OSDN Git Service

6a528142aefc626ed6c8ec0bac22504b224b66be
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-01-10  Ian Lance Taylor  <iant@google.com>
2
3         * tree-pretty-print.c (dump_generic_node): Print parentheses when
4         operands have the same priority.
5
6 2007-01-10  Tom Tromey  <tromey@redhat.com>
7
8         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9         (fold_binary): Likewise.
10         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
13         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
14         * langhooks.h (struct lang_hooks): Removed field
15         'can_use_bit_fields_p'.
16
17 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
18
19         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
20
21 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
22         
23         * function.c (get_last_funcdef_no): New function.
24         * function.h (get_last_funcdef_no): Declare. 
25         * tree-inline.c (initialize_cfun): Add initialization.
26         (tree_function_versioning): Cleanup.
27         
28 2007-01-10  Jan Hubicka  <jh@suse.cz>
29
30         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
31         PHIs.
32
33 2007-01-10  Sa Liu  <saliu@de.ibm.com>
34             Ben Elliston  <bje@au.ibm.com>
35
36         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
37         for SAVE_NONLOCAL and Pmode for any other save level.
38         * spu-protos.h (spu_restore_stack_block): Declare.
39         * spu.md (save_stack_block): Remove.
40         (restore_stack_block): Call spu_restore_stack_block.
41         * spu.c (spu_restore_stack_block): New function.
42         (spu_expand_epilogue): Remove old comment.
43
44 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
45
46         PR tree-optimization/30322
47         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
48         (cand_value_at): Return the value as aff_tree.
49         (may_eliminate_iv): Convert the bound from aff_tree to tree.
50         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
51         aff_combination_mult): New functions.
52         (aff_combination_add): Use aff_combination_add_cst.
53         (aff_combination_convert): Allow conversions to a wider type.
54         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
55         * tree-affine.h (aff_combination_mult): Declare.
56
57 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
58
59         * doc/tm.texi: Update documentation to reflect reality of exec
60         and start file search behaviours. Update copyright year.
61         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
62         header file directories.
63
64 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
65
66         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
67         (*cosxf2): Rename to cosxf2_i387.
68
69         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
70         using X87MODEF12 mode macro. Rename patterns to
71         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
72         for SSE math.
73         (*cosdf2, *cossf2): Ditto.
74         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
75         to match extended input operands.
76
77         (sincos<mode>3): New expander.
78
79         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
80         insn patterns and corresponding splitters.
81
82 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
83
84         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
85         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
86
87 2007-01-09  Nicolas Pitre  <nico@cam.org>
88
89         PR target/30173
90         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
91
92 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
93
94         * target.h (struct gcc_target): New field library_rtti_comdat.
95         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
96         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
97         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
98         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
99
100 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
101
102         * doc/invoke.texi (Optimize Options): Correct description of -O0.
103
104 2007-01-08  Richard Guenther  <rguenther@suse.de>
105
106         * tree.h (force_fit_type_double): Export.
107         (force_fit_type): Remove.
108         * fold-const.c (force_fit_type_double): New function.
109         (force_fit_type): Remove.
110         (int_const_binop): Use it.
111         (fold_convert_const_int_from_int): Likewise.
112         (fold_convert_const_int_from_real): Likewise.
113         (fold_div_compare): Likewise.
114         (fold_sign_changed_comparison): Likewise.
115         (fold_unary): Likewise.
116         (fold_negate_const): Likewise.
117         (fold_abs_const): Likewise. 
118         (fold_not_const): Likewise.
119         * c-common.c (shorten_compare): Use force_fit_type_double.
120         * convert.c (convert_to_pointer): Likewise.
121
122 2007-01-08  Richard Guenther  <rguenther@suse.de>
123
124         * tree.h (build_int_cst_wide_type): Export.
125         * tree.c (build_int_cst_wide_type): New function.
126         (build_int_cst_wide): Fix comment.
127         * builtins.c (fold_builtin_object_size): Use build_int_cst
128         to build -1 or 0 of the correct type.  Use fit_double_type
129         to check for overflow.
130         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
131         to build the mask.
132         (decode_field_reference): Likewise.
133         (all_ones_mask_p): Likewise.
134         (native_interpret_int): Use build_int_cst_wide_type.
135         (fold_binary): Use build_int_cst_type to build an all-ones
136         value.
137         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
138
139 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
140
141         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
142
143 2007-01-09  Ben Elliston  <bje@au.ibm.com>
144
145         * genautomata.c (STATS_OPTION): New option.
146         (stats_flag): New flag.
147         (gen_automata_option): Handle it.
148         (initiate_automaton_gen): Ditto.
149         (write_automata): Output statistics only if stats_flag is
150         set. Likewise, output time statistics only if time_flag is set.
151         * doc/md.texi (Processor pipeline description): Document new flag.
152
153 2007-01-08  Richard Guenther  <rguenther@suse.de>
154
155         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
156         * tree.c (build_int_cst_type): Likewise.
157         (size_in_bytes): Don't call force_fit_type on the result.
158         (int_fits_type_p): Use fit_double_type.
159         * fold-const.c (fit_double_type): New function.
160         (force_fit_type): Use it.
161         * tree.h (fit_double_type): Export.
162
163 2007-01-08  Jan Hubicka  <jh@suse.cz>
164
165         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
166         * ipa.c (function_and_variable_visibility): Fix return type.
167
168 2007-01-08  Richard Guenther  <rguenther@suse.de>
169
170         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
171         of offset to build the index.
172         * tree-pretty-print.c (dump_generic_node): Don't build negated
173         const just for printing.
174         * c-pretty-print.c (pp_c_integer_constant): Likewise.
175         * builtins.c (fold_builtin_int_roundingfn): Check if result
176         fits the type by using force_fit_type and comparing the result.
177         * predict.c (predict_loops): Use compare_tree_int for comparison.
178         * tree.c (build_int_cst): Fall back to integer_type_node for
179         NULL_TREE type.
180         (build_int_cst_wide): Assert type is non-null.
181
182 2007-01-08  Roberto Costa  <roberto.costa@st.com>
183
184         * tree-vrp.c (extract_range_from_cond_expr): New.
185         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
186         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
187         as expressions.
188         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
189         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
190         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
191         used as expressions.
192         * tree-object-size.c (cond_expr_object_size): New.
193         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
194
195 2007-01-08  Jan Hubicka  <jh@suse.cz>
196
197         * tree-ssa-forwprop.c (forward_propagate_into_cond,
198         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
199         statement.
200
201 2007-01-08  Richard Guenther  <rguenther@suse.de>
202
203         PR tree-optimization/23603
204         * tree-vrp.c (set_value_range_to_truthvalue): New function.
205         (extract_range_from_binary): Fall back to truthvalue instead of
206         varying for TRUTH_*_EXPR.
207         (extract_range_from_comparison): Fall back to truthvalue instead of
208         varying.
209         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
210         if all visited PHI values were constant.
211
212 2007-01-08  Jan Hubicka  <jh@suse.cz>
213
214         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
215         (cgraph_analyze_function): break out from ...
216         (cgraph_finalize_compilation_unit): ... here.
217         (cgraph_expand_function): Remove forgoten commented out line.
218         (cgraph_optimize): Analyze functions.
219
220 2007-01-08  Jan Hubicka  <jh@suse.cz>
221
222         * tree-pas.h (TODO_remove_function): New flag.
223         (TODO_update*): Renumber.
224         (pass_ipa_increase_alignment,
225         pass_ipa_function_and_variable_visibility): New passes.
226         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
227         (cgraph_function_and_variable_visibility): Move to ipa.c
228         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
229         cgraph_increase_alignment.
230         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
231         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
232         calling tree-inline.
233         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
234         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
235         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
236         (gate_increase_alignment): New function.
237         (pass_ipa_increase_alignment): New pass.
238         * ipa.c: Inline tree-pass.h and timevar.h
239         (function_and_variable_visibility): Move here from cgraphunit.c
240         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
241         * passes.c (init_optimization_passes): Add the two new passes.
242         (execute_todo): Handle cgraph_remove_functions.
243
244 2007-01-08  Nick Clifton  <nickc@redhat.com>
245
246         * config/frv/predicates.md (reg_or_0_operand): Accept
247         CONST_DOUBLEs.
248
249 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
250
251         * config/bfin/rtems.h, config/bfin/t-rtems: New.
252         * config.gcc: Add bfin*-rtems*.
253
254 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
255
256         * c.opt: Add -flax-vector-conversions.
257         * c-typeck.c (convert_for_assignment): Pass flag to
258         vector_types_convertible_p to allow emission of note.
259         (digest_init): Likewise.
260         * c-opts.c: Handle -flax-vector-conversions.
261         * c-common.c (flag_lax_vector_conversions): New.
262         (vector_types_convertible_p): Unless -flax-vector conversions
263         has been passed, disallow conversions between vectors with
264         differing numbers of subparts and/or element types.  If such
265         a conversion is disallowed, possibly emit a note on the first
266         occasion only to inform the user of -flax-vector-conversions.
267         The new last argument specifies this.
268         * c-common.h (flag_lax_vector_conversions): New.
269         (vector_types_convertible_p): Add extra argument.
270         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
271         char_type_node for V*QI type vectors.
272         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
273         Update to satisfy new typechecking rules.
274         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
275         C and C++ variants.
276         * doc/invoke.texi (C Dialect Options): Document
277         -flax-vector-conversions.
278
279 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
280
281         PR tree-optimization/29877
282         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
283         a register variable on the RHS to not be replaceable.
284
285 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
286         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
287         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
288         const_simm15, const_pow2, const_npow2): Added.
289         * config/score/misc.md (insv, extv, extzv, movmemsi, 
290         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
291         * config/score/score.c (score_address_cost, score_select_cc_mode): 
292         Added.
293         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
294         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
295         Update score_print_operand.
296         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
297         Adjust register allocate order and update some macro define.
298         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
299         mdx_block_move_straight, mdx_block_move_loop_head,
300         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
301         mdx_block_move): Added.
302         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
303         mdp_limm): Updated and fix some bug and typo.
304         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
305         (movsf, movdf, doloop_end): Added.
306
307 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
308
309         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
310         config/arm/thumb2.md: Fix comment typos.
311         * doc/extend.texi: Fix a typo.
312
313 2007-01-07  Eric Christopher  <echristo@apple.com>
314
315         * configure.ac: Check for __stack_chk_fail for darwin.
316         * configure: Regenerate.
317
318 2007-01-07  Richard Guenther  <rguenther@suse.de>
319
320         * tree-vrp.c (extract_range_from_assert): CSE calls to
321         compare_values where possible.
322         (extract_range_from_unary_expr): Likewise.
323
324 2007-01-07  Anatoly Sokolov <aesok@post.ru>
325
326         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
327         * config/avr/avr.c (call_insn_operand): Delete function.
328         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
329         instead of register number. Use predicates.
330         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
331         call_insn_operand): Add.
332
333 2007-01-06  Jan Hubicka  <jh@suse.cz>
334
335         * tree-pass.h (pass_build_cgraph_edges): Declare.
336         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
337         (visited_nodes): Remove.
338         (cgraph_create_edges): Move to cgraphbuild.c; rename to
339         build_cgrpah_edges; make visited_nodes local.
340         (cgraph_process_new_functions): DO not call initialize_inline_failed.
341         (record_references_in_initializer): Move to cgraphbuild.c
342         (initialize_inline_failed, rebuild_cgraph_edges,
343         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
344         (verify_cgraph_node): Make visited_nodes local.
345         (cgraph_analyze_function): Do not call cgraph_create_edges and
346         initialize_inline_failed.
347         (cgraph_expand_function): Do not call cgraph_lower_function;
348         assert that function is already lowered.
349         * Makefile.in (cgraphbuild.o): New.
350         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
351         at the end of lowering passes.
352
353 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
354
355         * ifcvt.c (cond_move_convert_if_block): New function, code
356         factored out from...
357         (cond_move_process_if_block): ...here.  Call the new function
358         on the THEN and ELSE blocks.
359         (merge_if_block): Do not copy global_live_at_end, merge_blocks
360         already takes care of this.
361
362 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
363
364         PR c/19978
365         * tree.h (TREE_OVERFLOW_P): New.
366         * c-typeck.c (parser_build_unary_op): Warn only if result
367         overflowed and operands did not.
368         (parser_build_binary_op): Likewise.
369         (convert_for_assignment): Remove redundant overflow_warning.
370         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
371
372 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
373
374         * c-typeck.c (store_init_value): Split over two lines to follow
375         the GNU coding style.
376
377 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
378
379         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
380         __GXX_EXPERIMENTAL_CXX0X__.
381         * doc/cpp.texi: Same.
382
383 2007-01-05  Richard Guenther  <rguenther@suse.de>
384
385         PR middle-end/27826
386         * tree.c (get_narrower): Do not construct COMPONENT_REFs
387         with mismatched types.  Instead explicitly build a
388         conversion NOP_EXPR.
389
390 2007-01-05  Ian Lance Taylor  <iant@google.com>
391
392         * c-common.c (decl_with_nonnull_addr_p): New function.
393         (c_common_truthvalue_conversion): Call it.
394         * c-typeck.c (build_binary_op): Likewise.
395         * c-common.h (decl_with_nonnull_addr_p): Declare.
396
397 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
398
399         PR c/30360
400         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
401         denom against 0.0.
402
403 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
404
405         * doc/install.texi (Final install): Document the fact that
406         the GNAT runtime should not be stripped.
407
408 2007-01-04  Jan Hubicka  <jh@suse.cz>
409
410         * tree-inline.c (fold_marked_statements): Update operand caches
411         and EH after folding
412
413 2007-01-04  Ian Lance Taylor  <iant@google.com>
414
415         * c-common.c (check_function_nonnull): Whitespace fix.
416
417 2007-01-04  Jan Hubicka  <jh@suse.cz>
418
419         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
420         comitted older version of patch.
421         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
422         function, celanup cfg and collect garbage.
423
424 2007-01-04  Mike Stump  <mrs@apple.com>
425
426         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
427         (clean): Likewise.
428
429 2007-01-04  Eric Christopher  <echristo@apple.com>
430
431         * libgcc2.c (__bswapsi2): Use SItype.
432         (__bswapdi2): Use DItype.
433         * libgcc2.h: Update for above.
434
435 2007-01-04  Paul Brook  <paul@codesourcery.com>
436
437         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
438         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
439         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
440         umulsidi3, umulsidi3adddi, smulsi3_highpart,
441         umulsi3_highpart): Make conditional on !arm_arch6.
442         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
443         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
444         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
445         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
446         umulsi3_highpart_v6): New insns.
447
448 2007-01-04  Roger Sayle  <roger@eyesopen.com>
449
450         * fold-const.c (fold_convert): When casting an expression to void,
451         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
452         have a type.  Instead of attempting to build a NOP_EXPR, return
453         these "special" trees directly.
454
455 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
456
457         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
458         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
459         rs6000_cost->fp not 0 as adjustment for outer NEG.
460
461 2007-01-04  Jan Hubicka  <jh@suse.cz>
462
463         * cgraph.c (cgraph_release_function_body): New function.
464         (cgraph_remove_node): Use it.
465         * cgraph.h (cgraph_release_function_body): Declare.
466         * cgraphunit.c (cgraph_expand_function): Use it.
467         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
468         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
469         is initialized and while compilation of other function is running.
470         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
471         statement CFG annotations from here to ...
472         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
473
474 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
475
476         * cfgloop.h (enum li_flags): Make the constants powers of two.
477
478 2007-01-04  Jan Hubicka  <jh@suse.cz>
479
480         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
481         set.
482         (fold_marked_statements): New function.
483         (optimize_inline_calls, tree_function_versioning): Fold new statements.
484         * tree-inline.h (copy_body_data): Add statements_to_fold.
485
486 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
487
488         * config.gcc: Mention libgcc/config.host.
489         * Makefile.in: Update comments mentioning libgcc.
490         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
491         (all.cross, start.encap, rest.encap, rest.cross): Update
492         dependencies for libgcc move.
493         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
494         (clean-target, clean-target-libgcc): Delete.
495         (srcdirify, GCC_EXTRA_PARTS): New macros.
496         (libgcc-support, libgcc.mvars): New rules.
497         (distclean): Remove mention of mklibgcc.
498         (install): Don't reference INSTALL_LIBGCC.
499         (install-common): Don't reference EXTRA_PARTS.
500         (install-libgcc, install-multilib): Delete rules.
501         * mklibgcc.in: Delete file.
502         * doc/configfiles.texi: Don't mention mklibgcc.
503
504         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
505         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
506         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
507         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
508         (mklibgcc, ldblspecs): Likewise.
509
510         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
511         (posixpre.def): Use $(T).
512         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
513         (SHLIB_SRC, SHLIB_INSTALL): Delete.
514         (SHLIB_LINK): Make dummy.
515         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
516
517         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
518
519         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
520         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
521         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
522         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
523
524         * configure.ac (all_outputs): Remove mklibgcc.
525         * configure: Regenerated.
526
527 2007-01-03  Josh Conner  <jconner@apple.com>
528
529         PR middle-end/29683
530         * calls.c (compute_argument_addresses): Set stack and stack_slot
531         for partial args, too.
532         (store_one_arg): Use locate.size.constant for the size when
533         generating a save_area.
534
535 2007-01-03  Robert Kennedy <jimbob@google.com>
536
537         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
538         whose definitions are deleted due to basic block merging.
539
540 2007-01-03  Paul Brook  <paul@codesourcery.com>
541
542         PR target/16634
543         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
544         functions.
545         (use_return_insn): Return 0 for Thumb interrupt functions.
546         (print_multi_reg): Add rfe argument for IRQ returns.
547         (arm_output_epilogue): Pop interrupt return address directly into PC.
548         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
549
550 2007-01-03  Paul Brook  <paul@codesourcery.com>
551
552         Merge from sourcerygxx-4_1.
553         * config/arm/thumb2.md: New file.
554         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
555         Thumb-2.
556         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
557         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
558         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
559         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
560         tables.
561         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
562         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
563         comptibility.
564         * config/arm/ieee754-sf.S: Ditto.
565         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
566         (thumb1_base_register_rtx_p): ... to this.
567         (thumb_index_register_rtx_p): Rename...
568         (thumb1_index_register_rtx_p): ... to this.
569         (thumb_output_function_prologue): Rename...
570         (thumb1_output_function_prologue): ... to this.
571         (thumb_legitimate_address_p): Rename...
572         (thumb1_legitimate_address_p): ... to this.
573         (thumb_rtx_costs): Rename...
574         (thumb1_rtx_costs): ... to this.
575         (thumb_compute_save_reg_mask): Rename...
576         (thumb1_compute_save_reg_mask): ... to this.
577         (thumb_final_prescan_insn): Rename...
578         (thumb1_final_prescan_insn): ... to this.
579         (thumb_expand_epilogue): Rename...
580         (thumb1_expand_epilogue): ... to this.
581         (arm_unwind_emit_stm): Rename...
582         (arm_unwind_emit_sequence): ... to this.
583         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
584         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
585         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
586         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
587         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
588         thumb2_output_casesi): New functions.
589         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
590         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
591         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
592         THUMB2_WORK_REGS): Define.
593         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
594         arm_condexec_mask, arm_condexec_masklen)): New variables.
595         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
596         (arm_override_options): Check new CPU capabilities.
597         Set new architecture flag variables.
598         (arm_isr_value): Handle v7m interrupt functions.
599         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
600         Thumb-2.
601         (const_ok_for_arm): Handle Thumb-2 constants.
602         (arm_gen_constant): Ditto.  Use movw when available.
603         (arm_function_ok_for_sibcall): Return false for v7m interrupt
604         functions.
605         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
606         (thumb_find_work_register, arm_load_pic_register,
607         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
608         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
609         print_multi_reg, output_mov_long_double_fpa_from_arm,
610         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
611         output_mov_double_fpa_from_arm, output_move_double,
612         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
613         output_return_instruction, arm_output_function_prologue,
614         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
615         arm_output_mi_thunk, thumb_set_return_address): Ditto.
616         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
617         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
618         (arithmetic_instr, shift_op): Use arm_shift_nmem.
619         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
620         '!' and 'L'.
621         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
622         (thumb_expand_prologue): Use thumb_set_frame_pointer.
623         (arm_file_start): Output directive for unified syntax.
624         (arm_unwind_emit_set): Handle stack alignment instruction.
625         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
626         Add v6t2, v7, v7a, v7r and v7m.
627         (RETLDM): Add Thumb-2 code.
628         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
629         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
630         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
631         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
632         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
633         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
634         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
635         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
636         ADJUST_INSN_LENGTH): Define.
637         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
638         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
639         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
640         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
641         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
642         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
643         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
644         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
645         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
646         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
647         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
648         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
649         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
650         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
651         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
652         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
653         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
654         cortex-m3.
655         * config/arm/arm-tune.md: Regenerate.
656         * config/arm/arm-protos.h: Update prototypes.
657         * config/arm/vfp.md: Enable patterns for Thumb-2.
658         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
659         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
660         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
661         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
662         * config/arm/libunwind.S: Add Thumb-2 code.
663         * config/arm/constraints.md: Update include Thumb-2.
664         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
665         * config/arm/ieee754-df.S: Ditto.
666         * config/arm/bpabi.S: Ditto.
667         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
668         * config/arm/predicates.md (low_register_operand,
669         low_reg_or_int_operand, thumb_16bit_operator): New.
670         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
671         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
672         * config/arm/t-arm-elf: Add armv7 multilib.
673         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
674         Include thumb2.md.
675         (UNSPEC_STACK_ALIGN, ce_count): New.
676         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
677         arm_zero_extendsidi2, arm_zero_extendqidi2): New
678         insns/expanders.
679         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
680         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
681         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
682         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
683         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
684         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
685         insns.
686         * doc/extend.texi: Document ARMv7-M interrupt functions.
687         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
688
689 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
690
691         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
692         (struct _Unwind_Context): Rename args_size to flags, remove
693         signal_frame field, add a new args_size field and version field.
694         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
695         _Unwind_IsExtendedContext): New inline functions.
696         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
697         Assume by_value array is only present if _Unwind_IsExtendedContext.
698         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
699         _Unwind_IsSignalFrame.
700         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
701         (uw_update_context_1): Use _Unwind_SetSignalFrame.
702         (uw_init_context_1): Initialize context->flags to
703         EXTENDED_CONTEXT_BIT.
704         * config/rs6000/linux-unwind.h (frob_update_context): Use
705         _Unwind_SetSignalFrame.
706
707 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
708
709         PR middle-end/30353
710         * gimplify.c (gimplify_modify_expr_complex_part): Move below
711         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
712         the value.
713
714 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
715
716         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
717         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
718         RET, AT_SP): Remove.
719         * config/i386/i386.md (*sse_prologue_save_insn): Use return
720         instead of RET.
721
722         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
723         * cfgbuild.c (find_basic_blocks): Likewise.
724         * cfgrtl.c (rtl_create_basic_block): Likewise.
725         * function.c (temp_slots_at_level): Likewise.
726         * reg-stack.c (stack_regs_mentioned): Likewise.
727         * regclass.c (allocate_reg_info): Likewise.
728         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
729         set_bb_for_stmt, move_block_to_fn): Likewise.
730         * tree-complex.c (tree_lower_complex): Likewise.
731         * vec.h (VEC_safe_grow_cleared): New.
732
733         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
734
735 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
736
737         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
738         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
739         to loop_version.
740         * cfgloopmanip.c (scale_loop_frequencies): Export.
741         (loopify): Scale the frequencies by prescribed coefficients.
742         (set_zero_probability): New function.
743         (duplicate_loop_to_header_edge): Improve updating of frequencies.
744         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
745         and frequencies according to arguments.
746         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
747         correctly.
748         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
749         * modulo-sched.c (sms_schedule): Set probabilities for entering
750         versioned loop correctly.
751         * tree-vect-transform.c (vect_transform_loop): Ditto.
752         * cfgloop.h (loopify, loop_version): Declaration changed.
753         (scale_loop_frequencies): Declared.
754
755 2007-01-02  Jan Hubicka  <jh@suse.cz>
756
757         * cgraph.c: Include tree-flow.h
758         (cgraph_add_new-function): Handle IPA_SSA mode; execute
759         early_local_passes.
760         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
761         * tree-pass.h (pass_all_early_optimizations): Declare.
762         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
763         early_local_passes.
764         (cgraph_analyze_function): Do early_local_passes.
765         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
766         Do not add referenced vars.
767         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
768         SSA form.
769         (gate_all_early_local_passes): New gate.
770         (pass_early_local_passes): Use new gate.
771         (execute_early_local_optimizations): New functions.
772         (gate_all_early_optimizations): New gate.
773         (pass_all_early_optimizations): New pass.
774         (execute_free_datastructures): Free SSA only when initialized.
775         (gate_init_datastructures): Init only when optimizing.
776         (tree_lowering_passes): Do early local passes when called late.
777         * tree-profile.c (do_tree_profiling): Don't profile functions added
778         late.
779         (do_early_tree_profiling, pass_early_tree_profile): Kill.
780         * tree-cfg.c (update_modified_stmts): Do not update when operands are
781         not active.
782         * passes.c (init_optimizations_passes): Reorder so we go into SSA
783         during early_local_passes.
784         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
785
786
787 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
788
789         * Makefile.in: Update copyright year.
790
791 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
792
793         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
794         in $(lang_checks) and check-consistency targets.
795
796 2007-01-02  Jan Hubicka  <jh@suse.cz>
797
798         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
799         Do not add referenced vars.
800         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
801         are not active.
802         * passes.c (init_optimization_passes): Put mudflap_2 after
803         free_datastructures.
804
805 2007-01-02  Jan Hubicka  <jh@suse.cz>
806
807         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
808         Set NOTHROW flag on call statements proved to be nothrow.
809         Update statement of local calls so new pure/const functions are
810         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
811         goto receivers.
812         (tree_rest_of_compilation): Register hooks and initialize bitmap
813         early. Do not set after_inlining flag.
814
815 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
816
817         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
818         HOST_BITS_PER_LONGLONG
819
820 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
821
822         PR c/19977
823         * c-typeck.c (store_init_value): Don't emit pedantic overflow
824         warning for non-static initializers.
825
826 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
827
828         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
829         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
830         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
831         Always use set_unique_reg_note to add REG_EQUAL notes.
832
833 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
834
835         Revert:
836         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
837
838         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
839         * cfgbuild.c (find_basic_blocks): Likewise.
840         * cfgrtl.c (rtl_create_basic_block): Likewise.
841         * function.c (temp_slots_at_level): Likewise.
842         * reg-stack.c (stack_regs_mentioned): Likewise.
843         * regclass.c (allocate_reg_info): Likewise.
844         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
845         set_bb_for_stmt, move_block_to_fn): Likewise.
846         * tree-complex.c (tree_lower_complex): Likewise.
847         * vec.h (VEC_safe_grow_cleared): New.
848
849 2007-01-02  Ian Lance Taylor  <iant@google.com>
850
851         * c-common.c (c_common_truthvalue_conversion): When warning about
852         using an assignment as a truth value, set TREE_NO_WARNING.
853
854 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
855
856         PR middle-end/7651
857         * c.opt (Wold-style-declaration): New.
858         * doc/invoke.texi (C-only Warning Options): New.
859         (Wold-style-declaration): Document it.
860         (Wextra): Enabled by -Wextra.
861         * c-opts.c (c_common_post_options): Enabled by -Wextra.
862         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
863         -Wold-style-declaration.
864
865 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
866
867         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
868         * cfgbuild.c (find_basic_blocks): Likewise.
869         * cfgrtl.c (rtl_create_basic_block): Likewise.
870         * function.c (temp_slots_at_level): Likewise.
871         * reg-stack.c (stack_regs_mentioned): Likewise.
872         * regclass.c (allocate_reg_info): Likewise.
873         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
874         set_bb_for_stmt, move_block_to_fn): Likewise.
875         * tree-complex.c (tree_lower_complex): Likewise.
876         * vec.h (VEC_safe_grow_cleared): New.
877
878 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
879
880         * c-common.c(c_common_nodes_and_builtins): Since variants of
881         void_type_node get built before it is given a name, we need to
882         give those variants the name, too.
883         (complete_array_type): We need to work with the canonical main
884         type of the array, from which we will build the qualified version.
885         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
886         * print-tree.c (print_node): Display canonical type information
887         for each type.
888         * stor-layout.c (layout_type): When we don't know the
889         alignment of a type for which we're building an array, we end up
890         guessing wrong, so make the type require structural equality.
891         * tree.c (make_node_stat): When we build a new type, it is its
892         own canonical type.
893         (build_type_attribute_qual_variant): When building an attribute
894         variant, its canonical type is the non-attribute variant. However,
895         if the attributes are target-dependent and they differ, we need to
896         use structural equality checks for this type.
897         (build_qualified_type): A qualified type is not equivalent to its
898         unqualified variant; set the canonical type appropriately.
899         (build_distinct_type_copy): When building a distinct type from
900         another type, the new type is its own canonical type.
901         (build_variant_type_copy): When building a new type variant, we
902         assume that it is equivalent to the original type.
903         (build_pointer_type_for_mode): When building a pointer type, also
904         build a canonical type pointer.
905         (build_reference_type_for_mode): When building a reference type,
906         also build a canonical type reference.
907         (build_index_type): When we can't hash an index type (e.g.,
908         because its maximum value is negative), the index type requires
909         structural equality tests.
910         (build_array_type): Build the canonical form of an array type.
911         (build_function_type): Function types require structural equality,
912         because they contain default arguments, attributes, etc.
913         (build_method_type_directly): Ditto for method types.
914         (build_offset_type): Build the canonical offset type.
915         (build_complex_type): Build the canonical vector type.
916         (make_vector_type): Build the canonical vector type.
917         * tree.h (TYPE_CANONICAL): New.
918         (TYPE_STRUCTURAL_EQUALITY_P): New.
919         (SET_TYPE_STRUCTURAL_EQUALITY): New.
920         (struct tree_type): Added "canonical" field.
921         * params.h (VERIFY_CANONICAL_TYPES): New.
922         * doc/c-tree.texi (TYPE_CANONICAL): Document.
923         (TYPE_STRUCTURAL_EQUALITY_P): Document.
924         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
925         * doc/invoke.texi (verify-canonical-types): Document --param
926         parameter for verifying canonical types.
927
928 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
929
930         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
931         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
932         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
933         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
934         tm_file.
935         * config/rs6000/e500.h: New.
936         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
937         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
938         Remove.
939         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
940         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
941         TARGET_E500_DOUBLE): Remove.
942         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
943         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
944         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
945         * config/rs6000/rs6000.c (rs6000_override_options): Use
946         CHECK_E500_OPTIONS.
947
948 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
949
950         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
951         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
952         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
953         rs6000_emit_cmove): Don't check TARGET_E500.
954         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
955         sordered): Don't check TARGET_E500.
956
957 2007-01-01  Eric Christopher  <echristo@apple.com>
958
959         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
960         HARD_REGISTER_NUM_P.
961
962 2007-01-01  Roger Sayle  <roger@eyesopen.com>
963
964         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
965         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
966         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
967         eq/ne Y".
968
969 2007-01-01  Mike Stump  <mrs@apple.com>
970
971         * configure.ac: Remove support for building with Apple's gcc-3.1.
972
973 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
974
975         PR middle-end/30311
976         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
977         REG is a hard register.  Do not modify REG before calling
978         subreg_nregs.
979         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
980         multiple of the size of YMODE for certain lowpart cases.
981
982 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
983
984         PR middle-end/30253
985         * gimplify (voidify_wrapper_expr): Update for
986         GIMPLE_MODIFY_STMT.
987
988 2007-01-01  Andreas Schwab  <schwab@suse.de>
989
990         PR target/29166
991         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
992         save of BR0 in extra_spill_size instead of spill_size.
993         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
994         area.
995         (ia64_expand_epilogue): Restore BR0 from its new location.
996
997 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
998
999         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1000         Use a temporary variable if the left hand side is not a gimple
1001         register.
1002
1003 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1004
1005         * gimplify.c (gimplify_return_expr): Make the temporary variable
1006         for the return expression, a gimple register variable.
1007
1008 2007-01-01  Jan Hubicka  <jh@suse.cz>
1009
1010         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1011         INSN_LIST.
1012
1013 2007-01-01  Mike Stump  <mrs@apple.com>
1014
1015         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1016         .literal16.
1017         * config/darwin.c (machopic_select_rtx_section): Use
1018         HAVE_GAS_LITERAL16.
1019         (darwin_mergeable_constant_section): Likewise.
1020         * configure: Regenerate.
1021         * config.in: Regenerate.
1022
1023 2007-01-01  Jan Hubicka  <jh@suse.cz>
1024             Andrew Pinski  <pinskia@gmail.com>
1025
1026         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1027         before starting IPA passes.