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1 2007-02-12  Richard Henderson  <rth@redhat.com>
2
3         * config/alpha/constraints.md: New file.
4         * config/alpha/alpha.c: Include tm-constrs.h.
5         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6         alpha_extra_constraint): Remove.
7         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8         * config/alpha/alpha-protos.h: Update.
9         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
10         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
11         (EXTRA_CONSTRAINT): Remove.
12         * config/alpha/alpha.md: Include constraints.md.
13         (adddi splitter): Use satisfies_constraint_*.
14         * config/alpha/predicates.md (add_operand): Likewise.
15         (sext_add_operand, addition_operation): Likewise.
16
17 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
18
19         PR tree-optimization/29145
20         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
21         in our handling of restrict qualified pointers.
22
23 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24
25         PR middle-end/7651
26         * doc/invoke.texi (Wunused-value): Update description.
27         (Wextra): Delete item.
28         * opts.c (set_Wextra): Don't use the value of Wextra to set the
29         value of Wunused-value.
30         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
31         (c_finish_stmt_expr): Don't check extra_warnings.
32         (emit_side_effect_warnings): The caller is responsible to check
33         warn_unused_value.
34         
35 2007-02-11  Roger Sayle  <roger@eyesopen.com>
36             Matt Thomas  <matt@3am-software.com>
37
38         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
39
40 2007-02-11  Roger Sayle  <roger@eyesopen.com>
41
42         * simplify-rtx.c (simplify_relational_operation_1): Optimize
43         comparisons of POPCOUNT against zero.
44         (simplify_const_relational_operation): Likewise.
45
46 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
47
48         * doc/invoke.texi (Wextra): Delete outdated paragraph.
49         
50 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
51
52         * dwarf2out.c (root_type): Delete unused function.
53         
54 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
55
56         * genattrtab.c (contained_in_p): Delete unused function.
57         (write_expr_attr_cache): Likewise.
58
59 2007-02-11  Jan Hubicka  <jh@suse.cz>
60
61         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
62         previous patch.
63
64 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
65
66         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
67         to add the REG_EQ* note.
68         * see.c (see_merge_one_use_extension): Likewise.
69         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
70         turn REG_EQUAL notes into REG_EQUIV notes if the target
71         register may have more than one set.
72         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
73         * gcse.c (try_replace_reg): Likewise.
74         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
75         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
76         more than one REG_EQUIV note.
77         * reload1.c (gen_reload): Use set_unique_reg_note.
78
79 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
80
81         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
82         (ix86_builtin_conversion): New function.
83
84 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
85
86         PR target/29487
87         * tree.h (DECL_REPLACEABLE_P): New macro.
88         * except.c (set_nothrow_function_flags): Likewise.
89
90 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
91             Ira Rosen  <irar@il.ibm.com>
92             Dorit Nuzman  <dorit@il.ibm.com>
93
94         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
95         * targhooks.c (default_builtin_vectorized_conversion): New.
96         * targhooks.h (default_builtin_vectorized_function): New declaration.
97         * target.h (struct vectorize): Add builtin_conversion field.
98         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
99         stmt_vec_info_type value.
100         (vectorizable_conversion): New declaration.
101         * tree-vect-analyze.c (vect_analyze_operations): Add
102         vectorizable_conversion call.
103         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
104         * tree-vect-transform.c (vectorizable_conversion): New function.
105         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
106         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
107         mode.
108         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
109         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
110         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX or
111         ALTIVEC_BUILTIN_VCFSX.
112
113 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
114
115         PR target/30634
116         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
117         CONST_DOUBLE and operand 0 is a hard register.
118         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
119         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
120         is a hard floating-point register.
121
122 2007-02-10  Richard Henderson  <rth@redhat.com>
123             Jakub Jelinek  <jakub@redhat.com>
124             Alexandre Oliva  <aoliva@redhat.com>
125
126         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
127         * builtin-types.def (BT_WORD): Make unsigned.
128         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
129         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
130         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
131         * c-decl.c (grokdeclarator): Don't error if !have_tls.
132         * c-parser.c (c_parser_omp_threadprivate): Likewise.
133         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
134         emulated tls.
135         * expr.c (emutls_var_address): New.
136         (expand_expr_real_1): Expand emulated tls.
137         (expand_expr_addr_expr_1): Likewise.
138         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
139         * output.h (emutls_finish): Declare.
140         * toplev.c (compile_file): Call it.
141         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
142         address before wrapping in CONST.
143         * varasm.c (emutls_htab, emutls_object_type): New.
144         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
145         (get_emutls_object_name, get_emutls_object_type): New.
146         (get_emutls_init_templ_addr, emutls_decl): New.
147         (emutls_common_1, emutls_finish): New.
148         (assemble_variable): When emulating tls, swap decls; generate
149         constructor for the emutls objects.
150         (do_assemble_alias): When emulating tls, swap decl and target name.
151         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
152         for emulated tls.
153         * varpool.c (decide_is_variable_needed): Look at force_output.
154         Recurse for emulated tls.
155         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
156         with decide_is_variable_needed.
157         * emutls.c: New file.
158         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
159         tls_object for real tls.
160
161 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
162
163         PR rtl-optimization/29599
164         * reload1.c (eliminate_regs_in_insn): Take the destination
165         mode into account when computing the offset.
166
167 2007-02-09  Stuart Hastings  <stuart@apple.com>
168             Richard Henderson  <rth@redhat.com>
169
170         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
171         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
172         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
173         fixuns_truncdfhi2): New.
174         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
175         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
176         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
177         (floatunssidf2): Allow nonimmediate source.
178         * gcc/config/i386/sse.md (movdi_to_sse): New.
179         (vec_concatv2di): Drop '*'.
180         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
181         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
182         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
183         New.
184         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
185         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
186         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
187         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
188         (ix86_build_signbit_mask): Fix decl of v, refactor to call
189         ix86_build_const_vector.
190         (x86_emit_floatuns): Rewrite.
191
192 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
193
194         * genautomata.c (longest_path_length): Delete unused function.
195         (struct state): Delete unused longest_path_length.
196         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
197         (get_free_state): Delete unused.
198         
199 2007-02-09  Jan Hubicka  <jh@suse.cz>
200
201         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
202         * doc/invoke.texi (inline-unit-growth): Update default value.
203
204         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
205         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
206         (rebuild_cgraph_edges): Likewise.
207         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
208         (dump_cgraph_node): Dump frequencies.
209         (cgraph_clone_edge): Add frequency scales.
210         (cgraph_clone_node): Add freuqnecy.
211         * cgraph.h (cgraph_edge): Add freuqnecy argument.
212         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
213         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
214         * tree-pass.h (TODO_rebuild_frequencies): New constant.
215         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
216         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
217         (save_inline_function_body): Likewise.
218         * ipa-inline.c: inluce rtl.h
219         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
220         (cgraph_edge_badness): Use frequencies.
221         (cgraph_decide_recursive_inlining): Update clonning.
222         (cgraph_decide_inlining_of_small_function): Dump frequency.
223         * predict.c (estimate_bb_frequencies): Export.
224         * predict.h (estimate_bb_frequencies): Declare.
225         * tree-inline.c (copy_bb): Watch overflows.
226         (expand_call_inline): Update call of cgraph_create_edge.
227         (optimize_inline_calls): Use TODO flags to update frequnecies.
228         * passes.h: Include predict.h
229         (init_optimization_passes): Move profile ahead.
230         (execute_function_todo): Handle TODO_rebuild_frequencies.
231
232 2007-02-09  Roger Sayle  <roger@eyesopen.com>
233
234         * config/alpha/alpha.c (emit_insxl): Force the first operand of
235         the insbl or inswl pattern into a register.
236
237 2007-02-09  Roger Sayle  <roger@eyesopen.com>
238
239         * config/ia64/ia64.md (bswapdi2): New define_insn.
240
241 2007-02-09  Richard Henderson  <rth@redhat.com>
242
243         * config/i386/constraints.md (Ym): New constraint.
244         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
245         (movdi_1_rex64): Split sse and xmm general register moves from
246         memory move alternatives.  Use conditional register constraints.
247         (movsf_1, movdf_integer): Likewise.
248         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
249         (movdf_integer_rex64): New.
250         (pushsf_rex64): Fix output constraints.
251         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
252         (sse2_stored): Likewise.
253         (sse2_storeq_rex64): New.
254         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
255         amd and not generic.
256         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
257         for optimize_size.  Remove SF/DFmode hack.
258
259 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
260
261         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
262         (bit_SSE4a): New.
263
264 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
265             Richard Sandiford  <richard@codesourcery.com>
266
267         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
268         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
269         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
270         m68k/t-mlib to tmake_file.
271         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
272         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
273         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
274         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
275         variable is not empty, add t-$m68k_arch_family to tmake_file.
276         Add t-mlibs to tmake_file.
277         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
278         * config/m68k/t-cf: New file.
279         * config/m68k/t-m68k: Likewise.
280         * config/m68k/t-mlibs: Likewise.
281         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
282         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
283         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
284         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
285         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
286         Delete.
287         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
288         (INSTALL_LIBGCC): Delete.
289         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
290         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
291         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
292         (M68K_MLIB_CPU): Define.
293         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
294         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
295         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
296
297 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
298             Richard Guenther  <rguenther@suse.de>
299
300         PR middle-end/23361
301         * fold-const.c (fold_comparison): Handle obfuscated comparisons
302         against INT_MIN/INT_MAX.
303         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
304         file if a loop is removed.
305
306 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
307
308         * calls.c (store_one_arg): Pass correct alignment to
309         emit_push_insn for non-BLKmode values.
310         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
311         unaligned stack slot via a suitably aligned slot.
312
313 2007-02-08  DJ Delorie  <dj@redhat.com>
314
315         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
316         warnings.
317         (legal_subregs): Use unsigned char, make const.
318         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
319
320 2007-02-08  Paul Brook  <paul@codesourcery.com>
321
322         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
323         special interworking needed.
324
325 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
326
327         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
328         conditional to __SSE2__.
329         (Entries below should have been added to first ChangeLog
330         entry for amdfam10 dated 2007-02-05)
331         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
332         defined.
333         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
334         defined.
335         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
336         defined.
337
338 2007-02-08  DJ Delorie  <dj@redhat.com>
339
340         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
341         * config/m32c/m32c.c (legal_subregs): New.
342         (m32c_illegal_subreg_p): New.
343         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
344         unsupported subregs of hard regs.
345
346 2007-02-08  Jan Hubicka  <jh@suse.cz>
347
348         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
349         the same one; always update histograms.
350
351 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
352
353         * passes.c (init_optimization_passes): Tidy comment.
354
355 2007-02-08  Roger Sayle  <roger@eyesopen.com>
356
357         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
358         strip zero_extend, bswap and rotates from POCOUNT's argument.
359         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
360         zero_extend and rotates from PARITY's argument.
361         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
362         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
363         of an integer constant at compile-time.
364
365 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
366
367         PR 30562
368         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
369         Update all users.
370         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
371         users.
372         (init_alias_info):
373         * tree-ssa-live.c (remove_unused_locals): Do not remove
374         TREE_ADDRESSABLE variables.
375         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
376         * tree-ssa-operands.c (add_virtual_operand): Remove argument
377         FOR_CLOBBER.  Update all users.
378         If VAR has an associated alias set, add a virtual operand for
379         it if no alias is found to conflict with the memory reference.
380
381 2007-02-07  Jan Hubicka  <jh@suse.cz>
382             Robert Kidd <rkidd@crhc.uiuc.edu>
383
384         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
385
386 2007-02-07  Ian Lance Taylor  <iant@google.com>
387
388         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
389
390 2007-02-07  Roger Sayle  <roger@eyesopen.com>
391
392         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
393         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
394         tablejumpdi, movsi_to_cr_one): Remove constraints from
395         define_expand's match_operands.
396
397 2007-02-07  Roger Sayle  <roger@eyesopen.com>
398
399         * global.c (compute_regsets): Move declatation of "i" inside of
400         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
401
402 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
403
404         PR c++/30703
405         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
406         of INDIRECT_REF <RESULT_DECL>.
407
408         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
409
410 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
411             Kaz Kojima  <kkojima@gcc.gnu.org>
412
413         PR target/29746
414         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
415         properly.
416         (sh_initialize_trampoline): Add parentheses to avoid a warning.
417
418 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
419
420         * doc/loop.texi: Document possibility not to perform disambiguation
421         of loops with multiple latches.
422         * cfgloopmanip.c (alp_enum_p): Removed.
423         (add_loop): Handle subloops.  Use get_loop_body_with_size.
424         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
425         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
426         the new forwarder block.
427         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
428         Handle the case latch is NULL.
429         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
430         when marking loop exits.
431         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
432         be modified.
433         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
434         disambiguate_loops_with_multiple_latches.
435         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
436         before fix_loop_structure.
437         * cfgloop.c: Include pointer-set.h and output.h.
438         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
439         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
440         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
441         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
442         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
443         disambiguate_multiple_latches, get_loop_body_with_size,
444         disambiguate_loops_with_multiple_latches): New functions.
445         (flow_loop_dump): Dump multiple latch edges.
446         (flow_loop_nodes_find): Handle loops with multiple latches.
447         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
448         (glb_enum_p): Modified.
449         (get_loop_body): Use get_loop_body_with_size.
450         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
451         (AVOID_CFG_MODIFICATIONS): New constant.
452         (disambiguate_loops_with_multiple_latches, add_loop,
453         get_loop_body_with_size): Declare.
454         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
455
456 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
457
458         PR inline-asm/28686
459         * global.c (compute_regsets): New function.
460         (global_alloc): Refactored ELIMINABLE_REGSET
461         and NO_GLOBAL_ALLOC_REGS computation out.
462         (rest_of_handle_global_alloc): Call compute_regsets()
463         for non-optimizing case.
464
465 2007-02-06  Richard Henderson  <rth@redhat.com>
466
467         * config/i386/constraints.md (Y2): Rename from Y.
468         (Yi): New constraint.
469         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
470         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
471         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
472         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
473         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
474         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
475         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
476         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
477         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
478         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
479         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
480         vec_extractv2si_1): Change Y constraints to Y2.
481         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
482         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
483         Change Y constraints to Y2.
484         (sse2_loadld): Change Y constraints to x.
485
486 2007-02-06  Roger Sayle  <roger@eyesopen.com>
487
488         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
489         (parity<mode>2): New define_expand using rs6000_emit_parity.
490         * config/rs6000/rs6000.c (rs6000_emit_popcount,
491         rs6000_emit_parity): New functions.
492         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
493         rs6000_emit_parity): Prototype here.
494
495 2007-02-06  Ian Lance Taylor  <iant@google.com>
496
497         * lower-subreg.c (simple_move_operand): Reject CONST.
498         (resolve_clobber): Call validate_change rather than directly
499         assigning to XEXP (pat, 0).
500
501 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
502
503         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
504         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
505         (tree-cfg.o): Remove hashtab.h dependency.
506
507         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
508         (struct ivopts_data): Change niters to pointer_map_t.
509         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
510         (niter_for_exit): Create pointer_map on demand.  Change for
511         pointer_map API.
512         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
513         (free_loop_data): Destroy data->niters if created and reset field.
514         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
515         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
516
517         * tree-ssa-reassoc.c: Include pointer-set.h.
518         (bb_rank): Change to long *.
519         (operand_rank): Change to pointer_map_t.
520         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
521         (insert_operand_rank): Accept long.
522         (operand_entry_hash, operand_entry_eq): Remove.
523         (get_rank): Return long.  Adjust for changes above.
524         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
525         and operand_rank.
526         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
527
528         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
529         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
530         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
531         is not NULL.
532         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
533         directly since it cannot be NULL.
534         (get_vi_for_tree): Rewrite for pointer_map API.
535         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
536         (init_alias_vars): Create vi_for_tree as pointer_map.
537         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
538
539         * tree-cfg.c: Don't include hashtab.h.
540         (edge_to_cases): Declare as pointer_map.
541         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
542         Delete.
543         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
544         (start_recording_case_labels): Create edge_to_cases as pointer_map.
545         (end_recoding_case_labels): Cleanup edge_to_cases manually before
546         destroying it.
547         (record_switch_edge): Delete.
548         (get_cases_for_edge): Adjust for pointer_map API, inline
549         record_switch_edge (rewritten for new API), remove goto.
550
551 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
552
553         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
554         * tree-nested.c: Include pointer-set.h.
555         (var_map_elt, var_map_eq, var_map_hash): Delete.
556         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
557         to pointer_map_t's.
558         (nesting_info_bitmap_obstack): New.
559         (lookup_field_for_decl): Adjust for pointer_map API.
560         (lookup_tramp_for_decl): Adjust for pointer_map API.
561         (get_nonlocal_debug_decl): Adjust for pointer_map API.
562         (get_local_debug_decl): Adjust for pointer_map API.
563         (convert_nl_goto_reference): Adjust for pointer_map API.
564         (convert_nl_goto_receiver): Adjust for pointer_map API.
565         (create_nesting_tree): Create outside GGC space.  Create bitmap on
566         the new obstack.  Create field_map and var_map as pointer_maps.
567         (free_nesting_tree): Adjust for changes to create_nesting_tree.
568         (root): Delete. 
569         (lower_nested_functions): Move root here, no need to NULL it.
570         Initialize and release the obstack.
571
572 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
573
574         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
575         Remove prototypes and make them non-static.
576         (struct tree_int_map): Remove.
577         * tree.h (struct tree_int_map): Move here, turning TO into an
578         unsigned int.
579         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
580
581         * tree.h (TREE_COMPLEXITY): Remove.
582         (struct tree_exp): Remove complexity field.
583         * tree.c (build1_stat): Don't set it.
584
585 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
586             Victor Kaplansky  <victork@il.ibm.com>
587
588         * tree-vectorizer.c (vect_is_simple_use): Support induction.
589         (vect_is_simple_reduction): Support reduction with induction as
590         one of the operands.
591         (vect_is_simple_iv_evolution): Fix formatting.
592         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
593         formatting.  Don't mark induction phis for vectorization.
594         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
595         * tree-vect-transform.c (get_initial_def_for_induction): New function.
596         (vect_get_vec_def_for_operand): Support induction.
597         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
598         induction case.
599         (vectorizable_reduction): Support reduction with induction as one of 
600         the operands. 
601         (vectorizable_type_demotion): Use def-type of stmt argument rather
602         than dummy def-type.
603
604         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
605         flag_tree_scev_cprop.
606         * common.opt (tree-scev-cprop): New flag.
607
608         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
609         call to vect_get_new_vect_var.
610
611 2007-02-06  Ira Rosen  <irar@il.ibm.com>
612
613         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
614         vectype is not NULL.
615         (vect_pattern_recog_1): Likewise.
616
617 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
618
619         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
620         (fold_negate_expr): Likewise.
621
622 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
623
624         PR debug/30189
625         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
626         even if cv-qualification is the same.
627
628 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
629
630         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
631         __enable_execute_stack on completion.
632
633 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
634
635         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
636         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
637         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
638         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
639         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
640         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
641         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
642         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
643
644 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
645
646         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
647         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
648         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
649         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
650         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
651         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
652         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
653         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
654         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
655         umuldi3_highpart_rex64, umulsi3_highpart_insn,
656         umulsi3_highpart_zext, smuldi3_highpart_rex64,
657         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
658         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
659         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
660         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
661         sqrtextenddfxf2_i387): Added amdfam10_decode.
662         
663         * config/i386/athlon.md (athlon_idirect_amdfam10,
664         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
665         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
666         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
667         athlon_ivector_store_amdfam10): New define_insn_reservation.
668         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
669         amdfam10.
670
671 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
672
673         * config/i386/athlon.md (athlon_call_amdfam10,
674         athlon_pop_amdfam10, athlon_lea_amdfam10): New
675         define_insn_reservation.
676         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
677         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
678         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
679
680 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
681
682         * config/i386/athlon.md (athlon_sseld_amdfam10,
683         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
684         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
685
686 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
687
688         * config/i386/athlon.md (athlon_sseins_amdfam10): New
689         define_insn_reservation.
690         * config/i386/i386.md (sseins): Added sseins to define_attr type
691         and define_attr unit.
692         * config/i386/sse.md: Set type attribute to sseins for insertq
693         and insertqi.
694
695 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
696
697         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
698         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
699         ssecomi_load_amdfam10, ssecomi_amdfam10,
700         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
701         define_insn_reservation.
702         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
703
704 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
705
706         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
707         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
708         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
709         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
710         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
711         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
712         define_insn_reservation.
713
714         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
715         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
716         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
717         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
718         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
719
720 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
721
722         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
723         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
724         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
725         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
726         athlon_ssemul_load_k8): Added amdfam10.
727
728 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
729
730         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
731         (x86_sse_unaligned_move_optimal): New variable.
732         
733         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
734         m_AMDFAM10.
735         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
736         for unaligned vector SSE double/single precision loads for AMDFAM10.
737
738 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
739
740         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
741         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
742         Define TARGET_CPU_DEFAULT_amdfam10.
743         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
744         (processor_type): Add PROCESSOR_AMDFAM10.       
745         
746         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
747         processor_type in config/i386/i386.h.
748         Enable imul peepholes for TARGET_AMDFAM10.
749         
750         * config.gcc: Add support for --with-cpu option for amdfam10.
751         
752         * config/i386/i386.c (amdfam10_cost): New variable.
753         (m_AMDFAM10): New macro.
754         (m_ATHLON_K8_AMDFAM10): New macro.
755         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
756         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
757         x86_promote_QImode, x86_integer_DFmode_moves,
758         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
759         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
760         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
761         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
762         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
763         Enable/disable for amdfam10.
764         (override_options): Add amdfam10_cost to processor_target_table.
765         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
766         processor_alias_table.
767         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
768         (ix86_adjust_cost): Add code for amdfam10.
769
770 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
771         
772         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
773         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
774         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
775         * config/i386/i386.h: Add builtin definition for SSE4A.
776         * config/i386/i386.md: Add support for ABM instructions 
777         (popcnt and lzcnt).
778         * config/i386/sse.md: Add support for SSE4A instructions
779         (movntss, movntsd, extrq, insertq).
780         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
781         Add -march=amdfam10 flag.
782         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
783         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
784         and amdfam10.
785         * doc/extend.texi: Add documentation for SSE4A builtins.
786
787 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
788
789         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
790
791 2007-02-05  Richard Guenther  <rguenther@suse.de>
792
793         * tree-vectorizer.h (vectorizable_function): Add argument type
794         argument, change return type.
795         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
796         * tree-vect-transform.c (vectorizable_function): Handle extra
797         argument, return vectorized function decl.
798         (build_vectorized_function_call): Remove.
799         (vectorizable_call): Handle calls with result and argument types
800         differing.  Handle loop vectorization factor correctly.
801         * targhooks.c (default_builtin_vectorized_function): Adjust for
802         extra argument.
803         * targhooks.h (default_builtin_vectorized_function): Likewise.
804         * target.h (builtin_vectorized_function): Add argument type
805         argument.
806         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
807         extra argument, allow vectorizing of lrintf.
808         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
809         documentation of target hook.
810
811 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
812
813         PR target/30665
814         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
815         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
816         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
817
818 2007-02-05  Roger Sayle  <roger@eyesopen.com>
819
820         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
821         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
822         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
823         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
824         before canonicalizing sincos to cexpi.
825         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
826
827 2007-02-05  Roger Sayle  <roger@eyesopen.com>
828
829         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
830         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
831         (alpha_init_builtins): Use alpha_add_builtins to process tables.
832
833 2007-02-05  Roger Sayle  <roger@eyesopen.com>
834
835         * mips-tfile.c (initialize_init_file): Correct endianness test.
836
837 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
838
839         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
840         the 'y' constraint.
841
842 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
843
844         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
845         saves in a PARALLEL before the register assignments.
846
847 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
848
849         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
850         DWARF_FRAME_RETURN_COLUMN to be a general register.
851         * dwarf2out.c (init_return_column_size): New function, split from...
852         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
853         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
854         to be nongeneral registers.
855         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
856         integer registers.
857         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
858         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
859
860 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
861
862         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
863
864 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
865
866         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
867         (remove_path): Use can_remove_branch_p and remove_branch instead
868         of loop_delete_branch_edge.
869         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
870         (tree_transform_and_unroll_loop): Remove dead branches immediately.
871         Update profile using scale_dominated_blocks_in_loop.
872         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
873         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
874         (can_remove_branch_p, remove_branch): Declare.
875         * tree-cfg.c (tree_can_remove_branch_p): New function.
876         (tree_cfg_hooks): Add tree_can_remove_branch_p.
877         * cfgrtl.c (rtl_can_remove_branch_p): New function.
878         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
879
880 2007-02-05  Jan Hubicka  <jh@suse.cz>
881
882         PR middle-end/30696
883         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
884         nodes in cgraph, don't remove offline copy of the function.
885
886 2007-02-04  Jan Hubicka  <jh@suse.cz>
887
888         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
889         vectors might cause maybe_lookup_element_for_expr to be called
890         on non-sra-candidate.
891
892 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
893
894         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
895         config/bfin/bfin.md, config/bfin/predicates.md: Follow
896         spelling conventions.
897
898 2007-02-04  Richard Guenther  <rguenther@suse.de>
899
900         PR middle-end/30636
901         * fold-const.c (try_move_mult_to_index): Make sure to not
902         overflow one dimension of a multi-dimensional array access.
903
904 2007-02-04  Jan Hubicka  <jh@suse.cz>
905
906         * passes.c (init_optimization_passes): Reindent.
907
908 2007-02-04  Jan Hubicka  <jh@suse.cz>
909             Eric Botcazou  <ebotcazou@adacore.com>
910
911         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
912         (execute_fixup_cfg): Break out the abnormal goto code.
913         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
914         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
915         (optimize_inline_calls): Call make_nonlocal_label_edges.
916
917 2007-02-04  Jan Hubicka  <jh@suse.cz>
918
919         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
920         true when something was changed.
921         (rename_ssa_copies): When something was changed, do
922         TODO_remove_unused_locals.
923         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
924         add TODO_remove_unused_locals when instruction was removed.
925
926 2007-02-04  Jan Hubicka  <jh@suse.cz>
927
928         * ipa-inline.c (try_inline): Improve debug output; work on already
929         inline edges too.
930         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
931         call try_inline for already inlined edges too when flattening; 
932         inline also functions that make callee growth but overall unit size
933         reduce.
934
935 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
936
937         * config/m32c/bitops.md, config/m32c/jump.md,
938         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
939         config/m32r/m32r.h, config/m32r/m32r.md,
940         config/m32r/predicates.md, config/m68hc11/larith.asm,
941         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
942         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
943         config/mips/mips-protos.h, config/mips/mips.c,
944         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
945         config/mn10300/mn10300.h, config/mn10300/predicates.md,
946         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
947         spelling conventions.
948
949         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
950         Follow spelling conventions.
951
952 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
953
954        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
955        warn about C++0x compatibility.
956         
957 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
958
959         * config/h8300/h8300.c, config/h8300/h8300.h,
960         config/h8300/h8300.md: Follow spelling conventions.
961
962 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
963
964         PR middle-end/30667
965         * combine.c (try_combine): Do not substitute source operand
966         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
967
968 2007-02-03  Jan Hubicka  <jh@suse.cz>
969
970         PR gcov-profile/30650
971         * value-prof.c (stringop_block_profile): Fix handling of size counter;
972         do not divide by zero for never executed counters.
973         (tree_find_values_to_profile): Fix counters.
974         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
975
976 2007-02-03  Ian Lance Taylor  <iant@google.com>
977
978         * lower-subreg.c (simple_move_operand): New static function,
979         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
980         operands.
981         (simple_move): Call simple_move_operand.
982         (find_decomposable_subregs): Add special handling of MEMs.
983         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
984         meaning of return value.  If we see a hard register, test whether
985         it can store a word_mode value.  Change all callers.
986
987 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
988
989         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
990         ftrapv insns and expanders.
991         (subdi3): Change define_expand operand 1 to arith11_operand, and
992         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
993         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
994         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
995         respectively.
996
997         PR middle-end/30174
998         * varasm.c (notice_global_symbol): Treat global objects as weak when
999         flag_shlib is true.
1000
1001 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1002
1003         * emit-rtl.c (dconstpi): Delete.
1004         (dconstsqrt2): New.
1005         (init_emit_once): Delete dconstpi and init dconstsqrt2.
1006         * real.h (dconstpi): Delete.
1007         (dconstsqrt2): New.
1008         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1009         (fold_builtin_hypot): Likewise.
1010
1011 2007-02-03  Tom Tromey  <tromey@redhat.com>
1012
1013         PR driver/30246
1014         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1015         -gcoff3, -gxcoff3, -gvms3 implies -dD.
1016
1017 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
1018
1019         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1020         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1021         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1022         config/rs6000/cell.md, config/rs6000/darwin.h,
1023         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1024         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1025         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1026         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1027         typos.  Follow spelling conventions.
1028         * doc/invoke.texi: Follow spelling conventions.
1029
1030 2007-02-03  Roger Sayle  <roger@eyesopen.com>
1031
1032         * simplify-rtx.c (simplify_relational_operation_1): Implement some
1033         canonicalization transformations that attempt to simplify integer
1034         constant comparisons to become comparisons against zero.
1035
1036 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1037
1038         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1039         fabs(x)*sqrt(2).
1040         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
1041         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
1042
1043 2007-02-02  Mike Stump  <mrs@apple.com>
1044
1045         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1046         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1047         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1048         generate a branch island.
1049
1050 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
1051
1052         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1053         (xtensa_legitimate_address_p): New.
1054         (xtensa_legitimize_address): New.
1055         (xtensa_output_addr_const_extra): New.
1056         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1057         (BASE_REG_P): New.
1058         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1059         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1060         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1061         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1062         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1063         (xtensa_legitimize_address): New.
1064         (xtensa_output_addr_const_extra): New.
1065
1066 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
1067
1068         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1069
1070 2007-02-02  Ian Lance Taylor  <iant@google.com>
1071
1072         * expmed.c (expand_divmod): Add comment.
1073
1074 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
1075
1076         * emit-rtl.c (renumber_insns): Remove.
1077         * flags.h: Remove the extern for flag_renumber_insns.
1078         * rtl.h: Remove the prototype for renumber_insns.
1079         * toplev.c (flag_renumber_insns): Remove.
1080
1081 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
1082
1083         Revert for x86 darwin:
1084         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1085         
1086         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1087         code before the following patch under TARGET_MACHO.
1088         (ix86_function_value_regno_p): Likewise.
1089
1090 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1091
1092         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1093         COMPLEX_EXPR.
1094
1095 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1096
1097         PR target/29682
1098         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1099         general or fp registers.  Add comments.
1100         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1101
1102 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1103
1104         * pointer-set.c (insert_aux): Only return insertion slot.
1105         (pointer_set_insert): Adjust.
1106         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1107         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1108         pointer_map_traverse): New.
1109         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1110         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1111         pointer_map_contains, pointer_map_traverse): Declare.
1112
1113 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR middle-end/30473
1116         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1117         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1118
1119 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1120
1121         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1122         
1123         (struct _dep): New type.
1124         (dep_t): New typedef.
1125         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1126         (DEP_STATUS): New access macro.  The macro with the same name was
1127         renamed to DEP_LINK_STATUS.
1128         (dep_init): Declare function
1129
1130         (struct _dep_link): New type.
1131         (dep_link_t): New typedef.
1132         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1133         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1134         (DEP_LINK_STATUS): New macro.
1135         (debug_dep_links): New debug function.
1136
1137         (struct _deps_list): New type.
1138         (deps_list_t): New typedef.
1139         (DEPS_LIST_FIRST): New access macro.
1140         (FOR_EACH_DEP_LINK): New cycle macro.
1141         (create_deps_list, free_deps_list, delete_deps_list): Declare
1142         functions.
1143         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1144         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1145         (copy_deps_list_change_con): Ditto.
1146
1147         (move_dep_link): Declare function.
1148
1149         (struct _dep_node): New type.
1150         (dep_node_t): New typedef.
1151         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1152
1153         (struct haifa_insn_data.back_deps): New field to hold backward
1154         dependencies of the insn.
1155         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1156         to deps_list_t.
1157         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1158         Change its type to deps_list_t.
1159         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1160         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1161         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1162
1163         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1164         
1165         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1166
1167         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1168         all callers.
1169         (dep_cost): Declare.
1170         
1171         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1172         (ds_to_dk, dk_to_ds): New functions.
1173         
1174         (init_dep_1): New static function.
1175         (init_dep): New function.
1176         (copy_dep): New static function.
1177         
1178         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1179         functions.
1180         (detach_dep_link): New static function.
1181         (move_dep_link): New function.
1182         
1183         (dep_links_consistent_p, dump_dep_links): New static functions.
1184         (debug_dep_links): New debugging function.
1185         
1186         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1187         
1188         (alloc_deps_list, init_deps_list): New static functions.
1189         (create_deps_list): New function.
1190         (clear_deps_list): New static function.
1191         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1192         (deps_list_consistent_p, dump_deps_list): New static functions.
1193         (debug_deps_list): New function.
1194         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1195         functions.
1196         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1197
1198         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1199         use new scheduler dependencies lists.
1200         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1201         (sched_analyze): Ditto.  Initialize dependencies lists.
1202         (add_forw_dep, compute_forward_dependences): Update to use new
1203         scheduler dependencies lists.
1204         
1205         (init_dependency_caches): Init deps_obstack.
1206         (free_dependency_caches): Free deps_obstack.
1207         
1208         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1209         new scheduler dependencies lists.
1210         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1211         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1212
1213         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1214         Update to use new scheduler dependencies lists.
1215         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1216         (debug_dependencies): Ditto.
1217         (schedule_region): Update comments.
1218         
1219         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1220         scheduler dependencies lists.
1221         (schedule_ebb): Update comments.
1222         
1223         * rtl.def (DEPS_LIST): Remove.
1224         
1225         * lists.c (unused_deps_list): Remove.
1226         (free_list): Update assertions.
1227         
1228         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1229         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1230
1231         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1232         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1233         
1234         * haifa-sched.c (comments): Update.
1235         (insn_cost1): Remove.  Inline the code into insn_cost ().
1236         (insn_cost): Update to use new scheduler dependencies lists.  Move
1237         processing of the dependency cost to dep_cost ().
1238         (dep_cost): New function.  Use it instead of insn_cost () when
1239         evaluating cost of the dependency.  Use compatible interface to
1240         interact with the target.
1241         (priority): Update to use new scheduler dependencies lists.
1242         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1243         with greater number of insns that depend on the insn.
1244         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1245         code to free backward dependencies lists.  Inline and optimize code
1246         from resolve_dep () - see PR28071.
1247         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1248         lists.  Update call to targetm.sched.is_costly_dependence hook.
1249         
1250         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1251         scheduler dependencies lists.
1252         
1253         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1254         (init_h_i_d): Initialize dependencies lists.
1255         
1256         (process_insn_depend_be_in_spec): Rename to
1257         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1258         dependencies lists.
1259         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1260         Update to use new scheduler dependencies lists.
1261         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1262         
1263         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1264         new scheduler dependencies lists.
1265         (build_intra_loop_deps): Ditto.
1266         
1267         * target.h (struct _dep): Declare to use in
1268         gcc_target.sched.is_costly_dependence.
1269         (struct gcc_target.sched.adjust_cost): Fix typo.
1270         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1271         single dep_t parameter instead of an equivalent triad.
1272         (struct gcc_target.sched.adjust_cost_2): Remove.
1273
1274         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1275
1276         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1277
1278         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1279         documentation.
1280         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1281
1282         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1283         (REG_DEP_TRUE): Document.
1284         
1285         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1286         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1287         Update use in TARGET_SCHED_ADJUST_COST_2.
1288         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1289         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1290         new scheduler dependencies lists.
1291         (ia64_gen_check): Ditto.
1292
1293         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1294         dependencies lists.
1295         
1296         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1297         signature to correspond to the targetm.sched.is_costly_dependence hook.
1298         (is_costly_group): Update to use new scheduler dependencies lists.
1299
1300         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1301         instead of INSN_COST () macro.
1302
1303 2007-02-01  Ian Lance Taylor  <iant@google.com>
1304
1305         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1306
1307 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1308
1309         * pa.md (tp_load): Correct mfctl instruction syntax.
1310
1311 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1312
1313         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1314         altivec_padding_size calculation on AIX.  Improve comment, add
1315         assert to verify that it's right.
1316
1317         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1318         64-bit.
1319
1320 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1321
1322         PR inline-asm/28686
1323         * global.c (global_alloc): Add mising initialization of
1324         ELIMINABLE_REGSET.
1325
1326 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1327
1328         * alias.c (init_alias_analysis): Correct whitespace.
1329         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1330         partition_hot_cold_basic_blocks): Likewise.
1331         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1332         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1333         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1334         fold_builtin_snprintf_chk, fold_builtin_printf,
1335         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1336         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1337         * cfgcleanup.c (cleanup_cfg): Likewise.
1338         * cfgexpand.c (tree_expand_cfg): Likewise.
1339         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1340         * function.c (get_next_funcdef_no): Likewise.
1341         * gengtype.c (main): Likewise.
1342         * genmodes.c (main): Likewise.
1343         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1344         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1345         * ifcvt.c (noce_emit_move_insn): Likewise.
1346         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1347         Likewise.
1348         * stor-layout.c (get_best_mode): Likewise.
1349         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1350         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1351         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1352         perform_var_substitution, solve_graph): Likewise.
1353         * tree-vrp.c (vrp_finalize): Likewise.
1354
1355 2007-02-01  Ian Lance Taylor  <iant@google.com>
1356
1357         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1358         high part of a paradoxical subreg, return a constant zero.
1359
1360 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1361
1362         * toplev.c (lang_dependent_init): Call init_set_costs.
1363         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1364
1365 2007-02-01  Richard Guenther  <rguenther@suse.de>
1366
1367         PR middle-end/30656
1368         * fold-const.c (fold_negate_expr): Allow negating a
1369         constant if overflow does not change.
1370
1371 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1372
1373         * doc/c-tree.texi (Expression trees): Improve markup.
1374         * doc/tm.texi (Register Classes, Addressing Modes)
1375         (Floating Point): Fix spacing after abbreviations.  Fix some
1376         typos.
1377
1378 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1379
1380         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1381         * doc/contrib.texi: Likewise.
1382         * doc/install.texi: Likewise.
1383
1384 2007-01-31  Richard Henderson  <rth@redhat.com>
1385             Ian Lance Taylor  <iant@google.com>
1386
1387         * lower-subreg.c: New file.
1388         * rtl.def (CONCATN): Define.
1389         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1390         pass_lower_subreg2.
1391         * emit-rtl.c (update_reg_offset): New static function, broken out
1392         of gen_rtx_REG_offset.
1393         (gen_rtx_REG_offset): Call update_reg_offset.
1394         (gen_reg_rtx_offset): New function.
1395         * regclass.c: Revert patch of 2006-03-05, restoring
1396         reg_scan_update.
1397         (clear_reg_info_regno): New function.
1398         * dwarf2out.c (concatn_loc_descriptor): New static function.
1399         (loc_descriptor): Handle CONCATN.
1400         * common.opt (fsplit_wide_types): New option.
1401         * opts.c (decode_options): Set flag_split_wide_types when
1402         optimizing.
1403         * timevar.def (TV_LOWER_SUBREG): Define.
1404         * rtl.h (gen_reg_rtx_offset): Declare.
1405         (reg_scan_update): Declare.
1406         * regs.h (clear_reg_info_regno): Declare.
1407         * tree-pass.h (pass_lower_subreg): Declare.
1408         (pass_lower_subreg2): Declare.
1409         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1410         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1411         -fsplit-wide-types.
1412         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1413         * Makefile.in (OBJS-common): Add lower-subreg.o.
1414         (lower-subreg.o): New target.
1415
1416 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1417
1418         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1419
1420 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1421
1422         PR target/19087
1423         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1424
1425 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1426
1427         PR middle-end/29335
1428         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1429
1430 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1431
1432         * cfgloop.h: Include vec-prim.h.
1433         (enum li_flags): Remove LI_ONLY_OLD.
1434         (loop_iterator): Changed.
1435         (fel_next, fel_init): Iterate over loop tree.
1436         (FOR_EACH_LOOP_BREAK): New macro.
1437         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1438         FOR_EACH_LOOP.
1439         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1440         * modulo-sched.c (sms_schedule): Ditto.
1441         * tree-vectorizer.c (vectorize_loops): Ditto.
1442         * doc/loop.texi: Update information on loop numbering and behavior of
1443         FOR_EACH_LOOP wrto new loops.
1444         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1445         add_to_evolution_1): Test nestedness of loops instead of comparing
1446         their numbers.
1447         * tree-chrec.c (chrec_fold_plus_poly_poly,
1448         chrec_fold_multiply_poly_poly, chrec_evaluate,
1449         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1450         reset_evolution_in_loop): Ditto.
1451         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1452
1453 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1454
1455         * c-common.c (warn_about_parentheses): Separate warning about
1456         un-parenthized sequence of comparison operators from the one
1457         which is supposed to warn about x <= y <= z.
1458
1459 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         * optabs.h (enum optab_index): Add new OTI_isinf.
1462         (isinf_optab): Define corresponding macro.
1463         * optabs.c (init_optabs): Initialize isinf_optab.
1464         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1465         patterns.
1466         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1467         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1468         using isinf_optab.
1469         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1470         expand_builtin_interclass_mathfn.
1471         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1472         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1473         (fxam<mode>2_i387): New insn pattern.
1474         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1475         built-in functions as x87 inline asm.
1476
1477 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1478
1479         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1480
1481 2007-01-30  Eric Christopher  <echristo@apple.com>
1482
1483         * config.gcc: Add geode.
1484
1485 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1486
1487         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1488         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1489         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1490         value-prof.c: Fix comment typos.
1491
1492 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1493
1494         PR c++/24745
1495         * doc/invoke.texi (Wpointer-arith): Document warning.
1496
1497 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1498
1499         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1500         the list of discrepancies from the draft TR.
1501
1502 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1503
1504         PR c++/30601
1505         * doc/invoke.texi (-Wreturn-type): Update description to
1506         match new behavior.
1507
1508 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1509
1510         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1511
1512 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1513
1514         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1515         to handle optabs that operate on floating point input argument and
1516         output to integer output.
1517         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1518         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1519         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1520         expand_builtin_interclass_mathfn ().
1521         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1522         (ilogbsi2): Remove.
1523         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1524         ilogbl built-in functions as x87 intrinsics.
1525
1526 2007-01-30  Richard Guenther  <rguenther@suse.de>
1527
1528         PR middle-end/27657
1529         * dwarf2out.c (reference_to_unused): Query varpool if the
1530         variable was output.
1531
1532 2007-01-30  Richard Guenther  <rguenther@suse.de>
1533
1534         PR middle-end/30313
1535         * passes.c (execute_one_pass): Reset in_gimple_form to not
1536         confuse non-unit-at-a-time mode.
1537
1538 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1539             Richard Guenther  <rguenther@suse.de>
1540
1541         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1542         avoid undefined behaviour on overflow.  Use force_fit_type_double
1543         to construct the constant with the specified TREE_OVERFLOW.
1544
1545 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1546
1547         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1548         * config/dfp-bit.h: Ditto.
1549
1550 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1551
1552         * c-decl.c (pop_scope): Replace warnings with call to
1553         warn_for_unused_label.
1554         * c-common.h (warn_for_unused_label): Declare.
1555         * c-common.c (warn_for_unused_label): Define.
1556
1557 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1558
1559         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1560         function.
1561
1562 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1563
1564         * Makefile.in (USER_H): Remove decfloat.h.
1565         * ginclude/decfloat.h: Delete, moving contents to ...
1566         * ginclude/float.h: Add support for decimal floating point,
1567         guarded by __STDC_WANT_DEC_FP__.
1568
1569 2007-01-29  Mike Stump  <mrs@apple.com>
1570
1571         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1572         Analysis and Representation to resolve case insensitive conflict.
1573         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1574
1575 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1576
1577         * tree.h (struct tree_memory_tag): Add aliases member.
1578         (MTAG_ALIASES): New macro.
1579         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1580         (add_may_alias): Remove pointer-set. Update for may_aliases being
1581         a bitmap.
1582         (mark_aliases_call_clobbered): Update for may_aliases being a
1583         bitmap.
1584         (compute_tag_properties): Ditto.
1585         (create_partition_for): Ditto.
1586         (compute_memory_partitions): Ditto.
1587         (dump_may_aliases_for): Ditto.
1588         (is_aliased_with): Ditto.
1589         (add_may_alias_for_new_tag): Ditto.
1590         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1591         (compute_is_aliased): New function.
1592         (compute_may_aliases): Call compute_is_aliased).
1593         (init_alias_info): Initialize alias_bitmap_obstack.
1594         (union_alias_set_into): New function.
1595         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1596         (have_common_aliases_p): Rewrite to take two bitmaps and use
1597         intersection.
1598         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1599         Update for bitmaps.
1600         (finalize_ref_all_pointers): Update for add_may_alias changes.
1601         (new_type_alias): Ditto.
1602         * tree-flow-inline.h (may_aliases): Return a bitmap.
1603         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1604         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1605         may_aliases being a bitmap.
1606         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1607         may_aliases now returns a bitmap.
1608         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1609         being a bitmap.
1610         * tree-ssa-operands.c (add_virtual_operand): Update for
1611         may_aliases being a bitmap.
1612
1613 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1614
1615         PR tree-optimization/30630
1616         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1617         variable as changed.
1618
1619 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1620
1621         PR c++/28266
1622         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1623         expanded only once even if an error occurs.
1624
1625 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1626
1627         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1628         (__gcov_average_profiler): Likewise.
1629         (__gcov_ior_profiler): Likewise.
1630         (__gcov_merge_ior): Likewise.
1631
1632 2007-01-28  Jan Hubicka  <jh@suse.cz>
1633
1634         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1635         * value-prof.c (stringop_block_profile): Likewise.
1636
1637 2007-01-28  Jan Hubicka  <jh@suse.cz>
1638
1639         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1640         variant handling histograms; add wrapper.
1641         (clear_storage_via_libcall): Export.
1642         (emit_block_move_hints): Break out from ...; add histograms.
1643         (emit_block_move): ... this one.
1644         (clear_storage_hints): Break out from ...; add histograms.
1645         (clear_storage): ... this one.
1646         (set_storage_via_memset): Handle histogram.
1647         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1648         (clear_storage_hints, clear_storage_via_libcall): Declare.
1649         (set_storage_via_setmem): Update prototype.
1650         * doc/md.texi (movmem, setmem): Document new arguments.
1651
1652         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1653         new histograms.
1654         (stringop_block_profile): New global function.
1655         (tree_stringops_values_to_profile): Profile block size and alignment.
1656         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1657         HIST_TYPE_IOR.
1658         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1659         (stringop_block_profile): Declare.
1660         * builtins.c: Include value-prof.h.
1661         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1662         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1663         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1664         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1665         * profile.c (instrument_values): Add new counters.
1666         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1667         calls.
1668         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1669         (tree_init_edge_profiler): Build new profilers.
1670         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1671         (pass_tree_profile): Add dump.
1672         (tree_profile_hooks): Update.
1673         * Makefile.in (LIBGCOV): Add new constants.
1674         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1675         __gcov_ior_profiler): New.
1676         * i386.md (movmem/setmem expanders): Add new optional arguments.
1677
1678 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1679
1680         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1681
1682 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1683
1684         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1685         (tree_unswitch_single_loop): Pass eni_size_weights to
1686         tree_num_loop_insns.
1687         * tree-ssa-loop-manip.c: Include tree-inline.h.
1688         (can_unroll_loop_p): Pass eni_size_weights to
1689         tree_num_loop_insns.
1690         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1691         Pass eni_size_weights to estimate_num_insns.
1692         * tree.h (init_inline_once): Export.
1693         * toplev.c (backend_init): Call init_inline_once.
1694         * cgraphunit.c (cgraph_process_new_functions,
1695         cgraph_analyze_function): Pass eni_inlining_weights to
1696         estimate_num_insns.
1697         * ipa-inline.c (compute_inline_parameters): Ditto.
1698         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1699         to estimate_num_insns.
1700         (try_unroll_loop_completely): Pass eni_size_weights to
1701         tree_num_loop_insns.
1702         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1703         ot estimate_num_insns.
1704         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1705         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1706         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1707         eni_time_weights): New variables.
1708         (init_inline_once): Initialize them.
1709         (struct eni_data): Mew.
1710         (estimate_num_insns_1, estimate_num_insns): Use weights.
1711         * tree-inline.h (struct eni_weights_d): New.
1712         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1713         (estimate_num_insns): Declaration changed.
1714         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1715         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1716         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1717
1718 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1719
1720         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1721         relations in the conflict function is valid.
1722
1723 2007-01-27  Ian Lance Taylor  <iant@google.com>
1724
1725         * common.opt: Add fstrict-overflow.
1726         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1727         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1728         (TYPE_OVERFLOW_UNDEFINED): Define.
1729         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1730         Replace all uses.
1731         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1732         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1733         (fold_negate_expr): Likewise.
1734         (make_range): Likewise.
1735         (extract_muldiv_1): Likewise.
1736         (maybe_canonicalize_comparison): Likewise.
1737         (fold_comparison): Likewise.
1738         (fold_binary): Likewise.
1739         (tree_expr_nonnegative_p): Likewise.
1740         (tree_expr_nonzero_p): Likewise.
1741         * tree-vrp.c (compare_values): Likewise.
1742         (extract_range_from_binary_expr): Likewise.
1743         (extract_range_from_unary_expr): Likewise.
1744         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1745         Likewise.
1746         (nowrap_type_p): Likewise.
1747         * tree-scalar-evolution.c (simple_iv): Likewise.
1748         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1749         (build_range_check): Likewise.
1750         (extract_muldiv_1): Likewise.
1751         (fold_comparison): Likewise.
1752         * tree-vrp.c (vrp_int_const_binop): Likewise.
1753         (extract_range_from_unary_expr): Likewise.
1754         * convert.c (convert_to_integer): Likewise.
1755         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1756         (fold_comparison): Likewise.
1757         (fold_binary): Likewise.
1758         * optabs.c (optab_for_tree_code): Likewise.
1759         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1760         * simplify-rtx.c (simplify_const_relational_operation): Check
1761         flag_strict_overflow and flag_trapv.
1762         (simplify_const_relational_operation): Likewise.
1763         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1764         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1765         -fstrict-overflow.
1766
1767 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1768
1769         * tree.c (tree_fold_gcd): Delete.
1770         * tree.h (tree_fold_gcd): Remove prototype.
1771         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1772         test whether one constant integer is a multiple of another.  Instead
1773         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1774         * fold-const.c (multiple_of_p):  We've determined both TOP and
1775         BOTTOM are integer constants so we can call int_const_binop directly
1776         instead of the more generic const_binop.
1777
1778 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1779
1780         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1781         1*X check that the constant hasn't overflowed, to preserve the
1782         TREE_OVERFLOW bit.
1783         (round_up): Provide an efficient implementation when rouding-up an
1784         INTEGER_CST to a power-of-two.
1785
1786 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1787
1788         * doc/sourcebuild.texi: Add comma for clarity.
1789         * doc/extend.texi: Fix some typos.
1790         * doc/passes.texi: Likewise.
1791         * doc/cppinternals.texi: Likewise.
1792         * doc/c-tree.texi: Likewise.
1793         * doc/tree-ssa.texi: Likewise.
1794         * doc/install.texi: Likewise.
1795
1796 2007-01-27  Jan Hubicka  <jh@suse.cz>
1797
1798         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1799         (pass_sra): Do not require alias information.
1800         * passes.c (init_optimization_passes): Add SRA
1801
1802 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
1803
1804         * tracer.c (rest_of_handle_tracer): We already cleaned
1805         up the CFG in tracer() so don't do it here again.
1806         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1807         cleanup_cfg here, either.  And don't call renumber_insns.
1808
1809         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1810         and BB_HEAD are in the insn stream here.  Instead make sure
1811         that BB_INSN is valid on all insns.  Also, do check here that
1812         there are no pending branch predictions...
1813         (rtl_verify_flow_info): ...instead of doing it here.  Checks
1814         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1815         here.
1816
1817 2007-01-26  Roger Sayle  <roger@eyesopen.com>
1818
1819         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1820         function to simplify/factorize operand order canonicalization.
1821         (ix86_fixup_binary_operands): Reorganize using the above function.
1822         (ix86_binary_operator_ok): Likewise.
1823
1824 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
1825
1826         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1827         file scope from optimize_attrs.
1828         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1829         up search.
1830         (optimize_attrs): Clear insn_code_values after freeing it.
1831
1832 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1833
1834         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1835         a parts.base assignment.
1836
1837 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1838
1839         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1840         (compute_subscript_distance, initialize_data_dependence_relation,
1841         finalize_ddr_dependent, analyze_ziv_subscript,
1842         analyze_siv_subscript_cst_affine,
1843         compute_overlap_steps_for_affine_univar,
1844         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1845         analyze_siv_subscript, analyze_miv_subscript,
1846         analyze_overlapping_iterations, subscript_dependence_tester_1,
1847         compute_self_dependence, free_dependence_relation): Work
1848         with affine_fn instead of chrecs.
1849         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1850         common_affine_function, affine_function_base,
1851         affine_function_constant_p, affine_fn_op, affine_fn_plus,
1852         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1853         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1854         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1855         (all_chrecs_equal_p): Removed.
1856         * tree-data-ref.h (affine_fn, conflict_function): New types.
1857         (struct subscript): Change type of conflicting_iterations_in_a
1858         and conflicting_iterations_in_b.
1859
1860 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
1861
1862         PR other/30182
1863         * config/pa/pa.h (TARGET_HPUX_11): New.
1864         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1865         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1866
1867 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
1868         Richard Guenther  <rguenther@suse.de>
1869
1870         * tree-ssa-structalias.c (solve_graph): Handle case
1871         we merged the variable to another.
1872
1873 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1874
1875         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1876         functions.
1877
1878         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1879         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1880
1881 2007-01-25  DJ Delorie  <dj@redhat.com>
1882
1883         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1884         allow changes to modes which don't fit in those registers.
1885
1886         * reload1.c (choose_reload_regs): Check for invalid subregs before
1887         computing their locations, not after.
1888
1889 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
1890
1891         PR 25127
1892         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1893         save Altivec registers in an eh_return function.
1894         (compute_vrsave_mask): Likewise.
1895         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1896         for saving Altivec registers.
1897         (rs6000_emit_prologue): Don't allocate stack twice in
1898         eh_return function.  Correct expected value of altivec_save_offset
1899         when using save_world.  Describe save of R0 to stack when using
1900         save_world.  Describe stack pointer adjustment when using
1901         save_world.  Remove duplicated eh_return parameter register saving.
1902         Update sp_offset variable after save_world.
1903         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1904         darwin-world.asm.
1905         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1906         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1907         implies Altivec.
1908
1909 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1910
1911         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1912
1913 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1914
1915         PR other/30182
1916         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1917         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
1918
1919 2007-01-25  Richard Guenther  <rguenther@suse.de>
1920
1921         * doc/invoke.texi (-Wcoverage-mismatch): Document.
1922         * common.opt (-Wcoverage-mismatch): New warning option.
1923         * coverage.c (get_coverage_counts): Ignore coverage mismatch
1924         if -Wcoverage-mismatch is given.
1925
1926 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
1927
1928         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1929         (ipcp_driver): Change to static definition.
1930         Add dumping of the ifunctions.
1931         (constant_val_insert): Remove unused parameter. Support for SSA.
1932         (ipcp_propagate_const): Support for SSA.
1933         (ipcp_profile_bb_print): Print only analyzed nodes.
1934         (ipcp_replace_map_create): Remove support for Fortran constant
1935         for now.
1936         * ipa-prop.c (ipa_method_modify_stmt,
1937         ipa_callsite_compute_param): Support for SSA.
1938         * ipa-prop.h (ipcp_driver): Remove declaration.
1939         (IS_VALID_TREE_MAP_INDEX): Add define.
1940
1941 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
1942
1943         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
1944
1945 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1946
1947         PR middle-end/30447
1948         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
1949         constant argument to cabs and do it without checking for
1950         -funsafe-math-optimizations.
1951
1952 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
1953
1954         * c-common.h (RID_FIRST_CXX0X): New.
1955         (RID_LAST_CXX0X): New.
1956         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
1957         by -Wall.
1958         * c.opt (Wc++0x-compat): New.
1959         * doc/invoke.texi (-Wc++0x-compat): Document.
1960
1961 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1962
1963         * builtins.c (fold_builtin_carg): New.
1964         (fold_builtin_1): Use it.
1965
1966 2007-01-24  Jan Hubicka  <jh@suse.cz>
1967
1968         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
1969
1970         * ipa-inline.c (initial_insns, max_insns): Delete.
1971         (compute_max_insns): New function.
1972         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
1973         of insns as base for code growth.
1974         (cgraph_decide_inlining): Make initial_insns local; do not compute
1975         max_insns.
1976         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
1977         * doc/invoke.texi (inline-unit-growth): Update docs.
1978
1979 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
1980
1981         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
1982         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
1983         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
1984         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
1985         for CPUs that have PTA_CX16 set.
1986
1987         PR middle-end/27416
1988         * gimplify.c (omp_check_private): New function.
1989         (gimplify_scan_omp_clauses): Use it for
1990         firstprivate/lastprivate/reduction.
1991
1992         PR middle-end/30494
1993         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1994         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1995
1996         PR middle-end/30421
1997         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1998         If lower_lastprivate_clauses emits some statements, append them
1999         to dlist rather than body_p and to body_p append an initializer.
2000         (lower_omp_for): Adjust caller.
2001
2002 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
2003
2004         * target.h (globalize_decl_name): New.
2005         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2006         * output.h (default_globalize_decl_name): New.
2007         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2008         globalize_label.
2009         (globalize_decl): Ditto.
2010         (default_globalize_decl_name): New.
2011         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2012         (ia64_handle_version_id_attribute): New.
2013         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2014         (ia64_asm_output_external): Use globalize_decl_name instead
2015         of globalize_label.
2016         * doc/extend.texi (version_id): New pragma.
2017         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2018
2019 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2020
2021         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2022         _uleb128_t and _Unwind_SWord with _sleb128_t.
2023         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2024         uw_frame_state_for, uw_update_context_1): Likewise.
2025         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2026         * unwind-pe.h (read_uleb128, read_sleb128,
2027         read_encoded_value_with_base): Likewise.
2028         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2029
2030 2007-01-24  Richard Guenther  <rguenther@suse.de>
2031
2032         * builtins.c (expand_builtin_cexpi): Get the fndecl
2033         for cexp in the correct way.
2034
2035 2007-01-24  Jan Hubicka  <jh@suse.cz>
2036
2037         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2038
2039 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2040
2041         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2042         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2043         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2044         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2045         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2046         __SIZEOF_PTRDIFF_T__.
2047         * doc/cpp.texi: Documentation for the new builtin macros added.
2048
2049 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2052         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2053         instead of operands[2] to avoid access past the end of array.
2054
2055 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
2056
2057         * reload1.c (emit_reload_insns): Pass the reload register
2058         for a non-spill output reload through forget_old_reloads_1.
2059
2060 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
2061
2062         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2063         _SOFT_DOUBLE if doubles use software floating-point.
2064         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2065         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2066         * config/rs6000/darwin-ldouble.c: Also compile functions for
2067         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
2068         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2069         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2070         commented-out long double override.
2071         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2072         * config/rs6000/eabispe.h: Likewise.
2073         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2074         long double for non-SPE.
2075         (rs6000_handle_option): Likewise.
2076         (invalid_e500_subreg): Disallow more subregs involding DImode,
2077         DFmode, TImode or TFmode.
2078         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2079         E500 double.
2080         (legitimate_lo_sum_address_p): Also check for TFmode for E500
2081         double.
2082         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2083         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2084         double.
2085         (rs6000_legitimate_address): Also check for TFmode for E500
2086         double.
2087         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2088         (spe_build_register_parallel): Handle TFmode and TCmode.
2089         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2090         double.
2091         (function_arg): Handle TFmode and TCmode for E500 double.
2092         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2093         in general.
2094         (print_operand): Handle TFmode and TImode for %y.
2095         (rs6000_generate_compare): Handle TFmode comparisons for E500
2096         double.
2097         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2098         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2099         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2100         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2101         TFmode for E500 double.
2102         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2103         (floatsidf2): Enable for E500 double.
2104         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2105         (extenddftf2): Change to extenddftf2_fprs.
2106         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2107         depending on TARGET_E500_DOUBLE.
2108         (extendsftf2): Enable for E500 double.
2109         (trunctfdf2): Enable for E500 double.
2110         (trunctfsf2): Change to trunctfsf2_fprs.
2111         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2112         depending on TARGET_E500_DOUBLE.
2113         (floatsitf2): Enable for E500 double.
2114         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2115         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2116         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2117         (negtf2): Change to negtf2_internal.
2118         (negtf2): New expander.
2119         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2120         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2121         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2122         (movdi_internal32): Use rs6000_nonimmediate_operand.
2123         (unnamed splitter): Likewise.
2124         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2125         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2126         (SPE64TF, DITI): New mode macros.
2127         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2128         modes.
2129         (frob_tf_ti): New.
2130         (frob_<mode>_di_2): New.
2131         (frob_tf_di_8_2): New.
2132         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2133         (frob_ti_tf): New.
2134         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2135         more modes.
2136         (frob_ti_<mode>_8_2): New.
2137         (frob_ti_tf_2): New.
2138         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2139         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2140         TFmode.
2141         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2142         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2143         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2144         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2145         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2146         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2147         tsttflt_gp): New.
2148
2149 2007-01-23  Ian Lance Taylor  <iant@google.com>
2150
2151         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2152         insn-*.o first.
2153         (OBJS-archive): Reformat, alphabetize.
2154         (OBJS): Change out_object_file to OBJS-md.
2155
2156 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2157
2158         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2159         JUMP_P and CALL_P predicates where applicable.
2160         * config/i386/i386.c: Ditto.
2161         * config/i386/i386.md: Ditto.
2162         * config/i386/mmx.md: Ditto.
2163         * config/i386/predicates.md: Ditto.
2164
2165 2007-01-22  Andreas Schwab  <schwab@suse.de>
2166
2167         * config/m68k/m68k.h: Fix comment.
2168
2169 2007-01-22  Jan Hubicka  <jh@suse.cz>
2170
2171         * passes.c (init_optimization_passes): Do not rerun
2172         pass_early_warn_uninitialized.
2173
2174 2007-01-22  Richard Guenther  <rguenther@suse.de>
2175
2176         PR tree-optimization/30038
2177         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2178         function.
2179         (execute_cse_sincos_1): Likewise.
2180         (execute_cse_sincos): Likewise.
2181         (gate_cse_sincos): Likewise.
2182         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2183         the cexpi() canonicalization of sincos().
2184         * tree-pass.h (pass_cse_sincos): Declare.
2185         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2186
2187 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2188
2189         PR rtl-optimization/29329
2190         * combine.c (replaced_rhs_insn): Rename to i2mod.
2191         (replaced_rhs_value): Rename to i2mod_new_rhs.
2192         (i2mod_old_rhs): New global variable.
2193         (combine_instructions): Adjust for above change.  Save a copy of
2194         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2195         note are substituted in the second instruction.
2196         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2197         ditch the note if it pertains to the second eliminated register
2198         and this register is mentioned in i2mod_old_rhs.
2199
2200         Revert:
2201         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2202
2203         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2204         the insn to which the note was originally attached.
2205
2206 2007-01-21  Jan Hubicka  <jh@suse.cz>
2207
2208         * ipa-inline.c (inlining_mode): Comment, move up.
2209         (cgraph_decide_inlining_incrementally): Do not perform inlining
2210         itself; fix handling of flattening of self recursive functions.
2211         (cgraph_find_cycles): Remove.
2212         (cgraph_flatten_node): Remove.
2213         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2214         (try_inline): New function.
2215         (cgraph_early_inlining): Update call of
2216         cgraph_decide_inlining_incrementally.  Apply inlining here.
2217         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2218
2219 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2220
2221         PR bootstrap/30511
2222         * tree-vrp.c (check_array_bounds): do not warn
2223         about ADDR_EXPR's of ARRAY_REF's which are immediately
2224         used in binary expressions.
2225
2226 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2227
2228         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2229         read_write_dep and macros for its access.
2230         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2231         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2232         argument, call vect_check_interleaving for every independent pair of
2233         data-refs. Mark loads that access the same memory location as a store
2234         in the loop.
2235         (vect_check_dependences): Remove.
2236         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2237         call, fix the call to vect_analyze_data_ref_dependence.
2238         (vect_analyze_data_ref_access): For statements that access the same
2239         data-ref, check that they are not stores; for loads, check that there
2240         is no store that access the same location.
2241
2242 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2243             Joseph Myers  <joseph@codesourcery.com>
2244
2245         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2246         (-fdump-rtl-stack): Likewise.
2247         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2248         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2249         (-mpt-fixed): Use @minus{} for minus sign.
2250         (Using Precompiled Headers): Fix under/overfull hbox.
2251
2252 2007-01-20  Jan Hubicka  <jh@suse.cz>
2253
2254         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2255         place within annotation.
2256
2257 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2258
2259         * pa.c (output_move_double): Change array size of xoperands to 4.
2260
2261 2007-01-20  Jan Hubicka  <jh@suse.cz>
2262
2263         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2264         as temporary.
2265
2266 2007-01-19  Ian Lance Taylor  <iant@google.com>
2267
2268         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2269         constant to unsigned HOST_WIDE_INT before negating.
2270
2271 2007-01-19  Ian Lance Taylor  <iant@google.com>
2272
2273         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2274         to unsigned.
2275         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2276         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2277         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2278         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2279         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2280         (realloc_vdef, realloc_vuse): Change second parameter to
2281         unsigned.
2282         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2283         fields to unsigned.
2284         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2285         unsigned. Change x and lim locals to unsigned.
2286         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2287         unsigned.
2288         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2289         (copy_virtual_operands): Change i and n locals to unsigned.
2290
2291 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2292
2293         PR middle-end/29335
2294         * builtins.c (fold_builtin_1): Handle builtin fdim.
2295
2296 2007-01-20  Jan Hubicka  <jh@suse.cz>
2297
2298         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2299         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2300         init_alias_heapvars.
2301         (init_alias_heapvars): Initialize only when not already initialized.
2302         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2303
2304 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2305
2306         * common.opt (fsigned-zeros): New command line option.
2307         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2308         of flag_unsafe_math_optimizations.
2309         * opts.c (set_fast_math_flags): The -ffast-math command line option
2310         implies -fno-signed-zeros.
2311         (fast_math_flags_set_p): Likewise.
2312
2313         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2314         the documentation of -ffast-math appropriately.  Wrap long lines.
2315
2316 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2317
2318         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2319         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2320
2321 2007-01-19  Tomas Bily  <tbily@suse.cz>
2322
2323         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2324         * tree-profile.c:
2325         (tree_init_ic_make_global_vars): New function
2326         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2327         (tree_gen_ic_profiler): New function
2328         (tree_gen_ic_func_profiler): New function
2329         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2330         (tree_profile_hooks): Added hook for indirec/virtual calls
2331         * value-prof.c (tree_find_values_to_profile): New case for
2332         indirect calls
2333         (tree_values_to_profile): Call for determining indirect/virtual
2334         counters
2335         (tree_indirect_call_to_profile): New function
2336         (tree_ic_transform): New function
2337         (tree_ic): New function
2338         (find_func_by_pid): New function
2339         (init_pid_map): New function
2340         (tree_value_profile_transformations): Added check for
2341         indirect/virtual call transformation
2342         * value-prof.h (enum hist_type): New counter type for
2343         indirect/virtual calls
2344         (profile_hooks): Added new hook for profiling indirect/virtual
2345         calls
2346         * profile.c (instrument_values): New case for indirect/virtual
2347         call added
2348         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2349         (GCOV_COUNTER_V_INDIR): New counter type
2350         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2351         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2352         call added
2353         * cgraph.c: Definition of cgraph_max_pid
2354         (cgraph_create_node): Default init of pid attribute
2355         * cgraph.h: Declaration of cgraph_max_pid
2356         (struct cgraph_node): Added pid attribute
2357         * libgcov.c (__gcov_indirect_call_profiler): New function
2358         (__gcov_one_value_profiler_body): New function
2359         (__gcov_one_value_profiler): Body was moved to
2360         __gcov_one_value_profiler_body and calls it
2361
2362 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2363
2364         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2365         * gengtype.c (write_types_data, write_func_for_structure,
2366         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2367         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2368         (walk_type, write_func_for_structure): Generate the mark_hook if
2369         needed.
2370
2371 2007-01-19  Jan Hubicka  <jh@suse.cz>
2372
2373         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2374         'early' argument take inlining mode argument specifying whether to
2375         inline for size/speeed or all functions; add support for flattening;
2376         improve dumpting.
2377         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2378
2379 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2380
2381         PR c++/17947
2382         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2383         the name of the declared identifier.
2384
2385 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2386
2387         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2388         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2389         duplicate evaluation.
2390
2391 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2392
2393         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2394         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2395         to XFMode, use acosxf2 and truncate result to requested mode.
2396         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2397         (asin<mode>2): Similarly, with asin expanders.
2398         (*fscalexf4_i387): Rename from *fscalexf4.
2399         (expNcorexf3): New expander.
2400         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2401         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2402         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2403         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2404         patterns for SSE math.
2405         (exp10<mode>2): Similarly, with exp10 expanders.
2406         (exp2<mode>2): Similarly, with exp2 expanders.
2407         (expm1<mode>2): Similarly, with expm1 expanders.
2408         (ldexp<mode>3): Similarly, with ldexp expanders.
2409         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2410         Use gen_truncxf<mode>2_i387_noop to truncate result.
2411
2412 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2413
2414         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2415         for ColdFire targets.
2416
2417 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2418             Richard Sandiford  <richard@codesourcery.com>
2419
2420         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2421         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2422         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2423         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2424         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2425         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2426
2427 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2428
2429         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2430         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2431         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2432         (*adddi_dilshr32_cf): New pattern.
2433         (adddi3, subdi3): Remove first alternatives.
2434
2435 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2436
2437         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2438         implemented using move.l, do not use its cc result for floating-point
2439         comparisons.
2440
2441 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2442
2443         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2444         from accepting 's' constraints if flag_pic.
2445
2446 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2447
2448         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2449         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2450         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2451         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2452
2453 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2454
2455         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2456         ColdFire alternatives.
2457         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2458         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2459         architectures that support ff1 instruction.
2460
2461 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2462             Julian Brown  <julian@codesourcery.com>
2463
2464         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2465         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2466         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2467         Add commentary.
2468
2469 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2470
2471         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2472         and return a bool.
2473         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2474         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2475         HOST_WIDE_INT instead of an rtx.
2476         (m68k_rtx_costs): Update call accordingly.
2477         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2478         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2479         Return a bool.
2480         (output_move_simode_const): Update calls after above changes.
2481         Rework to use automatic variables and predicates like MEM_P.
2482         * config/m68k/m68k.md (pushexthisi_const): Update call to
2483         valid_mov3q_const.
2484
2485 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2486
2487         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2488         in dump_flags test.
2489
2490 2007-01-19  Richard Guenther  <rguenther@suse.de>
2491
2492         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2493         via cexp in case sincos is not available.
2494
2495 2007-01-19  Richard Guenther  <rguenther@suse.de>
2496
2497         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2498         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2499         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2500         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2501         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2502         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2503         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2504         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2505
2506 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2507
2508         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2509         New insn patterns.
2510         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2511         (atan2xf3): Directly generate RTL pattern.
2512         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2513         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2514         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2515         disable patterns for SSE math.
2516         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2517         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2518         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2519         disable patterns for SSE math.
2520
2521 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2522
2523         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2524
2525 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2526
2527         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2528         VIEW_CONVERT_EXPR to the same type as it's operand.
2529
2530 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2531
2532         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2533         configured for long double 128.
2534
2535 2007-01-18  Mike Stump  <mrs@apple.com>
2536
2537         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2538         error.
2539
2540 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2541
2542         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2543         type correct.
2544
2545 2007-01-18  Jan Hubicka  <jh@suse.cz>
2546
2547         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2548         greater than NUM_VOP_FREE_BUCKETS.
2549
2550 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2551
2552         * tree-ssa-structalias.c: Update comments.
2553         (ptabitmap_obstack): Removed.
2554         (pta_obstack): New.
2555         (oldpta_obstack): Ditto.
2556         (stats): Add a few members.
2557         (struct variable_info): Remove node, complex, address_taken, and
2558         indirect_target members. Add oldsolution member.
2559         (new_var_info): Do not initialize removed members.
2560         (constraint_expr_type): Remove INCLUDES.
2561         (constraint_graph): Add size, implicit_preds, rep,
2562         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2563         (FIRST_REF_NODE): New macro.
2564         (LAST_REF_NODE): Ditto.
2565         (FIRST_ADDR_NODE): Ditto.
2566         (find): New function.
2567         (unite): Ditto.
2568         (dump_constraint): Do not handle INCLUDES.
2569         (insert_into_complex): Do not insert duplicate constraints.
2570         (condense_varmap_nodes): Renamed and rewritten into ...
2571         (merge_node_constraints): This. Also fix bug in handling of
2572         offseted copy constraints.
2573         (clear_edges_for_node): No longer need to deal with preds at all,
2574         or removing associated preds/succs.
2575         (merge_graph_nodes): Deal with indirect_cycles.
2576         Don't deal with predecessors.
2577         (add_implicit_graph_edge): New function.
2578         (add_pred_graph_edge): Ditto.
2579         (add_graph_edge): Don't deal with predecessors.
2580         (build_constraint_graph): Removed.
2581         (build_pred_graph): New function.
2582         (build_succ_graph): Ditto.
2583         (struct scc_info): Removed in_component. Added roots, dfs, and
2584         node_mapping. Remove visited_index, unification_queue.
2585         (scc_visit): Deal with union-find we do now.
2586         Deal with cycles with REF nodes.
2587         (collapse_nodes): Renamed and rewritten to ...
2588         (unify_nodes): This.
2589         (process_unification_queue): Removed.
2590         (topo_visit): Cleanup
2591         (do_da_constraint): Use find.
2592         (do_sd_constraint): Ditto.
2593         (do_ds_constraint): Ditto.
2594         (do_complex_constraint): Ditto.
2595         (init_scc_info): Update for removed and added members.
2596         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2597         (find_indirect_cycles): This.
2598         (equivalence_class): New variable.
2599         (label_visit): New function.
2600         (perform_variable_substitution): Rewritten.
2601         (free_var_substitution_info): New function.
2602         (find_equivalent_node): Ditto.
2603         (move_complex_constraints): Ditto.
2604         (eliminate_indirect_cycles): Ditto.
2605         (solve_graph): Only propagate changed bits.
2606         Use indirect cycle elimination.
2607         Use find.
2608         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2609         (tree_id_eq): Renamed to ...
2610         (tree_vi_eq): This. Update for member change
2611         (insert_id_for_tree): Renamed and rewritten to ...
2612         (insert_vi_for_tree): This.
2613         (lookup_id_for_tree): Renamed and rewritten to ...
2614         (lookup_vi_for_tree): This.
2615         (get_id_for_tree): Renamed and rewritten to ...
2616         (get_vi_for_tree): Ditto.
2617         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2618         (process_constraint): Don't handle INCLUDES.
2619         Remove special ADDRESSOF case.
2620         (find_func_aliases): Rewrite to use vi functions instead of id
2621         ones.
2622         (create_function_info_for): Ditto.
2623         (create_variable_info_for): Ditto.
2624         (intra_create_variable_infos): Ditto.
2625         (merge_smts_into): Ditto.
2626         (find_what_p_points_to): Ditto.
2627         (init_base_vars): Ditto.
2628         (init_alias_vars): Ditto.
2629         (remove_preds_and_fake_succs): New function.
2630         (dump_sa_points_to_info): Dump new stats.
2631         (dump_solution_for_var): Use find.
2632         (set_used_smts): Fix formatting.
2633         (compute_points_to_sets): Updated for new functions.
2634         (ipa_pta_execute): Ditto.
2635
2636 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2637             Richard Sandiford  <richard@codesourcery.com>
2638
2639         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2640         parallels.
2641         * calls.c (expand_call): If the return value is a PARALLEL,
2642         extract its first member.
2643         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2644         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2645         use FUNCTION_EXTRA_EPILOGUE.
2646         (m68k_function_value): Return a PARALLEL if the return value
2647         is of a pointer type.
2648         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2649         (FUNCTION_EXTRA_EPILOGUE): Remove.
2650         * config/m68k/m68k.md (D0_REG): New constant.
2651
2652 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2653
2654         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2655         output a NOP for empty epilogues.
2656
2657 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2658
2659         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2660         before function.  Extend register save check to include all
2661         registers, not just integer ones.
2662
2663 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2664
2665         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2666         (m68k_use_return_insn): ...this.
2667         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2668         * config/m68k/m68k.c (use_return_insn): Rename to...
2669         (m68k_use_return_insn): ...this.
2670         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2671         of USE_RETURN_INSN.
2672
2673 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2674
2675         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2676         nearest even, fix denormal rounding overflow.
2677
2678 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2679
2680         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2681         f%$smove and f%$move.
2682         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2683         (extendsfdf2_cf): Use fdmove instead of f%&move.
2684         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2685         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2686
2687 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2688
2689         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2690         GPR<-GPR moves.
2691
2692 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2693
2694         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2695         (coldfire_single_format): Declare.
2696         (coldfire_double_format): Likewise.
2697         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2698         of qnan_msb_set to determine the lower bits of a canonical
2699         NaN significand.
2700         (encode_ieee_double): Likewise.
2701         (encode_ieee_quad): Likewise.
2702         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2703         (mips_single_format): Likewise.
2704         (ieee_double_format): Likewise.
2705         (mips_double_format): Likewise.
2706         (ieee_extended_motorola_format): Likewise.
2707         (ieee_extended_intel_96_format): Likewise.
2708         (ieee_extended_intel_128_format): Likewise.
2709         (ieee_extended_intel_96_round_53_format): Likewise.
2710         (ibm_extended_format): Likewise.
2711         (mips_extended_format): Likewise.
2712         (ieee_quad_format): Likewise.
2713         (mips_quad_format): Likewise.
2714         (vax_f_format): Likewise.
2715         (vax_d_format): Likewise.
2716         (vax_g_format): Likewise.
2717         (i370_single_format): Likewise.
2718         (i370_double_format): Likewise.
2719         (decimal_single_format): Likewise.
2720         (decimal_double_format): Likewise.
2721         (decimal_quad_format): Likewise.
2722         (c4x_single_format): Likewise.
2723         (c4x_extended_format): Likewise.
2724         (real_internal_format): Likewise.
2725         (coldfire_single_format): New real_format.
2726         (coldfire_double_format): Likewise.
2727         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2728         canonical_nan_lsbs_set.
2729         (pdp11_d_format): Likewise.
2730         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2731         if TARGET_COLDFIRE_CPU.
2732
2733 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2734
2735         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2736         (output_call, m68k_legitimize_call_address): Declare.
2737         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2738         parenthesees.  Add support for a 'W' constraint.
2739         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2740         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2741         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2742         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2743         variables.
2744         (override_options): Initialize them.  Do not set flag_no_function_cse
2745         for TARGET_ID_SHARED_LIBRARY.
2746         (m68k_output_pic_call): Delete.
2747         (m68k_legitimize_call_address): New function.
2748         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2749         (output_call): New function.
2750         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2751         target address from the GOT if symbolic jumps are not allowed.
2752         * config/m68k/m68k.md (call, general_operand): Do not set
2753         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
2754         Merge separate flag_pic and !flag_pic define_insns into...
2755         (*call, *call_value): ...these new patterns.  Match the address
2756         rather than the containing MEM and require it to be a call_operand.
2757         Use output_call to generate the asm template.
2758         * config/m68k/predicates.md (const_call_operand): New predicate.
2759         (call_operand): Likewise.
2760
2761 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2762
2763         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2764         (STACK_GROWS_DOWNWARD): Define to 1.
2765         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2766         comments, emphasizing that these values are only defaults.
2767         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2768         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2769
2770 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2771
2772         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2773
2774 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2775             Richard Sandiford  <richard@codesourcery.com>
2776
2777         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2778         (FP_REGNO_P): New macros.
2779         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2780         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2781         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2782         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2783
2784 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2785
2786         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2787         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2788         to $tmake_file.
2789         * config/m68k/t-floatlib: New file, extracting common code from...
2790         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2791         * config/m68k/t-uclinux: Here.
2792         * config/m68k/fpgnulib.c: Do not compile extendeed precision
2793         routines on ColdFire targets.
2794
2795 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2796
2797         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2798         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2799         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2800         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2801         explicitly set MOTOROLA to 1.
2802         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2803
2804 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2805             Nathan Sidwell  <nathan@codesourcery.com>
2806
2807         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2808         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2809         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2810         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2811         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2812         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2813         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2814         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2815         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2816         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2817         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2818         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2819         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2820         (DBX_REGISTER_NUMBER): Delete.
2821         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2822         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2823         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2824
2825 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2826
2827         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2828         * config/flat.h: New file.
2829         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2830         OBJECT_FORMAT_FLAT.
2831         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2832         indirect references for -msep-data or -mid-shared-library.
2833         Do not use PC-relative code addresses either.
2834         * config/m68k/m68k.c (override_options): Restrict -fPIC error
2835         to -mpcrel.
2836         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
2837         for shared libraries and crt1.o for executables.  Use crti.o and
2838         crtbegin.o.
2839         (ENDFILE_SPEC): Use crtend.o and crtn.o.
2840         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2841         Do not add -elf2flt or -shared-lib-id options here.
2842         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
2843         Pass -shared-lib-id if -mid-shared-library, taking the library
2844         identifier from -mshared-library-id if given, otherwise
2845         defaulting to 0.
2846         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2847         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2848         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2849         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2850         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2851         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2852         and crtend.o.
2853         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2854         jump sequence for ISA A and ISA A+.
2855         (PICJUMP): Likewise.
2856
2857 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2858
2859         * config.gcc (m68k-*-uclinux*): Base the port on the common
2860         and m68k GNU/Linux files rather than on the generic ELF ones.
2861         * config/m68k/uclinux.h (TARGET_VERSION): Override.
2862         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2863
2864 2007-01-18  Julian Brown  <julian@codesourcery.com>
2865             Richard Sandiford  <richard@codesourcery.com>
2866
2867         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2868         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2869         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2870         before redefining.
2871         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2872         80 unconditionally.
2873         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2874
2875 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2876
2877         * doc/install.texi: Document m68k-uclinuxoldabi.
2878         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2879         * config/m68k/uclinux-oldabi.h: New file, copied from
2880         config/m68k/uclinux.h.
2881
2882 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
2883
2884         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2885         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2886         (m32r_compute_frame_size): Use unsigned for regno.
2887         (m32r_reload_lr): Use gen_frame_mem.
2888         (pop): New.
2889         (m32r_output_function_epilogue): Don't output the function epilogue
2890         textually here.
2891         (m32r_expand_epilogue): New.
2892         (direct_return): Return false if the function has the interrupt
2893         attribute.
2894         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2895         * config/m32r/m32r.md (epilogue): New expander.
2896         (return_lr, return_rte): New insns.
2897         (return): Make it expander.
2898         (return_normal): New expander.
2899
2900 2007-01-18  Josh Conner  <jconner@apple.com>
2901
2902         PR target/30485
2903         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2904         support for UNLE, UNLT, UNGE, and UNGT.
2905
2906 2007-01-18  Jan Hubicka  <jh@suse.cz>
2907
2908         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2909         * tree-tailcall (add_virtual_phis): Likewise.
2910         (optimize_tail_call): Return TODOs.
2911         (execute_tail_calls): Return TODOs.
2912         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2913         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2914         changed.
2915         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2916         Cleanup cfg using TODO.
2917         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2918         * passes.c (execute_function_todo): When cleanup did something, remove
2919         unused locals.
2920         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2921         (make_edges): Don't cleanup_cfg.
2922
2923 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
2924
2925         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2926         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2927         operate on the top of stack.
2928         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2929         register handling of instructions that output to the second
2930         stack slot.
2931         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2932         (move_for_stack_reg): Special-case check for dead destination
2933         stack slot for constant load of 1.0 inside UNSPEC_TAN.
2934
2935         * config/i386/i386.md (UNSPEC_TAN): New constant.
2936         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2937         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2938         to correctly model move of constant 1.0 to top stack slot.
2939         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2940         (unnamed peephole2 pattern): Remove corresponding peephole2
2941         pattern that optimizes tan insn and loading of constant 1.0.
2942         (tanxf2): Use fptanxf4_i387.
2943         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2944         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
2945         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2946         disable patterns for SSE math.
2947         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
2948         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
2949
2950 2007-01-18  Dirk Mueller  <dmueller@suse.de>
2951             Richard Guenther <rguenther@suse.de>
2952
2953         PR diagnostic/8268
2954         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
2955         * common.opt (Warray-bounds): Add new warning option.
2956         * c-opts.c (c_common_handle_option): Define -Warray-bounds
2957         if -Wall is given.
2958         * Makefile.in: make tree-vrp.o depend on toplev.h
2959         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
2960         is enabled.
2961         (check_array_refs, check_array_bounds, check_array_ref): New.
2962
2963 2007-01-18  Jan Hubicka  <jh@suse.cz>
2964
2965         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
2966         (execute_ssa_ccp): Return flags conditionally.
2967         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
2968         changed.
2969         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
2970
2971 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
2972
2973         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
2974         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
2975
2976         * Makefile.c (GTFILES): Add cfglayout.h.
2977         * gengtype.c (open_base_files): Likewise.
2978         * cfglayout.c (cfg_layout_function_footer,
2979         cfg_layout_function_header) Reindent to make gengtype happy.
2980         * cfglayout.h (cfg_layout_function_footer,
2981         cfg_layout_function_header): Add GTY(()) marker.
2982
2983         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
2984
2985 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2986
2987         * genautomata.c (write_automata): Include xstrerror output in the
2988         error message if writing the DFA description file fails.
2989
2990 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2991
2992         * config/mips/mips-protos.h (mips_output_external): Make it
2993         return void.
2994         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2995         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2996         (extern_list): Likewise.
2997         (extern_head): Likewise.
2998         (TARGET_ASM_FILE_END): Likewise.
2999         (mips_file_end): Likewise.
3000         (mips_output_external): Rewritten.
3001
3002 2007-01-18  Ben Elliston  <bje@au.ibm.com>
3003
3004         * genpreds.c (write_insn_preds_c): Only write out the function
3005         body for regclass_for_constraint if we have register constraints.
3006
3007 2007-01-17  Tom Tromey  <tromey@redhat.com>
3008
3009         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3010         * doc/install.texi (Testing): Use sourceware.org.
3011         (Binaries): Likewise.
3012         (Specific): Likewise.
3013         * doc/contrib.texi (Contributors): Use sourceware.org.
3014
3015 2007-01-17  Anatoly Sokolov <aesok@post.ru>
3016
3017         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3018         (AVR_ENHANCED): Rename to ...
3019         (AVR_HAVE_MUL): ... new.
3020         (avr_enhanced_p): Rename to ...
3021         (avr_have_mul_p): ... new.
3022         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3023         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3024         * config/avr/avr.c (avr_enhanced_p): Rename to ...
3025         (avr_have_mul_p): ... new.
3026         (base_arch_s): Rename 'enhanced' to 'have_mul'.
3027         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3028         'avr_enhanced_p' and 'enhanced'.
3029         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3030         AVR_HAVE_MUL instead of AVR_ENHANCED.
3031         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3032         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3033         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3034         instead of AVR_ENHANCED.
3035         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3036         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3037         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3038
3039 2007-01-17  Ian Lance Taylor  <iant@google.com>
3040
3041         * vec.h (VEC_reserve_exact): Define.
3042         (vec_gc_p_reserve_exact): Declare.
3043         (vec_gc_o_reserve_exact): Declare.
3044         (vec_heap_p_reserve_exact): Declare.
3045         (vec_heap_o_reserve_exact): Declare.
3046         (VEC_OP (T,A,reserve_exact)): New static inline function, three
3047         versions.
3048         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3049         negative parameter.
3050         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3051         (VEC_OP (T,A,copy)) [all versions]: Likewise.
3052         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3053         * vec.c (calculate_allocation): Add exact parameter.  Change all
3054         callers.
3055         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3056         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3057         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3058         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3059         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3060         (vec_heap_p_reserve_exact): New function.
3061         (vec_heap_o_reserve_exact): New function.
3062
3063 2007-01-17  Jan Hubicka  <jh@suse.cz>
3064
3065         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3066
3067 2007-01-17  Eric Christopher  <echristo@apple.com>
3068
3069         * config.gcc: Support core2 processor.
3070
3071 2007-01-16  Jan Hubicka  <jh@suse.cz>
3072
3073         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3074         the names, just unlink the chain so we don't crash on dangling pointers
3075         to dead SSA names.
3076
3077 2007-01-16  Jan Hubicka  <jh@suse.cz>
3078
3079         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3080         * tree-pass.h: Reorder to make IPA passes appear toegher.
3081         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3082         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3083         parameters, do not call early inliner.
3084         * ipa-inline.c: Update comments.  Include tree-flow.h
3085         (cgraph_decide_inlining): Do not compute inlining parameters.
3086         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3087         be called with function context set up.
3088         (pass_ipa_inline): Remove unreachable functions before pass.
3089         (cgraph_early_inlining): Simplify assuming to be called from the
3090         PM as local pass.
3091         (pass_early_inline): New pass.
3092         (cgraph_gate_ipa_early_inlining): New gate.
3093         (pass_ipa_early_inline): Turn into simple wrapper.
3094         (compute_inline_parameters): New function.
3095         (gate_inline_passes): New gate.
3096         (pass_inline_parameters): New pass.
3097         (apply_inline): Move here from tree-optimize.c
3098         (pass_apply_inline): New pass.
3099         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3100         transforming.
3101         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3102         doing them by hand.
3103         (tree_function_versioning): Do not allocate dummy struct function.
3104         * tree-inline.h (optimize_inline_calls): Update prototype.
3105         * tree-optimize.c (execute_fixup_cfg): Export.
3106         (pass_fixup_cfg): Remove
3107         (tree_rest_of_compilation): Do not apply inlines.
3108         * tree-flow.h (execute_fixup_cfg): Declare.
3109         * Makefile.in (gt-passes.c): New.
3110         * passes.c: Include gt-passes.h
3111         (init_optimization_passes): New passes.
3112         (nnodes, order): New static vars.
3113         (do_per_function_toporder): New function.
3114         (execute_one_pass): Dump current pass here.
3115         (execute_ipa_pass_list): Don't dump current pass here.
3116
3117 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
3118
3119         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3120         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3121
3122 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
3123
3124         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3125         (strong_alias): Define.
3126         (__gcc_qmul): Provide non-FMA for soft-float.
3127         (__gcc_qdiv): Same.
3128         (__gcc_qneg): New.
3129         (__gcc_qeq): New.
3130         (__gcc_qle): New.
3131         (__gcc_qge): New.
3132         (__gcc_qunord): New.
3133         (__gcc_stoq): New.
3134         (__gcc_dtoq): New.
3135         (__gcc_qtos): New.
3136         (__gcc_qtod): New.
3137         (__gcc_qtoi): New.
3138         (__gcc_qtou): New.
3139         (__gcc_itoq): New.
3140         (__gcc_utoq): New.
3141         (fmsub): New.
3142         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3143         soft-float functions.
3144         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3145         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3146         about long double soft float.
3147
3148 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
3149             Tehila Meyzels  <tehila@il.ibm.com>
3150
3151         * tree-vectorizer.h (is_pattern_stmt_p): New.
3152         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3153         formatting (tabs instead of spaces). Cleanup and clarify setting
3154         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3155         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3156         (vectorizable_type_demotion): Check that types are integral.
3157         (vectorizable_type_promotion): Likewise.
3158         (vectorizable_store): Fix typo.  Eliminate new-line at end of
3159         comments.
3160
3161 2007-01-16  Jan Hubicka  <jh@suse.cz>
3162
3163         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3164         cgraph edges too.
3165
3166 2007-01-15  Eric Christopher  <echristo@apple.com>
3167
3168         * ifcvt.c: Include vec.h, vecprim.h.
3169         (check_cond_move_block): New argument regs.
3170         Reorganize. Add registers used to regs.
3171         (cond_move_process_if_block): Use regs set above as
3172         loop bounds.
3173
3174 2007-01-15  Eric Christopher  <echristo@apple.com>
3175
3176         * config/darwin.h: Update copyright.
3177         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3178         (LINK_COMMAND_SPEC): Add -u.
3179         (LINK_SPEC): Fix umbrella for above.
3180
3181 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
3182
3183         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3184         glibc CVS.
3185
3186 2007-01-15  Tom Tromey  <tromey@redhat.com>
3187
3188         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3189         * doc/install.texi (Testing): Don't mention jacks.
3190         (Configuration): Document --enable-java-maintainer-mode.  Move
3191         --with-java-home to libgcj-specific section.  Document
3192         --with-ecj-jar.
3193         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3194
3195 2007-01-15  Jan Hubicka  <jh@suse.cz>
3196
3197         * tree-ssa-dce.c (DCE_TODOs): New.
3198         (propagate_necessity): Return if something changed.
3199         (eliminate_unnecessary_stmts): Likewise.
3200         (perform_tree_ssa_dce): Return TODO flags when needed.
3201         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3202
3203 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
3204
3205         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3206         (fyl2x_extend<mode>xf3_i387): New insn pattern.
3207         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3208         patterns using X87MODEF12 mode macro.  Extend operand 1
3209         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3210         (log10<mode>2): Ditto.
3211         (log2<mode>2): Ditto.
3212         (log1p<mode>2): Ditto.
3213         (logb<mode>2): Ditto.
3214         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3215         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3216         (*fxtractxf3_i387): Rename from *fxtractxf3.
3217         (fxtract_extend<mode>xf3_i387): New insn pattern.
3218         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3219         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3220         and gen_fyl2xxf3_i387().
3221
3222 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3223
3224         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3225         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
3226         get_loop_exit_edges.  Changed return type to bool.
3227         * cfgloop.h (fix_loop_placement): Declaration removed.
3228
3229 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
3230
3231         * param.h (MIN_VECT_LOOP_BOUND): New.
3232         * params.def (MIN_VECT_LOOP_BOUND): New.
3233         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3234         argument - minimum threshold for number of iterations.
3235         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3236         argument to declaration.
3237         * tree-vect-analyze.c (vect_analyze_operations): Check value of
3238         MIN_VECT_LOOP_BOUND.
3239         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3240         slpeel_tree_peel_loop_to_edge with additional argument.
3241         (vect_do_peeling_for_alignment): Likewise.
3242         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3243
3244 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
3245
3246         PR target/30413
3247         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3248         operands of size 1.
3249
3250 2007-01-14  Jan Hubicka  <jh@suse.cz>
3251
3252         * tree-dfa.c (remove_referenced_var): New function.
3253         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3254         prune referenced vars list too.
3255         * tree-flow.h (remove_referenced_var): Declare.
3256
3257 2007-01-14  Jan Hubicka  <jh@suse.cz>
3258
3259         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3260         separately.
3261         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3262         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3263         * except.h (verify_eh_throw_table_statements): Kill prototype.
3264         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3265         into call exrepssions.
3266         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3267         eh trhow verifier.
3268         * tree-cfg.c: Include pointer-set.h.
3269         (verify_node_sharing): Work on pointer set.
3270         (verify_eh_throw_stmt_node): New.
3271         (verify_stmts): Use pointers sets, verify throw_stmt.
3272
3273 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
3274
3275         * ipa-reference.c (analyze_function): Consider also addresses taken
3276         in phi nodes.
3277
3278 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3279
3280         * c-typeck.c (null_pointer_constant_p): Replace use of
3281         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3282         (build_c_cast): Likewise.
3283
3284 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3285
3286         * tree.h (force_fit_type_double): Remove unused final argument.
3287         * c-common.c (constant_expression_warning): Replace use of
3288         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3289         (convert_and_check): Likewise.
3290         (shorten_compare): Update call to force_fit_type_double.
3291         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3292         * convert.c (convert_to_pointer): Update call to
3293         force_fit_type_double.
3294         * fold-const.c (force_fit_type_double): Remove overflowed_const
3295         argument.
3296         (int_const_binop, fold_convert_const_int_from_int,
3297         fold_convert_const_int_from_real, fold_div_compare,
3298         fold_sign_changed_comparison, fold_unary, fold_negate_const,
3299         fold_abs_const, fold_not_const): Remove the final argument from
3300         calls to force_fit_type_double.
3301
3302 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3303
3304         * configure.ac: Set insn to "nop" for spu-*-* also.
3305         * configure: Regenerate.
3306
3307 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
3308
3309         * builtins.def : Add BUILT_IN_FREE.
3310
3311 2007-01-12  Jan Hubicka  <jh@suse.cz>
3312
3313         PR tree-optimization/30443
3314         * tree-inline.c (tree_function_versioning): Do not optimize when
3315         cloning for inlining.
3316
3317 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
3318
3319         * doc/loop.texi: Document recording of loop exits.
3320         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3321         (update_single_exits_after_duplication,
3322         update_single_exit_for_duplicated_loop,
3323         update_single_exit_for_duplicated_loops): Removed.
3324         (duplicate_loop_to_header_edge): Do not call
3325         update_single_exits_after_duplication and
3326         update_single_exit_for_duplicated_loops.
3327         (loop_version): Do not update single_exit information.
3328         (fix_loop_structure): Use record_loop_exits instead of
3329         mark_single_exit_loops.
3330         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3331         the lists of loop exits.
3332         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3333         split_edge, merge_blocks): Update the lists of loop exits.
3334         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3335         loop_optimizer_init.
3336         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3337         of mark_single_exit_loops.
3338         (loop_optimizer_finalize): Call release_recorded_exits.
3339         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3340         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3341         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3342         update single exit information.
3343         * lambda-code.c (perfect_nestify): Ditto.
3344         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3345         (mark_single_exit_loops): Removed.
3346         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3347         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3348         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3349         functions.
3350         (get_loop_exit_edges, single_exit): Use recorded exit lists.
3351         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3352         (verify_loop_structure): Verify consistency of the exit lists.
3353         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
3354         (set_single_exit): Removed.
3355         * cfgloop.h (struct loop_exit): New function.
3356         (struct loop): single_exit_ field replaced by exits field.
3357         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3358         (struct loops): Added exits hash.
3359         (mark_single_exit_loops, set_single_exit): Declaration removed.
3360         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3361
3362 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3363
3364         * doc/invoke.texi: Avoid use of @headitem.
3365
3366 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3367
3368         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3369
3370 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3371
3372         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3373         list of targets.
3374
3375 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3376             Richard Sandiford  <richard@codesourcery.com>
3377
3378         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3379         * config/m68k/m68k.opt: Resort options.
3380         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3381
3382 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3383             Richard Sandiford  <richard@codesourcery.com>
3384
3385         * doc/invoke.texi: Document the macros that are defined by
3386         m68k's -mtune and -mhard-float options.
3387         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3388         (m68k_cpp_cpu_family): Likewise.
3389         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3390         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3391         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3392         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3393         (m68k_cpp_cpu_family): Likewise.
3394
3395 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3396
3397         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3398         macros besides mc68000 as tuning macros.  Use a switch statement
3399         to set them and mcpu32.
3400
3401 2007-01-12  Julian Brown  <julian@codesourcery.com>
3402
3403         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3404         (TARGET_68040_ONLY): Rename to...
3405         (TARGET_68040): ...this.
3406         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3407         * config/m68k/m68k.md: Likewise.
3408
3409 2007-01-12  Julian Brown  <julian@codesourcery.com>
3410             Nathan Sidwell  <nathan@codesourcery.com>
3411             Richard Sandiford  <richard@codesourcery.com>
3412
3413         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3414         the -mcpu= argument associated with the --with-cpu setting.
3415         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3416         if different from the one implied by the -mcpu setting.
3417         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3418         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3419         * doc/invoke.texi: Mention ColdFire in the introduction to the
3420         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3421         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3422         -mhard-float.  Document the previously-undocumented -m5206e,
3423         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3424         documentation for consistency.
3425         * doc/install.texi: Mention new --with-cpu arguments.
3426         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3427         default CPU if neither -mcpu nor -march are specified.
3428         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3429         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3430         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3431         using m68k_tune to decide between families that implement the
3432         same ISA.  Use m68k_tune to set __mcfv4e__.
3433         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3434         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3435         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3436         (FL_ISA_C, FL_ISA_MMU): New macros.
3437         (MASK_COLDFIRE): Delete.
3438         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3439         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3440         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3441         (TARGET_HARD_FLOAT): Do not define here.
3442         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3443         (TUNE_68000): New macro.
3444         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3445         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3446         (TUNE_CFV2): Redefine in terms of m68k_tune.
3447         (uarch_type, target_device, fpu_type): New enums.
3448         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3449         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3450         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3451         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3452         (FL_FOR_isa_c): New macros.
3453         (m68k_isa): New enum.
3454         (m68k_target_selection): New structure.
3455         (all_devices, all_isas, all_microarchs): New tables.
3456         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3457         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3458         (MASK_ALL_CPU_BITS): Delete.
3459         (m68k_find_selection): New function.
3460         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3461         Map the legacy target options to a combination of the new ones.
3462         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3463         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3464         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3465         settings.
3466         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3467         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3468         properties.
3469         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3470         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3471         * config/m68k/m68k-devices.def: New file.
3472
3473 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3474             Nathan Sidwell  <nathan@codesourcery.com>
3475
3476         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3477         (SUBTARGET_EXTRA_SPECS): New macros.
3478         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3479         use %(asm_cpu_spec) instead.
3480         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3481         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3482         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3483         (EXTRA_SPECS): Rename to...
3484         (SUBTARGET_EXTRA_SPECS): ...this.
3485
3486 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3487             Richard Sandiford  <richard@codesourcery.com>
3488             Julian Brown  <julian@codesourcery.com>
3489
3490         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3491         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3492         to the configuration's default CPU.
3493         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3494         Remove default masks.
3495         (m680[012]0-*-*): Set the default with_cpu to the first part of
3496         the target name.
3497         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3498         (m68k*-*-linux): Extend the --with-cpu handling to...
3499         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3500         and m68010.  Don't set target_cpu_default2.
3501         * doc/install.texi: Document --with-cpu for m68k.
3502         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3503         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3504         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3505         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3506         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3507         (ASM_SPEC): Remove use of %(asm_cpu_default).
3508         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3509         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3510         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3511         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3512         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3513         (TARGET_DEFAULT): Delete.
3514         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3515         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3516         (CPP_CPU_SPEC): Delete.
3517         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3518         the appropriate string.
3519         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3520         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3521         (ASM_SPEC): Don't use %(asm_default_spec).
3522         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3523         TARGET_DEFAULT and add MASK_68881.
3524         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3525
3526 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3527
3528         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3529         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3530         MASK_68010 alongside MASK_68020.
3531         * doc/invoke.texi: Document -m68010.
3532         * config/m68k/m68k.opt (m68010): New.
3533         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3534         if TUNE_68010.
3535         (TUNE_68010): New macro.
3536         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3537         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3538         (M68K_CPU_m68332): Add MASK_68010.
3539         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3540         fallback definition.
3541         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3542         defines.
3543         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3544         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3545         to all entries that use MASK_68020.
3546         (output_move_simode_const, output_move_himode, output_move_qimode)
3547         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3548         instead of TARGET_68020 to select clr behavior.  Remove comment
3549         about there being no TARGET_68010.
3550         * config/m68k/m68k.md: Likewise throughout.
3551
3552 2007-01-12  Julian Brown  <julian@codesourcery.com>
3553
3554         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3555         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3556         * config/m68k/m68k.md: Likewise.
3557
3558 2007-01-12  Julian Brown  <julian@codesourcery.com>
3559
3560         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3561         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3562
3563 2007-01-12  Julian Brown  <julian@codesourcery.com>
3564
3565         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3566         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3567         * config/m68k/m68k.md: Likewise.
3568
3569 2007-01-12  Julian Brown  <julian@codesourcery.com>
3570             Richard Sandiford  <richard@codesourcery.com>
3571
3572         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3573         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3574         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3575         TARGET_CPU32.
3576         (TARGET_CPU32): Rename to...
3577         (TUNE_CPU32): ...this.
3578         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3579         (TUNE_CFV2): New macros.
3580         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3581         remove conditions that are implied by TARGET_68020.
3582         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3583         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3584         (m68k_output_function_epilogue): Likewise.
3585         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3586         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3587         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3588         non-68000 timings.  Refactor multiplication and division costs.
3589         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3590         TUNE_CPU32 instead of TARGET_CPU32.
3591         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3592         and TUNE_68060 instead of TARGET_68060.
3593         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3594         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3595         TARGET_CPU32.
3596         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3597         && !TARGET_COLDFIRE" to choose between moveq and clr.
3598         Likewise in the unnamed movsf pattern.
3599         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3600         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3601         ashiftrt pattern.
3602
3603 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3604
3605         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3606         of tabbing before backslashes.
3607
3608 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3609
3610         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3611         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3612         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3613
3614 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3615
3616         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3617         find_interesting_uses_cond.
3618         (find_interesting_uses_cond): Use extract_cond_operands.
3619         (rewrite_use_compare): Use extract_cond_operands and
3620         force_gimple_operand_bsi.  Do not call update_stmt.
3621         (determine_use_iv_cost_condition): Use extract_cond_operands.
3622         Return cheaper of using original bound and changing the exit bound.
3623
3624 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3625
3626         PR tree-optimization/29516
3627         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3628         most_expensive_mult_to_index, addr_to_parts,
3629         create_mem_ref, maybe_fold_tmr): Make the type of
3630         fields of TARGET_MEM_REF sizetype.
3631         (move_fixed_address_to_symbol, move_pointer_to_base):
3632         New functions.
3633         * tree.def (TARGET_MEM_REF): Add comment on types of
3634         the operands.
3635
3636 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3637
3638         * c-common.c (vector_types_convertible_p): Treat opaque types as
3639         always convertible if they have the same size, but not otherwise.
3640
3641 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3642
3643         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3644         Remove the b_unconditional field.
3645         (noce_try_sign_mask): Do not look at b_unconditional.
3646         (noce_process_if_block): Do not use merge_if_blocks.  Update
3647         the CFG here.  Do not set b_unconditional.
3648         (cond_move_process_if_block): Likewise.
3649         (find_cond_trap): Likewise.
3650         (check_cond_move_block): Require simple jump insns at the end
3651         of the basic block.
3652
3653 2007-01-11  Jan Hubicka  <jh@suse.cz>
3654
3655         PR tree-optimization/1046
3656         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3657         when alias info is not ready.
3658         (pass_tail_recursion): Do not require aliasing.
3659         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3660         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3661         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3662         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3663         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3664         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3665         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3666         before inlining.
3667         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3668         When aliasing is not build, mark statement as volatile.
3669
3670 2007-01-11  Tom Tromey  <tromey@redhat.com>
3671
3672         PR preprocessor/15185, PR preprocessor/20989:
3673         * doc/cppopts.texi <-MT>: Update description of algorithm for
3674         computing default target.
3675         <-M, -MD>: Reword "basename" text.
3676
3677 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3678
3679         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3680         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3681         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3682         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3683         fold_builtin_bswap, real_constp, fold_builtin_pow,
3684         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3685         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3686         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3687         * convert.c (convert_to_pointer): Likewise.
3688         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3689         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3690         const_binop, fold_convert_const_int_from_int,
3691         fold_convert_const_int_from_real,
3692         fold_convert_const_real_from_real, sign_bit_p,
3693         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3694         fold_sign_changed_comparison, fold_unary, fold_comparison,
3695         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3696         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3697         * print-tree.c (print_node_brief, print_node): Likewise.
3698         * stor-layout.c (place_field, layout_type): Likewise.
3699         * tree-chrec.c (keep_cast): Likewise.
3700         * tree.c (build_vector, build_real, build_real_from_int_cst,
3701         build_complex): Likewise.
3702
3703 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3704
3705         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3706         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3707
3708 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3709
3710         * configure.ac (strict1_warn): Rename to strict_warn.
3711         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3712         cc_set_by_configure, quoted_cc_set_by_configure,
3713         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3714         all_boot_languages, all_stagestuff): Remove.
3715         (target_list): Remove bootstrap targets.
3716         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3717         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3718         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3719         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3720         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3721         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3722         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3723         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3724         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3725         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3726         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3727         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3728         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3729         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3730         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3731         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3732         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3733         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3734         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3735         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3736         (mostlyclean): Adjust.
3737         (clean, distclean): Don't mention bootstrap stuff.
3738         * configure: Regenerate.
3739         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3740         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3741         treelang/config-lang.in (stagestuff): Remove.
3742         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3743         stageprofile, stagefeedback, stagestuff): Remove mention.
3744
3745 2007-01-11  Nick Clifton  <nickc@redhat.com>
3746
3747         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3748         Accept CONSTs.
3749         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3750         (mcore_arith_K_S_operand): Run the test for the S constraint not
3751         the test for the M constraint.
3752         (mcore_addsub_operand): Do not accept integer values that are
3753         larger than 32 bits.
3754         * config/mcore/mcore.md: Remove unused constraints from split.
3755         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3756         (addsi3): Likewise.
3757         (allocate_stack): Likewise.
3758         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3759         operands to 32 bits.
3760         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3761         INTVAL.
3762         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3763         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3764         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3765         mcore_output_bclri, mcore_output_andn, output_inline_const,
3766         mcore_output_move, mcore_output_movedouble): Likewise.
3767         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3768         (output_inline_const): Likewise.
3769         (output_inline_const): Fix format strings used in sprintf
3770         statements.
3771         * config/mcore/mcore-protos.h: Update prototypes for changed
3772         functions in mcore.c.
3773         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3774         HOST_WIDE_INT and not int.
3775         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3776         CONST_OK_FOR_N): Likewise.
3777         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3778         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3779         an INTVAL.
3780
3781 2007-01-10  Jan Hubicka  <jh@suse.cz>
3782
3783         * tree-vrp.c (remove_range_assertions): Release defs.
3784         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3785         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3786
3787 2007-01-10  Paul Brook  <paul@codesourcery.com>
3788
3789         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3790         * config/arm/arm.md (mulsi3subsi): New insn.
3791
3792 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
3793
3794         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3795         (tree_transform_and_unroll_loop): New.
3796         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3797         Declare.
3798
3799 2007-01-10  Robert Kennedy <jimbob@google.com>
3800
3801         * fold-const.c (fold_comparison): Fold comparisons like (x *
3802         1000 < 0) to (x < 0).
3803
3804 2007-01-10  Ian Lance Taylor  <iant@google.com>
3805
3806         * tree-pretty-print.c (dump_generic_node): Print parentheses when
3807         operands have the same priority.
3808
3809 2007-01-10  Tom Tromey  <tromey@redhat.com>
3810
3811         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3812         (fold_binary): Likewise.
3813         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3814         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3815         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3816         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3817         * langhooks.h (struct lang_hooks): Removed field
3818         'can_use_bit_fields_p'.
3819
3820 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
3821
3822         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3823
3824 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
3825
3826         * function.c (get_last_funcdef_no): New function.
3827         * function.h (get_last_funcdef_no): Declare.
3828         * tree-inline.c (initialize_cfun): Add initialization.
3829         (tree_function_versioning): Cleanup.
3830
3831 2007-01-10  Jan Hubicka  <jh@suse.cz>
3832
3833         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3834         PHIs.
3835
3836 2007-01-10  Sa Liu  <saliu@de.ibm.com>
3837             Ben Elliston  <bje@au.ibm.com>
3838
3839         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3840         for SAVE_NONLOCAL and Pmode for any other save level.
3841         * spu-protos.h (spu_restore_stack_block): Declare.
3842         * spu.md (save_stack_block): Remove.
3843         (restore_stack_block): Call spu_restore_stack_block.
3844         * spu.c (spu_restore_stack_block): New function.
3845         (spu_expand_epilogue): Remove old comment.
3846
3847 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
3848
3849         PR tree-optimization/30322
3850         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3851         (cand_value_at): Return the value as aff_tree.
3852         (may_eliminate_iv): Convert the bound from aff_tree to tree.
3853         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3854         aff_combination_mult): New functions.
3855         (aff_combination_add): Use aff_combination_add_cst.
3856         (aff_combination_convert): Allow conversions to a wider type.
3857         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3858         * tree-affine.h (aff_combination_mult): Declare.
3859
3860 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
3861
3862         * doc/tm.texi: Update documentation to reflect reality of exec
3863         and start file search behaviours. Update copyright year.
3864         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3865         header file directories.
3866
3867 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
3868
3869         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3870         (*cosxf2): Rename to cosxf2_i387.
3871         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
3872         using X87MODEF12 mode macro. Rename patterns to
3873         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
3874         for SSE math.
3875         (*cosdf2, *cossf2): Ditto.
3876         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
3877         to match extended input operands.
3878         (sincos<mode>3): New expander.
3879         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3880         insn patterns and corresponding splitters.
3881
3882 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3883
3884         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3885         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3886
3887 2007-01-09  Nicolas Pitre  <nico@cam.org>
3888
3889         PR target/30173
3890         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3891
3892 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3893
3894         * target.h (struct gcc_target): New field library_rtti_comdat.
3895         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3896         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3897         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3898         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3899
3900 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3901
3902         * doc/invoke.texi (Optimize Options): Correct description of -O0.
3903
3904 2007-01-08  Richard Guenther  <rguenther@suse.de>
3905
3906         * tree.h (force_fit_type_double): Export.
3907         (force_fit_type): Remove.
3908         * fold-const.c (force_fit_type_double): New function.
3909         (force_fit_type): Remove.
3910         (int_const_binop): Use it.
3911         (fold_convert_const_int_from_int): Likewise.
3912         (fold_convert_const_int_from_real): Likewise.
3913         (fold_div_compare): Likewise.
3914         (fold_sign_changed_comparison): Likewise.
3915         (fold_unary): Likewise.
3916         (fold_negate_const): Likewise.
3917         (fold_abs_const): Likewise.
3918         (fold_not_const): Likewise.
3919         * c-common.c (shorten_compare): Use force_fit_type_double.
3920         * convert.c (convert_to_pointer): Likewise.
3921
3922 2007-01-08  Richard Guenther  <rguenther@suse.de>
3923
3924         * tree.h (build_int_cst_wide_type): Export.
3925         * tree.c (build_int_cst_wide_type): New function.
3926         (build_int_cst_wide): Fix comment.
3927         * builtins.c (fold_builtin_object_size): Use build_int_cst
3928         to build -1 or 0 of the correct type.  Use fit_double_type
3929         to check for overflow.
3930         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3931         to build the mask.
3932         (decode_field_reference): Likewise.
3933         (all_ones_mask_p): Likewise.
3934         (native_interpret_int): Use build_int_cst_wide_type.
3935         (fold_binary): Use build_int_cst_type to build an all-ones
3936         value.
3937         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3938
3939 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
3940
3941         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3942
3943 2007-01-09  Ben Elliston  <bje@au.ibm.com>
3944
3945         * genautomata.c (STATS_OPTION): New option.
3946         (stats_flag): New flag.
3947         (gen_automata_option): Handle it.
3948         (initiate_automaton_gen): Ditto.
3949         (write_automata): Output statistics only if stats_flag is
3950         set. Likewise, output time statistics only if time_flag is set.
3951         * doc/md.texi (Processor pipeline description): Document new flag.
3952
3953 2007-01-08  Richard Guenther  <rguenther@suse.de>
3954
3955         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
3956         * tree.c (build_int_cst_type): Likewise.
3957         (size_in_bytes): Don't call force_fit_type on the result.
3958         (int_fits_type_p): Use fit_double_type.
3959         * fold-const.c (fit_double_type): New function.
3960         (force_fit_type): Use it.
3961         * tree.h (fit_double_type): Export.
3962
3963 2007-01-08  Jan Hubicka  <jh@suse.cz>
3964
3965         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
3966         * ipa.c (function_and_variable_visibility): Fix return type.
3967
3968 2007-01-08  Richard Guenther  <rguenther@suse.de>
3969
3970         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
3971         of offset to build the index.
3972         * tree-pretty-print.c (dump_generic_node): Don't build negated
3973         const just for printing.
3974         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3975         * builtins.c (fold_builtin_int_roundingfn): Check if result
3976         fits the type by using force_fit_type and comparing the result.
3977         * predict.c (predict_loops): Use compare_tree_int for comparison.
3978         * tree.c (build_int_cst): Fall back to integer_type_node for
3979         NULL_TREE type.
3980         (build_int_cst_wide): Assert type is non-null.
3981
3982 2007-01-08  Roberto Costa  <roberto.costa@st.com>
3983
3984         * tree-vrp.c (extract_range_from_cond_expr): New.
3985         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
3986         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
3987         as expressions.
3988         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
3989         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
3990         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
3991         used as expressions.
3992         * tree-object-size.c (cond_expr_object_size): New.
3993         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3994
3995 2007-01-08  Jan Hubicka  <jh@suse.cz>
3996
3997         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3998         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3999         statement.
4000
4001 2007-01-08  Richard Guenther  <rguenther@suse.de>
4002
4003         PR tree-optimization/23603
4004         * tree-vrp.c (set_value_range_to_truthvalue): New function.
4005         (extract_range_from_binary): Fall back to truthvalue instead of
4006         varying for TRUTH_*_EXPR.
4007         (extract_range_from_comparison): Fall back to truthvalue instead of
4008         varying.
4009         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4010         if all visited PHI values were constant.
4011
4012 2007-01-08  Jan Hubicka  <jh@suse.cz>
4013
4014         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4015         (cgraph_analyze_function): break out from ...
4016         (cgraph_finalize_compilation_unit): ... here.
4017         (cgraph_expand_function): Remove forgoten commented out line.
4018         (cgraph_optimize): Analyze functions.
4019
4020 2007-01-08  Jan Hubicka  <jh@suse.cz>
4021
4022         * tree-pas.h (TODO_remove_function): New flag.
4023         (TODO_update*): Renumber.
4024         (pass_ipa_increase_alignment,
4025         pass_ipa_function_and_variable_visibility): New passes.
4026         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4027         (cgraph_function_and_variable_visibility): Move to ipa.c
4028         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4029         cgraph_increase_alignment.
4030         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4031         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4032         calling tree-inline.
4033         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4034         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4035         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4036         (gate_increase_alignment): New function.
4037         (pass_ipa_increase_alignment): New pass.
4038         * ipa.c: Inline tree-pass.h and timevar.h
4039         (function_and_variable_visibility): Move here from cgraphunit.c
4040         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4041         * passes.c (init_optimization_passes): Add the two new passes.
4042         (execute_todo): Handle cgraph_remove_functions.
4043
4044 2007-01-08  Nick Clifton  <nickc@redhat.com>
4045
4046         * config/frv/predicates.md (reg_or_0_operand): Accept
4047         CONST_DOUBLEs.
4048
4049 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
4050
4051         * config/bfin/rtems.h, config/bfin/t-rtems: New.
4052         * config.gcc: Add bfin*-rtems*.
4053
4054 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4055
4056         * c.opt: Add -flax-vector-conversions.
4057         * c-typeck.c (convert_for_assignment): Pass flag to
4058         vector_types_convertible_p to allow emission of note.
4059         (digest_init): Likewise.
4060         * c-opts.c: Handle -flax-vector-conversions.
4061         * c-common.c (flag_lax_vector_conversions): New.
4062         (vector_types_convertible_p): Unless -flax-vector conversions
4063         has been passed, disallow conversions between vectors with
4064         differing numbers of subparts and/or element types.  If such
4065         a conversion is disallowed, possibly emit a note on the first
4066         occasion only to inform the user of -flax-vector-conversions.
4067         The new last argument specifies this.
4068         * c-common.h (flag_lax_vector_conversions): New.
4069         (vector_types_convertible_p): Add extra argument.
4070         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4071         char_type_node for V*QI type vectors.
4072         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4073         Update to satisfy new typechecking rules.
4074         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4075         C and C++ variants.
4076         * doc/invoke.texi (C Dialect Options): Document
4077         -flax-vector-conversions.
4078
4079 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
4080
4081         PR tree-optimization/29877
4082         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4083         a register variable on the RHS to not be replaceable.
4084
4085 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
4086         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4087         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4088         const_simm15, const_pow2, const_npow2): Added.
4089         * config/score/misc.md (insv, extv, extzv, movmemsi,
4090         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4091         * config/score/score.c (score_address_cost, score_select_cc_mode):
4092         Added.
4093         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4094         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4095         Update score_print_operand.
4096         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4097         Adjust register allocate order and update some macro define.
4098         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4099         mdx_block_move_straight, mdx_block_move_loop_head,
4100         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4101         mdx_block_move): Added.
4102         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4103         mdp_limm): Updated and fix some bug and typo.
4104         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4105         (movsf, movdf, doloop_end): Added.
4106
4107 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
4108
4109         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4110         config/arm/thumb2.md: Fix comment typos.
4111         * doc/extend.texi: Fix a typo.
4112
4113 2007-01-07  Eric Christopher  <echristo@apple.com>
4114
4115         * configure.ac: Check for __stack_chk_fail for darwin.
4116         * configure: Regenerate.
4117
4118 2007-01-07  Richard Guenther  <rguenther@suse.de>
4119
4120         * tree-vrp.c (extract_range_from_assert): CSE calls to
4121         compare_values where possible.
4122         (extract_range_from_unary_expr): Likewise.
4123
4124 2007-01-07  Anatoly Sokolov <aesok@post.ru>
4125
4126         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4127         * config/avr/avr.c (call_insn_operand): Delete function.
4128         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4129         instead of register number. Use predicates.
4130         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4131         call_insn_operand): Add.
4132
4133 2007-01-06  Jan Hubicka  <jh@suse.cz>
4134
4135         * tree-pass.h (pass_build_cgraph_edges): Declare.
4136         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4137         (visited_nodes): Remove.
4138         (cgraph_create_edges): Move to cgraphbuild.c; rename to
4139         build_cgrpah_edges; make visited_nodes local.
4140         (cgraph_process_new_functions): DO not call initialize_inline_failed.
4141         (record_references_in_initializer): Move to cgraphbuild.c
4142         (initialize_inline_failed, rebuild_cgraph_edges,
4143         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4144         (verify_cgraph_node): Make visited_nodes local.
4145         (cgraph_analyze_function): Do not call cgraph_create_edges and
4146         initialize_inline_failed.
4147         (cgraph_expand_function): Do not call cgraph_lower_function;
4148         assert that function is already lowered.
4149         * Makefile.in (cgraphbuild.o): New.
4150         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4151         at the end of lowering passes.
4152
4153 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
4154
4155         * ifcvt.c (cond_move_convert_if_block): New function, code
4156         factored out from...
4157         (cond_move_process_if_block): ...here.  Call the new function
4158         on the THEN and ELSE blocks.
4159         (merge_if_block): Do not copy global_live_at_end, merge_blocks
4160         already takes care of this.
4161
4162 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4163
4164         PR c/19978
4165         * tree.h (TREE_OVERFLOW_P): New.
4166         * c-typeck.c (parser_build_unary_op): Warn only if result
4167         overflowed and operands did not.
4168         (parser_build_binary_op): Likewise.
4169         (convert_for_assignment): Remove redundant overflow_warning.
4170         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4171
4172 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4173
4174         * c-typeck.c (store_init_value): Split over two lines to follow
4175         the GNU coding style.
4176
4177 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
4178
4179         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4180         __GXX_EXPERIMENTAL_CXX0X__.
4181         * doc/cpp.texi: Same.
4182
4183 2007-01-05  Richard Guenther  <rguenther@suse.de>
4184
4185         PR middle-end/27826
4186         * tree.c (get_narrower): Do not construct COMPONENT_REFs
4187         with mismatched types.  Instead explicitly build a
4188         conversion NOP_EXPR.
4189
4190 2007-01-05  Ian Lance Taylor  <iant@google.com>
4191
4192         * c-common.c (decl_with_nonnull_addr_p): New function.
4193         (c_common_truthvalue_conversion): Call it.
4194         * c-typeck.c (build_binary_op): Likewise.
4195         * c-common.h (decl_with_nonnull_addr_p): Declare.
4196
4197 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
4198
4199         PR c/30360
4200         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4201         denom against 0.0.
4202
4203 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
4204
4205         * doc/install.texi (Final install): Document the fact that
4206         the GNAT runtime should not be stripped.
4207
4208 2007-01-04  Jan Hubicka  <jh@suse.cz>
4209
4210         * tree-inline.c (fold_marked_statements): Update operand caches
4211         and EH after folding
4212
4213 2007-01-04  Ian Lance Taylor  <iant@google.com>
4214
4215         * c-common.c (check_function_nonnull): Whitespace fix.
4216
4217 2007-01-04  Jan Hubicka  <jh@suse.cz>
4218
4219         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4220         comitted older version of patch.
4221         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4222         function, celanup cfg and collect garbage.
4223
4224 2007-01-04  Mike Stump  <mrs@apple.com>
4225
4226         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4227         (clean): Likewise.
4228
4229 2007-01-04  Eric Christopher  <echristo@apple.com>
4230
4231         * libgcc2.c (__bswapsi2): Use SItype.
4232         (__bswapdi2): Use DItype.
4233         * libgcc2.h: Update for above.
4234
4235 2007-01-04  Paul Brook  <paul@codesourcery.com>
4236
4237         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4238         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4239         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4240         umulsidi3, umulsidi3adddi, smulsi3_highpart,
4241         umulsi3_highpart): Make conditional on !arm_arch6.
4242         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4243         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4244         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4245         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4246         umulsi3_highpart_v6): New insns.
4247
4248 2007-01-04  Roger Sayle  <roger@eyesopen.com>
4249
4250         * fold-const.c (fold_convert): When casting an expression to void,
4251         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4252         have a type.  Instead of attempting to build a NOP_EXPR, return
4253         these "special" trees directly.
4254
4255 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
4256
4257         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4258         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
4259         rs6000_cost->fp not 0 as adjustment for outer NEG.
4260
4261 2007-01-04  Jan Hubicka  <jh@suse.cz>
4262
4263         * cgraph.c (cgraph_release_function_body): New function.
4264         (cgraph_remove_node): Use it.
4265         * cgraph.h (cgraph_release_function_body): Declare.
4266         * cgraphunit.c (cgraph_expand_function): Use it.
4267         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4268         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4269         is initialized and while compilation of other function is running.
4270         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4271         statement CFG annotations from here to ...
4272         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4273
4274 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
4275
4276         * cfgloop.h (enum li_flags): Make the constants powers of two.
4277
4278 2007-01-04  Jan Hubicka  <jh@suse.cz>
4279
4280         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4281         set.
4282         (fold_marked_statements): New function.
4283         (optimize_inline_calls, tree_function_versioning): Fold new statements.
4284         * tree-inline.h (copy_body_data): Add statements_to_fold.
4285
4286 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
4287
4288         * config.gcc: Mention libgcc/config.host.
4289         * Makefile.in: Update comments mentioning libgcc.
4290         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4291         (all.cross, start.encap, rest.encap, rest.cross): Update
4292         dependencies for libgcc move.
4293         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4294         (clean-target, clean-target-libgcc): Delete.
4295         (srcdirify, GCC_EXTRA_PARTS): New macros.
4296         (libgcc-support, libgcc.mvars): New rules.
4297         (distclean): Remove mention of mklibgcc.
4298         (install): Don't reference INSTALL_LIBGCC.
4299         (install-common): Don't reference EXTRA_PARTS.
4300         (install-libgcc, install-multilib): Delete rules.
4301         * mklibgcc.in: Delete file.
4302         * doc/configfiles.texi: Don't mention mklibgcc.
4303
4304         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4305         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4306         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4307         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4308         (mklibgcc, ldblspecs): Likewise.
4309
4310         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4311         (posixpre.def): Use $(T).
4312         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4313         (SHLIB_SRC, SHLIB_INSTALL): Delete.
4314         (SHLIB_LINK): Make dummy.
4315         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4316
4317         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4318
4319         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4320         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4321         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4322         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4323
4324         * configure.ac (all_outputs): Remove mklibgcc.
4325         * configure: Regenerated.
4326
4327 2007-01-03  Josh Conner  <jconner@apple.com>
4328
4329         PR middle-end/29683
4330         * calls.c (compute_argument_addresses): Set stack and stack_slot
4331         for partial args, too.
4332         (store_one_arg): Use locate.size.constant for the size when
4333         generating a save_area.
4334
4335 2007-01-03  Robert Kennedy <jimbob@google.com>
4336
4337         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4338         whose definitions are deleted due to basic block merging.
4339
4340 2007-01-03  Paul Brook  <paul@codesourcery.com>
4341
4342         PR target/16634
4343         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4344         functions.
4345         (use_return_insn): Return 0 for Thumb interrupt functions.
4346         (print_multi_reg): Add rfe argument for IRQ returns.
4347         (arm_output_epilogue): Pop interrupt return address directly into PC.
4348         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4349
4350 2007-01-03  Paul Brook  <paul@codesourcery.com>
4351
4352         Merge from sourcerygxx-4_1.
4353         * config/arm/thumb2.md: New file.
4354         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4355         Thumb-2.
4356         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4357         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4358         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4359         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4360         tables.
4361         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4362         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4363         comptibility.
4364         * config/arm/ieee754-sf.S: Ditto.
4365         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4366         (thumb1_base_register_rtx_p): ... to this.
4367         (thumb_index_register_rtx_p): Rename...
4368         (thumb1_index_register_rtx_p): ... to this.
4369         (thumb_output_function_prologue): Rename...
4370         (thumb1_output_function_prologue): ... to this.
4371         (thumb_legitimate_address_p): Rename...
4372         (thumb1_legitimate_address_p): ... to this.
4373         (thumb_rtx_costs): Rename...
4374         (thumb1_rtx_costs): ... to this.
4375         (thumb_compute_save_reg_mask): Rename...
4376         (thumb1_compute_save_reg_mask): ... to this.
4377         (thumb_final_prescan_insn): Rename...
4378         (thumb1_final_prescan_insn): ... to this.
4379         (thumb_expand_epilogue): Rename...
4380         (thumb1_expand_epilogue): ... to this.
4381         (arm_unwind_emit_stm): Rename...
4382         (arm_unwind_emit_sequence): ... to this.
4383         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4384         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4385         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4386         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4387         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4388         thumb2_output_casesi): New functions.
4389         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4390         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4391         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4392         THUMB2_WORK_REGS): Define.
4393         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4394         arm_condexec_mask, arm_condexec_masklen)): New variables.
4395         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4396         (arm_override_options): Check new CPU capabilities.
4397         Set new architecture flag variables.
4398         (arm_isr_value): Handle v7m interrupt functions.
4399         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4400         Thumb-2.
4401         (const_ok_for_arm): Handle Thumb-2 constants.
4402         (arm_gen_constant): Ditto.  Use movw when available.
4403         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4404         functions.
4405         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4406         (thumb_find_work_register, arm_load_pic_register,
4407         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4408         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4409         print_multi_reg, output_mov_long_double_fpa_from_arm,
4410         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4411         output_mov_double_fpa_from_arm, output_move_double,
4412         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4413         output_return_instruction, arm_output_function_prologue,
4414         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4415         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4416         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4417         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4418         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4419         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4420         '!' and 'L'.
4421         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4422         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4423         (arm_file_start): Output directive for unified syntax.
4424         (arm_unwind_emit_set): Handle stack alignment instruction.
4425         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4426         Add v6t2, v7, v7a, v7r and v7m.
4427         (RETLDM): Add Thumb-2 code.
4428         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4429         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4430         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4431         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4432         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4433         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4434         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4435         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4436         ADJUST_INSN_LENGTH): Define.
4437         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4438         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4439         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4440         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4441         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4442         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4443         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4444         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4445         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4446         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4447         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4448         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4449         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4450         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4451         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4452         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4453         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4454         cortex-m3.
4455         * config/arm/arm-tune.md: Regenerate.
4456         * config/arm/arm-protos.h: Update prototypes.
4457         * config/arm/vfp.md: Enable patterns for Thumb-2.
4458         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4459         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4460         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4461         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4462         * config/arm/libunwind.S: Add Thumb-2 code.
4463         * config/arm/constraints.md: Update include Thumb-2.
4464         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4465         * config/arm/ieee754-df.S: Ditto.
4466         * config/arm/bpabi.S: Ditto.
4467         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4468         * config/arm/predicates.md (low_register_operand,
4469         low_reg_or_int_operand, thumb_16bit_operator): New.
4470         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4471         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4472         * config/arm/t-arm-elf: Add armv7 multilib.
4473         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4474         Include thumb2.md.
4475         (UNSPEC_STACK_ALIGN, ce_count): New.
4476         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4477         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4478         insns/expanders.
4479         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4480         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4481         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4482         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4483         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4484         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4485         insns.
4486         * doc/extend.texi: Document ARMv7-M interrupt functions.
4487         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4488
4489 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4490
4491         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4492         (struct _Unwind_Context): Rename args_size to flags, remove
4493         signal_frame field, add a new args_size field and version field.
4494         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4495         _Unwind_IsExtendedContext): New inline functions.
4496         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4497         Assume by_value array is only present if _Unwind_IsExtendedContext.
4498         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4499         _Unwind_IsSignalFrame.
4500         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4501         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4502         (uw_init_context_1): Initialize context->flags to
4503         EXTENDED_CONTEXT_BIT.
4504         * config/rs6000/linux-unwind.h (frob_update_context): Use
4505         _Unwind_SetSignalFrame.
4506
4507 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4508
4509         PR middle-end/30353
4510         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4511         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4512         the value.
4513
4514 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4515
4516         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4517         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4518         RET, AT_SP): Remove.
4519         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4520         instead of RET.
4521
4522         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4523         * cfgbuild.c (find_basic_blocks): Likewise.
4524         * cfgrtl.c (rtl_create_basic_block): Likewise.
4525         * function.c (temp_slots_at_level): Likewise.
4526         * reg-stack.c (stack_regs_mentioned): Likewise.
4527         * regclass.c (allocate_reg_info): Likewise.
4528         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4529         set_bb_for_stmt, move_block_to_fn): Likewise.
4530         * tree-complex.c (tree_lower_complex): Likewise.
4531         * vec.h (VEC_safe_grow_cleared): New.
4532
4533         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4534
4535 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4536
4537         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4538         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4539         to loop_version.
4540         * cfgloopmanip.c (scale_loop_frequencies): Export.
4541         (loopify): Scale the frequencies by prescribed coefficients.
4542         (set_zero_probability): New function.
4543         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4544         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4545         and frequencies according to arguments.
4546         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4547         correctly.
4548         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4549         * modulo-sched.c (sms_schedule): Set probabilities for entering
4550         versioned loop correctly.
4551         * tree-vect-transform.c (vect_transform_loop): Ditto.
4552         * cfgloop.h (loopify, loop_version): Declaration changed.
4553         (scale_loop_frequencies): Declared.
4554
4555 2007-01-02  Jan Hubicka  <jh@suse.cz>
4556
4557         * cgraph.c: Include tree-flow.h
4558         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4559         early_local_passes.
4560         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4561         * tree-pass.h (pass_all_early_optimizations): Declare.
4562         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4563         early_local_passes.
4564         (cgraph_analyze_function): Do early_local_passes.
4565         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4566         Do not add referenced vars.
4567         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4568         SSA form.
4569         (gate_all_early_local_passes): New gate.
4570         (pass_early_local_passes): Use new gate.
4571         (execute_early_local_optimizations): New functions.
4572         (gate_all_early_optimizations): New gate.
4573         (pass_all_early_optimizations): New pass.
4574         (execute_free_datastructures): Free SSA only when initialized.
4575         (gate_init_datastructures): Init only when optimizing.
4576         (tree_lowering_passes): Do early local passes when called late.
4577         * tree-profile.c (do_tree_profiling): Don't profile functions added
4578         late.
4579         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4580         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4581         not active.
4582         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4583         during early_local_passes.
4584         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4585
4586
4587 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4588
4589         * Makefile.in: Update copyright year.
4590
4591 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4592
4593         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4594         in $(lang_checks) and check-consistency targets.
4595
4596 2007-01-02  Jan Hubicka  <jh@suse.cz>
4597
4598         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4599         Do not add referenced vars.
4600         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4601         are not active.
4602         * passes.c (init_optimization_passes): Put mudflap_2 after
4603         free_datastructures.
4604
4605 2007-01-02  Jan Hubicka  <jh@suse.cz>
4606
4607         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4608         Set NOTHROW flag on call statements proved to be nothrow.
4609         Update statement of local calls so new pure/const functions are
4610         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4611         goto receivers.
4612         (tree_rest_of_compilation): Register hooks and initialize bitmap
4613         early. Do not set after_inlining flag.
4614
4615 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4616
4617         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4618         HOST_BITS_PER_LONGLONG
4619
4620 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4621
4622         PR c/19977
4623         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4624         warning for non-static initializers.
4625
4626 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4627
4628         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4629         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4630         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4631         Always use set_unique_reg_note to add REG_EQUAL notes.
4632
4633 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4634
4635         Revert:
4636         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4637
4638         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4639         * cfgbuild.c (find_basic_blocks): Likewise.
4640         * cfgrtl.c (rtl_create_basic_block): Likewise.
4641         * function.c (temp_slots_at_level): Likewise.
4642         * reg-stack.c (stack_regs_mentioned): Likewise.
4643         * regclass.c (allocate_reg_info): Likewise.
4644         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4645         set_bb_for_stmt, move_block_to_fn): Likewise.
4646         * tree-complex.c (tree_lower_complex): Likewise.
4647         * vec.h (VEC_safe_grow_cleared): New.
4648
4649 2007-01-02  Ian Lance Taylor  <iant@google.com>
4650
4651         * c-common.c (c_common_truthvalue_conversion): When warning about
4652         using an assignment as a truth value, set TREE_NO_WARNING.
4653
4654 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4655
4656         PR middle-end/7651
4657         * c.opt (Wold-style-declaration): New.
4658         * doc/invoke.texi (C-only Warning Options): New.
4659         (Wold-style-declaration): Document it.
4660         (Wextra): Enabled by -Wextra.
4661         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4662         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4663         -Wold-style-declaration.
4664
4665 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4666
4667         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4668         * cfgbuild.c (find_basic_blocks): Likewise.
4669         * cfgrtl.c (rtl_create_basic_block): Likewise.
4670         * function.c (temp_slots_at_level): Likewise.
4671         * reg-stack.c (stack_regs_mentioned): Likewise.
4672         * regclass.c (allocate_reg_info): Likewise.
4673         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4674         set_bb_for_stmt, move_block_to_fn): Likewise.
4675         * tree-complex.c (tree_lower_complex): Likewise.
4676         * vec.h (VEC_safe_grow_cleared): New.
4677
4678 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4679
4680         * c-common.c (c_common_nodes_and_builtins): Since variants of
4681         void_type_node get built before it is given a name, we need to
4682         give those variants the name, too.
4683         (complete_array_type): We need to work with the canonical main
4684         type of the array, from which we will build the qualified version.
4685         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4686         * print-tree.c (print_node): Display canonical type information
4687         for each type.
4688         * stor-layout.c (layout_type): When we don't know the
4689         alignment of a type for which we're building an array, we end up
4690         guessing wrong, so make the type require structural equality.
4691         * tree.c (make_node_stat): When we build a new type, it is its
4692         own canonical type.
4693         (build_type_attribute_qual_variant): When building an attribute
4694         variant, its canonical type is the non-attribute variant. However,
4695         if the attributes are target-dependent and they differ, we need to
4696         use structural equality checks for this type.
4697         (build_qualified_type): A qualified type is not equivalent to its
4698         unqualified variant; set the canonical type appropriately.
4699         (build_distinct_type_copy): When building a distinct type from
4700         another type, the new type is its own canonical type.
4701         (build_variant_type_copy): When building a new type variant, we
4702         assume that it is equivalent to the original type.
4703         (build_pointer_type_for_mode): When building a pointer type, also
4704         build a canonical type pointer.
4705         (build_reference_type_for_mode): When building a reference type,
4706         also build a canonical type reference.
4707         (build_index_type): When we can't hash an index type (e.g.,
4708         because its maximum value is negative), the index type requires
4709         structural equality tests.
4710         (build_array_type): Build the canonical form of an array type.
4711         (build_function_type): Function types require structural equality,
4712         because they contain default arguments, attributes, etc.
4713         (build_method_type_directly): Ditto for method types.
4714         (build_offset_type): Build the canonical offset type.
4715         (build_complex_type): Build the canonical vector type.
4716         (make_vector_type): Build the canonical vector type.
4717         * tree.h (TYPE_CANONICAL): New.
4718         (TYPE_STRUCTURAL_EQUALITY_P): New.
4719         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4720         (struct tree_type): Added "canonical" field.
4721         * params.h (VERIFY_CANONICAL_TYPES): New.
4722         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4723         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4724         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4725         * doc/invoke.texi (verify-canonical-types): Document --param
4726         parameter for verifying canonical types.
4727
4728 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4729
4730         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4731         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4732         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4733         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4734         tm_file.
4735         * config/rs6000/e500.h: New.
4736         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4737         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4738         Remove.
4739         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4740         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4741         TARGET_E500_DOUBLE): Remove.
4742         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4743         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4744         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4745         * config/rs6000/rs6000.c (rs6000_override_options): Use
4746         CHECK_E500_OPTIONS.
4747
4748 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4749
4750         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4751         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4752         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4753         rs6000_emit_cmove): Don't check TARGET_E500.
4754         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4755         sordered): Don't check TARGET_E500.
4756
4757 2007-01-01  Eric Christopher  <echristo@apple.com>
4758
4759         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4760         HARD_REGISTER_NUM_P.
4761
4762 2007-01-01  Roger Sayle  <roger@eyesopen.com>
4763
4764         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4765         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4766         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4767         eq/ne Y".
4768
4769 2007-01-01  Mike Stump  <mrs@apple.com>
4770
4771         * configure.ac: Remove support for building with Apple's gcc-3.1.
4772
4773 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4774
4775         PR middle-end/30311
4776         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4777         REG is a hard register.  Do not modify REG before calling
4778         subreg_nregs.
4779         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4780         multiple of the size of YMODE for certain lowpart cases.
4781
4782 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4783
4784         PR middle-end/30253
4785         * gimplify (voidify_wrapper_expr): Update for
4786         GIMPLE_MODIFY_STMT.
4787
4788 2007-01-01  Andreas Schwab  <schwab@suse.de>
4789
4790         PR target/29166
4791         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4792         save of BR0 in extra_spill_size instead of spill_size.
4793         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4794         area.
4795         (ia64_expand_epilogue): Restore BR0 from its new location.
4796
4797 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4798
4799         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4800         Use a temporary variable if the left hand side is not a gimple
4801         register.
4802
4803 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4804
4805         * gimplify.c (gimplify_return_expr): Make the temporary variable
4806         for the return expression, a gimple register variable.
4807
4808 2007-01-01  Jan Hubicka  <jh@suse.cz>
4809
4810         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4811         INSN_LIST.
4812
4813 2007-01-01  Mike Stump  <mrs@apple.com>
4814
4815         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4816         .literal16.
4817         * config/darwin.c (machopic_select_rtx_section): Use
4818         HAVE_GAS_LITERAL16.
4819         (darwin_mergeable_constant_section): Likewise.
4820         * configure: Regenerate.
4821         * config.in: Regenerate.
4822
4823 2007-01-01  Jan Hubicka  <jh@suse.cz>
4824             Andrew Pinski  <pinskia@gmail.com>
4825
4826         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4827         before starting IPA passes.