): Likewise.
284         (vectorizable_store): Fix typo.  Eliminate new-line at end of
285         comments.
286
287 2007-01-16  Jan Hubicka  <jh@suse.cz>
288
289         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
290         cgraph edges too.
291
292 2007-01-15  Eric Christopher  <echristo@apple.com>
293
294         * ifcvt.c: Include vec.h, vecprim.h.
295         (check_cond_move_block): New argument regs.
296         Reorganize. Add registers used to regs.
297         (cond_move_process_if_block): Use regs set above as
298         loop bounds.
299
300 2007-01-15  Eric Christopher  <echristo@apple.com>
301
302         * config/darwin.h: Update copyright.
303         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
304         (LINK_COMMAND_SPEC): Add -u.
305         (LINK_SPEC): Fix umbrella for above.
306
307 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
308
309         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
310         glibc CVS.
311
312 2007-01-15  Tom Tromey  <tromey@redhat.com>
313
314         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
315         * doc/install.texi (Testing): Don't mention jacks.
316         (Configuration): Document --enable-java-maintainer-mode.  Move
317         --with-java-home to libgcj-specific section.  Document
318         --with-ecj-jar.
319         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
320
321 2007-01-15  Jan Hubicka  <jh@suse.cz>
322
323         * tree-ssa-dce.c (DCE_TODOs): New.
324         (propagate_necessity): Return if something changed.
325         (eliminate_unnecessary_stmts): Likewise.
326         (perform_tree_ssa_dce): Return TODO flags when needed.
327         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
328
329 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
330
331         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
332         (fyl2x_extend<mode>xf3_i387): New insn pattern.
333         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
334         patterns using X87MODEF12 mode macro.  Extend operand 1
335         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
336         (log10<mode>2): Ditto.
337         (log2<mode>2): Ditto.
338         (log1p<mode>2): Ditto.
339         (logb<mode>2): Ditto.
340         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
341         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
342         (*fxtractxf3_i387): Rename from *fxtractxf3.
343         (fxtract_extend<mode>xf3_i387): New insn pattern.
344         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
345         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
346         and gen_fyl2xxf3_i387().
347
348 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
349
350         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
351         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
352         get_loop_exit_edges.  Changed return type to bool.
353         * cfgloop.h (fix_loop_placement): Declaration removed.
354
355 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
356
357         * param.h (MIN_VECT_LOOP_BOUND): New.
358         * params.def (MIN_VECT_LOOP_BOUND): New.
359         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
360         argument - minimum threshold for number of iterations.
361         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
362         argument to declaration.
363         * tree-vect-analyze.c (vect_analyze_operations): Check value of
364         MIN_VECT_LOOP_BOUND.
365         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
366         slpeel_tree_peel_loop_to_edge with additional argument.
367         (vect_do_peeling_for_alignment): Likewise.
368         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
369
370 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
371
372         PR target/30413
373         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
374         operands of size 1.
375
376 2007-01-14  Jan Hubicka  <jh@suse.cz>
377
378         * tree-dfa.c (remove_referenced_var): New function.
379         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
380         prune referenced vars list too.
381         * tree-flow.h (remove_referenced_var): Declare.
382
383 2007-01-14  Jan Hubicka  <jh@suse.cz>
384
385         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
386         separately.
387         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
388         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
389         * except.h (verify_eh_throw_table_statements): Kill prototype.
390         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
391         into call exrepssions.
392         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
393         eh trhow verifier.
394         * tree-cfg.c: Include pointer-set.h.
395         (verify_node_sharing): Work on pointer set.
396         (verify_eh_throw_stmt_node): New.
397         (verify_stmts): Use pointers sets, verify throw_stmt.
398
399 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
400
401         * ipa-reference.c (analyze_function): Consider also addresses taken
402         in phi nodes.
403
404 2007-01-12  Roger Sayle  <roger@eyesopen.com>
405
406         * c-typeck.c (null_pointer_constant_p): Replace use of
407         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
408         (build_c_cast): Likewise.
409
410 2007-01-12  Roger Sayle  <roger@eyesopen.com>
411
412         * tree.h (force_fit_type_double): Remove unused final argument.
413         * c-common.c (constant_expression_warning): Replace use of
414         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
415         (convert_and_check): Likewise.
416         (shorten_compare): Update call to force_fit_type_double.
417         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
418         * convert.c (convert_to_pointer): Update call to
419         force_fit_type_double.
420         * fold-const.c (force_fit_type_double): Remove overflowed_const
421         argument.
422         (int_const_binop, fold_convert_const_int_from_int,
423         fold_convert_const_int_from_real, fold_div_compare,
424         fold_sign_changed_comparison, fold_unary, fold_negate_const,
425         fold_abs_const, fold_not_const): Remove the final argument from
426         calls to force_fit_type_double.
427
428 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
429
430         * configure.ac: Set insn to "nop" for spu-*-* also.
431         * configure: Regenerate.
432
433 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
434
435         * builtins.def : Add BUILT_IN_FREE.
436
437 2007-01-12  Jan Hubicka  <jh@suse.cz>
438
439         PR tree-optimization/30443
440         * tree-inline.c (tree_function_versioning): Do not optimize when
441         cloning for inlining.
442
443 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
444
445         * doc/loop.texi: Document recording of loop exits.
446         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
447         (update_single_exits_after_duplication,
448         update_single_exit_for_duplicated_loop,
449         update_single_exit_for_duplicated_loops): Removed.
450         (duplicate_loop_to_header_edge): Do not call
451         update_single_exits_after_duplication and
452         update_single_exit_for_duplicated_loops.
453         (loop_version): Do not update single_exit information.
454         (fix_loop_structure): Use record_loop_exits instead of
455         mark_single_exit_loops.
456         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
457         the lists of loop exits.
458         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
459         split_edge, merge_blocks): Update the lists of loop exits.
460         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
461         loop_optimizer_init.
462         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
463         of mark_single_exit_loops.
464         (loop_optimizer_finalize): Call release_recorded_exits.
465         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
466         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
467         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
468         update single exit information.
469         * lambda-code.c (perfect_nestify): Ditto.
470         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
471         (mark_single_exit_loops): Removed.
472         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
473         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
474         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
475         functions.
476         (get_loop_exit_edges, single_exit): Use recorded exit lists.
477         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
478         (verify_loop_structure): Verify consistency of the exit lists.
479         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
480         (set_single_exit): Removed.
481         * cfgloop.h (struct loop_exit): New function.
482         (struct loop): single_exit_ field replaced by exits field.
483         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
484         (struct loops): Added exits hash.
485         (mark_single_exit_loops, set_single_exit): Declaration removed.
486         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
487
488 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
489
490         * doc/invoke.texi: Avoid use of @headitem.
491
492 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
493
494         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
495
496 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
497
498         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
499         list of targets.
500
501 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
502             Richard Sandiford  <richard@codesourcery.com>
503
504         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
505         * config/m68k/m68k.opt: Resort options.
506         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
507
508 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
509             Richard Sandiford  <richard@codesourcery.com>
510
511         * doc/invoke.texi: Document the macros that are defined by
512         m68k's -mtune and -mhard-float options.
513         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
514         (m68k_cpp_cpu_family): Likewise.
515         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
516         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
517         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
518         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
519         (m68k_cpp_cpu_family): Likewise.
520
521 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
522
523         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
524         macros besides mc68000 as tuning macros.  Use a switch statement
525         to set them and mcpu32.
526
527 2007-01-12  Julian Brown  <julian@codesourcery.com>
528
529         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
530         (TARGET_68040_ONLY): Rename to...
531         (TARGET_68040): ...this.
532         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
533         * config/m68k/m68k.md: Likewise.
534
535 2007-01-12  Julian Brown  <julian@codesourcery.com>
536             Nathan Sidwell  <nathan@codesourcery.com>
537             Richard Sandiford  <richard@codesourcery.com>
538
539         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
540         the -mcpu= argument associated with the --with-cpu setting.
541         Define M68K_DEFAULT_TUNE to the default -mtune= option,
542         if different from the one implied by the -mcpu setting.
543         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
544         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
545         * doc/invoke.texi: Mention ColdFire in the introduction to the
546         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
547         -mno-div and -mhard-float options.  Make -m68881 a synonym for
548         -mhard-float.  Document the previously-undocumented -m5206e,
549         -m528x, -m5307 and -m5407 options.  Tweak the existing option
550         documentation for consistency.
551         * doc/install.texi: Mention new --with-cpu arguments.
552         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
553         default CPU if neither -mcpu nor -march are specified.
554         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
555         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
556         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
557         using m68k_tune to decide between families that implement the
558         same ISA.  Use m68k_tune to set __mcfv4e__.
559         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
560         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
561         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
562         (FL_ISA_C, FL_ISA_MMU): New macros.
563         (MASK_COLDFIRE): Delete.
564         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
565         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
566         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
567         (TARGET_HARD_FLOAT): Do not define here.
568         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
569         (TUNE_68000): New macro.
570         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
571         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
572         (TUNE_CFV2): Redefine in terms of m68k_tune.
573         (uarch_type, target_device, fpu_type): New enums.
574         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
575         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
576         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
577         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
578         (FL_FOR_isa_c): New macros.
579         (m68k_isa): New enum.
580         (m68k_target_selection): New structure.
581         (all_devices, all_isas, all_microarchs): New tables.
582         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
583         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
584         (MASK_ALL_CPU_BITS): Delete.
585         (m68k_find_selection): New function.
586         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
587         Map the legacy target options to a combination of the new ones.
588         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
589         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
590         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
591         settings.
592         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
593         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
594         properties.
595         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
596         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
597         * config/m68k/m68k-devices.def: New file.
598
599 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
600             Nathan Sidwell  <nathan@codesourcery.com>
601
602         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
603         (SUBTARGET_EXTRA_SPECS): New macros.
604         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
605         use %(asm_cpu_spec) instead.
606         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
607         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
608         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
609         (EXTRA_SPECS): Rename to...
610         (SUBTARGET_EXTRA_SPECS): ...this.
611
612 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
613             Richard Sandiford  <richard@codesourcery.com>
614             Julian Brown  <julian@codesourcery.com>
615
616         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
617         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
618         to the configuration's default CPU.
619         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
620         Remove default masks.
621         (m680[012]0-*-*): Set the default with_cpu to the first part of
622         the target name.
623         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
624         (m68k*-*-linux): Extend the --with-cpu handling to...
625         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
626         and m68010.  Don't set target_cpu_default2.
627         * doc/install.texi: Document --with-cpu for m68k.
628         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
629         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
630         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
631         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
632         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
633         (ASM_SPEC): Remove use of %(asm_cpu_default).
634         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
635         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
636         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
637         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
638         __HAVE_FPU__ if TARGET_HARD_FLOAT.
639         (TARGET_DEFAULT): Delete.
640         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
641         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
642         (CPP_CPU_SPEC): Delete.
643         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
644         the appropriate string.
645         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
646         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
647         (ASM_SPEC): Don't use %(asm_default_spec).
648         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
649         TARGET_DEFAULT and add MASK_68881.
650         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
651
652 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
653
654         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
655         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
656         MASK_68010 alongside MASK_68020.
657         * doc/invoke.texi: Document -m68010.
658         * config/m68k/m68k.opt (m68010): New.
659         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
660         if TUNE_68010.
661         (TUNE_68010): New macro.
662         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
663         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
664         (M68K_CPU_m68332): Add MASK_68010.
665         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
666         fallback definition.
667         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
668         defines.
669         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
670         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
671         to all entries that use MASK_68020.
672         (output_move_simode_const, output_move_himode, output_move_qimode)
673         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
674         instead of TARGET_68020 to select clr behavior.  Remove comment
675         about there being no TARGET_68010.
676         * config/m68k/m68k.md: Likewise throughout.
677
678 2007-01-12  Julian Brown  <julian@codesourcery.com>
679
680         * config/m68k/m68k.h (TARGET_ISAB): New macro.
681         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
682         * config/m68k/m68k.md: Likewise.
683
684 2007-01-12  Julian Brown  <julian@codesourcery.com>
685
686         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
687         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
688
689 2007-01-12  Julian Brown  <julian@codesourcery.com>
690
691         * config/m68k/m68k.h (TUNE_68040_60): New macro.
692         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
693         * config/m68k/m68k.md: Likewise.
694
695 2007-01-12  Julian Brown  <julian@codesourcery.com>
696             Richard Sandiford  <richard@codesourcery.com>
697
698         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
699         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
700         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
701         TARGET_CPU32.
702         (TARGET_CPU32): Rename to...
703         (TUNE_CPU32): ...this.
704         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
705         (TUNE_CFV2): New macros.
706         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
707         remove conditions that are implied by TARGET_68020.
708         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
709         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
710         (m68k_output_function_epilogue): Likewise.
711         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
712         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
713         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
714         non-68000 timings.  Refactor multiplication and division costs.
715         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
716         TUNE_CPU32 instead of TARGET_CPU32.
717         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
718         and TUNE_68060 instead of TARGET_68060.
719         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
720         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
721         TARGET_CPU32.
722         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
723         && !TARGET_COLDFIRE" to choose between moveq and clr.
724         Likewise in the unnamed movsf pattern.
725         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
726         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
727         ashiftrt pattern.
728
729 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
730
731         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
732         of tabbing before backslashes.
733
734 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
735
736         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
737         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
738         (ASM_OUTPUT_INTERNAL_LABEL): Define.
739
740 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
741
742         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
743         find_interesting_uses_cond.
744         (find_interesting_uses_cond): Use extract_cond_operands.
745         (rewrite_use_compare): Use extract_cond_operands and
746         force_gimple_operand_bsi.  Do not call update_stmt.
747         (determine_use_iv_cost_condition): Use extract_cond_operands.
748         Return cheaper of using original bound and changing the exit bound.
749
750 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
751
752         PR tree-optimization/29516
753         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
754         most_expensive_mult_to_index, addr_to_parts,
755         create_mem_ref, maybe_fold_tmr): Make the type of
756         fields of TARGET_MEM_REF sizetype.
757         (move_fixed_address_to_symbol, move_pointer_to_base):
758         New functions.
759         * tree.def (TARGET_MEM_REF): Add comment on types of
760         the operands.
761
762 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
763
764         * c-common.c (vector_types_convertible_p): Treat opaque types as
765         always convertible if they have the same size, but not otherwise.
766
767 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
768
769         * ifcvt.c (struct noce_if_info): Add comments to the fields.
770         Remove the b_unconditional field.
771         (noce_try_sign_mask): Do not look at b_unconditional.
772         (noce_process_if_block): Do not use merge_if_blocks.  Update
773         the CFG here.  Do not set b_unconditional.
774         (cond_move_process_if_block): Likewise.
775         (find_cond_trap): Likewise.
776         (check_cond_move_block): Require simple jump insns at the end
777         of the basic block.
778
779 2007-01-11  Jan Hubicka  <jh@suse.cz>
780
781         PR tree-optimization/1046
782         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
783         when alias info is not ready.
784         (pass_tail_recursion): Do not require aliasing.
785         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
786         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
787         * tree-ssa-copy.c (pass_copy_prop): Likewise.
788         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
789         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
790         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
791         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
792         before inlining.
793         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
794         When aliasing is not build, mark statement as volatile.
795
796 2007-01-11  Tom Tromey  <tromey@redhat.com>
797
798         PR preprocessor/15185, PR preprocessor/20989:
799         * doc/cppopts.texi <-MT>: Update description of algorithm for
800         computing default target.
801         <-M, -MD>: Reword "basename" text.
802
803 2007-01-11  Roger Sayle  <roger@eyesopen.com>
804
805         * builtins.c (expand_builtin_pow, expand_builtin_powi,
806         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
807         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
808         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
809         fold_builtin_bswap, real_constp, fold_builtin_pow,
810         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
811         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
812         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
813         * convert.c (convert_to_pointer): Likewise.
814         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
815         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
816         const_binop, fold_convert_const_int_from_int,
817         fold_convert_const_int_from_real,
818         fold_convert_const_real_from_real, sign_bit_p,
819         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
820         fold_sign_changed_comparison, fold_unary, fold_comparison,
821         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
822         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
823         * print-tree.c (print_node_brief, print_node): Likewise.
824         * stor-layout.c (place_field, layout_type): Likewise.
825         * tree-chrec.c (keep_cast): Likewise.
826         * tree.c (build_vector, build_real, build_real_from_int_cst,
827         build_complex): Likewise.
828
829 2007-01-11  Roger Sayle  <roger@eyesopen.com>
830
831         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
832         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
833
834 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
835
836         * configure.ac (strict1_warn): Rename to strict_warn.
837         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
838         cc_set_by_configure, quoted_cc_set_by_configure,
839         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
840         all_boot_languages, all_stagestuff): Remove.
841         (target_list): Remove bootstrap targets.
842         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
843         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
844         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
845         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
846         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
847         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
848         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
849         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
850         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
851         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
852         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
853         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
854         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
855         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
856         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
857         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
858         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
859         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
860         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
861         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
862         (mostlyclean): Adjust.
863         (clean, distclean): Don't mention bootstrap stuff.
864         * configure: Regenerate.
865         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
866         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
867         treelang/config-lang.in (stagestuff): Remove.
868         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
869         stageprofile, stagefeedback, stagestuff): Remove mention.
870
871 2007-01-11  Nick Clifton  <nickc@redhat.com>
872
873         * config/mcore/predicates.md (mcore_general_movesrc_operand):
874         Accept CONSTs.
875         (mcore_general_movdst_operand): Do not accept CONST_INTs.
876         (mcore_arith_K_S_operand): Run the test for the S constraint not
877         the test for the M constraint.
878         (mcore_addsub_operand): Do not accept integer values that are
879         larger than 32 bits.
880         * config/mcore/mcore.md: Remove unused constraints from split.
881         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
882         (addsi3): Likewise.
883         (allocate_stack): Likewise.
884         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
885         operands to 32 bits.
886         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
887         INTVAL.
888         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
889         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
890         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
891         mcore_output_bclri, mcore_output_andn, output_inline_const,
892         mcore_output_move, mcore_output_movedouble): Likewise.
893         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
894         (output_inline_const): Likewise.
895         (output_inline_const): Fix format strings used in sprintf
896         statements.
897         * config/mcore/mcore-protos.h: Update prototypes for changed
898         functions in mcore.c.
899         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
900         HOST_WIDE_INT and not int.
901         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
902         CONST_OK_FOR_N): Likewise.
903         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
904         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
905         an INTVAL.
906
907 2007-01-10  Jan Hubicka  <jh@suse.cz>
908
909         * tree-vrp.c (remove_range_assertions): Release defs.
910         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
911         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
912
913 2007-01-10  Paul Brook  <paul@codesourcery.com>
914
915         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
916         * config/arm/arm.md (mulsi3subsi): New insn.
917
918 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
919
920         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
921         (tree_transform_and_unroll_loop): New.
922         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
923         Declare.
924
925 2007-01-10  Robert Kennedy <jimbob@google.com>
926
927         * fold-const.c (fold_comparison): Fold comparisons like (x *
928         1000 < 0) to (x < 0).
929
930 2007-01-10  Ian Lance Taylor  <iant@google.com>
931
932         * tree-pretty-print.c (dump_generic_node): Print parentheses when
933         operands have the same priority.
934
935 2007-01-10  Tom Tromey  <tromey@redhat.com>
936
937         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
938         (fold_binary): Likewise.
939         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
940         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
941         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
942         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
943         * langhooks.h (struct lang_hooks): Removed field
944         'can_use_bit_fields_p'.
945
946 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
947
948         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
949
950 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
951
952         * function.c (get_last_funcdef_no): New function.
953         * function.h (get_last_funcdef_no): Declare.
954         * tree-inline.c (initialize_cfun): Add initialization.
955         (tree_function_versioning): Cleanup.
956
957 2007-01-10  Jan Hubicka  <jh@suse.cz>
958
959         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
960         PHIs.
961
962 2007-01-10  Sa Liu  <saliu@de.ibm.com>
963             Ben Elliston  <bje@au.ibm.com>
964
965         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
966         for SAVE_NONLOCAL and Pmode for any other save level.
967         * spu-protos.h (spu_restore_stack_block): Declare.
968         * spu.md (save_stack_block): Remove.
969         (restore_stack_block): Call spu_restore_stack_block.
970         * spu.c (spu_restore_stack_block): New function.
971         (spu_expand_epilogue): Remove old comment.
972
973 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
974
975         PR tree-optimization/30322
976         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
977         (cand_value_at): Return the value as aff_tree.
978         (may_eliminate_iv): Convert the bound from aff_tree to tree.
979         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
980         aff_combination_mult): New functions.
981         (aff_combination_add): Use aff_combination_add_cst.
982         (aff_combination_convert): Allow conversions to a wider type.
983         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
984         * tree-affine.h (aff_combination_mult): Declare.
985
986 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
987
988         * doc/tm.texi: Update documentation to reflect reality of exec
989         and start file search behaviours. Update copyright year.
990         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
991         header file directories.
992
993 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
994
995         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
996         (*cosxf2): Rename to cosxf2_i387.
997         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
998         using X87MODEF12 mode macro. Rename patterns to
999         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1000         for SSE math.
1001         (*cosdf2, *cossf2): Ditto.
1002         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1003         to match extended input operands.
1004         (sincos<mode>3): New expander.
1005         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1006         insn patterns and corresponding splitters.
1007
1008 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1009
1010         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1011         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1012
1013 2007-01-09  Nicolas Pitre  <nico@cam.org>
1014
1015         PR target/30173
1016         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1017
1018 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1019
1020         * target.h (struct gcc_target): New field library_rtti_comdat.
1021         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1022         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1023         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1024         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1025
1026 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1027
1028         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1029
1030 2007-01-08  Richard Guenther  <rguenther@suse.de>
1031
1032         * tree.h (force_fit_type_double): Export.
1033         (force_fit_type): Remove.
1034         * fold-const.c (force_fit_type_double): New function.
1035         (force_fit_type): Remove.
1036         (int_const_binop): Use it.
1037         (fold_convert_const_int_from_int): Likewise.
1038         (fold_convert_const_int_from_real): Likewise.
1039         (fold_div_compare): Likewise.
1040         (fold_sign_changed_comparison): Likewise.
1041         (fold_unary): Likewise.
1042         (fold_negate_const): Likewise.
1043         (fold_abs_const): Likewise.
1044         (fold_not_const): Likewise.
1045         * c-common.c (shorten_compare): Use force_fit_type_double.
1046         * convert.c (convert_to_pointer): Likewise.
1047
1048 2007-01-08  Richard Guenther  <rguenther@suse.de>
1049
1050         * tree.h (build_int_cst_wide_type): Export.
1051         * tree.c (build_int_cst_wide_type): New function.
1052         (build_int_cst_wide): Fix comment.
1053         * builtins.c (fold_builtin_object_size): Use build_int_cst
1054         to build -1 or 0 of the correct type.  Use fit_double_type
1055         to check for overflow.
1056         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1057         to build the mask.
1058         (decode_field_reference): Likewise.
1059         (all_ones_mask_p): Likewise.
1060         (native_interpret_int): Use build_int_cst_wide_type.
1061         (fold_binary): Use build_int_cst_type to build an all-ones
1062         value.
1063         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1064
1065 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1066
1067         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1068
1069 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1070
1071         * genautomata.c (STATS_OPTION): New option.
1072         (stats_flag): New flag.
1073         (gen_automata_option): Handle it.
1074         (initiate_automaton_gen): Ditto.
1075         (write_automata): Output statistics only if stats_flag is
1076         set. Likewise, output time statistics only if time_flag is set.
1077         * doc/md.texi (Processor pipeline description): Document new flag.
1078
1079 2007-01-08  Richard Guenther  <rguenther@suse.de>
1080
1081         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1082         * tree.c (build_int_cst_type): Likewise.
1083         (size_in_bytes): Don't call force_fit_type on the result.
1084         (int_fits_type_p): Use fit_double_type.
1085         * fold-const.c (fit_double_type): New function.
1086         (force_fit_type): Use it.
1087         * tree.h (fit_double_type): Export.
1088
1089 2007-01-08  Jan Hubicka  <jh@suse.cz>
1090
1091         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1092         * ipa.c (function_and_variable_visibility): Fix return type.
1093
1094 2007-01-08  Richard Guenther  <rguenther@suse.de>
1095
1096         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1097         of offset to build the index.
1098         * tree-pretty-print.c (dump_generic_node): Don't build negated
1099         const just for printing.
1100         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1101         * builtins.c (fold_builtin_int_roundingfn): Check if result
1102         fits the type by using force_fit_type and comparing the result.
1103         * predict.c (predict_loops): Use compare_tree_int for comparison.
1104         * tree.c (build_int_cst): Fall back to integer_type_node for
1105         NULL_TREE type.
1106         (build_int_cst_wide): Assert type is non-null.
1107
1108 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1109
1110         * tree-vrp.c (extract_range_from_cond_expr): New.
1111         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1112         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1113         as expressions.
1114         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1115         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1116         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1117         used as expressions.
1118         * tree-object-size.c (cond_expr_object_size): New.
1119         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1120
1121 2007-01-08  Jan Hubicka  <jh@suse.cz>
1122
1123         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1124         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1125         statement.
1126
1127 2007-01-08  Richard Guenther  <rguenther@suse.de>
1128
1129         PR tree-optimization/23603
1130         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1131         (extract_range_from_binary): Fall back to truthvalue instead of
1132         varying for TRUTH_*_EXPR.
1133         (extract_range_from_comparison): Fall back to truthvalue instead of
1134         varying.
1135         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1136         if all visited PHI values were constant.
1137
1138 2007-01-08  Jan Hubicka  <jh@suse.cz>
1139
1140         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1141         (cgraph_analyze_function): break out from ...
1142         (cgraph_finalize_compilation_unit): ... here.
1143         (cgraph_expand_function): Remove forgoten commented out line.
1144         (cgraph_optimize): Analyze functions.
1145
1146 2007-01-08  Jan Hubicka  <jh@suse.cz>
1147
1148         * tree-pas.h (TODO_remove_function): New flag.
1149         (TODO_update*): Renumber.
1150         (pass_ipa_increase_alignment,
1151         pass_ipa_function_and_variable_visibility): New passes.
1152         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1153         (cgraph_function_and_variable_visibility): Move to ipa.c
1154         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1155         cgraph_increase_alignment.
1156         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1157         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1158         calling tree-inline.
1159         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1160         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1161         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1162         (gate_increase_alignment): New function.
1163         (pass_ipa_increase_alignment): New pass.
1164         * ipa.c: Inline tree-pass.h and timevar.h
1165         (function_and_variable_visibility): Move here from cgraphunit.c
1166         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1167         * passes.c (init_optimization_passes): Add the two new passes.
1168         (execute_todo): Handle cgraph_remove_functions.
1169
1170 2007-01-08  Nick Clifton  <nickc@redhat.com>
1171
1172         * config/frv/predicates.md (reg_or_0_operand): Accept
1173         CONST_DOUBLEs.
1174
1175 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1176
1177         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1178         * config.gcc: Add bfin*-rtems*.
1179
1180 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1181
1182         * c.opt: Add -flax-vector-conversions.
1183         * c-typeck.c (convert_for_assignment): Pass flag to
1184         vector_types_convertible_p to allow emission of note.
1185         (digest_init): Likewise.
1186         * c-opts.c: Handle -flax-vector-conversions.
1187         * c-common.c (flag_lax_vector_conversions): New.
1188         (vector_types_convertible_p): Unless -flax-vector conversions
1189         has been passed, disallow conversions between vectors with
1190         differing numbers of subparts and/or element types.  If such
1191         a conversion is disallowed, possibly emit a note on the first
1192         occasion only to inform the user of -flax-vector-conversions.
1193         The new last argument specifies this.
1194         * c-common.h (flag_lax_vector_conversions): New.
1195         (vector_types_convertible_p): Add extra argument.
1196         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1197         char_type_node for V*QI type vectors.
1198         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1199         Update to satisfy new typechecking rules.
1200         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1201         C and C++ variants.
1202         * doc/invoke.texi (C Dialect Options): Document
1203         -flax-vector-conversions.
1204
1205 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1206
1207         PR tree-optimization/29877
1208         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1209         a register variable on the RHS to not be replaceable.
1210
1211 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1212         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1213         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1214         const_simm15, const_pow2, const_npow2): Added.
1215         * config/score/misc.md (insv, extv, extzv, movmemsi,
1216         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1217         * config/score/score.c (score_address_cost, score_select_cc_mode):
1218         Added.
1219         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1220         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1221         Update score_print_operand.
1222         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1223         Adjust register allocate order and update some macro define.
1224         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1225         mdx_block_move_straight, mdx_block_move_loop_head,
1226         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1227         mdx_block_move): Added.
1228         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1229         mdp_limm): Updated and fix some bug and typo.
1230         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1231         (movsf, movdf, doloop_end): Added.
1232
1233 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1234
1235         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1236         config/arm/thumb2.md: Fix comment typos.
1237         * doc/extend.texi: Fix a typo.
1238
1239 2007-01-07  Eric Christopher  <echristo@apple.com>
1240
1241         * configure.ac: Check for __stack_chk_fail for darwin.
1242         * configure: Regenerate.
1243
1244 2007-01-07  Richard Guenther  <rguenther@suse.de>
1245
1246         * tree-vrp.c (extract_range_from_assert): CSE calls to
1247         compare_values where possible.
1248         (extract_range_from_unary_expr): Likewise.
1249
1250 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1251
1252         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1253         * config/avr/avr.c (call_insn_operand): Delete function.
1254         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1255         instead of register number. Use predicates.
1256         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1257         call_insn_operand): Add.
1258
1259 2007-01-06  Jan Hubicka  <jh@suse.cz>
1260
1261         * tree-pass.h (pass_build_cgraph_edges): Declare.
1262         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1263         (visited_nodes): Remove.
1264         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1265         build_cgrpah_edges; make visited_nodes local.
1266         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1267         (record_references_in_initializer): Move to cgraphbuild.c
1268         (initialize_inline_failed, rebuild_cgraph_edges,
1269         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1270         (verify_cgraph_node): Make visited_nodes local.
1271         (cgraph_analyze_function): Do not call cgraph_create_edges and
1272         initialize_inline_failed.
1273         (cgraph_expand_function): Do not call cgraph_lower_function;
1274         assert that function is already lowered.
1275         * Makefile.in (cgraphbuild.o): New.
1276         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1277         at the end of lowering passes.
1278
1279 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1280
1281         * ifcvt.c (cond_move_convert_if_block): New function, code
1282         factored out from...
1283         (cond_move_process_if_block): ...here.  Call the new function
1284         on the THEN and ELSE blocks.
1285         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1286         already takes care of this.
1287
1288 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1289
1290         PR c/19978
1291         * tree.h (TREE_OVERFLOW_P): New.
1292         * c-typeck.c (parser_build_unary_op): Warn only if result
1293         overflowed and operands did not.
1294         (parser_build_binary_op): Likewise.
1295         (convert_for_assignment): Remove redundant overflow_warning.
1296         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1297
1298 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1299
1300         * c-typeck.c (store_init_value): Split over two lines to follow
1301         the GNU coding style.
1302
1303 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1304
1305         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1306         __GXX_EXPERIMENTAL_CXX0X__.
1307         * doc/cpp.texi: Same.
1308
1309 2007-01-05  Richard Guenther  <rguenther@suse.de>
1310
1311         PR middle-end/27826
1312         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1313         with mismatched types.  Instead explicitly build a
1314         conversion NOP_EXPR.
1315
1316 2007-01-05  Ian Lance Taylor  <iant@google.com>
1317
1318         * c-common.c (decl_with_nonnull_addr_p): New function.
1319         (c_common_truthvalue_conversion): Call it.
1320         * c-typeck.c (build_binary_op): Likewise.
1321         * c-common.h (decl_with_nonnull_addr_p): Declare.
1322
1323 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1324
1325         PR c/30360
1326         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1327         denom against 0.0.
1328
1329 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1330
1331         * doc/install.texi (Final install): Document the fact that
1332         the GNAT runtime should not be stripped.
1333
1334 2007-01-04  Jan Hubicka  <jh@suse.cz>
1335
1336         * tree-inline.c (fold_marked_statements): Update operand caches
1337         and EH after folding
1338
1339 2007-01-04  Ian Lance Taylor  <iant@google.com>
1340
1341         * c-common.c (check_function_nonnull): Whitespace fix.
1342
1343 2007-01-04  Jan Hubicka  <jh@suse.cz>
1344
1345         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1346         comitted older version of patch.
1347         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1348         function, celanup cfg and collect garbage.
1349
1350 2007-01-04  Mike Stump  <mrs@apple.com>
1351
1352         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1353         (clean): Likewise.
1354
1355 2007-01-04  Eric Christopher  <echristo@apple.com>
1356
1357         * libgcc2.c (__bswapsi2): Use SItype.
1358         (__bswapdi2): Use DItype.
1359         * libgcc2.h: Update for above.
1360
1361 2007-01-04  Paul Brook  <paul@codesourcery.com>
1362
1363         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1364         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1365         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1366         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1367         umulsi3_highpart): Make conditional on !arm_arch6.
1368         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1369         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1370         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1371         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1372         umulsi3_highpart_v6): New insns.
1373
1374 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1375
1376         * fold-const.c (fold_convert): When casting an expression to void,
1377         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1378         have a type.  Instead of attempting to build a NOP_EXPR, return
1379         these "special" trees directly.
1380
1381 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1382
1383         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1384         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1385         rs6000_cost->fp not 0 as adjustment for outer NEG.
1386
1387 2007-01-04  Jan Hubicka  <jh@suse.cz>
1388
1389         * cgraph.c (cgraph_release_function_body): New function.
1390         (cgraph_remove_node): Use it.
1391         * cgraph.h (cgraph_release_function_body): Declare.
1392         * cgraphunit.c (cgraph_expand_function): Use it.
1393         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1394         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1395         is initialized and while compilation of other function is running.
1396         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1397         statement CFG annotations from here to ...
1398         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1399
1400 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1401
1402         * cfgloop.h (enum li_flags): Make the constants powers of two.
1403
1404 2007-01-04  Jan Hubicka  <jh@suse.cz>
1405
1406         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1407         set.
1408         (fold_marked_statements): New function.
1409         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1410         * tree-inline.h (copy_body_data): Add statements_to_fold.
1411
1412 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1413
1414         * config.gcc: Mention libgcc/config.host.
1415         * Makefile.in: Update comments mentioning libgcc.
1416         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1417         (all.cross, start.encap, rest.encap, rest.cross): Update
1418         dependencies for libgcc move.
1419         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1420         (clean-target, clean-target-libgcc): Delete.
1421         (srcdirify, GCC_EXTRA_PARTS): New macros.
1422         (libgcc-support, libgcc.mvars): New rules.
1423         (distclean): Remove mention of mklibgcc.
1424         (install): Don't reference INSTALL_LIBGCC.
1425         (install-common): Don't reference EXTRA_PARTS.
1426         (install-libgcc, install-multilib): Delete rules.
1427         * mklibgcc.in: Delete file.
1428         * doc/configfiles.texi: Don't mention mklibgcc.
1429
1430         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1431         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1432         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1433         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1434         (mklibgcc, ldblspecs): Likewise.
1435
1436         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1437         (posixpre.def): Use $(T).
1438         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1439         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1440         (SHLIB_LINK): Make dummy.
1441         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1442
1443         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1444
1445         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1446         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1447         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1448         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1449
1450         * configure.ac (all_outputs): Remove mklibgcc.
1451         * configure: Regenerated.
1452
1453 2007-01-03  Josh Conner  <jconner@apple.com>
1454
1455         PR middle-end/29683
1456         * calls.c (compute_argument_addresses): Set stack and stack_slot
1457         for partial args, too.
1458         (store_one_arg): Use locate.size.constant for the size when
1459         generating a save_area.
1460
1461 2007-01-03  Robert Kennedy <jimbob@google.com>
1462
1463         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1464         whose definitions are deleted due to basic block merging.
1465
1466 2007-01-03  Paul Brook  <paul@codesourcery.com>
1467
1468         PR target/16634
1469         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1470         functions.
1471         (use_return_insn): Return 0 for Thumb interrupt functions.
1472         (print_multi_reg): Add rfe argument for IRQ returns.
1473         (arm_output_epilogue): Pop interrupt return address directly into PC.
1474         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1475
1476 2007-01-03  Paul Brook  <paul@codesourcery.com>
1477
1478         Merge from sourcerygxx-4_1.
1479         * config/arm/thumb2.md: New file.
1480         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1481         Thumb-2.
1482         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1483         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1484         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1485         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1486         tables.
1487         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1488         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1489         comptibility.
1490         * config/arm/ieee754-sf.S: Ditto.
1491         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1492         (thumb1_base_register_rtx_p): ... to this.
1493         (thumb_index_register_rtx_p): Rename...
1494         (thumb1_index_register_rtx_p): ... to this.
1495         (thumb_output_function_prologue): Rename...
1496         (thumb1_output_function_prologue): ... to this.
1497         (thumb_legitimate_address_p): Rename...
1498         (thumb1_legitimate_address_p): ... to this.
1499         (thumb_rtx_costs): Rename...
1500         (thumb1_rtx_costs): ... to this.
1501         (thumb_compute_save_reg_mask): Rename...
1502         (thumb1_compute_save_reg_mask): ... to this.
1503         (thumb_final_prescan_insn): Rename...
1504         (thumb1_final_prescan_insn): ... to this.
1505         (thumb_expand_epilogue): Rename...
1506         (thumb1_expand_epilogue): ... to this.
1507         (arm_unwind_emit_stm): Rename...
1508         (arm_unwind_emit_sequence): ... to this.
1509         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1510         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1511         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1512         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1513         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1514         thumb2_output_casesi): New functions.
1515         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1516         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1517         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1518         THUMB2_WORK_REGS): Define.
1519         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1520         arm_condexec_mask, arm_condexec_masklen)): New variables.
1521         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1522         (arm_override_options): Check new CPU capabilities.
1523         Set new architecture flag variables.
1524         (arm_isr_value): Handle v7m interrupt functions.
1525         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1526         Thumb-2.
1527         (const_ok_for_arm): Handle Thumb-2 constants.
1528         (arm_gen_constant): Ditto.  Use movw when available.
1529         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1530         functions.
1531         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1532         (thumb_find_work_register, arm_load_pic_register,
1533         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1534         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1535         print_multi_reg, output_mov_long_double_fpa_from_arm,
1536         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1537         output_mov_double_fpa_from_arm, output_move_double,
1538         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1539         output_return_instruction, arm_output_function_prologue,
1540         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1541         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1542         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1543         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1544         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1545         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1546         '!' and 'L'.
1547         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1548         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1549         (arm_file_start): Output directive for unified syntax.
1550         (arm_unwind_emit_set): Handle stack alignment instruction.
1551         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1552         Add v6t2, v7, v7a, v7r and v7m.
1553         (RETLDM): Add Thumb-2 code.
1554         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1555         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1556         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1557         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1558         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1559         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1560         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1561         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1562         ADJUST_INSN_LENGTH): Define.
1563         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1564         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1565         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1566         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1567         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1568         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1569         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1570         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1571         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1572         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1573         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1574         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1575         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1576         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1577         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1578         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1579         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1580         cortex-m3.
1581         * config/arm/arm-tune.md: Regenerate.
1582         * config/arm/arm-protos.h: Update prototypes.
1583         * config/arm/vfp.md: Enable patterns for Thumb-2.
1584         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1585         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1586         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1587         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1588         * config/arm/libunwind.S: Add Thumb-2 code.
1589         * config/arm/constraints.md: Update include Thumb-2.
1590         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1591         * config/arm/ieee754-df.S: Ditto.
1592         * config/arm/bpabi.S: Ditto.
1593         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1594         * config/arm/predicates.md (low_register_operand,
1595         low_reg_or_int_operand, thumb_16bit_operator): New.
1596         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1597         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1598         * config/arm/t-arm-elf: Add armv7 multilib.
1599         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1600         Include thumb2.md.
1601         (UNSPEC_STACK_ALIGN, ce_count): New.
1602         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1603         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1604         insns/expanders.
1605         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1606         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1607         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1608         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1609         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1610         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1611         insns.
1612         * doc/extend.texi: Document ARMv7-M interrupt functions.
1613         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1614
1615 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1616
1617         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1618         (struct _Unwind_Context): Rename args_size to flags, remove
1619         signal_frame field, add a new args_size field and version field.
1620         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1621         _Unwind_IsExtendedContext): New inline functions.
1622         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1623         Assume by_value array is only present if _Unwind_IsExtendedContext.
1624         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1625         _Unwind_IsSignalFrame.
1626         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1627         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1628         (uw_init_context_1): Initialize context->flags to
1629         EXTENDED_CONTEXT_BIT.
1630         * config/rs6000/linux-unwind.h (frob_update_context): Use
1631         _Unwind_SetSignalFrame.
1632
1633 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1634
1635         PR middle-end/30353
1636         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1637         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1638         the value.
1639
1640 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1641
1642         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1643         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1644         RET, AT_SP): Remove.
1645         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1646         instead of RET.
1647
1648         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1649         * cfgbuild.c (find_basic_blocks): Likewise.
1650         * cfgrtl.c (rtl_create_basic_block): Likewise.
1651         * function.c (temp_slots_at_level): Likewise.
1652         * reg-stack.c (stack_regs_mentioned): Likewise.
1653         * regclass.c (allocate_reg_info): Likewise.
1654         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1655         set_bb_for_stmt, move_block_to_fn): Likewise.
1656         * tree-complex.c (tree_lower_complex): Likewise.
1657         * vec.h (VEC_safe_grow_cleared): New.
1658
1659         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1660
1661 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1662
1663         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1664         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1665         to loop_version.
1666         * cfgloopmanip.c (scale_loop_frequencies): Export.
1667         (loopify): Scale the frequencies by prescribed coefficients.
1668         (set_zero_probability): New function.
1669         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1670         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1671         and frequencies according to arguments.
1672         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1673         correctly.
1674         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1675         * modulo-sched.c (sms_schedule): Set probabilities for entering
1676         versioned loop correctly.
1677         * tree-vect-transform.c (vect_transform_loop): Ditto.
1678         * cfgloop.h (loopify, loop_version): Declaration changed.
1679         (scale_loop_frequencies): Declared.
1680
1681 2007-01-02  Jan Hubicka  <jh@suse.cz>
1682
1683         * cgraph.c: Include tree-flow.h
1684         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1685         early_local_passes.
1686         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1687         * tree-pass.h (pass_all_early_optimizations): Declare.
1688         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1689         early_local_passes.
1690         (cgraph_analyze_function): Do early_local_passes.
1691         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1692         Do not add referenced vars.
1693         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1694         SSA form.
1695         (gate_all_early_local_passes): New gate.
1696         (pass_early_local_passes): Use new gate.
1697         (execute_early_local_optimizations): New functions.
1698         (gate_all_early_optimizations): New gate.
1699         (pass_all_early_optimizations): New pass.
1700         (execute_free_datastructures): Free SSA only when initialized.
1701         (gate_init_datastructures): Init only when optimizing.
1702         (tree_lowering_passes): Do early local passes when called late.
1703         * tree-profile.c (do_tree_profiling): Don't profile functions added
1704         late.
1705         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1706         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1707         not active.
1708         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1709         during early_local_passes.
1710         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1711
1712
1713 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1714
1715         * Makefile.in: Update copyright year.
1716
1717 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1718
1719         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1720         in $(lang_checks) and check-consistency targets.
1721
1722 2007-01-02  Jan Hubicka  <jh@suse.cz>
1723
1724         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1725         Do not add referenced vars.
1726         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1727         are not active.
1728         * passes.c (init_optimization_passes): Put mudflap_2 after
1729         free_datastructures.
1730
1731 2007-01-02  Jan Hubicka  <jh@suse.cz>
1732
1733         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1734         Set NOTHROW flag on call statements proved to be nothrow.
1735         Update statement of local calls so new pure/const functions are
1736         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1737         goto receivers.
1738         (tree_rest_of_compilation): Register hooks and initialize bitmap
1739         early. Do not set after_inlining flag.
1740
1741 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1742
1743         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1744         HOST_BITS_PER_LONGLONG
1745
1746 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1747
1748         PR c/19977
1749         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1750         warning for non-static initializers.
1751
1752 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1753
1754         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1755         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1756         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1757         Always use set_unique_reg_note to add REG_EQUAL notes.
1758
1759 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1760
1761         Revert:
1762         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1763
1764         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1765         * cfgbuild.c (find_basic_blocks): Likewise.
1766         * cfgrtl.c (rtl_create_basic_block): Likewise.
1767         * function.c (temp_slots_at_level): Likewise.
1768         * reg-stack.c (stack_regs_mentioned): Likewise.
1769         * regclass.c (allocate_reg_info): Likewise.
1770         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1771         set_bb_for_stmt, move_block_to_fn): Likewise.
1772         * tree-complex.c (tree_lower_complex): Likewise.
1773         * vec.h (VEC_safe_grow_cleared): New.
1774
1775 2007-01-02  Ian Lance Taylor  <iant@google.com>
1776
1777         * c-common.c (c_common_truthvalue_conversion): When warning about
1778         using an assignment as a truth value, set TREE_NO_WARNING.
1779
1780 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1781
1782         PR middle-end/7651
1783         * c.opt (Wold-style-declaration): New.
1784         * doc/invoke.texi (C-only Warning Options): New.
1785         (Wold-style-declaration): Document it.
1786         (Wextra): Enabled by -Wextra.
1787         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1788         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1789         -Wold-style-declaration.
1790
1791 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1792
1793         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1794         * cfgbuild.c (find_basic_blocks): Likewise.
1795         * cfgrtl.c (rtl_create_basic_block): Likewise.
1796         * function.c (temp_slots_at_level): Likewise.
1797         * reg-stack.c (stack_regs_mentioned): Likewise.
1798         * regclass.c (allocate_reg_info): Likewise.
1799         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1800         set_bb_for_stmt, move_block_to_fn): Likewise.
1801         * tree-complex.c (tree_lower_complex): Likewise.
1802         * vec.h (VEC_safe_grow_cleared): New.
1803
1804 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1805
1806         * c-common.c(c_common_nodes_and_builtins): Since variants of
1807         void_type_node get built before it is given a name, we need to
1808         give those variants the name, too.
1809         (complete_array_type): We need to work with the canonical main
1810         type of the array, from which we will build the qualified version.
1811         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1812         * print-tree.c (print_node): Display canonical type information
1813         for each type.
1814         * stor-layout.c (layout_type): When we don't know the
1815         alignment of a type for which we're building an array, we end up
1816         guessing wrong, so make the type require structural equality.
1817         * tree.c (make_node_stat): When we build a new type, it is its
1818         own canonical type.
1819         (build_type_attribute_qual_variant): When building an attribute
1820         variant, its canonical type is the non-attribute variant. However,
1821         if the attributes are target-dependent and they differ, we need to
1822         use structural equality checks for this type.
1823         (build_qualified_type): A qualified type is not equivalent to its
1824         unqualified variant; set the canonical type appropriately.
1825         (build_distinct_type_copy): When building a distinct type from
1826         another type, the new type is its own canonical type.
1827         (build_variant_type_copy): When building a new type variant, we
1828         assume that it is equivalent to the original type.
1829         (build_pointer_type_for_mode): When building a pointer type, also
1830         build a canonical type pointer.
1831         (build_reference_type_for_mode): When building a reference type,
1832         also build a canonical type reference.
1833         (build_index_type): When we can't hash an index type (e.g.,
1834         because its maximum value is negative), the index type requires
1835         structural equality tests.
1836         (build_array_type): Build the canonical form of an array type.
1837         (build_function_type): Function types require structural equality,
1838         because they contain default arguments, attributes, etc.
1839         (build_method_type_directly): Ditto for method types.
1840         (build_offset_type): Build the canonical offset type.
1841         (build_complex_type): Build the canonical vector type.
1842         (make_vector_type): Build the canonical vector type.
1843         * tree.h (TYPE_CANONICAL): New.
1844         (TYPE_STRUCTURAL_EQUALITY_P): New.
1845         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1846         (struct tree_type): Added "canonical" field.
1847         * params.h (VERIFY_CANONICAL_TYPES): New.
1848         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1849         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1850         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1851         * doc/invoke.texi (verify-canonical-types): Document --param
1852         parameter for verifying canonical types.
1853
1854 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1855
1856         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1857         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1858         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1859         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1860         tm_file.
1861         * config/rs6000/e500.h: New.
1862         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1863         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1864         Remove.
1865         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1866         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1867         TARGET_E500_DOUBLE): Remove.
1868         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1869         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1870         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1871         * config/rs6000/rs6000.c (rs6000_override_options): Use
1872         CHECK_E500_OPTIONS.
1873
1874 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1875
1876         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1877         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1878         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1879         rs6000_emit_cmove): Don't check TARGET_E500.
1880         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1881         sordered): Don't check TARGET_E500.
1882
1883 2007-01-01  Eric Christopher  <echristo@apple.com>
1884
1885         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1886         HARD_REGISTER_NUM_P.
1887
1888 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1889
1890         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1891         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1892         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1893         eq/ne Y".
1894
1895 2007-01-01  Mike Stump  <mrs@apple.com>
1896
1897         * configure.ac: Remove support for building with Apple's gcc-3.1.
1898
1899 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1900
1901         PR middle-end/30311
1902         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1903         REG is a hard register.  Do not modify REG before calling
1904         subreg_nregs.
1905         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1906         multiple of the size of YMODE for certain lowpart cases.
1907
1908 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1909
1910         PR middle-end/30253
1911         * gimplify (voidify_wrapper_expr): Update for
1912         GIMPLE_MODIFY_STMT.
1913
1914 2007-01-01  Andreas Schwab  <schwab@suse.de>
1915
1916         PR target/29166
1917         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1918         save of BR0 in extra_spill_size instead of spill_size.
1919         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1920         area.
1921         (ia64_expand_epilogue): Restore BR0 from its new location.
1922
1923 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1924
1925         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1926         Use a temporary variable if the left hand side is not a gimple
1927         register.
1928
1929 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1930
1931         * gimplify.c (gimplify_return_expr): Make the temporary variable
1932         for the return expression, a gimple register variable.
1933
1934 2007-01-01  Jan Hubicka  <jh@suse.cz>
1935
1936         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1937         INSN_LIST.
1938
1939 2007-01-01  Mike Stump  <mrs@apple.com>
1940
1941         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1942         .literal16.
1943         * config/darwin.c (machopic_select_rtx_section): Use
1944         HAVE_GAS_LITERAL16.
1945         (darwin_mergeable_constant_section): Likewise.
1946         * configure: Regenerate.
1947         * config.in: Regenerate.
1948
1949 2007-01-01  Jan Hubicka  <jh@suse.cz>
1950             Andrew Pinski  <pinskia@gmail.com>
1951
1952         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1953         before starting IPA passes.