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1 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2
3         * config.gcc (m68k-*-uclinux*): Base the port on the common
4         and m68k GNU/Linux files rather than on the generic ELF ones.
5         * config/m68k/uclinux.h (TARGET_VERSION): Override.
6         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7
8 2007-01-18  Julian Brown  <julian@codesourcery.com>
9             Richard Sandiford  <richard@codesourcery.com>
10
11         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
12         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
14         before redefining.
15         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
16         80 unconditionally.
17         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
18
19 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
20
21         * doc/install.texi: Document m68k-uclinuxoldabi.
22         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
23         * config/m68k/uclinux-oldabi.h: New file, copied from
24         config/m68k/uclinux.h.
25
26 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
27
28         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
29         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
30         (m32r_compute_frame_size): Use unsigned for regno.
31         (m32r_reload_lr): Use gen_frame_mem.
32         (pop): New.
33         (m32r_output_function_epilogue): Don't output the function epilogue
34         textually here.
35         (m32r_expand_epilogue): New.
36         (direct_return): Return false if the function has the interrupt
37         attribute.
38         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
39         * config/m32r/m32r.md (epilogue): New expander.
40         (return_lr, return_rte): New insns.
41         (return): Make it expander.
42         (return_normal): New expander.
43
44 2007-01-18  Josh Conner  <jconner@apple.com>
45
46         PR target/30485
47         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
48         support for UNLE, UNLT, UNGE, and UNGT.
49
50 2007-01-18  Jan Hubicka  <jh@suse.cz>
51
52         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
53         * tree-tailcall (add_virtual_phis): Likewise.
54         (optimize_tail_call): Return TODOs.
55         (execute_tail_calls): Return TODOs.
56         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
57         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
58         changed.
59         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
60         Cleanup cfg using TODO.
61         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
62         * passes.c (execute_function_todo): When cleanup did something, remove
63         unused locals.
64         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
65         (make_edges): Don't cleanup_cfg.
66
67 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
68
69         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
70         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
71         operate on the top of stack.
72         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
73         register handling of instructions that output to the second
74         stack slot.
75         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
76         (move_for_stack_reg): Special-case check for dead destination
77         stack slot for constant load of 1.0 inside UNSPEC_TAN.
78
79         * config/i386/i386.md (UNSPEC_TAN): New constant.
80         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
81         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
82         to correctly model move of constant 1.0 to top stack slot.
83         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
84         (unnamed peephole2 pattern): Remove corresponding peephole2
85         pattern that optimizes tan insn and loading of constant 1.0.
86         (tanxf2): Use fptanxf4_i387.
87         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
88         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
89         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
90         disable patterns for SSE math.
91         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
92         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
93
94 2007-01-18  Dirk Mueller  <dmueller@suse.de>
95             Richard Guenther <rguenther@suse.de>
96
97         PR diagnostic/8268
98         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
99         * common.opt (Warray-bounds): Add new warning option.
100         * c-opts.c (c_common_handle_option): Define -Warray-bounds
101         if -Wall is given.
102         * Makefile.in: make tree-vrp.o depend on toplev.h
103         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
104         is enabled.
105         (check_array_refs, check_array_bounds, check_array_ref): New.
106
107 2007-01-18  Jan Hubicka  <jh@suse.cz>
108
109         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
110         (execute_ssa_ccp): Return flags conditionally.
111         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
112         changed.
113         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
114
115 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
116
117         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
118         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
119
120         * Makefile.c (GTFILES): Add cfglayout.h.
121         * gengtype.c (open_base_files): Likewise.
122         * cfglayout.c (cfg_layout_function_footer,
123         cfg_layout_function_header) Reindent to make gengtype happy.
124         * cfglayout.h (cfg_layout_function_footer,
125         cfg_layout_function_header): Add GTY(()) marker.
126
127         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
128
129 2007-01-18  Ben Elliston  <bje@au.ibm.com>
130
131         * genautomata.c (write_automata): Include xstrerror output in the
132         error message if writing the DFA description file fails.
133
134 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
135
136         * config/mips/mips-protos.h (mips_output_external): Make it
137         return void.
138         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
139         * config/mips/mips.c (irix_output_external_libcall): Likewise.
140         (extern_list): Likewise.
141         (extern_head): Likewise.
142         (TARGET_ASM_FILE_END): Likewise.
143         (mips_file_end): Likewise.
144         (mips_output_external): Rewritten.
145
146 2007-01-18  Ben Elliston  <bje@au.ibm.com>
147
148         * genpreds.c (write_insn_preds_c): Only write out the function
149         body for regclass_for_constraint if we have register constraints.
150
151 2007-01-17  Tom Tromey  <tromey@redhat.com>
152
153         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
154         * doc/install.texi (Testing): Use sourceware.org.
155         (Binaries): Likewise.
156         (Specific): Likewise.
157         * doc/contrib.texi (Contributors): Use sourceware.org.
158
159 2007-01-17  Anatoly Sokolov <aesok@post.ru>
160
161         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
162         (AVR_ENHANCED): Rename to ...
163         (AVR_HAVE_MUL): ... new.
164         (avr_enhanced_p): Rename to ...
165         (avr_have_mul_p): ... new.
166         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
167         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
168         * config/avr/avr.c (avr_enhanced_p): Rename to ...
169         (avr_have_mul_p): ... new.
170         (base_arch_s): Rename 'enhanced' to 'have_mul'.
171         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
172         'avr_enhanced_p' and 'enhanced'.
173         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
174         AVR_HAVE_MUL instead of AVR_ENHANCED.
175         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
176         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
177         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
178         instead of AVR_ENHANCED.
179         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
180         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
181         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
182
183 2007-01-17  Ian Lance Taylor  <iant@google.com>
184
185         * vec.h (VEC_reserve_exact): Define.
186         (vec_gc_p_reserve_exact): Declare.
187         (vec_gc_o_reserve_exact): Declare.
188         (vec_heap_p_reserve_exact): Declare.
189         (vec_heap_o_reserve_exact): Declare.
190         (VEC_OP (T,A,reserve_exact)): New static inline function, three
191         versions.
192         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
193         negative parameter.
194         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
195         (VEC_OP (T,A,copy)) [all versions]: Likewise.
196         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
197         * vec.c (calculate_allocation): Add exact parameter.  Change all
198         callers.
199         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
200         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
201         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
202         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
203         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
204         (vec_heap_p_reserve_exact): New function.
205         (vec_heap_o_reserve_exact): New function.
206
207 2007-01-17  Jan Hubicka  <jh@suse.cz>
208
209         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
210
211 2007-01-17  Eric Christopher  <echristo@apple.com>
212
213         * config.gcc: Support core2 processor.
214
215 2007-01-16  Jan Hubicka  <jh@suse.cz>
216
217         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
218         the names, just unlink the chain so we don't crash on dangling pointers
219         to dead SSA names.
220
221 2007-01-16  Jan Hubicka  <jh@suse.cz>
222
223         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
224         * tree-pass.h: Reorder to make IPA passes appear toegher.
225         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
226         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
227         parameters, do not call early inliner.
228         * ipa-inline.c: Update comments.  Include tree-flow.h
229         (cgraph_decide_inlining): Do not compute inlining parameters.
230         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
231         be called with function context set up.
232         (pass_ipa_inline): Remove unreachable functions before pass.
233         (cgraph_early_inlining): Simplify assuming to be called from the
234         PM as local pass.
235         (pass_early_inline): New pass.
236         (cgraph_gate_ipa_early_inlining): New gate.
237         (pass_ipa_early_inline): Turn into simple wrapper.
238         (compute_inline_parameters): New function.
239         (gate_inline_passes): New gate.
240         (pass_inline_parameters): New pass.
241         (apply_inline): Move here from tree-optimize.c
242         (pass_apply_inline): New pass.
243         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
244         transforming.
245         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
246         doing them by hand.
247         (tree_function_versioning): Do not allocate dummy struct function.
248         * tree-inline.h (optimize_inline_calls): Update prototype.
249         * tree-optimize.c (execute_fixup_cfg): Export.
250         (pass_fixup_cfg): Remove
251         (tree_rest_of_compilation): Do not apply inlines.
252         * tree-flow.h (execute_fixup_cfg): Declare.
253         * Makefile.in (gt-passes.c): New.
254         * passes.c: Include gt-passes.h
255         (init_optimization_passes): New passes.
256         (nnodes, order): New static vars.
257         (do_per_function_toporder): New function.
258         (execute_one_pass): Dump current pass here.
259         (execute_ipa_pass_list): Don't dump current pass here.
260
261 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
262
263         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
264         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
265
266 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
267
268         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
269         (strong_alias): Define.
270         (__gcc_qmul): Provide non-FMA for soft-float.
271         (__gcc_qdiv): Same.
272         (__gcc_qneg): New.
273         (__gcc_qeq): New.
274         (__gcc_qle): New.
275         (__gcc_qge): New.
276         (__gcc_qunord): New.
277         (__gcc_stoq): New.
278         (__gcc_dtoq): New.
279         (__gcc_qtos): New.
280         (__gcc_qtod): New.
281         (__gcc_qtoi): New.
282         (__gcc_qtou): New.
283         (__gcc_itoq): New.
284         (__gcc_utoq): New.
285         (fmsub): New.
286         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
287         soft-float functions.
288         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
289         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
290         about long double soft float.
291
292 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
293             Tehila Meyzels  <tehila@il.ibm.com>
294
295         * tree-vectorizer.h (is_pattern_stmt_p): New.
296         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
297         formatting (tabs instead of spaces). Cleanup and clarify setting
298         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
299         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
300         (vectorizable_type_demotion): Check that types are integral.
301         (vectorizable_type_promotion): Likewise.
302         (vectorizable_store): Fix typo.  Eliminate new-line at end of
303         comments.
304
305 2007-01-16  Jan Hubicka  <jh@suse.cz>
306
307         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
308         cgraph edges too.
309
310 2007-01-15  Eric Christopher  <echristo@apple.com>
311
312         * ifcvt.c: Include vec.h, vecprim.h.
313         (check_cond_move_block): New argument regs.
314         Reorganize. Add registers used to regs.
315         (cond_move_process_if_block): Use regs set above as
316         loop bounds.
317
318 2007-01-15  Eric Christopher  <echristo@apple.com>
319
320         * config/darwin.h: Update copyright.
321         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
322         (LINK_COMMAND_SPEC): Add -u.
323         (LINK_SPEC): Fix umbrella for above.
324
325 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
326
327         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
328         glibc CVS.
329
330 2007-01-15  Tom Tromey  <tromey@redhat.com>
331
332         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
333         * doc/install.texi (Testing): Don't mention jacks.
334         (Configuration): Document --enable-java-maintainer-mode.  Move
335         --with-java-home to libgcj-specific section.  Document
336         --with-ecj-jar.
337         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
338
339 2007-01-15  Jan Hubicka  <jh@suse.cz>
340
341         * tree-ssa-dce.c (DCE_TODOs): New.
342         (propagate_necessity): Return if something changed.
343         (eliminate_unnecessary_stmts): Likewise.
344         (perform_tree_ssa_dce): Return TODO flags when needed.
345         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
346
347 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
348
349         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
350         (fyl2x_extend<mode>xf3_i387): New insn pattern.
351         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
352         patterns using X87MODEF12 mode macro.  Extend operand 1
353         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
354         (log10<mode>2): Ditto.
355         (log2<mode>2): Ditto.
356         (log1p<mode>2): Ditto.
357         (logb<mode>2): Ditto.
358         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
359         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
360         (*fxtractxf3_i387): Rename from *fxtractxf3.
361         (fxtract_extend<mode>xf3_i387): New insn pattern.
362         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
363         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
364         and gen_fyl2xxf3_i387().
365
366 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
367
368         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
369         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
370         get_loop_exit_edges.  Changed return type to bool.
371         * cfgloop.h (fix_loop_placement): Declaration removed.
372
373 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
374
375         * param.h (MIN_VECT_LOOP_BOUND): New.
376         * params.def (MIN_VECT_LOOP_BOUND): New.
377         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
378         argument - minimum threshold for number of iterations.
379         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
380         argument to declaration.
381         * tree-vect-analyze.c (vect_analyze_operations): Check value of
382         MIN_VECT_LOOP_BOUND.
383         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
384         slpeel_tree_peel_loop_to_edge with additional argument.
385         (vect_do_peeling_for_alignment): Likewise.
386         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
387
388 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
389
390         PR target/30413
391         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
392         operands of size 1.
393
394 2007-01-14  Jan Hubicka  <jh@suse.cz>
395
396         * tree-dfa.c (remove_referenced_var): New function.
397         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
398         prune referenced vars list too.
399         * tree-flow.h (remove_referenced_var): Declare.
400
401 2007-01-14  Jan Hubicka  <jh@suse.cz>
402
403         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
404         separately.
405         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
406         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
407         * except.h (verify_eh_throw_table_statements): Kill prototype.
408         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
409         into call exrepssions.
410         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
411         eh trhow verifier.
412         * tree-cfg.c: Include pointer-set.h.
413         (verify_node_sharing): Work on pointer set.
414         (verify_eh_throw_stmt_node): New.
415         (verify_stmts): Use pointers sets, verify throw_stmt.
416
417 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
418
419         * ipa-reference.c (analyze_function): Consider also addresses taken
420         in phi nodes.
421
422 2007-01-12  Roger Sayle  <roger@eyesopen.com>
423
424         * c-typeck.c (null_pointer_constant_p): Replace use of
425         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
426         (build_c_cast): Likewise.
427
428 2007-01-12  Roger Sayle  <roger@eyesopen.com>
429
430         * tree.h (force_fit_type_double): Remove unused final argument.
431         * c-common.c (constant_expression_warning): Replace use of
432         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
433         (convert_and_check): Likewise.
434         (shorten_compare): Update call to force_fit_type_double.
435         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
436         * convert.c (convert_to_pointer): Update call to
437         force_fit_type_double.
438         * fold-const.c (force_fit_type_double): Remove overflowed_const
439         argument.
440         (int_const_binop, fold_convert_const_int_from_int,
441         fold_convert_const_int_from_real, fold_div_compare,
442         fold_sign_changed_comparison, fold_unary, fold_negate_const,
443         fold_abs_const, fold_not_const): Remove the final argument from
444         calls to force_fit_type_double.
445
446 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
447
448         * configure.ac: Set insn to "nop" for spu-*-* also.
449         * configure: Regenerate.
450
451 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
452
453         * builtins.def : Add BUILT_IN_FREE.
454
455 2007-01-12  Jan Hubicka  <jh@suse.cz>
456
457         PR tree-optimization/30443
458         * tree-inline.c (tree_function_versioning): Do not optimize when
459         cloning for inlining.
460
461 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
462
463         * doc/loop.texi: Document recording of loop exits.
464         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
465         (update_single_exits_after_duplication,
466         update_single_exit_for_duplicated_loop,
467         update_single_exit_for_duplicated_loops): Removed.
468         (duplicate_loop_to_header_edge): Do not call
469         update_single_exits_after_duplication and
470         update_single_exit_for_duplicated_loops.
471         (loop_version): Do not update single_exit information.
472         (fix_loop_structure): Use record_loop_exits instead of
473         mark_single_exit_loops.
474         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
475         the lists of loop exits.
476         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
477         split_edge, merge_blocks): Update the lists of loop exits.
478         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
479         loop_optimizer_init.
480         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
481         of mark_single_exit_loops.
482         (loop_optimizer_finalize): Call release_recorded_exits.
483         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
484         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
485         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
486         update single exit information.
487         * lambda-code.c (perfect_nestify): Ditto.
488         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
489         (mark_single_exit_loops): Removed.
490         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
491         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
492         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
493         functions.
494         (get_loop_exit_edges, single_exit): Use recorded exit lists.
495         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
496         (verify_loop_structure): Verify consistency of the exit lists.
497         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
498         (set_single_exit): Removed.
499         * cfgloop.h (struct loop_exit): New function.
500         (struct loop): single_exit_ field replaced by exits field.
501         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
502         (struct loops): Added exits hash.
503         (mark_single_exit_loops, set_single_exit): Declaration removed.
504         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
505
506 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
507
508         * doc/invoke.texi: Avoid use of @headitem.
509
510 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
511
512         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
513
514 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
515
516         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
517         list of targets.
518
519 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
520             Richard Sandiford  <richard@codesourcery.com>
521
522         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
523         * config/m68k/m68k.opt: Resort options.
524         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
525
526 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
527             Richard Sandiford  <richard@codesourcery.com>
528
529         * doc/invoke.texi: Document the macros that are defined by
530         m68k's -mtune and -mhard-float options.
531         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
532         (m68k_cpp_cpu_family): Likewise.
533         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
534         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
535         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
536         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
537         (m68k_cpp_cpu_family): Likewise.
538
539 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
540
541         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
542         macros besides mc68000 as tuning macros.  Use a switch statement
543         to set them and mcpu32.
544
545 2007-01-12  Julian Brown  <julian@codesourcery.com>
546
547         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
548         (TARGET_68040_ONLY): Rename to...
549         (TARGET_68040): ...this.
550         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
551         * config/m68k/m68k.md: Likewise.
552
553 2007-01-12  Julian Brown  <julian@codesourcery.com>
554             Nathan Sidwell  <nathan@codesourcery.com>
555             Richard Sandiford  <richard@codesourcery.com>
556
557         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
558         the -mcpu= argument associated with the --with-cpu setting.
559         Define M68K_DEFAULT_TUNE to the default -mtune= option,
560         if different from the one implied by the -mcpu setting.
561         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
562         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
563         * doc/invoke.texi: Mention ColdFire in the introduction to the
564         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
565         -mno-div and -mhard-float options.  Make -m68881 a synonym for
566         -mhard-float.  Document the previously-undocumented -m5206e,
567         -m528x, -m5307 and -m5407 options.  Tweak the existing option
568         documentation for consistency.
569         * doc/install.texi: Mention new --with-cpu arguments.
570         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
571         default CPU if neither -mcpu nor -march are specified.
572         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
573         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
574         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
575         using m68k_tune to decide between families that implement the
576         same ISA.  Use m68k_tune to set __mcfv4e__.
577         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
578         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
579         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
580         (FL_ISA_C, FL_ISA_MMU): New macros.
581         (MASK_COLDFIRE): Delete.
582         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
583         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
584         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
585         (TARGET_HARD_FLOAT): Do not define here.
586         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
587         (TUNE_68000): New macro.
588         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
589         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
590         (TUNE_CFV2): Redefine in terms of m68k_tune.
591         (uarch_type, target_device, fpu_type): New enums.
592         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
593         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
594         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
595         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
596         (FL_FOR_isa_c): New macros.
597         (m68k_isa): New enum.
598         (m68k_target_selection): New structure.
599         (all_devices, all_isas, all_microarchs): New tables.
600         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
601         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
602         (MASK_ALL_CPU_BITS): Delete.
603         (m68k_find_selection): New function.
604         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
605         Map the legacy target options to a combination of the new ones.
606         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
607         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
608         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
609         settings.
610         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
611         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
612         properties.
613         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
614         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
615         * config/m68k/m68k-devices.def: New file.
616
617 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
618             Nathan Sidwell  <nathan@codesourcery.com>
619
620         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
621         (SUBTARGET_EXTRA_SPECS): New macros.
622         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
623         use %(asm_cpu_spec) instead.
624         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
625         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
626         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
627         (EXTRA_SPECS): Rename to...
628         (SUBTARGET_EXTRA_SPECS): ...this.
629
630 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
631             Richard Sandiford  <richard@codesourcery.com>
632             Julian Brown  <julian@codesourcery.com>
633
634         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
635         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
636         to the configuration's default CPU.
637         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
638         Remove default masks.
639         (m680[012]0-*-*): Set the default with_cpu to the first part of
640         the target name.
641         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
642         (m68k*-*-linux): Extend the --with-cpu handling to...
643         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
644         and m68010.  Don't set target_cpu_default2.
645         * doc/install.texi: Document --with-cpu for m68k.
646         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
647         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
648         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
649         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
650         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
651         (ASM_SPEC): Remove use of %(asm_cpu_default).
652         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
653         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
654         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
655         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
656         __HAVE_FPU__ if TARGET_HARD_FLOAT.
657         (TARGET_DEFAULT): Delete.
658         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
659         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
660         (CPP_CPU_SPEC): Delete.
661         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
662         the appropriate string.
663         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
664         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
665         (ASM_SPEC): Don't use %(asm_default_spec).
666         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
667         TARGET_DEFAULT and add MASK_68881.
668         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
669
670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
671
672         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
673         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
674         MASK_68010 alongside MASK_68020.
675         * doc/invoke.texi: Document -m68010.
676         * config/m68k/m68k.opt (m68010): New.
677         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
678         if TUNE_68010.
679         (TUNE_68010): New macro.
680         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
681         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
682         (M68K_CPU_m68332): Add MASK_68010.
683         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
684         fallback definition.
685         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
686         defines.
687         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
688         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
689         to all entries that use MASK_68020.
690         (output_move_simode_const, output_move_himode, output_move_qimode)
691         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
692         instead of TARGET_68020 to select clr behavior.  Remove comment
693         about there being no TARGET_68010.
694         * config/m68k/m68k.md: Likewise throughout.
695
696 2007-01-12  Julian Brown  <julian@codesourcery.com>
697
698         * config/m68k/m68k.h (TARGET_ISAB): New macro.
699         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
700         * config/m68k/m68k.md: Likewise.
701
702 2007-01-12  Julian Brown  <julian@codesourcery.com>
703
704         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
705         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
706
707 2007-01-12  Julian Brown  <julian@codesourcery.com>
708
709         * config/m68k/m68k.h (TUNE_68040_60): New macro.
710         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
711         * config/m68k/m68k.md: Likewise.
712
713 2007-01-12  Julian Brown  <julian@codesourcery.com>
714             Richard Sandiford  <richard@codesourcery.com>
715
716         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
717         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
718         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
719         TARGET_CPU32.
720         (TARGET_CPU32): Rename to...
721         (TUNE_CPU32): ...this.
722         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
723         (TUNE_CFV2): New macros.
724         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
725         remove conditions that are implied by TARGET_68020.
726         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
727         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
728         (m68k_output_function_epilogue): Likewise.
729         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
730         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
731         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
732         non-68000 timings.  Refactor multiplication and division costs.
733         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
734         TUNE_CPU32 instead of TARGET_CPU32.
735         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
736         and TUNE_68060 instead of TARGET_68060.
737         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
738         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
739         TARGET_CPU32.
740         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
741         && !TARGET_COLDFIRE" to choose between moveq and clr.
742         Likewise in the unnamed movsf pattern.
743         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
744         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
745         ashiftrt pattern.
746
747 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
748
749         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
750         of tabbing before backslashes.
751
752 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
753
754         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
755         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
756         (ASM_OUTPUT_INTERNAL_LABEL): Define.
757
758 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
759
760         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
761         find_interesting_uses_cond.
762         (find_interesting_uses_cond): Use extract_cond_operands.
763         (rewrite_use_compare): Use extract_cond_operands and
764         force_gimple_operand_bsi.  Do not call update_stmt.
765         (determine_use_iv_cost_condition): Use extract_cond_operands.
766         Return cheaper of using original bound and changing the exit bound.
767
768 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
769
770         PR tree-optimization/29516
771         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
772         most_expensive_mult_to_index, addr_to_parts,
773         create_mem_ref, maybe_fold_tmr): Make the type of
774         fields of TARGET_MEM_REF sizetype.
775         (move_fixed_address_to_symbol, move_pointer_to_base):
776         New functions.
777         * tree.def (TARGET_MEM_REF): Add comment on types of
778         the operands.
779
780 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
781
782         * c-common.c (vector_types_convertible_p): Treat opaque types as
783         always convertible if they have the same size, but not otherwise.
784
785 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
786
787         * ifcvt.c (struct noce_if_info): Add comments to the fields.
788         Remove the b_unconditional field.
789         (noce_try_sign_mask): Do not look at b_unconditional.
790         (noce_process_if_block): Do not use merge_if_blocks.  Update
791         the CFG here.  Do not set b_unconditional.
792         (cond_move_process_if_block): Likewise.
793         (find_cond_trap): Likewise.
794         (check_cond_move_block): Require simple jump insns at the end
795         of the basic block.
796
797 2007-01-11  Jan Hubicka  <jh@suse.cz>
798
799         PR tree-optimization/1046
800         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
801         when alias info is not ready.
802         (pass_tail_recursion): Do not require aliasing.
803         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
804         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
805         * tree-ssa-copy.c (pass_copy_prop): Likewise.
806         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
807         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
808         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
809         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
810         before inlining.
811         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
812         When aliasing is not build, mark statement as volatile.
813
814 2007-01-11  Tom Tromey  <tromey@redhat.com>
815
816         PR preprocessor/15185, PR preprocessor/20989:
817         * doc/cppopts.texi <-MT>: Update description of algorithm for
818         computing default target.
819         <-M, -MD>: Reword "basename" text.
820
821 2007-01-11  Roger Sayle  <roger@eyesopen.com>
822
823         * builtins.c (expand_builtin_pow, expand_builtin_powi,
824         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
825         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
826         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
827         fold_builtin_bswap, real_constp, fold_builtin_pow,
828         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
829         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
830         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
831         * convert.c (convert_to_pointer): Likewise.
832         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
833         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
834         const_binop, fold_convert_const_int_from_int,
835         fold_convert_const_int_from_real,
836         fold_convert_const_real_from_real, sign_bit_p,
837         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
838         fold_sign_changed_comparison, fold_unary, fold_comparison,
839         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
840         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
841         * print-tree.c (print_node_brief, print_node): Likewise.
842         * stor-layout.c (place_field, layout_type): Likewise.
843         * tree-chrec.c (keep_cast): Likewise.
844         * tree.c (build_vector, build_real, build_real_from_int_cst,
845         build_complex): Likewise.
846
847 2007-01-11  Roger Sayle  <roger@eyesopen.com>
848
849         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
850         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
851
852 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
853
854         * configure.ac (strict1_warn): Rename to strict_warn.
855         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
856         cc_set_by_configure, quoted_cc_set_by_configure,
857         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
858         all_boot_languages, all_stagestuff): Remove.
859         (target_list): Remove bootstrap targets.
860         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
861         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
862         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
863         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
864         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
865         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
866         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
867         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
868         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
869         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
870         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
871         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
872         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
873         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
874         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
875         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
876         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
877         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
878         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
879         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
880         (mostlyclean): Adjust.
881         (clean, distclean): Don't mention bootstrap stuff.
882         * configure: Regenerate.
883         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
884         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
885         treelang/config-lang.in (stagestuff): Remove.
886         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
887         stageprofile, stagefeedback, stagestuff): Remove mention.
888
889 2007-01-11  Nick Clifton  <nickc@redhat.com>
890
891         * config/mcore/predicates.md (mcore_general_movesrc_operand):
892         Accept CONSTs.
893         (mcore_general_movdst_operand): Do not accept CONST_INTs.
894         (mcore_arith_K_S_operand): Run the test for the S constraint not
895         the test for the M constraint.
896         (mcore_addsub_operand): Do not accept integer values that are
897         larger than 32 bits.
898         * config/mcore/mcore.md: Remove unused constraints from split.
899         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
900         (addsi3): Likewise.
901         (allocate_stack): Likewise.
902         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
903         operands to 32 bits.
904         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
905         INTVAL.
906         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
907         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
908         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
909         mcore_output_bclri, mcore_output_andn, output_inline_const,
910         mcore_output_move, mcore_output_movedouble): Likewise.
911         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
912         (output_inline_const): Likewise.
913         (output_inline_const): Fix format strings used in sprintf
914         statements.
915         * config/mcore/mcore-protos.h: Update prototypes for changed
916         functions in mcore.c.
917         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
918         HOST_WIDE_INT and not int.
919         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
920         CONST_OK_FOR_N): Likewise.
921         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
922         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
923         an INTVAL.
924
925 2007-01-10  Jan Hubicka  <jh@suse.cz>
926
927         * tree-vrp.c (remove_range_assertions): Release defs.
928         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
929         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
930
931 2007-01-10  Paul Brook  <paul@codesourcery.com>
932
933         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
934         * config/arm/arm.md (mulsi3subsi): New insn.
935
936 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
937
938         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
939         (tree_transform_and_unroll_loop): New.
940         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
941         Declare.
942
943 2007-01-10  Robert Kennedy <jimbob@google.com>
944
945         * fold-const.c (fold_comparison): Fold comparisons like (x *
946         1000 < 0) to (x < 0).
947
948 2007-01-10  Ian Lance Taylor  <iant@google.com>
949
950         * tree-pretty-print.c (dump_generic_node): Print parentheses when
951         operands have the same priority.
952
953 2007-01-10  Tom Tromey  <tromey@redhat.com>
954
955         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
956         (fold_binary): Likewise.
957         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
958         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
959         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
960         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
961         * langhooks.h (struct lang_hooks): Removed field
962         'can_use_bit_fields_p'.
963
964 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
965
966         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
967
968 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
969
970         * function.c (get_last_funcdef_no): New function.
971         * function.h (get_last_funcdef_no): Declare.
972         * tree-inline.c (initialize_cfun): Add initialization.
973         (tree_function_versioning): Cleanup.
974
975 2007-01-10  Jan Hubicka  <jh@suse.cz>
976
977         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
978         PHIs.
979
980 2007-01-10  Sa Liu  <saliu@de.ibm.com>
981             Ben Elliston  <bje@au.ibm.com>
982
983         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
984         for SAVE_NONLOCAL and Pmode for any other save level.
985         * spu-protos.h (spu_restore_stack_block): Declare.
986         * spu.md (save_stack_block): Remove.
987         (restore_stack_block): Call spu_restore_stack_block.
988         * spu.c (spu_restore_stack_block): New function.
989         (spu_expand_epilogue): Remove old comment.
990
991 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
992
993         PR tree-optimization/30322
994         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
995         (cand_value_at): Return the value as aff_tree.
996         (may_eliminate_iv): Convert the bound from aff_tree to tree.
997         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
998         aff_combination_mult): New functions.
999         (aff_combination_add): Use aff_combination_add_cst.
1000         (aff_combination_convert): Allow conversions to a wider type.
1001         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1002         * tree-affine.h (aff_combination_mult): Declare.
1003
1004 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1005
1006         * doc/tm.texi: Update documentation to reflect reality of exec
1007         and start file search behaviours. Update copyright year.
1008         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1009         header file directories.
1010
1011 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1012
1013         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1014         (*cosxf2): Rename to cosxf2_i387.
1015         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1016         using X87MODEF12 mode macro. Rename patterns to
1017         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1018         for SSE math.
1019         (*cosdf2, *cossf2): Ditto.
1020         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1021         to match extended input operands.
1022         (sincos<mode>3): New expander.
1023         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1024         insn patterns and corresponding splitters.
1025
1026 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1027
1028         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1029         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1030
1031 2007-01-09  Nicolas Pitre  <nico@cam.org>
1032
1033         PR target/30173
1034         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1035
1036 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1037
1038         * target.h (struct gcc_target): New field library_rtti_comdat.
1039         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1040         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1041         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1042         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1043
1044 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1045
1046         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1047
1048 2007-01-08  Richard Guenther  <rguenther@suse.de>
1049
1050         * tree.h (force_fit_type_double): Export.
1051         (force_fit_type): Remove.
1052         * fold-const.c (force_fit_type_double): New function.
1053         (force_fit_type): Remove.
1054         (int_const_binop): Use it.
1055         (fold_convert_const_int_from_int): Likewise.
1056         (fold_convert_const_int_from_real): Likewise.
1057         (fold_div_compare): Likewise.
1058         (fold_sign_changed_comparison): Likewise.
1059         (fold_unary): Likewise.
1060         (fold_negate_const): Likewise.
1061         (fold_abs_const): Likewise.
1062         (fold_not_const): Likewise.
1063         * c-common.c (shorten_compare): Use force_fit_type_double.
1064         * convert.c (convert_to_pointer): Likewise.
1065
1066 2007-01-08  Richard Guenther  <rguenther@suse.de>
1067
1068         * tree.h (build_int_cst_wide_type): Export.
1069         * tree.c (build_int_cst_wide_type): New function.
1070         (build_int_cst_wide): Fix comment.
1071         * builtins.c (fold_builtin_object_size): Use build_int_cst
1072         to build -1 or 0 of the correct type.  Use fit_double_type
1073         to check for overflow.
1074         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1075         to build the mask.
1076         (decode_field_reference): Likewise.
1077         (all_ones_mask_p): Likewise.
1078         (native_interpret_int): Use build_int_cst_wide_type.
1079         (fold_binary): Use build_int_cst_type to build an all-ones
1080         value.
1081         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1082
1083 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1084
1085         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1086
1087 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1088
1089         * genautomata.c (STATS_OPTION): New option.
1090         (stats_flag): New flag.
1091         (gen_automata_option): Handle it.
1092         (initiate_automaton_gen): Ditto.
1093         (write_automata): Output statistics only if stats_flag is
1094         set. Likewise, output time statistics only if time_flag is set.
1095         * doc/md.texi (Processor pipeline description): Document new flag.
1096
1097 2007-01-08  Richard Guenther  <rguenther@suse.de>
1098
1099         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1100         * tree.c (build_int_cst_type): Likewise.
1101         (size_in_bytes): Don't call force_fit_type on the result.
1102         (int_fits_type_p): Use fit_double_type.
1103         * fold-const.c (fit_double_type): New function.
1104         (force_fit_type): Use it.
1105         * tree.h (fit_double_type): Export.
1106
1107 2007-01-08  Jan Hubicka  <jh@suse.cz>
1108
1109         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1110         * ipa.c (function_and_variable_visibility): Fix return type.
1111
1112 2007-01-08  Richard Guenther  <rguenther@suse.de>
1113
1114         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1115         of offset to build the index.
1116         * tree-pretty-print.c (dump_generic_node): Don't build negated
1117         const just for printing.
1118         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1119         * builtins.c (fold_builtin_int_roundingfn): Check if result
1120         fits the type by using force_fit_type and comparing the result.
1121         * predict.c (predict_loops): Use compare_tree_int for comparison.
1122         * tree.c (build_int_cst): Fall back to integer_type_node for
1123         NULL_TREE type.
1124         (build_int_cst_wide): Assert type is non-null.
1125
1126 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1127
1128         * tree-vrp.c (extract_range_from_cond_expr): New.
1129         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1130         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1131         as expressions.
1132         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1133         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1134         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1135         used as expressions.
1136         * tree-object-size.c (cond_expr_object_size): New.
1137         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1138
1139 2007-01-08  Jan Hubicka  <jh@suse.cz>
1140
1141         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1142         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1143         statement.
1144
1145 2007-01-08  Richard Guenther  <rguenther@suse.de>
1146
1147         PR tree-optimization/23603
1148         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1149         (extract_range_from_binary): Fall back to truthvalue instead of
1150         varying for TRUTH_*_EXPR.
1151         (extract_range_from_comparison): Fall back to truthvalue instead of
1152         varying.
1153         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1154         if all visited PHI values were constant.
1155
1156 2007-01-08  Jan Hubicka  <jh@suse.cz>
1157
1158         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1159         (cgraph_analyze_function): break out from ...
1160         (cgraph_finalize_compilation_unit): ... here.
1161         (cgraph_expand_function): Remove forgoten commented out line.
1162         (cgraph_optimize): Analyze functions.
1163
1164 2007-01-08  Jan Hubicka  <jh@suse.cz>
1165
1166         * tree-pas.h (TODO_remove_function): New flag.
1167         (TODO_update*): Renumber.
1168         (pass_ipa_increase_alignment,
1169         pass_ipa_function_and_variable_visibility): New passes.
1170         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1171         (cgraph_function_and_variable_visibility): Move to ipa.c
1172         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1173         cgraph_increase_alignment.
1174         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1175         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1176         calling tree-inline.
1177         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1178         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1179         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1180         (gate_increase_alignment): New function.
1181         (pass_ipa_increase_alignment): New pass.
1182         * ipa.c: Inline tree-pass.h and timevar.h
1183         (function_and_variable_visibility): Move here from cgraphunit.c
1184         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1185         * passes.c (init_optimization_passes): Add the two new passes.
1186         (execute_todo): Handle cgraph_remove_functions.
1187
1188 2007-01-08  Nick Clifton  <nickc@redhat.com>
1189
1190         * config/frv/predicates.md (reg_or_0_operand): Accept
1191         CONST_DOUBLEs.
1192
1193 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1194
1195         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1196         * config.gcc: Add bfin*-rtems*.
1197
1198 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1199
1200         * c.opt: Add -flax-vector-conversions.
1201         * c-typeck.c (convert_for_assignment): Pass flag to
1202         vector_types_convertible_p to allow emission of note.
1203         (digest_init): Likewise.
1204         * c-opts.c: Handle -flax-vector-conversions.
1205         * c-common.c (flag_lax_vector_conversions): New.
1206         (vector_types_convertible_p): Unless -flax-vector conversions
1207         has been passed, disallow conversions between vectors with
1208         differing numbers of subparts and/or element types.  If such
1209         a conversion is disallowed, possibly emit a note on the first
1210         occasion only to inform the user of -flax-vector-conversions.
1211         The new last argument specifies this.
1212         * c-common.h (flag_lax_vector_conversions): New.
1213         (vector_types_convertible_p): Add extra argument.
1214         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1215         char_type_node for V*QI type vectors.
1216         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1217         Update to satisfy new typechecking rules.
1218         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1219         C and C++ variants.
1220         * doc/invoke.texi (C Dialect Options): Document
1221         -flax-vector-conversions.
1222
1223 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1224
1225         PR tree-optimization/29877
1226         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1227         a register variable on the RHS to not be replaceable.
1228
1229 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1230         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1231         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1232         const_simm15, const_pow2, const_npow2): Added.
1233         * config/score/misc.md (insv, extv, extzv, movmemsi,
1234         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1235         * config/score/score.c (score_address_cost, score_select_cc_mode):
1236         Added.
1237         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1238         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1239         Update score_print_operand.
1240         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1241         Adjust register allocate order and update some macro define.
1242         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1243         mdx_block_move_straight, mdx_block_move_loop_head,
1244         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1245         mdx_block_move): Added.
1246         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1247         mdp_limm): Updated and fix some bug and typo.
1248         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1249         (movsf, movdf, doloop_end): Added.
1250
1251 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1252
1253         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1254         config/arm/thumb2.md: Fix comment typos.
1255         * doc/extend.texi: Fix a typo.
1256
1257 2007-01-07  Eric Christopher  <echristo@apple.com>
1258
1259         * configure.ac: Check for __stack_chk_fail for darwin.
1260         * configure: Regenerate.
1261
1262 2007-01-07  Richard Guenther  <rguenther@suse.de>
1263
1264         * tree-vrp.c (extract_range_from_assert): CSE calls to
1265         compare_values where possible.
1266         (extract_range_from_unary_expr): Likewise.
1267
1268 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1269
1270         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1271         * config/avr/avr.c (call_insn_operand): Delete function.
1272         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1273         instead of register number. Use predicates.
1274         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1275         call_insn_operand): Add.
1276
1277 2007-01-06  Jan Hubicka  <jh@suse.cz>
1278
1279         * tree-pass.h (pass_build_cgraph_edges): Declare.
1280         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1281         (visited_nodes): Remove.
1282         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1283         build_cgrpah_edges; make visited_nodes local.
1284         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1285         (record_references_in_initializer): Move to cgraphbuild.c
1286         (initialize_inline_failed, rebuild_cgraph_edges,
1287         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1288         (verify_cgraph_node): Make visited_nodes local.
1289         (cgraph_analyze_function): Do not call cgraph_create_edges and
1290         initialize_inline_failed.
1291         (cgraph_expand_function): Do not call cgraph_lower_function;
1292         assert that function is already lowered.
1293         * Makefile.in (cgraphbuild.o): New.
1294         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1295         at the end of lowering passes.
1296
1297 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1298
1299         * ifcvt.c (cond_move_convert_if_block): New function, code
1300         factored out from...
1301         (cond_move_process_if_block): ...here.  Call the new function
1302         on the THEN and ELSE blocks.
1303         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1304         already takes care of this.
1305
1306 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1307
1308         PR c/19978
1309         * tree.h (TREE_OVERFLOW_P): New.
1310         * c-typeck.c (parser_build_unary_op): Warn only if result
1311         overflowed and operands did not.
1312         (parser_build_binary_op): Likewise.
1313         (convert_for_assignment): Remove redundant overflow_warning.
1314         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1315
1316 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1317
1318         * c-typeck.c (store_init_value): Split over two lines to follow
1319         the GNU coding style.
1320
1321 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1322
1323         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1324         __GXX_EXPERIMENTAL_CXX0X__.
1325         * doc/cpp.texi: Same.
1326
1327 2007-01-05  Richard Guenther  <rguenther@suse.de>
1328
1329         PR middle-end/27826
1330         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1331         with mismatched types.  Instead explicitly build a
1332         conversion NOP_EXPR.
1333
1334 2007-01-05  Ian Lance Taylor  <iant@google.com>
1335
1336         * c-common.c (decl_with_nonnull_addr_p): New function.
1337         (c_common_truthvalue_conversion): Call it.
1338         * c-typeck.c (build_binary_op): Likewise.
1339         * c-common.h (decl_with_nonnull_addr_p): Declare.
1340
1341 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1342
1343         PR c/30360
1344         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1345         denom against 0.0.
1346
1347 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1348
1349         * doc/install.texi (Final install): Document the fact that
1350         the GNAT runtime should not be stripped.
1351
1352 2007-01-04  Jan Hubicka  <jh@suse.cz>
1353
1354         * tree-inline.c (fold_marked_statements): Update operand caches
1355         and EH after folding
1356
1357 2007-01-04  Ian Lance Taylor  <iant@google.com>
1358
1359         * c-common.c (check_function_nonnull): Whitespace fix.
1360
1361 2007-01-04  Jan Hubicka  <jh@suse.cz>
1362
1363         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1364         comitted older version of patch.
1365         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1366         function, celanup cfg and collect garbage.
1367
1368 2007-01-04  Mike Stump  <mrs@apple.com>
1369
1370         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1371         (clean): Likewise.
1372
1373 2007-01-04  Eric Christopher  <echristo@apple.com>
1374
1375         * libgcc2.c (__bswapsi2): Use SItype.
1376         (__bswapdi2): Use DItype.
1377         * libgcc2.h: Update for above.
1378
1379 2007-01-04  Paul Brook  <paul@codesourcery.com>
1380
1381         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1382         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1383         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1384         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1385         umulsi3_highpart): Make conditional on !arm_arch6.
1386         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1387         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1388         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1389         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1390         umulsi3_highpart_v6): New insns.
1391
1392 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1393
1394         * fold-const.c (fold_convert): When casting an expression to void,
1395         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1396         have a type.  Instead of attempting to build a NOP_EXPR, return
1397         these "special" trees directly.
1398
1399 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1400
1401         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1402         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1403         rs6000_cost->fp not 0 as adjustment for outer NEG.
1404
1405 2007-01-04  Jan Hubicka  <jh@suse.cz>
1406
1407         * cgraph.c (cgraph_release_function_body): New function.
1408         (cgraph_remove_node): Use it.
1409         * cgraph.h (cgraph_release_function_body): Declare.
1410         * cgraphunit.c (cgraph_expand_function): Use it.
1411         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1412         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1413         is initialized and while compilation of other function is running.
1414         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1415         statement CFG annotations from here to ...
1416         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1417
1418 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1419
1420         * cfgloop.h (enum li_flags): Make the constants powers of two.
1421
1422 2007-01-04  Jan Hubicka  <jh@suse.cz>
1423
1424         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1425         set.
1426         (fold_marked_statements): New function.
1427         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1428         * tree-inline.h (copy_body_data): Add statements_to_fold.
1429
1430 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1431
1432         * config.gcc: Mention libgcc/config.host.
1433         * Makefile.in: Update comments mentioning libgcc.
1434         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1435         (all.cross, start.encap, rest.encap, rest.cross): Update
1436         dependencies for libgcc move.
1437         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1438         (clean-target, clean-target-libgcc): Delete.
1439         (srcdirify, GCC_EXTRA_PARTS): New macros.
1440         (libgcc-support, libgcc.mvars): New rules.
1441         (distclean): Remove mention of mklibgcc.
1442         (install): Don't reference INSTALL_LIBGCC.
1443         (install-common): Don't reference EXTRA_PARTS.
1444         (install-libgcc, install-multilib): Delete rules.
1445         * mklibgcc.in: Delete file.
1446         * doc/configfiles.texi: Don't mention mklibgcc.
1447
1448         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1449         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1450         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1451         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1452         (mklibgcc, ldblspecs): Likewise.
1453
1454         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1455         (posixpre.def): Use $(T).
1456         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1457         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1458         (SHLIB_LINK): Make dummy.
1459         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1460
1461         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1462
1463         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1464         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1465         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1466         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1467
1468         * configure.ac (all_outputs): Remove mklibgcc.
1469         * configure: Regenerated.
1470
1471 2007-01-03  Josh Conner  <jconner@apple.com>
1472
1473         PR middle-end/29683
1474         * calls.c (compute_argument_addresses): Set stack and stack_slot
1475         for partial args, too.
1476         (store_one_arg): Use locate.size.constant for the size when
1477         generating a save_area.
1478
1479 2007-01-03  Robert Kennedy <jimbob@google.com>
1480
1481         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1482         whose definitions are deleted due to basic block merging.
1483
1484 2007-01-03  Paul Brook  <paul@codesourcery.com>
1485
1486         PR target/16634
1487         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1488         functions.
1489         (use_return_insn): Return 0 for Thumb interrupt functions.
1490         (print_multi_reg): Add rfe argument for IRQ returns.
1491         (arm_output_epilogue): Pop interrupt return address directly into PC.
1492         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1493
1494 2007-01-03  Paul Brook  <paul@codesourcery.com>
1495
1496         Merge from sourcerygxx-4_1.
1497         * config/arm/thumb2.md: New file.
1498         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1499         Thumb-2.
1500         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1501         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1502         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1503         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1504         tables.
1505         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1506         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1507         comptibility.
1508         * config/arm/ieee754-sf.S: Ditto.
1509         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1510         (thumb1_base_register_rtx_p): ... to this.
1511         (thumb_index_register_rtx_p): Rename...
1512         (thumb1_index_register_rtx_p): ... to this.
1513         (thumb_output_function_prologue): Rename...
1514         (thumb1_output_function_prologue): ... to this.
1515         (thumb_legitimate_address_p): Rename...
1516         (thumb1_legitimate_address_p): ... to this.
1517         (thumb_rtx_costs): Rename...
1518         (thumb1_rtx_costs): ... to this.
1519         (thumb_compute_save_reg_mask): Rename...
1520         (thumb1_compute_save_reg_mask): ... to this.
1521         (thumb_final_prescan_insn): Rename...
1522         (thumb1_final_prescan_insn): ... to this.
1523         (thumb_expand_epilogue): Rename...
1524         (thumb1_expand_epilogue): ... to this.
1525         (arm_unwind_emit_stm): Rename...
1526         (arm_unwind_emit_sequence): ... to this.
1527         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1528         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1529         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1530         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1531         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1532         thumb2_output_casesi): New functions.
1533         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1534         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1535         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1536         THUMB2_WORK_REGS): Define.
1537         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1538         arm_condexec_mask, arm_condexec_masklen)): New variables.
1539         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1540         (arm_override_options): Check new CPU capabilities.
1541         Set new architecture flag variables.
1542         (arm_isr_value): Handle v7m interrupt functions.
1543         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1544         Thumb-2.
1545         (const_ok_for_arm): Handle Thumb-2 constants.
1546         (arm_gen_constant): Ditto.  Use movw when available.
1547         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1548         functions.
1549         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1550         (thumb_find_work_register, arm_load_pic_register,
1551         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1552         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1553         print_multi_reg, output_mov_long_double_fpa_from_arm,
1554         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1555         output_mov_double_fpa_from_arm, output_move_double,
1556         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1557         output_return_instruction, arm_output_function_prologue,
1558         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1559         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1560         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1561         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1562         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1563         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1564         '!' and 'L'.
1565         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1566         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1567         (arm_file_start): Output directive for unified syntax.
1568         (arm_unwind_emit_set): Handle stack alignment instruction.
1569         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1570         Add v6t2, v7, v7a, v7r and v7m.
1571         (RETLDM): Add Thumb-2 code.
1572         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1573         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1574         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1575         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1576         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1577         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1578         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1579         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1580         ADJUST_INSN_LENGTH): Define.
1581         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1582         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1583         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1584         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1585         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1586         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1587         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1588         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1589         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1590         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1591         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1592         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1593         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1594         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1595         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1596         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1597         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1598         cortex-m3.
1599         * config/arm/arm-tune.md: Regenerate.
1600         * config/arm/arm-protos.h: Update prototypes.
1601         * config/arm/vfp.md: Enable patterns for Thumb-2.
1602         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1603         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1604         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1605         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1606         * config/arm/libunwind.S: Add Thumb-2 code.
1607         * config/arm/constraints.md: Update include Thumb-2.
1608         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1609         * config/arm/ieee754-df.S: Ditto.
1610         * config/arm/bpabi.S: Ditto.
1611         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1612         * config/arm/predicates.md (low_register_operand,
1613         low_reg_or_int_operand, thumb_16bit_operator): New.
1614         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1615         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1616         * config/arm/t-arm-elf: Add armv7 multilib.
1617         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1618         Include thumb2.md.
1619         (UNSPEC_STACK_ALIGN, ce_count): New.
1620         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1621         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1622         insns/expanders.
1623         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1624         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1625         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1626         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1627         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1628         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1629         insns.
1630         * doc/extend.texi: Document ARMv7-M interrupt functions.
1631         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1632
1633 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1634
1635         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1636         (struct _Unwind_Context): Rename args_size to flags, remove
1637         signal_frame field, add a new args_size field and version field.
1638         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1639         _Unwind_IsExtendedContext): New inline functions.
1640         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1641         Assume by_value array is only present if _Unwind_IsExtendedContext.
1642         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1643         _Unwind_IsSignalFrame.
1644         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1645         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1646         (uw_init_context_1): Initialize context->flags to
1647         EXTENDED_CONTEXT_BIT.
1648         * config/rs6000/linux-unwind.h (frob_update_context): Use
1649         _Unwind_SetSignalFrame.
1650
1651 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1652
1653         PR middle-end/30353
1654         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1655         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1656         the value.
1657
1658 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1659
1660         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1661         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1662         RET, AT_SP): Remove.
1663         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1664         instead of RET.
1665
1666         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1667         * cfgbuild.c (find_basic_blocks): Likewise.
1668         * cfgrtl.c (rtl_create_basic_block): Likewise.
1669         * function.c (temp_slots_at_level): Likewise.
1670         * reg-stack.c (stack_regs_mentioned): Likewise.
1671         * regclass.c (allocate_reg_info): Likewise.
1672         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1673         set_bb_for_stmt, move_block_to_fn): Likewise.
1674         * tree-complex.c (tree_lower_complex): Likewise.
1675         * vec.h (VEC_safe_grow_cleared): New.
1676
1677         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1678
1679 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1680
1681         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1682         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1683         to loop_version.
1684         * cfgloopmanip.c (scale_loop_frequencies): Export.
1685         (loopify): Scale the frequencies by prescribed coefficients.
1686         (set_zero_probability): New function.
1687         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1688         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1689         and frequencies according to arguments.
1690         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1691         correctly.
1692         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1693         * modulo-sched.c (sms_schedule): Set probabilities for entering
1694         versioned loop correctly.
1695         * tree-vect-transform.c (vect_transform_loop): Ditto.
1696         * cfgloop.h (loopify, loop_version): Declaration changed.
1697         (scale_loop_frequencies): Declared.
1698
1699 2007-01-02  Jan Hubicka  <jh@suse.cz>
1700
1701         * cgraph.c: Include tree-flow.h
1702         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1703         early_local_passes.
1704         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1705         * tree-pass.h (pass_all_early_optimizations): Declare.
1706         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1707         early_local_passes.
1708         (cgraph_analyze_function): Do early_local_passes.
1709         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1710         Do not add referenced vars.
1711         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1712         SSA form.
1713         (gate_all_early_local_passes): New gate.
1714         (pass_early_local_passes): Use new gate.
1715         (execute_early_local_optimizations): New functions.
1716         (gate_all_early_optimizations): New gate.
1717         (pass_all_early_optimizations): New pass.
1718         (execute_free_datastructures): Free SSA only when initialized.
1719         (gate_init_datastructures): Init only when optimizing.
1720         (tree_lowering_passes): Do early local passes when called late.
1721         * tree-profile.c (do_tree_profiling): Don't profile functions added
1722         late.
1723         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1724         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1725         not active.
1726         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1727         during early_local_passes.
1728         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1729
1730
1731 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1732
1733         * Makefile.in: Update copyright year.
1734
1735 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1736
1737         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1738         in $(lang_checks) and check-consistency targets.
1739
1740 2007-01-02  Jan Hubicka  <jh@suse.cz>
1741
1742         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1743         Do not add referenced vars.
1744         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1745         are not active.
1746         * passes.c (init_optimization_passes): Put mudflap_2 after
1747         free_datastructures.
1748
1749 2007-01-02  Jan Hubicka  <jh@suse.cz>
1750
1751         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1752         Set NOTHROW flag on call statements proved to be nothrow.
1753         Update statement of local calls so new pure/const functions are
1754         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1755         goto receivers.
1756         (tree_rest_of_compilation): Register hooks and initialize bitmap
1757         early. Do not set after_inlining flag.
1758
1759 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1760
1761         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1762         HOST_BITS_PER_LONGLONG
1763
1764 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1765
1766         PR c/19977
1767         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1768         warning for non-static initializers.
1769
1770 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1771
1772         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1773         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1774         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1775         Always use set_unique_reg_note to add REG_EQUAL notes.
1776
1777 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1778
1779         Revert:
1780         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1781
1782         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1783         * cfgbuild.c (find_basic_blocks): Likewise.
1784         * cfgrtl.c (rtl_create_basic_block): Likewise.
1785         * function.c (temp_slots_at_level): Likewise.
1786         * reg-stack.c (stack_regs_mentioned): Likewise.
1787         * regclass.c (allocate_reg_info): Likewise.
1788         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1789         set_bb_for_stmt, move_block_to_fn): Likewise.
1790         * tree-complex.c (tree_lower_complex): Likewise.
1791         * vec.h (VEC_safe_grow_cleared): New.
1792
1793 2007-01-02  Ian Lance Taylor  <iant@google.com>
1794
1795         * c-common.c (c_common_truthvalue_conversion): When warning about
1796         using an assignment as a truth value, set TREE_NO_WARNING.
1797
1798 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1799
1800         PR middle-end/7651
1801         * c.opt (Wold-style-declaration): New.
1802         * doc/invoke.texi (C-only Warning Options): New.
1803         (Wold-style-declaration): Document it.
1804         (Wextra): Enabled by -Wextra.
1805         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1806         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1807         -Wold-style-declaration.
1808
1809 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1810
1811         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1812         * cfgbuild.c (find_basic_blocks): Likewise.
1813         * cfgrtl.c (rtl_create_basic_block): Likewise.
1814         * function.c (temp_slots_at_level): Likewise.
1815         * reg-stack.c (stack_regs_mentioned): Likewise.
1816         * regclass.c (allocate_reg_info): Likewise.
1817         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1818         set_bb_for_stmt, move_block_to_fn): Likewise.
1819         * tree-complex.c (tree_lower_complex): Likewise.
1820         * vec.h (VEC_safe_grow_cleared): New.
1821
1822 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1823
1824         * c-common.c(c_common_nodes_and_builtins): Since variants of
1825         void_type_node get built before it is given a name, we need to
1826         give those variants the name, too.
1827         (complete_array_type): We need to work with the canonical main
1828         type of the array, from which we will build the qualified version.
1829         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1830         * print-tree.c (print_node): Display canonical type information
1831         for each type.
1832         * stor-layout.c (layout_type): When we don't know the
1833         alignment of a type for which we're building an array, we end up
1834         guessing wrong, so make the type require structural equality.
1835         * tree.c (make_node_stat): When we build a new type, it is its
1836         own canonical type.
1837         (build_type_attribute_qual_variant): When building an attribute
1838         variant, its canonical type is the non-attribute variant. However,
1839         if the attributes are target-dependent and they differ, we need to
1840         use structural equality checks for this type.
1841         (build_qualified_type): A qualified type is not equivalent to its
1842         unqualified variant; set the canonical type appropriately.
1843         (build_distinct_type_copy): When building a distinct type from
1844         another type, the new type is its own canonical type.
1845         (build_variant_type_copy): When building a new type variant, we
1846         assume that it is equivalent to the original type.
1847         (build_pointer_type_for_mode): When building a pointer type, also
1848         build a canonical type pointer.
1849         (build_reference_type_for_mode): When building a reference type,
1850         also build a canonical type reference.
1851         (build_index_type): When we can't hash an index type (e.g.,
1852         because its maximum value is negative), the index type requires
1853         structural equality tests.
1854         (build_array_type): Build the canonical form of an array type.
1855         (build_function_type): Function types require structural equality,
1856         because they contain default arguments, attributes, etc.
1857         (build_method_type_directly): Ditto for method types.
1858         (build_offset_type): Build the canonical offset type.
1859         (build_complex_type): Build the canonical vector type.
1860         (make_vector_type): Build the canonical vector type.
1861         * tree.h (TYPE_CANONICAL): New.
1862         (TYPE_STRUCTURAL_EQUALITY_P): New.
1863         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1864         (struct tree_type): Added "canonical" field.
1865         * params.h (VERIFY_CANONICAL_TYPES): New.
1866         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1867         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1868         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1869         * doc/invoke.texi (verify-canonical-types): Document --param
1870         parameter for verifying canonical types.
1871
1872 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1873
1874         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1875         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1876         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1877         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1878         tm_file.
1879         * config/rs6000/e500.h: New.
1880         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1881         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1882         Remove.
1883         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1884         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1885         TARGET_E500_DOUBLE): Remove.
1886         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1887         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1888         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1889         * config/rs6000/rs6000.c (rs6000_override_options): Use
1890         CHECK_E500_OPTIONS.
1891
1892 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1893
1894         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1895         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1896         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1897         rs6000_emit_cmove): Don't check TARGET_E500.
1898         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1899         sordered): Don't check TARGET_E500.
1900
1901 2007-01-01  Eric Christopher  <echristo@apple.com>
1902
1903         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1904         HARD_REGISTER_NUM_P.
1905
1906 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1907
1908         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1909         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1910         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1911         eq/ne Y".
1912
1913 2007-01-01  Mike Stump  <mrs@apple.com>
1914
1915         * configure.ac: Remove support for building with Apple's gcc-3.1.
1916
1917 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1918
1919         PR middle-end/30311
1920         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1921         REG is a hard register.  Do not modify REG before calling
1922         subreg_nregs.
1923         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1924         multiple of the size of YMODE for certain lowpart cases.
1925
1926 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1927
1928         PR middle-end/30253
1929         * gimplify (voidify_wrapper_expr): Update for
1930         GIMPLE_MODIFY_STMT.
1931
1932 2007-01-01  Andreas Schwab  <schwab@suse.de>
1933
1934         PR target/29166
1935         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1936         save of BR0 in extra_spill_size instead of spill_size.
1937         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1938         area.
1939         (ia64_expand_epilogue): Restore BR0 from its new location.
1940
1941 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1942
1943         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1944         Use a temporary variable if the left hand side is not a gimple
1945         register.
1946
1947 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1948
1949         * gimplify.c (gimplify_return_expr): Make the temporary variable
1950         for the return expression, a gimple register variable.
1951
1952 2007-01-01  Jan Hubicka  <jh@suse.cz>
1953
1954         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1955         INSN_LIST.
1956
1957 2007-01-01  Mike Stump  <mrs@apple.com>
1958
1959         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1960         .literal16.
1961         * config/darwin.c (machopic_select_rtx_section): Use
1962         HAVE_GAS_LITERAL16.
1963         (darwin_mergeable_constant_section): Likewise.
1964         * configure: Regenerate.
1965         * config.in: Regenerate.
1966
1967 2007-01-01  Jan Hubicka  <jh@suse.cz>
1968             Andrew Pinski  <pinskia@gmail.com>
1969
1970         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1971         before starting IPA passes.