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PR target/29487
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2
3         PR target/29487
4         * tree.h (DECL_REPLACEABLE_P): New macro.
5         * except.c (set_nothrow_function_flags): Likewise.
6
7 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8             Ira Rosen  <irar@il.ibm.com>
9             Dorit Nuzman  <dorit@il.ibm.com>
10
11         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
12         * targhooks.c (default_builtin_vectorized_conversion): New.
13         * targhooks.h (default_builtin_vectorized_function): New declaration.
14         * target.h (struct vectorize): Add builtin_conversion field.
15         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
16         stmt_vec_info_type value.
17         (vectorizable_conversion): New declaration.
18         * tree-vect-analyze.c (vect_analyze_operations): Add
19         vectorizable_conversion call.
20         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
21         * tree-vect-transform.c (vectorizable_conversion): New function.
22         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
23         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
24         mode.
25         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
26         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
27         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX or
28         ALTIVEC_BUILTIN_VCFSX.
29
30 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31
32         PR target/30634
33         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
34         CONST_DOUBLE and operand 0 is a hard register.
35         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
36         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
37         is a hard floating-point register.
38
39 2007-02-10  Richard Henderson  <rth@redhat.com>
40             Jakub Jelinek  <jakub@redhat.com>
41             Alexandre Oliva  <aoliva@redhat.com>
42
43         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
44         * builtin-types.def (BT_WORD): Make unsigned.
45         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
46         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
47         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
48         * c-decl.c (grokdeclarator): Don't error if !have_tls.
49         * c-parser.c (c_parser_omp_threadprivate): Likewise.
50         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
51         emulated tls.
52         * expr.c (emutls_var_address): New.
53         (expand_expr_real_1): Expand emulated tls.
54         (expand_expr_addr_expr_1): Likewise.
55         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
56         * output.h (emutls_finish): Declare.
57         * toplev.c (compile_file): Call it.
58         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
59         address before wrapping in CONST.
60         * varasm.c (emutls_htab, emutls_object_type): New.
61         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
62         (get_emutls_object_name, get_emutls_object_type): New.
63         (get_emutls_init_templ_addr, emutls_decl): New.
64         (emutls_common_1, emutls_finish): New.
65         (assemble_variable): When emulating tls, swap decls; generate
66         constructor for the emutls objects.
67         (do_assemble_alias): When emulating tls, swap decl and target name.
68         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
69         for emulated tls.
70         * varpool.c (decide_is_variable_needed): Look at force_output.
71         Recurse for emulated tls.
72         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
73         with decide_is_variable_needed.
74         * emutls.c: New file.
75         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
76         tls_object for real tls.
77
78 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
79
80         PR rtl-optimization/29599
81         * reload1.c (eliminate_regs_in_insn): Take the destination
82         mode into account when computing the offset.
83
84 2007-02-09  Stuart Hastings  <stuart@apple.com>
85             Richard Henderson  <rth@redhat.com>
86
87         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
88         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
89         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
90         fixuns_truncdfhi2): New.
91         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
92         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
93         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
94         (floatunssidf2): Allow nonimmediate source.
95         * gcc/config/i386/sse.md (movdi_to_sse): New.
96         (vec_concatv2di): Drop '*'.
97         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
98         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
99         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
100         New.
101         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
102         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
103         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
104         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
105         (ix86_build_signbit_mask): Fix decl of v, refactor to call
106         ix86_build_const_vector.
107         (x86_emit_floatuns): Rewrite.
108
109 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
110
111         * genautomata.c (longest_path_length): Delete unused function.
112         (struct state): Delete unused longest_path_length.
113         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
114         (get_free_state): Delete unused.
115         
116 2007-02-09  Jan Hubicka  <jh@suse.cz>
117
118         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
119         * doc/invoke.texi (inline-unit-growth): Update default value.
120
121         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
122         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
123         (rebuild_cgraph_edges): Likewise.
124         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
125         (dump_cgraph_node): Dump frequencies.
126         (cgraph_clone_edge): Add frequency scales.
127         (cgraph_clone_node): Add freuqnecy.
128         * cgraph.h (cgraph_edge): Add freuqnecy argument.
129         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
130         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
131         * tree-pass.h (TODO_rebuild_frequencies): New constant.
132         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
133         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
134         (save_inline_function_body): Likewise.
135         * ipa-inline.c: inluce rtl.h
136         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
137         (cgraph_edge_badness): Use frequencies.
138         (cgraph_decide_recursive_inlining): Update clonning.
139         (cgraph_decide_inlining_of_small_function): Dump frequency.
140         * predict.c (estimate_bb_frequencies): Export.
141         * predict.h (estimate_bb_frequencies): Declare.
142         * tree-inline.c (copy_bb): Watch overflows.
143         (expand_call_inline): Update call of cgraph_create_edge.
144         (optimize_inline_calls): Use TODO flags to update frequnecies.
145         * passes.h: Include predict.h
146         (init_optimization_passes): Move profile ahead.
147         (execute_function_todo): Handle TODO_rebuild_frequencies.
148
149 2007-02-09  Roger Sayle  <roger@eyesopen.com>
150
151         * config/alpha/alpha.c (emit_insxl): Force the first operand of
152         the insbl or inswl pattern into a register.
153
154 2007-02-09  Roger Sayle  <roger@eyesopen.com>
155
156         * config/ia64/ia64.md (bswapdi2): New define_insn.
157
158 2007-02-09  Richard Henderson  <rth@redhat.com>
159
160         * config/i386/constraints.md (Ym): New constraint.
161         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
162         (movdi_1_rex64): Split sse and xmm general register moves from
163         memory move alternatives.  Use conditional register constraints.
164         (movsf_1, movdf_integer): Likewise.
165         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
166         (movdf_integer_rex64): New.
167         (pushsf_rex64): Fix output constraints.
168         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
169         (sse2_stored): Likewise.
170         (sse2_storeq_rex64): New.
171         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
172         amd and not generic.
173         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
174         for optimize_size.  Remove SF/DFmode hack.
175
176 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
177
178         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
179         (bit_SSE4a): New.
180
181 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
182             Richard Sandiford  <richard@codesourcery.com>
183
184         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
185         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
186         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
187         m68k/t-mlib to tmake_file.
188         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
189         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
190         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
191         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
192         variable is not empty, add t-$m68k_arch_family to tmake_file.
193         Add t-mlibs to tmake_file.
194         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
195         * config/m68k/t-cf: New file.
196         * config/m68k/t-m68k: Likewise.
197         * config/m68k/t-mlibs: Likewise.
198         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
199         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
200         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
201         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
202         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
203         Delete.
204         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
205         (INSTALL_LIBGCC): Delete.
206         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
207         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
208         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
209         (M68K_MLIB_CPU): Define.
210         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
211         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
212         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
213
214 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
215             Richard Guenther  <rguenther@suse.de>
216
217         PR middle-end/23361
218         * fold-const.c (fold_comparison): Handle obfuscated comparisons
219         against INT_MIN/INT_MAX.
220         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
221         file if a loop is removed.
222
223 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
224
225         * calls.c (store_one_arg): Pass correct alignment to
226         emit_push_insn for non-BLKmode values.
227         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
228         unaligned stack slot via a suitably aligned slot.
229
230 2007-02-08  DJ Delorie  <dj@redhat.com>
231
232         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
233         warnings.
234         (legal_subregs): Use unsigned char, make const.
235         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
236
237 2007-02-08  Paul Brook  <paul@codesourcery.com>
238
239         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
240         special interworking needed.
241
242 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
243
244         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
245         conditional to __SSE2__.
246         (Entries below should have been added to first ChangeLog
247         entry for amdfam10 dated 2007-02-05)
248         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
249         defined.
250         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
251         defined.
252         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
253         defined.
254
255 2007-02-08  DJ Delorie  <dj@redhat.com>
256
257         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
258         * config/m32c/m32c.c (legal_subregs): New.
259         (m32c_illegal_subreg_p): New.
260         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
261         unsupported subregs of hard regs.
262
263 2007-02-08  Jan Hubicka  <jh@suse.cz>
264
265         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
266         the same one; always update histograms.
267
268 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
269
270         * passes.c (init_optimization_passes): Tidy comment.
271
272 2007-02-08  Roger Sayle  <roger@eyesopen.com>
273
274         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
275         strip zero_extend, bswap and rotates from POCOUNT's argument.
276         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
277         zero_extend and rotates from PARITY's argument.
278         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
279         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
280         of an integer constant at compile-time.
281
282 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
283
284         PR 30562
285         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
286         Update all users.
287         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
288         users.
289         (init_alias_info):
290         * tree-ssa-live.c (remove_unused_locals): Do not remove
291         TREE_ADDRESSABLE variables.
292         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
293         * tree-ssa-operands.c (add_virtual_operand): Remove argument
294         FOR_CLOBBER.  Update all users.
295         If VAR has an associated alias set, add a virtual operand for
296         it if no alias is found to conflict with the memory reference.
297
298 2007-02-07  Jan Hubicka  <jh@suse.cz>
299             Robert Kidd <rkidd@crhc.uiuc.edu>
300
301         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
302
303 2007-02-07  Ian Lance Taylor  <iant@google.com>
304
305         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
306
307 2007-02-07  Roger Sayle  <roger@eyesopen.com>
308
309         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
310         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
311         tablejumpdi, movsi_to_cr_one): Remove constraints from
312         define_expand's match_operands.
313
314 2007-02-07  Roger Sayle  <roger@eyesopen.com>
315
316         * global.c (compute_regsets): Move declatation of "i" inside of
317         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
318
319 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
320
321         PR c++/30703
322         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
323         of INDIRECT_REF <RESULT_DECL>.
324
325         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
326
327 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
328             Kaz Kojima  <kkojima@gcc.gnu.org>
329
330         PR target/29746
331         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
332         properly.
333         (sh_initialize_trampoline): Add parentheses to avoid a warning.
334
335 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
336
337         * doc/loop.texi: Document possibility not to perform disambiguation
338         of loops with multiple latches.
339         * cfgloopmanip.c (alp_enum_p): Removed.
340         (add_loop): Handle subloops.  Use get_loop_body_with_size.
341         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
342         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
343         the new forwarder block.
344         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
345         Handle the case latch is NULL.
346         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
347         when marking loop exits.
348         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
349         be modified.
350         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
351         disambiguate_loops_with_multiple_latches.
352         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
353         before fix_loop_structure.
354         * cfgloop.c: Include pointer-set.h and output.h.
355         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
356         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
357         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
358         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
359         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
360         disambiguate_multiple_latches, get_loop_body_with_size,
361         disambiguate_loops_with_multiple_latches): New functions.
362         (flow_loop_dump): Dump multiple latch edges.
363         (flow_loop_nodes_find): Handle loops with multiple latches.
364         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
365         (glb_enum_p): Modified.
366         (get_loop_body): Use get_loop_body_with_size.
367         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
368         (AVOID_CFG_MODIFICATIONS): New constant.
369         (disambiguate_loops_with_multiple_latches, add_loop,
370         get_loop_body_with_size): Declare.
371         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
372
373 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
374
375         PR inline-asm/28686
376         * global.c (compute_regsets): New function.
377         (global_alloc): Refactored ELIMINABLE_REGSET
378         and NO_GLOBAL_ALLOC_REGS computation out.
379         (rest_of_handle_global_alloc): Call compute_regsets()
380         for non-optimizing case.
381
382 2007-02-06  Richard Henderson  <rth@redhat.com>
383
384         * config/i386/constraints.md (Y2): Rename from Y.
385         (Yi): New constraint.
386         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
387         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
388         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
389         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
390         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
391         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
392         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
393         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
394         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
395         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
396         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
397         vec_extractv2si_1): Change Y constraints to Y2.
398         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
399         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
400         Change Y constraints to Y2.
401         (sse2_loadld): Change Y constraints to x.
402
403 2007-02-06  Roger Sayle  <roger@eyesopen.com>
404
405         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
406         (parity<mode>2): New define_expand using rs6000_emit_parity.
407         * config/rs6000/rs6000.c (rs6000_emit_popcount,
408         rs6000_emit_parity): New functions.
409         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
410         rs6000_emit_parity): Prototype here.
411
412 2007-02-06  Ian Lance Taylor  <iant@google.com>
413
414         * lower-subreg.c (simple_move_operand): Reject CONST.
415         (resolve_clobber): Call validate_change rather than directly
416         assigning to XEXP (pat, 0).
417
418 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
419
420         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
421         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
422         (tree-cfg.o): Remove hashtab.h dependency.
423
424         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
425         (struct ivopts_data): Change niters to pointer_map_t.
426         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
427         (niter_for_exit): Create pointer_map on demand.  Change for
428         pointer_map API.
429         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
430         (free_loop_data): Destroy data->niters if created and reset field.
431         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
432         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
433
434         * tree-ssa-reassoc.c: Include pointer-set.h.
435         (bb_rank): Change to long *.
436         (operand_rank): Change to pointer_map_t.
437         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
438         (insert_operand_rank): Accept long.
439         (operand_entry_hash, operand_entry_eq): Remove.
440         (get_rank): Return long.  Adjust for changes above.
441         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
442         and operand_rank.
443         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
444
445         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
446         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
447         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
448         is not NULL.
449         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
450         directly since it cannot be NULL.
451         (get_vi_for_tree): Rewrite for pointer_map API.
452         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
453         (init_alias_vars): Create vi_for_tree as pointer_map.
454         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
455
456         * tree-cfg.c: Don't include hashtab.h.
457         (edge_to_cases): Declare as pointer_map.
458         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
459         Delete.
460         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
461         (start_recording_case_labels): Create edge_to_cases as pointer_map.
462         (end_recoding_case_labels): Cleanup edge_to_cases manually before
463         destroying it.
464         (record_switch_edge): Delete.
465         (get_cases_for_edge): Adjust for pointer_map API, inline
466         record_switch_edge (rewritten for new API), remove goto.
467
468 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
469
470         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
471         * tree-nested.c: Include pointer-set.h.
472         (var_map_elt, var_map_eq, var_map_hash): Delete.
473         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
474         to pointer_map_t's.
475         (nesting_info_bitmap_obstack): New.
476         (lookup_field_for_decl): Adjust for pointer_map API.
477         (lookup_tramp_for_decl): Adjust for pointer_map API.
478         (get_nonlocal_debug_decl): Adjust for pointer_map API.
479         (get_local_debug_decl): Adjust for pointer_map API.
480         (convert_nl_goto_reference): Adjust for pointer_map API.
481         (convert_nl_goto_receiver): Adjust for pointer_map API.
482         (create_nesting_tree): Create outside GGC space.  Create bitmap on
483         the new obstack.  Create field_map and var_map as pointer_maps.
484         (free_nesting_tree): Adjust for changes to create_nesting_tree.
485         (root): Delete. 
486         (lower_nested_functions): Move root here, no need to NULL it.
487         Initialize and release the obstack.
488
489 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
490
491         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
492         Remove prototypes and make them non-static.
493         (struct tree_int_map): Remove.
494         * tree.h (struct tree_int_map): Move here, turning TO into an
495         unsigned int.
496         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
497
498         * tree.h (TREE_COMPLEXITY): Remove.
499         (struct tree_exp): Remove complexity field.
500         * tree.c (build1_stat): Don't set it.
501
502 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
503             Victor Kaplansky  <victork@il.ibm.com>
504
505         * tree-vectorizer.c (vect_is_simple_use): Support induction.
506         (vect_is_simple_reduction): Support reduction with induction as
507         one of the operands.
508         (vect_is_simple_iv_evolution): Fix formatting.
509         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
510         formatting.  Don't mark induction phis for vectorization.
511         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
512         * tree-vect-transform.c (get_initial_def_for_induction): New function.
513         (vect_get_vec_def_for_operand): Support induction.
514         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
515         induction case.
516         (vectorizable_reduction): Support reduction with induction as one of 
517         the operands. 
518         (vectorizable_type_demotion): Use def-type of stmt argument rather
519         than dummy def-type.
520
521         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
522         flag_tree_scev_cprop.
523         * common.opt (tree-scev-cprop): New flag.
524
525         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
526         call to vect_get_new_vect_var.
527
528 2007-02-06  Ira Rosen  <irar@il.ibm.com>
529
530         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
531         vectype is not NULL.
532         (vect_pattern_recog_1): Likewise.
533
534 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
535
536         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
537         (fold_negate_expr): Likewise.
538
539 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
540
541         PR debug/30189
542         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
543         even if cv-qualification is the same.
544
545 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
546
547         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
548         __enable_execute_stack on completion.
549
550 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
551
552         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
553         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
554         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
555         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
556         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
557         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
558         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
559         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
560
561 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
562
563         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
564         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
565         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
566         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
567         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
568         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
569         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
570         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
571         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
572         umuldi3_highpart_rex64, umulsi3_highpart_insn,
573         umulsi3_highpart_zext, smuldi3_highpart_rex64,
574         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
575         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
576         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
577         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
578         sqrtextenddfxf2_i387): Added amdfam10_decode.
579         
580         * config/i386/athlon.md (athlon_idirect_amdfam10,
581         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
582         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
583         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
584         athlon_ivector_store_amdfam10): New define_insn_reservation.
585         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
586         amdfam10.
587
588 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
589
590         * config/i386/athlon.md (athlon_call_amdfam10,
591         athlon_pop_amdfam10, athlon_lea_amdfam10): New
592         define_insn_reservation.
593         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
594         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
595         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
596
597 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
598
599         * config/i386/athlon.md (athlon_sseld_amdfam10,
600         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
601         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
602
603 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
604
605         * config/i386/athlon.md (athlon_sseins_amdfam10): New
606         define_insn_reservation.
607         * config/i386/i386.md (sseins): Added sseins to define_attr type
608         and define_attr unit.
609         * config/i386/sse.md: Set type attribute to sseins for insertq
610         and insertqi.
611
612 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
613
614         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
615         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
616         ssecomi_load_amdfam10, ssecomi_amdfam10,
617         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
618         define_insn_reservation.
619         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
620
621 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
622
623         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
624         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
625         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
626         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
627         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
628         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
629         define_insn_reservation.
630
631         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
632         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
633         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
634         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
635         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
636
637 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
638
639         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
640         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
641         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
642         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
643         athlon_ssemul_load_k8): Added amdfam10.
644
645 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
646
647         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
648         (x86_sse_unaligned_move_optimal): New variable.
649         
650         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
651         m_AMDFAM10.
652         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
653         for unaligned vector SSE double/single precision loads for AMDFAM10.
654
655 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
656
657         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
658         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
659         Define TARGET_CPU_DEFAULT_amdfam10.
660         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
661         (processor_type): Add PROCESSOR_AMDFAM10.       
662         
663         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
664         processor_type in config/i386/i386.h.
665         Enable imul peepholes for TARGET_AMDFAM10.
666         
667         * config.gcc: Add support for --with-cpu option for amdfam10.
668         
669         * config/i386/i386.c (amdfam10_cost): New variable.
670         (m_AMDFAM10): New macro.
671         (m_ATHLON_K8_AMDFAM10): New macro.
672         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
673         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
674         x86_promote_QImode, x86_integer_DFmode_moves,
675         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
676         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
677         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
678         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
679         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
680         Enable/disable for amdfam10.
681         (override_options): Add amdfam10_cost to processor_target_table.
682         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
683         processor_alias_table.
684         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
685         (ix86_adjust_cost): Add code for amdfam10.
686
687 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
688         
689         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
690         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
691         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
692         * config/i386/i386.h: Add builtin definition for SSE4A.
693         * config/i386/i386.md: Add support for ABM instructions 
694         (popcnt and lzcnt).
695         * config/i386/sse.md: Add support for SSE4A instructions
696         (movntss, movntsd, extrq, insertq).
697         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
698         Add -march=amdfam10 flag.
699         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
700         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
701         and amdfam10.
702         * doc/extend.texi: Add documentation for SSE4A builtins.
703
704 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
705
706         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
707
708 2007-02-05  Richard Guenther  <rguenther@suse.de>
709
710         * tree-vectorizer.h (vectorizable_function): Add argument type
711         argument, change return type.
712         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
713         * tree-vect-transform.c (vectorizable_function): Handle extra
714         argument, return vectorized function decl.
715         (build_vectorized_function_call): Remove.
716         (vectorizable_call): Handle calls with result and argument types
717         differing.  Handle loop vectorization factor correctly.
718         * targhooks.c (default_builtin_vectorized_function): Adjust for
719         extra argument.
720         * targhooks.h (default_builtin_vectorized_function): Likewise.
721         * target.h (builtin_vectorized_function): Add argument type
722         argument.
723         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
724         extra argument, allow vectorizing of lrintf.
725         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
726         documentation of target hook.
727
728 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
729
730         PR target/30665
731         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
732         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
733         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
734
735 2007-02-05  Roger Sayle  <roger@eyesopen.com>
736
737         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
738         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
739         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
740         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
741         before canonicalizing sincos to cexpi.
742         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
743
744 2007-02-05  Roger Sayle  <roger@eyesopen.com>
745
746         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
747         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
748         (alpha_init_builtins): Use alpha_add_builtins to process tables.
749
750 2007-02-05  Roger Sayle  <roger@eyesopen.com>
751
752         * mips-tfile.c (initialize_init_file): Correct endianness test.
753
754 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
755
756         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
757         the 'y' constraint.
758
759 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
760
761         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
762         saves in a PARALLEL before the register assignments.
763
764 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
765
766         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
767         DWARF_FRAME_RETURN_COLUMN to be a general register.
768         * dwarf2out.c (init_return_column_size): New function, split from...
769         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
770         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
771         to be nongeneral registers.
772         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
773         integer registers.
774         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
775         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
776
777 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
778
779         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
780
781 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
782
783         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
784         (remove_path): Use can_remove_branch_p and remove_branch instead
785         of loop_delete_branch_edge.
786         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
787         (tree_transform_and_unroll_loop): Remove dead branches immediately.
788         Update profile using scale_dominated_blocks_in_loop.
789         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
790         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
791         (can_remove_branch_p, remove_branch): Declare.
792         * tree-cfg.c (tree_can_remove_branch_p): New function.
793         (tree_cfg_hooks): Add tree_can_remove_branch_p.
794         * cfgrtl.c (rtl_can_remove_branch_p): New function.
795         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
796
797 2007-02-05  Jan Hubicka  <jh@suse.cz>
798
799         PR middle-end/30696
800         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
801         nodes in cgraph, don't remove offline copy of the function.
802
803 2007-02-04  Jan Hubicka  <jh@suse.cz>
804
805         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
806         vectors might cause maybe_lookup_element_for_expr to be called
807         on non-sra-candidate.
808
809 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
810
811         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
812         config/bfin/bfin.md, config/bfin/predicates.md: Follow
813         spelling conventions.
814
815 2007-02-04  Richard Guenther  <rguenther@suse.de>
816
817         PR middle-end/30636
818         * fold-const.c (try_move_mult_to_index): Make sure to not
819         overflow one dimension of a multi-dimensional array access.
820
821 2007-02-04  Jan Hubicka  <jh@suse.cz>
822
823         * passes.c (init_optimization_passes): Reindent.
824
825 2007-02-04  Jan Hubicka  <jh@suse.cz>
826             Eric Botcazou  <ebotcazou@adacore.com>
827
828         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
829         (execute_fixup_cfg): Break out the abnormal goto code.
830         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
831         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
832         (optimize_inline_calls): Call make_nonlocal_label_edges.
833
834 2007-02-04  Jan Hubicka  <jh@suse.cz>
835
836         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
837         true when something was changed.
838         (rename_ssa_copies): When something was changed, do
839         TODO_remove_unused_locals.
840         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
841         add TODO_remove_unused_locals when instruction was removed.
842
843 2007-02-04  Jan Hubicka  <jh@suse.cz>
844
845         * ipa-inline.c (try_inline): Improve debug output; work on already
846         inline edges too.
847         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
848         call try_inline for already inlined edges too when flattening; 
849         inline also functions that make callee growth but overall unit size
850         reduce.
851
852 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
853
854         * config/m32c/bitops.md, config/m32c/jump.md,
855         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
856         config/m32r/m32r.h, config/m32r/m32r.md,
857         config/m32r/predicates.md, config/m68hc11/larith.asm,
858         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
859         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
860         config/mips/mips-protos.h, config/mips/mips.c,
861         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
862         config/mn10300/mn10300.h, config/mn10300/predicates.md,
863         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
864         spelling conventions.
865
866         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
867         Follow spelling conventions.
868
869 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
870
871        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
872        warn about C++0x compatibility.
873         
874 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
875
876         * config/h8300/h8300.c, config/h8300/h8300.h,
877         config/h8300/h8300.md: Follow spelling conventions.
878
879 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
880
881         PR middle-end/30667
882         * combine.c (try_combine): Do not substitute source operand
883         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
884
885 2007-02-03  Jan Hubicka  <jh@suse.cz>
886
887         PR gcov-profile/30650
888         * value-prof.c (stringop_block_profile): Fix handling of size counter;
889         do not divide by zero for never executed counters.
890         (tree_find_values_to_profile): Fix counters.
891         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
892
893 2007-02-03  Ian Lance Taylor  <iant@google.com>
894
895         * lower-subreg.c (simple_move_operand): New static function,
896         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
897         operands.
898         (simple_move): Call simple_move_operand.
899         (find_decomposable_subregs): Add special handling of MEMs.
900         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
901         meaning of return value.  If we see a hard register, test whether
902         it can store a word_mode value.  Change all callers.
903
904 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
905
906         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
907         ftrapv insns and expanders.
908         (subdi3): Change define_expand operand 1 to arith11_operand, and
909         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
910         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
911         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
912         respectively.
913
914         PR middle-end/30174
915         * varasm.c (notice_global_symbol): Treat global objects as weak when
916         flag_shlib is true.
917
918 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
919
920         * emit-rtl.c (dconstpi): Delete.
921         (dconstsqrt2): New.
922         (init_emit_once): Delete dconstpi and init dconstsqrt2.
923         * real.h (dconstpi): Delete.
924         (dconstsqrt2): New.
925         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
926         (fold_builtin_hypot): Likewise.
927
928 2007-02-03  Tom Tromey  <tromey@redhat.com>
929
930         PR driver/30246
931         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
932         -gcoff3, -gxcoff3, -gvms3 implies -dD.
933
934 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
935
936         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
937         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
938         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
939         config/rs6000/cell.md, config/rs6000/darwin.h,
940         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
941         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
942         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
943         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
944         typos.  Follow spelling conventions.
945         * doc/invoke.texi: Follow spelling conventions.
946
947 2007-02-03  Roger Sayle  <roger@eyesopen.com>
948
949         * simplify-rtx.c (simplify_relational_operation_1): Implement some
950         canonicalization transformations that attempt to simplify integer
951         constant comparisons to become comparisons against zero.
952
953 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
954
955         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
956         fabs(x)*sqrt(2).
957         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
958         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
959
960 2007-02-02  Mike Stump  <mrs@apple.com>
961
962         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
963         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
964         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
965         generate a branch island.
966
967 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
968
969         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
970         (xtensa_legitimate_address_p): New.
971         (xtensa_legitimize_address): New.
972         (xtensa_output_addr_const_extra): New.
973         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
974         (BASE_REG_P): New.
975         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
976         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
977         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
978         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
979         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
980         (xtensa_legitimize_address): New.
981         (xtensa_output_addr_const_extra): New.
982
983 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
984
985         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
986
987 2007-02-02  Ian Lance Taylor  <iant@google.com>
988
989         * expmed.c (expand_divmod): Add comment.
990
991 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
992
993         * emit-rtl.c (renumber_insns): Remove.
994         * flags.h: Remove the extern for flag_renumber_insns.
995         * rtl.h: Remove the prototype for renumber_insns.
996         * toplev.c (flag_renumber_insns): Remove.
997
998 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
999
1000         Revert for x86 darwin:
1001         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1002         
1003         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1004         code before the following patch under TARGET_MACHO.
1005         (ix86_function_value_regno_p): Likewise.
1006
1007 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1008
1009         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1010         COMPLEX_EXPR.
1011
1012 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1013
1014         PR target/29682
1015         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1016         general or fp registers.  Add comments.
1017         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1018
1019 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
1020
1021         * pointer-set.c (insert_aux): Only return insertion slot.
1022         (pointer_set_insert): Adjust.
1023         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1024         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1025         pointer_map_traverse): New.
1026         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1027         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
1028         pointer_map_contains, pointer_map_traverse): Declare.
1029
1030 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
1031
1032         PR middle-end/30473
1033         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1034         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
1035
1036 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1037
1038         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1039         
1040         (struct _dep): New type.
1041         (dep_t): New typedef.
1042         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1043         (DEP_STATUS): New access macro.  The macro with the same name was
1044         renamed to DEP_LINK_STATUS.
1045         (dep_init): Declare function
1046
1047         (struct _dep_link): New type.
1048         (dep_link_t): New typedef.
1049         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1050         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1051         (DEP_LINK_STATUS): New macro.
1052         (debug_dep_links): New debug function.
1053
1054         (struct _deps_list): New type.
1055         (deps_list_t): New typedef.
1056         (DEPS_LIST_FIRST): New access macro.
1057         (FOR_EACH_DEP_LINK): New cycle macro.
1058         (create_deps_list, free_deps_list, delete_deps_list): Declare
1059         functions.
1060         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1061         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1062         (copy_deps_list_change_con): Ditto.
1063
1064         (move_dep_link): Declare function.
1065
1066         (struct _dep_node): New type.
1067         (dep_node_t): New typedef.
1068         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1069
1070         (struct haifa_insn_data.back_deps): New field to hold backward
1071         dependencies of the insn.
1072         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
1073         to deps_list_t.
1074         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1075         Change its type to deps_list_t.
1076         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1077         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1078         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1079
1080         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
1081         
1082         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
1083
1084         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1085         all callers.
1086         (dep_cost): Declare.
1087         
1088         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1089         (ds_to_dk, dk_to_ds): New functions.
1090         
1091         (init_dep_1): New static function.
1092         (init_dep): New function.
1093         (copy_dep): New static function.
1094         
1095         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1096         functions.
1097         (detach_dep_link): New static function.
1098         (move_dep_link): New function.
1099         
1100         (dep_links_consistent_p, dump_dep_links): New static functions.
1101         (debug_dep_links): New debugging function.
1102         
1103         (deps_obstack, dl_obstack, dn_obstack): New static variables.
1104         
1105         (alloc_deps_list, init_deps_list): New static functions.
1106         (create_deps_list): New function.
1107         (clear_deps_list): New static function.
1108         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1109         (deps_list_consistent_p, dump_deps_list): New static functions.
1110         (debug_deps_list): New function.
1111         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1112         functions.
1113         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1114
1115         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1116         use new scheduler dependencies lists.
1117         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1118         (sched_analyze): Ditto.  Initialize dependencies lists.
1119         (add_forw_dep, compute_forward_dependences): Update to use new
1120         scheduler dependencies lists.
1121         
1122         (init_dependency_caches): Init deps_obstack.
1123         (free_dependency_caches): Free deps_obstack.
1124         
1125         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1126         new scheduler dependencies lists.
1127         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1128         (add_back_forw_dep, delete_back_forw_dep): Ditto.
1129
1130         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1131         Update to use new scheduler dependencies lists.
1132         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1133         (debug_dependencies): Ditto.
1134         (schedule_region): Update comments.
1135         
1136         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1137         scheduler dependencies lists.
1138         (schedule_ebb): Update comments.
1139         
1140         * rtl.def (DEPS_LIST): Remove.
1141         
1142         * lists.c (unused_deps_list): Remove.
1143         (free_list): Update assertions.
1144         
1145         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1146         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1147
1148         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1149         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1150         
1151         * haifa-sched.c (comments): Update.
1152         (insn_cost1): Remove.  Inline the code into insn_cost ().
1153         (insn_cost): Update to use new scheduler dependencies lists.  Move
1154         processing of the dependency cost to dep_cost ().
1155         (dep_cost): New function.  Use it instead of insn_cost () when
1156         evaluating cost of the dependency.  Use compatible interface to
1157         interact with the target.
1158         (priority): Update to use new scheduler dependencies lists.
1159         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
1160         with greater number of insns that depend on the insn.
1161         (schedule_insn): Update to use new scheduler dependencies lists.  Add
1162         code to free backward dependencies lists.  Inline and optimize code
1163         from resolve_dep () - see PR28071.
1164         (ok_for_early_queue_removal): Update to use new scheduler dependencies
1165         lists.  Update call to targetm.sched.is_costly_dependence hook.
1166         
1167         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1168         scheduler dependencies lists.
1169         
1170         (resolve_dep): Remove.  Move the logic to schedule_insn ().
1171         (init_h_i_d): Initialize dependencies lists.
1172         
1173         (process_insn_depend_be_in_spec): Rename to
1174         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
1175         dependencies lists.
1176         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1177         Update to use new scheduler dependencies lists.
1178         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1179         
1180         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1181         new scheduler dependencies lists.
1182         (build_intra_loop_deps): Ditto.
1183         
1184         * target.h (struct _dep): Declare to use in
1185         gcc_target.sched.is_costly_dependence.
1186         (struct gcc_target.sched.adjust_cost): Fix typo.
1187         (struct gcc_target.sched.is_costly_dependence): Change signature to use
1188         single dep_t parameter instead of an equivalent triad.
1189         (struct gcc_target.sched.adjust_cost_2): Remove.
1190
1191         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1192
1193         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1194
1195         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1196         documentation.
1197         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1198
1199         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1200         (REG_DEP_TRUE): Document.
1201         
1202         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1203         Change signature to correspond to the targetm.sched.adjust_cost hook.  
1204         Update use in TARGET_SCHED_ADJUST_COST_2.
1205         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1206         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1207         new scheduler dependencies lists.
1208         (ia64_gen_check): Ditto.
1209
1210         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1211         dependencies lists.
1212         
1213         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1214         signature to correspond to the targetm.sched.is_costly_dependence hook.
1215         (is_costly_group): Update to use new scheduler dependencies lists.
1216
1217         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1218         instead of INSN_COST () macro.
1219
1220 2007-02-01  Ian Lance Taylor  <iant@google.com>
1221
1222         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1223
1224 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
1225
1226         * pa.md (tp_load): Correct mfctl instruction syntax.
1227
1228 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
1229
1230         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1231         altivec_padding_size calculation on AIX.  Improve comment, add
1232         assert to verify that it's right.
1233
1234         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1235         64-bit.
1236
1237 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
1238
1239         PR inline-asm/28686
1240         * global.c (global_alloc): Add mising initialization of
1241         ELIMINABLE_REGSET.
1242
1243 2007-02-01  Roger Sayle  <roger@eyesopen.com>
1244
1245         * alias.c (init_alias_analysis): Correct whitespace.
1246         * bb-reorder.c (fix_edges_for_rarely_executed_code,
1247         partition_hot_cold_basic_blocks): Likewise.
1248         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1249         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1250         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1251         fold_builtin_snprintf_chk, fold_builtin_printf,
1252         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1253         do_mpfr_arg3, do_mpfr_sincos): Likewise.
1254         * cfgcleanup.c (cleanup_cfg): Likewise.
1255         * cfgexpand.c (tree_expand_cfg): Likewise.
1256         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1257         * function.c (get_next_funcdef_no): Likewise.
1258         * gengtype.c (main): Likewise.
1259         * genmodes.c (main): Likewise.
1260         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1261         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1262         * ifcvt.c (noce_emit_move_insn): Likewise.
1263         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1264         Likewise.
1265         * stor-layout.c (get_best_mode): Likewise.
1266         * tree-ssa-loop-niter.c (get_val_for): Likewise.
1267         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1268         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1269         perform_var_substitution, solve_graph): Likewise.
1270         * tree-vrp.c (vrp_finalize): Likewise.
1271
1272 2007-02-01  Ian Lance Taylor  <iant@google.com>
1273
1274         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1275         high part of a paradoxical subreg, return a constant zero.
1276
1277 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
1278
1279         * toplev.c (lang_dependent_init): Call init_set_costs.
1280         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1281
1282 2007-02-01  Richard Guenther  <rguenther@suse.de>
1283
1284         PR middle-end/30656
1285         * fold-const.c (fold_negate_expr): Allow negating a
1286         constant if overflow does not change.
1287
1288 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1289
1290         * doc/c-tree.texi (Expression trees): Improve markup.
1291         * doc/tm.texi (Register Classes, Addressing Modes)
1292         (Floating Point): Fix spacing after abbreviations.  Fix some
1293         typos.
1294
1295 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1296
1297         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1298         * doc/contrib.texi: Likewise.
1299         * doc/install.texi: Likewise.
1300
1301 2007-01-31  Richard Henderson  <rth@redhat.com>
1302             Ian Lance Taylor  <iant@google.com>
1303
1304         * lower-subreg.c: New file.
1305         * rtl.def (CONCATN): Define.
1306         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1307         pass_lower_subreg2.
1308         * emit-rtl.c (update_reg_offset): New static function, broken out
1309         of gen_rtx_REG_offset.
1310         (gen_rtx_REG_offset): Call update_reg_offset.
1311         (gen_reg_rtx_offset): New function.
1312         * regclass.c: Revert patch of 2006-03-05, restoring
1313         reg_scan_update.
1314         (clear_reg_info_regno): New function.
1315         * dwarf2out.c (concatn_loc_descriptor): New static function.
1316         (loc_descriptor): Handle CONCATN.
1317         * common.opt (fsplit_wide_types): New option.
1318         * opts.c (decode_options): Set flag_split_wide_types when
1319         optimizing.
1320         * timevar.def (TV_LOWER_SUBREG): Define.
1321         * rtl.h (gen_reg_rtx_offset): Declare.
1322         (reg_scan_update): Declare.
1323         * regs.h (clear_reg_info_regno): Declare.
1324         * tree-pass.h (pass_lower_subreg): Declare.
1325         (pass_lower_subreg2): Declare.
1326         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1327         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1328         -fsplit-wide-types.
1329         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1330         * Makefile.in (OBJS-common): Add lower-subreg.o.
1331         (lower-subreg.o): New target.
1332
1333 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1334
1335         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1336
1337 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1338
1339         PR target/19087
1340         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1341
1342 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1343
1344         PR middle-end/29335
1345         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1346
1347 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1348
1349         * cfgloop.h: Include vec-prim.h.
1350         (enum li_flags): Remove LI_ONLY_OLD.
1351         (loop_iterator): Changed.
1352         (fel_next, fel_init): Iterate over loop tree.
1353         (FOR_EACH_LOOP_BREAK): New macro.
1354         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1355         FOR_EACH_LOOP.
1356         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1357         * modulo-sched.c (sms_schedule): Ditto.
1358         * tree-vectorizer.c (vectorize_loops): Ditto.
1359         * doc/loop.texi: Update information on loop numbering and behavior of
1360         FOR_EACH_LOOP wrto new loops.
1361         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1362         add_to_evolution_1): Test nestedness of loops instead of comparing
1363         their numbers.
1364         * tree-chrec.c (chrec_fold_plus_poly_poly,
1365         chrec_fold_multiply_poly_poly, chrec_evaluate,
1366         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1367         reset_evolution_in_loop): Ditto.
1368         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1369
1370 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1371
1372         * c-common.c (warn_about_parentheses): Separate warning about
1373         un-parenthized sequence of comparison operators from the one
1374         which is supposed to warn about x <= y <= z.
1375
1376 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1377
1378         * optabs.h (enum optab_index): Add new OTI_isinf.
1379         (isinf_optab): Define corresponding macro.
1380         * optabs.c (init_optabs): Initialize isinf_optab.
1381         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1382         patterns.
1383         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1384         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1385         using isinf_optab.
1386         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1387         expand_builtin_interclass_mathfn.
1388         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1389         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1390         (fxam<mode>2_i387): New insn pattern.
1391         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1392         built-in functions as x87 inline asm.
1393
1394 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1395
1396         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1397
1398 2007-01-30  Eric Christopher  <echristo@apple.com>
1399
1400         * config.gcc: Add geode.
1401
1402 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1403
1404         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1405         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1406         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1407         value-prof.c: Fix comment typos.
1408
1409 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1410
1411         PR c++/24745
1412         * doc/invoke.texi (Wpointer-arith): Document warning.
1413
1414 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
1415
1416         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1417         the list of discrepancies from the draft TR.
1418
1419 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1420
1421         PR c++/30601
1422         * doc/invoke.texi (-Wreturn-type): Update description to
1423         match new behavior.
1424
1425 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1426
1427         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1428
1429 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1432         to handle optabs that operate on floating point input argument and
1433         output to integer output.
1434         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1435         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1436         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1437         expand_builtin_interclass_mathfn ().
1438         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1439         (ilogbsi2): Remove.
1440         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1441         ilogbl built-in functions as x87 intrinsics.
1442
1443 2007-01-30  Richard Guenther  <rguenther@suse.de>
1444
1445         PR middle-end/27657
1446         * dwarf2out.c (reference_to_unused): Query varpool if the
1447         variable was output.
1448
1449 2007-01-30  Richard Guenther  <rguenther@suse.de>
1450
1451         PR middle-end/30313
1452         * passes.c (execute_one_pass): Reset in_gimple_form to not
1453         confuse non-unit-at-a-time mode.
1454
1455 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1456             Richard Guenther  <rguenther@suse.de>
1457
1458         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1459         avoid undefined behaviour on overflow.  Use force_fit_type_double
1460         to construct the constant with the specified TREE_OVERFLOW.
1461
1462 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1463
1464         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1465         * config/dfp-bit.h: Ditto.
1466
1467 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1468
1469         * c-decl.c (pop_scope): Replace warnings with call to
1470         warn_for_unused_label.
1471         * c-common.h (warn_for_unused_label): Declare.
1472         * c-common.c (warn_for_unused_label): Define.
1473
1474 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1475
1476         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1477         function.
1478
1479 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1480
1481         * Makefile.in (USER_H): Remove decfloat.h.
1482         * ginclude/decfloat.h: Delete, moving contents to ...
1483         * ginclude/float.h: Add support for decimal floating point,
1484         guarded by __STDC_WANT_DEC_FP__.
1485
1486 2007-01-29  Mike Stump  <mrs@apple.com>
1487
1488         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1489         Analysis and Representation to resolve case insensitive conflict.
1490         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1491
1492 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1493
1494         * tree.h (struct tree_memory_tag): Add aliases member.
1495         (MTAG_ALIASES): New macro.
1496         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1497         (add_may_alias): Remove pointer-set. Update for may_aliases being
1498         a bitmap.
1499         (mark_aliases_call_clobbered): Update for may_aliases being a
1500         bitmap.
1501         (compute_tag_properties): Ditto.
1502         (create_partition_for): Ditto.
1503         (compute_memory_partitions): Ditto.
1504         (dump_may_aliases_for): Ditto.
1505         (is_aliased_with): Ditto.
1506         (add_may_alias_for_new_tag): Ditto.
1507         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1508         (compute_is_aliased): New function.
1509         (compute_may_aliases): Call compute_is_aliased).
1510         (init_alias_info): Initialize alias_bitmap_obstack.
1511         (union_alias_set_into): New function.
1512         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1513         (have_common_aliases_p): Rewrite to take two bitmaps and use
1514         intersection.
1515         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1516         Update for bitmaps.
1517         (finalize_ref_all_pointers): Update for add_may_alias changes.
1518         (new_type_alias): Ditto.
1519         * tree-flow-inline.h (may_aliases): Return a bitmap.
1520         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1521         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1522         may_aliases being a bitmap.
1523         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1524         may_aliases now returns a bitmap.
1525         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1526         being a bitmap.
1527         * tree-ssa-operands.c (add_virtual_operand): Update for
1528         may_aliases being a bitmap.
1529
1530 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1531
1532         PR tree-optimization/30630
1533         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1534         variable as changed.
1535
1536 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1537
1538         PR c++/28266
1539         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1540         expanded only once even if an error occurs.
1541
1542 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1543
1544         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1545         (__gcov_average_profiler): Likewise.
1546         (__gcov_ior_profiler): Likewise.
1547         (__gcov_merge_ior): Likewise.
1548
1549 2007-01-28  Jan Hubicka  <jh@suse.cz>
1550
1551         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1552         * value-prof.c (stringop_block_profile): Likewise.
1553
1554 2007-01-28  Jan Hubicka  <jh@suse.cz>
1555
1556         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1557         variant handling histograms; add wrapper.
1558         (clear_storage_via_libcall): Export.
1559         (emit_block_move_hints): Break out from ...; add histograms.
1560         (emit_block_move): ... this one.
1561         (clear_storage_hints): Break out from ...; add histograms.
1562         (clear_storage): ... this one.
1563         (set_storage_via_memset): Handle histogram.
1564         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1565         (clear_storage_hints, clear_storage_via_libcall): Declare.
1566         (set_storage_via_setmem): Update prototype.
1567         * doc/md.texi (movmem, setmem): Document new arguments.
1568
1569         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1570         new histograms.
1571         (stringop_block_profile): New global function.
1572         (tree_stringops_values_to_profile): Profile block size and alignment.
1573         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1574         HIST_TYPE_IOR.
1575         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1576         (stringop_block_profile): Declare.
1577         * builtins.c: Include value-prof.h.
1578         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1579         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1580         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1581         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1582         * profile.c (instrument_values): Add new counters.
1583         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1584         calls.
1585         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1586         (tree_init_edge_profiler): Build new profilers.
1587         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1588         (pass_tree_profile): Add dump.
1589         (tree_profile_hooks): Update.
1590         * Makefile.in (LIBGCOV): Add new constants.
1591         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1592         __gcov_ior_profiler): New.
1593         * i386.md (movmem/setmem expanders): Add new optional arguments.
1594
1595 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1596
1597         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1598
1599 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1600
1601         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1602         (tree_unswitch_single_loop): Pass eni_size_weights to
1603         tree_num_loop_insns.
1604         * tree-ssa-loop-manip.c: Include tree-inline.h.
1605         (can_unroll_loop_p): Pass eni_size_weights to
1606         tree_num_loop_insns.
1607         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1608         Pass eni_size_weights to estimate_num_insns.
1609         * tree.h (init_inline_once): Export.
1610         * toplev.c (backend_init): Call init_inline_once.
1611         * cgraphunit.c (cgraph_process_new_functions,
1612         cgraph_analyze_function): Pass eni_inlining_weights to
1613         estimate_num_insns.
1614         * ipa-inline.c (compute_inline_parameters): Ditto.
1615         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1616         to estimate_num_insns.
1617         (try_unroll_loop_completely): Pass eni_size_weights to
1618         tree_num_loop_insns.
1619         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1620         ot estimate_num_insns.
1621         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1622         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1623         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1624         eni_time_weights): New variables.
1625         (init_inline_once): Initialize them.
1626         (struct eni_data): Mew.
1627         (estimate_num_insns_1, estimate_num_insns): Use weights.
1628         * tree-inline.h (struct eni_weights_d): New.
1629         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1630         (estimate_num_insns): Declaration changed.
1631         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1632         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1633         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1634
1635 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1636
1637         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1638         relations in the conflict function is valid.
1639
1640 2007-01-27  Ian Lance Taylor  <iant@google.com>
1641
1642         * common.opt: Add fstrict-overflow.
1643         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1644         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1645         (TYPE_OVERFLOW_UNDEFINED): Define.
1646         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1647         Replace all uses.
1648         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1649         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1650         (fold_negate_expr): Likewise.
1651         (make_range): Likewise.
1652         (extract_muldiv_1): Likewise.
1653         (maybe_canonicalize_comparison): Likewise.
1654         (fold_comparison): Likewise.
1655         (fold_binary): Likewise.
1656         (tree_expr_nonnegative_p): Likewise.
1657         (tree_expr_nonzero_p): Likewise.
1658         * tree-vrp.c (compare_values): Likewise.
1659         (extract_range_from_binary_expr): Likewise.
1660         (extract_range_from_unary_expr): Likewise.
1661         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1662         Likewise.
1663         (nowrap_type_p): Likewise.
1664         * tree-scalar-evolution.c (simple_iv): Likewise.
1665         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1666         (build_range_check): Likewise.
1667         (extract_muldiv_1): Likewise.
1668         (fold_comparison): Likewise.
1669         * tree-vrp.c (vrp_int_const_binop): Likewise.
1670         (extract_range_from_unary_expr): Likewise.
1671         * convert.c (convert_to_integer): Likewise.
1672         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1673         (fold_comparison): Likewise.
1674         (fold_binary): Likewise.
1675         * optabs.c (optab_for_tree_code): Likewise.
1676         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1677         * simplify-rtx.c (simplify_const_relational_operation): Check
1678         flag_strict_overflow and flag_trapv.
1679         (simplify_const_relational_operation): Likewise.
1680         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1681         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1682         -fstrict-overflow.
1683
1684 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1685
1686         * tree.c (tree_fold_gcd): Delete.
1687         * tree.h (tree_fold_gcd): Remove prototype.
1688         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1689         test whether one constant integer is a multiple of another.  Instead
1690         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1691         * fold-const.c (multiple_of_p):  We've determined both TOP and
1692         BOTTOM are integer constants so we can call int_const_binop directly
1693         instead of the more generic const_binop.
1694
1695 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1696
1697         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1698         1*X check that the constant hasn't overflowed, to preserve the
1699         TREE_OVERFLOW bit.
1700         (round_up): Provide an efficient implementation when rouding-up an
1701         INTEGER_CST to a power-of-two.
1702
1703 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1704
1705         * doc/sourcebuild.texi: Add comma for clarity.
1706         * doc/extend.texi: Fix some typos.
1707         * doc/passes.texi: Likewise.
1708         * doc/cppinternals.texi: Likewise.
1709         * doc/c-tree.texi: Likewise.
1710         * doc/tree-ssa.texi: Likewise.
1711         * doc/install.texi: Likewise.
1712
1713 2007-01-27  Jan Hubicka  <jh@suse.cz>
1714
1715         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1716         (pass_sra): Do not require alias information.
1717         * passes.c (init_optimization_passes): Add SRA
1718
1719 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
1720
1721         * tracer.c (rest_of_handle_tracer): We already cleaned
1722         up the CFG in tracer() so don't do it here again.
1723         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1724         cleanup_cfg here, either.  And don't call renumber_insns.
1725
1726         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1727         and BB_HEAD are in the insn stream here.  Instead make sure
1728         that BB_INSN is valid on all insns.  Also, do check here that
1729         there are no pending branch predictions...
1730         (rtl_verify_flow_info): ...instead of doing it here.  Checks
1731         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1732         here.
1733
1734 2007-01-26  Roger Sayle  <roger@eyesopen.com>
1735
1736         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1737         function to simplify/factorize operand order canonicalization.
1738         (ix86_fixup_binary_operands): Reorganize using the above function.
1739         (ix86_binary_operator_ok): Likewise.
1740
1741 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
1742
1743         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1744         file scope from optimize_attrs.
1745         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1746         up search.
1747         (optimize_attrs): Clear insn_code_values after freeing it.
1748
1749 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1750
1751         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1752         a parts.base assignment.
1753
1754 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1755
1756         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1757         (compute_subscript_distance, initialize_data_dependence_relation,
1758         finalize_ddr_dependent, analyze_ziv_subscript,
1759         analyze_siv_subscript_cst_affine,
1760         compute_overlap_steps_for_affine_univar,
1761         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1762         analyze_siv_subscript, analyze_miv_subscript,
1763         analyze_overlapping_iterations, subscript_dependence_tester_1,
1764         compute_self_dependence, free_dependence_relation): Work
1765         with affine_fn instead of chrecs.
1766         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1767         common_affine_function, affine_function_base,
1768         affine_function_constant_p, affine_fn_op, affine_fn_plus,
1769         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1770         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1771         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1772         (all_chrecs_equal_p): Removed.
1773         * tree-data-ref.h (affine_fn, conflict_function): New types.
1774         (struct subscript): Change type of conflicting_iterations_in_a
1775         and conflicting_iterations_in_b.
1776
1777 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
1778
1779         PR other/30182
1780         * config/pa/pa.h (TARGET_HPUX_11): New.
1781         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1782         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1783
1784 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
1785         Richard Guenther  <rguenther@suse.de>
1786
1787         * tree-ssa-structalias.c (solve_graph): Handle case
1788         we merged the variable to another.
1789
1790 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1791
1792         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1793         functions.
1794
1795         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1796         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1797
1798 2007-01-25  DJ Delorie  <dj@redhat.com>
1799
1800         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1801         allow changes to modes which don't fit in those registers.
1802
1803         * reload1.c (choose_reload_regs): Check for invalid subregs before
1804         computing their locations, not after.
1805
1806 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
1807
1808         PR 25127
1809         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1810         save Altivec registers in an eh_return function.
1811         (compute_vrsave_mask): Likewise.
1812         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1813         for saving Altivec registers.
1814         (rs6000_emit_prologue): Don't allocate stack twice in
1815         eh_return function.  Correct expected value of altivec_save_offset
1816         when using save_world.  Describe save of R0 to stack when using
1817         save_world.  Describe stack pointer adjustment when using
1818         save_world.  Remove duplicated eh_return parameter register saving.
1819         Update sp_offset variable after save_world.
1820         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1821         darwin-world.asm.
1822         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1823         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1824         implies Altivec.
1825
1826 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1827
1828         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1829
1830 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1831
1832         PR other/30182
1833         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1834         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
1835
1836 2007-01-25  Richard Guenther  <rguenther@suse.de>
1837
1838         * doc/invoke.texi (-Wcoverage-mismatch): Document.
1839         * common.opt (-Wcoverage-mismatch): New warning option.
1840         * coverage.c (get_coverage_counts): Ignore coverage mismatch
1841         if -Wcoverage-mismatch is given.
1842
1843 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
1844
1845         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1846         (ipcp_driver): Change to static definition.
1847         Add dumping of the ifunctions.
1848         (constant_val_insert): Remove unused parameter. Support for SSA.
1849         (ipcp_propagate_const): Support for SSA.
1850         (ipcp_profile_bb_print): Print only analyzed nodes.
1851         (ipcp_replace_map_create): Remove support for Fortran constant
1852         for now.
1853         * ipa-prop.c (ipa_method_modify_stmt,
1854         ipa_callsite_compute_param): Support for SSA.
1855         * ipa-prop.h (ipcp_driver): Remove declaration.
1856         (IS_VALID_TREE_MAP_INDEX): Add define.
1857
1858 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
1859
1860         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
1861
1862 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1863
1864         PR middle-end/30447
1865         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
1866         constant argument to cabs and do it without checking for
1867         -funsafe-math-optimizations.
1868
1869 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
1870
1871         * c-common.h (RID_FIRST_CXX0X): New.
1872         (RID_LAST_CXX0X): New.
1873         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
1874         by -Wall.
1875         * c.opt (Wc++0x-compat): New.
1876         * doc/invoke.texi (-Wc++0x-compat): Document.
1877
1878 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1879
1880         * builtins.c (fold_builtin_carg): New.
1881         (fold_builtin_1): Use it.
1882
1883 2007-01-24  Jan Hubicka  <jh@suse.cz>
1884
1885         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
1886
1887         * ipa-inline.c (initial_insns, max_insns): Delete.
1888         (compute_max_insns): New function.
1889         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
1890         of insns as base for code growth.
1891         (cgraph_decide_inlining): Make initial_insns local; do not compute
1892         max_insns.
1893         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
1894         * doc/invoke.texi (inline-unit-growth): Update docs.
1895
1896 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
1897
1898         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
1899         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
1900         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
1901         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
1902         for CPUs that have PTA_CX16 set.
1903
1904         PR middle-end/27416
1905         * gimplify.c (omp_check_private): New function.
1906         (gimplify_scan_omp_clauses): Use it for
1907         firstprivate/lastprivate/reduction.
1908
1909         PR middle-end/30494
1910         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1911         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1912
1913         PR middle-end/30421
1914         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1915         If lower_lastprivate_clauses emits some statements, append them
1916         to dlist rather than body_p and to body_p append an initializer.
1917         (lower_omp_for): Adjust caller.
1918
1919 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
1920
1921         * target.h (globalize_decl_name): New.
1922         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1923         * output.h (default_globalize_decl_name): New.
1924         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
1925         globalize_label.
1926         (globalize_decl): Ditto.
1927         (default_globalize_decl_name): New.
1928         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
1929         (ia64_handle_version_id_attribute): New.
1930         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1931         (ia64_asm_output_external): Use globalize_decl_name instead
1932         of globalize_label.
1933         * doc/extend.texi (version_id): New pragma.
1934         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
1935
1936 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1937
1938         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
1939         _uleb128_t and _Unwind_SWord with _sleb128_t.
1940         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
1941         uw_frame_state_for, uw_update_context_1): Likewise.
1942         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
1943         * unwind-pe.h (read_uleb128, read_sleb128,
1944         read_encoded_value_with_base): Likewise.
1945         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
1946
1947 2007-01-24  Richard Guenther  <rguenther@suse.de>
1948
1949         * builtins.c (expand_builtin_cexpi): Get the fndecl
1950         for cexp in the correct way.
1951
1952 2007-01-24  Jan Hubicka  <jh@suse.cz>
1953
1954         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
1955
1956 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1957
1958         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
1959         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
1960         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
1961         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
1962         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
1963         __SIZEOF_PTRDIFF_T__.
1964         * doc/cpp.texi: Documentation for the new builtin macros added.
1965
1966 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
1967
1968         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
1969         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
1970         instead of operands[2] to avoid access past the end of array.
1971
1972 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
1973
1974         * reload1.c (emit_reload_insns): Pass the reload register
1975         for a non-spill output reload through forget_old_reloads_1.
1976
1977 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1980         _SOFT_DOUBLE if doubles use software floating-point.
1981         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
1982         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1983         * config/rs6000/darwin-ldouble.c: Also compile functions for
1984         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
1985         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1986         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
1987         commented-out long double override.
1988         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
1989         * config/rs6000/eabispe.h: Likewise.
1990         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
1991         long double for non-SPE.
1992         (rs6000_handle_option): Likewise.
1993         (invalid_e500_subreg): Disallow more subregs involding DImode,
1994         DFmode, TImode or TFmode.
1995         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
1996         E500 double.
1997         (legitimate_lo_sum_address_p): Also check for TFmode for E500
1998         double.
1999         (rs6000_legitimize_address): Also handle TFmode for E500 double.
2000         (rs6000_legitimize_reload_address): Also handle TFmode for E500
2001         double.
2002         (rs6000_legitimate_address): Also check for TFmode for E500
2003         double.
2004         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2005         (spe_build_register_parallel): Handle TFmode and TCmode.
2006         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2007         double.
2008         (function_arg): Handle TFmode and TCmode for E500 double.
2009         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2010         in general.
2011         (print_operand): Handle TFmode and TImode for %y.
2012         (rs6000_generate_compare): Handle TFmode comparisons for E500
2013         double.
2014         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2015         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2016         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2017         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2018         TFmode for E500 double.
2019         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2020         (floatsidf2): Enable for E500 double.
2021         (movtf_softfloat): Use rs6000_nonimmediate_operand.
2022         (extenddftf2): Change to extenddftf2_fprs.
2023         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2024         depending on TARGET_E500_DOUBLE.
2025         (extendsftf2): Enable for E500 double.
2026         (trunctfdf2): Enable for E500 double.
2027         (trunctfsf2): Change to trunctfsf2_fprs.
2028         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2029         depending on TARGET_E500_DOUBLE.
2030         (floatsitf2): Enable for E500 double.
2031         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2032         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2033         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2034         (negtf2): Change to negtf2_internal.
2035         (negtf2): New expander.
2036         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
2037         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2038         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2039         (movdi_internal32): Use rs6000_nonimmediate_operand.
2040         (unnamed splitter): Likewise.
2041         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2042         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2043         (SPE64TF, DITI): New mode macros.
2044         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2045         modes.
2046         (frob_tf_ti): New.
2047         (frob_<mode>_di_2): New.
2048         (frob_tf_di_8_2): New.
2049         (frob_di_df): Change to frob_di_<mode>; allow more modes.
2050         (frob_ti_tf): New.
2051         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2052         more modes.
2053         (frob_ti_<mode>_8_2): New.
2054         (frob_ti_tf_2): New.
2055         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2056         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2057         TFmode.
2058         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2059         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2060         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2061         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2062         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2063         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2064         tsttflt_gp): New.
2065
2066 2007-01-23  Ian Lance Taylor  <iant@google.com>
2067
2068         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2069         insn-*.o first.
2070         (OBJS-archive): Reformat, alphabetize.
2071         (OBJS): Change out_object_file to OBJS-md.
2072
2073 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
2074
2075         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2076         JUMP_P and CALL_P predicates where applicable.
2077         * config/i386/i386.c: Ditto.
2078         * config/i386/i386.md: Ditto.
2079         * config/i386/mmx.md: Ditto.
2080         * config/i386/predicates.md: Ditto.
2081
2082 2007-01-22  Andreas Schwab  <schwab@suse.de>
2083
2084         * config/m68k/m68k.h: Fix comment.
2085
2086 2007-01-22  Jan Hubicka  <jh@suse.cz>
2087
2088         * passes.c (init_optimization_passes): Do not rerun
2089         pass_early_warn_uninitialized.
2090
2091 2007-01-22  Richard Guenther  <rguenther@suse.de>
2092
2093         PR tree-optimization/30038
2094         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2095         function.
2096         (execute_cse_sincos_1): Likewise.
2097         (execute_cse_sincos): Likewise.
2098         (gate_cse_sincos): Likewise.
2099         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2100         the cexpi() canonicalization of sincos().
2101         * tree-pass.h (pass_cse_sincos): Declare.
2102         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2103
2104 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2105
2106         PR rtl-optimization/29329
2107         * combine.c (replaced_rhs_insn): Rename to i2mod.
2108         (replaced_rhs_value): Rename to i2mod_new_rhs.
2109         (i2mod_old_rhs): New global variable.
2110         (combine_instructions): Adjust for above change.  Save a copy of
2111         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2112         note are substituted in the second instruction.
2113         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2114         ditch the note if it pertains to the second eliminated register
2115         and this register is mentioned in i2mod_old_rhs.
2116
2117         Revert:
2118         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2119
2120         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2121         the insn to which the note was originally attached.
2122
2123 2007-01-21  Jan Hubicka  <jh@suse.cz>
2124
2125         * ipa-inline.c (inlining_mode): Comment, move up.
2126         (cgraph_decide_inlining_incrementally): Do not perform inlining
2127         itself; fix handling of flattening of self recursive functions.
2128         (cgraph_find_cycles): Remove.
2129         (cgraph_flatten_node): Remove.
2130         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2131         (try_inline): New function.
2132         (cgraph_early_inlining): Update call of
2133         cgraph_decide_inlining_incrementally.  Apply inlining here.
2134         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2135
2136 2007-01-21  Dirk Mueller  <dmueller@suse.de>
2137
2138         PR bootstrap/30511
2139         * tree-vrp.c (check_array_bounds): do not warn
2140         about ADDR_EXPR's of ARRAY_REF's which are immediately
2141         used in binary expressions.
2142
2143 2007-01-21  Ira Rosen  <irar@il.ibm.com>
2144
2145         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2146         read_write_dep and macros for its access.
2147         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2148         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2149         argument, call vect_check_interleaving for every independent pair of
2150         data-refs. Mark loads that access the same memory location as a store
2151         in the loop.
2152         (vect_check_dependences): Remove.
2153         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
2154         call, fix the call to vect_analyze_data_ref_dependence.
2155         (vect_analyze_data_ref_access): For statements that access the same
2156         data-ref, check that they are not stores; for loads, check that there
2157         is no store that access the same location.
2158
2159 2007-01-20  Roger Sayle  <roger@eyesopen.com>
2160             Joseph Myers  <joseph@codesourcery.com>
2161
2162         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2163         (-fdump-rtl-stack): Likewise.
2164         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
2165         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2166         (-mpt-fixed): Use @minus{} for minus sign.
2167         (Using Precompiled Headers): Fix under/overfull hbox.
2168
2169 2007-01-20  Jan Hubicka  <jh@suse.cz>
2170
2171         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2172         place within annotation.
2173
2174 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2175
2176         * pa.c (output_move_double): Change array size of xoperands to 4.
2177
2178 2007-01-20  Jan Hubicka  <jh@suse.cz>
2179
2180         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2181         as temporary.
2182
2183 2007-01-19  Ian Lance Taylor  <iant@google.com>
2184
2185         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2186         constant to unsigned HOST_WIDE_INT before negating.
2187
2188 2007-01-19  Ian Lance Taylor  <iant@google.com>
2189
2190         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2191         to unsigned.
2192         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2193         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2194         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2195         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2196         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2197         (realloc_vdef, realloc_vuse): Change second parameter to
2198         unsigned.
2199         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2200         fields to unsigned.
2201         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2202         unsigned. Change x and lim locals to unsigned.
2203         (realloc_vdef, realloc_vuse): Change num_elem parameter to
2204         unsigned.
2205         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2206         (copy_virtual_operands): Change i and n locals to unsigned.
2207
2208 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2209
2210         PR middle-end/29335
2211         * builtins.c (fold_builtin_1): Handle builtin fdim.
2212
2213 2007-01-20  Jan Hubicka  <jh@suse.cz>
2214
2215         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2216         * tree-ssa-structalias.c (compute_points_to_sets): Do call
2217         init_alias_heapvars.
2218         (init_alias_heapvars): Initialize only when not already initialized.
2219         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2220
2221 2007-01-19  Roger Sayle  <roger@eyesopen.com>
2222
2223         * common.opt (fsigned-zeros): New command line option.
2224         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2225         of flag_unsafe_math_optimizations.
2226         * opts.c (set_fast_math_flags): The -ffast-math command line option
2227         implies -fno-signed-zeros.
2228         (fast_math_flags_set_p): Likewise.
2229
2230         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2231         the documentation of -ffast-math appropriately.  Wrap long lines.
2232
2233 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
2234
2235         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2236         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2237
2238 2007-01-19  Tomas Bily  <tbily@suse.cz>
2239
2240         * cgraphunit.c (cgraph_finalize_function): Updating of pid
2241         * tree-profile.c:
2242         (tree_init_ic_make_global_vars): New function
2243         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2244         (tree_gen_ic_profiler): New function
2245         (tree_gen_ic_func_profiler): New function
2246         (tree_profiling): Added calling of tree_gen_ic_func_profiler
2247         (tree_profile_hooks): Added hook for indirec/virtual calls
2248         * value-prof.c (tree_find_values_to_profile): New case for
2249         indirect calls
2250         (tree_values_to_profile): Call for determining indirect/virtual
2251         counters
2252         (tree_indirect_call_to_profile): New function
2253         (tree_ic_transform): New function
2254         (tree_ic): New function
2255         (find_func_by_pid): New function
2256         (init_pid_map): New function
2257         (tree_value_profile_transformations): Added check for
2258         indirect/virtual call transformation
2259         * value-prof.h (enum hist_type): New counter type for
2260         indirect/virtual calls
2261         (profile_hooks): Added new hook for profiling indirect/virtual
2262         calls
2263         * profile.c (instrument_values): New case for indirect/virtual
2264         call added
2265         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2266         (GCOV_COUNTER_V_INDIR): New counter type
2267         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2268         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2269         call added
2270         * cgraph.c: Definition of cgraph_max_pid
2271         (cgraph_create_node): Default init of pid attribute
2272         * cgraph.h: Declaration of cgraph_max_pid
2273         (struct cgraph_node): Added pid attribute
2274         * libgcov.c (__gcov_indirect_call_profiler): New function
2275         (__gcov_one_value_profiler_body): New function
2276         (__gcov_one_value_profiler): Body was moved to
2277         __gcov_one_value_profiler_body and calls it
2278
2279 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
2280
2281         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2282         * gengtype.c (write_types_data, write_func_for_structure,
2283         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2284         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2285         (walk_type, write_func_for_structure): Generate the mark_hook if
2286         needed.
2287
2288 2007-01-19  Jan Hubicka  <jh@suse.cz>
2289
2290         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2291         'early' argument take inlining mode argument specifying whether to
2292         inline for size/speeed or all functions; add support for flattening;
2293         improve dumpting.
2294         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2295
2296 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2297
2298         PR c++/17947
2299         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2300         the name of the declared identifier.
2301
2302 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2303
2304         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2305         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2306         duplicate evaluation.
2307
2308 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2309
2310         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2311         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2312         to XFMode, use acosxf2 and truncate result to requested mode.
2313         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2314         (asin<mode>2): Similarly, with asin expanders.
2315         (*fscalexf4_i387): Rename from *fscalexf4.
2316         (expNcorexf3): New expander.
2317         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2318         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2319         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2320         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2321         patterns for SSE math.
2322         (exp10<mode>2): Similarly, with exp10 expanders.
2323         (exp2<mode>2): Similarly, with exp2 expanders.
2324         (expm1<mode>2): Similarly, with expm1 expanders.
2325         (ldexp<mode>3): Similarly, with ldexp expanders.
2326         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2327         Use gen_truncxf<mode>2_i387_noop to truncate result.
2328
2329 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2330
2331         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2332         for ColdFire targets.
2333
2334 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2335             Richard Sandiford  <richard@codesourcery.com>
2336
2337         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2338         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2339         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2340         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2341         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2342         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2343
2344 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2345
2346         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2347         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2348         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2349         (*adddi_dilshr32_cf): New pattern.
2350         (adddi3, subdi3): Remove first alternatives.
2351
2352 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2353
2354         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2355         implemented using move.l, do not use its cc result for floating-point
2356         comparisons.
2357
2358 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2359
2360         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2361         from accepting 's' constraints if flag_pic.
2362
2363 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2364
2365         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2366         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2367         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2368         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2369
2370 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2371
2372         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2373         ColdFire alternatives.
2374         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2375         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2376         architectures that support ff1 instruction.
2377
2378 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2379             Julian Brown  <julian@codesourcery.com>
2380
2381         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2382         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2383         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2384         Add commentary.
2385
2386 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2387
2388         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2389         and return a bool.
2390         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2391         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2392         HOST_WIDE_INT instead of an rtx.
2393         (m68k_rtx_costs): Update call accordingly.
2394         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2395         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2396         Return a bool.
2397         (output_move_simode_const): Update calls after above changes.
2398         Rework to use automatic variables and predicates like MEM_P.
2399         * config/m68k/m68k.md (pushexthisi_const): Update call to
2400         valid_mov3q_const.
2401
2402 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2403
2404         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2405         in dump_flags test.
2406
2407 2007-01-19  Richard Guenther  <rguenther@suse.de>
2408
2409         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2410         via cexp in case sincos is not available.
2411
2412 2007-01-19  Richard Guenther  <rguenther@suse.de>
2413
2414         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2415         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2416         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2417         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2418         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2419         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2420         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2421         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2422
2423 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2426         New insn patterns.
2427         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2428         (atan2xf3): Directly generate RTL pattern.
2429         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2430         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2431         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2432         disable patterns for SSE math.
2433         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2434         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2435         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2436         disable patterns for SSE math.
2437
2438 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2439
2440         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2441
2442 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2443
2444         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2445         VIEW_CONVERT_EXPR to the same type as it's operand.
2446
2447 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2448
2449         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2450         configured for long double 128.
2451
2452 2007-01-18  Mike Stump  <mrs@apple.com>
2453
2454         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2455         error.
2456
2457 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2458
2459         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2460         type correct.
2461
2462 2007-01-18  Jan Hubicka  <jh@suse.cz>
2463
2464         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2465         greater than NUM_VOP_FREE_BUCKETS.
2466
2467 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2468
2469         * tree-ssa-structalias.c: Update comments.
2470         (ptabitmap_obstack): Removed.
2471         (pta_obstack): New.
2472         (oldpta_obstack): Ditto.
2473         (stats): Add a few members.
2474         (struct variable_info): Remove node, complex, address_taken, and
2475         indirect_target members. Add oldsolution member.
2476         (new_var_info): Do not initialize removed members.
2477         (constraint_expr_type): Remove INCLUDES.
2478         (constraint_graph): Add size, implicit_preds, rep,
2479         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2480         (FIRST_REF_NODE): New macro.
2481         (LAST_REF_NODE): Ditto.
2482         (FIRST_ADDR_NODE): Ditto.
2483         (find): New function.
2484         (unite): Ditto.
2485         (dump_constraint): Do not handle INCLUDES.
2486         (insert_into_complex): Do not insert duplicate constraints.
2487         (condense_varmap_nodes): Renamed and rewritten into ...
2488         (merge_node_constraints): This. Also fix bug in handling of
2489         offseted copy constraints.
2490         (clear_edges_for_node): No longer need to deal with preds at all,
2491         or removing associated preds/succs.
2492         (merge_graph_nodes): Deal with indirect_cycles.
2493         Don't deal with predecessors.
2494         (add_implicit_graph_edge): New function.
2495         (add_pred_graph_edge): Ditto.
2496         (add_graph_edge): Don't deal with predecessors.
2497         (build_constraint_graph): Removed.
2498         (build_pred_graph): New function.
2499         (build_succ_graph): Ditto.
2500         (struct scc_info): Removed in_component. Added roots, dfs, and
2501         node_mapping. Remove visited_index, unification_queue.
2502         (scc_visit): Deal with union-find we do now.
2503         Deal with cycles with REF nodes.
2504         (collapse_nodes): Renamed and rewritten to ...
2505         (unify_nodes): This.
2506         (process_unification_queue): Removed.
2507         (topo_visit): Cleanup
2508         (do_da_constraint): Use find.
2509         (do_sd_constraint): Ditto.
2510         (do_ds_constraint): Ditto.
2511         (do_complex_constraint): Ditto.
2512         (init_scc_info): Update for removed and added members.
2513         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2514         (find_indirect_cycles): This.
2515         (equivalence_class): New variable.
2516         (label_visit): New function.
2517         (perform_variable_substitution): Rewritten.
2518         (free_var_substitution_info): New function.
2519         (find_equivalent_node): Ditto.
2520         (move_complex_constraints): Ditto.
2521         (eliminate_indirect_cycles): Ditto.
2522         (solve_graph): Only propagate changed bits.
2523         Use indirect cycle elimination.
2524         Use find.
2525         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2526         (tree_id_eq): Renamed to ...
2527         (tree_vi_eq): This. Update for member change
2528         (insert_id_for_tree): Renamed and rewritten to ...
2529         (insert_vi_for_tree): This.
2530         (lookup_id_for_tree): Renamed and rewritten to ...
2531         (lookup_vi_for_tree): This.
2532         (get_id_for_tree): Renamed and rewritten to ...
2533         (get_vi_for_tree): Ditto.
2534         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2535         (process_constraint): Don't handle INCLUDES.
2536         Remove special ADDRESSOF case.
2537         (find_func_aliases): Rewrite to use vi functions instead of id
2538         ones.
2539         (create_function_info_for): Ditto.
2540         (create_variable_info_for): Ditto.
2541         (intra_create_variable_infos): Ditto.
2542         (merge_smts_into): Ditto.
2543         (find_what_p_points_to): Ditto.
2544         (init_base_vars): Ditto.
2545         (init_alias_vars): Ditto.
2546         (remove_preds_and_fake_succs): New function.
2547         (dump_sa_points_to_info): Dump new stats.
2548         (dump_solution_for_var): Use find.
2549         (set_used_smts): Fix formatting.
2550         (compute_points_to_sets): Updated for new functions.
2551         (ipa_pta_execute): Ditto.
2552
2553 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2554             Richard Sandiford  <richard@codesourcery.com>
2555
2556         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2557         parallels.
2558         * calls.c (expand_call): If the return value is a PARALLEL,
2559         extract its first member.
2560         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2561         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2562         use FUNCTION_EXTRA_EPILOGUE.
2563         (m68k_function_value): Return a PARALLEL if the return value
2564         is of a pointer type.
2565         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2566         (FUNCTION_EXTRA_EPILOGUE): Remove.
2567         * config/m68k/m68k.md (D0_REG): New constant.
2568
2569 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2570
2571         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2572         output a NOP for empty epilogues.
2573
2574 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2575
2576         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2577         before function.  Extend register save check to include all
2578         registers, not just integer ones.
2579
2580 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2581
2582         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2583         (m68k_use_return_insn): ...this.
2584         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2585         * config/m68k/m68k.c (use_return_insn): Rename to...
2586         (m68k_use_return_insn): ...this.
2587         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2588         of USE_RETURN_INSN.
2589
2590 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2591
2592         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2593         nearest even, fix denormal rounding overflow.
2594
2595 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2596
2597         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2598         f%$smove and f%$move.
2599         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2600         (extendsfdf2_cf): Use fdmove instead of f%&move.
2601         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2602         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2603
2604 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2605
2606         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2607         GPR<-GPR moves.
2608
2609 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2610
2611         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2612         (coldfire_single_format): Declare.
2613         (coldfire_double_format): Likewise.
2614         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2615         of qnan_msb_set to determine the lower bits of a canonical
2616         NaN significand.
2617         (encode_ieee_double): Likewise.
2618         (encode_ieee_quad): Likewise.
2619         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2620         (mips_single_format): Likewise.
2621         (ieee_double_format): Likewise.
2622         (mips_double_format): Likewise.
2623         (ieee_extended_motorola_format): Likewise.
2624         (ieee_extended_intel_96_format): Likewise.
2625         (ieee_extended_intel_128_format): Likewise.
2626         (ieee_extended_intel_96_round_53_format): Likewise.
2627         (ibm_extended_format): Likewise.
2628         (mips_extended_format): Likewise.
2629         (ieee_quad_format): Likewise.
2630         (mips_quad_format): Likewise.
2631         (vax_f_format): Likewise.
2632         (vax_d_format): Likewise.
2633         (vax_g_format): Likewise.
2634         (i370_single_format): Likewise.
2635         (i370_double_format): Likewise.
2636         (decimal_single_format): Likewise.
2637         (decimal_double_format): Likewise.
2638         (decimal_quad_format): Likewise.
2639         (c4x_single_format): Likewise.
2640         (c4x_extended_format): Likewise.
2641         (real_internal_format): Likewise.
2642         (coldfire_single_format): New real_format.
2643         (coldfire_double_format): Likewise.
2644         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2645         canonical_nan_lsbs_set.
2646         (pdp11_d_format): Likewise.
2647         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2648         if TARGET_COLDFIRE_CPU.
2649
2650 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2651
2652         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2653         (output_call, m68k_legitimize_call_address): Declare.
2654         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2655         parenthesees.  Add support for a 'W' constraint.
2656         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2657         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2658         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2659         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2660         variables.
2661         (override_options): Initialize them.  Do not set flag_no_function_cse
2662         for TARGET_ID_SHARED_LIBRARY.
2663         (m68k_output_pic_call): Delete.
2664         (m68k_legitimize_call_address): New function.
2665         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2666         (output_call): New function.
2667         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2668         target address from the GOT if symbolic jumps are not allowed.
2669         * config/m68k/m68k.md (call, general_operand): Do not set
2670         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
2671         Merge separate flag_pic and !flag_pic define_insns into...
2672         (*call, *call_value): ...these new patterns.  Match the address
2673         rather than the containing MEM and require it to be a call_operand.
2674         Use output_call to generate the asm template.
2675         * config/m68k/predicates.md (const_call_operand): New predicate.
2676         (call_operand): Likewise.
2677
2678 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2679
2680         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2681         (STACK_GROWS_DOWNWARD): Define to 1.
2682         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2683         comments, emphasizing that these values are only defaults.
2684         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2685         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2686
2687 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2688
2689         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2690
2691 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2692             Richard Sandiford  <richard@codesourcery.com>
2693
2694         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2695         (FP_REGNO_P): New macros.
2696         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2697         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2698         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2699         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2700
2701 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2702
2703         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2704         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2705         to $tmake_file.
2706         * config/m68k/t-floatlib: New file, extracting common code from...
2707         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2708         * config/m68k/t-uclinux: Here.
2709         * config/m68k/fpgnulib.c: Do not compile extendeed precision
2710         routines on ColdFire targets.
2711
2712 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2713
2714         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2715         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2716         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2717         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2718         explicitly set MOTOROLA to 1.
2719         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2720
2721 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2722             Nathan Sidwell  <nathan@codesourcery.com>
2723
2724         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2725         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2726         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2727         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2728         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2729         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2730         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2731         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2732         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2733         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2734         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2735         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2736         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2737         (DBX_REGISTER_NUMBER): Delete.
2738         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2739         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2740         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2741
2742 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2743
2744         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2745         * config/flat.h: New file.
2746         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2747         OBJECT_FORMAT_FLAT.
2748         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2749         indirect references for -msep-data or -mid-shared-library.
2750         Do not use PC-relative code addresses either.
2751         * config/m68k/m68k.c (override_options): Restrict -fPIC error
2752         to -mpcrel.
2753         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
2754         for shared libraries and crt1.o for executables.  Use crti.o and
2755         crtbegin.o.
2756         (ENDFILE_SPEC): Use crtend.o and crtn.o.
2757         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2758         Do not add -elf2flt or -shared-lib-id options here.
2759         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
2760         Pass -shared-lib-id if -mid-shared-library, taking the library
2761         identifier from -mshared-library-id if given, otherwise
2762         defaulting to 0.
2763         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2764         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2765         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2766         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2767         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2768         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2769         and crtend.o.
2770         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2771         jump sequence for ISA A and ISA A+.
2772         (PICJUMP): Likewise.
2773
2774 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2775
2776         * config.gcc (m68k-*-uclinux*): Base the port on the common
2777         and m68k GNU/Linux files rather than on the generic ELF ones.
2778         * config/m68k/uclinux.h (TARGET_VERSION): Override.
2779         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2780
2781 2007-01-18  Julian Brown  <julian@codesourcery.com>
2782             Richard Sandiford  <richard@codesourcery.com>
2783
2784         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2785         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2786         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2787         before redefining.
2788         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2789         80 unconditionally.
2790         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2791
2792 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2793
2794         * doc/install.texi: Document m68k-uclinuxoldabi.
2795         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2796         * config/m68k/uclinux-oldabi.h: New file, copied from
2797         config/m68k/uclinux.h.
2798
2799 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
2800
2801         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2802         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2803         (m32r_compute_frame_size): Use unsigned for regno.
2804         (m32r_reload_lr): Use gen_frame_mem.
2805         (pop): New.
2806         (m32r_output_function_epilogue): Don't output the function epilogue
2807         textually here.
2808         (m32r_expand_epilogue): New.
2809         (direct_return): Return false if the function has the interrupt
2810         attribute.
2811         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2812         * config/m32r/m32r.md (epilogue): New expander.
2813         (return_lr, return_rte): New insns.
2814         (return): Make it expander.
2815         (return_normal): New expander.
2816
2817 2007-01-18  Josh Conner  <jconner@apple.com>
2818
2819         PR target/30485
2820         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2821         support for UNLE, UNLT, UNGE, and UNGT.
2822
2823 2007-01-18  Jan Hubicka  <jh@suse.cz>
2824
2825         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2826         * tree-tailcall (add_virtual_phis): Likewise.
2827         (optimize_tail_call): Return TODOs.
2828         (execute_tail_calls): Return TODOs.
2829         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2830         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2831         changed.
2832         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2833         Cleanup cfg using TODO.
2834         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2835         * passes.c (execute_function_todo): When cleanup did something, remove
2836         unused locals.
2837         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2838         (make_edges): Don't cleanup_cfg.
2839
2840 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
2841
2842         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2843         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2844         operate on the top of stack.
2845         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2846         register handling of instructions that output to the second
2847         stack slot.
2848         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2849         (move_for_stack_reg): Special-case check for dead destination
2850         stack slot for constant load of 1.0 inside UNSPEC_TAN.
2851
2852         * config/i386/i386.md (UNSPEC_TAN): New constant.
2853         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2854         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2855         to correctly model move of constant 1.0 to top stack slot.
2856         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2857         (unnamed peephole2 pattern): Remove corresponding peephole2
2858         pattern that optimizes tan insn and loading of constant 1.0.
2859         (tanxf2): Use fptanxf4_i387.
2860         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2861         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
2862         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2863         disable patterns for SSE math.
2864         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
2865         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
2866
2867 2007-01-18  Dirk Mueller  <dmueller@suse.de>
2868             Richard Guenther <rguenther@suse.de>
2869
2870         PR diagnostic/8268
2871         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
2872         * common.opt (Warray-bounds): Add new warning option.
2873         * c-opts.c (c_common_handle_option): Define -Warray-bounds
2874         if -Wall is given.
2875         * Makefile.in: make tree-vrp.o depend on toplev.h
2876         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
2877         is enabled.
2878         (check_array_refs, check_array_bounds, check_array_ref): New.
2879
2880 2007-01-18  Jan Hubicka  <jh@suse.cz>
2881
2882         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
2883         (execute_ssa_ccp): Return flags conditionally.
2884         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
2885         changed.
2886         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
2887
2888 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
2889
2890         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
2891         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
2892
2893         * Makefile.c (GTFILES): Add cfglayout.h.
2894         * gengtype.c (open_base_files): Likewise.
2895         * cfglayout.c (cfg_layout_function_footer,
2896         cfg_layout_function_header) Reindent to make gengtype happy.
2897         * cfglayout.h (cfg_layout_function_footer,
2898         cfg_layout_function_header): Add GTY(()) marker.
2899
2900         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
2901
2902 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2903
2904         * genautomata.c (write_automata): Include xstrerror output in the
2905         error message if writing the DFA description file fails.
2906
2907 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2908
2909         * config/mips/mips-protos.h (mips_output_external): Make it
2910         return void.
2911         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2912         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2913         (extern_list): Likewise.
2914         (extern_head): Likewise.
2915         (TARGET_ASM_FILE_END): Likewise.
2916         (mips_file_end): Likewise.
2917         (mips_output_external): Rewritten.
2918
2919 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2920
2921         * genpreds.c (write_insn_preds_c): Only write out the function
2922         body for regclass_for_constraint if we have register constraints.
2923
2924 2007-01-17  Tom Tromey  <tromey@redhat.com>
2925
2926         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2927         * doc/install.texi (Testing): Use sourceware.org.
2928         (Binaries): Likewise.
2929         (Specific): Likewise.
2930         * doc/contrib.texi (Contributors): Use sourceware.org.
2931
2932 2007-01-17  Anatoly Sokolov <aesok@post.ru>
2933
2934         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
2935         (AVR_ENHANCED): Rename to ...
2936         (AVR_HAVE_MUL): ... new.
2937         (avr_enhanced_p): Rename to ...
2938         (avr_have_mul_p): ... new.
2939         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
2940         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
2941         * config/avr/avr.c (avr_enhanced_p): Rename to ...
2942         (avr_have_mul_p): ... new.
2943         (base_arch_s): Rename 'enhanced' to 'have_mul'.
2944         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
2945         'avr_enhanced_p' and 'enhanced'.
2946         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
2947         AVR_HAVE_MUL instead of AVR_ENHANCED.
2948         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2949         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
2950         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
2951         instead of AVR_ENHANCED.
2952         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2953         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
2954         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
2955
2956 2007-01-17  Ian Lance Taylor  <iant@google.com>
2957
2958         * vec.h (VEC_reserve_exact): Define.
2959         (vec_gc_p_reserve_exact): Declare.
2960         (vec_gc_o_reserve_exact): Declare.
2961         (vec_heap_p_reserve_exact): Declare.
2962         (vec_heap_o_reserve_exact): Declare.
2963         (VEC_OP (T,A,reserve_exact)): New static inline function, three
2964         versions.
2965         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
2966         negative parameter.
2967         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
2968         (VEC_OP (T,A,copy)) [all versions]: Likewise.
2969         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
2970         * vec.c (calculate_allocation): Add exact parameter.  Change all
2971         callers.
2972         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
2973         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
2974         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
2975         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
2976         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
2977         (vec_heap_p_reserve_exact): New function.
2978         (vec_heap_o_reserve_exact): New function.
2979
2980 2007-01-17  Jan Hubicka  <jh@suse.cz>
2981
2982         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
2983
2984 2007-01-17  Eric Christopher  <echristo@apple.com>
2985
2986         * config.gcc: Support core2 processor.
2987
2988 2007-01-16  Jan Hubicka  <jh@suse.cz>
2989
2990         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
2991         the names, just unlink the chain so we don't crash on dangling pointers
2992         to dead SSA names.
2993
2994 2007-01-16  Jan Hubicka  <jh@suse.cz>
2995
2996         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
2997         * tree-pass.h: Reorder to make IPA passes appear toegher.
2998         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
2999         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3000         parameters, do not call early inliner.
3001         * ipa-inline.c: Update comments.  Include tree-flow.h
3002         (cgraph_decide_inlining): Do not compute inlining parameters.
3003         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3004         be called with function context set up.
3005         (pass_ipa_inline): Remove unreachable functions before pass.
3006         (cgraph_early_inlining): Simplify assuming to be called from the
3007         PM as local pass.
3008         (pass_early_inline): New pass.
3009         (cgraph_gate_ipa_early_inlining): New gate.
3010         (pass_ipa_early_inline): Turn into simple wrapper.
3011         (compute_inline_parameters): New function.
3012         (gate_inline_passes): New gate.
3013         (pass_inline_parameters): New pass.
3014         (apply_inline): Move here from tree-optimize.c
3015         (pass_apply_inline): New pass.
3016         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3017         transforming.
3018         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3019         doing them by hand.
3020         (tree_function_versioning): Do not allocate dummy struct function.
3021         * tree-inline.h (optimize_inline_calls): Update prototype.
3022         * tree-optimize.c (execute_fixup_cfg): Export.
3023         (pass_fixup_cfg): Remove
3024         (tree_rest_of_compilation): Do not apply inlines.
3025         * tree-flow.h (execute_fixup_cfg): Declare.
3026         * Makefile.in (gt-passes.c): New.
3027         * passes.c: Include gt-passes.h
3028         (init_optimization_passes): New passes.
3029         (nnodes, order): New static vars.
3030         (do_per_function_toporder): New function.
3031         (execute_one_pass): Dump current pass here.
3032         (execute_ipa_pass_list): Don't dump current pass here.
3033
3034 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
3035
3036         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3037         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3038
3039 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
3040
3041         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3042         (strong_alias): Define.
3043         (__gcc_qmul): Provide non-FMA for soft-float.
3044         (__gcc_qdiv): Same.
3045         (__gcc_qneg): New.
3046         (__gcc_qeq): New.
3047         (__gcc_qle): New.
3048         (__gcc_qge): New.
3049         (__gcc_qunord): New.
3050         (__gcc_stoq): New.
3051         (__gcc_dtoq): New.
3052         (__gcc_qtos): New.
3053         (__gcc_qtod): New.
3054         (__gcc_qtoi): New.
3055         (__gcc_qtou): New.
3056         (__gcc_itoq): New.
3057         (__gcc_utoq): New.
3058         (fmsub): New.
3059         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3060         soft-float functions.
3061         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3062         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3063         about long double soft float.
3064
3065 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
3066             Tehila Meyzels  <tehila@il.ibm.com>
3067
3068         * tree-vectorizer.h (is_pattern_stmt_p): New.
3069         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3070         formatting (tabs instead of spaces). Cleanup and clarify setting
3071         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3072         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3073         (vectorizable_type_demotion): Check that types are integral.
3074         (vectorizable_type_promotion): Likewise.
3075         (vectorizable_store): Fix typo.  Eliminate new-line at end of
3076         comments.
3077
3078 2007-01-16  Jan Hubicka  <jh@suse.cz>
3079
3080         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3081         cgraph edges too.
3082
3083 2007-01-15  Eric Christopher  <echristo@apple.com>
3084
3085         * ifcvt.c: Include vec.h, vecprim.h.
3086         (check_cond_move_block): New argument regs.
3087         Reorganize. Add registers used to regs.
3088         (cond_move_process_if_block): Use regs set above as
3089         loop bounds.
3090
3091 2007-01-15  Eric Christopher  <echristo@apple.com>
3092
3093         * config/darwin.h: Update copyright.
3094         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3095         (LINK_COMMAND_SPEC): Add -u.
3096         (LINK_SPEC): Fix umbrella for above.
3097
3098 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
3099
3100         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3101         glibc CVS.
3102
3103 2007-01-15  Tom Tromey  <tromey@redhat.com>
3104
3105         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3106         * doc/install.texi (Testing): Don't mention jacks.
3107         (Configuration): Document --enable-java-maintainer-mode.  Move
3108         --with-java-home to libgcj-specific section.  Document
3109         --with-ecj-jar.
3110         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3111
3112 2007-01-15  Jan Hubicka  <jh@suse.cz>
3113
3114         * tree-ssa-dce.c (DCE_TODOs): New.
3115         (propagate_necessity): Return if something changed.
3116         (eliminate_unnecessary_stmts): Likewise.
3117         (perform_tree_ssa_dce): Return TODO flags when needed.
3118         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3119
3120 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
3121
3122         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3123         (fyl2x_extend<mode>xf3_i387): New insn pattern.
3124         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3125         patterns using X87MODEF12 mode macro.  Extend operand 1
3126         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3127         (log10<mode>2): Ditto.
3128         (log2<mode>2): Ditto.
3129         (log1p<mode>2): Ditto.
3130         (logb<mode>2): Ditto.
3131         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3132         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3133         (*fxtractxf3_i387): Rename from *fxtractxf3.
3134         (fxtract_extend<mode>xf3_i387): New insn pattern.
3135         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3136         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3137         and gen_fyl2xxf3_i387().
3138
3139 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3140
3141         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3142         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
3143         get_loop_exit_edges.  Changed return type to bool.
3144         * cfgloop.h (fix_loop_placement): Declaration removed.
3145
3146 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
3147
3148         * param.h (MIN_VECT_LOOP_BOUND): New.
3149         * params.def (MIN_VECT_LOOP_BOUND): New.
3150         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3151         argument - minimum threshold for number of iterations.
3152         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3153         argument to declaration.
3154         * tree-vect-analyze.c (vect_analyze_operations): Check value of
3155         MIN_VECT_LOOP_BOUND.
3156         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3157         slpeel_tree_peel_loop_to_edge with additional argument.
3158         (vect_do_peeling_for_alignment): Likewise.
3159         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3160
3161 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
3162
3163         PR target/30413
3164         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3165         operands of size 1.
3166
3167 2007-01-14  Jan Hubicka  <jh@suse.cz>
3168
3169         * tree-dfa.c (remove_referenced_var): New function.
3170         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3171         prune referenced vars list too.
3172         * tree-flow.h (remove_referenced_var): Declare.
3173
3174 2007-01-14  Jan Hubicka  <jh@suse.cz>
3175
3176         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3177         separately.
3178         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3179         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3180         * except.h (verify_eh_throw_table_statements): Kill prototype.
3181         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3182         into call exrepssions.
3183         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3184         eh trhow verifier.
3185         * tree-cfg.c: Include pointer-set.h.
3186         (verify_node_sharing): Work on pointer set.
3187         (verify_eh_throw_stmt_node): New.
3188         (verify_stmts): Use pointers sets, verify throw_stmt.
3189
3190 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
3191
3192         * ipa-reference.c (analyze_function): Consider also addresses taken
3193         in phi nodes.
3194
3195 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3196
3197         * c-typeck.c (null_pointer_constant_p): Replace use of
3198         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3199         (build_c_cast): Likewise.
3200
3201 2007-01-12  Roger Sayle  <roger@eyesopen.com>
3202
3203         * tree.h (force_fit_type_double): Remove unused final argument.
3204         * c-common.c (constant_expression_warning): Replace use of
3205         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3206         (convert_and_check): Likewise.
3207         (shorten_compare): Update call to force_fit_type_double.
3208         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3209         * convert.c (convert_to_pointer): Update call to
3210         force_fit_type_double.
3211         * fold-const.c (force_fit_type_double): Remove overflowed_const
3212         argument.
3213         (int_const_binop, fold_convert_const_int_from_int,
3214         fold_convert_const_int_from_real, fold_div_compare,
3215         fold_sign_changed_comparison, fold_unary, fold_negate_const,
3216         fold_abs_const, fold_not_const): Remove the final argument from
3217         calls to force_fit_type_double.
3218
3219 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3220
3221         * configure.ac: Set insn to "nop" for spu-*-* also.
3222         * configure: Regenerate.
3223
3224 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
3225
3226         * builtins.def : Add BUILT_IN_FREE.
3227
3228 2007-01-12  Jan Hubicka  <jh@suse.cz>
3229
3230         PR tree-optimization/30443
3231         * tree-inline.c (tree_function_versioning): Do not optimize when
3232         cloning for inlining.
3233
3234 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
3235
3236         * doc/loop.texi: Document recording of loop exits.
3237         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3238         (update_single_exits_after_duplication,
3239         update_single_exit_for_duplicated_loop,
3240         update_single_exit_for_duplicated_loops): Removed.
3241         (duplicate_loop_to_header_edge): Do not call
3242         update_single_exits_after_duplication and
3243         update_single_exit_for_duplicated_loops.
3244         (loop_version): Do not update single_exit information.
3245         (fix_loop_structure): Use record_loop_exits instead of
3246         mark_single_exit_loops.
3247         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3248         the lists of loop exits.
3249         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3250         split_edge, merge_blocks): Update the lists of loop exits.
3251         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3252         loop_optimizer_init.
3253         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3254         of mark_single_exit_loops.
3255         (loop_optimizer_finalize): Call release_recorded_exits.
3256         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3257         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3258         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3259         update single exit information.
3260         * lambda-code.c (perfect_nestify): Ditto.
3261         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3262         (mark_single_exit_loops): Removed.
3263         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3264         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3265         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3266         functions.
3267         (get_loop_exit_edges, single_exit): Use recorded exit lists.
3268         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3269         (verify_loop_structure): Verify consistency of the exit lists.
3270         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
3271         (set_single_exit): Removed.
3272         * cfgloop.h (struct loop_exit): New function.
3273         (struct loop): single_exit_ field replaced by exits field.
3274         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3275         (struct loops): Added exits hash.
3276         (mark_single_exit_loops, set_single_exit): Declaration removed.
3277         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3278
3279 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3280
3281         * doc/invoke.texi: Avoid use of @headitem.
3282
3283 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3284
3285         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3286
3287 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3288
3289         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3290         list of targets.
3291
3292 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3293             Richard Sandiford  <richard@codesourcery.com>
3294
3295         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3296         * config/m68k/m68k.opt: Resort options.
3297         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3298
3299 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3300             Richard Sandiford  <richard@codesourcery.com>
3301
3302         * doc/invoke.texi: Document the macros that are defined by
3303         m68k's -mtune and -mhard-float options.
3304         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3305         (m68k_cpp_cpu_family): Likewise.
3306         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3307         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3308         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3309         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3310         (m68k_cpp_cpu_family): Likewise.
3311
3312 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3313
3314         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3315         macros besides mc68000 as tuning macros.  Use a switch statement
3316         to set them and mcpu32.
3317
3318 2007-01-12  Julian Brown  <julian@codesourcery.com>
3319
3320         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3321         (TARGET_68040_ONLY): Rename to...
3322         (TARGET_68040): ...this.
3323         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3324         * config/m68k/m68k.md: Likewise.
3325
3326 2007-01-12  Julian Brown  <julian@codesourcery.com>
3327             Nathan Sidwell  <nathan@codesourcery.com>
3328             Richard Sandiford  <richard@codesourcery.com>
3329
3330         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3331         the -mcpu= argument associated with the --with-cpu setting.
3332         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3333         if different from the one implied by the -mcpu setting.
3334         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3335         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3336         * doc/invoke.texi: Mention ColdFire in the introduction to the
3337         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3338         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3339         -mhard-float.  Document the previously-undocumented -m5206e,
3340         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3341         documentation for consistency.
3342         * doc/install.texi: Mention new --with-cpu arguments.
3343         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3344         default CPU if neither -mcpu nor -march are specified.
3345         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3346         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3347         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3348         using m68k_tune to decide between families that implement the
3349         same ISA.  Use m68k_tune to set __mcfv4e__.
3350         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3351         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3352         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3353         (FL_ISA_C, FL_ISA_MMU): New macros.
3354         (MASK_COLDFIRE): Delete.
3355         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3356         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3357         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3358         (TARGET_HARD_FLOAT): Do not define here.
3359         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3360         (TUNE_68000): New macro.
3361         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3362         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3363         (TUNE_CFV2): Redefine in terms of m68k_tune.
3364         (uarch_type, target_device, fpu_type): New enums.
3365         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3366         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3367         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3368         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3369         (FL_FOR_isa_c): New macros.
3370         (m68k_isa): New enum.
3371         (m68k_target_selection): New structure.
3372         (all_devices, all_isas, all_microarchs): New tables.
3373         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3374         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3375         (MASK_ALL_CPU_BITS): Delete.
3376         (m68k_find_selection): New function.
3377         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3378         Map the legacy target options to a combination of the new ones.
3379         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3380         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3381         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3382         settings.
3383         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3384         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3385         properties.
3386         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3387         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3388         * config/m68k/m68k-devices.def: New file.
3389
3390 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3391             Nathan Sidwell  <nathan@codesourcery.com>
3392
3393         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3394         (SUBTARGET_EXTRA_SPECS): New macros.
3395         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3396         use %(asm_cpu_spec) instead.
3397         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3398         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3399         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3400         (EXTRA_SPECS): Rename to...
3401         (SUBTARGET_EXTRA_SPECS): ...this.
3402
3403 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3404             Richard Sandiford  <richard@codesourcery.com>
3405             Julian Brown  <julian@codesourcery.com>
3406
3407         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3408         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3409         to the configuration's default CPU.
3410         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3411         Remove default masks.
3412         (m680[012]0-*-*): Set the default with_cpu to the first part of
3413         the target name.
3414         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3415         (m68k*-*-linux): Extend the --with-cpu handling to...
3416         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3417         and m68010.  Don't set target_cpu_default2.
3418         * doc/install.texi: Document --with-cpu for m68k.
3419         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3420         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3421         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3422         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3423         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3424         (ASM_SPEC): Remove use of %(asm_cpu_default).
3425         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3426         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3427         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3428         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3429         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3430         (TARGET_DEFAULT): Delete.
3431         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3432         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3433         (CPP_CPU_SPEC): Delete.
3434         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3435         the appropriate string.
3436         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3437         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3438         (ASM_SPEC): Don't use %(asm_default_spec).
3439         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3440         TARGET_DEFAULT and add MASK_68881.
3441         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3442
3443 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3444
3445         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3446         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3447         MASK_68010 alongside MASK_68020.
3448         * doc/invoke.texi: Document -m68010.
3449         * config/m68k/m68k.opt (m68010): New.
3450         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3451         if TUNE_68010.
3452         (TUNE_68010): New macro.
3453         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3454         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3455         (M68K_CPU_m68332): Add MASK_68010.
3456         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3457         fallback definition.
3458         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3459         defines.
3460         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3461         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3462         to all entries that use MASK_68020.
3463         (output_move_simode_const, output_move_himode, output_move_qimode)
3464         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3465         instead of TARGET_68020 to select clr behavior.  Remove comment
3466         about there being no TARGET_68010.
3467         * config/m68k/m68k.md: Likewise throughout.
3468
3469 2007-01-12  Julian Brown  <julian@codesourcery.com>
3470
3471         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3472         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3473         * config/m68k/m68k.md: Likewise.
3474
3475 2007-01-12  Julian Brown  <julian@codesourcery.com>
3476
3477         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3478         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3479
3480 2007-01-12  Julian Brown  <julian@codesourcery.com>
3481
3482         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3483         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3484         * config/m68k/m68k.md: Likewise.
3485
3486 2007-01-12  Julian Brown  <julian@codesourcery.com>
3487             Richard Sandiford  <richard@codesourcery.com>
3488
3489         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3490         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3491         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3492         TARGET_CPU32.
3493         (TARGET_CPU32): Rename to...
3494         (TUNE_CPU32): ...this.
3495         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3496         (TUNE_CFV2): New macros.
3497         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3498         remove conditions that are implied by TARGET_68020.
3499         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3500         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3501         (m68k_output_function_epilogue): Likewise.
3502         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3503         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3504         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3505         non-68000 timings.  Refactor multiplication and division costs.
3506         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3507         TUNE_CPU32 instead of TARGET_CPU32.
3508         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3509         and TUNE_68060 instead of TARGET_68060.
3510         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3511         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3512         TARGET_CPU32.
3513         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3514         && !TARGET_COLDFIRE" to choose between moveq and clr.
3515         Likewise in the unnamed movsf pattern.
3516         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3517         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3518         ashiftrt pattern.
3519
3520 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3521
3522         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3523         of tabbing before backslashes.
3524
3525 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3526
3527         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3528         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3529         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3530
3531 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3532
3533         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3534         find_interesting_uses_cond.
3535         (find_interesting_uses_cond): Use extract_cond_operands.
3536         (rewrite_use_compare): Use extract_cond_operands and
3537         force_gimple_operand_bsi.  Do not call update_stmt.
3538         (determine_use_iv_cost_condition): Use extract_cond_operands.
3539         Return cheaper of using original bound and changing the exit bound.
3540
3541 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3542
3543         PR tree-optimization/29516
3544         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3545         most_expensive_mult_to_index, addr_to_parts,
3546         create_mem_ref, maybe_fold_tmr): Make the type of
3547         fields of TARGET_MEM_REF sizetype.
3548         (move_fixed_address_to_symbol, move_pointer_to_base):
3549         New functions.
3550         * tree.def (TARGET_MEM_REF): Add comment on types of
3551         the operands.
3552
3553 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3554
3555         * c-common.c (vector_types_convertible_p): Treat opaque types as
3556         always convertible if they have the same size, but not otherwise.
3557
3558 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3559
3560         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3561         Remove the b_unconditional field.
3562         (noce_try_sign_mask): Do not look at b_unconditional.
3563         (noce_process_if_block): Do not use merge_if_blocks.  Update
3564         the CFG here.  Do not set b_unconditional.
3565         (cond_move_process_if_block): Likewise.
3566         (find_cond_trap): Likewise.
3567         (check_cond_move_block): Require simple jump insns at the end
3568         of the basic block.
3569
3570 2007-01-11  Jan Hubicka  <jh@suse.cz>
3571
3572         PR tree-optimization/1046
3573         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3574         when alias info is not ready.
3575         (pass_tail_recursion): Do not require aliasing.
3576         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3577         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3578         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3579         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3580         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3581         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3582         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3583         before inlining.
3584         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3585         When aliasing is not build, mark statement as volatile.
3586
3587 2007-01-11  Tom Tromey  <tromey@redhat.com>
3588
3589         PR preprocessor/15185, PR preprocessor/20989:
3590         * doc/cppopts.texi <-MT>: Update description of algorithm for
3591         computing default target.
3592         <-M, -MD>: Reword "basename" text.
3593
3594 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3595
3596         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3597         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3598         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3599         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3600         fold_builtin_bswap, real_constp, fold_builtin_pow,
3601         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3602         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3603         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3604         * convert.c (convert_to_pointer): Likewise.
3605         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3606         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3607         const_binop, fold_convert_const_int_from_int,
3608         fold_convert_const_int_from_real,
3609         fold_convert_const_real_from_real, sign_bit_p,
3610         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3611         fold_sign_changed_comparison, fold_unary, fold_comparison,
3612         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3613         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3614         * print-tree.c (print_node_brief, print_node): Likewise.
3615         * stor-layout.c (place_field, layout_type): Likewise.
3616         * tree-chrec.c (keep_cast): Likewise.
3617         * tree.c (build_vector, build_real, build_real_from_int_cst,
3618         build_complex): Likewise.
3619
3620 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3621
3622         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3623         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3624
3625 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3626
3627         * configure.ac (strict1_warn): Rename to strict_warn.
3628         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3629         cc_set_by_configure, quoted_cc_set_by_configure,
3630         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3631         all_boot_languages, all_stagestuff): Remove.
3632         (target_list): Remove bootstrap targets.
3633         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3634         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3635         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3636         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3637         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3638         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3639         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3640         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3641         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3642         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3643         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3644         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3645         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3646         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3647         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3648         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3649         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3650         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3651         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3652         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3653         (mostlyclean): Adjust.
3654         (clean, distclean): Don't mention bootstrap stuff.
3655         * configure: Regenerate.
3656         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3657         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3658         treelang/config-lang.in (stagestuff): Remove.
3659         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3660         stageprofile, stagefeedback, stagestuff): Remove mention.
3661
3662 2007-01-11  Nick Clifton  <nickc@redhat.com>
3663
3664         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3665         Accept CONSTs.
3666         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3667         (mcore_arith_K_S_operand): Run the test for the S constraint not
3668         the test for the M constraint.
3669         (mcore_addsub_operand): Do not accept integer values that are
3670         larger than 32 bits.
3671         * config/mcore/mcore.md: Remove unused constraints from split.
3672         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3673         (addsi3): Likewise.
3674         (allocate_stack): Likewise.
3675         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3676         operands to 32 bits.
3677         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3678         INTVAL.
3679         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3680         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3681         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3682         mcore_output_bclri, mcore_output_andn, output_inline_const,
3683         mcore_output_move, mcore_output_movedouble): Likewise.
3684         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3685         (output_inline_const): Likewise.
3686         (output_inline_const): Fix format strings used in sprintf
3687         statements.
3688         * config/mcore/mcore-protos.h: Update prototypes for changed
3689         functions in mcore.c.
3690         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3691         HOST_WIDE_INT and not int.
3692         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3693         CONST_OK_FOR_N): Likewise.
3694         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3695         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3696         an INTVAL.
3697
3698 2007-01-10  Jan Hubicka  <jh@suse.cz>
3699
3700         * tree-vrp.c (remove_range_assertions): Release defs.
3701         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3702         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3703
3704 2007-01-10  Paul Brook  <paul@codesourcery.com>
3705
3706         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3707         * config/arm/arm.md (mulsi3subsi): New insn.
3708
3709 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
3710
3711         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3712         (tree_transform_and_unroll_loop): New.
3713         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3714         Declare.
3715
3716 2007-01-10  Robert Kennedy <jimbob@google.com>
3717
3718         * fold-const.c (fold_comparison): Fold comparisons like (x *
3719         1000 < 0) to (x < 0).
3720
3721 2007-01-10  Ian Lance Taylor  <iant@google.com>
3722
3723         * tree-pretty-print.c (dump_generic_node): Print parentheses when
3724         operands have the same priority.
3725
3726 2007-01-10  Tom Tromey  <tromey@redhat.com>
3727
3728         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3729         (fold_binary): Likewise.
3730         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3731         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3732         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3733         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3734         * langhooks.h (struct lang_hooks): Removed field
3735         'can_use_bit_fields_p'.
3736
3737 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
3738
3739         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3740
3741 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
3742
3743         * function.c (get_last_funcdef_no): New function.
3744         * function.h (get_last_funcdef_no): Declare.
3745         * tree-inline.c (initialize_cfun): Add initialization.
3746         (tree_function_versioning): Cleanup.
3747
3748 2007-01-10  Jan Hubicka  <jh@suse.cz>
3749
3750         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3751         PHIs.
3752
3753 2007-01-10  Sa Liu  <saliu@de.ibm.com>
3754             Ben Elliston  <bje@au.ibm.com>
3755
3756         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3757         for SAVE_NONLOCAL and Pmode for any other save level.
3758         * spu-protos.h (spu_restore_stack_block): Declare.
3759         * spu.md (save_stack_block): Remove.
3760         (restore_stack_block): Call spu_restore_stack_block.
3761         * spu.c (spu_restore_stack_block): New function.
3762         (spu_expand_epilogue): Remove old comment.
3763
3764 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
3765
3766         PR tree-optimization/30322
3767         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3768         (cand_value_at): Return the value as aff_tree.
3769         (may_eliminate_iv): Convert the bound from aff_tree to tree.
3770         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3771         aff_combination_mult): New functions.
3772         (aff_combination_add): Use aff_combination_add_cst.
3773         (aff_combination_convert): Allow conversions to a wider type.
3774         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3775         * tree-affine.h (aff_combination_mult): Declare.
3776
3777 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
3778
3779         * doc/tm.texi: Update documentation to reflect reality of exec
3780         and start file search behaviours. Update copyright year.
3781         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3782         header file directories.
3783
3784 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
3785
3786         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3787         (*cosxf2): Rename to cosxf2_i387.
3788         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
3789         using X87MODEF12 mode macro. Rename patterns to
3790         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
3791         for SSE math.
3792         (*cosdf2, *cossf2): Ditto.
3793         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
3794         to match extended input operands.
3795         (sincos<mode>3): New expander.
3796         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3797         insn patterns and corresponding splitters.
3798
3799 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3800
3801         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3802         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3803
3804 2007-01-09  Nicolas Pitre  <nico@cam.org>
3805
3806         PR target/30173
3807         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3808
3809 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3810
3811         * target.h (struct gcc_target): New field library_rtti_comdat.
3812         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3813         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3814         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3815         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3816
3817 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3818
3819         * doc/invoke.texi (Optimize Options): Correct description of -O0.
3820
3821 2007-01-08  Richard Guenther  <rguenther@suse.de>
3822
3823         * tree.h (force_fit_type_double): Export.
3824         (force_fit_type): Remove.
3825         * fold-const.c (force_fit_type_double): New function.
3826         (force_fit_type): Remove.
3827         (int_const_binop): Use it.
3828         (fold_convert_const_int_from_int): Likewise.
3829         (fold_convert_const_int_from_real): Likewise.
3830         (fold_div_compare): Likewise.
3831         (fold_sign_changed_comparison): Likewise.
3832         (fold_unary): Likewise.
3833         (fold_negate_const): Likewise.
3834         (fold_abs_const): Likewise.
3835         (fold_not_const): Likewise.
3836         * c-common.c (shorten_compare): Use force_fit_type_double.
3837         * convert.c (convert_to_pointer): Likewise.
3838
3839 2007-01-08  Richard Guenther  <rguenther@suse.de>
3840
3841         * tree.h (build_int_cst_wide_type): Export.
3842         * tree.c (build_int_cst_wide_type): New function.
3843         (build_int_cst_wide): Fix comment.
3844         * builtins.c (fold_builtin_object_size): Use build_int_cst
3845         to build -1 or 0 of the correct type.  Use fit_double_type
3846         to check for overflow.
3847         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3848         to build the mask.
3849         (decode_field_reference): Likewise.
3850         (all_ones_mask_p): Likewise.
3851         (native_interpret_int): Use build_int_cst_wide_type.
3852         (fold_binary): Use build_int_cst_type to build an all-ones
3853         value.
3854         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3855
3856 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
3857
3858         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3859
3860 2007-01-09  Ben Elliston  <bje@au.ibm.com>
3861
3862         * genautomata.c (STATS_OPTION): New option.
3863         (stats_flag): New flag.
3864         (gen_automata_option): Handle it.
3865         (initiate_automaton_gen): Ditto.
3866         (write_automata): Output statistics only if stats_flag is
3867         set. Likewise, output time statistics only if time_flag is set.
3868         * doc/md.texi (Processor pipeline description): Document new flag.
3869
3870 2007-01-08  Richard Guenther  <rguenther@suse.de>
3871
3872         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
3873         * tree.c (build_int_cst_type): Likewise.
3874         (size_in_bytes): Don't call force_fit_type on the result.
3875         (int_fits_type_p): Use fit_double_type.
3876         * fold-const.c (fit_double_type): New function.
3877         (force_fit_type): Use it.
3878         * tree.h (fit_double_type): Export.
3879
3880 2007-01-08  Jan Hubicka  <jh@suse.cz>
3881
3882         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
3883         * ipa.c (function_and_variable_visibility): Fix return type.
3884
3885 2007-01-08  Richard Guenther  <rguenther@suse.de>
3886
3887         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
3888         of offset to build the index.
3889         * tree-pretty-print.c (dump_generic_node): Don't build negated
3890         const just for printing.
3891         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3892         * builtins.c (fold_builtin_int_roundingfn): Check if result
3893         fits the type by using force_fit_type and comparing the result.
3894         * predict.c (predict_loops): Use compare_tree_int for comparison.
3895         * tree.c (build_int_cst): Fall back to integer_type_node for
3896         NULL_TREE type.
3897         (build_int_cst_wide): Assert type is non-null.
3898
3899 2007-01-08  Roberto Costa  <roberto.costa@st.com>
3900
3901         * tree-vrp.c (extract_range_from_cond_expr): New.
3902         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
3903         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
3904         as expressions.
3905         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
3906         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
3907         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
3908         used as expressions.
3909         * tree-object-size.c (cond_expr_object_size): New.
3910         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3911
3912 2007-01-08  Jan Hubicka  <jh@suse.cz>
3913
3914         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3915         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3916         statement.
3917
3918 2007-01-08  Richard Guenther  <rguenther@suse.de>
3919
3920         PR tree-optimization/23603
3921         * tree-vrp.c (set_value_range_to_truthvalue): New function.
3922         (extract_range_from_binary): Fall back to truthvalue instead of
3923         varying for TRUTH_*_EXPR.
3924         (extract_range_from_comparison): Fall back to truthvalue instead of
3925         varying.
3926         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
3927         if all visited PHI values were constant.
3928
3929 2007-01-08  Jan Hubicka  <jh@suse.cz>
3930
3931         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
3932         (cgraph_analyze_function): break out from ...
3933         (cgraph_finalize_compilation_unit): ... here.
3934         (cgraph_expand_function): Remove forgoten commented out line.
3935         (cgraph_optimize): Analyze functions.
3936
3937 2007-01-08  Jan Hubicka  <jh@suse.cz>
3938
3939         * tree-pas.h (TODO_remove_function): New flag.
3940         (TODO_update*): Renumber.
3941         (pass_ipa_increase_alignment,
3942         pass_ipa_function_and_variable_visibility): New passes.
3943         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
3944         (cgraph_function_and_variable_visibility): Move to ipa.c
3945         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
3946         cgraph_increase_alignment.
3947         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
3948         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
3949         calling tree-inline.
3950         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
3951         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
3952         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
3953         (gate_increase_alignment): New function.
3954         (pass_ipa_increase_alignment): New pass.
3955         * ipa.c: Inline tree-pass.h and timevar.h
3956         (function_and_variable_visibility): Move here from cgraphunit.c
3957         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
3958         * passes.c (init_optimization_passes): Add the two new passes.
3959         (execute_todo): Handle cgraph_remove_functions.
3960
3961 2007-01-08  Nick Clifton  <nickc@redhat.com>
3962
3963         * config/frv/predicates.md (reg_or_0_operand): Accept
3964         CONST_DOUBLEs.
3965
3966 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
3967
3968         * config/bfin/rtems.h, config/bfin/t-rtems: New.
3969         * config.gcc: Add bfin*-rtems*.
3970
3971 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3972
3973         * c.opt: Add -flax-vector-conversions.
3974         * c-typeck.c (convert_for_assignment): Pass flag to
3975         vector_types_convertible_p to allow emission of note.
3976         (digest_init): Likewise.
3977         * c-opts.c: Handle -flax-vector-conversions.
3978         * c-common.c (flag_lax_vector_conversions): New.
3979         (vector_types_convertible_p): Unless -flax-vector conversions
3980         has been passed, disallow conversions between vectors with
3981         differing numbers of subparts and/or element types.  If such
3982         a conversion is disallowed, possibly emit a note on the first
3983         occasion only to inform the user of -flax-vector-conversions.
3984         The new last argument specifies this.
3985         * c-common.h (flag_lax_vector_conversions): New.
3986         (vector_types_convertible_p): Add extra argument.
3987         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
3988         char_type_node for V*QI type vectors.
3989         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
3990         Update to satisfy new typechecking rules.
3991         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
3992         C and C++ variants.
3993         * doc/invoke.texi (C Dialect Options): Document
3994         -flax-vector-conversions.
3995
3996 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3997
3998         PR tree-optimization/29877
3999         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4000         a register variable on the RHS to not be replaceable.
4001
4002 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
4003         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4004         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4005         const_simm15, const_pow2, const_npow2): Added.
4006         * config/score/misc.md (insv, extv, extzv, movmemsi,
4007         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4008         * config/score/score.c (score_address_cost, score_select_cc_mode):
4009         Added.
4010         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4011         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4012         Update score_print_operand.
4013         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4014         Adjust register allocate order and update some macro define.
4015         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4016         mdx_block_move_straight, mdx_block_move_loop_head,
4017         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4018         mdx_block_move): Added.
4019         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4020         mdp_limm): Updated and fix some bug and typo.
4021         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4022         (movsf, movdf, doloop_end): Added.
4023
4024 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
4025
4026         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4027         config/arm/thumb2.md: Fix comment typos.
4028         * doc/extend.texi: Fix a typo.
4029
4030 2007-01-07  Eric Christopher  <echristo@apple.com>
4031
4032         * configure.ac: Check for __stack_chk_fail for darwin.
4033         * configure: Regenerate.
4034
4035 2007-01-07  Richard Guenther  <rguenther@suse.de>
4036
4037         * tree-vrp.c (extract_range_from_assert): CSE calls to
4038         compare_values where possible.
4039         (extract_range_from_unary_expr): Likewise.
4040
4041 2007-01-07  Anatoly Sokolov <aesok@post.ru>
4042
4043         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4044         * config/avr/avr.c (call_insn_operand): Delete function.
4045         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4046         instead of register number. Use predicates.
4047         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4048         call_insn_operand): Add.
4049
4050 2007-01-06  Jan Hubicka  <jh@suse.cz>
4051
4052         * tree-pass.h (pass_build_cgraph_edges): Declare.
4053         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4054         (visited_nodes): Remove.
4055         (cgraph_create_edges): Move to cgraphbuild.c; rename to
4056         build_cgrpah_edges; make visited_nodes local.
4057         (cgraph_process_new_functions): DO not call initialize_inline_failed.
4058         (record_references_in_initializer): Move to cgraphbuild.c
4059         (initialize_inline_failed, rebuild_cgraph_edges,
4060         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4061         (verify_cgraph_node): Make visited_nodes local.
4062         (cgraph_analyze_function): Do not call cgraph_create_edges and
4063         initialize_inline_failed.
4064         (cgraph_expand_function): Do not call cgraph_lower_function;
4065         assert that function is already lowered.
4066         * Makefile.in (cgraphbuild.o): New.
4067         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4068         at the end of lowering passes.
4069
4070 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
4071
4072         * ifcvt.c (cond_move_convert_if_block): New function, code
4073         factored out from...
4074         (cond_move_process_if_block): ...here.  Call the new function
4075         on the THEN and ELSE blocks.
4076         (merge_if_block): Do not copy global_live_at_end, merge_blocks
4077         already takes care of this.
4078
4079 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4080
4081         PR c/19978
4082         * tree.h (TREE_OVERFLOW_P): New.
4083         * c-typeck.c (parser_build_unary_op): Warn only if result
4084         overflowed and operands did not.
4085         (parser_build_binary_op): Likewise.
4086         (convert_for_assignment): Remove redundant overflow_warning.
4087         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4088
4089 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4090
4091         * c-typeck.c (store_init_value): Split over two lines to follow
4092         the GNU coding style.
4093
4094 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
4095
4096         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4097         __GXX_EXPERIMENTAL_CXX0X__.
4098         * doc/cpp.texi: Same.
4099
4100 2007-01-05  Richard Guenther  <rguenther@suse.de>
4101
4102         PR middle-end/27826
4103         * tree.c (get_narrower): Do not construct COMPONENT_REFs
4104         with mismatched types.  Instead explicitly build a
4105         conversion NOP_EXPR.
4106
4107 2007-01-05  Ian Lance Taylor  <iant@google.com>
4108
4109         * c-common.c (decl_with_nonnull_addr_p): New function.
4110         (c_common_truthvalue_conversion): Call it.
4111         * c-typeck.c (build_binary_op): Likewise.
4112         * c-common.h (decl_with_nonnull_addr_p): Declare.
4113
4114 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
4115
4116         PR c/30360
4117         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4118         denom against 0.0.
4119
4120 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
4121
4122         * doc/install.texi (Final install): Document the fact that
4123         the GNAT runtime should not be stripped.
4124
4125 2007-01-04  Jan Hubicka  <jh@suse.cz>
4126
4127         * tree-inline.c (fold_marked_statements): Update operand caches
4128         and EH after folding
4129
4130 2007-01-04  Ian Lance Taylor  <iant@google.com>
4131
4132         * c-common.c (check_function_nonnull): Whitespace fix.
4133
4134 2007-01-04  Jan Hubicka  <jh@suse.cz>
4135
4136         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4137         comitted older version of patch.
4138         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4139         function, celanup cfg and collect garbage.
4140
4141 2007-01-04  Mike Stump  <mrs@apple.com>
4142
4143         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4144         (clean): Likewise.
4145
4146 2007-01-04  Eric Christopher  <echristo@apple.com>
4147
4148         * libgcc2.c (__bswapsi2): Use SItype.
4149         (__bswapdi2): Use DItype.
4150         * libgcc2.h: Update for above.
4151
4152 2007-01-04  Paul Brook  <paul@codesourcery.com>
4153
4154         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4155         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4156         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4157         umulsidi3, umulsidi3adddi, smulsi3_highpart,
4158         umulsi3_highpart): Make conditional on !arm_arch6.
4159         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4160         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4161         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4162         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4163         umulsi3_highpart_v6): New insns.
4164
4165 2007-01-04  Roger Sayle  <roger@eyesopen.com>
4166
4167         * fold-const.c (fold_convert): When casting an expression to void,
4168         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4169         have a type.  Instead of attempting to build a NOP_EXPR, return
4170         these "special" trees directly.
4171
4172 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
4173
4174         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4175         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
4176         rs6000_cost->fp not 0 as adjustment for outer NEG.
4177
4178 2007-01-04  Jan Hubicka  <jh@suse.cz>
4179
4180         * cgraph.c (cgraph_release_function_body): New function.
4181         (cgraph_remove_node): Use it.
4182         * cgraph.h (cgraph_release_function_body): Declare.
4183         * cgraphunit.c (cgraph_expand_function): Use it.
4184         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4185         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4186         is initialized and while compilation of other function is running.
4187         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4188         statement CFG annotations from here to ...
4189         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4190
4191 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
4192
4193         * cfgloop.h (enum li_flags): Make the constants powers of two.
4194
4195 2007-01-04  Jan Hubicka  <jh@suse.cz>
4196
4197         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4198         set.
4199         (fold_marked_statements): New function.
4200         (optimize_inline_calls, tree_function_versioning): Fold new statements.
4201         * tree-inline.h (copy_body_data): Add statements_to_fold.
4202
4203 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
4204
4205         * config.gcc: Mention libgcc/config.host.
4206         * Makefile.in: Update comments mentioning libgcc.
4207         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4208         (all.cross, start.encap, rest.encap, rest.cross): Update
4209         dependencies for libgcc move.
4210         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4211         (clean-target, clean-target-libgcc): Delete.
4212         (srcdirify, GCC_EXTRA_PARTS): New macros.
4213         (libgcc-support, libgcc.mvars): New rules.
4214         (distclean): Remove mention of mklibgcc.
4215         (install): Don't reference INSTALL_LIBGCC.
4216         (install-common): Don't reference EXTRA_PARTS.
4217         (install-libgcc, install-multilib): Delete rules.
4218         * mklibgcc.in: Delete file.
4219         * doc/configfiles.texi: Don't mention mklibgcc.
4220
4221         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4222         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4223         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4224         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4225         (mklibgcc, ldblspecs): Likewise.
4226
4227         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4228         (posixpre.def): Use $(T).
4229         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4230         (SHLIB_SRC, SHLIB_INSTALL): Delete.
4231         (SHLIB_LINK): Make dummy.
4232         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4233
4234         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4235
4236         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4237         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4238         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4239         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4240
4241         * configure.ac (all_outputs): Remove mklibgcc.
4242         * configure: Regenerated.
4243
4244 2007-01-03  Josh Conner  <jconner@apple.com>
4245
4246         PR middle-end/29683
4247         * calls.c (compute_argument_addresses): Set stack and stack_slot
4248         for partial args, too.
4249         (store_one_arg): Use locate.size.constant for the size when
4250         generating a save_area.
4251
4252 2007-01-03  Robert Kennedy <jimbob@google.com>
4253
4254         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4255         whose definitions are deleted due to basic block merging.
4256
4257 2007-01-03  Paul Brook  <paul@codesourcery.com>
4258
4259         PR target/16634
4260         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4261         functions.
4262         (use_return_insn): Return 0 for Thumb interrupt functions.
4263         (print_multi_reg): Add rfe argument for IRQ returns.
4264         (arm_output_epilogue): Pop interrupt return address directly into PC.
4265         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4266
4267 2007-01-03  Paul Brook  <paul@codesourcery.com>
4268
4269         Merge from sourcerygxx-4_1.
4270         * config/arm/thumb2.md: New file.
4271         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4272         Thumb-2.
4273         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4274         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4275         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4276         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4277         tables.
4278         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4279         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4280         comptibility.
4281         * config/arm/ieee754-sf.S: Ditto.
4282         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4283         (thumb1_base_register_rtx_p): ... to this.
4284         (thumb_index_register_rtx_p): Rename...
4285         (thumb1_index_register_rtx_p): ... to this.
4286         (thumb_output_function_prologue): Rename...
4287         (thumb1_output_function_prologue): ... to this.
4288         (thumb_legitimate_address_p): Rename...
4289         (thumb1_legitimate_address_p): ... to this.
4290         (thumb_rtx_costs): Rename...
4291         (thumb1_rtx_costs): ... to this.
4292         (thumb_compute_save_reg_mask): Rename...
4293         (thumb1_compute_save_reg_mask): ... to this.
4294         (thumb_final_prescan_insn): Rename...
4295         (thumb1_final_prescan_insn): ... to this.
4296         (thumb_expand_epilogue): Rename...
4297         (thumb1_expand_epilogue): ... to this.
4298         (arm_unwind_emit_stm): Rename...
4299         (arm_unwind_emit_sequence): ... to this.
4300         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4301         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4302         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4303         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4304         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4305         thumb2_output_casesi): New functions.
4306         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4307         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4308         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4309         THUMB2_WORK_REGS): Define.
4310         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4311         arm_condexec_mask, arm_condexec_masklen)): New variables.
4312         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4313         (arm_override_options): Check new CPU capabilities.
4314         Set new architecture flag variables.
4315         (arm_isr_value): Handle v7m interrupt functions.
4316         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4317         Thumb-2.
4318         (const_ok_for_arm): Handle Thumb-2 constants.
4319         (arm_gen_constant): Ditto.  Use movw when available.
4320         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4321         functions.
4322         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4323         (thumb_find_work_register, arm_load_pic_register,
4324         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4325         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4326         print_multi_reg, output_mov_long_double_fpa_from_arm,
4327         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4328         output_mov_double_fpa_from_arm, output_move_double,
4329         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4330         output_return_instruction, arm_output_function_prologue,
4331         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4332         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4333         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4334         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4335         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4336         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4337         '!' and 'L'.
4338         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4339         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4340         (arm_file_start): Output directive for unified syntax.
4341         (arm_unwind_emit_set): Handle stack alignment instruction.
4342         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4343         Add v6t2, v7, v7a, v7r and v7m.
4344         (RETLDM): Add Thumb-2 code.
4345         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4346         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4347         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4348         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4349         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4350         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4351         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4352         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4353         ADJUST_INSN_LENGTH): Define.
4354         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4355         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4356         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4357         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4358         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4359         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4360         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4361         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4362         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4363         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4364         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4365         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4366         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4367         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4368         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4369         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4370         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4371         cortex-m3.
4372         * config/arm/arm-tune.md: Regenerate.
4373         * config/arm/arm-protos.h: Update prototypes.
4374         * config/arm/vfp.md: Enable patterns for Thumb-2.
4375         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4376         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4377         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4378         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4379         * config/arm/libunwind.S: Add Thumb-2 code.
4380         * config/arm/constraints.md: Update include Thumb-2.
4381         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4382         * config/arm/ieee754-df.S: Ditto.
4383         * config/arm/bpabi.S: Ditto.
4384         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4385         * config/arm/predicates.md (low_register_operand,
4386         low_reg_or_int_operand, thumb_16bit_operator): New.
4387         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4388         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4389         * config/arm/t-arm-elf: Add armv7 multilib.
4390         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4391         Include thumb2.md.
4392         (UNSPEC_STACK_ALIGN, ce_count): New.
4393         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4394         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4395         insns/expanders.
4396         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4397         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4398         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4399         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4400         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4401         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4402         insns.
4403         * doc/extend.texi: Document ARMv7-M interrupt functions.
4404         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4405
4406 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4407
4408         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4409         (struct _Unwind_Context): Rename args_size to flags, remove
4410         signal_frame field, add a new args_size field and version field.
4411         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4412         _Unwind_IsExtendedContext): New inline functions.
4413         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4414         Assume by_value array is only present if _Unwind_IsExtendedContext.
4415         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4416         _Unwind_IsSignalFrame.
4417         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4418         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4419         (uw_init_context_1): Initialize context->flags to
4420         EXTENDED_CONTEXT_BIT.
4421         * config/rs6000/linux-unwind.h (frob_update_context): Use
4422         _Unwind_SetSignalFrame.
4423
4424 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4425
4426         PR middle-end/30353
4427         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4428         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4429         the value.
4430
4431 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4432
4433         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4434         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4435         RET, AT_SP): Remove.
4436         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4437         instead of RET.
4438
4439         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4440         * cfgbuild.c (find_basic_blocks): Likewise.
4441         * cfgrtl.c (rtl_create_basic_block): Likewise.
4442         * function.c (temp_slots_at_level): Likewise.
4443         * reg-stack.c (stack_regs_mentioned): Likewise.
4444         * regclass.c (allocate_reg_info): Likewise.
4445         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4446         set_bb_for_stmt, move_block_to_fn): Likewise.
4447         * tree-complex.c (tree_lower_complex): Likewise.
4448         * vec.h (VEC_safe_grow_cleared): New.
4449
4450         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4451
4452 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4453
4454         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4455         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4456         to loop_version.
4457         * cfgloopmanip.c (scale_loop_frequencies): Export.
4458         (loopify): Scale the frequencies by prescribed coefficients.
4459         (set_zero_probability): New function.
4460         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4461         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4462         and frequencies according to arguments.
4463         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4464         correctly.
4465         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4466         * modulo-sched.c (sms_schedule): Set probabilities for entering
4467         versioned loop correctly.
4468         * tree-vect-transform.c (vect_transform_loop): Ditto.
4469         * cfgloop.h (loopify, loop_version): Declaration changed.
4470         (scale_loop_frequencies): Declared.
4471
4472 2007-01-02  Jan Hubicka  <jh@suse.cz>
4473
4474         * cgraph.c: Include tree-flow.h
4475         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4476         early_local_passes.
4477         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4478         * tree-pass.h (pass_all_early_optimizations): Declare.
4479         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4480         early_local_passes.
4481         (cgraph_analyze_function): Do early_local_passes.
4482         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4483         Do not add referenced vars.
4484         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4485         SSA form.
4486         (gate_all_early_local_passes): New gate.
4487         (pass_early_local_passes): Use new gate.
4488         (execute_early_local_optimizations): New functions.
4489         (gate_all_early_optimizations): New gate.
4490         (pass_all_early_optimizations): New pass.
4491         (execute_free_datastructures): Free SSA only when initialized.
4492         (gate_init_datastructures): Init only when optimizing.
4493         (tree_lowering_passes): Do early local passes when called late.
4494         * tree-profile.c (do_tree_profiling): Don't profile functions added
4495         late.
4496         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4497         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4498         not active.
4499         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4500         during early_local_passes.
4501         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4502
4503
4504 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4505
4506         * Makefile.in: Update copyright year.
4507
4508 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4509
4510         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4511         in $(lang_checks) and check-consistency targets.
4512
4513 2007-01-02  Jan Hubicka  <jh@suse.cz>
4514
4515         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4516         Do not add referenced vars.
4517         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4518         are not active.
4519         * passes.c (init_optimization_passes): Put mudflap_2 after
4520         free_datastructures.
4521
4522 2007-01-02  Jan Hubicka  <jh@suse.cz>
4523
4524         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4525         Set NOTHROW flag on call statements proved to be nothrow.
4526         Update statement of local calls so new pure/const functions are
4527         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4528         goto receivers.
4529         (tree_rest_of_compilation): Register hooks and initialize bitmap
4530         early. Do not set after_inlining flag.
4531
4532 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4533
4534         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4535         HOST_BITS_PER_LONGLONG
4536
4537 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4538
4539         PR c/19977
4540         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4541         warning for non-static initializers.
4542
4543 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4544
4545         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4546         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4547         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4548         Always use set_unique_reg_note to add REG_EQUAL notes.
4549
4550 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4551
4552         Revert:
4553         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4554
4555         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4556         * cfgbuild.c (find_basic_blocks): Likewise.
4557         * cfgrtl.c (rtl_create_basic_block): Likewise.
4558         * function.c (temp_slots_at_level): Likewise.
4559         * reg-stack.c (stack_regs_mentioned): Likewise.
4560         * regclass.c (allocate_reg_info): Likewise.
4561         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4562         set_bb_for_stmt, move_block_to_fn): Likewise.
4563         * tree-complex.c (tree_lower_complex): Likewise.
4564         * vec.h (VEC_safe_grow_cleared): New.
4565
4566 2007-01-02  Ian Lance Taylor  <iant@google.com>
4567
4568         * c-common.c (c_common_truthvalue_conversion): When warning about
4569         using an assignment as a truth value, set TREE_NO_WARNING.
4570
4571 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4572
4573         PR middle-end/7651
4574         * c.opt (Wold-style-declaration): New.
4575         * doc/invoke.texi (C-only Warning Options): New.
4576         (Wold-style-declaration): Document it.
4577         (Wextra): Enabled by -Wextra.
4578         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4579         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4580         -Wold-style-declaration.
4581
4582 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4583
4584         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4585         * cfgbuild.c (find_basic_blocks): Likewise.
4586         * cfgrtl.c (rtl_create_basic_block): Likewise.
4587         * function.c (temp_slots_at_level): Likewise.
4588         * reg-stack.c (stack_regs_mentioned): Likewise.
4589         * regclass.c (allocate_reg_info): Likewise.
4590         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4591         set_bb_for_stmt, move_block_to_fn): Likewise.
4592         * tree-complex.c (tree_lower_complex): Likewise.
4593         * vec.h (VEC_safe_grow_cleared): New.
4594
4595 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4596
4597         * c-common.c (c_common_nodes_and_builtins): Since variants of
4598         void_type_node get built before it is given a name, we need to
4599         give those variants the name, too.
4600         (complete_array_type): We need to work with the canonical main
4601         type of the array, from which we will build the qualified version.
4602         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4603         * print-tree.c (print_node): Display canonical type information
4604         for each type.
4605         * stor-layout.c (layout_type): When we don't know the
4606         alignment of a type for which we're building an array, we end up
4607         guessing wrong, so make the type require structural equality.
4608         * tree.c (make_node_stat): When we build a new type, it is its
4609         own canonical type.
4610         (build_type_attribute_qual_variant): When building an attribute
4611         variant, its canonical type is the non-attribute variant. However,
4612         if the attributes are target-dependent and they differ, we need to
4613         use structural equality checks for this type.
4614         (build_qualified_type): A qualified type is not equivalent to its
4615         unqualified variant; set the canonical type appropriately.
4616         (build_distinct_type_copy): When building a distinct type from
4617         another type, the new type is its own canonical type.
4618         (build_variant_type_copy): When building a new type variant, we
4619         assume that it is equivalent to the original type.
4620         (build_pointer_type_for_mode): When building a pointer type, also
4621         build a canonical type pointer.
4622         (build_reference_type_for_mode): When building a reference type,
4623         also build a canonical type reference.
4624         (build_index_type): When we can't hash an index type (e.g.,
4625         because its maximum value is negative), the index type requires
4626         structural equality tests.
4627         (build_array_type): Build the canonical form of an array type.
4628         (build_function_type): Function types require structural equality,
4629         because they contain default arguments, attributes, etc.
4630         (build_method_type_directly): Ditto for method types.
4631         (build_offset_type): Build the canonical offset type.
4632         (build_complex_type): Build the canonical vector type.
4633         (make_vector_type): Build the canonical vector type.
4634         * tree.h (TYPE_CANONICAL): New.
4635         (TYPE_STRUCTURAL_EQUALITY_P): New.
4636         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4637         (struct tree_type): Added "canonical" field.
4638         * params.h (VERIFY_CANONICAL_TYPES): New.
4639         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4640         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4641         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4642         * doc/invoke.texi (verify-canonical-types): Document --param
4643         parameter for verifying canonical types.
4644
4645 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4646
4647         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4648         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4649         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4650         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4651         tm_file.
4652         * config/rs6000/e500.h: New.
4653         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4654         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4655         Remove.
4656         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4657         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4658         TARGET_E500_DOUBLE): Remove.
4659         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4660         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4661         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4662         * config/rs6000/rs6000.c (rs6000_override_options): Use
4663         CHECK_E500_OPTIONS.
4664
4665 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4666
4667         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4668         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4669         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4670         rs6000_emit_cmove): Don't check TARGET_E500.
4671         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4672         sordered): Don't check TARGET_E500.
4673
4674 2007-01-01  Eric Christopher  <echristo@apple.com>
4675
4676         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4677         HARD_REGISTER_NUM_P.
4678
4679 2007-01-01  Roger Sayle  <roger@eyesopen.com>
4680
4681         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4682         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4683         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4684         eq/ne Y".
4685
4686 2007-01-01  Mike Stump  <mrs@apple.com>
4687
4688         * configure.ac: Remove support for building with Apple's gcc-3.1.
4689
4690 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4691
4692         PR middle-end/30311
4693         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4694         REG is a hard register.  Do not modify REG before calling
4695         subreg_nregs.
4696         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4697         multiple of the size of YMODE for certain lowpart cases.
4698
4699 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4700
4701         PR middle-end/30253
4702         * gimplify (voidify_wrapper_expr): Update for
4703         GIMPLE_MODIFY_STMT.
4704
4705 2007-01-01  Andreas Schwab  <schwab@suse.de>
4706
4707         PR target/29166
4708         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4709         save of BR0 in extra_spill_size instead of spill_size.
4710         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4711         area.
4712         (ia64_expand_epilogue): Restore BR0 from its new location.
4713
4714 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4715
4716         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4717         Use a temporary variable if the left hand side is not a gimple
4718         register.
4719
4720 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4721
4722         * gimplify.c (gimplify_return_expr): Make the temporary variable
4723         for the return expression, a gimple register variable.
4724
4725 2007-01-01  Jan Hubicka  <jh@suse.cz>
4726
4727         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4728         INSN_LIST.
4729
4730 2007-01-01  Mike Stump  <mrs@apple.com>
4731
4732         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4733         .literal16.
4734         * config/darwin.c (machopic_select_rtx_section): Use
4735         HAVE_GAS_LITERAL16.
4736         (darwin_mergeable_constant_section): Likewise.
4737         * configure: Regenerate.
4738         * config.in: Regenerate.
4739
4740 2007-01-01  Jan Hubicka  <jh@suse.cz>
4741             Andrew Pinski  <pinskia@gmail.com>
4742
4743         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4744         before starting IPA passes.