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* config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2
3         * doc/md.texi (Blackfin family constraints): Document PA and PB.
4         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
5         (MACFLAGS_MATCH_P): New macro.
6         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
7         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
8         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
9         the other MACFLAG constants.
10         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
11         (flag_machi): Tighten constraints.  Renumber some of the operands.
12         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
13         output template.
14         (flag_machi_parts_acconly): New pattern.
15         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
16         used.
17         (flag_macinit1hi): Tighten constraints.
18         (flag_mul_macv2hi_parts_acconly): New pattern.
19
20         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
21         Use a more efficient implementation.
22         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
23         inline sequences when not optimizing for size.
24
25         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
26         * config/bfin/bfin.opt (msim): New option.
27         (mcpu=): New option.
28         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
29         (bfin_cpu_t): Typedef of enum bfin_cpu.
30         (bfin_cpu_type): New declaration.
31         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
32         -msim and -mcpu= options.
33         (LIB_SPEC): Likewise.
34         * config/bfin/bfin.c (bfin_cpu_type): Define.
35         (bfin_handle_option): Handle -mcpu= option.
36         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
37         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
38         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
39
40 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
41
42         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
43         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
44         (powerpc-wrs-vxworksae): Use ${tm_file}.
45         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
46         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
47         * config/i386/vx-common.h: New file.
48
49 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
50
51         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
52         of crt0.o%s.
53
54 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
55
56         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
57         ldxtr.
58
59 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
60
61         PR c++/31078
62         PR c++/31103
63         * c-common.c (c_build_qualified_type): Set canonical type
64         appropriately.  
65
66 2007-04-12  Richard Guenther  <rguenther@suse.de>
67
68         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
69         lower bound and element size if lower bound is not zero
70         or either of the ARRAY_REF operands is set.
71
72 2007-04-12  Richard Guenther  <rguenther@suse.de>
73
74         PR tree-optimization/24689
75         PR tree-optimization/31307
76         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
77         indices by value.
78         * gimplify.c (canonicalize_addr_expr): To be consistent with
79         gimplify_compound_lval only set operands two and three of
80         ARRAY_REFs if they are not gimple_min_invariant.  This makes
81         it never at this place.
82         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
83
84 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
85
86         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
87         null before emitting a .nsubspa directive.
88
89 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
90
91         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
92         need_to_partition_p if there are no memory statements in the
93         function.
94
95 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
96
97         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
98         (gcd_of_steps_may_divide_p): New function.
99         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
100
101 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
102
103         * reload.c (find_reloads_toplev, find_reloads_address,
104         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
105         not a pointer equality test, to decide if we need to call
106         push_reg_equiv_alt_mem.
107
108 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
109
110         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
111         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
112         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
113
114 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
115
116         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
117         vector to be positive.
118
119 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
120
121         PR 30735
122         PR 31090
123         * doc/invoke.texi: Document --params max-aliased-vops and
124         avg-aliased-vops.
125         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
126         debug_memory_partitions): Move to tree-flow.h
127         * params.h (AVG_ALIASED_VOPS): Define.
128         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
129         users.
130         (mp_info_t): Likewise.
131         (get_mem_sym_stats_for): New.
132         (set_memory_partition): Move from tree-flow-inline.h.
133         (mark_non_addressable): Only clear the set of symbols for the
134         partition if it exists.
135         (dump_memory_partitions): Move from tree-ssa-operands.c
136         (debug_memory_partitions): Likewise.
137         (need_to_partition_p): New.
138         (dump_mem_ref_stats): New.
139         (debug_mem_ref_stats): New.
140         (dump_mem_sym_stats): New.
141         (debug_mem_sym_stats): New.
142         (update_mem_sym_stats_from_stmt): New.
143         (compare_mp_info_entries): New.
144         (mp_info_cmp): Call it.
145         (sort_mp_info): Change argument to a list of mem_sym_stats_t
146         objects.
147         (get_mpt_for): Move from tree-ssa-operands.c.
148         (find_partition_for): New.
149         (create_partition_for): Remove.
150         (estimate_vop_reduction): New.
151         (update_reference_counts): New.
152         (build_mp_info): New.
153         (compute_memory_partitions): Refactor.
154         Document new heuristic.
155         Call build_mp_info, update_reference_counts,
156         find_partition_for and estimate_vop_reduction.
157         (compute_may_aliases): Populate virtual operands before
158         calling debugging dumps.
159         (delete_mem_sym_stats): New.
160         (delete_mem_ref_stats): New.
161         (init_mem_ref_stats): New.
162         (init_alias_info): Call it.
163         (maybe_create_global_var): Remove alias_info argument.
164         Get number of call sites and number of pure/const call sites
165         from gimple_mem_ref_stats().
166         (dump_alias_info): Call dump_memory_partitions first.
167         (dump_points_to_info_for): Show how many times a pointer has
168         been dereferenced.
169         * opts.c (decode_options): For -O2 set --param
170         max-aliased-vops to 500.
171         For -O3 set --param max-aliased-vops to 1000 and --param
172         avg-aliased-vops to 3.
173         * fortran/options.c (gfc_init_options): Remove assignment to
174         MAX_ALIASED_VOPS.
175         * tree-flow-inline.h (gimple_mem_ref_stats): New.
176         * tree-dfa.c (dump_variable): Dump memory reference
177         statistics.
178         Dump NO_ALIAS* settings.
179         (referenced_var_lookup): Tidy.
180         (mem_sym_stats): New.
181         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
182         and ORIG are different SSA names for a memory partition.
183         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
184         * tree-flow.h (struct mem_sym_stats_d): Define.
185         (mem_sym_stats_t): Define.
186         (struct mem_ref_stats_d): Define.
187         (struct gimple_df): Add field mem_ref_stats.
188         (enum noalias_state): Define.
189         (struct var_ann_d): Add bitfield noalias_state.
190         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
191         debug_mem_ref_stats, debug_memory_partitions,
192         debug_mem_sym_stats): Declare.
193         * tree-ssa-structalias.c (update_alias_info): Update call
194         sites, pure/const call sites and asm sites in structure
195         returned by gimple_mem_ref_stats.
196         Remove local variable IS_POTENTIAL_DEREF.
197         Increase NUM_DEREFS if the memory expression is a potential
198         dereference.
199         Call update_mem_sym_stats_from_stmt.
200         If the memory references memory, call
201         update_mem_sym_stats_from_stmt for all the direct memory
202         symbol references found.
203         (intra_create_variable_infos): Set noalias_state field for
204         pointer arguments according to the value of
205         flag_argument_noalias.
206         * tree-ssa-structalias.h (struct alias_info): Remove fields
207         num_calls_found and num_pure_const_calls_found.
208         (update_mem_sym_stats_from_stmt): Declare.
209         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
210         Set default value to 100.
211         (PARAM_AVG_ALIASED_VOPS): Define.
212
213 2007-04-11  Richard Guenther  <rguenther@suse.de>
214
215         PR middle-end/31530
216         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
217         a * -b + c as c - a * b if we honor sign dependent rounding.
218
219 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
220
221         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
222         bfin_expand_strmov.
223         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
224         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
225         variables.
226         (initialize_trampoline): Don't use old-style function definition.
227         (bfin_secondary_reload): Mark IN_P argument as unused.
228
229 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
230
231         PR tree-optimization/31343
232         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
233         (build_polynomial_chrec): Return a scalar when the evolution is zero.
234         * testsuite/gcc.dg/vect/pr31343.c: New.
235
236 2007-04-10  Eric Christopher  <echristo@apple.com>
237
238         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
239         * config/i386/i386.md (*cmpfp0): Use.
240         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
241         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
242         (fix_trunc<mode>_i386_fisttp): Ditto.
243         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
244         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
245         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
246         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
247         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
248         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
249         (unnamed_splitters): Ditto.
250         * config/i386/i386.c (output_fix_trunc): Assert that
251         we're not being passed a TFmode operand.
252
253 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
254
255         PR tree-optimization/31526
256         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
257         n_basic_blocks to find newly added blocks.
258
259 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
260
261         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
262         alternative.
263         (fix_trunc<mode>si_sse): Ditto.
264         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
265         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
266         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
267         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
268         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
269         expander using SSEMODEF mode macro.
270         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
271         expander using SSEMODEF mode macro.
272         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
273         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
274         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
275         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
276         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
277         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
278         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
279         Macroize insn using X87MODEF mode macro.
280
281 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
282
283         * config/i386/sse.md (sse2_pinsrw): Removed.
284         (sse2_pextrw): Renamed to ...
285         (*sse2_pextrw): This.
286
287 2007-04-09  Jan Hubicka  <jh@suse.cz>
288
289         PR target/27869
290         * config/i386/sse.md
291         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
292         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
293         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
294         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
295
296 2007-04-09  Jan Hubicka  <jh@suse.cz>
297
298         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
299         multiple fields of union.
300
301 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
302
303         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
304         (create_preheaders): Check that loops are available.
305         (fix_loop_structure): Clean up, improve comments.
306         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
307         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
308         state flags.
309         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
310         * predict.c (tree_estimate_probability): Do not call
311         calculate_dominance_info.  Call create_preheaders.
312         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
313         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
314         flags.
315         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
316         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
317         * tree-cfg.c (tree_split_edge): Make an assert more precise.
318         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
319         arguments.
320
321 2007-04-08  Jan Hubicka  <jh@suse.cz>
322
323         * tree.h (maybe_fold_offset_to_component_ref): Declare.
324         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
325         * fold-const.c (fold_unary): Use it.
326
327 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
328
329         * varasm.c (assemble_variable): Remove call to
330         lang_hooks.decls.prepare_assemble_variable.
331         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
332         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
333         * langhooks.h (lang_hooks_for_decls): Remove
334         prepare_assemble_variable.
335
336 2007-04-08  Mike Stump  <mrs@apple.com>
337
338         * config/i386/i386.c: Use inc/dec on Core2.
339
340 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
341
342         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
343         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
344         lhd_tree_inlining_end_inlining): Remove.
345         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
346         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
347         end_inlining hooks.
348         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
349         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
350         lhd_tree_inlining_end_inlining): Remove prototypes.
351         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
352         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
353         LANG_HOOKS_TREE_INLINING_START_INLINING,
354         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
355
356         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
357         not set it.
358
359 2007-04-08  Anatoly Sokolov <aesok@post.ru>
360
361         PR target/29932
362         * config/avr/predicates.md (io_address_operand): Delete predicate.
363         (low_io_address_operand): Don't use 'mode' argument.
364         (higth_io_address_operand): Rename ...
365         (high_io_address_operand): ... to this. Don't use 'mode' argument.
366         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
367         for above change.
368
369 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
370
371         Revert change removing staticp.
372
373 2007-04-07  Anatoly Sokolov <aesok@post.ru>
374
375         PR target/30289
376         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
377         earlyclobber.
378
379 2007-04-07  Bruce Korb  <bkorb@gnu.org>
380
381         * c.opt: Add -Wformat-contains-nul.
382         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
383           -Wformat setting.
384         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
385         the NUL byte warning.
386
387 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
388
389         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
390
391 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
392
393         * tree.c (staticp): No longer use staticp langhook.
394         * langhooks.c (lhd_staticp): Removed.
395         * langhooks.h (struct lang_hooks): Remove staticp.
396         * c-common.c (c_staticp): Remove.
397         * c-common.h (c_staticp): Ditto.
398         * langhooks-defs.h (lhd_staticp): Ditto.
399         (LHD_HOOKS_STATICP): Ditto
400         * tree.h (gcc_assert_lowered): New macro.
401
402 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
403
404         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
405         argument "reliable".
406         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
407         Add argument "reliable".  Propagate it through calls.
408         (infer_loop_bounds_from_undefined):  Derive number of iterations
409         estimates from references in blocks that do not dominate loop latch.
410         (gcov_type_to_double_int): New function.
411         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
412         and expected_loop_iterations_unbounded.
413         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
414         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
415         * tree-data-ref.c (estimated_loop_iterations): Export.
416         (get_references_in_stmt): Fix -- do not return addresses of local
417         objects.
418         * cfgloop.h (expected_loop_iterations_unbounded,
419         estimated_loop_iterations): Declare.
420
421 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
422
423         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
424
425 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
426
427         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
428         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
429         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
430         Use output_387_reg_move().
431         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
432         expander using X87MODEF12 mode macro.
433         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
434         choosing register preferences.  Use output_387_reg_move().
435         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
436         instead of "x".  Use output_387_reg_move().
437         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
438         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
439         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
440         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
441         Use output_387_reg_move().
442         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
443         mode macro.
444         (*truncxf?f_i387 splitter): Ditto.
445
446 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
447
448         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
449         LANG_HOOKS_SAFE_FROM_P.
450         * expr.c (safe_from_p): Remove langhook call.
451         * langhooks.h (lang_hooks): Remove safe_from_p.
452         (lhd_safe_from_p): Remove prototype.
453         * langhooks.c (lhd_safe_from_p): Remove.
454
455 2007-04-06  Jan Hubicka  <jh@suse.cz>
456
457         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
458         functions.
459
460 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
461
462         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
463         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
464         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
465         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
466         alternative.
467         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
468         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
469
470 2007-04-05  Richard Henderson  <rth@redhat.com>
471
472         * config/alpha/alpha.c (print_operand) [+]: Remove.
473         (alpha_end_function): Print nop if call at end of function.
474         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
475         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
476         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
477         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
478         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
479         the call pattern. Update peepholes to match.
480
481 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
482
483         * doc/extend.texi (Other Builtins): Add decimal float variants
484         of signbit.
485         * builtins.def: Ditto.
486         * builtins.c (expand_builtin): Ditto.
487
488 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
489             H.J. Lu  <hongjiu.lu@intel.com>
490
491         PR target/31478
492         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
493         of V8HImode when calling ix86_binary_operator_ok.
494         (sse2_pmaddwd): Call ix86_binary_operator_ok.
495         (sdot_prodv8hi): Operands 1 and 2 must be register.
496
497 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
498
499         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
500         initialize align to silence bogus warning.
501
502 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
503
504         PR middle-end/22156
505         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
506         all_no_warning.
507         (struct sra_walk_fns): Remove use_all parameter from use.
508         (sra_hash_tree): Handle BIT_FIELD_REFs.
509         (sra_elt_hash): Don't hash bitfld blocks.
510         (sra_elt_eq): Skip them in parent compares as well.  Handle
511         BIT_FIELD_REFs.
512         (sra_walk_expr): Don't maintain or pass down use_all_p.
513         (scan_use): Remove use_all parameter.
514         (scalarize_use): Likewise.  Re-expand assignment to
515         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
516         output, and re-scalarize after output.  Don't mark anything
517         for no warning.
518         (scalarize_ldst): Adjust.
519         (scalarize_walk_gimple_modify_statement): Likewise.
520         (build_element_name_1): Handle BIT_FIELD_REFs.
521         (instantiate_element): Don't warn for any element whose parent
522         is used as a whole.
523         (instantiate_missing_elements_1): Return the sra_elt.
524         (canon_type_for_field): New.
525         (try_instantiate_multiple_fields): New.
526         (instantiate_missing_elemnts): Use them.
527         (mark_no_warning): Removed.
528         (generate_one_element_ref): Handle BIT_FIELD_REFs.
529         (REPLDUP, sra_build_elt_assignment): New.
530         (generate_copy_inout): Use them.
531         (generate_element_copy): Likewise.  Handle bitfld differences.
532         (generate_element_zero): Don't recurse for blocks.  Use
533         sra_build_elt_assignment.
534         (generate_one_element_int): Take elt instead of var.  Use
535         sra_build_elt_assignment.
536         (generate_element_init_1): Adjust.
537         (scalarize_use, scalarize_copy): Use REPLDUP.
538         (scalarize_ldst): Move assert before dereference.
539         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
540
541 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
542
543         * regmove.c: Fix unused variable warnings due to previous commit.
544
545 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
546
547         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
548         (regmove_bb_head): Remove.
549         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
550         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
551         problems with fixup_match_1.
552         Don't initialize/free regmove_bb_head.
553
554         (reg_is_remote_constant_p): If an insn is in the same basic block
555         but not before INSN, consider it remote, too.
556
557 2007-04-05  Anatoly Sokolov <aesok@post.ru>
558
559         PR target/25448
560         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
561         DECL_ASSEMBLER_NAME, not the DECL_NAME.
562
563 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
564
565         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
566         (CONDITIONAL_REGISTER_USAGE): Likewise.
567
568 2007-04-04  Richard Henderson  <rth@redhat.com>
569
570         * config/alpha/lib1funcs.asm: Remove unused file.
571
572 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
573
574         PR other/31356
575         * opts.c (print_specific_help): Fix --help=<language>
576         header line.
577         (common_handle_option): Support --help=common.
578
579 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
580
581         PR other/31353
582         * gcc.c (main): Do not run the linker if
583         print_subprocess_help indicates that it shouldn't be
584         run.
585
586 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
587
588         PR doc/31355
589         * doc/invoke.texi (--help=): Document <languages> value, fix
590         formatting in tables of values.
591
592 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
593
594         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
595         dllimport attribute of virtual methods.
596
597 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
598
599         * config/score/crti.asm: Change _bss_start to __bss_start.
600         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
601         (OUTGOING_REG_PARM_STACK_SPACE) update.
602         * config/score/score.opt: add options to make backend support
603         score5, score5u, score7 and score7d.
604         * config/score/score.md: Likewise.
605         * config/score/misc.md: Likewise.
606         * config/score/mac.md: Likewise.
607         * doc/invoke.texi: Likewise.
608         * doc/md.texi: update constraints define.
609
610 2007-04-03  Richard Henderson  <rth@redhat.com>
611
612         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
613         an appropriate type, use the mode instead.
614
615 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
616
617         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
618         Set the default --with-arch setting to mips2.
619         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
620         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
621         (MULTILIB_OSDIRNAMES): Delete.
622         (MULTILIB_DIRNAMES): Define.
623         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
624         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
625         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
626         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
627         VXWORKS_OS_CPP_BUILTINS.
628         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
629         (MIPS_DEBUGGING_INFO): Undefine.
630         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
631
632 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
633
634         PR middle-end/30704
635         * fold-const.c (native_encode_real): Encode real.c provided longs
636         as a series of 32-bit native integers.
637         (native_interpret_real): Interpret buffer as a series of 32-bit
638         native integers.
639
640 2007-04-03  Richard Guenther  <rguenther@suse.de>
641
642         * genpreds.c (write_insn_constraint_len): Write function
643         optimized for CONSTRAINT_LEN implementation.
644         (write_tm_preds_h): Output insn_constraint_len inline and
645         use it for CONSTRAINT_LEN.
646         (write_insn_preds_c): Don't output insn_constraint_len.
647         * doc/md.texi (define_register_constraint): Document multi-letter
648         constraints shall have the same length if they start with the same
649         letter.
650
651 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
652
653         PR target/31175
654         * config/i386/i386.md (isinf<mode>2): Expand only when
655         TARGET_C99_FUNCTIONS is set.
656
657 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
658
659         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
660         (x86_64-*-linux*): Ditto.
661         * config/i386/i386.opt (mpc): New option.
662         * config/i386/i386.c (overrride_options): Handle
663         ix87_precision_string.
664         * config/i386/crtprec.c: New file.
665         * config/i386/t-crtpc: Ditto.
666         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
667         and -mpc80 options.
668         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
669         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
670         crtprec32.o, crtprec64.o and crtprec80.o.
671
672         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
673         and -mpc80 options.
674         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
675
676 2007-04-02  Eric Christopher  <echristo@apple.com>
677
678         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
679         limitations on darwin.
680
681 2007-04-02  Anatoly Sokolov <aesok@post.ru>
682
683         PR target/31137
684         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
685
686 2007-04-02  Dave Korn  <dave.korn@artimi.com>
687
688         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
689
690 2007-04-02  Dave Korn  <dave.korn@artimi.com>
691
692         * libgcc2.h (exception_descriptor): Don't forward-declare.
693         (__get_eh_table_language, __get_eh_table_version): Delete
694         prototypes of long-dead functions.
695
696 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
697
698         * ebitmap.h: New file
699         * ebitmap.c: New file
700         * Makefile.in (ebitmap.o): New target.
701
702 2007-04-01  Jan Hubicka  <jh@suse.cz>
703
704         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
705         before very first instruction.
706
707 2007-04-01  Jan Hubicka  <jh@suse.cz>
708
709         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
710         waring on 64bit hosts.
711         * bitmap.h: Fix typo in bitmap_head_def.
712
713 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
714
715         PR rtl-optimization/31391
716         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
717         into a DELETED_LABEL note, and the label is in an empty basic
718         block, update BB_END as well as BB_HEAD.
719
720 2007-04-01  Richard Henderson  <rth@redhat.com>
721
722         PR tree-optimization/31169
723         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
724         to varying if the range is outside [0,  prec-1].
725
726 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
727
728         PR target/31388
729         * config/mips/mips.md (load_const_gp): New insn.
730         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
731         the MIPS16 GP pseudo register if no_new_pseudos.
732         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
733
734 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
735
736         PR target/31364
737         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
738         secureplt.
739         (call_value): Likewise.
740
741 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
742             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
743
744         PR 14737
745         * doc/invoke.texi: (optimization options): Reword description
746         of -ffast-math. Document its primary purpose.
747
748 2007-03-31  Richard Guenther  <rguenther@suse.de>
749
750         * omp-low.c (splay-tree.h): Include.
751         (lookup_decl): Replace splay-tree usage by pointer-map.
752         (maybe_lookup_decl): Likewise.
753         (new_omp_context): Likewise.
754         (delete_omp_context): Likewise.
755         * gimplify.c (splay-tree.h): Include.
756         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
757         pointer-map.
758         (remap_ssa_name): Likewise.
759         (remap_decl): Likewise.
760         (remap_type_1): Likewise.
761         (remap_type): Likewise.
762         (copy_body_r): Likewise.
763         (expand_call_inline): Likewise.
764         (clone_body): Likewise.
765         (copy_tree_r): Likewise.
766         (remap_save_expr): Likewise.
767         (unsave_r): Likewise.
768         (unsave_expr_now): Likewise.
769         (tree_function_versioning): Likewise.
770         (build_duplicate_type): Likewise.
771         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
772         (struct copy_body_data): Replace splay-tree by pointer-map.
773         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
774         not $(SPLAY_TREE_H).
775         (gimplify.o): Depend on $(SPLAY_TREE_H).
776         (omp-low.p): Likewise.
777
778 2007-03-31  Anatoly Sokolov <aesok@post.ru>
779
780         * config/avr/predicates.md (even_register_operand,
781         odd_register_operand): New predicates.
782         * config/avr/avr.md (movw peephole2): New.
783         (movw_r peephole2): New.
784
785 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
786
787         * tree.h (get_signed_or_unsigned_type): New.
788         * fold-const.c (operand_equal_for_comparison_p): Use
789         get_signed_or_unsigned_type instead of
790         lang_hooks.types.signed_or_unsigned_type.
791         * expr.c (store_expr): Ditto.
792         * langhooks.c (get_signed_or_unsigned_type): New.
793         (lhd_signed_or_unsigned_type): New.
794         * langhooks.h (lhd_signed_or_unsigned_type): New.
795         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
796
797 2007-03-30  Richard Henderson  <rth@redhat.com>
798
799         * tree-ssa-loop-ivopts.c: Include target.h.
800         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
801         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
802         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
803         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
804
805 2007-03-30  Richard Henderson  <rth@redhat.com>
806             Kai Tietz  <kai.tietz@onevision.com>
807
808         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
809         default for 64-bit.
810         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
811         (TARGET_64BIT_MS_ABI): New.
812         (DBX_REGISTER_NUMBER): Handle 64-bit.
813         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
814         (LONG_TYPE_SIZE): Force to 32.
815         (REG_PARM_STACK_SPACE): New.
816         (OUTGOING_REG_PARM_STACK_SPACE): New.
817         (REGPARM_MAX, SSE_REGPARM_MAX): New.
818         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
819         (STACK_BOUNDARY): Use 128 for 64-bit.
820         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
821         Add 64-bit implementation.
822         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
823         argument unused.
824         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
825         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
826         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
827         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
828         (ix86_handle_cconv_attribute): Don't warn when ignoring if
829         TARGET_64BIT_MS_ABI.
830         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
831         (ix86_pass_by_reference): Likewise.
832         (ix86_function_value_regno_p): Likewise.
833         (ix86_build_builtin_va_list): Likewise.
834         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
835         (function_arg_advance_ms_64): New.
836         (function_arg_advance): Call it.
837         (function_arg_ms_64): New.
838         (function_arg): Call it.
839         (function_value_ms_64): New.
840         (ix86_function_value_1): Call it.
841         (return_in_memory_ms_64): New.
842         (ix86_return_in_memory): Call it.
843         (setup_incoming_varargs_ms_64): New.
844         (ix86_setup_incoming_varargs): Call it.
845         (ix86_expand_prologue): Handle 64-bit stack probing.
846         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
847         (output_pic_addr_const): Likewise.
848         (x86_this_parameter): Likewise.
849         (x86_output_mi_thunk): Likewise.
850         (x86_function_profiler): Likewise.
851         (TARGET_STRICT_ARGUMENT_NAMING): New.
852         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
853         (TARGET_64BIT_MS_ABI): New.
854         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
855         * config/i386/i386.md (allocate_stack_worker): Remove.
856         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
857         describe the clobber of eax without a match_scratch.
858         (allocate_stack_worker_postreload): Remove.
859         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
860         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
861         (allocate_stack_worker_rex64_postreload): Remove.
862         (allocate_stack): Handle 64-bit.
863         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
864         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
865         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
866         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
867         (STANDARD_STARTFILE_PREFIX_1): Likewise.
868         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
869         * config.build (x86_64-*-mingw*): New host.
870         * config.host (x86_64-*-mingw*): New host.
871         * config.gcc (x86_64-*-mingw*): New target.
872         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
873
874 2007-03-30  Richard Henderson  <rth@redhat.com>
875             Kai Tietz  <kai.tietz@onevision.com>
876
877         * c-pragma.c (struct def_pragma_macro_value): New.
878         (struct def_pragma_macro): New.
879         (pushed_macro_table): New.
880         (dpm_hash, dpm_eq): New.
881         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
882         (init_pragma): Install them.
883         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
884
885 2007-03-30  Anatoly Sokolov <aesok@post.ru>
886
887         * config/avr/avr.c (avr_override_options): Clear
888         'flag_delete_null_pointer_checks'.
889
890 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
891
892         PR c++/26099
893         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
894         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
895         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
896         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
897         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
898         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
899         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
900         C++ extensions.
901         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
902
903 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
904
905         * regmove.c: Move all of pass_stack_adjustments from here...
906         * combine-stack-adj.c: ...to this new file.
907         * Makefile.in: Add rules for combine-stack-adj.o.
908
909 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
910
911         PR tree-optimization/31383
912         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
913         to have the same length.
914
915 2007-03-30  Jan Hubicka  <jh@suse.cz>
916
917         PR middle-end/30700
918         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
919         availablility; add more sanity checking; ask varpool only about
920         VAR_DECL.
921
922 2007-03-29  Richard Henderson  <rth@redhat.com>
923
924         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
925         to decide, but __SIZEOF_LONG_LONG__.
926
927 2007-03-29  Richard Henderson  <rth@redhat.com>
928
929         * emutls.c (struct __emutls_array): New.
930         (emutls_destroy): Use it instead of casting element 0 from void*.
931         (__emutls_get_address): Likewise.
932
933 2007-03-29  Richard Henderson  <rth@redhat.com>
934
935         * varasm.c (initializer_constant_valid_p): Don't deny
936         DECL_DLLIMPORT_P on functions.
937
938         * config/i386/cygming.h: Remove function declarations.
939         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
940         (ASM_OUTPUT_LABELREF): Remove.
941         (COMMON_ASM_OP): Remove.
942         (ASM_OUTPUT_COMMON): Remove.
943         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
944         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
945         (ASM_DECLARE_FUNCTION_NAME): Likewise.
946         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
947         Rename from TARGET_ENCODE_SECTION_INFO.
948         * config/i386/netware.h: Likewise.
949         * config/i386/i386-protos.h: Update.
950         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
951         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
952         (legitimate_constant_p): Reject dllimports.
953         (dllimport_map, get_dllimport_decl): New.
954         (legitimize_dllimport_symbol): New.
955         (legitimize_address, ix86_expand_move): Use it.
956         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
957         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
958         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
959         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
960         * config/i386/predicates.md (constant_call_address_operand): Only
961         accept symbols; reject dllimport_p symbols.
962         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
963         i386_pe_maybe_record_exported_symbol.
964         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
965         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
966         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
967         trust the setting of DECL_DLLIMPORT_P.
968         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
969         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
970         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
971         tidy the argument scanning loop.
972         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
973         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
974         (i386_pe_strip_name_encoding): Remove.
975         (i386_pe_binds_local_p): New.
976         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
977         (i386_pe_output_labelref): Remove.
978         (i386_pe_asm_output_aligned_decl_common): New.
979         (i386_pe_maybe_record_exported_symbol): Rename from
980         i386_pe_record_exported_symbol; check for dllexported symbols.
981
982 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
983
984         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
985         add comment explaining why vsnprintf cannot be used.
986
987 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
988
989         PR tree-optimization/30666
990         * tree.c (build_complex_type): When creating type names for DWARF2
991         debug info, create TYPE_DECLs for TYPE_NAME instead of
992         IDENTIFIER_NODEs.
993         (build_common_tree_nodes_2): Use build_complex_type when building
994         predefined complex types, to preserve canonical types.
995
996 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
997
998         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
999         (noce_get_alt_condition): Look at it to determine whether to
1000         reverse the condition or not.
1001         (noce_get_condition): Substitute the truth for lies.
1002         (noce_find_if_block): Set the then_else_reversed field.
1003
1004 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1005
1006         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1007         destination of this insn.
1008         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1009         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1010         'address + 4' rather than a stack based temporary which can be
1011         mis-optimized away.
1012
1013 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1014
1015         * config/s390/s390.c (s390_secondary_input_reload_class,
1016         s390_secondary_output_reload_class): Functions removed.
1017         (s390_secondary_reload): New function.
1018         (TARGET_SECONDARY_RELOAD): Target macro defined.
1019         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1020         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1021         * config/s390/s390.md ("reload_outti", "reload_outdi",
1022         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1023         "reload_out<mode>"): Expanders removed.
1024         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1025         "reload<mode>_nonoffmem_out"): Expanders added.
1026
1027 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1028
1029         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1030         SRC->DEST replacement failed anyway.
1031
1032 2007-03-28  Mike Stump  <mrs@apple.com>
1033
1034         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1035         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1036         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1037
1038 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1039
1040         * config.gcc: Accept barcelona as a variant of amdfam10.
1041         * config/i386/i386.c (override_options): Likewise.
1042         * doc/invoke.texi: Likewise.
1043
1044 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1047         offsets for BIT_FIELD_REF and COMPONENT_REF.
1048
1049 2007-03-28  Richard Guenther  <rguenther@suse.de>
1050
1051         * tree.c (is_global_var): Move ...
1052         * tree-flow-inline.h (is_global_var): ... here.
1053         * tree.h (is_global_var): Remove declaration.
1054
1055 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1058         option.
1059         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1060         * config/i386/i386.c (ix86_tune_features): Initialize new
1061         tuning option.
1062         * config/i386/predicates.md (promotable_binary_operator): Use
1063         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1064
1065 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1066
1067         PR target/31380
1068         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1069
1070 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1071
1072         * config/fr30/fr30.md (movsi_internal): Change destination
1073         constraint from m to V and add m to the end.
1074
1075 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1076
1077         * config/sh/sh.md (movsi_i): Fix type attribute.
1078
1079 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1080
1081         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1082         (movsf_ie): Likewise.
1083
1084 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1085
1086         * config.gcc: Add sh4-300 to multilib.
1087         * config/sh/t-mlib-sh4-300: New file.
1088
1089 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1090
1091         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1092         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1093         fix_trunc<mode>di2.
1094         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1095         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1096         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1097         "fixuns_trunctddi2"): Whitespace fix.
1098
1099 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1100
1101         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1102         the definition of struct sh_args.
1103         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1104         CALL_COOKIE_INT_REG_GET): Likewise.
1105
1106 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1107
1108         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1109         transformations are applied successfully.
1110
1111 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1112
1113         * tree.c (tree_contains_struct): Permit 512 tree codes.
1114         * tree.h (tree_contains_struct): Ditto.
1115         (MAX_TREE_CODES): Ditto.
1116         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1117         SPARE member to store remaining padding bits.
1118
1119 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1120
1121         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1122         architecture.
1123
1124 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1125
1126         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1127         * configure: Regenerate.
1128
1129         * configure: Regenerate using the correct version of autoconf.
1130
1131 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1132
1133         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1134         pointer regs.
1135         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1136         regs to "__SP_L__" and "__SP_H__".
1137
1138 2007-03-27  Richard Guenther  <rguenther@suse.de>
1139
1140         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1141         computations with it with a HOST_WIDE_INT variable.
1142
1143 2007-03-26  Mike Stump  <mrs@apple.com>
1144
1145         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1146         objective-c-header, objective-c++-header and objc++-cpp-output
1147         support.
1148         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1149
1150 2007-03-26  Richard Henderson  <rth@redhat.com>
1151
1152         PR target/31361
1153         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1154         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1155         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1156         IX86_BUILTIN_PSRLQ128): New.
1157         (ix86_init_mmx_sse_builtins): Add them.
1158         (ix86_expand_builtin): Expand them.
1159         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1160         operand 2 be TImode.
1161         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1162         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1163         _mm_srli_epi64): Mark __B const.
1164         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1165         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1166         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1167         new two-vector shift builtins.
1168
1169 2007-03-26  Ian Lance Taylor  <iant@google.com>
1170
1171         PR tree-optimization/31345
1172         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1173         [+INF, +INF(OVF)] into VARYING.
1174
1175 2007-03-26  Zack Weinberg  <zackw@panix.com>
1176
1177         * gengtype-parse.c: New file.
1178         * gengtype-yacc.y: Delete.
1179         * gengtype-lex.l: Don't include gengtype-yacc.h.
1180         Define YY_DECL and yyterminate appropriately for recursive
1181         descent parser.  yylval is now a string out-parameter to yylex.
1182         (HWS, EOID): New shorthand.
1183         (IWORD): Add a couple more types.
1184         (yylex): Add a setup stanza.  Remove the complex rules for
1185         detecting GTY'ed types and typedefs; replace with simple
1186         keyword detectors.  Adjust everything for the changed
1187         definition of yylval.  Ignore all pp-directives, not just #define.
1188         (yyerror): Delete.
1189         (parse_file): Rename yybegin; do not call yyparse.
1190         (yyend): New.
1191         * gengtype.c (xasprintf): Export again.
1192         (this_file): New.  Use everywhere __FILE__ was being used.
1193         (get_lang_bitmap): Special case types defined in gengtype.c.
1194         (do_typedef, new_structure): Suppress definition of certain types.
1195         (new_structure): Improve diagnostics of duplicate definitions.
1196         Make sure location_s is associated with input.h.
1197         (nreverse_pairs, define_location_structures): New functions.
1198         (main): Improve tagging of kludge types.  Remove old kludges
1199         for input.h types; use define_location_structures.
1200         * gengtype.h: Update prototypes.  Define token codes here.
1201         * Makefile.in: Remove all references to gengtype-yacc.
1202         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1203         and gengtype.
1204         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1205         add GTY((skip)) to the field that's only conditionally there.
1206         * doc/install.texi: Document that Bison is no longer required
1207         unless building treelang.
1208
1209         * gengtype.c: Don't include gtyp-gen.h.
1210         (srcdir): Declare here.
1211         (base_files, lang_dir_names): Allocate dynamically.
1212         (gt_files, num_gt_files, num_lang_dirs): New globals.
1213         (measure_input_list, read_input_line, read_input_list)
1214         (set_lang_bitmap): New functions.
1215         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1216         simplify, relying on read_input_list to set up the bitmaps.
1217         (main): Arguments are no longer unused.  Check for correct number
1218         of command line arguments, set srcdir and srcdir_len, then call
1219         read_input_list, before doing anything else.  No need to worry
1220         about duplicates in main loop.
1221         * configure.ac: Simplify the calculation of all_gtfiles.
1222         Put language tags in there.  Don't set or substitute
1223         all_gtfiles_files_langs or all_gtfiles_files_frags.
1224         * Makefile.in: Revamp the way gengtype is invoked, now that it
1225         takes a file on its command line with a much simpler format.
1226         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1227         (GTFILES): Remove duplicates and C source files.
1228         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1229         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1230         * configure: Regenerate.
1231
1232         * gengtype.h: Remove all type definitions to gengtype.c; leave
1233         only definitions of options_p, type_p, and pair_p as opaque
1234         pointers.  Update prototypes.
1235         * gengtype.c: Many type definitions moved here from gengtype.h.
1236         Consolidate type definitions at the top of the file.
1237         (xvasprintf): Delete.
1238         (xasprintf): Make static.
1239         (create_nested_pointer_option): Add 'next' parameter.
1240         (create_field_all, create_field_at): New functions.
1241         (create_field): Now a thin wrapper around create_field_all.
1242         (create_optional_field): Rename create_optional_field_ and add
1243         line argument.  Original name is now a macro which supplies
1244         __LINE__.
1245         (oprintf): Use vsnprintf directly.
1246         (close_output_files): Use fatal rather than perror/exit.
1247         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1248         (main): Set progname.  Don't use exit.
1249         * gengtype-yacc.y (struct_fields): Use create_field_at.
1250         (option, optionseqopt): Delete.
1251         (optionseq): Consolidate productions from option here so we
1252         can use the first argument to create_option.
1253
1254         * gengtype-lex.l: Distinguish unions from structures in the
1255         token type.  Don't call find_structure; return the tag as a string.
1256         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1257         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1258         Reorganize typedef_struct production accordingly.
1259         Use create_nested_ptr_option.
1260         * gengtype.c (create_nested_ptr_option): New function.
1261         * gengtype.h: Declare it.
1262
1263         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1264         (string_type): Don't declare.
1265         (do_scalar_typedef): Declare.
1266         (create_scalar_type): Update prototype.
1267         * gengtype.c (string_type): Make static.
1268         (scalar_nonchar, scalar_char): New.
1269         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1270         (resolve_typedef): Use scalar_nonchar for error recovery.
1271         (create_scalar_type): Remove name_len field.  Return scalar_char
1272         or scalar_nonchar as appropriate.
1273         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1274         to use string_type.
1275         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1276         whenever possible.
1277         (main): Initialize scalar_char and scalar_nonchar before calling
1278         gen_rtx_next.
1279         * gengtype-lex.l: Adjust for removal of second argument to
1280         create_scalar_type.  Use yylval.s instead of yylval.t when
1281         returning SCALAR.
1282         * gengtype-yacc.y: Type of SCALAR is string.  Call
1283         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1284         second argument to create_scalar_type.
1285
1286         * vec.h: Remove all #if IN_GENGTYPE blocks.
1287         Add comment saying that changes may require adjustments to gengtype.
1288         * gengtype.c: Don't include coretypes.h or tm.h.
1289         Add comment to inclusion of errors.h.
1290         (note_def_vec, note_def_vec_alloc): New functions.
1291         * gengtype.h: Declare new functions.
1292         * gengtype-lex.l: Don't include coretypes.h.
1293         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1294         Delete.
1295         (update_lineno): Remove unnecessary prototype.
1296         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1297         (VEC rule): Just return VEC_TOKEN.
1298         * gengtype-yacc.y (VEC_TOKEN): New token type.
1299         (type): Add a production for VEC(a,b).
1300         * Makefile.in: Update dependencies.
1301
1302         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1303         typedefs that use the old PARAMS macro.
1304
1305         * gengtype-lex.l: Remove all rules and states relating to yacc
1306         input files.
1307         * gengtype-yacc.y: Similarly.
1308         * gengtype.c (note_yacc_type): Delete function.
1309         * gengtype.h: Update prototypes.
1310
1311 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1312
1313         * tree-pretty-print.c (dump_generic_node): Report precision of
1314         unnamed integer types.
1315
1316 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1317
1318         * ifcvt.c (noce_try_store_flag_constants): Don't check
1319         no_new_pseudos here.
1320         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1321         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1322         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1323         noce_try_sign_mask): Likewise.
1324         (if_convert): Check no_new_pseudos here.
1325
1326         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1327         Remove prototypes.
1328         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1329         (noce_get_condition): Handle new then_else_reversed argument.
1330         (noce_init_if_info): Remove, fold into noce_find_if_block.
1331         (noce_process_if_block): Take a struct noce_if_info as the
1332         argument.  Don't set up one based on ce_if_info.  Update pointer
1333         references accordingly.
1334         (cond_move_process_if_block): Likewise.
1335         (process_if_block): Removed.
1336         (find_if_block): Removed.  Move functionality two new functions,
1337         noce_find_if_block and cond_exec_find_if_block.
1338         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1339         blocks and the symmetric IF-ELSE-JOIN case.
1340         (cond_exec_find_if_block): Also new function mostly based on old
1341         find_if_block and process_if_block.
1342         (find_if_header): Replace find_if_block call with separately
1343         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1344         (find_cond_trap): Update noce_get_condition call.
1345         (dead_or_predicable): Likewise.
1346
1347 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1348
1349         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1350         Remove.
1351         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1352         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1353         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1354         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1355         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1356         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1357         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1358         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1359         __builtin_ia32_psrad128 builtins.
1360
1361 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1362
1363         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1364         * config/i386/constraints.md
1365         (define_constraint "I"): Use IN_RANGE macro.
1366         (define_constraint "J"): Ditto.
1367         (define_constraint "K"): Ditto.
1368         (define_constraint "M"): Ditto.
1369         (define_constraint "N"): Ditto.
1370         (define_constraint "O"): Ditto.
1371         * config/i386/predicates.md
1372         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1373         (define_predicate "const_0_to_3_operand"): Ditto.
1374         (define_predicate "const_0_to_7_operand"): Ditto.
1375         (define_predicate "const_0_to_15_operand"): Ditto.
1376         (define_predicate "const_0_to_63_operand"): Ditto.
1377         (define_predicate "const_0_to_255_operand"): Ditto.
1378         (define_predicate "const_1_to_31_operand"): Ditto.
1379         (define_predicate "const_2_to_3_operand"): Ditto.
1380         (define_predicate "const_4_to_7_operand"): Ditto.
1381
1382 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1383
1384         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1385         in SImode for save_world.
1386         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1387         LR hard reg.
1388
1389 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1390
1391         PR tree-optimization/30784
1392         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1393         BIT_FIELD_REF.
1394
1395 2007-03-25  Revital Eres  <eres@il.ibm.com>
1396
1397         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1398           Fold movement_possibility function into it.
1399
1400 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1401
1402         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1403         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1404         (call_indirect_nonlocal_darwin64): Same.
1405         (call_nonlocal_darwin64): Same.
1406         (call_value_indirect_nonlocal_darwin64): Same.
1407         (call_value_nonlocal_darwin64): Same.
1408         (sibcall_nonlocal_darwin64): Same.
1409         (sibcall_value_nonlocal_darwin64): Same.
1410         (sibcall_symbolic_64): Same.
1411         (sibcall_value_symbolic_64): Same.
1412         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1413         LR pseudo.
1414         (rs6000_emit_load_toc_table): Same.
1415         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1416         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1417         (mull_call): Same.
1418         (divss_call): Same.
1419         (divus_call): Same.
1420         (quoss_call): Same.
1421         (quous_call): Same.
1422         (load_toc_v4_pic_si): Same
1423         (load_toc_v4_PIC_1): Same.
1424         (load_toc_v4_PIC_1b): Same.
1425         (call_indirect_aix{32,64}): Same.
1426         (call_value_indirect_aix{32,64}): Same.
1427         (call): Same.
1428         (call_value): Same.
1429         (call_local{32,64}): Same.
1430         (call_value_local{32,64}): Same.
1431         (call_indirect_nonlocal_aix{32,64}): Same.
1432         (call_nonlocal_aix{32,64}): Same.
1433         (call_value_indirect_nonlocal_aix{32,64}): Same.
1434         (call_value_nonlocal_aix{32,64}): Same.
1435         (call_indirect_nonlocal_sysv<mode>): Same.
1436         (call_nonlocal_sysv<mode>): Same.
1437         (call_value_indirect_nonlocal_sysv<mode>): Same.
1438         (call_value_nonlocal_sysv<mode>): Same.
1439         (sibcall): Same.
1440         (sibcall_local{32,64}): Same.
1441         (sibcall_value_local{32,64}): Same.
1442         (sibcall_nonlocal_aix{32,64}): Same.
1443         (sibcall_value_nonlocal_aix{32,64}): Same.
1444         (sibcall_nonlocal_sysv<mode>): Same.
1445         (sibcall_value): Same.
1446         (sibcall_value_nonlocal_sysv<mode>): Same.
1447
1448 2007-03-24  Paul Brook  <paul@codesourcery.com>
1449
1450         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1451         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1452
1453 2007-03-24  Richard Henderson  <rth@redhat.com>
1454
1455         * config/ia64/constraints.md: New file.
1456         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1457         satisfies_constraint_?.
1458         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1459         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1460         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1461         ia64_output_mi_thunk): Likewise.
1462         (ia64_const_ok_for_letter_p): Remove.
1463         (ia64_const_double_ok_for_letter_p): Remove.
1464         (ia64_extra_constraint): Remove.
1465         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1466         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1467         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1468         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1469         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1470         EXTRA_MEMORY_CONSTRAINT): Remove.
1471         * config/ia64/ia64.md: Include constriants.md.  Replace
1472         CONST_OK_FOR_? with satisfies_constraint_?.
1473
1474 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1475             H.J. Lu  <hongjiu.lu@intel.com>
1476
1477         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1478         DPD or BID name.
1479         (name macros): Use DPD_BID_NAME to convert names properly.
1480
1481         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1482         decimal floating point format.
1483         (init_floating_libfuncs): Change decimal functions so that they
1484         have a "bid_" prefix if the decimal system uses the BID format,
1485         and "dpd_" prefix if the decimal system uses the DPD format.
1486         (init_interclass_conv_libfuncs): Ditto.
1487         (init_intraclass_conv_libfuncs): Ditto.
1488
1489         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1490         using the BID format.
1491
1492         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1493         whether we are using the BID decimal format.
1494         * configure: Regenerate.
1495
1496         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1497         the compiler has decimal floating point enabled.  Define
1498         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1499         instead of DPD.
1500
1501         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1502         using the BID format.
1503
1504         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1505         whether we are using the BID decimal format.
1506         * configure: Regenerate.
1507
1508         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1509         the compiler has decimal floating point enabled.  Define
1510         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1511         instead of DPD.
1512
1513         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1514         options, and that it is enabled for i386/x86_64 systems.
1515
1516         * Makefile.in (enable_decimal_float): New.
1517         (DECNUMFMT): New.
1518         (DECNUMINC): Add  -I$(DECNUMFMT).
1519         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1520         to $(DECNUMFMT) from $(DECNUM).
1521
1522         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1523         Substitute enable_decimal_float.
1524         * configure: Regenerated.
1525
1526         PR other/30529
1527         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1528         unsigned long.
1529
1530         * configure.ac: Enable decimal float for x86_64-*-linux*.
1531         * configure: Regenerated.
1532
1533         PR other/30530
1534         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1535         decimal128ClearSign to flip and clear the sign bit in decimal128.
1536         (decimal_real_maxval): Set decimal128SetSign to set the sign
1537         bit in decimal128.
1538
1539 2007-03-23  Ian Lance Taylor  <iant@google.com>
1540
1541         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1542
1543 2007-03-23  Ian Lance Taylor  <iant@google.com>
1544
1545         * tree-dump.c (dump_files): Correct comment.
1546
1547 2007-03-23  Ian Lance Taylor  <iant@google.com>
1548
1549         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1550
1551 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1552
1553         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1554         in cfglayout mode.  Don't go into and out of cfglayout mode.
1555         Link the blocks in the order of the constructed traces.
1556         (rest_of_handle_tracer): Adjust call to tracer.
1557         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1558         Don't go into cfglayout mode.
1559         (rtl_loop_done): Don't go out of cfglayout mode.
1560         * cfglayout.c (relink_block_chain): New function, split out from...
1561         (fixup_reorder_chain): ...here.  Remove redundant checking.
1562         (cfg_layout_finalize): Don't clear the header, footer, and aux
1563         fields here, move the code to do so to relink_block_chain.  Likewise
1564         for free_original_copy_tables.
1565         * rtl.h (tracer): Update prototype.
1566         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1567         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1568         mode.  Use relink_block_chain to serialize the CFG according to the
1569         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1570         here...
1571         (gate_handle_reorder_blocks): ...to here.
1572         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1573         from here...
1574         (gate_duplicate_computed_gotos): ...to here.
1575         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1576         something always changes when going into and out of cfglayout mode.
1577         Perform an expensive cfg cleanup while going into cfglayout mode.
1578         Always update liveness information on HAVE_conditional_execution
1579         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1580         * reg-stack.c: Include cfglayout.h.
1581         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1582         the call to reorder_basic_blocks.
1583         * basic-block.h (reorder_basic_blocks): Update prototype.
1584         (relink_block_chain): New prototype.
1585         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1586
1587 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1588
1589         * config/mips/mips.md (type, hazard, *movdi_32bit,
1590         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1591         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1592         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1593         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1594         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1595         applicable.
1596         (movcc): Change first xfer to multi.
1597         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1598         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1599         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1600         config/mips/generic.md: Change reservations using "xfer" to use
1601         "mfc,mtc".
1602         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1603         using match_operand.
1604         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1605         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1606         examining mode.
1607         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1608
1609 2007-03-22  Richard Henderson  <rth@redhat.com>
1610
1611         * config/i386/i386.c: Remove unnecessary function declarations.
1612         Move targetm definition, and all related macros, to the end of
1613         the file.  Resort some functions to put definitions before uses.
1614         (ix86_attribute_table): Make static.  Move to end of file.
1615         (ix86_gimplify_va_arg): Make static.
1616
1617 2007-03-22  Richard Henderson  <rth@redhat.com>
1618
1619         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1620         don't increase local_regparm with force_align_arg_pointer check.
1621         (ix86_function_sseregparm): Assert 32-bit.
1622         (type_has_variadic_args_p): New.
1623         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1624         type_has_variadic_args_p.
1625         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1626         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1627         use memset instead.  Do maybe_vaarg check first; skip attribute
1628         tests if true; skip attribute tests for 64-bit.
1629         (construct_container): Remove TARGET_DEBUG_ARG.
1630         (function_arg_advance_32, function_arg_advance_64): Split out ...
1631         (function_arg_advance): ... from here.
1632         (function_arg_32, function_arg_64): Split out ...
1633         (function_arg): ... from here.
1634         (ix86_pass_by_reference): Tidy.
1635         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1636         (function_value_32): New, from parts of ix86_function_value
1637         and ix86_value_regno.
1638         (function_value_64): New, from parts of ix86_function_value
1639         and ix86_libcall_value.
1640         (ix86_function_value_1): New.
1641         (ix86_function_value, ix86_libcall_value): Use it.
1642         (return_in_memory_32, return_in_memory_64): Split out ...
1643         (ix86_return_in_memory): ... from here.
1644         (ix86_struct_value_rtx): Skip for 64-bit.
1645         (ix86_libcall_value, ix86_value_regno): Remove.
1646         (setup_incoming_varargs_64): Split out ...
1647         (ix86_setup_incoming_varargs): ... from here.
1648         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1649         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1650         * config/i386/i386-protos.h (ix86_function_value): Remove.
1651         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1652
1653 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1654
1655         PR other/23572
1656         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1657         infinities not supported, otherwise emit warning if -Woverflow. On
1658         underflow, emit warning if -Woverflow.
1659         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1660         and 0 otherwise.
1661         * real.h (real_from_string): Update declaration
1662
1663 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1664             Richard Henderson  <rth@redhat.com>
1665
1666         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1667         * calls.c (compute_argument_block_size, expand_call,
1668         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1669         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1670         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1671         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1672         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1673         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1674         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1675         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1676         Set to 1.
1677
1678 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1679
1680         * c-incpath.c (add_sysroot_to_chain): New.
1681         (merge_include_chains): Add sysroot argument.  Call
1682         add_sysroot_to_chain if sysrooted.
1683         (register_include_chains): Update call to merge_include_chains.
1684         * doc/cppopts.texi: Document use of '=' in include directory
1685         arguments.
1686
1687 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1688
1689         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1690         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1691         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1692         insn pattern using X87MODEF12 mode macro.
1693
1694 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1695
1696         * regmove.c (regmove_optimize): Use reg_mentioned_p
1697         instead of reg_overlap_mentioned_p for DST.
1698
1699 2007-03-21  Mike Stump  <mrs@apple.com>
1700
1701         * c.opt: Fixup for Objective-C/C++.
1702
1703 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1704
1705         * explow.c (convert_memory_address): Fold memory reference when
1706         POINTERS_EXTEND_UNSIGNED < 0
1707
1708 2007-03-21  Richard Henderson  <rth@redhat.com>
1709
1710         PR target/31245
1711         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1712         * config/i386/mmintrin.h (__m64): Likewise.
1713         * config/i386/xmmintrin.h (__m128): Likewise.
1714
1715 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1716
1717         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1718         (VXWORKS_OS_CPP_BUILTINS): Define.
1719         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1720         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1721
1722 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1723
1724         * rtl.h (constant_pool_reference_p): Delete.
1725         (find_constant_src): Declare.
1726         * rtlanal.c (find_constant_src): New function.
1727         * simplify-rtx.c (constant_pool_reference_p): Delete.
1728         * config/i386/i386.md: Use find_constant_src instead of
1729         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1730
1731 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1732
1733         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1734         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1735
1736 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1737
1738         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1739         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1740         (arm_elf_asm_constructor): Use it.
1741         (arm_elf_asm_destructor): New function.
1742
1743 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1744
1745         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1746
1747 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1748
1749         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1750
1751 2007-03-19  Andrew Haley  <aph@redhat.com>
1752
1753         PR tree-optimization/31264
1754         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1755         VIEW_CONVERT_EXPRs.
1756
1757 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1758
1759         PR rtl-optimization/30907
1760         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1761         (fwprop_init): Always call loop_optimizer_initialize.
1762         (fwprop_done): Always call loop_optimizer_finalize.
1763         (fwprop): We always have loop info now.
1764         (gate_fwprop_addr): Remove.
1765         (pass_fwprop_addr): Use gate_fwprop as gate.
1766
1767         PR rtl-optimization/30841
1768         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1769         df_chain_alloc): Call df_reorganize_refs unconditionally.
1770         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1771         refs_organized to refs_organized_size.
1772         (df_ref_create_structure): Use refs_organized_size instead of
1773         bitmap_size if refs had been organized, and keep refs_organized_size
1774         up-to-date.
1775         * df.h (struct df_ref_info): Change refs_organized to
1776         refs_organized_size.
1777         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1778         bitmap_size.
1779
1780 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1781
1782         * except.c (output_function_exception_table): Do not reference the
1783         EH personality routine for functions that do not require an
1784         exception table.
1785
1786 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1787
1788         PR c/30762
1789         * c-typeck.c (convert_for_assignment): Call comptypes for
1790         RECORD_TYPE or UNION_TYPE.
1791
1792         PR inline-asm/30505
1793         * reload1.c (reload): Do invalid ASM checking after
1794         cleanup_subreg_operands.
1795
1796 2007-03-19  Jeff Law  <law@redhat.com>
1797
1798         * tree-cfg.c (find_taken_edge): Tighten conditions for
1799         optimizing computed gotos.
1800
1801 2007-03-19  Michael Matz  <matz@suse.de>
1802
1803         * builtins.c (expand_builtin_sync_operation,
1804         expand_builtin_compare_and_swap,
1805         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1806         correctly.
1807
1808         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1809         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1810         for operand 3.
1811
1812 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1813
1814         * doc/tm.texi: Add brackets around the return type of
1815         TARGET_SECONDARY_RELOAD.
1816
1817 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1818         Richard Guenther  <rguenther@suse.de>
1819
1820         PR tree-optimization/31254
1821         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1822         Use handled_component_p () where appropriate.  Continue
1823         propagating into the rhs if we propagated into an INDIRECT_REF
1824         on the lhs.
1825
1826 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1827
1828         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1829         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1830         (xde, xdee): Mode attributes adjusted to support DFP modes.
1831         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1832         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1833         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1834         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1835         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1836         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1837         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1838         numbers.
1839         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1840         "movsf"): Insn definitions removed.
1841         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1842         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1843         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1844         definitions added.
1845         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1846         "reload_in<mode>", "reload_out<mode>"): Expander added.
1847         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1848         Expander removed.
1849
1850 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1851
1852         * config/s390/s390.md: Only non-functional changes.  Renamed
1853         FPR mode macro to BFP all over the file.
1854
1855 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1856
1857         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1858         (op_type attribute): RRF instruction type added.
1859         (fT0): New mode attribute.
1860         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1861         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1862         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1863         no secondary memory is needed when moving DFmode values between GPRs
1864         and FPRs.
1865
1866 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1867
1868         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1869         inverted and documentation adjusted.
1870         ("mhard-dfp", "msoft-dfp"): New options.
1871         * config/s390/s390.c (s390_handle_arch_option): New architecture
1872         switch: z9-ec.
1873         (override_options): Sanity checks for the new options added.
1874         * config.gcc: New architecture switch: z9-ec.
1875         * config/s390/s390.h (processor_flags): PF_DFP added.
1876         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1877         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1878         when the bit is NOT set so remove it from the defaults.
1879
1880 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1881
1882         * genemit.c (main): Print include statement for dfp.h.
1883         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1884         is not available.
1885
1886 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1887
1888         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1889
1890 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1891
1892         PR target/31022
1893         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1894         instead of PATTERN.
1895
1896 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1897
1898         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1899         attr_length_call, output_call, output_indirect_call): Cleanup
1900         formatting of targetm calls.
1901
1902 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1903
1904         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1905
1906 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1907
1908         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1909         reservation, bypass and anti-bypass descriptions for these instructions.
1910         Update move patterns.
1911         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1912         TYPE_FPSTORE.
1913
1914 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1915
1916         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1917         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1918         (get_initial_def_for_reduction): Likewise.
1919
1920 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1921
1922         Fix PR tree-optimization/29922
1923         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1924         (get_representative): Removed.
1925         (value_dies_in_block_x): Update for rvuse removal.
1926         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1927         (compute_antic_aux): Handle when PHI nodes appear in
1928         non-single-successors.
1929         (dump_bitmap_of_names): Removed.
1930         (compute_antic_safe): Renamed and removed rvuse calculation.
1931         Calculate only antic safe.
1932         (insert_into_preds_of_block): Remove assert.
1933         (execute_pre): Update for renamed functions.
1934         (defer_or_phi_translate_block): New function.
1935
1936 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1937
1938         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1939         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1940         typos.
1941         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1942         Follow spelling conventions.
1943
1944         * tree-data-ref.h: Remove the prototype for analyze_array.
1945
1946 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1947
1948         PR tree-optimization/31041
1949         * tree-vect-transform.c (get_initial_def_for_induction): Call
1950         force_gimple_operand.
1951
1952 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1953
1954         * ipa-type-escape.c (look_for_casts) : Revert code to use
1955         handled_component_p due to ada test a-numaux.adb.
1956
1957 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1958
1959         * final.c (final_scan_insn): Alter the condition of a
1960         conditional trap if we have nonstandard CC.
1961
1962 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1963
1964         * configure.ac: Remove excess quoting from asm line 0 test.
1965         * configure: Rebuilt.
1966
1967 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1968
1969         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1970         * c-common.c (convert_and_check): Move warning logic to...
1971         (warnings_for_convert_and_check): ...here. Define.
1972         * c-common.h (warnings_for_convert_and_check): Declare.
1973
1974 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1975
1976         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1977         (output_call): Likewise.
1978
1979 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1980
1981         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1982
1983 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1984
1985         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1986
1987 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1988
1989         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1990         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1991
1992 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1993
1994         PR tree-optimization/31183
1995         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1996         Use double_int instead of unsigned int for representing access_strides.
1997         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1998
1999 2007-03-16  Richard Guenther  <rguenther@suse.de>
2000
2001         PR tree-optimization/31146
2002         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2003         to allow recursion of forward_propagate_addr_expr.
2004         (forward_propagate_addr_into_variable_array_index): Likewise.
2005         (forward_propagate_addr_expr): Likewise.
2006         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2007         (forward_propagate_addr_expr_1): Recurse on simple copies
2008         instead of propagating into them.  Do so for useless conversions
2009         as well.
2010         (forward_propagate_addr_expr): Clean up unused statements after
2011         recursion.
2012
2013 2007-03-16  Richard Guenther  <rguenther@suse.de>
2014
2015         * builtins.c (expand_builtin_cexpi): Use the right argument
2016         for the expansion via cexp.
2017
2018 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2019
2020         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2021         * configure: Rebuilt.
2022
2023 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2024
2025         PR debug/29906
2026         * dwarf2out.c (force_type_die): Adjust comment.
2027         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2028
2029 2007-03-15  DJ Delorie  <dj@redhat.com>
2030
2031         * config/frv/predicates.md (minmax_operator): Don't check operands
2032         here.
2033
2034 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2035
2036         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2037         Update constant estimates of number of iterations.
2038         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2039         argument renamed to "realistic".
2040         (compute_estimated_nb_iterations): Removed.
2041         (record_niter_bound): New function.
2042         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2043         call record_nonwrapping_iv with upper = false.
2044         (infer_loop_bounds_from_signedness): Pass upper argument to
2045         record_nonwrapping_iv.
2046         (estimate_numbers_of_iterations_loop): Do not call
2047         compute_estimated_nb_iterations.  Record estimate based on profile
2048         information.  Initialize the constant estimates of number of
2049         iterations.
2050         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2051         estimates.
2052         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2053         number of iterations is too small.
2054         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2055         (EST_NOT_AVAILABLE): Removed.
2056         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2057         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2058         fields.
2059
2060 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2061
2062         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2063         Handle NE_EXPR guards.
2064
2065 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2066
2067         PR c++/24924
2068         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2069         Set also -pedantic-errors by default for the  preprocessor unless
2070         -fpermissive is given.
2071
2072 2007-03-15  Richard Guenther  <rguenther@suse.de>
2073
2074         PR middle-end/29719
2075         PR middle-end/31161
2076         * builtins.c (expand_builtin_cexpi): As a fallback if we
2077         don't have builtins for sincos or cexp create a function
2078         declaration for cexp and expand to a call to that.
2079         (expand_builtin_int_roundingfn): Always fall
2080         back to floor/ceil and its variants even if they may be
2081         not available.
2082
2083 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2084
2085         PR middle-end/31159
2086         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2087         jump tables, move the call to delete_dead_jumptables from here...
2088         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2089         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2090         don't allow merging of blocks that try_redirect_by_replacing_jump
2091         also does not handle when not optimizing.
2092
2093 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2094             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2095
2096         * config/i386/i386.md (x86_sahf_1): Correctly handle
2097         HAVE_AS_IX86_SAHF.
2098
2099 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2100
2101         PR target/31167
2102         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2103         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2104         from operand constraints and use "e" constraint instead.
2105         (*subti3_1, *subti3_1 splitter): Ditto.
2106         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2107         operand[1] predicate.
2108
2109 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2110
2111         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2112         arrays, multiply the access strides by the size of the sub-array.
2113         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2114
2115 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2116
2117         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2118         the configured assembler supports the sahf mnemonic.
2119         * configure: Regenerate.
2120         * config.in: Regenerate.
2121
2122         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2123         emit "sahf" or ".byte\t0x9e" as asm template.
2124
2125 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2126
2127         PR 31018
2128         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2129         option to replace hard coded TARGET_xxx in md file.
2130         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2131         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2132         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2133         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2134         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2135         (X86_TUNE_NOT_VECTORMODE): Ditto.
2136         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2137         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2138         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2139         (TUNE_SLOW_IMUL_IMM8): Ditto.
2140         (TUNE_MOVE_M1_VIA_OR): Ditto.
2141         (TUNE_NOT_UNPAIRABLE): Ditto.
2142         (TUNE_NOT_VECTORMODE): Ditto.
2143
2144         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2145         options.
2146
2147         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2148         tuning options instead of hard coded TARGET_xxx.
2149         (fix ssemode peephole2's): Ditto.
2150         (imul peephole2's): Ditto.
2151         (movsi_or): Ditto.
2152         (movdi_or_rex64): Ditto.
2153         (move peephole2): Ditto.
2154         (not peephole2's): Ditto.
2155
2156 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2157
2158         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2159         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2160         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2161         of empty body.
2162         * c-parser.c (c_parser_do_statement): Warn about empty body in
2163         do/while statement.
2164         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2165         * doc/invoke.texi (-Wempty-body): Update documentation.
2166
2167 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2168
2169         PR c/21438
2170         * c-common.h (warn_for_div_by_zero): Declare.
2171         * c-common.c (warn_for_div_by_zero): Define.
2172         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2173         warning.
2174
2175 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2176
2177         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2178         to PREFIX and STANDARD_PREFIX.
2179
2180 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2181             Phil Edwards  <phil@codesourcery.com>
2182
2183         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2184         (__gthread_once_t): Remove busy field for RTPs.
2185         (__GTHREAD_ONCE_INIT): Update accordingly.
2186
2187 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2188
2189         * doc/invoke.texi: Document VxWorks options.
2190
2191 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2192
2193         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2194
2195 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2196
2197         PR tree-optimization/30590
2198         * tree-nrv.c (tree_nrv): Check for the partial update of the
2199         return value.
2200
2201 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2202
2203         * flags.h (flag_random_seed): Remove declaration, in favor of...
2204         * toplev.h (get_random_seed, set_random_seed): ... these.
2205         * tree.c (get_file_function_name): Use the former.
2206         * opts.c (common_handle_option): Use the latter.
2207         * toplev.c
2208
2209 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2210
2211         PR middle-end/31127
2212         * cse.c (cse_find_path): Do not bail out if a basic block that
2213         we already visited now becomes part of a path that starts at a
2214         different basic block.  Just disallow this, to make sure we
2215         visit each basic block at most once.
2216
2217 2007-03-13  Jan Hubicka  <jh@suse.cz>
2218
2219         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2220         when profile esitmate is present, calls with very low frequency are
2221         cold.
2222
2223 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2224
2225         PR tree-optimization/30730
2226         PR tree-optimization/26900
2227         * tree-ssa-loop-niter.c: Include gmp.h.
2228         (bounds): New type.
2229         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2230         split_to_var_and_offset, determine_value_range,
2231         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2232         bound_difference, bounds_add, bounds_negate,
2233         number_of_iterations_ne_max, dump_affine_iv): New functions.
2234         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2235         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2236         difference of initial and final value of control iv to validate
2237         results.
2238         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2239         on the difference of the extremes of the control iv.  Add dumps.
2240         (expand_simple_operations): Handle phi nodes.
2241         (simplify_using_initial_conditions): Do not record used conditions.
2242         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2243         Do not set additional_info.
2244         (implies_nonnegative_p, implies_ge_p): Removed.
2245         (derive_constant_upper_bound): Do not use parameter `additional'.
2246         (record_estimate): Parameter `additional' removed.  Parameter
2247         `i_bound' added.  Do not call derive_constant_upper_bound.
2248         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2249         bound the number of iterations estimate.
2250         (estimate_numbers_of_iterations_loop): Pass the estimate from
2251         the number of iterations analysis to record_estimate.
2252         * tree.h (multiple_of_p): Declare.
2253         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2254         (scev_const_prop): Do not check expression_expensive_p.
2255         * fold-const.c (multiple_of_p): Exported.
2256         * double-int.c (double_int_mask): Exported.
2257         * double-int.h (double_int_mask): Declare.
2258         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2259         field.  Added max field.
2260
2261 2007-03-13  David Taylor  <taylor@candd.org>
2262
2263         PR driver/12448:
2264         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2265         default -MQ.
2266
2267 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2268
2269         PR target/31123
2270         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2271         two unamed patterns.
2272
2273 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2274
2275         * config/i386/i386.opt (mcx16, msahf): New options.
2276         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2277         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2278
2279         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2280         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2281         Output -mcx16 and -msahf options when corresponding bit is set.
2282
2283         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2284         and -msahf options.
2285
2286 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2287
2288         * configure.ac: Test for assembler tolerance to # 0 "".
2289         * configure, config.in: Rebuilt.
2290         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2291
2292 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2293
2294         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2295
2296         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2297         (handle_syscall): Handle direct system calls.
2298         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2299
2300 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2301
2302         * doc/invoke.texi: Fix cpp.info cross-reference.
2303         * doc/passes.texi: Fix gcc.info cross-reference.
2304
2305 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2306
2307         PR tree-optimization/30835
2308         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2309         bb_for_stmt is not NULL before accessing it.
2310
2311 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2312
2313         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2314         some multilibs.
2315
2316 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2317
2318         PR 30635
2319         * doc/install.texi: Document --enable-stage1-languages
2320
2321 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2322
2323         * tree-pass.h (pass_into_cfg_layout_mode,
2324         pass_outof_cfg_layout_mode): Declare.
2325         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2326         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2327         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2328         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2329
2330 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2331
2332         * c-decl.c (warn_variable_length_array): New function.
2333         Refactored from grokdeclarator to handle warn_vla
2334         and handle unnamed array case.
2335         (grokdeclarator): Refactored VLA warning case.
2336         * c.opt (Wvla): New flag.
2337         * doc/invoke.texi (Wvla): New warning.
2338
2339 2007-03-12  Richard Henderson  <rth@redhat.com>
2340
2341         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2342         (TARGET_SECTION_TYPE_FLAGS): New.
2343
2344 2007-03-12  Richard Henderson  <rth@redhat.com>
2345
2346         * config/darwin.c (machopic_reloc_rw_mask): New.
2347         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2348         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2349
2350 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2351
2352         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2353         * cppdefault.h (cpp_PREFIX): Document.
2354         (cpp_PREFIX_len): Likewise.
2355         (cpp_EXEC_PREFIX): New variable.
2356         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2357         * c-incpath.c (add_standard_paths): Correct logic for relocating
2358         paths within prefix.
2359
2360 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2361
2362         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2363         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2364         mode macro.
2365         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2366         fix_truncdfdi_sse using SSEMODEF mode macro.
2367         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2368         fix_truncdfsi_sse using SSEMODEF mode macro.
2369         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2370         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2371
2372 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2373
2374         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2375         elfos.h to tm_file.
2376
2377 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2378
2379         * tree.h : Add multiple_of_p declaration.
2380         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2381         * ipa-type-escape.c (results_of_malloc): Redundant.
2382         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2383         (cast_type): Extended with new members.
2384         (check_cast): Returns cast_type.
2385         (cast): New structure for data of walk_use_def_chains.
2386         (is_malloc_result, is_cast_from_non_pointer_1,
2387         is_cast_from_non_pointer,
2388         is_array_access_through_pointer_and_index): New functions.
2389         (look_for_casts): Returns cast types.
2390         (check_call): Returns void.
2391         (okay_pointer_operation): Use support of pointer plus index,
2392         pointer plus constant and allow all multiplications.
2393
2394 2007-03-11  Richard Guenther  <rguenther@suse.de>
2395
2396         PR tree-optimization/31115
2397         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2398         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2399         A shift count of zero is not special as with *_DIV_EXPR.
2400         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2401         direction.
2402
2403 2007-03-11  Ian Lance Taylor  <iant@google.com>
2404
2405         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2406         the *_DIV_EXPR codes correctly with overflow infinities.
2407
2408 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2409
2410         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2411         indicate success/failure of the analysis. Add negation to subtrahend
2412         in case of subtraction. Fail if both operands contain constants.
2413         (create_data_ref): Fail if analyze_offset fails.
2414
2415 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2416
2417         * config/i386/i386.md (frndintxf2): Rename to ...
2418         (rintxf2): ... this. Remove expander having same name.
2419         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2420         (roundsf2, rounddf2): Ditto.
2421         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2422         (lround<mode>di2, lround<mode>si2): Ditto.
2423
2424 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2425
2426         * lower-subreg.c: Include except.h.
2427         (decompose_multiword_subregs): Verify that the only control flow
2428         insns we can split are loads to multi-words pseudos.
2429         Handle breaking such blocks after splitting, instead of calling
2430         find_many_sub_basic_blocks.
2431
2432         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2433         on the new basic block.  Add a lengthy comment explaining why we
2434         thought this was necessary.
2435         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2436
2437 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2438
2439         PR c++/30924
2440         * tree.c (walk_type_fields): Recurse into the element type of
2441         ARRAY_TYPEs if there is a pointer set.
2442
2443 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2444
2445         * c-common.c (warn_logical_operator): Fix condition.
2446
2447 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2448
2449         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2450         quotation mark.
2451         * config/darwin.c (machopic_select_section): Remove superfluous
2452         argument in call to categorize_decl_for_section.  Remove unused
2453         variable shlib.
2454
2455 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2456
2457         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2458         defined.
2459         * configure: Regenerate.
2460
2461 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         PR target/31101
2464         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2465         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2466         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2467         Add LABEL_NUSES to emitted label.
2468         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2469         branch probability value to emitted jump insn.
2470         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2471         Do not check life information and do not re-arrange input operands
2472         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2473
2474 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2475
2476         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2477         the change of decode_asm_operands.
2478
2479 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2480
2481         * mode-switching.c (create_pre_exit): Skip blockage insn.
2482
2483 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2484
2485         * tree-pass.h (TODO_update_smt_usage): Remove.
2486         Update all users.
2487         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2488         argument SOME.
2489         Update all users.
2490
2491 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2492
2493         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2494         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2495         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2496         SOM target.
2497
2498 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2499
2500         * gcc.c: Document %{, in big comment at top.
2501         (input_suffix_matches): Remove special handling for .s and
2502         .S.
2503         (input_spec_matches): New.
2504         (handle_braces): Handle %{,.
2505         (validate_switches): ',' indicates a value which is not a switch.
2506         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2507         to detect assembler input.
2508         * config/i386/sol2.h (CPP_SPEC): Likewise.
2509         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2510         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2511         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2512         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2513         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2514         -m64 causes deployment target to default to 10.5.
2515         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2516
2517 2007-03-09  Richard Henderson  <rth@redhat.com>
2518
2519         PR target/26090
2520         * target.h (targetm.asm.out.reloc_rw_mask): New.
2521         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2522         (TARGET_ASM_OUT): Use it.
2523         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2524         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2525         use the new reloc_rw_mask target hook instead.
2526         (default_section_type_flags_1): Merge into...
2527         (default_section_type_flags): ... here.
2528         (decl_readonly_section_1): Merge into...
2529         (decl_readonly_section): ... here.
2530         (default_elf_select_section_1): Merge into...
2531         (default_elf_select_section): ... here.
2532         (default_unique_section_1): Merge into...
2533         (default_unique_section): ... here.
2534         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2535         (default_select_rtx_section): Use it.
2536         (default_elf_select_rtx_section): Likewise.
2537         * output.h: Update to match.
2538         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2539         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2540         (TARGET_ASM_RELOC_RW_MASK): New.
2541         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2542         to categorize_decl_for_section.
2543         (x86_64_elf_unique_section): Likewise.
2544         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2545         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2546         (TARGET_ASM_RELOC_RW_MASK): New.
2547         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2548         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2549         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2550         (TARGET_RWRELOC): Remove.
2551         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2552         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2553         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2554         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2555         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2556         (rs6000_xcoff_select_section): Use decl_readonly_section.
2557         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2558         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2559         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2560         (TARGET_SECTION_TYPE_FLAGS): Remove.
2561         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2562
2563 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2564
2565         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2566         complex constant equality/inequality comparisons for here.
2567         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2568         known at compile-time or can be simplified to a scalar comparison.
2569         (fold_relational_const): Move compile-time evaluation of complex
2570         constant equality/inequality comparisons to here.
2571
2572 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2573
2574         PR rtl-optimization/30643
2575         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2576         dest_addr_elt.
2577         (fold_rtx): Recurse, like before 2006-11-03.
2578
2579 2007-03-09  DJ Delorie  <dj@redhat.com>
2580
2581         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2582         m32c-pragma.o.
2583
2584 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2585
2586         PR tree-optimization/30375
2587         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2588         LHS of statements is not the same.
2589         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2590
2591 2007-03-09  Chao-ying Fu  <fu@mips.com>
2592
2593         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2594         REV 2.
2595         * doc/invoke.texi (-mdspr2): Document new option.
2596         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2597         New unspec for DSP REV 2.
2598         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2599         these instructions are extended in DSP REV 2.
2600         (mips-dspr2.md): Include.
2601         * config/mips/mips.opt (mdspr2): New option.
2602         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2603         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2604         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2605         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2606         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2607         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2608         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2609         and 2 builtins.
2610         (bdesc_map): Add one field of unsupported_target_flags.
2611         (bdesc_arrays):  Update entries to have extra fields.  Add
2612         dsp_32only_bdesc.
2613         (mips_init_builtins): Initialize new function types.
2614         Check unsupported_target_fileds to filter out builtins.
2615         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2616         TARGET_DSPR2.
2617         (ASM_SPEC): Pass mdspr2 to the assembler.
2618         * config/mips/mips-dspr2.md: New file.
2619
2620 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2621
2622         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2623
2624 2007-03-09  Ian Lance Taylor  <iant@google.com>
2625
2626         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2627         argument) like -Wstrict-overflow=2.
2628         * doc/invoke.texi (Warning Options): Update documentation.
2629
2630 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2631
2632         PR c++/17946
2633         * doc/invoke.texi (-Wlogical-op): Document.
2634         * common.opt (-Wlogical-op): New.
2635         * c-common.h (warn_logical_operator): Declare.
2636         * c-common.c (warn_logical_operator): Define.
2637         * c-typeck.c (parser_build_binary_op): Call
2638         warn_logical_operator.
2639
2640 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2641
2642         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2643         * final.c (final_scan_insn): Test for non-"" file name.
2644
2645 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2646
2647         * doc/loop.texi: Document the Omega linear constraints solver.
2648         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2649         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2650         omega-hash-table-size, omega-max-keys, and
2651         omega-eliminate-redundant-constraints.
2652         * tree-pass.h (pass_check_data_deps): Declared.
2653         * omega.c: New.
2654         * omega.h: New.
2655         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2656         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2657         pass_check_data_deps): New.
2658         * tree-data-ref.c (init_data_ref): Remove declaration.
2659         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2660         (analyze_array): Renamed init_array_ref, move up initializations.
2661         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2662         Removed arguments that are set to NULL.
2663         (analyze_indirect_ref): Correct indentation, correct call to
2664         init_pointer_ref.
2665         (object_analysis): Call init_array_ref instead of analyze_array.
2666         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2667         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2668         of DR_ACCESS_FNS_ADDR.
2669         (init_omega_eq_with_af, omega_extract_distance_vectors,
2670         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2671         ddr_consistent_p): New.
2672         (compute_affine_dependence): Check consistency of ddrs when
2673         flag_check_data_deps is passed.
2674         (analyze_all_data_dependences): Uncomment.
2675         (tree_check_data_deps): New.
2676         * tree-data-ref.h: Include omega.h.
2677         (DR_ACCESS_FNS_ADDR): Removed.
2678         (data_dependence_relation): Add inner_loop.
2679         (DDR_INNER_LOOP): New.
2680         * common.opt (fcheck-data-deps): New.
2681         * tree-flow.h (tree_check_data_deps): Declare.
2682         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2683         (OBJS-common): Depend on omega.o.
2684         (omega.o): Define.
2685         * passes.c (pass_check_data_deps): Scheduled.
2686         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2687         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2688         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2689         PARAM_VECT_MAX_VERSION_CHECKS,
2690         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2691
2692 2007-03-09  Richard Guenther  <rguenther@suse.de>
2693
2694         PR tree-optimization/30904
2695         PR middle-end/31058
2696         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2697         the same way as *_DIV_EXPR.
2698
2699 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2700
2701         * recog.c (decode_asm_operands): No mixed declarations and code.
2702
2703 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2704
2705         * rtl.def (ASM_INPUT): Add location.
2706         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2707         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2708         (decode_asm_operands): Add loc operand.
2709         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2710         * stmt.c (expand_asm): Rename to...
2711         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2712         gen_rtx_ASM_INPUT_loc.
2713         (expand_asm_expr): Adjust.
2714         * recog.c (decode_asm_operands): Add loc operand.
2715         (check_asm_operands, extract_insn): Adjust.
2716         * reload1.c (maybe_fix_stack_asms): Likewise.
2717         * final.c (asm_insn_count): Likewise.
2718         (final_scan_insn): Output # line before and after asm.
2719
2720 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2721
2722         * tree-ssa-structalias.c (variable_info): Remove
2723         finished_solution.
2724         (new_var_info): Ditto.
2725         (shared_bitmap_info_t): New structure.
2726         (shared_bitmap_table): New variable.
2727         (shared_bitmap_hash): New function.
2728         (shared_bitmap_eq): Ditto
2729         (shared_bitmap_lookup): Ditto.
2730         (shared_bitmap_add): Ditto.
2731         (merge_smts_into): Change to take bitmap directly.
2732         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2733         (init_alias_vars): Init shared bitmap hashtable.
2734         (delete_points_to_sets): Delete shared bitmap hashtable.
2735         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2736         is_aliased removal as a change that was still necessary was
2737         deleted.
2738
2739 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2740
2741         * config/i386/i386.h (override_options): Conditionally disable
2742         x86_sahf for 64bit targets only.
2743
2744 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2745
2746         PR C/31072
2747         * c-decl.c (merge_decls): Don't call make_var_volatile.
2748         * varasm.c (make_var_volatile): Remove.
2749         * output.h (make_var_volatile): Remove.
2750
2751 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2752
2753         PR tree-optimization/31085
2754         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2755
2756 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2757
2758         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2759         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2760         ATTR_CONST_NOTHROW_LIST.
2761
2762         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2763         FIX_TRUNC_EXPR.
2764
2765 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2766
2767         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2768
2769 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2770
2771         PR 31013
2772         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2773         is declared.
2774         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2775         passed, use shared libgcc.
2776
2777 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2778
2779         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2780         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2781         (honor_protect_cleanup_actions, lower_try_finally_switch):
2782         Likewise.
2783         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2784         ifc_temp_var): Likewise.
2785         * tree-inline.c (setup_one_parameter): Likewise.
2786         * tree-mudflap.c (mf_decl_cache_locals,
2787         mf_build_check_statement_for): Likewise.
2788         * tree-nested.c (init_tmp_var, save_tmp_var,
2789         finalize_nesting_tree_1): Likewise.
2790         * tree-outof-ssa.c (insert_copy_on_edge,
2791         insert_backedge_copies): Likewise.
2792         * tree-profile.c (tree_gen_edge_profiler,
2793         tree_gen_ic_profiler): Likewise.
2794         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2795         * tree-sra.c (sra_build_assignment): Likewise.
2796         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2797         * tree-ssa-math-opts.c (insert_reciprocals,
2798         execute_cse_sincos_1): Likewise.
2799         * tree-tailcall.c (adjust_accumulator_values,
2800         adjust_return_value): Likewise.
2801         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2802         * tree-vect-transform.c (vect_create_data_ref_ptr,
2803         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2804         vect_create_epilog_for_reduction, vectorizable_reduction,
2805         vectorizable_call, vectorizable_conversion,
2806         vectorizable_assignment, vectorizable_operation,
2807         vectorizable_type_demotion, vect_gen_widened_results_half,
2808         vect_permute_store_chain, vectorizable_store,
2809         vect_setup_realignment, vect_permute_load_chain,
2810         vectorizable_load, vectorizable_condition,
2811         vect_create_cond_for_align_checks): Likewise.
2812         * tree-vrp.c (build_assert_expr_for): Likewise.
2813
2814 2007-03-08  Ian Lance Taylor  <iant@google.com>
2815
2816         * tree-vrp.c: Include "intl.h".
2817         (usable_range_p): New static function.
2818         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2819         overflowed values, juts set *strict_overflow_p.
2820         (compare_values): Only return -2 if one of the operands is not a
2821         constant.
2822         (compare_ranges): Call usable_range_p.
2823         (compare_range_with_value): Likewise.
2824         (vrp_evaluate_conditional_warnv): Rename from
2825         vrp_evaluate_conditional.  Make static.  Change all callers.
2826         (vrp_evaluate_conditional): New function.
2827         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2828         on signed overflow.
2829         (simplify_abs_using_ranges): Likewise.
2830         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2831         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2832         within_stmt parameter.
2833         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2834         vrp_evaluate_conditional.
2835         * tree-ssa-threadedge.c
2836         (record_temporary_equivalences_from_stmts_at_dest): Change
2837         simplify parameter to take a second tree parameter.
2838         (simplify_control_stmt_condition): Likewise.
2839         (thread_across_edge): Likewise.
2840         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2841         (thread_across_edge): Likewise.
2842         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2843
2844 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         * config/i386/i386.h (TARGET_SAHF): New define.
2847         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2848         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2849         (x86_sahf): New global variable.
2850         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2851         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2852         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2853         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2854         for 64-bit.
2855         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2856         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2857         when expanding fcomi/sahf based tests.
2858         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2859         expanding sahf based alternative. Emit sahf based sequence when
2860         optimizing for code size.
2861         * config/i386/i386.md (x86_sahf_1): Do not disable for
2862         TARGET_64BIT, enable for TARGET_SAHF.
2863
2864 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2865
2866         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2867         spurious whitespace from error message.
2868
2869 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2870
2871         PR c++/30852
2872         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2873
2874 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2875
2876         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2877         bitfields.
2878         * tree-sra.c (instantiate_element): Propagate disabled warnings
2879         from the element itself to the created variable.
2880
2881 2007-03-07  Richard Henderson  <rth@redhat.com>
2882
2883         PR target/30848
2884         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2885         silently fix up the stack in the case of a missing register.
2886
2887 2007-03-07  Paul Brook  <paul@codesourcery.com>
2888
2889         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2890
2891 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2892
2893         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2894         New.
2895         (phase1_vrs): Use them.
2896         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2897         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2898         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2899         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2900         __gnu_Unwind_Restore_WMMXC if required.
2901         (_Unwind_VRS_Pop): Implement iWMMXt support.
2902         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2903         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2904         gnu_Unwind_Save_WMMXC): Define.
2905
2906 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2907
2908         * config/vxworks.h (vxworks_override_options): Declare.
2909         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2910         * config/vxworks.c: Include target.h and toplev.h.
2911         (vxworks_override_options): New function.
2912         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2913
2914 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2915
2916         * config/s390/s390.c (override_options): Don't emit an error when
2917         -mstack-size is used without providing -mstack-guard.
2918         (s390_emit_prologue): Choose stack_guard value automatically if not
2919         provided via command line.
2920         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2921
2922 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2923
2924         * config/i386/i386.c (output_set_got): Add a GOT initialization
2925         sequence for VxWorks PIC.
2926         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2927         around labels as well as symbols.  Use gotoff_operand instead
2928         of local_symbolic_operand.
2929         (legitimize_pic_address): Use gotoff_operand instead of
2930         local_symbolic_operand.  Use @GOT accesses for labels as
2931         well as symbols.
2932         (ix86_output_addr_diff_elt): Use PC-relative rather than
2933         GP-relative offsets for VxWorks PIC.
2934         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2935         no_new_pseudos.  Check whether the returned register is op0.
2936         * config/i386/i386.md (tablejump): Use PC-relative rather than
2937         GP-relative offsets for VxWorks PIC.
2938         * config/i386/predicates.md (gotoff_operand): New predicate.
2939
2940 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2941
2942         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2943         before defining.
2944         * config/vxworks-dummy.h: New file.
2945         * config/i386/i386.h: Include it.
2946
2947 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2948
2949         * dwarf2out.c (is_inlined_entry_point): New
2950         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2951         DW_AT_ranges if the first subblock is the entry point.
2952
2953 2007-03-06  David Daney  <ddaney@avtrex.com>
2954
2955         * doc/install.texi (mips-*-*): Change recommended binutils
2956         version.
2957
2958 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2959
2960         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2961         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2962         devices.
2963         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2964         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2965
2966 2007-03-06  Jan Hubicka  <jh@suse.cz>
2967
2968         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2969         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2970         are hot.
2971         (probably_cold_bb_p): Cold functions are cold.
2972         (probably_never_executed_bb_p): Cold functions are cold.
2973         (tree_bb_level_predictions): Predict calls to cold functions as not
2974         taken.
2975         (compute_function_frequency): Check hot/cold attributes.
2976         * function.h (function_frequency): Update comments.
2977         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2978         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2979         (c_common_att): Add cold and hot.
2980
2981         * doc/extend.texi (hot,cold attributes): Document.
2982
2983 2007-03-06  Andrew Haley  <aph@redhat.com>
2984
2985         * function.c (expand_function_end): Move blockage to just after we
2986         emit the label for the naked return from the function.
2987
2988 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2989
2990         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2991         before redefining.
2992
2993 2007-03-06  Jan Hubicka  <jh@suse.cz>
2994
2995         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2996         loaded for constant large models.  Non-large 64bit PIC can do.
2997         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2998         * cmodel.h: Add LARGE PIC.
2999         * i386.md (UNSPEC_PLTOFF): New.
3000         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3001         needed.
3002         (*call_1_rex64): Disable for large models.
3003         (*call_1_rex64_large): New.
3004         (*call_value_1_rex64): Disable for large models.
3005         (*call_value_1_rex64_large): New.
3006         (set_rip_rex4): New.
3007         (set_got_offset_rex64): New.
3008         * predicates.md (constant_call_address_operand): For large model
3009         constant calls are not possible.
3010         * i386-protos.h (construct_plt_address): Declare.
3011         * i386.c (override_options): Accept large models.
3012         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3013         (legitimate_constant_p): Add new UNSPECs.
3014         (legitimate_pic_operand_p): Likewise.
3015         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3016         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3017         non-large model.
3018         (output_pic_addr_const): Add PLTOFF.
3019         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3020         (ix86_expand_move): Legitimize pic address when in PIC mode.
3021         (construct_plt_address): New function.
3022         (ix86_expand_call): Offload the address to register and use GOT pointer
3023         for large model.
3024         * invoke.texi (mcmodel=large): Update documentation.
3025
3026 2007-03-06  Richard Henderson  <rth@redhat.com>
3027
3028         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3029         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3030         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3031         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3032         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3033         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3034         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3035         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3036         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3037         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3038         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3039         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3040         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3041         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3042         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3043         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3044         x86_schedule, x86_use_bt, x86_pad_returns,
3045         x86_use_xchgb): Merge into ...
3046         (ix86_tune_features): ... here.  New array.
3047         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3048         x86_bswap): Merge into ...
3049         (ix86_arch_features): ... here.  New array.
3050         (x86_3dnow_a): Remove.
3051         (x86_accumulate_outgoing_args): Make static.
3052         (x86_arch_always_fancy_math_387): Make static.
3053         (ix86_tune_mask, ix86_arch_mask): Move ...
3054         (override_options): ... to local variables here.  Apply the
3055         appropriate mask to each element of ix86_arch_features and
3056         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3057         as were done in the old macros.
3058         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3059         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3060         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3061         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3062         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3063         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3064         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3065         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3066         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3067         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3068         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3069         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3070         x86_accumulate_outgoing_args, x86_prologue_using_move,
3071         x86_epilogue_using_move, x86_decompose_lea,
3072         x86_arch_always_fancy_math_387, x86_shift1,
3073         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3074         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3075         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3076         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3077         x86_use_incdec, x86_pad_returns, x86_bswap,
3078         x86_partial_flag_reg_stall): Remove.
3079         (enum ix86_tune_indices): New.
3080         (ix86_tune_features): New.
3081         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3082         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3083         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3084         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3085         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3086         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3087         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3088         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3089         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3090         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3091         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3092         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3093         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3094         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3095         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3096         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3097         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3098         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3099         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3100         TARGET_EXT_80387_CONSTANTS): Use it.
3101         (enum ix86_arch_indices): New.
3102         (ix86_arch_features): New.
3103         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3104         TARGET_BSWAP): Use it.
3105         (ix86_tune_mask, ix86_arch_mask): Remove.
3106
3107 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3108
3109         PR bootstrap/31020
3110         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3111         Define using $${sysroot_headers_suffix}.
3112         * configure: Regenerate.
3113         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3114         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3115         defined.
3116         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3117         * gcc.c (print_sysroot_headers_suffix): New.
3118         (option_map): Include --print-sysroot-headers-suffix.
3119         (display_help): Mention -print-sysroot-headers-suffix.
3120         (process_command): Handle -print-sysroot-headers-suffix.
3121         (do_spec_1): Append multilib directory to include-fixed path if
3122         sysroot suffixes in use.
3123         (main): Handle -print-sysroot-headers-suffix.
3124         * Makefile.in (start.encap): Don't depend on xlimits.h
3125         (xlimits.h): Remove.
3126         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3127         limits.h for each multilib in fixinc_list.
3128         (fixinc_list, s-fixinc_list): New.
3129         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3130         generate them for each multilib in fixinc_list.
3131         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3132         multilib in fixinc_list.
3133         (mostlyclean): Don't remove xlimits.h.
3134         (clean): Remove include-fixed.
3135         (real-install-headers-tar, real-install-headers-cpio,
3136         real-install-headers-cp): Don't copy include, only include-fixed.
3137         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3138         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3139         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3140         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3141
3142 2007-03-06  Jan Hubicka  <jh@suse.cz>
3143
3144         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3145         NANs easilly.
3146
3147 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3148
3149         * configure.ac: Allow tm_file to contain build-directory files.
3150         * configure: Regenerate.
3151         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3152         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3153         * config/m68k/print-sysroot-suffix.sh: New file.
3154
3155 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3156
3157         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3158         of pic_offset_table_rtx if reload_completed.
3159         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3160         PIC_OFFSET_TABLE_REGNUM.
3161         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3162         return true.
3163         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3164         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3165
3166 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3167
3168         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3169         functions that call eh_return.
3170
3171 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3172
3173         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3174         functions that need a constant pool.
3175
3176 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3177
3178         PR target/28181
3179         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3180         (m68k_preferred_reload_class): Likewise.
3181         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3182         (SECONDARY_RELOAD_CLASS): Define.
3183         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3184         (LIMIT_RELOAD_CLASS): Delete.
3185         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3186         registers from storing bytes.
3187         (m68k_secondary_reload_class): New function.
3188         (m68k_preferred_reload_class): Likewise.
3189
3190 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3191
3192         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3193         leaf functions.
3194         (m68k_expand_prologue): Likewise.
3195
3196 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3197
3198         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3199         (mips_expand_epilogue): Add a bool parameter.
3200         (m68k_legitimize_sibcall_address): Declare.
3201         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3202         (m68k_expand_epilogue): Add a parameter to select between sibling
3203         and normal epilogues.  Only generate a return for the latter.
3204         (m68k_ok_for_sibcall_p): New function.
3205         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3206         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3207         (sibcall_value, *sibcall_value): Likewise.
3208         (*call, *call_value): Require !SIBLING_CALL_P.
3209         (epilogue): Update call to m68k_expand_epilogue.
3210         (sibcall_epilogue): New pattern.
3211         * config/m68k/predicates.md (const_call_operand): Say that this
3212         predicate applies to sibling calls too.
3213         (sibcall_operand): New predicate.
3214
3215 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3216
3217         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3218         alternatives as movsi_cf.
3219         (movsf_cf_hard): Add commentary.
3220
3221 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3222             Richard Sandiford  <richard@codesourcery.com>
3223
3224         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3225         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3226         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3227         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3228         as being live on exit from an interrupt function.
3229         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3230         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3231         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3232         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3233         (m68k_interrupt_function_p): Globalize.
3234         (m68k_compute_frame_layout): Remove reverse mask code.
3235         (m68k_emit_movem, m68k_set_frame_related): New functions.
3236         (m68k_output_function_prologue): Delete in favor of...
3237         (m68k_expand_prologue): ...this new function.
3238         (m68k_output_function_epilogue): Delete in favor of...
3239         (m68k_expand_epilogue): ...this new function.
3240         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3241         functions.
3242         (print_operand): Handle %?.
3243         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3244         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3245         (prologue, epilogue): New patterns.
3246         (return): Turn into a define_expand.
3247         (*return): New pattern, derived from old "return" pattern.  Use rte
3248         rather than rts for interrupt functions.  Only use rtd if the pop
3249         count is nonzero.
3250         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3251         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3252         (link, *link, unlink, *unlink, load_got): Likewise.
3253
3254 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3255
3256         PR target/23482
3257         PR target/17114
3258         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3259         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3260         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3261         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3262         and m68k_matches_u_p.
3263         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3264         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3265         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3266         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3267         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3268         (REG_STRICT_P): New macro.
3269         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3270         PCREL_GENERAL_OPERAND_OK.
3271         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3272         m68k_legitimate_base_reg_p.
3273         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3274         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3275         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3276         * config/m68k/m68k.c (m68k_address): New structure.
3277         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3278         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3279         (m68k_jump_table_ref_p, m68k_decompose_address)
3280         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3281         (m68k_matches_u_p): New functions.
3282         (print_operand_address): Rewrite to use m68k_decompose_index.
3283
3284 2007-03-05  David Taylor  <dtaylor@emc.com>
3285
3286         * gcc.c: Correct copyright date in --version output.
3287
3288 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3289
3290         * pa.md: In unamed move patterns, disparge copies between general
3291         and floating point registers using '?' modifier.  Don't include 'f'
3292         constraint for register preferences in DImode, SImode, HImode and
3293         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3294         Remove constraints for copies between general and floating registers
3295         in soft-float DFmode pattern.
3296         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3297         floating register.
3298         (movsf): Likewise.
3299
3300 2007-03-05  Mike Stump  <mrs@apple.com>
3301
3302         * c-common.c (targetcm): Add.
3303         * c-opts.c (c_common_handle_option): Handle language specific
3304         target options.
3305         * opts.c (handle_option): Verify language for target options, if
3306         any are given.
3307         * opth-gen.awk: Add CL_LANG_ALL.
3308         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3309         (TARGETCM_INITIALIZER): Add.
3310         * target.h (struct gcc_targetcm): Add.
3311         (targetcm): Add.
3312         * targhooks.c (default_handle_c_option): Add.
3313         * targhooks.h (default_handle_c_option): Add.
3314         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3315
3316         * config/darwin.opt (iframework): Add.
3317         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3318         * config/darwin-c.c (handle_c_option): Add.
3319         (TARGET_HANDLE_C_OPTION): Add.
3320         (targetcm): Add.
3321         * doc/invoke.texi (Darwin Options): Add -iframework.
3322
3323 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3324
3325         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3326         conversion.
3327
3328 2007-03-05  Ian Lance Taylor  <iant@google.com>
3329
3330         * c.opt (fgnu89-inline): New option.
3331         * c-opts.c (c_common_post_options): Set default value for
3332         flag_gnu89_inline.
3333         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3334         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3335         inline functions.
3336         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3337         (grokdeclarator, start_function): Likewise.
3338         * c-cppbuiltin.c (c_cpp_builtins): Define either
3339         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3340         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3341         (C Dialect Options): Document -fgnu89-inline.
3342         * doc/extend.texi (Function Attributes): Explain what the
3343         gnu_inline attribute does.
3344         * doc/cpp.texi (Common Predefined Macros): Document
3345         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3346
3347 2007-03-05  Ian Lance Taylor  <iant@google.com>
3348
3349         PR tree-optimization/31034
3350         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3351         half-range if the other side is an overflow infinity.
3352
3353 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3354
3355         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3356         (bfin*-linux-uclibc*): New configuration.
3357         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3358         defining.
3359         * config/bfin/linux.h: New file.
3360         * config/bfin/libgcc-bfin.ver: New file.
3361         * config/bfin/t-bfin-uclinux: New file.
3362         * config/bfin/t-bfin-linux: New file.
3363         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3364         (TARGET_OS_CPP_BUILTINS): New macro.
3365
3366 2007-03-05  Richard Guenther  <rguenther@suse.de>
3367
3368         * fold-const.c (fold_binary): Remove duplicate folding
3369         of comparison of non-null ADDR_EXPR against null.
3370
3371 2007-03-05  Richard Guenther  <rguenther@suse.de>
3372             Dorit Nuzman  <dorit@il.ibm.com>
3373
3374         PR tree-optimization/26420
3375         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3376         are no loops in the function.  Only print the number of
3377         vectorized loops if it is greater than zero or we are supposed
3378         to print information about unvectorized loops.
3379
3380 2007-03-05  Revital Eres  <eres@il.ibm.com>
3381
3382         * gcc.dg/var-expand1.c: New test.
3383         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3384         when an accumulator is expanded.
3385
3386 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3387
3388         PR other/30465
3389         * c-common.c (convert_and_check): Don't give warnings for
3390         conversion if 'expr' already overflowed.
3391
3392 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3393
3394         PR middle-end/30744
3395         * fold-const.c (fold_comparison): Enforce type consistency when
3396         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3397
3398 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3399
3400         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3401         containing a cast to the base of TARGET_MEM_REF.
3402
3403 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3404
3405         * tree.c (tree_contains_struct_check_failed): Remove spurious
3406         whitespace from error message.
3407
3408 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3409
3410         PR target/30406
3411         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3412         instead of precision.
3413
3414 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3415             Nathan Sidwell  <nathan@codesourcery.com>
3416
3417         * emit-rtl.c (find_auto_inc): New.
3418         (try_split): recreate REG_INC notes,
3419         Use regular for loops rather than whiles.
3420
3421 2007-03-03  Andreas Schwab  <schwab@suse.de>
3422
3423         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3424         * configure: Regenerate.
3425
3426 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3427
3428         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3429         flag_rounding_math, not flag_unsafe_math_optimizations.
3430
3431         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3432         fold_build2.
3433         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3434         alpha_fold_vector_minmax): Likewise.
3435         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3436         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3437
3438 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3439
3440         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3441         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3442         if the lhs has side-effects.
3443         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3444
3445 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3446
3447         * config/i386/i386.h (TUNEMASK): Remove define.
3448         (ARCHMASK): Remove define.
3449         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3450          Use ix86_arch_mask variable instead of ARCHMASK.
3451         * config/i386/i386.c (override_options): Ditto.
3452         (standard_80387_constant_p): Ditto.
3453
3454 2007-03-02  Ian Lance Taylor  <iant@google.com>
3455
3456         Used signed infinities in VRP.
3457         * tree-vrp.c (uses_overflow_infinity): New static function.
3458         (supports_overflow_infinity): New static function.
3459         (make_overflow_infinity): New static function.
3460         (negative_overflow_infinity): New static function.
3461         (positive_overflow_infinity): New static function.
3462         (is_negative_overflow_infinity): New static function.
3463         (is_positive_overflow_infinity): New static function.
3464         (is_overflow_infinity): New static function.
3465         (overflow_infinity_range_p): New static function.
3466         (compare_values_warnv): New function split out of compare_values.
3467         (compare_value): Call it.
3468         (set_value_range_to_nonnegative): Add overflow_infinity
3469         parameter.  Change caller.
3470         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3471         Change callers.
3472         (vrp_expr_computes_nonzero): Likewise.
3473         (compare_ranges, compare_range_with_value): Likewise.
3474         (compare_name_with_value, compare_names): Likewise.
3475         (vrp_evaluate_conditional): Likewise.
3476         (set_value_range): Handle infinity
3477         (vrp_operand_equal_p, operand_less_p): Likewise.
3478         (extract_range_from_assert): Likewise.
3479         (vrp_int_const_binop): Likewise.
3480         (extract_range_from_binary_expr): Likewise.
3481         (extract_range_from_unary_expr): Likewise.
3482         (extract_range_from_comparison): Likewise.
3483         (extract_range_from_expr): Likewise.
3484         (dump_value_range): Likewise.
3485         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3486         (test_for_singularity): Likewise.
3487         (vrp_int_const_binop): Remove inline qualifier.
3488         (adjust_range_with_scev): Add comment.
3489         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3490
3491 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3492
3493         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3494         (get_constraint_for): Likewise.
3495         (do_structure_copy): Likewise.
3496         (find_func_aliases): Fix references to MODIFY_EXPR.
3497         (intra_create_variable_infos): Tidy.
3498         * tree-ssa-operands.c (add_virtual_operand): Add argument
3499         IS_CALL_SITE.
3500         When adding members of alias sets, if IS_CALL_SITE is true and
3501         the symbol is not call-clobbered, skip it.
3502         Adjust all callers.
3503
3504 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3505
3506         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3507         entry by means of emit_insn_at_entry.
3508
3509 2007-03-02  Richard Henderson  <rth@redhat.com>
3510
3511         * expr.h (promoted_input_arg): Remove decl.
3512         * function.c (promoted_input_arg): Merge into ...
3513         * combine.c (setup_incoming_promotions): ... only caller.
3514         Rearrange to avoid double loop.
3515
3516 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3517             Peter Bergner  <bergner@vnet.ibm.com>
3518             Janis Johnson  <janis187@us.ibm.com>
3519
3520         * config/rs6000/dfp.md: New file.
3521         * config/rs6000/rs6000.md: Include dfp.md.
3522         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3523         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3524         and TDmode decimal float modes in FP registers.
3525         (num_insns_constant): Likewise.
3526         (rs6000_legitimate_offset_address_p): Likewise.
3527         (rs6000_legitimize_address): Likewise.
3528         (rs6000_legitimize_reload_address): Likewise.
3529         (rs6000_legitimate_address): Likewise.
3530         (rs6000_emit_move): Likewise.
3531         (function_arg_boundary): Likewise.
3532         (function_arg_advance): Likewise.
3533         (rs6000_darwin64_record_arg_recurse): Likewise.
3534         (function_arg): Likewise.
3535         (rs6000_gimplify_va_arg): Likewise.
3536         (rs6000_split_multireg_move): Likewise.
3537         (rs6000_output_function_epilogue): Likewise.
3538         (rs6000_output_function_epilogue): Likewise.
3539         (rs6000_register_move_cost): Likewise.
3540         (rs6000_function_value): Likewise.
3541         (rs6000_libcall_value): Likewise.
3542
3543 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3544
3545         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3546
3547 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3548
3549         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3550         Use $MULTIDIR to choose between the kernel and RTP headers,
3551         and use $WIND_BASE and $WIND_USR to locate them.
3552
3553 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3554
3555         * config/i386/i386.c (override_options): Put initialization of
3556         ix86_tune_mask and ix86_arch_mask to the correct place.
3557
3558 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3559             Michael Meissner  <michael.meissner@amd.com>
3560
3561         PR target/31019
3562         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3563         (ARCHMASK): Define.
3564         (TARGET_CMOVE): Use ARCHMASK.
3565         (TARGET_CMPXCHG): Ditto.
3566         (TARGET_CMPXCHG8B): Ditto.
3567         (TARGET_XADD): Ditto.
3568         (TARGET_BSWAP): Ditto.
3569         * config/i386/i386.c (ix86_tune_mask): New global variable.
3570         (ix86_arch_mask): Ditto.
3571         (override_options): Initialize ix86_tune_mask and
3572         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3573         target_flags.
3574
3575 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3576
3577         PR 30992
3578         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3579
3580 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3581
3582         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3583         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3584         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3585         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3586         hook.
3587         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3588         rs6000_init_dwarf_reg_sizes_extra): New.
3589         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3590         SPE register high parts.
3591
3592 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3593
3594         * Makefile.in: Add install-pdf target as
3595         copied from automake v1.10 rules.
3596         * configure.ac: Add install-pdf to target list.
3597         * configure: Regenerate.
3598
3599 2007-03-01  Paul Brook  <paul@codesourcery.com>
3600
3601         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3602         modes to LDRD for DImode.
3603         (output_move_double): Fixup out of range ldrd/strd.
3604         (vfp_secondary_reload_class): Rename...
3605         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3606         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3607         coproc_secondary_reload_class for CLASS_IWMMXT.
3608         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3609         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3610
3611 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3612
3613         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3614         factor by the estimated number of iterations.
3615         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3616         prefetch latency.
3617
3618         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3619         decode_caches_intel, detect_caches_intel): New functions.
3620         (host_detect_local_cpu): Use detect_caches_amd and
3621         detect_caches_intel.
3622
3623 2007-03-01  Richard Henderson  <rth@redhat.com>
3624
3625         * expr.c (emit_move_complex_push): Export.
3626         (emit_move_complex_parts): Split out from ...
3627         (emit_move_complex): ... here.
3628         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3629         * config/i386/i386.md (movcdi): New.
3630
3631 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3632
3633         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3634         size of mode1 to check for tieable modes in MMX case.
3635
3636 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3637
3638         * Makefile.in (rtlanal.o): Depend on tree.h.
3639         * rtl.h (offset_within_section_p, split_const): Declare.
3640         * rtlanal.c: Include tree.h.
3641         (offset_within_block_p): New function, taken from
3642         mips_offset_within_object_p.
3643         (split_const): New function, taken from mips_split_const.
3644         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3645         Declare.
3646         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3647         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3648         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3649         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3650         (m68k_illegitimate_symbolic_constant_p): New function.
3651         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3652         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3653         symbolic constant that might be outside the symbol's section,
3654         move the symbol first and then add the offset.
3655         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3656         Override.
3657         * config/mips/mips.c (mips_split_const): Delete.
3658         (mips_offset_within_object_p): Delete.
3659         (mips_symbolic_constant_p): Use offset_within_section_p and
3660         split_const instead of mips_offset_within_object_p and
3661         mips_split_const.
3662         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3663         (mips_legitimize_const_move, print_operand_reloc)
3664         (mips_dangerous_for_la25_p): Use split_const instead of
3665         mips_split_const.
3666
3667 2007-02-28  Eric Christopher  <echristo@apple.com>
3668
3669         * Makefile.in (install-include-dir): Don't rm -rf include.
3670
3671 2007-02-28  Richard Guenther  <rguenther@suse.de>
3672
3673         PR middle-end/30364
3674         * fold-const.c (fold_binary): Do not associate expressions
3675         with more than one variable for integer types that do not wrap.
3676
3677 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3678
3679         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3680         Delete, and replace with...
3681         (fold_builtin_call_array): This.  Update callers to use it.
3682         * fold-const.c (fold_build_call_list): Delete, and replace with...
3683         (fold_build_call_array): This.
3684         (fold_build_call_list_initializer): Delete, and replace with...
3685         (fold_build_call_array_initializer): This.
3686         * tree.h: Update declarations to reflect above changes.
3687
3688         * c-typeck.c (build_function_call): Store converted arguments
3689         in a stack-allocated array instead of building a list.
3690         (convert_arguments): Store arguments in the array passed in as an
3691         argument, and return the actual number of arguments.
3692         * c-format.c: (check_function_format): Pass arguments in an
3693         array instead of a list.
3694         * c-common.c (check_function_nonnull): Likewise.
3695         (check_function_sentinel): Likewise.
3696         (check_function_arguments): Likewise.
3697         * c-common.h: Update declarations to reflect above changes.
3698
3699 2007-02-28  Jan Hubicka  <jh@suse.cz>
3700
3701         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3702         PRED_NEGATIVE_RETURN): Update outcomes.
3703
3704 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3705
3706         * calls.c (emit_library_call_value_1): Handle partial registers
3707         correctly when building up CALL_INSN_FUNCTION_USAGE.
3708
3709 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3710
3711         * pa/predicates.md (move_src_operand): Allow zero for mode.
3712         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3713         move pattern.
3714
3715 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3716
3717         PR target/30970
3718         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3719         *movv2df_internal): Enable pattern only for valid operand
3720         combinations.
3721         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3722         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3723
3724 2007-02-27  Mike Stump  <mrs@apple.com>
3725
3726         * config/darwin-crt3.c: Avoid compilation when compiling for a
3727         kext multilib.
3728
3729 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3730
3731         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3732         FIXED_INCLUDE_DIR.
3733         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3734         for fixed headers and limits.h.
3735         (install-include-dir, install-headers-tar, install-headers-cpio,
3736         install-headers-cp, real-install-headers-tar,
3737         real-install-headers-cpio, real-install-headers-cp): Handle
3738         include-fixed as well as include.
3739         (install-mkheaders): Don't install files that go only in include
3740         not include-fixed.
3741         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3742         from GCC_INCLUDE_DIR.
3743         * gcc.c (process_command): Remove special -BstageN/ handling.
3744         (do_spec_1): Add include-fixed directories.
3745
3746 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3747
3748         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3749         _smulsi3_highpart.
3750         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3751         New functions.
3752         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3753         patterns.
3754
3755 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3756
3757         * c-common.c (get_priority): Add check for
3758         SUPPORTS_INIT_PRIORITY.
3759
3760 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3761
3762         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3763
3764         * config/bfin/bfin.c: Include "cfglayout.h".
3765         (MAX_LSETUP_DISTANCE): New macro.
3766         (struct loop_info): New members incoming, incoming_src and
3767         incoming_dest.  Delete member predecessor.
3768         (length_for_loop): New function.
3769         (bfin_optimize_loop): Handle more different loop structures.
3770         (bfin_discover_loop): Rework detection of predecessor blocks by
3771         examining incoming edges.
3772         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3773         bfin_reorg_loops.
3774         (bfin_reorder_loops): New function.
3775         (bfin_reorg_loops): Use these three new functions.
3776
3777         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3778         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3779         (CONSTRAINT_LEN): Add entry for 'q'.
3780         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3781         Add 'q' constraints.
3782         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3783         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3784
3785         * config/bfin/bfin.md (add_with_carry): New pattern.
3786         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3787         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3788         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3789         support unsigned multiplies too.  Removed incorrect commutativity from
3790         operand 1 constraint where appropriate.
3791         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3792         patterns.
3793         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3794         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3795         New patterns.
3796         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3797         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3798         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3799         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3800         usmulhisi_hh_huh): New patterns.
3801
3802         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3803         lshifthi3): Fix output template to use half reg for operand 2.
3804
3805         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3806         instead of R2.
3807
3808         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3809
3810 2007-02-27  Andreas Schwab  <schwab@suse.de>
3811
3812         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3813
3814 2007-02-27  Jan Hubicka  <jh@suse.cz>
3815
3816         * predict.c (last_basic_block_p): Remove.
3817         (tree_estimate_probability): Update return heuristic for commonized
3818         return blocks.
3819
3820 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3821
3822         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3823
3824 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3825
3826         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3827         * doc/cpp.texi: Standardize title page.
3828         * doc/cppinternals.texi: Likewise.
3829         * doc/gcc.texi: Standardize title page, remove version number
3830         from copyright page.
3831         * doc/gccint.texi: Likewise.
3832         * doc/install.texi: Standardize title page, add table of
3833         contents.
3834
3835 2007-02-26  Jan Hubicka  <jh@suse.cz>
3836
3837         * predict.def: Set outcomes according to more recent results.
3838         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3839         Remove dead predictors.
3840         * predict.c (return_prediction): Fix pasto.
3841
3842 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3843
3844         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3845         change; avoid a memory leak when returning early.
3846
3847 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3848
3849         * c-decl.c (static_ctors): Move to c-common.c.
3850         (static_dtors): Likewise.
3851         (finish_function): Use c_record_cdtor_fn.
3852         (build_cdtor): Move to c-common.c.
3853         (c_write_global_declarations): Use c_build_cdtor_fns.
3854         * c-common.h (static_ctors): Declare.
3855         (static_dtors): Likewise.
3856         (c_record_cdtor_fn): Likewise.
3857         (c_build_cdtor_fns): Likewise.
3858         * c-common.c (static_ctors): New variable.
3859         (static_dtors): Likewise.
3860         (c_record_cdtor_fn): New function.
3861         (build_cdtor): Move from c-decl.c
3862         (c_build_cdtor_fns): New function.
3863
3864         * output.h (assemble_addr_to_section): Declare.
3865         (get_cdtor_priority_section): Likewise.
3866         * varasm.c (assemble_addr_to_section): New function.
3867         (get_cdtor_priority_section): Likewise.
3868         (default_named_section_asm_out_destructor): Use them.
3869         (destor_dtor_section_asm_out_destructor): Likewise.
3870         (default_named_section_asm_out_constructor): Likewise.
3871         (default_ctor_section_asm_out_constructor): Likewise.
3872         * config.gcc (*-*-vxworks*): Include vxworks.o.
3873         * config/t-vxworks (vxworks.o): New target.
3874         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3875         (TARGET_ASM_CONSTRUCTOR): Define.
3876         (TARGET_ASM_DESTRUCTOR): Likewise.
3877         (vxworks_asm_out_constructor): Declare.
3878         (vxworks_asm_out_destructor): Likewise.
3879
3880         * c-common.c (get_priority): Check that we have not just an
3881         INTEGER_CST, but an integer constant with integeral type.
3882
3883 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3884
3885         PR tree-optimization/30938
3886         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3887         use &dt[nargs-1] instead of &dt[nargs] in the call to
3888         vect_is_simple_use().
3889
3890 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3891
3892         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3893         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3894         Do not attempt to handle MEM inside auto-inc expressions.
3895         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3896         of a register modified by an auto-inc expression.  However, do handle
3897         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3898         (elimination_effects): Prohibit elimination of a register modified
3899         by an auto-inc expression.  Disable register elimination rules whose
3900         target register is modified by an auto-inc expression with variable
3901         increment.
3902
3903 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3904
3905         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3906         off-by-one error.
3907         (array_at_struct_end_p): New function.
3908         (idx_infer_loop_bounds): Use it.
3909         (estimate_numbers_of_iterations_loop): Export.
3910         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3911         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3912         (tree_estimate_probability): Call record_loop_exits.
3913         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3914         (estimated_loop_iterations, estimated_loop_iterations_int,
3915         estimated_loop_iterations_tree): New functions.
3916         (analyze_siv_subscript_cst_affine,
3917         compute_overlap_steps_for_affine_1_2,
3918         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3919         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3920         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3921         (PRED_LOOP_ITERATIONS_GUESSED): New.
3922         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3923         * cfgloop.h (estimate_numbers_of_iterations_loop,
3924         estimated_loop_iterations_int): Declare.
3925
3926 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3927
3928         * doc/extend.texi: Document optional priority argument to
3929         constructors and destructors.
3930         * tree.c (init_priority_for_decl): Adjust GTY markers.
3931         (init_ttree): Use priority-info hash functions for
3932         init_priority_for_decl.
3933         (tree_map_eq): Rename to ...
3934         (tree_map_base_eq): ... this.
3935         (tree_map_marked_p): Rename to ...
3936         (tree_map_base_marked_p): ... this.
3937         (tree_map_base_hash): New function.
3938         (decl_init_priority_lookup): Rework.
3939         (decl_fini_priority_lookup): New function.
3940         (decl_priority_info): New function.
3941         (decl_init_priority_insert): Use it.
3942         (decl_fini_priority_insert): Likewise.
3943         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3944         hierarchy.
3945         (decl_restrict_base_insert): Likewise.
3946         (decl_debug_expr_insert): Likewise.
3947         (decl_value_expr_lookup): Likewise.
3948         (decl_value_expr_insert): Likewise.
3949         * tree.h (priority_type): New type.
3950         (decl_init_priority_lookup): Use priority_type.
3951         (decl_fini_priority_lookup): New function.
3952         (decl_init_priority_insert): Use priority_type.
3953         (decl_fini_priority_insert): New function.
3954         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3955         (DECL_INIT_PRIORITY): Likewise.
3956         (SET_DECL_INIT_PRIORITY): Add comment.
3957         (DECL_FINI_PRIORITY): New macro.
3958         (SET_DECL_FINI_PRIORITY): Likewise.
3959         (DEFAULT_INIT_PRIORITY): Document.
3960         (MAX_INIT_PRIORITY): Likewise.
3961         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3962         (tree_map_base): New type.
3963         (tree_map_base_eq): New function.
3964         (tree_map_base_hash): Likewise.
3965         (tree_map_base_marked_p): Likewise.
3966         (tree_map): Inherit from tree_map_base.
3967         (tree_map_eq): Make it a macro.
3968         (tree_map_marked_p): Likewise.
3969         (tree_int_map): Inherit from tree_map_base.
3970         (tree_int_map_eq): Make it a macro.
3971         (tree_int_map_hash): Likewise.
3972         (tree_int_map_marked_p): Likewise.
3973         (tree_priority_map): New type.
3974         (tree_priority_map_eq): New macro.
3975         (tree_priority_map_hash): Likewise.
3976         (tree_priority_map_marked_p): Likewise.
3977         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3978         hierarchy.
3979         (emutls_common_1): Likewise.
3980         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3981         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3982         of tree_map hierarchy.
3983         * tree-cfg.c (move_stmt_r): Likewise.
3984         (new_label_mapper): Likewise.
3985         * c-tree.h (c_expand_body): Move to ...
3986         * c-common.h (c_expand_body): ... here.
3987         * c-decl.c (c_expand_body): Move to ...
3988         * c-common.c (c_expand_body): ... here.
3989         (c_common_attribute_table): Allow 1 argument for the constructor
3990         and destructor attributes.
3991         (get_priority): New function.
3992         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3993         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3994
3995 2007-02-24  Jan Hubicka  <jh@suse.cz>
3996
3997         PR middle-end/30509
3998         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3999
4000 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4001             Jan Hubicka  <jh@suse.cz>
4002
4003         PR target/30778
4004         * i386.c (counter_mode): New function.
4005         (expand_set_or_movmem_via_loop): Use it.
4006         (expand_movmem_epilogue): Likewise; fix pasto.
4007         (ix86_expand_movmem): Do emit guard even for constant counts.
4008         (ix86_expand_setmem): Likewise.
4009
4010 2007-02-25  Nick Clifton  <nickc@redhat.com>
4011
4012         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4013         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4014
4015 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4016
4017         PR target/30770
4018         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4019         count argument with 0x10, not with 0x16.
4020         (expand_setmem_epilogue): Ditto.
4021
4022 2007-02-24  Mike Stump  <mrs@apple.com>
4023
4024         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4025         symbols.
4026
4027 2007-02-24  Richard Guenther  <rguenther@suse.de>
4028
4029         PR middle-end/30951
4030         * fold-const.c (fold_binary): Fold x +- CST op x for
4031         EQ_EXPR and NE_EXPR.
4032
4033 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4034
4035         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4036
4037 2007-02-24  Jan Hubicka  <jh@suse.cz>
4038
4039         * cgraphunit.c (decide_is_function_needed): Honor
4040         -fkeep-inline-functions.
4041
4042 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4043
4044         * builtins.c (fold_builtin_modf): New.
4045         (fold_builtin_2): Use it.
4046
4047 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4048
4049         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4050         (determine_max_iter): Take additional LOOP arg; all callers changed.
4051         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4052         one using simplifications.
4053         (simplify_using_initial_values): Return if the expression becomes
4054         invalid due to altered regs.
4055
4056 2007-02-23  DJ Delorie  <dj@redhat.com>
4057
4058         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4059
4060 2007-02-23  Mike Stump  <mrs@apple.com>
4061
4062         * tlink.c (scan_linker_output): Parse linker messages from
4063         darwin9's linker better.
4064
4065 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4066
4067         PR debug/29614
4068         * varpool.c (varpool_assemble_pending_decls):  Set
4069         varpool_last_needed_node to null.
4070
4071 2007-02-23  DJ Delorie  <dj@redhat.com>
4072
4073         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4074         alignment bigger than the object file can handle.
4075
4076 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4077
4078         PR target/30825
4079         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4080         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4081         (*movsf_1): Penalize MMX moves.
4082
4083 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4084
4085         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4086         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4087
4088         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4089
4090 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4091
4092         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4093         (fold_builtin_1): Use them.
4094         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4095         BUILT_IN_SIGNIFICAND.
4096
4097 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4098
4099         * config/i386/i386.c (bdesc_1arg): Initialize
4100         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4101         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4102         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4103         and IX86_BUILTIN_MOVSLDUP.
4104
4105 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4106
4107         PR rtl-optimization/30841
4108         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4109
4110 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4111
4112         * builtins.c (fold_builtin_frexp): New.
4113         (fold_builtin_2): Use it.
4114
4115 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4116
4117         * doc/invoke.texi (Spec Files): Document getenv spec function.
4118
4119         * gcc.c (getenv_spec_function): New function.
4120         (static_spec_functions): Add it.
4121         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4122         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4123         header files.
4124
4125 2007-02-22  Michael Matz  <matz@suse.de
4126
4127         PR c++/29433
4128         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4129         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4130
4131 2007-02-22  Ian Lance Taylor  <iant@google.com>
4132
4133         PR debug/30898
4134         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4135         (mem_loc_descriptor): Call it.
4136
4137 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4138             Ira Rosen  <irar@il.ibm.com>
4139
4140         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4141
4142 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4143
4144         PR tree-optimization/30843
4145         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4146         stores only after all the group is vectorized.
4147
4148 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4149
4150         PR tree-optimization/30858
4151         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4152         in the reduction cycle have a single use in the loop.
4153         * tree-vectorizer.h (relevant): Add documentation.
4154
4155 2007-02-20  Mike Stump  <mrs@apple.com>
4156
4157         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4158         * configure: Regenerate.
4159
4160 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4161
4162         Change the defaults of some parameters and options.
4163         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4164         * config/spu/spu.c (spu_optimization_options): Add.
4165         (spu_override_options): Change params in spu_optimization_options.
4166         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4167
4168         Register 127 is only 16 byte aligned when used as a frame pointer.
4169         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4170         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4171         HARD_FRAME_POINTER_REGNUM.
4172         (spu_legitimate_address):  Use regno_aligned_for_reload.
4173         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4174         aligned when frame_pointer_needed is true.
4175         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4176         to 8 bits.
4177         * config/spu/spu.h (INIT_EXPANDERS): Define.
4178
4179         Make sure shift and rotate instructions have valid immediate operands.
4180         * config/spu/predicates.md (spu_shift_operand): Remove.
4181         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4182         * config/spu/constraints.md (W, O): Extend range.
4183         * config/spu/spu.md (umask, nmask): Define.
4184         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4185         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4186         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4187         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4188         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4189         (lshr<mode>3_reg):  Fix rtl description.
4190
4191         Make sure mulhisi immediate operands are valid.
4192         * config/spu/predicates.md (imm_K_operand): Add.
4193         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4194
4195         Generate constants using fsmbi and andi.
4196         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4197         (print_operand, spu_split_immediate, classify_immediate,
4198         fsmbi_const_p): Handle IC_FSMBI2.
4199
4200         Correctly handle a CONST_VECTOR containing symbols.
4201         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4202         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4203         (immediate_load_p): Allow symbols that use 2 instructions to create.
4204         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4205         with symbols when flag_pic is set.
4206         (const_vector_immediate_p): New.
4207         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4208         accept a CONST_VECTOR with symbols.
4209         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4210         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4211         correctly.
4212         * config/spu/spu.md (high, low): Delete.
4213         (low_<mode>): Define.
4214
4215         Remove INTRmode and INTR_REGNUM, which didn't work.
4216         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4217         of INTR_REGNUM.
4218         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4219         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4220         peephole2 pattern): Don't use INTR or 131.
4221         (movintrcc): Delete.
4222         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4223         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4224         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4225         (UNSPEC_SET_INTR): Add.
4226         * config/spu/spu-modes.def (INTR): Remove.
4227
4228         More accurate warnings about run-time relocations.
4229         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4230
4231         Correctly warn about immediate arguments to specific intrinsics.
4232         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4233         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4234         the instruction predicate.
4235
4236         Fix tree check errors with latest update.
4237         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4238         CALL_EXPR_ARG.
4239         (spu_expand_builtin): Use CALL_EXPR_FN.
4240
4241         Add missing specific intrinsics.
4242         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4243         si_bislede.
4244         * config/spu/spu_internals.h: Ditto.
4245
4246         Fix incorrect operand modifiers.
4247         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4248         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4249
4250         Optimize one case of zero_extend of a vec_select.
4251         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4252
4253         Accept any immediate for hbr.
4254         * config/spu/spu.md (hbr):  Change s constraints to i.
4255
4256 2007-02-21  Paul Brook  <paul@codesourcery.com>
4257
4258         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4259         condexec_count when skipping USE and CLOBBER.
4260
4261 2007-02-21  Nick Clifton  <nickc@redhat.com>
4262
4263         * common.opt (Warray-bounds): Add Warning attribute.
4264         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4265         Likewise.
4266         (fsized-zeroes): Add Optimization attribute.
4267         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4268         * c.opt (Wc++0x-compat): Add Warning attribute.
4269
4270 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4271
4272         PR middle-end/30761
4273         * reload1.c (eliminate_regs_in_insn): In the single_set special
4274         case, attempt to re-recognize the insn before falling back to
4275         having reload fix it up.
4276
4277 2007-02-20  Eric Christopher  <echristo@gmail.com>
4278
4279         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4280         Rewrite accordingly.
4281         (frv_read_iacc_argument): Ditto.
4282         (frv_expand_set_builtin): Take a call instead of arglist, update for
4283         above changes.
4284         (frv_expand_unop_builtin): Ditto.
4285         (frv_expand_binop_builtin): Ditto.
4286         (frv_expand_cut_builtin): Ditto.
4287         (frv_expand_binopimm_builtin): Ditto.
4288         (frv_expand_voidbinop_builtin): Ditto.
4289         (frv_expand_int_void2arg): Ditto.
4290         (frv_expand_prefetches): Ditto.
4291         (frv_expand_voidtriop_builtin): Ditto.
4292         (frv_expand_voidaccop_builtin): Ditto.
4293         (frv_expand_load_builtin): Ditto.
4294         (frv_expand_store_builtin): Ditto.
4295         (frv_expand_mdpackh_builtin): Ditto.
4296         (frv_expand_mclracc_builtin): Ditto.
4297         (frv_expand_mrdacc_builtin): Ditto.
4298         (frv_expand_mwtacc_builtin): Ditto.
4299         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4300         calls for above.
4301
4302 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4303
4304         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4305         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4306         cmpb instruction.
4307         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4308         point instructions.
4309         * configure: Regenerate.
4310         * config.in: Regenerate.
4311         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4312         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4313         masks to power6 and power6x and to POWERPC_MASKS.
4314         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4315         _ARCH_PWR6.
4316         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4317         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4318         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4319         Access PROTOTYPE as variable, not mask.
4320
4321 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4322
4323         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4324         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4325         * combine.c (adjust_for_new_dest): Use it.
4326         * postreload.c (reload_combine): Likewise.
4327
4328 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4329
4330         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4331         notes on an insn with multiple sets, even if single_set returns
4332         non-NULL for that insn.
4333
4334 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4335
4336         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4337         scalbn and scalbln.
4338
4339 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4340
4341         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4342         if user didn't pass it.
4343         * config/i386/darwin.h (CC1_SPEC): Likewise.
4344         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4345         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4346         -mmacosx-version-min.
4347
4348 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4349             Uros Bizjak  <ubizjak@gmail.com>
4350
4351         * optabs.h (enum optab_index): Add new OTI_scalb.
4352         (scalb_optab): Define corresponding macro.
4353         * optabs.c (init_optabs): Initialize scalb_optab.
4354         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4355         patterns.
4356         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4357         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4358         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4359         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4360         flag_unsafe_math_optimizations is set.
4361
4362         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4363         to implement scalbf, scalb and scalbl built-ins as inline x87
4364         intrinsics.
4365
4366 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4367             DJ Delorie <dj@redhat.com>
4368
4369         PR other/30824
4370         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4371         (diagnostic_report_diagnostic): ... here, and turn them into real
4372         errors. If warnings are inhibited, no need to do anything.
4373
4374 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4375
4376         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4377         better code generation.
4378
4379 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4380
4381         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4382
4383 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4384
4385         * config/alpha/alpha.c, config/alpha/alpha.md,
4386         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4387         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4388         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4389         config/arm/lib1funcs.asm: Follow spelling conventions.
4390
4391         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4392         config/fr30/fr30.md, config/i386/i386.h,
4393         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4394         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4395         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4396         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4397         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4398         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4399         config/sparc/sparc.c, config/sparc/sparc.h,
4400         config/sparc/sparc.md, config/spu/constraints.md,
4401         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4402         conventions.
4403
4404 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4405
4406         PR target/29943
4407         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4408         alias attribute.
4409
4410 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4411
4412         * doc/invoke.texi (-ftree-lrs): Remove.
4413
4414 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4415
4416         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4417         NULL.
4418
4419 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4420
4421         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4422         new CALL_EXPR_FN macro for retrieving the function
4423         declaration of the input expression.
4424
4425 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4426
4427         * c.opt (Waddress): New.
4428         * common.opt (Walways-true): Delete.
4429         (Wstring-literal-comparison): Delete.
4430         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4431         -Wstring-literal-comparison. Add -Waddress.
4432         (Waddress): New.
4433         (Walways-true): Delete.
4434         (Wstring-literal-comparison): Delete.
4435         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4436         consistently instead of -Walways-true in example.
4437         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4438         * c-typeck.c (parser_build_binary_op): Replace
4439         -Wstring-literal-comparison and -Walways-true with -Waddress.
4440         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4441         with -Waddress.
4442
4443 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4444
4445         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4446         without DECL_STRUCT_FUNCTION initialized.
4447
4448 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4449
4450         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4451         due to calls to functions taking pointers as parameters.
4452
4453 2007-02-19  Richard Henderson  <rth@redhat.com>
4454
4455         PR debug/29558
4456         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4457         in memory.
4458
4459 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4460
4461         * config/s390/s390.c (s390_call_saved_register_used,
4462         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4463         accessed to the new scheme.
4464
4465 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4466
4467         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4468         (cris_print_index, cris_print_operand, cris_print_operand_address)
4469         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4470         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4471         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4472         GET_CODE () == xxx.
4473         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4474         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4475         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4476         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4477         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4478         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4479         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4480         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4481         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4482         (uminsi3, call, call_value): Ditto.
4483         (define_split: indir_to_reg_split, unnamed): Ditto.
4484
4485 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4486
4487         PR tree-optimization/30975
4488         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4489         wrong assert.
4490
4491 2007-02-18  Eric Christopher  <echristo@gmail.com>
4492
4493         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4494         Remove use of arglist.
4495         (mips_expand_builtin): Remove use of arglist, pass in expr.
4496         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4497         (mips_expand_builtin_movtf): Ditto.
4498         (mips_expand_builtin_compare): Ditto.
4499
4500 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4501
4502         * tree-sra.c (sra_build_assignment): Replace assertion
4503         checking with a comment explaining why it can't be done.
4504
4505 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4506
4507         PR middle-end/30833
4508         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4509         during CALL_EXPR representation conversion.
4510         * tree-ssa-propagate.c (set_rhs): Likewise.
4511
4512 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4513
4514         * tree-sra.c (sra_build_assignment): Disable assertion checking
4515         for now.
4516
4517 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4518
4519         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4520         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4521         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4522         Likewise.
4523         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4524         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4525         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4526         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4527         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4528         force_gimple_operand): Likewise.
4529         * ipa-cp.c (constant_val_insert): Likewise.
4530         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4531         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4532         perfect_nestify): Likewise.
4533         * langhooks.c (lhd_omp_assignment): Likewise.
4534         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4535         lower_copyprivate_clauses, lower_send_clauses,
4536         lower_send_shared_vars, expand_parallel_call,
4537         expand_omp_for_generic, expand_omp_for_static_nochunk,
4538         expand_omp_for_static_chunk, expand_omp_sections,
4539         lower_omp_single_copy, lower_omp_for_lastprivate,
4540         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4541         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4542         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4543         Likewise.
4544
4545 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4546
4547         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4548         config/sh/sh.md: Follow spelling conventions.
4549
4550         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4551         config/frv/predicates.md: Follow spelling conventions.
4552
4553         * config/m68k/linux-unwind.h: Fix a comment typo.
4554         * target.h: Follow spelling conventions.
4555
4556 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4557
4558         PR rtl-optimization/28173
4559         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4560         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4561         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4562         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4563         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4564
4565 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4566
4567         * builtins.c (fold_builtin_load_exponent): New.
4568         (fold_builtin_2): Use it.
4569
4570 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4571
4572         PR rtl-optimization/30773
4573         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4574         if we fail to attach a REG_EQUIV note.
4575
4576 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4577             Roger Sayle  <roger@eyesopen.com>
4578
4579         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4580
4581 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4582
4583         * calls.c (initialize_argument_information): Pass original EXP
4584         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4585         code to split complex arguments here, as part of initializing the
4586         ARGS array.
4587         (expand_call): Remove code that builds a list of arguments and
4588         inserts implicit arguments into it.  Instead, just count how many
4589         implicit arguments there will be so we can determine the size of
4590         the ARGS array, and let initialize_argument_information do the work.
4591         (split_complex_values): Delete unused function.
4592
4593 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4594
4595         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4596
4597 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4598
4599         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4600         for arg pointer based indexed addressing.
4601
4602 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4603
4604         * config/ia64/ia64.h, config/ia64/ia64.md,
4605         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4606         spelling conventions.
4607
4608 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4609
4610         * config/m68k/m68k.c (split_di): New.
4611         * config/m68k/m68k-protos.h: Declare split_di.
4612         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4613           Improve predicate handling and split constant shifts.
4614
4615 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4616
4617         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4618         parameter for register bitfield operations, general predicates
4619         cleanup
4620
4621 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4622
4623         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4624         * config/m68k/linux-unwind.h: New file.
4625
4626 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4627
4628         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4629         config/i386/athlon.md, config/ia64/ia64.md,
4630         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4631         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4632         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4633         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4634         tree-vect-transform.c: Fix comment typos.
4635
4636 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4637
4638         * sched-deps.c (find_insn_list): Remove.
4639         * sched-int.h: Remove the prototype for find_insn_list.
4640
4641 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4642
4643         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4644         to linker.
4645         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4646         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4647         darwin_rs6000_override_options.
4648         (C_COMMON_OVERRIDE_OPTIONS): Expect
4649         darwin_macosx_version_min to be non-NULL always.
4650         (TARGET_C99_FUNCTIONS): Likewise.
4651         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4652         (DARWIN_MINVERSION_SPEC): New.
4653         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4654         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4655         to cc1*.
4656         (DARWIN_MINVERSION_SPEC): New.
4657         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4658         value.
4659         * config/darwin-c.c (darwin_cpp_builtins): Expect
4660         darwin_macosx_version_min to be non-NULL always.
4661
4662         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4663
4664 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4665
4666         * config/i386/i386.h (x86_use_xchgb): New.
4667         (TARGET_USE_XCHGB): New macro.
4668         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4669         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4670         Split after reload into bswaphi for shifts of 8.
4671         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4672         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4673         or when optimizing for size.
4674
4675 2007-02-16  Richard Guenther  <rguenther@suse.de>
4676             Christian Bruel  <christian.bruel@st.com>
4677
4678         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4679         DECLs but prefer SSA_NAMEs over DECLs.
4680
4681 2007-02-16  Richard Guenther  <rguenther@suse.de>
4682
4683         * tree-flow-inline.h (single_imm_use_p): Remove.
4684         (zero_imm_uses_p): Likewise.
4685         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4686         instead of single_imm_use_p.
4687         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4688         zero_imm_uses_p.
4689
4690 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4691
4692         PR other/27843
4693         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4694         nested double- and backquotes.
4695
4696 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4697
4698         PR middle-end/30391
4699         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4700         should be unreachable.
4701         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4702         For the time being redirect GIMPLE_MODIFY_STMT to the new
4703         (renamed) build_gimple_modify_stmt_stat.
4704         (build2_gimple_stat): Rename to...
4705         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4706         Always build a GIMPLE_MODIFY_STMT node.
4707         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4708         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4709         declarations.
4710
4711         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4712         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4713         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4714         expand_complex_div_wide): Likewise.
4715         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4716         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4717         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4718         * tree-ssa-loop-manip.c (create_iv): Likewise.
4719         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4720         abs_replacement): Likewise.
4721         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4722         realify_fake_stores): Likewise.
4723
4724         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4725         node rather than a GIMPLE_MODIFY_STMT node.
4726         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4727         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4728         Likewise.
4729         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4730         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4731         GIMPLE_MODIFY_STMT.
4732
4733 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4734
4735         PR middle-end/30433
4736         * fold-const.c (fold_comparison): Add back the
4737         folding of constant complex comparisions.
4738
4739 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4740
4741         PR middle-end/30729
4742         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4743         effects unknown to this function, return early.
4744
4745 2007-02-15  Ian Lance Taylor  <iant@google.com>
4746
4747         * lower-subreg.c (move_eh_region_note): New static function.
4748         (resolve_simple_move): Call it.
4749         (decompose_multiword_subregs): Track blocks for which we resolve a
4750         simple move which is also a control flow insn.  Pass them to
4751         find_many_sub_basic_blocks.
4752         (pass_lower_subreg): Add TODO_verify_flow.
4753         (pass_lower_subreg2): Likewise.
4754
4755 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4756             Brooks Moses  <brooks.moses@codesourcery.com>
4757             Lee Millward  <lee.millward@codesourcery.com>
4758
4759         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4760         (VL_EXP_CLASS_P): New.
4761         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4762         TREE_CODE_LENGTH.
4763         (TREE_OPERAND_CHECK_CODE): Likewise.
4764         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4765         (TREE_RTL_OPERAND_CHECK): Likewise.
4766         (tree_operand_check_failed): Make second parameter the whole tree
4767         instead of its code.  Fixed callers.
4768         (VL_EXP_CHECK): New.
4769         (TREE_OPERAND_LENGTH): New.
4770         (VL_EXP_OPERAND_LENGTH): New.
4771         (CALL_EXPR_FN): New.
4772         (CALL_EXPR_STATIC_CHAIN): New.
4773         (CALL_EXPR_ARGS): New.
4774         (CALL_EXPR_ARG): New.
4775         (call_expr_nargs): New.
4776         (CALL_EXPR_ARGP): New.
4777         (build_nt_call_list): Declare.
4778         (build_vl_exp_stat): Declare.
4779         (build_vl_exp): New.
4780         (build_call_list): Declare.
4781         (build_call_nary): Declare.
4782         (build_call_valist): Declare.
4783         (build_call_array): Declare.
4784         (call_expr_arg): Declare.
4785         (call_expr_argp): Declare.
4786         (call_expr_arglist): Declare.
4787         (fold_build_call_list): Declare.
4788         (fold_build_call_list_initializer): Declare.
4789         (fold_call_expr): Declare to replace fold_builtin.
4790         (fold_builtin_fputs): Update to agree with modified definition.
4791         (fold_builtin_strcpy): Likewise.
4792         (fold_builtin_strncpy): Likewise.
4793         (fold_builtin_memory_chk): Likewise.
4794         (fold_builtin_stxcpy_chk): Likewise.
4795         (fold_builtin_strncpy_chk): Likewise.
4796         (fold_builtin_next_arg): Likewise.
4797         (fold_build_call_expr): Declare.
4798         (fold_builtin_call_list): Declare.
4799         (fold_builtin_call_valist): Declare.
4800         (build_call_expr): Declare.
4801         (validate_arglist): Update to agree with modified definition.
4802         (tree_operand_length): New.
4803         (call_expr_arg_iterator): New.
4804         (init_call_expr_arg_iterator): New.
4805         (next_call_expr_arg): New.
4806         (first_call_expr_arg): New.
4807         (more_call_expr_args_p): New.
4808         (FOR_EACH_CALL_EXPR_ARG): New.
4809
4810         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4811         and tcc_gimple_stmt.
4812         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4813         than sizeof (char *).
4814         (tree_size): Likewise.  Add case for tcc_vl_exp.
4815         (tree_node_structure): Add case for tcc_vl_exp.
4816         (contains_placeholder_p): Likewise.
4817         (substitute_in_expr): Likewise.
4818         (substitute_placeholder_in_expr): Likewise.
4819         (stabilize_reference_1): Likewise.
4820         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4821         to diagnose breakage of this interface for constructing CALL_EXPRs.
4822         (build_nt): Add similar assertion here.
4823         (build_nt_call_list): New.
4824         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4825         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4826         TREE_CODE_LENGTH.
4827         (get_callee_fndecl): Use new CALL_EXPR accessors.
4828         (tree_operand_check_failed): Change parameters to pass entire node
4829         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4830         (process_call_operands): New.
4831         (build_vl_exp_stat): New.
4832         (build_call_list): New.
4833         (build_call_nary): New.
4834         (build_call_valist): New.
4835         (build_call_array): New.
4836         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4837         (call_expr_arglist): New.
4838
4839         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4840         tcc_vl_exp instead of a fixed-size tcc_expression.
4841
4842         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4843         accessors for CALL_EXPRs.
4844         (AGGR_INIT_EXPR): Likewise.
4845
4846 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4847             Brooks Moses  <brooks.moses@codesourcery.com>
4848             Lee Millward  <lee.millward@codesourcery.com>
4849
4850         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4851         (expand_builtin_nonlocal_goto): Change parameter to be entire
4852         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4853         (expand_builtin_prefetch): Likewise.
4854         (expand_builtin_classify_type): Likewise.
4855         (mathfn_built_in): Return NULL_TREE instead of 0.
4856         (expand_errno_check): Use new CALL_EXPR accessors.
4857         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4858         Return NULL_RTX instead of 0.
4859         (expand_builtin_mathfn_2): Likewise.
4860         (expand_builtin_mathfn_3): Likewise.
4861         (expand_builtin_interclass_mathfn): Likewise.
4862         (expand_builtin_sincos): Likewise.
4863         (expand_builtin_cexpi): Likewise.
4864         (expand_builtin_int_roundingfn): Likewise.
4865         (expand_builtin_int_roundingfn_2): Likewise.
4866         (expand_builtin_pow): Likewise.
4867         (expand_builtin_powi): Likewise.
4868         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4869         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4870         accessors and constructors.  Return NULL_RTX instead of 0.
4871         (expand_builtin_strstr): Likewise.
4872         (expand_builtin_strchr): Likewise.
4873         (expand_builtin_strrchr): Likewise.
4874         (expand_builtin_strpbrk): Likewise.
4875         (expand_builtin_memcpy): Likewise.
4876         (expand_builtin_mempcpy): Likewise.
4877         (expand_builtin_mempcpy_args): New.
4878         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4879         (expand_builtin_memmove_args): New.
4880         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4881         (expand_movstr): Likewise.
4882         (expand_builtin_strcpy): Likewise.
4883         (expand_builtin_strcpy_args): New.
4884         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4885         (expand_builtin_strncpy): Likewise.
4886         (expand_builtin_memset): Likewise.
4887         (expand_builtin_memset_args): New.
4888         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4889         (expand_builtin_memcmp): Likewise.
4890         (expand_builtin_strcmp): Likewise.
4891         (expand_builtin_strncmp): Likewise.
4892         (expand_builtin_strcat): Likewise.
4893         (expand_builtin_strncat): Likewise.
4894         (expand_builtin_strspn): Likewise.
4895         (expand_builtin_strcspn): Likewise.
4896         (expand_builtin_args_info): Likewise.
4897         (expand_builtin_va_start): Likewise.
4898         (gimplify_va_arg_expr): Likewise.
4899         (expand_builtin_va_end): Likewise.
4900         (expand_builtin_va_copy): Likewise.
4901         (expand_builtin_frame_address): Likewise.
4902         (expand_builtin_alloca): Likewise.
4903         (expand_builtin_bswap): Likewise.
4904         (expand_builtin_unop): Likewise.
4905         (expand_builtin_fputs): Likewise.
4906         (expand_builtin_expect): Likewise.
4907         (expand_builtin_fabs): Likewise.
4908         (expand_builtin_copysign): Likewise.
4909         (expand_builtin_printf): Likewise.
4910         (expand_builtin_fprintf): Likewise.
4911         (expand_builtin_sprintf): Likewise.
4912         (expand_builtin_init_trampoline): Likewise.
4913         (expand_builtin_signbit): Likewise.
4914         (expand_builtin_fork_or_exec): Likewise.
4915         (expand_builtin_sync_operation): Likewise.
4916         (expand_builtin_compare_and_swap): Likewise.
4917         (expand_builtin_lock_test_and_set): Likewise.
4918         (expand_builtin_lock_release): Likewise.
4919         (expand_builtin): Likewise.
4920         (builtin_mathfn_code): Likewise.
4921
4922         (fold_builtin_constant_p): Pass call arguments individually instead
4923         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4924         accessors and constructors.  Return NULL_TREE instead of 0.
4925         (fold_builtin_expect): Likewise.
4926         (fold_builtin_classify_type): Likewise.
4927         (fold_builtin_strlen): Likewise.
4928         (fold_builtin_nan): Likewise.
4929         (integer_valued_real_p): Likewise.
4930         (fold_trunc_transparent_mathfn): Likewise.
4931         (fold_fixed_mathfn): Likewise.
4932         (fold_builtin_cabs): Likewise.
4933         (fold_builtin_sqrt): Likewise.
4934         (fold_builtin_cbrt): Likewise.
4935         (fold_builtin_cos): Likewise.
4936         (fold_builtin_cosh): Likewise.
4937         (fold_builtin_tan): Likewise.
4938         (fold_builtin_sincos): Likewise.
4939         (fold_builtin_cexp): Likewise.
4940         (fold_builtin_trunc): Likewise.
4941         (fold_builtin_floor): Likewise.
4942         (fold_builtin_ceil): Likewise.
4943         (fold_builtin_round): Likewise.
4944         (fold_builtin_int_roundingfn): Likewise.
4945         (fold_builtin_bitop): Likewise.
4946         (fold_builtin_bswap): Likewise.
4947         (fold_builtin_logarithm): Likewise.
4948         (fold_builtin_hypot): Likewise.
4949         (fold_builtin_pow): Likewise.
4950         (fold_builtin_powi): Likewise.
4951         (fold_builtin_exponent): Likewise.
4952         (fold_builtin_memset): Likewise.
4953         (fold_builtin_bzero): Likewise.
4954         (fold_builtin_memory_op): Likewise.
4955         (fold_builtin_bcopy): Deleted; call site changed to invoke
4956         fold_builtin_memory_op directly.
4957         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4958         (fold_builtin_strncpy): Likewise.
4959         (fold_builtin_memcmp): Likewise.
4960         (fold_builtin_strcmp): Likewise.
4961         (fold_builtin_strncmp): Likewise.
4962         (fold_builtin_signbit): Likewise.
4963         (fold_builtin_copysign): Likewise.
4964         (fold_builtin_isascii): Likewise.
4965         (fold_builtin_toascii): Likewise.
4966         (fold_builtin_isdigit): Likewise.
4967         (fold_builtin_fabs): Likewise.
4968         (fold_builtin_abs): Likewise.
4969         (fold_builtin_fmin_fmax): Likewise.
4970         (fold_builtin_carg): Likewise.
4971         (fold_builtin_classify): Likewise.
4972         (fold_builtin_unordered_cmp): Likewise.
4973
4974         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4975         New functions split out from fold_builtin_1.
4976         (fold_builtin_n): New.
4977         (fold_builtin_varargs): New.
4978         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4979         instead.
4980         (fold_call_expr): New.
4981         (build_function_call_expr): Rewrite to use new helper function.
4982         (fold_builtin_call_list): New.
4983         (build_call_expr): New.
4984         (fold_builtin_call_valist): New.
4985         (rewrite_call_expr): New.
4986         (validate_arg): New.
4987         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4988         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4989         accessors.
4990
4991         (fold_builtin_strstr):  Pass call arguments individually instead
4992         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4993         accessors and constructors.  Return NULL_TREE instead of 0.
4994         (fold_builtin_strchr): Likewise.
4995         (fold_builtin_strrchr): Likewise.
4996         (fold_builtin_strpbrk): Likewise.
4997         (fold_builtin_strcat): Likewise.
4998         (fold_builtin_strncat): Likewise.
4999         (fold_builtin_strspn): Likewise.
5000         (fold_builtin_strcspn): Likewise.
5001         (fold_builtin_fputs): Likewise.
5002         (fold_builtin_next_arg): Likewise.
5003         (fold_builtin_sprintf): Likewise.
5004
5005         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5006         NULL_RTX instead of 0.
5007         (expand_builtin_memory_chk): Likewise.
5008         (maybe_emit_chk_warning): Likewise.
5009         (maybe_emit_sprintf_chk_warning): Likewise.
5010
5011         (fold_builtin_object_size): Pass call arguments individually instead
5012         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5013         accessors and constructors.  Return NULL_TREE instead of 0.
5014         (fold_builtin_memory_chk): Likewise.
5015         (fold_builtin_stxcpy_chk): Likewise.
5016         (fold_builtin_strncpy_chk): Likewise.
5017         (fold_builtin_strcat_chk): Likewise.
5018         (fold_builtin_strcat_chk): Likewise.
5019         (fold_builtin_strncat_chk): Likewise.
5020         (fold_builtin_sprintf_chk): Likewise.
5021         (fold_builtin_snprintf_chk): Likewise.
5022         (fold_builtin_printf): Likewise.
5023         (fold_builtin_vprintf): Likewise.
5024
5025         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5026         constructors.
5027         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5028         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5029         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5030         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5031         (fold_unary): Likewise.
5032         (fold_binary): Likewise.
5033         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5034         ternary expressions.
5035         (fold): Add logic for tcc_vl_exp.
5036         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5037         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5038         (fold_build3_stat): Add assertion to flag broken interface for
5039         constructing CALL_EXPRs.
5040         (fold_build_call_list): New.
5041         (fold_build_call_list_initializer): New.
5042         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5043         constructors.
5044         (fold_strip_sign_ops): Likewise.
5045
5046 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5047             Brooks Moses  <brooks.moses@codesourcery.com>
5048             Lee Millward  <lee.millward@codesourcery.com>
5049
5050         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5051         accessors and dump arguments explicitly.
5052
5053         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5054         TREE_CODE_LENGTH.
5055         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5056         explicitly.
5057         (print_call_name): Use new CALL_EXPR accessors.
5058
5059         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5060         CALL_EXPR arguments explicitly instead of as a list.  Use
5061         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5062
5063         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5064         (vrp_visit_stmt): Likewise.
5065
5066         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5067         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5068         TREE_CODE_LENGTH.
5069         (force_move_till_expr): Likewise.
5070
5071         * targhooks.c (default_external_stack_protect_fail): Use
5072         build_call_expr instead of build_function_call_expr.
5073         (default_hidden_stack_protect_fail): Likewise.
5074
5075         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5076         build the call.
5077
5078         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5079         and walk arguments explicitly.
5080
5081         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5082         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5083         (expand_simple_operations): Likewise.
5084         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5085
5086         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5087         of TREE_CODE_LENGTH.
5088         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5089
5090         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5091         instead of TREE_CODE_LENGTH.
5092
5093         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5094         (tree_ic_transform): Likewise.
5095         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5096         parameter instead of arglist.  Fix callers.
5097         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5098         (tree_stringops_transform): Likewise.
5099         (tree_indirect_call_to_profile): Likewise.
5100         (tree_stringops_values_to_profile): Likewise.
5101
5102         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5103         (eliminate_tail_call): Likewise.
5104
5105         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5106
5107         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5108         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5109         operands.
5110         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5111
5112         * omp-low.c (build_omp_barrier): Use build_call_expr.
5113         (lower_rec_input_clauses): Likewise.
5114         (lower_reduction_clauses): Likewise.
5115         (expand_parallel_call): Likewise.
5116         (maybe_catch_exception): Likewise.
5117         (expand_omp_for_generic): Likewise.
5118         (expand_omp_for_static_nochunk): Likewise.
5119         (expand_omp_sections): Likewise.
5120         (lower_omp_single_simple): Likewise.
5121         (lower_omp_single_copy): Likewise.
5122         (lower_omp_master): Likewise.
5123         (lower_omp_ordered): Likewise.
5124         (lower_omp_critical): Likewise.
5125
5126         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5127         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5128
5129         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5130         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5131         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5132
5133         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5134         and generalize to handle any number of operands.
5135         (chrec_contains_undetermined): Likewise.
5136         (tree_contains_chrecs): Likewise.
5137         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5138
5139         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5140
5141         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5142         fold_call_expr instead of fold_builtin.
5143         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5144         match declarations there.
5145         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5146         updates.
5147
5148         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5149         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5150
5151         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5152         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5153
5154         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5155         accessors.
5156
5157         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5158         (execute_cse_sincos): Use new CALL_EXPR accessors.
5159
5160         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5161
5162         * gimple-low.c (lower_function_body): Use build_call_expr.
5163         (lower_builtin_setjmp): Likewise.
5164
5165         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5166         (set_storage_via_libcall): Likewise.
5167         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5168         instead of TREE_CODE_LENGTH.
5169         (expand_expr_real_1): Use new CALL_EXPR accessors.
5170
5171         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5172         generalize to handle any number of operands.
5173         (TB_parent_eq): Likewise.
5174
5175         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5176         (strip_builtin_expect): Likewise.
5177
5178         * function.c (gimplify_parameters): Use build_call_expr.
5179
5180         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5181         instead of TREE_CODE_LENGTH.
5182
5183         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5184         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5185
5186         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5187         iterators.
5188
5189         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5190         (gimplify_decl_expr): Likewise.
5191         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5192         Use new CALL_EXPR iterators.
5193         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5194         (gimplify_modify_expr_to_memset): Likewise.
5195         (gimplify_variable_sized_compare): Likewise.
5196         (gimplify_omp_atomic_fetch_op): Likewise.
5197         (gimplify_omp_atomic_pipeline): Likewise.
5198         (gimplify_omp_atomic_mutex): Likewise.
5199         (gimplify_function_tree): Likewise.
5200
5201         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5202         (call_expr_flags): Likewise.
5203         (expand_call): Likewise.
5204
5205         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5206         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5207         accessors.
5208
5209         * coverage.c (create_coverage): Use build_call_expr.
5210
5211         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5212         (temp_call_expr_obstack): New.
5213         (pool_copy_list): Delete.
5214         (temp_copy_call_expr): New.
5215         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5216         CALL_EXPR accessors.  Get rid of special goo for copying argument
5217         lists and use temp_copy_call_expr instead.
5218         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5219         CALL_EXPR accessors.
5220         (create_expression_by_pieces): Likewise.  Use build_call_array
5221         to construct the result instead of fold_build3.
5222         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5223         dealing with argument lists.
5224         (init_pre): Remove references to expression_node_pool and
5225         list_node_pool.  Init temp_call_expr_obstack instead.
5226         (fini_pre): Remove references to expression_node_pool and
5227         list_node_pool.
5228
5229         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5230         and walk arguments explicitly instead of as a list.
5231
5232         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5233         (mx_register_decls): Likewise.
5234         (mudflap_register_call): Likewise.
5235         (mudflap_finish_file): Likewise.
5236
5237         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5238         (ipa_callsite_compute_param): Likewise.
5239
5240         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5241         accessors and constructor.
5242
5243         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5244         accessors and constructor.
5245         (convert_tramp_reference): Likewise.
5246         (convert_call_expr): Likewise.
5247         (finalize_nesting_tree_1): Likewise.
5248
5249         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5250         accessors.
5251
5252         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5253
5254         * tree-inline.c (initialize_inlined_parameters): Pass entire
5255         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5256         accessors.
5257         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5258         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5259
5260         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5261         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5262         (vectorizable_reduction): Likewise.
5263         (vectorizable_call): Use new CALL_EXPR iterators.
5264         (vectorizable_conversion): Use build_call_expr.
5265         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5266         (vect_gen_widened_results_half): Use build_call_expr.
5267         (vect_setup_realignment): Likewise.
5268         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5269
5270         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5271         (pass_through_call): Likewise.
5272         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5273         fold_builtin.
5274
5275         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5276         (tree_gen_pow2_profiler): Likewise.
5277         (tree_gen_one_value_profiler): Likewise.
5278         (tree_gen_ic_func_profiler): Likewise.
5279         (tree_gen_average_profiler): Likewise.
5280         (tree_gen_ior_profiler): Likewise.
5281
5282         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5283         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5284         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5285
5286         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5287         of TREE_CODE_LENGTH.
5288
5289         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5290         of TREE_CODE_LENGTH.
5291
5292         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5293         constructor.
5294         (convert_to_integer): Likewise.
5295
5296         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5297         accessors.
5298
5299 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5300             Brooks Moses  <brooks.moses@codesourcery.com>
5301             Lee Millward  <lee.millward@codesourcery.com>
5302
5303         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5304         accessors.
5305         * config/frv/frv.c (frv_expand_builtin): Likewise.
5306         * config/s390/s390.c (s390_expand_builtin): Likewise.
5307
5308         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5309         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5310
5311         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5312         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5313         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5314         (ix86_expand_store_builtin): Likewise.
5315         (ix86_expand_unop_builtin): Likewise.
5316         (ix86_expand_unop1_builtin): Likewise.
5317         (ix86_expand_sse_compare): Likewise.
5318         (ix86_expand_sse_comi): Likewise.
5319         (ix86_expand_vec_init_builtin): Likewise.
5320         (ix86_expand_vec_ext_builtin): Likewise.
5321         (ix86_expand_vec_set_builtin): Likewise.
5322         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5323
5324         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5325         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5326
5327         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5328         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5329         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5330
5331         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5332         build_call_expr.
5333         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5334         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5335         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5336         (altivec_expand_abs_builtin): Likewise.
5337         (rs6000_expand_binop_builtin): Likewise.
5338         (altivec_expand_predicate_builtin): Likewise.
5339         (altivec_expand_lv_builtin): Likewise.
5340         (spe_expand_stv_builtin): Likewise.
5341         (altivec_expand_stv_builtin): Likewise.
5342         (rs6000_expand_ternop_builtin): Likewise.
5343         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5344         (altivec_expand_st_builtin): Likewise.
5345         (altivec_expand_dst_builtin): Likewise.
5346         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5347         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5348         (altivec_expand_vec_set_builtin): Likewise.
5349         (altivec_expand_vec_ext_builtin): Likewise.
5350         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5351         (spe_expand_builtin): Likewise.
5352         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5353         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5354         (spe_expand_evsel_builtin): Likewise.
5355         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5356         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5357
5358         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5359         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5360         (arm_expand_unop_builtin): Likewise.
5361         (arm_expand_builtin): Use new CALL_EXPR accessors.
5362
5363         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5364         accessors.
5365
5366         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5367         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5368         (bfin_expand_unop_builtin): Likewise.
5369         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5370
5371 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5372             Brooks Moses  <brooks.moses@codesourcery.com>
5373             Lee Millward  <lee.millward@codesourcery.com>
5374
5375         * c-semantics.c (build_stmt): Add internal diagnostic check.
5376
5377         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5378         accessors.  Print arguments explicitly instead of as a list.
5379
5380         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5381
5382         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5383         (c_finish_omp_flish): Likewise.
5384
5385         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5386         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5387         instead of TREE_CODE_LENGTH.
5388         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5389         (c_warn_unused_result): Likewise.
5390
5391 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5392
5393         PR c/26494
5394         * doc/invoke.texi (Warning Options): Remove
5395         -Werror-implicit-function-declaration.
5396         (Wimplicit-function-declaration): Update description.
5397         * opts.c (common_handle_option): Move handling of -Werror=* to...
5398         (enable_warning_as_error): ...here.
5399         * opts.h (enable_warning_as_error): Declare.
5400         * c-decl.c (implicit_decl_warning): Unless
5401         -Wno-implicit-function-declaration is given, emit a pedwarn if
5402         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5403         * c.opt (Wimplicit-function-declaration): Replace
5404         mesg_implicit_function_declaration with
5405         warn_implicit_function_declaration.
5406         * c-opts.c (c_common_handle_option):
5407         -Werror-implicit-function-declaration is exactly equal as
5408         -Werror=implicit-function-declaration.
5409         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5410         warn_implicit_function_declaration.
5411         (c_common_post_options): -Wimplict-function-declaration is enabled
5412         by default by -std=c99, otherwise is disabled by default.
5413         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5414
5415 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5416
5417         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5418         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5419         former is ignored but not the latter.
5420
5421 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5422
5423         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5424         is made and the reference doesn't use the alias set of its type,
5425         do not create the temporary using that type.
5426
5427 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5428
5429         * jump.c: Remove prototypes for delete_computation and
5430         delete_prior_computation.
5431
5432 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5433
5434         * jump.c (get_label_after): Delete.
5435         (get_label_before, delete_computation, delete_jump,
5436         delete_prior_computation, follow_jumps): Move...
5437         * reorg.c (delete_computation, delete_prior_computation): ... here...
5438         (get_label_before, delete_jump): ... making these static ...
5439         (follow_jumps): ... and simplifying this since it only runs after
5440         reload.
5441         * rtl.h (get_label_after, get_label_before, delete_jump,
5442         follow_jumps): Delete prototypes.
5443
5444 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5445
5446         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5447
5448 2007-02-15  Nick Clifton  <nickc@redhat.com>
5449
5450         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5451         order to prevent it from being munged by the target.
5452
5453 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5454
5455         * config/i386/i386.md: Remove misleading comment.
5456
5457 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5458
5459         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5460         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5461         invalid patterns.
5462
5463 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5464
5465         * tree-sra.c (instantiate_missing_elements): Canonicalize
5466         bit-field types.
5467         (sra_build_assignment): New.
5468         (generate_copy_inout, generate_element_copy,
5469         generate_element_zero, generate_one_element_init): Use it.
5470
5471 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5472
5473         * tree-sra.c (instantiate_missing_elements): Canonicalize
5474         bit-field types.
5475         (sra_build_assignment): New.
5476         (generate_copy_inout, generate_element_copy,
5477         generate_element_zero, generate_one_element_init): Use it.
5478
5479 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5480
5481         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5482         limbo die nodes.
5483
5484 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5485
5486         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5487         types as aggregates not scalars.
5488         * function.c (assign_stack_temp_for_type): Likewise.
5489
5490 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5491             Zdenek Dvorak  <dvorakz@suse.cz>
5492
5493         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5494         name.
5495
5496 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5497
5498         * passes.c (next_pass_1): Clear the next field of the copied
5499         pass structure.
5500
5501 2007-02-14  Richard Henderson  <rth@redhat.com>
5502
5503         * tree-sra.c (early_sra): New.
5504         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5505         (tree_sra_early, pass_sra_early): New.
5506         * tree-pass.h (pass_sra_early): Declare.
5507         * passes.c (init_optimization_passes): Use it.
5508
5509 2007-02-14  Richard Guenther  <rguenther@suse.de>
5510
5511         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5512
5513 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5514
5515          PR tree-optimization/30771
5516         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5517         also phi nodes.
5518         (vect_analyze_operations): Induction phis can now be marked as
5519         used_in_loop.
5520         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5521         Update documentation accordingly.
5522
5523 2007-02-14  Nick Clifton  <nickc@redhat.com>
5524
5525         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5526         most 3 arguments are supported.
5527         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5528
5529 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5530
5531         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5532         Ensure dst->current is valid.
5533
5534 2007-02-13  Paul Brook  <paul@codesourcery.com>
5535
5536         * config.gcc: Add arm*-*-uclinux-*eabi.
5537         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5538         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5539         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5540         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5541         (LINK_SPEC): Define.
5542         (LIB_SPEC): Define.
5543         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5544         register.
5545         * config/arm/uclinux-eabi.h: New file.
5546         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5547         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5548         based targets.
5549
5550 2007-02-13  Ian Lance Taylor  <iant@google.com>
5551
5552         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5553         * flags.h (warn_strict_overflow): Declare.
5554         (enum warn_strict_overflow_code): Define.
5555         (issue_strict_overflow_warning): New static inline function.
5556         * opts.c (warn_strict_overflow): New variable.
5557         (common_handle_option): Handle OPT_Wstrict_overflow and
5558         OPT_Wstrict_overflow_.
5559         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5560         OPT_Wall.
5561         * fold-const.c: Include intl.h.
5562         (fold_deferring_overflow_warnings): New static variable.
5563         (fold_deferred_overflow_warning): New static variable.
5564         (fold_deferred_overflow_code): New static variable.
5565         (fold_defer_overflow_warnings): New function.
5566         (fold_undefer_overflow_warnings): New function.
5567         (fold_undefer_and_ignore_overflow_warnings): New function.
5568         (fold_deferring_overflow_warnings_p): New function.
5569         (fold_overflow_warning): New static function.
5570         (make_range): Add strict_overflow_p parameter.  Change all
5571         callers.
5572         (extract_muldiv, extract_muldiv_1): Likewise.
5573         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5574         tree_expr_nonnegative_p.
5575         (fold_negate_expr): Call fold_overflow_warning.
5576         (fold_range_test): Likewise.
5577         (fold_comparison): Likewise.
5578         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5579         instead of tree_expr_nonnegative_p.
5580         (tree_expr_nonnegative_warnv_p): Rename from
5581         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5582         (tree_expr_nonnegative_p): New function.
5583         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5584         strict_overflow_p parameter.
5585         (tree_expr_nonzero_p): New function.
5586         * passes.c (verify_interpass_invariants): New static function.
5587         (execute_one_pass): Call it.
5588         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5589         warnings.
5590         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5591         (estimate_numbers_of_iterations): Likewise.
5592         (scev_probably_wraps_p): Likewise.
5593         * tree-ssa-ccp.c: Include "toplev.h".
5594         (evaluate_stmt): Defer fold overflow warnings until we know we are
5595         going to optimize.
5596         (struct fold_stmt_r_data): Add stmt field.
5597         (fold_stmt_r): Defer fold overflow warnings until we know we
5598         optimized.
5599         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5600         (fold_stmt_inplace): Likewise.
5601         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5602         (cleanup_control_expr_graph): Defer fold overflow warnings until
5603         we know we are going to optimize.
5604         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5605         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5606         Likewise.
5607         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5608         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5609         * tree-ssa-loop-manip.c (create_iv): Likewise.
5610         * c-typeck.c (build_conditional_expr): Likewise.
5611         (build_binary_op): Likewise.
5612         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5613         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5614         (extract_range_from_unary_expr): Likewise.
5615         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5616         assuming that signed overflow does not occur.
5617         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5618         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5619         (fold_defer_overflow_warnings): Declare.
5620         (fold_undefer_overflow_warnings): Declare.
5621         (fold_undefer_and_ignore_overflow_warnings): Declare.
5622         (fold_deferring_overflow_warnings_p): Declare.
5623         (tree_expr_nonzero_warnv_p): Declare.
5624         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5625         of warning options.
5626         (Warning Options): Document -Wstrict-overflow.
5627         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5628         (tree-ssa-ccp.o): Likewise.
5629         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5630         (fold-const.o): Depend on intl.h.
5631
5632 2007-02-13  Ian Lance Taylor  <iant@google.com>
5633
5634         PR middle-end/30751
5635         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5636         addresses.
5637
5638 2007-02-13  Stuart Hastings  <stuart@apple.com>
5639
5640         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5641
5642 2007-02-13  Richard Henderson  <rth@redhat.com>
5643
5644         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5645         handled_component_p before looking for the indirect_ref.
5646
5647 2007-02-13  Richard Henderson  <rth@redhat.com>
5648
5649         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5650         remove flags clobber.
5651         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5652         (bswaphi_lowpart): New.
5653         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5654         remove TARGET_BSWAP test.  Delete expander of the same name.
5655
5656         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5657         (expand_unop): Use them.
5658
5659 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5660
5661         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5662         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5663         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5664         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5665         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5666         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5667         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5668         assembler dialect choice from asm templates.
5669
5670 2007-02-12  Richard Henderson  <rth@redhat.com>
5671
5672         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5673         (fixuns_trunc<SSEMODEF>si2): Use it.
5674         * config/i386/sse.md (vec_setv4sf_0): Export.
5675         * config/i386/i386.c (ix86_build_const_vector): Export.
5676         (ix86_split_convert_uns_si_sse): Rename from
5677         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5678         * config/i386/i386-protos.h: Update.
5679
5680 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5681
5682         PR c/29521
5683         * c-typeck.c (c_finish_return): Improve warning message.
5684
5685 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5686
5687         * alias.c (find_symbolic_term): Delete unused function.
5688
5689 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5690
5691         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5692         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5693         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5694
5695 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5696
5697         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5698         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5699         the function, temporarily point the debug interface to the null one.
5700
5701 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5702
5703         * dwarf2out.c (round_up_to_align): New static function.
5704         (field_byte_offset): Use it to round the offset.
5705
5706 2007-02-12  Richard Henderson  <rth@redhat.com>
5707
5708         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5709         (inswl_const): Export.
5710
5711 2007-02-12  Richard Henderson  <rth@redhat.com>
5712
5713         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5714         result mode of the libcall, convert back to outmode.
5715
5716 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5717
5718         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5719         (bswapdi2): New define_expand to implement 32-bit implementation.
5720
5721 2007-02-12  Nick Clifton  <nickc@redhat.com>
5722
5723         * doc/invoke.texi (Overall Options): Document --help=.
5724         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5725         (cc1_options): Pass --help= on to cc1.
5726         (display_help): Add description of --help=.
5727         (process_command): Add code to handle --help=.  Allow translated
5728         --help and --target-help switches to be passed on to compiler
5729         sub-process.
5730         (main): Remove unused if statement.
5731         * opts.c (columns): Remove.
5732         (LEFT_COLUMN): Define.
5733         (wrap_help): Add columns argument.
5734         (print_filtered_help): Change parameters to be an include bitmask,
5735         an exclude bitmask, an any bitmask and the column width.  Move the
5736         code to display the params list here.  Add code to display the
5737         status of options rather than their descriptions if the quiet flag
5738         is not active.
5739         (print_specific_help): Change parameters to be an include bitmask,
5740         an exclude bitmask and an any bitmask.  Move code to look up the
5741         column width here.  Decide upon the title for an options listing.
5742         (common_handle_options): Add code to handle --help=.  Adapt code
5743         for --help and --target-help to use the revised form of the
5744         print_specific_help function.
5745         (print_help): Delete.
5746         (print_param_help): Delete.
5747         (print_switch): Delete.
5748         * opts.h (cl_lang_count): Add prototype.
5749         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5750         CL_MAX_OPTION_CLASS): New defines.
5751         * optc-gen.awk: Add construction of cl_lang_count.
5752         * c.opt: Add Warning attribute to warning options and Optimization
5753         attribute to optimization options.
5754         * common.opt: Likewise.
5755         Add --help=.
5756         Add -fhelp and -ftarget-help as aliases for the transformed --help
5757         and --target-help options.
5758         * opt-functions.awk: Add code to handle Warning and Optimization
5759         attributes.
5760
5761 2007-02-12  Richard Henderson  <rth@redhat.com>
5762
5763         * config/alpha/constraints.md: New file.
5764         * config/alpha/alpha.c: Include tm-constrs.h.
5765         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5766         alpha_extra_constraint): Remove.
5767         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5768         * config/alpha/alpha-protos.h: Update.
5769         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5770         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5771         (EXTRA_CONSTRAINT): Remove.
5772         * config/alpha/alpha.md: Include constraints.md.
5773         (adddi splitter): Use satisfies_constraint_*.
5774         * config/alpha/predicates.md (add_operand): Likewise.
5775         (sext_add_operand, addition_operation): Likewise.
5776
5777 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5778
5779         PR tree-optimization/29145
5780         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5781         in our handling of restrict qualified pointers.
5782
5783 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5784
5785         PR middle-end/7651
5786         * doc/invoke.texi (Wunused-value): Update description.
5787         (Wextra): Delete item.
5788         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5789         value of Wunused-value.
5790         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5791         (c_finish_stmt_expr): Don't check extra_warnings.
5792         (emit_side_effect_warnings): The caller is responsible to check
5793         warn_unused_value.
5794
5795 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5796             Matt Thomas  <matt@3am-software.com>
5797
5798         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5799
5800 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5801
5802         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5803         comparisons of POPCOUNT against zero.
5804         (simplify_const_relational_operation): Likewise.
5805
5806 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5807
5808         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5809
5810 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5811
5812         * dwarf2out.c (root_type): Delete unused function.
5813
5814 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5815
5816         * genattrtab.c (contained_in_p): Delete unused function.
5817         (write_expr_attr_cache): Likewise.
5818
5819 2007-02-11  Jan Hubicka  <jh@suse.cz>
5820
5821         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5822         previous patch.
5823
5824 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5825
5826         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5827         to add the REG_EQ* note.
5828         * see.c (see_merge_one_use_extension): Likewise.
5829         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5830         turn REG_EQUAL notes into REG_EQUIV notes if the target
5831         register may have more than one set.
5832         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5833         * gcse.c (try_replace_reg): Likewise.
5834         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5835         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5836         more than one REG_EQUIV note.
5837         * reload1.c (gen_reload): Use set_unique_reg_note.
5838
5839 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5840
5841         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5842         (ix86_builtin_conversion): New function.
5843
5844 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5845
5846         PR target/29487
5847         * tree.h (DECL_REPLACEABLE_P): New macro.
5848         * except.c (set_nothrow_function_flags): Likewise.
5849
5850 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5851             Ira Rosen  <irar@il.ibm.com>
5852             Dorit Nuzman  <dorit@il.ibm.com>
5853
5854         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5855         * targhooks.c (default_builtin_vectorized_conversion): New.
5856         * targhooks.h (default_builtin_vectorized_function): New declaration.
5857         * target.h (struct vectorize): Add builtin_conversion field.
5858         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5859         stmt_vec_info_type value.
5860         (vectorizable_conversion): New declaration.
5861         * tree-vect-analyze.c (vect_analyze_operations): Add
5862         vectorizable_conversion call.
5863         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5864         * tree-vect-transform.c (vectorizable_conversion): New function.
5865         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5866         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5867         mode.
5868         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5869         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5870         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5871         or ALTIVEC_BUILTIN_VCFSX.
5872
5873 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5874
5875         PR target/30634
5876         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5877         CONST_DOUBLE and operand 0 is a hard register.
5878         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5879         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5880         is a hard floating-point register.
5881
5882 2007-02-10  Richard Henderson  <rth@redhat.com>
5883             Jakub Jelinek  <jakub@redhat.com>
5884             Alexandre Oliva  <aoliva@redhat.com>
5885
5886         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5887         * builtin-types.def (BT_WORD): Make unsigned.
5888         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5889         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5890         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5891         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5892         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5893         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5894         emulated tls.
5895         * expr.c (emutls_var_address): New.
5896         (expand_expr_real_1): Expand emulated tls.
5897         (expand_expr_addr_expr_1): Likewise.
5898         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5899         * output.h (emutls_finish): Declare.
5900         * toplev.c (compile_file): Call it.
5901         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5902         address before wrapping in CONST.
5903         * varasm.c (emutls_htab, emutls_object_type): New.
5904         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5905         (get_emutls_object_name, get_emutls_object_type): New.
5906         (get_emutls_init_templ_addr, emutls_decl): New.
5907         (emutls_common_1, emutls_finish): New.
5908         (assemble_variable): When emulating tls, swap decls; generate
5909         constructor for the emutls objects.
5910         (do_assemble_alias): When emulating tls, swap decl and target name.
5911         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5912         for emulated tls.
5913         * varpool.c (decide_is_variable_needed): Look at force_output.
5914         Recurse for emulated tls.
5915         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5916         with decide_is_variable_needed.
5917         * emutls.c: New file.
5918         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5919         tls_object for real tls.
5920
5921 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5922
5923         PR rtl-optimization/29599
5924         * reload1.c (eliminate_regs_in_insn): Take the destination
5925         mode into account when computing the offset.
5926
5927 2007-02-09  Stuart Hastings  <stuart@apple.com>
5928             Richard Henderson  <rth@redhat.com>
5929
5930         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5931         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5932         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5933         fixuns_truncdfhi2): New.
5934         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5935         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5936         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5937         (floatunssidf2): Allow nonimmediate source.
5938         * gcc/config/i386/sse.md (movdi_to_sse): New.
5939         (vec_concatv2di): Drop '*'.
5940         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5941         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5942         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5943         New.
5944         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5945         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5946         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5947         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5948         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5949         ix86_build_const_vector.
5950         (x86_emit_floatuns): Rewrite.
5951
5952 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5953
5954         * genautomata.c (longest_path_length): Delete unused function.
5955         (struct state): Delete unused longest_path_length.
5956         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5957         (get_free_state): Delete unused.
5958
5959 2007-02-09  Jan Hubicka  <jh@suse.cz>
5960
5961         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5962         * doc/invoke.texi (inline-unit-growth): Update default value.
5963
5964         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5965         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5966         (rebuild_cgraph_edges): Likewise.
5967         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5968         (dump_cgraph_node): Dump frequencies.
5969         (cgraph_clone_edge): Add frequency scales.
5970         (cgraph_clone_node): Add freuqnecy.
5971         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5972         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5973         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5974         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5975         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5976         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5977         (save_inline_function_body): Likewise.
5978         * ipa-inline.c: inluce rtl.h
5979         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5980         (cgraph_edge_badness): Use frequencies.
5981         (cgraph_decide_recursive_inlining): Update clonning.
5982         (cgraph_decide_inlining_of_small_function): Dump frequency.
5983         * predict.c (estimate_bb_frequencies): Export.
5984         * predict.h (estimate_bb_frequencies): Declare.
5985         * tree-inline.c (copy_bb): Watch overflows.
5986         (expand_call_inline): Update call of cgraph_create_edge.
5987         (optimize_inline_calls): Use TODO flags to update frequnecies.
5988         * passes.h: Include predict.h
5989         (init_optimization_passes): Move profile ahead.
5990         (execute_function_todo): Handle TODO_rebuild_frequencies.
5991
5992 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5993
5994         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5995         the insbl or inswl pattern into a register.
5996
5997 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5998
5999         * config/ia64/ia64.md (bswapdi2): New define_insn.
6000
6001 2007-02-09  Richard Henderson  <rth@redhat.com>
6002
6003         * config/i386/constraints.md (Ym): New constraint.
6004         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6005         (movdi_1_rex64): Split sse and xmm general register moves from
6006         memory move alternatives.  Use conditional register constraints.
6007         (movsf_1, movdf_integer): Likewise.
6008         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6009         (movdf_integer_rex64): New.
6010         (pushsf_rex64): Fix output constraints.
6011         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6012         (sse2_stored): Likewise.
6013         (sse2_storeq_rex64): New.
6014         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6015         amd and not generic.
6016         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6017         for optimize_size.  Remove SF/DFmode hack.
6018
6019 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6020
6021         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6022         (bit_SSE4a): New.
6023
6024 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6025             Richard Sandiford  <richard@codesourcery.com>
6026
6027         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6028         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6029         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6030         m68k/t-mlib to tmake_file.
6031         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6032         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6033         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6034         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6035         variable is not empty, add t-$m68k_arch_family to tmake_file.
6036         Add t-mlibs to tmake_file.
6037         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6038         * config/m68k/t-cf: New file.
6039         * config/m68k/t-m68k: Likewise.
6040         * config/m68k/t-mlibs: Likewise.
6041         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6042         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6043         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6044         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6045         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6046         Delete.
6047         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6048         (INSTALL_LIBGCC): Delete.
6049         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6050         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6051         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6052         (M68K_MLIB_CPU): Define.
6053         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6054         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6055         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6056
6057 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6058             Richard Guenther  <rguenther@suse.de>
6059
6060         PR middle-end/23361
6061         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6062         against INT_MIN/INT_MAX.
6063         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6064         file if a loop is removed.
6065
6066 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6067
6068         * calls.c (store_one_arg): Pass correct alignment to
6069         emit_push_insn for non-BLKmode values.
6070         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6071         unaligned stack slot via a suitably aligned slot.
6072
6073 2007-02-08  DJ Delorie  <dj@redhat.com>
6074
6075         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6076         warnings.
6077         (legal_subregs): Use unsigned char, make const.
6078         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6079
6080 2007-02-08  Paul Brook  <paul@codesourcery.com>
6081
6082         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6083         special interworking needed.
6084
6085 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6086
6087         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6088         conditional to __SSE2__.
6089         (Entries below should have been added to first ChangeLog
6090         entry for amdfam10 dated 2007-02-05)
6091         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6092         defined.
6093         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6094         defined.
6095         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6096         defined.
6097
6098 2007-02-08  DJ Delorie  <dj@redhat.com>
6099
6100         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6101         * config/m32c/m32c.c (legal_subregs): New.
6102         (m32c_illegal_subreg_p): New.
6103         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6104         unsupported subregs of hard regs.
6105
6106 2007-02-08  Jan Hubicka  <jh@suse.cz>
6107
6108         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6109         the same one; always update histograms.
6110
6111 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6112
6113         * passes.c (init_optimization_passes): Tidy comment.
6114
6115 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6116
6117         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6118         strip zero_extend, bswap and rotates from POCOUNT's argument.
6119         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6120         zero_extend and rotates from PARITY's argument.
6121         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6122         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6123         of an integer constant at compile-time.
6124
6125 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6126
6127         PR 30562
6128         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6129         Update all users.
6130         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6131         users.
6132         (init_alias_info):
6133         * tree-ssa-live.c (remove_unused_locals): Do not remove
6134         TREE_ADDRESSABLE variables.
6135         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6136         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6137         FOR_CLOBBER.  Update all users.
6138         If VAR has an associated alias set, add a virtual operand for
6139         it if no alias is found to conflict with the memory reference.
6140
6141 2007-02-07  Jan Hubicka  <jh@suse.cz>
6142             Robert Kidd <rkidd@crhc.uiuc.edu>
6143
6144         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6145
6146 2007-02-07  Ian Lance Taylor  <iant@google.com>
6147
6148         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6149
6150 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6151
6152         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6153         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6154         tablejumpdi, movsi_to_cr_one): Remove constraints from
6155         define_expand's match_operands.
6156
6157 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6158
6159         * global.c (compute_regsets): Move declatation of "i" inside of
6160         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6161
6162 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6163
6164         PR c++/30703
6165         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6166         of INDIRECT_REF <RESULT_DECL>.
6167
6168         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6169
6170 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6171             Kaz Kojima  <kkojima@gcc.gnu.org>
6172
6173         PR target/29746
6174         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6175         properly.
6176         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6177
6178 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6179
6180         * doc/loop.texi: Document possibility not to perform disambiguation
6181         of loops with multiple latches.
6182         * cfgloopmanip.c (alp_enum_p): Removed.
6183         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6184         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6185         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6186         the new forwarder block.
6187         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6188         Handle the case latch is NULL.
6189         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6190         when marking loop exits.
6191         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6192         be modified.
6193         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6194         disambiguate_loops_with_multiple_latches.
6195         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6196         before fix_loop_structure.
6197         * cfgloop.c: Include pointer-set.h and output.h.
6198         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6199         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6200         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6201         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6202         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6203         disambiguate_multiple_latches, get_loop_body_with_size,
6204         disambiguate_loops_with_multiple_latches): New functions.
6205         (flow_loop_dump): Dump multiple latch edges.
6206         (flow_loop_nodes_find): Handle loops with multiple latches.
6207         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6208         (glb_enum_p): Modified.
6209         (get_loop_body): Use get_loop_body_with_size.
6210         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6211         (AVOID_CFG_MODIFICATIONS): New constant.
6212         (disambiguate_loops_with_multiple_latches, add_loop,
6213         get_loop_body_with_size): Declare.
6214         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6215
6216 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6217
6218         PR inline-asm/28686
6219         * global.c (compute_regsets): New function.
6220         (global_alloc): Refactored ELIMINABLE_REGSET
6221         and NO_GLOBAL_ALLOC_REGS computation out.
6222         (rest_of_handle_global_alloc): Call compute_regsets()
6223         for non-optimizing case.
6224
6225 2007-02-06  Richard Henderson  <rth@redhat.com>
6226
6227         * config/i386/constraints.md (Y2): Rename from Y.
6228         (Yi): New constraint.
6229         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6230         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6231         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6232         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6233         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6234         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6235         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6236         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6237         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6238         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6239         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6240         vec_extractv2si_1): Change Y constraints to Y2.
6241         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6242         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6243         Change Y constraints to Y2.
6244         (sse2_loadld): Change Y constraints to x.
6245
6246 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6247
6248         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6249         (parity<mode>2): New define_expand using rs6000_emit_parity.
6250         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6251         rs6000_emit_parity): New functions.
6252         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6253         rs6000_emit_parity): Prototype here.
6254
6255 2007-02-06  Ian Lance Taylor  <iant@google.com>
6256
6257         * lower-subreg.c (simple_move_operand): Reject CONST.
6258         (resolve_clobber): Call validate_change rather than directly
6259         assigning to XEXP (pat, 0).
6260
6261 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6262
6263         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6264         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6265         (tree-cfg.o): Remove hashtab.h dependency.
6266
6267         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6268         (struct ivopts_data): Change niters to pointer_map_t.
6269         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6270         (niter_for_exit): Create pointer_map on demand.  Change for
6271         pointer_map API.
6272         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6273         (free_loop_data): Destroy data->niters if created and reset field.
6274         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6275         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6276
6277         * tree-ssa-reassoc.c: Include pointer-set.h.
6278         (bb_rank): Change to long *.
6279         (operand_rank): Change to pointer_map_t.
6280         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6281         (insert_operand_rank): Accept long.
6282         (operand_entry_hash, operand_entry_eq): Remove.
6283         (get_rank): Return long.  Adjust for changes above.
6284         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6285         and operand_rank.
6286         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6287
6288         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6289         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6290         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6291         is not NULL.
6292         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6293         directly since it cannot be NULL.
6294         (get_vi_for_tree): Rewrite for pointer_map API.
6295         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6296         (init_alias_vars): Create vi_for_tree as pointer_map.
6297         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6298
6299         * tree-cfg.c: Don't include hashtab.h.
6300         (edge_to_cases): Declare as pointer_map.
6301         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6302         Delete.
6303         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6304         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6305         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6306         destroying it.
6307         (record_switch_edge): Delete.
6308         (get_cases_for_edge): Adjust for pointer_map API, inline
6309         record_switch_edge (rewritten for new API), remove goto.
6310
6311 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6312
6313         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6314         * tree-nested.c: Include pointer-set.h.
6315         (var_map_elt, var_map_eq, var_map_hash): Delete.
6316         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6317         to pointer_map_t's.
6318         (nesting_info_bitmap_obstack): New.
6319         (lookup_field_for_decl): Adjust for pointer_map API.
6320         (lookup_tramp_for_decl): Adjust for pointer_map API.
6321         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6322         (get_local_debug_decl): Adjust for pointer_map API.
6323         (convert_nl_goto_reference): Adjust for pointer_map API.
6324         (convert_nl_goto_receiver): Adjust for pointer_map API.
6325         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6326         the new obstack.  Create field_map and var_map as pointer_maps.
6327         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6328         (root): Delete.
6329         (lower_nested_functions): Move root here, no need to NULL it.
6330         Initialize and release the obstack.
6331
6332 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6333
6334         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6335         Remove prototypes and make them non-static.
6336         (struct tree_int_map): Remove.
6337         * tree.h (struct tree_int_map): Move here, turning TO into an
6338         unsigned int.
6339         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6340
6341         * tree.h (TREE_COMPLEXITY): Remove.
6342         (struct tree_exp): Remove complexity field.
6343         * tree.c (build1_stat): Don't set it.
6344
6345 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6346             Victor Kaplansky  <victork@il.ibm.com>
6347
6348         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6349         (vect_is_simple_reduction): Support reduction with induction as
6350         one of the operands.
6351         (vect_is_simple_iv_evolution): Fix formatting.
6352         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6353         formatting.  Don't mark induction phis for vectorization.
6354         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6355         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6356         (vect_get_vec_def_for_operand): Support induction.
6357         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6358         induction case.
6359         (vectorizable_reduction): Support reduction with induction as one of
6360         the operands.
6361         (vectorizable_type_demotion): Use def-type of stmt argument rather
6362         than dummy def-type.
6363
6364         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6365         flag_tree_scev_cprop.
6366         * common.opt (tree-scev-cprop): New flag.
6367
6368         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6369         call to vect_get_new_vect_var.
6370
6371 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6372
6373         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6374         vectype is not NULL.
6375         (vect_pattern_recog_1): Likewise.
6376
6377 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6378
6379         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6380         (fold_negate_expr): Likewise.
6381
6382 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6383
6384         PR debug/30189
6385         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6386         even if cv-qualification is the same.
6387
6388 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6389
6390         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6391         __enable_execute_stack on completion.
6392
6393 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6394
6395         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6396         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6397         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6398         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6399         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6400         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6401         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6402         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6403
6404 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6405
6406         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6407         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6408         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6409         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6410         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6411         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6412         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6413         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6414         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6415         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6416         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6417         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6418         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6419         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6420         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6421         sqrtextenddfxf2_i387): Added amdfam10_decode.
6422
6423         * config/i386/athlon.md (athlon_idirect_amdfam10,
6424         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6425         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6426         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6427         athlon_ivector_store_amdfam10): New define_insn_reservation.
6428         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6429         amdfam10.
6430
6431 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6432
6433         * config/i386/athlon.md (athlon_call_amdfam10,
6434         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6435         define_insn_reservation.
6436         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6437         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6438         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6439
6440 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6441
6442         * config/i386/athlon.md (athlon_sseld_amdfam10,
6443         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6444         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6445
6446 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6447
6448         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6449         define_insn_reservation.
6450         * config/i386/i386.md (sseins): Added sseins to define_attr type
6451         and define_attr unit.
6452         * config/i386/sse.md: Set type attribute to sseins for insertq
6453         and insertqi.
6454
6455 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6456
6457         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6458         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6459         ssecomi_load_amdfam10, ssecomi_amdfam10,
6460         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6461         define_insn_reservation.
6462         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6463
6464 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6465
6466         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6467         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6468         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6469         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6470         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6471         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6472         define_insn_reservation.
6473
6474         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6475         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6476         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6477         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6478         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6479
6480 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6481
6482         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6483         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6484         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6485         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6486         athlon_ssemul_load_k8): Added amdfam10.
6487
6488 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6489
6490         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6491         (x86_sse_unaligned_move_optimal): New variable.
6492
6493         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6494         m_AMDFAM10.
6495         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6496         for unaligned vector SSE double/single precision loads for AMDFAM10.
6497
6498 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6499
6500         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6501         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6502         Define TARGET_CPU_DEFAULT_amdfam10.
6503         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6504         (processor_type): Add PROCESSOR_AMDFAM10.
6505
6506         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6507         processor_type in config/i386/i386.h.
6508         Enable imul peepholes for TARGET_AMDFAM10.
6509
6510         * config.gcc: Add support for --with-cpu option for amdfam10.
6511
6512         * config/i386/i386.c (amdfam10_cost): New variable.
6513         (m_AMDFAM10): New macro.
6514         (m_ATHLON_K8_AMDFAM10): New macro.
6515         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6516         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6517         x86_promote_QImode, x86_integer_DFmode_moves,
6518         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6519         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6520         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6521         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6522         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6523         Enable/disable for amdfam10.
6524         (override_options): Add amdfam10_cost to processor_target_table.
6525         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6526         processor_alias_table.
6527         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6528         (ix86_adjust_cost): Add code for amdfam10.
6529
6530 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6531
6532         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6533         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6534         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6535         * config/i386/i386.h: Add builtin definition for SSE4A.
6536         * config/i386/i386.md: Add support for ABM instructions
6537         (popcnt and lzcnt).
6538         * config/i386/sse.md: Add support for SSE4A instructions
6539         (movntss, movntsd, extrq, insertq).
6540         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6541         Add -march=amdfam10 flag.
6542         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6543         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6544         and amdfam10.
6545         * doc/extend.texi: Add documentation for SSE4A builtins.
6546
6547 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6548
6549         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6550
6551 2007-02-05  Richard Guenther  <rguenther@suse.de>
6552
6553         * tree-vectorizer.h (vectorizable_function): Add argument type
6554         argument, change return type.
6555         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6556         * tree-vect-transform.c (vectorizable_function): Handle extra
6557         argument, return vectorized function decl.
6558         (build_vectorized_function_call): Remove.
6559         (vectorizable_call): Handle calls with result and argument types
6560         differing.  Handle loop vectorization factor correctly.
6561         * targhooks.c (default_builtin_vectorized_function): Adjust for
6562         extra argument.
6563         * targhooks.h (default_builtin_vectorized_function): Likewise.
6564         * target.h (builtin_vectorized_function): Add argument type
6565         argument.
6566         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6567         extra argument, allow vectorizing of lrintf.
6568         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6569         documentation of target hook.
6570
6571 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6572
6573         PR target/30665
6574         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6575         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6576         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6577
6578 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6579
6580         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6581         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6582         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6583         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6584         before canonicalizing sincos to cexpi.
6585         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6586
6587 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6588
6589         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6590         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6591         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6592
6593 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6594
6595         * mips-tfile.c (initialize_init_file): Correct endianness test.
6596
6597 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6598
6599         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6600         the 'y' constraint.
6601
6602 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6603
6604         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6605         saves in a PARALLEL before the register assignments.
6606
6607 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6608
6609         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6610         DWARF_FRAME_RETURN_COLUMN to be a general register.
6611         * dwarf2out.c (init_return_column_size): New function, split from...
6612         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6613         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6614         to be nongeneral registers.
6615         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6616         integer registers.
6617         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6618         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6619
6620 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6621
6622         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6623
6624 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6625
6626         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6627         (remove_path): Use can_remove_branch_p and remove_branch instead
6628         of loop_delete_branch_edge.
6629         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6630         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6631         Update profile using scale_dominated_blocks_in_loop.
6632         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6633         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6634         (can_remove_branch_p, remove_branch): Declare.
6635         * tree-cfg.c (tree_can_remove_branch_p): New function.
6636         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6637         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6638         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6639
6640 2007-02-05  Jan Hubicka  <jh@suse.cz>
6641
6642         PR middle-end/30696
6643         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6644         nodes in cgraph, don't remove offline copy of the function.
6645
6646 2007-02-04  Jan Hubicka  <jh@suse.cz>
6647
6648         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6649         vectors might cause maybe_lookup_element_for_expr to be called
6650         on non-sra-candidate.
6651
6652 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6653
6654         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6655         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6656         spelling conventions.
6657
6658 2007-02-04  Richard Guenther  <rguenther@suse.de>
6659
6660         PR middle-end/30636
6661         * fold-const.c (try_move_mult_to_index): Make sure to not
6662         overflow one dimension of a multi-dimensional array access.
6663
6664 2007-02-04  Jan Hubicka  <jh@suse.cz>
6665
6666         * passes.c (init_optimization_passes): Reindent.
6667
6668 2007-02-04  Jan Hubicka  <jh@suse.cz>
6669             Eric Botcazou  <ebotcazou@adacore.com>
6670
6671         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6672         (execute_fixup_cfg): Break out the abnormal goto code.
6673         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6674         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6675         (optimize_inline_calls): Call make_nonlocal_label_edges.
6676
6677 2007-02-04  Jan Hubicka  <jh@suse.cz>
6678
6679         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6680         true when something was changed.
6681         (rename_ssa_copies): When something was changed, do
6682         TODO_remove_unused_locals.
6683         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6684         add TODO_remove_unused_locals when instruction was removed.
6685
6686 2007-02-04  Jan Hubicka  <jh@suse.cz>
6687
6688         * ipa-inline.c (try_inline): Improve debug output; work on already
6689         inline edges too.
6690         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6691         call try_inline for already inlined edges too when flattening;
6692         inline also functions that make callee growth but overall unit size
6693         reduce.
6694
6695 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6696
6697         * config/m32c/bitops.md, config/m32c/jump.md,
6698         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6699         config/m32r/m32r.h, config/m32r/m32r.md,
6700         config/m32r/predicates.md, config/m68hc11/larith.asm,
6701         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6702         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6703         config/mips/mips-protos.h, config/mips/mips.c,
6704         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6705         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6706         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6707         spelling conventions.
6708
6709         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6710         Follow spelling conventions.
6711
6712 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6713
6714         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6715         warn about C++0x compatibility.
6716
6717 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6718
6719         * config/h8300/h8300.c, config/h8300/h8300.h,
6720         config/h8300/h8300.md: Follow spelling conventions.
6721
6722 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6723
6724         PR middle-end/30667
6725         * combine.c (try_combine): Do not substitute source operand
6726         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6727
6728 2007-02-03  Jan Hubicka  <jh@suse.cz>
6729
6730         PR gcov-profile/30650
6731         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6732         do not divide by zero for never executed counters.
6733         (tree_find_values_to_profile): Fix counters.
6734         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6735
6736 2007-02-03  Ian Lance Taylor  <iant@google.com>
6737
6738         * lower-subreg.c (simple_move_operand): New static function,
6739         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6740         operands.
6741         (simple_move): Call simple_move_operand.
6742         (find_decomposable_subregs): Add special handling of MEMs.
6743         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6744         meaning of return value.  If we see a hard register, test whether
6745         it can store a word_mode value.  Change all callers.
6746
6747 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6748
6749         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6750         ftrapv insns and expanders.
6751         (subdi3): Change define_expand operand 1 to arith11_operand, and
6752         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6753         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6754         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6755         respectively.
6756
6757         PR middle-end/30174
6758         * varasm.c (notice_global_symbol): Treat global objects as weak when
6759         flag_shlib is true.
6760
6761 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6762
6763         * emit-rtl.c (dconstpi): Delete.
6764         (dconstsqrt2): New.
6765         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6766         * real.h (dconstpi): Delete.
6767         (dconstsqrt2): New.
6768         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6769         (fold_builtin_hypot): Likewise.
6770
6771 2007-02-03  Tom Tromey  <tromey@redhat.com>
6772
6773         PR driver/30246
6774         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6775         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6776
6777 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6778
6779         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6780         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6781         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6782         config/rs6000/cell.md, config/rs6000/darwin.h,
6783         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6784         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6785         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6786         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6787         typos.  Follow spelling conventions.
6788         * doc/invoke.texi: Follow spelling conventions.
6789
6790 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6791
6792         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6793         canonicalization transformations that attempt to simplify integer
6794         constant comparisons to become comparisons against zero.
6795
6796 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6797
6798         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6799         fabs(x)*sqrt(2).
6800         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6801         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6802
6803 2007-02-02  Mike Stump  <mrs@apple.com>
6804
6805         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6806         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6807         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6808         generate a branch island.
6809
6810 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6811
6812         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6813         (xtensa_legitimate_address_p): New.
6814         (xtensa_legitimize_address): New.
6815         (xtensa_output_addr_const_extra): New.
6816         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6817         (BASE_REG_P): New.
6818         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6819         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6820         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6821         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6822         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6823         (xtensa_legitimize_address): New.
6824         (xtensa_output_addr_const_extra): New.
6825
6826 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6827
6828         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6829
6830 2007-02-02  Ian Lance Taylor  <iant@google.com>
6831
6832         * expmed.c (expand_divmod): Add comment.
6833
6834 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6835
6836         * emit-rtl.c (renumber_insns): Remove.
6837         * flags.h: Remove the extern for flag_renumber_insns.
6838         * rtl.h: Remove the prototype for renumber_insns.
6839         * toplev.c (flag_renumber_insns): Remove.
6840
6841 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6842
6843         Revert for x86 darwin:
6844         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6845
6846         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6847         code before the following patch under TARGET_MACHO.
6848         (ix86_function_value_regno_p): Likewise.
6849
6850 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6851
6852         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6853         COMPLEX_EXPR.
6854
6855 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6856
6857         PR target/29682
6858         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6859         general or fp registers.  Add comments.
6860         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6861
6862 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6863
6864         * pointer-set.c (insert_aux): Only return insertion slot.
6865         (pointer_set_insert): Adjust.
6866         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6867         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6868         pointer_map_traverse): New.
6869         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6870         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6871         pointer_map_contains, pointer_map_traverse): Declare.
6872
6873 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6874
6875         PR middle-end/30473
6876         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6877         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6878
6879 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6880
6881         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6882
6883         (struct _dep): New type.
6884         (dep_t): New typedef.
6885         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6886         (DEP_STATUS): New access macro.  The macro with the same name was
6887         renamed to DEP_LINK_STATUS.
6888         (dep_init): Declare function
6889
6890         (struct _dep_link): New type.
6891         (dep_link_t): New typedef.
6892         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6893         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6894         (DEP_LINK_STATUS): New macro.
6895         (debug_dep_links): New debug function.
6896
6897         (struct _deps_list): New type.
6898         (deps_list_t): New typedef.
6899         (DEPS_LIST_FIRST): New access macro.
6900         (FOR_EACH_DEP_LINK): New cycle macro.
6901         (create_deps_list, free_deps_list, delete_deps_list): Declare
6902         functions.
6903         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6904         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6905         (copy_deps_list_change_con): Ditto.
6906
6907         (move_dep_link): Declare function.
6908
6909         (struct _dep_node): New type.
6910         (dep_node_t): New typedef.
6911         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6912
6913         (struct haifa_insn_data.back_deps): New field to hold backward
6914         dependencies of the insn.
6915         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6916         to deps_list_t.
6917         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6918         Change its type to deps_list_t.
6919         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6920         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6921         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6922
6923         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6924
6925         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6926
6927         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6928         all callers.
6929         (dep_cost): Declare.
6930
6931         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6932         (ds_to_dk, dk_to_ds): New functions.
6933
6934         (init_dep_1): New static function.
6935         (init_dep): New function.
6936         (copy_dep): New static function.
6937
6938         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6939         functions.
6940         (detach_dep_link): New static function.
6941         (move_dep_link): New function.
6942
6943         (dep_links_consistent_p, dump_dep_links): New static functions.
6944         (debug_dep_links): New debugging function.
6945
6946         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6947
6948         (alloc_deps_list, init_deps_list): New static functions.
6949         (create_deps_list): New function.
6950         (clear_deps_list): New static function.
6951         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6952         (deps_list_consistent_p, dump_deps_list): New static functions.
6953         (debug_deps_list): New function.
6954         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6955         functions.
6956         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6957
6958         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6959         use new scheduler dependencies lists.
6960         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6961         (sched_analyze): Ditto.  Initialize dependencies lists.
6962         (add_forw_dep, compute_forward_dependences): Update to use new
6963         scheduler dependencies lists.
6964
6965         (init_dependency_caches): Init deps_obstack.
6966         (free_dependency_caches): Free deps_obstack.
6967
6968         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6969         new scheduler dependencies lists.
6970         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6971         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6972
6973         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6974         Update to use new scheduler dependencies lists.
6975         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6976         (debug_dependencies): Ditto.
6977         (schedule_region): Update comments.
6978
6979         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6980         scheduler dependencies lists.
6981         (schedule_ebb): Update comments.
6982
6983         * rtl.def (DEPS_LIST): Remove.
6984
6985         * lists.c (unused_deps_list): Remove.
6986         (free_list): Update assertions.
6987
6988         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6989         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6990
6991         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6992         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6993
6994         * haifa-sched.c (comments): Update.
6995         (insn_cost1): Remove.  Inline the code into insn_cost ().
6996         (insn_cost): Update to use new scheduler dependencies lists.  Move
6997         processing of the dependency cost to dep_cost ().
6998         (dep_cost): New function.  Use it instead of insn_cost () when
6999         evaluating cost of the dependency.  Use compatible interface to
7000         interact with the target.
7001         (priority): Update to use new scheduler dependencies lists.
7002         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7003         with greater number of insns that depend on the insn.
7004         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7005         code to free backward dependencies lists.  Inline and optimize code
7006         from resolve_dep () - see PR28071.
7007         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7008         lists.  Update call to targetm.sched.is_costly_dependence hook.
7009
7010         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7011         scheduler dependencies lists.
7012
7013         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7014         (init_h_i_d): Initialize dependencies lists.
7015
7016         (process_insn_depend_be_in_spec): Rename to
7017         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7018         dependencies lists.
7019         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7020         Update to use new scheduler dependencies lists.
7021         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7022
7023         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7024         new scheduler dependencies lists.
7025         (build_intra_loop_deps): Ditto.
7026
7027         * target.h (struct _dep): Declare to use in
7028         gcc_target.sched.is_costly_dependence.
7029         (struct gcc_target.sched.adjust_cost): Fix typo.
7030         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7031         single dep_t parameter instead of an equivalent triad.
7032         (struct gcc_target.sched.adjust_cost_2): Remove.
7033
7034         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7035
7036         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7037
7038         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7039         documentation.
7040         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7041
7042         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7043         (REG_DEP_TRUE): Document.
7044
7045         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7046         Change signature to correspond to the targetm.sched.adjust_cost hook.
7047         Update use in TARGET_SCHED_ADJUST_COST_2.
7048         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7049         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7050         new scheduler dependencies lists.
7051         (ia64_gen_check): Ditto.
7052
7053         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7054         dependencies lists.
7055
7056         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7057         signature to correspond to the targetm.sched.is_costly_dependence hook.
7058         (is_costly_group): Update to use new scheduler dependencies lists.
7059
7060         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7061         instead of INSN_COST () macro.
7062
7063 2007-02-01  Ian Lance Taylor  <iant@google.com>
7064
7065         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7066
7067 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7068
7069         * pa.md (tp_load): Correct mfctl instruction syntax.
7070
7071 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7072
7073         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7074         altivec_padding_size calculation on AIX.  Improve comment, add
7075         assert to verify that it's right.
7076
7077         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7078         64-bit.
7079
7080 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7081
7082         PR inline-asm/28686
7083         * global.c (global_alloc): Add mising initialization of
7084         ELIMINABLE_REGSET.
7085
7086 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7087
7088         * alias.c (init_alias_analysis): Correct whitespace.
7089         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7090         partition_hot_cold_basic_blocks): Likewise.
7091         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7092         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7093         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7094         fold_builtin_snprintf_chk, fold_builtin_printf,
7095         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7096         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7097         * cfgcleanup.c (cleanup_cfg): Likewise.
7098         * cfgexpand.c (tree_expand_cfg): Likewise.
7099         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7100         * function.c (get_next_funcdef_no): Likewise.
7101         * gengtype.c (main): Likewise.
7102         * genmodes.c (main): Likewise.
7103         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7104         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7105         * ifcvt.c (noce_emit_move_insn): Likewise.
7106         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7107         Likewise.
7108         * stor-layout.c (get_best_mode): Likewise.
7109         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7110         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7111         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7112         perform_var_substitution, solve_graph): Likewise.
7113         * tree-vrp.c (vrp_finalize): Likewise.
7114
7115 2007-02-01  Ian Lance Taylor  <iant@google.com>
7116
7117         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7118         high part of a paradoxical subreg, return a constant zero.
7119
7120 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7121
7122         * toplev.c (lang_dependent_init): Call init_set_costs.
7123         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7124
7125 2007-02-01  Richard Guenther  <rguenther@suse.de>
7126
7127         PR middle-end/30656
7128         * fold-const.c (fold_negate_expr): Allow negating a
7129         constant if overflow does not change.
7130
7131 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7132
7133         * doc/c-tree.texi (Expression trees): Improve markup.
7134         * doc/tm.texi (Register Classes, Addressing Modes)
7135         (Floating Point): Fix spacing after abbreviations.  Fix some
7136         typos.
7137
7138 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7139
7140         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7141         * doc/contrib.texi: Likewise.
7142         * doc/install.texi: Likewise.
7143
7144 2007-01-31  Richard Henderson  <rth@redhat.com>
7145             Ian Lance Taylor  <iant@google.com>
7146
7147         * lower-subreg.c: New file.
7148         * rtl.def (CONCATN): Define.
7149         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7150         pass_lower_subreg2.
7151         * emit-rtl.c (update_reg_offset): New static function, broken out
7152         of gen_rtx_REG_offset.
7153         (gen_rtx_REG_offset): Call update_reg_offset.
7154         (gen_reg_rtx_offset): New function.
7155         * regclass.c: Revert patch of 2006-03-05, restoring
7156         reg_scan_update.
7157         (clear_reg_info_regno): New function.
7158         * dwarf2out.c (concatn_loc_descriptor): New static function.
7159         (loc_descriptor): Handle CONCATN.
7160         * common.opt (fsplit_wide_types): New option.
7161         * opts.c (decode_options): Set flag_split_wide_types when
7162         optimizing.
7163         * timevar.def (TV_LOWER_SUBREG): Define.
7164         * rtl.h (gen_reg_rtx_offset): Declare.
7165         (reg_scan_update): Declare.
7166         * regs.h (clear_reg_info_regno): Declare.
7167         * tree-pass.h (pass_lower_subreg): Declare.
7168         (pass_lower_subreg2): Declare.
7169         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7170         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7171         -fsplit-wide-types.
7172         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7173         * Makefile.in (OBJS-common): Add lower-subreg.o.
7174         (lower-subreg.o): New target.
7175
7176 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7177
7178         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7179
7180 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7181
7182         PR target/19087
7183         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7184
7185 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7186
7187         PR middle-end/29335
7188         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7189
7190 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7191
7192         * cfgloop.h: Include vec-prim.h.
7193         (enum li_flags): Remove LI_ONLY_OLD.
7194         (loop_iterator): Changed.
7195         (fel_next, fel_init): Iterate over loop tree.
7196         (FOR_EACH_LOOP_BREAK): New macro.
7197         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7198         FOR_EACH_LOOP.
7199         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7200         * modulo-sched.c (sms_schedule): Ditto.
7201         * tree-vectorizer.c (vectorize_loops): Ditto.
7202         * doc/loop.texi: Update information on loop numbering and behavior of
7203         FOR_EACH_LOOP wrto new loops.
7204         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7205         add_to_evolution_1): Test nestedness of loops instead of comparing
7206         their numbers.
7207         * tree-chrec.c (chrec_fold_plus_poly_poly,
7208         chrec_fold_multiply_poly_poly, chrec_evaluate,
7209         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7210         reset_evolution_in_loop): Ditto.
7211         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7212
7213 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7214
7215         * c-common.c (warn_about_parentheses): Separate warning about
7216         un-parenthized sequence of comparison operators from the one
7217         which is supposed to warn about x <= y <= z.
7218
7219 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7220
7221         * optabs.h (enum optab_index): Add new OTI_isinf.
7222         (isinf_optab): Define corresponding macro.
7223         * optabs.c (init_optabs): Initialize isinf_optab.
7224         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7225         patterns.
7226         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7227         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7228         using isinf_optab.
7229         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7230         expand_builtin_interclass_mathfn.
7231         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7232         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7233         (fxam<mode>2_i387): New insn pattern.
7234         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7235         built-in functions as x87 inline asm.
7236
7237 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7238
7239         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7240
7241 2007-01-30  Eric Christopher  <echristo@apple.com>
7242
7243         * config.gcc: Add geode.
7244
7245 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7246
7247         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7248         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7249         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7250         value-prof.c: Fix comment typos.
7251
7252 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7253
7254         PR c++/24745
7255         * doc/invoke.texi (Wpointer-arith): Document warning.
7256
7257 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7258
7259         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7260         the list of discrepancies from the draft TR.
7261
7262 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7263
7264         PR c++/30601
7265         * doc/invoke.texi (-Wreturn-type): Update description to
7266         match new behavior.
7267
7268 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7269
7270         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7271
7272 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7273
7274         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7275         to handle optabs that operate on floating point input argument and
7276         output to integer output.
7277         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7278         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7279         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7280         expand_builtin_interclass_mathfn ().
7281         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7282         (ilogbsi2): Remove.
7283         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7284         ilogbl built-in functions as x87 intrinsics.
7285
7286 2007-01-30  Richard Guenther  <rguenther@suse.de>
7287
7288         PR middle-end/27657
7289         * dwarf2out.c (reference_to_unused): Query varpool if the
7290         variable was output.
7291
7292 2007-01-30  Richard Guenther  <rguenther@suse.de>
7293
7294         PR middle-end/30313
7295         * passes.c (execute_one_pass): Reset in_gimple_form to not
7296         confuse non-unit-at-a-time mode.
7297
7298 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7299             Richard Guenther  <rguenther@suse.de>
7300
7301         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7302         avoid undefined behaviour on overflow.  Use force_fit_type_double
7303         to construct the constant with the specified TREE_OVERFLOW.
7304
7305 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7306
7307         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7308         * config/dfp-bit.h: Ditto.
7309
7310 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7311
7312         * c-decl.c (pop_scope): Replace warnings with call to
7313         warn_for_unused_label.
7314         * c-common.h (warn_for_unused_label): Declare.
7315         * c-common.c (warn_for_unused_label): Define.
7316
7317 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7318
7319         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7320         function.
7321
7322 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7323
7324         * Makefile.in (USER_H): Remove decfloat.h.
7325         * ginclude/decfloat.h: Delete, moving contents to ...
7326         * ginclude/float.h: Add support for decimal floating point,
7327         guarded by __STDC_WANT_DEC_FP__.
7328
7329 2007-01-29  Mike Stump  <mrs@apple.com>
7330
7331         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7332         Analysis and Representation to resolve case insensitive conflict.
7333         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7334
7335 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7336
7337         * tree.h (struct tree_memory_tag): Add aliases member.
7338         (MTAG_ALIASES): New macro.
7339         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7340         (add_may_alias): Remove pointer-set. Update for may_aliases being
7341         a bitmap.
7342         (mark_aliases_call_clobbered): Update for may_aliases being a
7343         bitmap.
7344         (compute_tag_properties): Ditto.
7345         (create_partition_for): Ditto.
7346         (compute_memory_partitions): Ditto.
7347         (dump_may_aliases_for): Ditto.
7348         (is_aliased_with): Ditto.
7349         (add_may_alias_for_new_tag): Ditto.
7350         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7351         (compute_is_aliased): New function.
7352         (compute_may_aliases): Call compute_is_aliased).
7353         (init_alias_info): Initialize alias_bitmap_obstack.
7354         (union_alias_set_into): New function.
7355         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7356         (have_common_aliases_p): Rewrite to take two bitmaps and use
7357         intersection.
7358         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7359         Update for bitmaps.
7360         (finalize_ref_all_pointers): Update for add_may_alias changes.
7361         (new_type_alias): Ditto.
7362         * tree-flow-inline.h (may_aliases): Return a bitmap.
7363         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7364         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7365         may_aliases being a bitmap.
7366         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7367         may_aliases now returns a bitmap.
7368         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7369         being a bitmap.
7370         * tree-ssa-operands.c (add_virtual_operand): Update for
7371         may_aliases being a bitmap.
7372
7373 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7374
7375         PR tree-optimization/30630
7376         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7377         variable as changed.
7378
7379 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7380
7381         PR c++/28266
7382         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7383         expanded only once even if an error occurs.
7384
7385 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7386
7387         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7388         (__gcov_average_profiler): Likewise.
7389         (__gcov_ior_profiler): Likewise.
7390         (__gcov_merge_ior): Likewise.
7391
7392 2007-01-28  Jan Hubicka  <jh@suse.cz>
7393
7394         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7395         * value-prof.c (stringop_block_profile): Likewise.
7396
7397 2007-01-28  Jan Hubicka  <jh@suse.cz>
7398
7399         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7400         variant handling histograms; add wrapper.
7401         (clear_storage_via_libcall): Export.
7402         (emit_block_move_hints): Break out from ...; add histograms.
7403         (emit_block_move): ... this one.
7404         (clear_storage_hints): Break out from ...; add histograms.
7405         (clear_storage): ... this one.
7406         (set_storage_via_memset): Handle histogram.
7407         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7408         (clear_storage_hints, clear_storage_via_libcall): Declare.
7409         (set_storage_via_setmem): Update prototype.
7410         * doc/md.texi (movmem, setmem): Document new arguments.
7411
7412         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7413         new histograms.
7414         (stringop_block_profile): New global function.
7415         (tree_stringops_values_to_profile): Profile block size and alignment.
7416         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7417         HIST_TYPE_IOR.
7418         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7419         (stringop_block_profile): Declare.
7420         * builtins.c: Include value-prof.h.
7421         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7422         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7423         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7424         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7425         * profile.c (instrument_values): Add new counters.
7426         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7427         calls.
7428         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7429         (tree_init_edge_profiler): Build new profilers.
7430         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7431         (pass_tree_profile): Add dump.
7432         (tree_profile_hooks): Update.
7433         * Makefile.in (LIBGCOV): Add new constants.
7434         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7435         __gcov_ior_profiler): New.
7436         * i386.md (movmem/setmem expanders): Add new optional arguments.
7437
7438 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7439
7440         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7441
7442 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7443
7444         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7445         (tree_unswitch_single_loop): Pass eni_size_weights to
7446         tree_num_loop_insns.
7447         * tree-ssa-loop-manip.c: Include tree-inline.h.
7448         (can_unroll_loop_p): Pass eni_size_weights to
7449         tree_num_loop_insns.
7450         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7451         Pass eni_size_weights to estimate_num_insns.
7452         * tree.h (init_inline_once): Export.
7453         * toplev.c (backend_init): Call init_inline_once.
7454         * cgraphunit.c (cgraph_process_new_functions,
7455         cgraph_analyze_function): Pass eni_inlining_weights to
7456         estimate_num_insns.
7457         * ipa-inline.c (compute_inline_parameters): Ditto.
7458         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7459         to estimate_num_insns.
7460         (try_unroll_loop_completely): Pass eni_size_weights to
7461         tree_num_loop_insns.
7462         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7463         ot estimate_num_insns.
7464         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7465         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7466         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7467         eni_time_weights): New variables.
7468         (init_inline_once): Initialize them.
7469         (struct eni_data): Mew.
7470         (estimate_num_insns_1, estimate_num_insns): Use weights.
7471         * tree-inline.h (struct eni_weights_d): New.
7472         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7473         (estimate_num_insns): Declaration changed.
7474         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7475         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7476         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7477
7478 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7479
7480         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7481         relations in the conflict function is valid.
7482
7483 2007-01-27  Ian Lance Taylor  <iant@google.com>
7484
7485         * common.opt: Add fstrict-overflow.
7486         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7487         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7488         (TYPE_OVERFLOW_UNDEFINED): Define.
7489         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7490         Replace all uses.
7491         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7492         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7493         (fold_negate_expr): Likewise.
7494         (make_range): Likewise.
7495         (extract_muldiv_1): Likewise.
7496         (maybe_canonicalize_comparison): Likewise.
7497         (fold_comparison): Likewise.
7498         (fold_binary): Likewise.
7499         (tree_expr_nonnegative_p): Likewise.
7500         (tree_expr_nonzero_p): Likewise.
7501         * tree-vrp.c (compare_values): Likewise.
7502         (extract_range_from_binary_expr): Likewise.
7503         (extract_range_from_unary_expr): Likewise.
7504         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7505         Likewise.
7506         (nowrap_type_p): Likewise.
7507         * tree-scalar-evolution.c (simple_iv): Likewise.
7508         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7509         (build_range_check): Likewise.
7510         (extract_muldiv_1): Likewise.
7511         (fold_comparison): Likewise.
7512         * tree-vrp.c (vrp_int_const_binop): Likewise.
7513         (extract_range_from_unary_expr): Likewise.
7514         * convert.c (convert_to_integer): Likewise.
7515         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7516         (fold_comparison): Likewise.
7517         (fold_binary): Likewise.
7518         * optabs.c (optab_for_tree_code): Likewise.
7519         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7520         * simplify-rtx.c (simplify_const_relational_operation): Check
7521         flag_strict_overflow and flag_trapv.
7522         (simplify_const_relational_operation): Likewise.
7523         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7524         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7525         -fstrict-overflow.
7526
7527 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7528
7529         * tree.c (tree_fold_gcd): Delete.
7530         * tree.h (tree_fold_gcd): Remove prototype.
7531         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7532         test whether one constant integer is a multiple of another.  Instead
7533         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7534         * fold-const.c (multiple_of_p):  We've determined both TOP and
7535         BOTTOM are integer constants so we can call int_const_binop directly
7536         instead of the more generic const_binop.
7537
7538 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7539
7540         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7541         1*X check that the constant hasn't overflowed, to preserve the
7542         TREE_OVERFLOW bit.
7543         (round_up): Provide an efficient implementation when rouding-up an
7544         INTEGER_CST to a power-of-two.
7545
7546 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7547
7548         * doc/sourcebuild.texi: Add comma for clarity.
7549         * doc/extend.texi: Fix some typos.
7550         * doc/passes.texi: Likewise.
7551         * doc/cppinternals.texi: Likewise.
7552         * doc/c-tree.texi: Likewise.
7553         * doc/tree-ssa.texi: Likewise.
7554         * doc/install.texi: Likewise.
7555
7556 2007-01-27  Jan Hubicka  <jh@suse.cz>
7557
7558         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7559         (pass_sra): Do not require alias information.
7560         * passes.c (init_optimization_passes): Add SRA
7561
7562 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7563
7564         * tracer.c (rest_of_handle_tracer): We already cleaned
7565         up the CFG in tracer() so don't do it here again.
7566         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7567         cleanup_cfg here, either.  And don't call renumber_insns.
7568
7569         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7570         and BB_HEAD are in the insn stream here.  Instead make sure
7571         that BB_INSN is valid on all insns.  Also, do check here that
7572         there are no pending branch predictions...
7573         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7574         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7575         here.
7576
7577 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7578
7579         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7580         function to simplify/factorize operand order canonicalization.
7581         (ix86_fixup_binary_operands): Reorganize using the above function.
7582         (ix86_binary_operator_ok): Likewise.
7583
7584 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7585
7586         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7587         file scope from optimize_attrs.
7588         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7589         up search.
7590         (optimize_attrs): Clear insn_code_values after freeing it.
7591
7592 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7593
7594         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7595         a parts.base assignment.
7596
7597 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7598
7599         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7600         (compute_subscript_distance, initialize_data_dependence_relation,
7601         finalize_ddr_dependent, analyze_ziv_subscript,
7602         analyze_siv_subscript_cst_affine,
7603         compute_overlap_steps_for_affine_univar,
7604         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7605         analyze_siv_subscript, analyze_miv_subscript,
7606         analyze_overlapping_iterations, subscript_dependence_tester_1,
7607         compute_self_dependence, free_dependence_relation): Work
7608         with affine_fn instead of chrecs.
7609         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7610         common_affine_function, affine_function_base,
7611         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7612         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7613         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7614         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7615         (all_chrecs_equal_p): Removed.
7616         * tree-data-ref.h (affine_fn, conflict_function): New types.
7617         (struct subscript): Change type of conflicting_iterations_in_a
7618         and conflicting_iterations_in_b.
7619
7620 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7621
7622         PR other/30182
7623         * config/pa/pa.h (TARGET_HPUX_11): New.
7624         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7625         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7626
7627 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7628         Richard Guenther  <rguenther@suse.de>
7629
7630         * tree-ssa-structalias.c (solve_graph): Handle case
7631         we merged the variable to another.
7632
7633 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7634
7635         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7636         functions.
7637
7638         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7639         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7640
7641 2007-01-25  DJ Delorie  <dj@redhat.com>
7642
7643         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7644         allow changes to modes which don't fit in those registers.
7645
7646         * reload1.c (choose_reload_regs): Check for invalid subregs before
7647         computing their locations, not after.
7648
7649 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7650
7651         PR 25127
7652         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7653         save Altivec registers in an eh_return function.
7654         (compute_vrsave_mask): Likewise.
7655         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7656         for saving Altivec registers.
7657         (rs6000_emit_prologue): Don't allocate stack twice in
7658         eh_return function.  Correct expected value of altivec_save_offset
7659         when using save_world.  Describe save of R0 to stack when using
7660         save_world.  Describe stack pointer adjustment when using
7661         save_world.  Remove duplicated eh_return parameter register saving.
7662         Update sp_offset variable after save_world.
7663         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7664         darwin-world.asm.
7665         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7666         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7667         implies Altivec.
7668
7669 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7670
7671         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7672
7673 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7674
7675         PR other/30182
7676         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7677         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7678
7679 2007-01-25  Richard Guenther  <rguenther@suse.de>
7680
7681         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7682         * common.opt (-Wcoverage-mismatch): New warning option.
7683         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7684         if -Wcoverage-mismatch is given.
7685
7686 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7687
7688         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7689         (ipcp_driver): Change to static definition.
7690         Add dumping of the ifunctions.
7691         (constant_val_insert): Remove unused parameter. Support for SSA.
7692         (ipcp_propagate_const): Support for SSA.
7693         (ipcp_profile_bb_print): Print only analyzed nodes.
7694         (ipcp_replace_map_create): Remove support for Fortran constant
7695         for now.
7696         * ipa-prop.c (ipa_method_modify_stmt,
7697         ipa_callsite_compute_param): Support for SSA.
7698         * ipa-prop.h (ipcp_driver): Remove declaration.
7699         (IS_VALID_TREE_MAP_INDEX): Add define.
7700
7701 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7702
7703         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7704
7705 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7706
7707         PR middle-end/30447
7708         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7709         constant argument to cabs and do it without checking for
7710         -funsafe-math-optimizations.
7711
7712 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7713
7714         * c-common.h (RID_FIRST_CXX0X): New.
7715         (RID_LAST_CXX0X): New.
7716         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7717         by -Wall.
7718         * c.opt (Wc++0x-compat): New.
7719         * doc/invoke.texi (-Wc++0x-compat): Document.
7720
7721 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7722
7723         * builtins.c (fold_builtin_carg): New.
7724         (fold_builtin_1): Use it.
7725
7726 2007-01-24  Jan Hubicka  <jh@suse.cz>
7727
7728         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7729
7730         * ipa-inline.c (initial_insns, max_insns): Delete.
7731         (compute_max_insns): New function.
7732         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7733         of insns as base for code growth.
7734         (cgraph_decide_inlining): Make initial_insns local; do not compute
7735         max_insns.
7736         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7737         * doc/invoke.texi (inline-unit-growth): Update docs.
7738
7739 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7740
7741         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7742         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7743         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7744         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7745         for CPUs that have PTA_CX16 set.
7746
7747         PR middle-end/27416
7748         * gimplify.c (omp_check_private): New function.
7749         (gimplify_scan_omp_clauses): Use it for
7750         firstprivate/lastprivate/reduction.
7751
7752         PR middle-end/30494
7753         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7754         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7755
7756         PR middle-end/30421
7757         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7758         If lower_lastprivate_clauses emits some statements, append them
7759         to dlist rather than body_p and to body_p append an initializer.
7760         (lower_omp_for): Adjust caller.
7761
7762 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7763
7764         * target.h (globalize_decl_name): New.
7765         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7766         * output.h (default_globalize_decl_name): New.
7767         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7768         globalize_label.
7769         (globalize_decl): Ditto.
7770         (default_globalize_decl_name): New.
7771         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7772         (ia64_handle_version_id_attribute): New.
7773         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7774         (ia64_asm_output_external): Use globalize_decl_name instead
7775         of globalize_label.
7776         * doc/extend.texi (version_id): New pragma.
7777         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7778
7779 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7780
7781         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7782         _uleb128_t and _Unwind_SWord with _sleb128_t.
7783         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7784         uw_frame_state_for, uw_update_context_1): Likewise.
7785         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7786         * unwind-pe.h (read_uleb128, read_sleb128,
7787         read_encoded_value_with_base): Likewise.
7788         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7789
7790 2007-01-24  Richard Guenther  <rguenther@suse.de>
7791
7792         * builtins.c (expand_builtin_cexpi): Get the fndecl
7793         for cexp in the correct way.
7794
7795 2007-01-24  Jan Hubicka  <jh@suse.cz>
7796
7797         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7798
7799 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7800
7801         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7802         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7803         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7804         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7805         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7806         __SIZEOF_PTRDIFF_T__.
7807         * doc/cpp.texi: Documentation for the new builtin macros added.
7808
7809 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7810
7811         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7812         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7813         instead of operands[2] to avoid access past the end of array.
7814
7815 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7816
7817         * reload1.c (emit_reload_insns): Pass the reload register
7818         for a non-spill output reload through forget_old_reloads_1.
7819
7820 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7821
7822         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7823         _SOFT_DOUBLE if doubles use software floating-point.
7824         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7825         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7826         * config/rs6000/darwin-ldouble.c: Also compile functions for
7827         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7828         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7829         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7830         commented-out long double override.
7831         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7832         * config/rs6000/eabispe.h: Likewise.
7833         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7834         long double for non-SPE.
7835         (rs6000_handle_option): Likewise.
7836         (invalid_e500_subreg): Disallow more subregs involding DImode,
7837         DFmode, TImode or TFmode.
7838         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7839         E500 double.
7840         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7841         double.
7842         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7843         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7844         double.
7845         (rs6000_legitimate_address): Also check for TFmode for E500
7846         double.
7847         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7848         (spe_build_register_parallel): Handle TFmode and TCmode.
7849         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7850         double.
7851         (function_arg): Handle TFmode and TCmode for E500 double.
7852         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7853         in general.
7854         (print_operand): Handle TFmode and TImode for %y.
7855         (rs6000_generate_compare): Handle TFmode comparisons for E500
7856         double.
7857         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7858         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7859         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7860         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7861         TFmode for E500 double.
7862         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7863         (floatsidf2): Enable for E500 double.
7864         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7865         (extenddftf2): Change to extenddftf2_fprs.
7866         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7867         depending on TARGET_E500_DOUBLE.
7868         (extendsftf2): Enable for E500 double.
7869         (trunctfdf2): Enable for E500 double.
7870         (trunctfsf2): Change to trunctfsf2_fprs.
7871         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7872         depending on TARGET_E500_DOUBLE.
7873         (floatsitf2): Enable for E500 double.
7874         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7875         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7876         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7877         (negtf2): Change to negtf2_internal.
7878         (negtf2): New expander.
7879         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7880         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7881         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7882         (movdi_internal32): Use rs6000_nonimmediate_operand.
7883         (unnamed splitter): Likewise.
7884         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7885         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7886         (SPE64TF, DITI): New mode macros.
7887         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7888         modes.
7889         (frob_tf_ti): New.
7890         (frob_<mode>_di_2): New.
7891         (frob_tf_di_8_2): New.
7892         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7893         (frob_ti_tf): New.
7894         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7895         more modes.
7896         (frob_ti_<mode>_8_2): New.
7897         (frob_ti_tf_2): New.
7898         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7899         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7900         TFmode.
7901         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7902         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7903         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7904         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7905         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7906         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7907         tsttflt_gp): New.
7908
7909 2007-01-23  Ian Lance Taylor  <iant@google.com>
7910
7911         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7912         insn-*.o first.
7913         (OBJS-archive): Reformat, alphabetize.
7914         (OBJS): Change out_object_file to OBJS-md.
7915
7916 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7917
7918         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7919         JUMP_P and CALL_P predicates where applicable.
7920         * config/i386/i386.c: Ditto.
7921         * config/i386/i386.md: Ditto.
7922         * config/i386/mmx.md: Ditto.
7923         * config/i386/predicates.md: Ditto.
7924
7925 2007-01-22  Andreas Schwab  <schwab@suse.de>
7926
7927         * config/m68k/m68k.h: Fix comment.
7928
7929 2007-01-22  Jan Hubicka  <jh@suse.cz>
7930
7931         * passes.c (init_optimization_passes): Do not rerun
7932         pass_early_warn_uninitialized.
7933
7934 2007-01-22  Richard Guenther  <rguenther@suse.de>
7935
7936         PR tree-optimization/30038
7937         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7938         function.
7939         (execute_cse_sincos_1): Likewise.
7940         (execute_cse_sincos): Likewise.
7941         (gate_cse_sincos): Likewise.
7942         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7943         the cexpi() canonicalization of sincos().
7944         * tree-pass.h (pass_cse_sincos): Declare.
7945         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7946
7947 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7948
7949         PR rtl-optimization/29329
7950         * combine.c (replaced_rhs_insn): Rename to i2mod.
7951         (replaced_rhs_value): Rename to i2mod_new_rhs.
7952         (i2mod_old_rhs): New global variable.
7953         (combine_instructions): Adjust for above change.  Save a copy of
7954         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7955         note are substituted in the second instruction.
7956         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7957         ditch the note if it pertains to the second eliminated register
7958         and this register is mentioned in i2mod_old_rhs.
7959
7960         Revert:
7961         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7962
7963         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7964         the insn to which the note was originally attached.
7965
7966 2007-01-21  Jan Hubicka  <jh@suse.cz>
7967
7968         * ipa-inline.c (inlining_mode): Comment, move up.
7969         (cgraph_decide_inlining_incrementally): Do not perform inlining
7970         itself; fix handling of flattening of self recursive functions.
7971         (cgraph_find_cycles): Remove.
7972         (cgraph_flatten_node): Remove.
7973         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7974         (try_inline): New function.
7975         (cgraph_early_inlining): Update call of
7976         cgraph_decide_inlining_incrementally.  Apply inlining here.
7977         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7978
7979 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7980
7981         PR bootstrap/30511
7982         * tree-vrp.c (check_array_bounds): do not warn
7983         about ADDR_EXPR's of ARRAY_REF's which are immediately
7984         used in binary expressions.
7985
7986 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7987
7988         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7989         read_write_dep and macros for its access.
7990         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7991         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7992         argument, call vect_check_interleaving for every independent pair of
7993         data-refs. Mark loads that access the same memory location as a store
7994         in the loop.
7995         (vect_check_dependences): Remove.
7996         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7997         call, fix the call to vect_analyze_data_ref_dependence.
7998         (vect_analyze_data_ref_access): For statements that access the same
7999         data-ref, check that they are not stores; for loads, check that there
8000         is no store that access the same location.
8001
8002 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8003             Joseph Myers  <joseph@codesourcery.com>
8004
8005         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8006         (-fdump-rtl-stack): Likewise.
8007         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8008         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8009         (-mpt-fixed): Use @minus{} for minus sign.
8010         (Using Precompiled Headers): Fix under/overfull hbox.
8011
8012 2007-01-20  Jan Hubicka  <jh@suse.cz>
8013
8014         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8015         place within annotation.
8016
8017 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8018
8019         * pa.c (output_move_double): Change array size of xoperands to 4.
8020
8021 2007-01-20  Jan Hubicka  <jh@suse.cz>
8022
8023         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8024         as temporary.
8025
8026 2007-01-19  Ian Lance Taylor  <iant@google.com>
8027
8028         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8029         constant to unsigned HOST_WIDE_INT before negating.
8030
8031 2007-01-19  Ian Lance Taylor  <iant@google.com>
8032
8033         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8034         to unsigned.
8035         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8036         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8037         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8038         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8039         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8040         (realloc_vdef, realloc_vuse): Change second parameter to
8041         unsigned.
8042         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8043         fields to unsigned.
8044         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8045         unsigned. Change x and lim locals to unsigned.
8046         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8047         unsigned.
8048         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8049         (copy_virtual_operands): Change i and n locals to unsigned.
8050
8051 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8052
8053         PR middle-end/29335
8054         * builtins.c (fold_builtin_1): Handle builtin fdim.
8055
8056 2007-01-20  Jan Hubicka  <jh@suse.cz>
8057
8058         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8059         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8060         init_alias_heapvars.
8061         (init_alias_heapvars): Initialize only when not already initialized.
8062         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8063
8064 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8065
8066         * common.opt (fsigned-zeros): New command line option.
8067         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8068         of flag_unsafe_math_optimizations.
8069         * opts.c (set_fast_math_flags): The -ffast-math command line option
8070         implies -fno-signed-zeros.
8071         (fast_math_flags_set_p): Likewise.
8072
8073         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8074         the documentation of -ffast-math appropriately.  Wrap long lines.
8075
8076 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8077
8078         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8079         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8080
8081 2007-01-19  Tomas Bily  <tbily@suse.cz>
8082
8083         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8084         * tree-profile.c:
8085         (tree_init_ic_make_global_vars): New function
8086         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8087         (tree_gen_ic_profiler): New function
8088         (tree_gen_ic_func_profiler): New function
8089         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8090         (tree_profile_hooks): Added hook for indirec/virtual calls
8091         * value-prof.c (tree_find_values_to_profile): New case for
8092         indirect calls
8093         (tree_values_to_profile): Call for determining indirect/virtual
8094         counters
8095         (tree_indirect_call_to_profile): New function
8096         (tree_ic_transform): New function
8097         (tree_ic): New function
8098         (find_func_by_pid): New function
8099         (init_pid_map): New function
8100         (tree_value_profile_transformations): Added check for
8101         indirect/virtual call transformation
8102         * value-prof.h (enum hist_type): New counter type for
8103         indirect/virtual calls
8104         (profile_hooks): Added new hook for profiling indirect/virtual
8105         calls
8106         * profile.c (instrument_values): New case for indirect/virtual
8107         call added
8108         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8109         (GCOV_COUNTER_V_INDIR): New counter type
8110         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8111         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8112         call added
8113         * cgraph.c: Definition of cgraph_max_pid
8114         (cgraph_create_node): Default init of pid attribute
8115         * cgraph.h: Declaration of cgraph_max_pid
8116         (struct cgraph_node): Added pid attribute
8117         * libgcov.c (__gcov_indirect_call_profiler): New function
8118         (__gcov_one_value_profiler_body): New function
8119         (__gcov_one_value_profiler): Body was moved to
8120         __gcov_one_value_profiler_body and calls it
8121
8122 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8123
8124         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8125         * gengtype.c (write_types_data, write_func_for_structure,
8126         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8127         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8128         (walk_type, write_func_for_structure): Generate the mark_hook if
8129         needed.
8130
8131 2007-01-19  Jan Hubicka  <jh@suse.cz>
8132
8133         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8134         'early' argument take inlining mode argument specifying whether to
8135         inline for size/speeed or all functions; add support for flattening;
8136         improve dumpting.
8137         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8138
8139 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8140
8141         PR c++/17947
8142         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8143         the name of the declared identifier.
8144
8145 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8146
8147         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8148         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8149         duplicate evaluation.
8150
8151 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8152
8153         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8154         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8155         to XFMode, use acosxf2 and truncate result to requested mode.
8156         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8157         (asin<mode>2): Similarly, with asin expanders.
8158         (*fscalexf4_i387): Rename from *fscalexf4.
8159         (expNcorexf3): New expander.
8160         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8161         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8162         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8163         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8164         patterns for SSE math.
8165         (exp10<mode>2): Similarly, with exp10 expanders.
8166         (exp2<mode>2): Similarly, with exp2 expanders.
8167         (expm1<mode>2): Similarly, with expm1 expanders.
8168         (ldexp<mode>3): Similarly, with ldexp expanders.
8169         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8170         Use gen_truncxf<mode>2_i387_noop to truncate result.
8171
8172 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8173
8174         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8175         for ColdFire targets.
8176
8177 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8178             Richard Sandiford  <richard@codesourcery.com>
8179
8180         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8181         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8182         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8183         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8184         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8185         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8186
8187 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8188
8189         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8190         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8191         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8192         (*adddi_dilshr32_cf): New pattern.
8193         (adddi3, subdi3): Remove first alternatives.
8194
8195 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8196
8197         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8198         implemented using move.l, do not use its cc result for floating-point
8199         comparisons.
8200
8201 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8202
8203         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8204         from accepting 's' constraints if flag_pic.
8205
8206 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8207
8208         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8209         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8210         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8211         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8212
8213 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8214
8215         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8216         ColdFire alternatives.
8217         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8218         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8219         architectures that support ff1 instruction.
8220
8221 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8222             Julian Brown  <julian@codesourcery.com>
8223
8224         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8225         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8226         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8227         Add commentary.
8228
8229 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8230
8231         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8232         and return a bool.
8233         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8234         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8235         HOST_WIDE_INT instead of an rtx.
8236         (m68k_rtx_costs): Update call accordingly.
8237         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8238         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8239         Return a bool.
8240         (output_move_simode_const): Update calls after above changes.
8241         Rework to use automatic variables and predicates like MEM_P.
8242         * config/m68k/m68k.md (pushexthisi_const): Update call to
8243         valid_mov3q_const.
8244
8245 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8246
8247         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8248         in dump_flags test.
8249
8250 2007-01-19  Richard Guenther  <rguenther@suse.de>
8251
8252         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8253         via cexp in case sincos is not available.
8254
8255 2007-01-19  Richard Guenther  <rguenther@suse.de>
8256
8257         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8258         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8259         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8260         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8261         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8262         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8263         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8264         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8265
8266 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8267
8268         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8269         New insn patterns.
8270         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8271         (atan2xf3): Directly generate RTL pattern.
8272         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8273         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8274         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8275         disable patterns for SSE math.
8276         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8277         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8278         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8279         disable patterns for SSE math.
8280
8281 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8282
8283         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8284
8285 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8286
8287         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8288         VIEW_CONVERT_EXPR to the same type as it's operand.
8289
8290 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8291
8292         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8293         configured for long double 128.
8294
8295 2007-01-18  Mike Stump  <mrs@apple.com>
8296
8297         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8298         error.
8299
8300 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8301
8302         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8303         type correct.
8304
8305 2007-01-18  Jan Hubicka  <jh@suse.cz>
8306
8307         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8308         greater than NUM_VOP_FREE_BUCKETS.
8309
8310 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8311
8312         * tree-ssa-structalias.c: Update comments.
8313         (ptabitmap_obstack): Removed.
8314         (pta_obstack): New.
8315         (oldpta_obstack): Ditto.
8316         (stats): Add a few members.
8317         (struct variable_info): Remove node, complex, address_taken, and
8318         indirect_target members. Add oldsolution member.
8319         (new_var_info): Do not initialize removed members.
8320         (constraint_expr_type): Remove INCLUDES.
8321         (constraint_graph): Add size, implicit_preds, rep,
8322         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8323         (FIRST_REF_NODE): New macro.
8324         (LAST_REF_NODE): Ditto.
8325         (FIRST_ADDR_NODE): Ditto.
8326         (find): New function.
8327         (unite): Ditto.
8328         (dump_constraint): Do not handle INCLUDES.
8329         (insert_into_complex): Do not insert duplicate constraints.
8330         (condense_varmap_nodes): Renamed and rewritten into ...
8331         (merge_node_constraints): This. Also fix bug in handling of
8332         offseted copy constraints.
8333         (clear_edges_for_node): No longer need to deal with preds at all,
8334         or removing associated preds/succs.
8335         (merge_graph_nodes): Deal with indirect_cycles.
8336         Don't deal with predecessors.
8337         (add_implicit_graph_edge): New function.
8338         (add_pred_graph_edge): Ditto.
8339         (add_graph_edge): Don't deal with predecessors.
8340         (build_constraint_graph): Removed.
8341         (build_pred_graph): New function.
8342         (build_succ_graph): Ditto.
8343         (struct scc_info): Removed in_component. Added roots, dfs, and
8344         node_mapping. Remove visited_index, unification_queue.
8345         (scc_visit): Deal with union-find we do now.
8346         Deal with cycles with REF nodes.
8347         (collapse_nodes): Renamed and rewritten to ...
8348         (unify_nodes): This.
8349         (process_unification_queue): Removed.
8350         (topo_visit): Cleanup
8351         (do_da_constraint): Use find.
8352         (do_sd_constraint): Ditto.
8353         (do_ds_constraint): Ditto.
8354         (do_complex_constraint): Ditto.
8355         (init_scc_info): Update for removed and added members.
8356         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8357         (find_indirect_cycles): This.
8358         (equivalence_class): New variable.
8359         (label_visit): New function.
8360         (perform_variable_substitution): Rewritten.
8361         (free_var_substitution_info): New function.
8362         (find_equivalent_node): Ditto.
8363         (move_complex_constraints): Ditto.
8364         (eliminate_indirect_cycles): Ditto.
8365         (solve_graph): Only propagate changed bits.
8366         Use indirect cycle elimination.
8367         Use find.
8368         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8369         (tree_id_eq): Renamed to ...
8370         (tree_vi_eq): This. Update for member change
8371         (insert_id_for_tree): Renamed and rewritten to ...
8372         (insert_vi_for_tree): This.
8373         (lookup_id_for_tree): Renamed and rewritten to ...
8374         (lookup_vi_for_tree): This.
8375         (get_id_for_tree): Renamed and rewritten to ...
8376         (get_vi_for_tree): Ditto.
8377         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8378         (process_constraint): Don't handle INCLUDES.
8379         Remove special ADDRESSOF case.
8380         (find_func_aliases): Rewrite to use vi functions instead of id
8381         ones.
8382         (create_function_info_for): Ditto.
8383         (create_variable_info_for): Ditto.
8384         (intra_create_variable_infos): Ditto.
8385         (merge_smts_into): Ditto.
8386         (find_what_p_points_to): Ditto.
8387         (init_base_vars): Ditto.
8388         (init_alias_vars): Ditto.
8389         (remove_preds_and_fake_succs): New function.
8390         (dump_sa_points_to_info): Dump new stats.
8391         (dump_solution_for_var): Use find.
8392         (set_used_smts): Fix formatting.
8393         (compute_points_to_sets): Updated for new functions.
8394         (ipa_pta_execute): Ditto.
8395
8396 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8397             Richard Sandiford  <richard@codesourcery.com>
8398
8399         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8400         parallels.
8401         * calls.c (expand_call): If the return value is a PARALLEL,
8402         extract its first member.
8403         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8404         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8405         use FUNCTION_EXTRA_EPILOGUE.
8406         (m68k_function_value): Return a PARALLEL if the return value
8407         is of a pointer type.
8408         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8409         (FUNCTION_EXTRA_EPILOGUE): Remove.
8410         * config/m68k/m68k.md (D0_REG): New constant.
8411
8412 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8413
8414         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8415         output a NOP for empty epilogues.
8416
8417 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8418
8419         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8420         before function.  Extend register save check to include all
8421         registers, not just integer ones.
8422
8423 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8424
8425         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8426         (m68k_use_return_insn): ...this.
8427         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8428         * config/m68k/m68k.c (use_return_insn): Rename to...
8429         (m68k_use_return_insn): ...this.
8430         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8431         of USE_RETURN_INSN.
8432
8433 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8434
8435         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8436         nearest even, fix denormal rounding overflow.
8437
8438 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8439
8440         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8441         f%$smove and f%$move.
8442         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8443         (extendsfdf2_cf): Use fdmove instead of f%&move.
8444         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8445         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8446
8447 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8448
8449         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8450         GPR<-GPR moves.
8451
8452 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8453
8454         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8455         (coldfire_single_format): Declare.
8456         (coldfire_double_format): Likewise.
8457         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8458         of qnan_msb_set to determine the lower bits of a canonical
8459         NaN significand.
8460         (encode_ieee_double): Likewise.
8461         (encode_ieee_quad): Likewise.
8462         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8463         (mips_single_format): Likewise.
8464         (ieee_double_format): Likewise.
8465         (mips_double_format): Likewise.
8466         (ieee_extended_motorola_format): Likewise.
8467         (ieee_extended_intel_96_format): Likewise.
8468         (ieee_extended_intel_128_format): Likewise.
8469         (ieee_extended_intel_96_round_53_format): Likewise.
8470         (ibm_extended_format): Likewise.
8471         (mips_extended_format): Likewise.
8472         (ieee_quad_format): Likewise.
8473         (mips_quad_format): Likewise.
8474         (vax_f_format): Likewise.
8475         (vax_d_format): Likewise.
8476         (vax_g_format): Likewise.
8477         (i370_single_format): Likewise.
8478         (i370_double_format): Likewise.
8479         (decimal_single_format): Likewise.
8480         (decimal_double_format): Likewise.
8481         (decimal_quad_format): Likewise.
8482         (c4x_single_format): Likewise.
8483         (c4x_extended_format): Likewise.
8484         (real_internal_format): Likewise.
8485         (coldfire_single_format): New real_format.
8486         (coldfire_double_format): Likewise.
8487         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8488         canonical_nan_lsbs_set.
8489         (pdp11_d_format): Likewise.
8490         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8491         if TARGET_COLDFIRE_CPU.
8492
8493 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8494
8495         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8496         (output_call, m68k_legitimize_call_address): Declare.
8497         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8498         parenthesees.  Add support for a 'W' constraint.
8499         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8500         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8501         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8502         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8503         variables.
8504         (override_options): Initialize them.  Do not set flag_no_function_cse
8505         for TARGET_ID_SHARED_LIBRARY.
8506         (m68k_output_pic_call): Delete.
8507         (m68k_legitimize_call_address): New function.
8508         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8509         (output_call): New function.
8510         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8511         target address from the GOT if symbolic jumps are not allowed.
8512         * config/m68k/m68k.md (call, general_operand): Do not set
8513         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8514         Merge separate flag_pic and !flag_pic define_insns into...
8515         (*call, *call_value): ...these new patterns.  Match the address
8516         rather than the containing MEM and require it to be a call_operand.
8517         Use output_call to generate the asm template.
8518         * config/m68k/predicates.md (const_call_operand): New predicate.
8519         (call_operand): Likewise.
8520
8521 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8522
8523         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8524         (STACK_GROWS_DOWNWARD): Define to 1.
8525         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8526         comments, emphasizing that these values are only defaults.
8527         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8528         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8529
8530 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8531
8532         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8533
8534 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8535             Richard Sandiford  <richard@codesourcery.com>
8536
8537         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8538         (FP_REGNO_P): New macros.
8539         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8540         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8541         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8542         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8543
8544 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8545
8546         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8547         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8548         to $tmake_file.
8549         * config/m68k/t-floatlib: New file, extracting common code from...
8550         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8551         * config/m68k/t-uclinux: Here.
8552         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8553         routines on ColdFire targets.
8554
8555 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8556
8557         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8558         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8559         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8560         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8561         explicitly set MOTOROLA to 1.
8562         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8563
8564 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8565             Nathan Sidwell  <nathan@codesourcery.com>
8566
8567         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8568         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8569         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8570         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8571         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8572         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8573         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8574         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8575         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8576         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8577         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8578         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8579         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8580         (DBX_REGISTER_NUMBER): Delete.
8581         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8582         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8583         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8584
8585 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8586
8587         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8588         * config/flat.h: New file.
8589         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8590         OBJECT_FORMAT_FLAT.
8591         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8592         indirect references for -msep-data or -mid-shared-library.
8593         Do not use PC-relative code addresses either.
8594         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8595         to -mpcrel.
8596         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8597         for shared libraries and crt1.o for executables.  Use crti.o and
8598         crtbegin.o.
8599         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8600         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8601         Do not add -elf2flt or -shared-lib-id options here.
8602         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8603         Pass -shared-lib-id if -mid-shared-library, taking the library
8604         identifier from -mshared-library-id if given, otherwise
8605         defaulting to 0.
8606         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8607         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8608         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8609         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8610         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8611         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8612         and crtend.o.
8613         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8614         jump sequence for ISA A and ISA A+.
8615         (PICJUMP): Likewise.
8616
8617 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8618
8619         * config.gcc (m68k-*-uclinux*): Base the port on the common
8620         and m68k GNU/Linux files rather than on the generic ELF ones.
8621         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8622         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8623
8624 2007-01-18  Julian Brown  <julian@codesourcery.com>
8625             Richard Sandiford  <richard@codesourcery.com>
8626
8627         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8628         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8629         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8630         before redefining.
8631         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8632         80 unconditionally.
8633         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8634
8635 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8636
8637         * doc/install.texi: Document m68k-uclinuxoldabi.
8638         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8639         * config/m68k/uclinux-oldabi.h: New file, copied from
8640         config/m68k/uclinux.h.
8641
8642 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8643
8644         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8645         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8646         (m32r_compute_frame_size): Use unsigned for regno.
8647         (m32r_reload_lr): Use gen_frame_mem.
8648         (pop): New.
8649         (m32r_output_function_epilogue): Don't output the function epilogue
8650         textually here.
8651         (m32r_expand_epilogue): New.
8652         (direct_return): Return false if the function has the interrupt
8653         attribute.
8654         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8655         * config/m32r/m32r.md (epilogue): New expander.
8656         (return_lr, return_rte): New insns.
8657         (return): Make it expander.
8658         (return_normal): New expander.
8659
8660 2007-01-18  Josh Conner  <jconner@apple.com>
8661
8662         PR target/30485
8663         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8664         support for UNLE, UNLT, UNGE, and UNGT.
8665
8666 2007-01-18  Jan Hubicka  <jh@suse.cz>
8667
8668         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8669         * tree-tailcall (add_virtual_phis): Likewise.
8670         (optimize_tail_call): Return TODOs.
8671         (execute_tail_calls): Return TODOs.
8672         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8673         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8674         changed.
8675         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8676         Cleanup cfg using TODO.
8677         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8678         * passes.c (execute_function_todo): When cleanup did something, remove
8679         unused locals.
8680         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8681         (make_edges): Don't cleanup_cfg.
8682
8683 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8684
8685         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8686         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8687         operate on the top of stack.
8688         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8689         register handling of instructions that output to the second
8690         stack slot.
8691         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8692         (move_for_stack_reg): Special-case check for dead destination
8693         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8694
8695         * config/i386/i386.md (UNSPEC_TAN): New constant.
8696         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8697         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8698         to correctly model move of constant 1.0 to top stack slot.
8699         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8700         (unnamed peephole2 pattern): Remove corresponding peephole2
8701         pattern that optimizes tan insn and loading of constant 1.0.
8702         (tanxf2): Use fptanxf4_i387.
8703         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8704         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8705         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8706         disable patterns for SSE math.
8707         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8708         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8709
8710 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8711             Richard Guenther <rguenther@suse.de>
8712
8713         PR diagnostic/8268
8714         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8715         * common.opt (Warray-bounds): Add new warning option.
8716         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8717         if -Wall is given.
8718         * Makefile.in: make tree-vrp.o depend on toplev.h
8719         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8720         is enabled.
8721         (check_array_refs, check_array_bounds, check_array_ref): New.
8722
8723 2007-01-18  Jan Hubicka  <jh@suse.cz>
8724
8725         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8726         (execute_ssa_ccp): Return flags conditionally.
8727         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8728         changed.
8729         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8730
8731 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8732
8733         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8734         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8735
8736         * Makefile.c (GTFILES): Add cfglayout.h.
8737         * gengtype.c (open_base_files): Likewise.
8738         * cfglayout.c (cfg_layout_function_footer,
8739         cfg_layout_function_header) Reindent to make gengtype happy.
8740         * cfglayout.h (cfg_layout_function_footer,
8741         cfg_layout_function_header): Add GTY(()) marker.
8742
8743         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8744
8745 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8746
8747         * genautomata.c (write_automata): Include xstrerror output in the
8748         error message if writing the DFA description file fails.
8749
8750 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8751
8752         * config/mips/mips-protos.h (mips_output_external): Make it
8753         return void.
8754         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8755         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8756         (extern_list): Likewise.
8757         (extern_head): Likewise.
8758         (TARGET_ASM_FILE_END): Likewise.
8759         (mips_file_end): Likewise.
8760         (mips_output_external): Rewritten.
8761
8762 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8763
8764         * genpreds.c (write_insn_preds_c): Only write out the function
8765         body for regclass_for_constraint if we have register constraints.
8766
8767 2007-01-17  Tom Tromey  <tromey@redhat.com>
8768
8769         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8770         * doc/install.texi (Testing): Use sourceware.org.
8771         (Binaries): Likewise.
8772         (Specific): Likewise.
8773         * doc/contrib.texi (Contributors): Use sourceware.org.
8774
8775 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8776
8777         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8778         (AVR_ENHANCED): Rename to ...
8779         (AVR_HAVE_MUL): ... new.
8780         (avr_enhanced_p): Rename to ...
8781         (avr_have_mul_p): ... new.
8782         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8783         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8784         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8785         (avr_have_mul_p): ... new.
8786         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8787         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8788         'avr_enhanced_p' and 'enhanced'.
8789         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8790         AVR_HAVE_MUL instead of AVR_ENHANCED.
8791         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8792         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8793         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8794         instead of AVR_ENHANCED.
8795         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8796         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8797         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8798
8799 2007-01-17  Ian Lance Taylor  <iant@google.com>
8800
8801         * vec.h (VEC_reserve_exact): Define.
8802         (vec_gc_p_reserve_exact): Declare.
8803         (vec_gc_o_reserve_exact): Declare.
8804         (vec_heap_p_reserve_exact): Declare.
8805         (vec_heap_o_reserve_exact): Declare.
8806         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8807         versions.
8808         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8809         negative parameter.
8810         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8811         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8812         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8813         * vec.c (calculate_allocation): Add exact parameter.  Change all
8814         callers.
8815         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8816         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8817         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8818         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8819         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8820         (vec_heap_p_reserve_exact): New function.
8821         (vec_heap_o_reserve_exact): New function.
8822
8823 2007-01-17  Jan Hubicka  <jh@suse.cz>
8824
8825         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8826
8827 2007-01-17  Eric Christopher  <echristo@apple.com>
8828
8829         * config.gcc: Support core2 processor.
8830
8831 2007-01-16  Jan Hubicka  <jh@suse.cz>
8832
8833         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8834         the names, just unlink the chain so we don't crash on dangling pointers
8835         to dead SSA names.
8836
8837 2007-01-16  Jan Hubicka  <jh@suse.cz>
8838
8839         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8840         * tree-pass.h: Reorder to make IPA passes appear toegher.
8841         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8842         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8843         parameters, do not call early inliner.
8844         * ipa-inline.c: Update comments.  Include tree-flow.h
8845         (cgraph_decide_inlining): Do not compute inlining parameters.
8846         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8847         be called with function context set up.
8848         (pass_ipa_inline): Remove unreachable functions before pass.
8849         (cgraph_early_inlining): Simplify assuming to be called from the
8850         PM as local pass.
8851         (pass_early_inline): New pass.
8852         (cgraph_gate_ipa_early_inlining): New gate.
8853         (pass_ipa_early_inline): Turn into simple wrapper.
8854         (compute_inline_parameters): New function.
8855         (gate_inline_passes): New gate.
8856         (pass_inline_parameters): New pass.
8857         (apply_inline): Move here from tree-optimize.c
8858         (pass_apply_inline): New pass.
8859         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8860         transforming.
8861         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8862         doing them by hand.
8863         (tree_function_versioning): Do not allocate dummy struct function.
8864         * tree-inline.h (optimize_inline_calls): Update prototype.
8865         * tree-optimize.c (execute_fixup_cfg): Export.
8866         (pass_fixup_cfg): Remove
8867         (tree_rest_of_compilation): Do not apply inlines.
8868         * tree-flow.h (execute_fixup_cfg): Declare.
8869         * Makefile.in (gt-passes.c): New.
8870         * passes.c: Include gt-passes.h
8871         (init_optimization_passes): New passes.
8872         (nnodes, order): New static vars.
8873         (do_per_function_toporder): New function.
8874         (execute_one_pass): Dump current pass here.
8875         (execute_ipa_pass_list): Don't dump current pass here.
8876
8877 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8878
8879         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8880         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8881
8882 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8883
8884         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8885         (strong_alias): Define.
8886         (__gcc_qmul): Provide non-FMA for soft-float.
8887         (__gcc_qdiv): Same.
8888         (__gcc_qneg): New.
8889         (__gcc_qeq): New.
8890         (__gcc_qle): New.
8891         (__gcc_qge): New.
8892         (__gcc_qunord): New.
8893         (__gcc_stoq): New.
8894         (__gcc_dtoq): New.
8895         (__gcc_qtos): New.
8896         (__gcc_qtod): New.
8897         (__gcc_qtoi): New.
8898         (__gcc_qtou): New.
8899         (__gcc_itoq): New.
8900         (__gcc_utoq): New.
8901         (fmsub): New.
8902         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8903         soft-float functions.
8904         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8905         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8906         about long double soft float.
8907
8908 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8909             Tehila Meyzels  <tehila@il.ibm.com>
8910
8911         * tree-vectorizer.h (is_pattern_stmt_p): New.
8912         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8913         formatting (tabs instead of spaces). Cleanup and clarify setting
8914         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8915         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8916         (vectorizable_type_demotion): Check that types are integral.
8917         (vectorizable_type_promotion): Likewise.
8918         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8919         comments.
8920
8921 2007-01-16  Jan Hubicka  <jh@suse.cz>
8922
8923         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8924         cgraph edges too.
8925
8926 2007-01-15  Eric Christopher  <echristo@apple.com>
8927
8928         * ifcvt.c: Include vec.h, vecprim.h.
8929         (check_cond_move_block): New argument regs.
8930         Reorganize. Add registers used to regs.
8931         (cond_move_process_if_block): Use regs set above as
8932         loop bounds.
8933
8934 2007-01-15  Eric Christopher  <echristo@apple.com>
8935
8936         * config/darwin.h: Update copyright.
8937         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8938         (LINK_COMMAND_SPEC): Add -u.
8939         (LINK_SPEC): Fix umbrella for above.
8940
8941 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8942
8943         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8944         glibc CVS.
8945
8946 2007-01-15  Tom Tromey  <tromey@redhat.com>
8947
8948         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8949         * doc/install.texi (Testing): Don't mention jacks.
8950         (Configuration): Document --enable-java-maintainer-mode.  Move
8951         --with-java-home to libgcj-specific section.  Document
8952         --with-ecj-jar.
8953         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8954
8955 2007-01-15  Jan Hubicka  <jh@suse.cz>
8956
8957         * tree-ssa-dce.c (DCE_TODOs): New.
8958         (propagate_necessity): Return if something changed.
8959         (eliminate_unnecessary_stmts): Likewise.
8960         (perform_tree_ssa_dce): Return TODO flags when needed.
8961         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8962
8963 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8964
8965         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8966         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8967         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8968         patterns using X87MODEF12 mode macro.  Extend operand 1
8969         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8970         (log10<mode>2): Ditto.
8971         (log2<mode>2): Ditto.
8972         (log1p<mode>2): Ditto.
8973         (logb<mode>2): Ditto.
8974         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8975         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8976         (*fxtractxf3_i387): Rename from *fxtractxf3.
8977         (fxtract_extend<mode>xf3_i387): New insn pattern.
8978         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8979         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8980         and gen_fyl2xxf3_i387().
8981
8982 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8983
8984         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8985         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8986         get_loop_exit_edges.  Changed return type to bool.
8987         * cfgloop.h (fix_loop_placement): Declaration removed.
8988
8989 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8990
8991         * param.h (MIN_VECT_LOOP_BOUND): New.
8992         * params.def (MIN_VECT_LOOP_BOUND): New.
8993         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8994         argument - minimum threshold for number of iterations.
8995         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8996         argument to declaration.
8997         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8998         MIN_VECT_LOOP_BOUND.
8999         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9000         slpeel_tree_peel_loop_to_edge with additional argument.
9001         (vect_do_peeling_for_alignment): Likewise.
9002         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9003
9004 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9005
9006         PR target/30413
9007         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9008         operands of size 1.
9009
9010 2007-01-14  Jan Hubicka  <jh@suse.cz>
9011
9012         * tree-dfa.c (remove_referenced_var): New function.
9013         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9014         prune referenced vars list too.
9015         * tree-flow.h (remove_referenced_var): Declare.
9016
9017 2007-01-14  Jan Hubicka  <jh@suse.cz>
9018
9019         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9020         separately.
9021         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9022         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9023         * except.h (verify_eh_throw_table_statements): Kill prototype.
9024         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9025         into call exrepssions.
9026         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9027         eh trhow verifier.
9028         * tree-cfg.c: Include pointer-set.h.
9029         (verify_node_sharing): Work on pointer set.
9030         (verify_eh_throw_stmt_node): New.
9031         (verify_stmts): Use pointers sets, verify throw_stmt.
9032
9033 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9034
9035         * ipa-reference.c (analyze_function): Consider also addresses taken
9036         in phi nodes.
9037
9038 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9039
9040         * c-typeck.c (null_pointer_constant_p): Replace use of
9041         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9042         (build_c_cast): Likewise.
9043
9044 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9045
9046         * tree.h (force_fit_type_double): Remove unused final argument.
9047         * c-common.c (constant_expression_warning): Replace use of
9048         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9049         (convert_and_check): Likewise.
9050         (shorten_compare): Update call to force_fit_type_double.
9051         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9052         * convert.c (convert_to_pointer): Update call to
9053         force_fit_type_double.
9054         * fold-const.c (force_fit_type_double): Remove overflowed_const
9055         argument.
9056         (int_const_binop, fold_convert_const_int_from_int,
9057         fold_convert_const_int_from_real, fold_div_compare,
9058         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9059         fold_abs_const, fold_not_const): Remove the final argument from
9060         calls to force_fit_type_double.
9061
9062 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9063
9064         * configure.ac: Set insn to "nop" for spu-*-* also.
9065         * configure: Regenerate.
9066
9067 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9068
9069         * builtins.def : Add BUILT_IN_FREE.
9070
9071 2007-01-12  Jan Hubicka  <jh@suse.cz>
9072
9073         PR tree-optimization/30443
9074         * tree-inline.c (tree_function_versioning): Do not optimize when
9075         cloning for inlining.
9076
9077 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9078
9079         * doc/loop.texi: Document recording of loop exits.
9080         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9081         (update_single_exits_after_duplication,
9082         update_single_exit_for_duplicated_loop,
9083         update_single_exit_for_duplicated_loops): Removed.
9084         (duplicate_loop_to_header_edge): Do not call
9085         update_single_exits_after_duplication and
9086         update_single_exit_for_duplicated_loops.
9087         (loop_version): Do not update single_exit information.
9088         (fix_loop_structure): Use record_loop_exits instead of
9089         mark_single_exit_loops.
9090         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9091         the lists of loop exits.
9092         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9093         split_edge, merge_blocks): Update the lists of loop exits.
9094         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9095         loop_optimizer_init.
9096         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9097         of mark_single_exit_loops.
9098         (loop_optimizer_finalize): Call release_recorded_exits.
9099         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9100         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9101         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9102         update single exit information.
9103         * lambda-code.c (perfect_nestify): Ditto.
9104         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9105         (mark_single_exit_loops): Removed.
9106         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9107         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9108         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9109         functions.
9110         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9111         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9112         (verify_loop_structure): Verify consistency of the exit lists.
9113         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9114         (set_single_exit): Removed.
9115         * cfgloop.h (struct loop_exit): New function.
9116         (struct loop): single_exit_ field replaced by exits field.
9117         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9118         (struct loops): Added exits hash.
9119         (mark_single_exit_loops, set_single_exit): Declaration removed.
9120         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9121
9122 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9123
9124         * doc/invoke.texi: Avoid use of @headitem.
9125
9126 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9127
9128         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9129
9130 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9131
9132         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9133         list of targets.
9134
9135 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9136             Richard Sandiford  <richard@codesourcery.com>
9137
9138         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9139         * config/m68k/m68k.opt: Resort options.
9140         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9141
9142 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9143             Richard Sandiford  <richard@codesourcery.com>
9144
9145         * doc/invoke.texi: Document the macros that are defined by
9146         m68k's -mtune and -mhard-float options.
9147         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9148         (m68k_cpp_cpu_family): Likewise.
9149         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9150         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9151         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9152         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9153         (m68k_cpp_cpu_family): Likewise.
9154
9155 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9156
9157         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9158         macros besides mc68000 as tuning macros.  Use a switch statement
9159         to set them and mcpu32.
9160
9161 2007-01-12  Julian Brown  <julian@codesourcery.com>
9162
9163         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9164         (TARGET_68040_ONLY): Rename to...
9165         (TARGET_68040): ...this.
9166         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9167         * config/m68k/m68k.md: Likewise.
9168
9169 2007-01-12  Julian Brown  <julian@codesourcery.com>
9170             Nathan Sidwell  <nathan@codesourcery.com>
9171             Richard Sandiford  <richard@codesourcery.com>
9172
9173         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9174         the -mcpu= argument associated with the --with-cpu setting.
9175         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9176         if different from the one implied by the -mcpu setting.
9177         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9178         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9179         * doc/invoke.texi: Mention ColdFire in the introduction to the
9180         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9181         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9182         -mhard-float.  Document the previously-undocumented -m5206e,
9183         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9184         documentation for consistency.
9185         * doc/install.texi: Mention new --with-cpu arguments.
9186         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9187         default CPU if neither -mcpu nor -march are specified.
9188         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9189         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9190         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9191         using m68k_tune to decide between families that implement the
9192         same ISA.  Use m68k_tune to set __mcfv4e__.
9193         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9194         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9195         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9196         (FL_ISA_C, FL_ISA_MMU): New macros.
9197         (MASK_COLDFIRE): Delete.
9198         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9199         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9200         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9201         (TARGET_HARD_FLOAT): Do not define here.
9202         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9203         (TUNE_68000): New macro.
9204         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9205         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9206         (TUNE_CFV2): Redefine in terms of m68k_tune.
9207         (uarch_type, target_device, fpu_type): New enums.
9208         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9209         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9210         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9211         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9212         (FL_FOR_isa_c): New macros.
9213         (m68k_isa): New enum.
9214         (m68k_target_selection): New structure.
9215         (all_devices, all_isas, all_microarchs): New tables.
9216         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9217         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9218         (MASK_ALL_CPU_BITS): Delete.
9219         (m68k_find_selection): New function.
9220         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9221         Map the legacy target options to a combination of the new ones.
9222         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9223         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9224         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9225         settings.
9226         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9227         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9228         properties.
9229         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9230         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9231         * config/m68k/m68k-devices.def: New file.
9232
9233 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9234             Nathan Sidwell  <nathan@codesourcery.com>
9235
9236         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9237         (SUBTARGET_EXTRA_SPECS): New macros.
9238         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9239         use %(asm_cpu_spec) instead.
9240         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9241         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9242         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9243         (EXTRA_SPECS): Rename to...
9244         (SUBTARGET_EXTRA_SPECS): ...this.
9245
9246 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9247             Richard Sandiford  <richard@codesourcery.com>
9248             Julian Brown  <julian@codesourcery.com>
9249
9250         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9251         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9252         to the configuration's default CPU.
9253         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9254         Remove default masks.
9255         (m680[012]0-*-*): Set the default with_cpu to the first part of
9256         the target name.
9257         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9258         (m68k*-*-linux): Extend the --with-cpu handling to...
9259         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9260         and m68010.  Don't set target_cpu_default2.
9261         * doc/install.texi: Document --with-cpu for m68k.
9262         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9263         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9264         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9265         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9266         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9267         (ASM_SPEC): Remove use of %(asm_cpu_default).
9268         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9269         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9270         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9271         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9272         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9273         (TARGET_DEFAULT): Delete.
9274         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9275         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9276         (CPP_CPU_SPEC): Delete.
9277         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9278         the appropriate string.
9279         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9280         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9281         (ASM_SPEC): Don't use %(asm_default_spec).
9282         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9283         TARGET_DEFAULT and add MASK_68881.
9284         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9285
9286 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9287
9288         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9289         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9290         MASK_68010 alongside MASK_68020.
9291         * doc/invoke.texi: Document -m68010.
9292         * config/m68k/m68k.opt (m68010): New.
9293         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9294         if TUNE_68010.
9295         (TUNE_68010): New macro.
9296         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9297         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9298         (M68K_CPU_m68332): Add MASK_68010.
9299         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9300         fallback definition.
9301         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9302         defines.
9303         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9304         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9305         to all entries that use MASK_68020.
9306         (output_move_simode_const, output_move_himode, output_move_qimode)
9307         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9308         instead of TARGET_68020 to select clr behavior.  Remove comment
9309         about there being no TARGET_68010.
9310         * config/m68k/m68k.md: Likewise throughout.
9311
9312 2007-01-12  Julian Brown  <julian@codesourcery.com>
9313
9314         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9315         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9316         * config/m68k/m68k.md: Likewise.
9317
9318 2007-01-12  Julian Brown  <julian@codesourcery.com>
9319
9320         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9321         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9322
9323 2007-01-12  Julian Brown  <julian@codesourcery.com>
9324
9325         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9326         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9327         * config/m68k/m68k.md: Likewise.
9328
9329 2007-01-12  Julian Brown  <julian@codesourcery.com>
9330             Richard Sandiford  <richard@codesourcery.com>
9331
9332         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9333         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9334         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9335         TARGET_CPU32.
9336         (TARGET_CPU32): Rename to...
9337         (TUNE_CPU32): ...this.
9338         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9339         (TUNE_CFV2): New macros.
9340         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9341         remove conditions that are implied by TARGET_68020.
9342         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9343         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9344         (m68k_output_function_epilogue): Likewise.
9345         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9346         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9347         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9348         non-68000 timings.  Refactor multiplication and division costs.
9349         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9350         TUNE_CPU32 instead of TARGET_CPU32.
9351         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9352         and TUNE_68060 instead of TARGET_68060.
9353         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9354         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9355         TARGET_CPU32.
9356         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9357         && !TARGET_COLDFIRE" to choose between moveq and clr.
9358         Likewise in the unnamed movsf pattern.
9359         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9360         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9361         ashiftrt pattern.
9362
9363 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9364
9365         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9366         of tabbing before backslashes.
9367
9368 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9369
9370         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9371         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9372         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9373
9374 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9375
9376         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9377         find_interesting_uses_cond.
9378         (find_interesting_uses_cond): Use extract_cond_operands.
9379         (rewrite_use_compare): Use extract_cond_operands and
9380         force_gimple_operand_bsi.  Do not call update_stmt.
9381         (determine_use_iv_cost_condition): Use extract_cond_operands.
9382         Return cheaper of using original bound and changing the exit bound.
9383
9384 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9385
9386         PR tree-optimization/29516
9387         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9388         most_expensive_mult_to_index, addr_to_parts,
9389         create_mem_ref, maybe_fold_tmr): Make the type of
9390         fields of TARGET_MEM_REF sizetype.
9391         (move_fixed_address_to_symbol, move_pointer_to_base):
9392         New functions.
9393         * tree.def (TARGET_MEM_REF): Add comment on types of
9394         the operands.
9395
9396 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9397
9398         * c-common.c (vector_types_convertible_p): Treat opaque types as
9399         always convertible if they have the same size, but not otherwise.
9400
9401 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9402
9403         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9404         Remove the b_unconditional field.
9405         (noce_try_sign_mask): Do not look at b_unconditional.
9406         (noce_process_if_block): Do not use merge_if_blocks.  Update
9407         the CFG here.  Do not set b_unconditional.
9408         (cond_move_process_if_block): Likewise.
9409         (find_cond_trap): Likewise.
9410         (check_cond_move_block): Require simple jump insns at the end
9411         of the basic block.
9412
9413 2007-01-11  Jan Hubicka  <jh@suse.cz>
9414
9415         PR tree-optimization/1046
9416         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9417         when alias info is not ready.
9418         (pass_tail_recursion): Do not require aliasing.
9419         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9420         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9421         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9422         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9423         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9424         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9425         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9426         before inlining.
9427         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9428         When aliasing is not build, mark statement as volatile.
9429
9430 2007-01-11  Tom Tromey  <tromey@redhat.com>
9431
9432         PR preprocessor/15185, PR preprocessor/20989:
9433         * doc/cppopts.texi <-MT>: Update description of algorithm for
9434         computing default target.
9435         <-M, -MD>: Reword "basename" text.
9436
9437 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9438
9439         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9440         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9441         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9442         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9443         fold_builtin_bswap, real_constp, fold_builtin_pow,
9444         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9445         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9446         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9447         * convert.c (convert_to_pointer): Likewise.
9448         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9449         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9450         const_binop, fold_convert_const_int_from_int,
9451         fold_convert_const_int_from_real,
9452         fold_convert_const_real_from_real, sign_bit_p,
9453         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9454         fold_sign_changed_comparison, fold_unary, fold_comparison,
9455         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9456         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9457         * print-tree.c (print_node_brief, print_node): Likewise.
9458         * stor-layout.c (place_field, layout_type): Likewise.
9459         * tree-chrec.c (keep_cast): Likewise.
9460         * tree.c (build_vector, build_real, build_real_from_int_cst,
9461         build_complex): Likewise.
9462
9463 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9464
9465         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9466         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9467
9468 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9469
9470         * configure.ac (strict1_warn): Rename to strict_warn.
9471         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9472         cc_set_by_configure, quoted_cc_set_by_configure,
9473         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9474         all_boot_languages, all_stagestuff): Remove.
9475         (target_list): Remove bootstrap targets.
9476         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9477         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9478         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9479         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9480         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9481         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9482         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9483         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9484         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9485         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9486         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9487         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9488         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9489         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9490         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9491         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9492         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9493         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9494         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9495         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9496         (mostlyclean): Adjust.
9497         (clean, distclean): Don't mention bootstrap stuff.
9498         * configure: Regenerate.
9499         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9500         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9501         treelang/config-lang.in (stagestuff): Remove.
9502         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9503         stageprofile, stagefeedback, stagestuff): Remove mention.
9504
9505 2007-01-11  Nick Clifton  <nickc@redhat.com>
9506
9507         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9508         Accept CONSTs.
9509         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9510         (mcore_arith_K_S_operand): Run the test for the S constraint not
9511         the test for the M constraint.
9512         (mcore_addsub_operand): Do not accept integer values that are
9513         larger than 32 bits.
9514         * config/mcore/mcore.md: Remove unused constraints from split.
9515         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9516         (addsi3): Likewise.
9517         (allocate_stack): Likewise.
9518         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9519         operands to 32 bits.
9520         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9521         INTVAL.
9522         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9523         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9524         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9525         mcore_output_bclri, mcore_output_andn, output_inline_const,
9526         mcore_output_move, mcore_output_movedouble): Likewise.
9527         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9528         (output_inline_const): Likewise.
9529         (output_inline_const): Fix format strings used in sprintf
9530         statements.
9531         * config/mcore/mcore-protos.h: Update prototypes for changed
9532         functions in mcore.c.
9533         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9534         HOST_WIDE_INT and not int.
9535         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9536         CONST_OK_FOR_N): Likewise.
9537         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9538         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9539         an INTVAL.
9540
9541 2007-01-10  Jan Hubicka  <jh@suse.cz>
9542
9543         * tree-vrp.c (remove_range_assertions): Release defs.
9544         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9545         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9546
9547 2007-01-10  Paul Brook  <paul@codesourcery.com>
9548
9549         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9550         * config/arm/arm.md (mulsi3subsi): New insn.
9551
9552 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9553
9554         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9555         (tree_transform_and_unroll_loop): New.
9556         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9557         Declare.
9558
9559 2007-01-10  Robert Kennedy <jimbob@google.com>
9560
9561         * fold-const.c (fold_comparison): Fold comparisons like (x *
9562         1000 < 0) to (x < 0).
9563
9564 2007-01-10  Ian Lance Taylor  <iant@google.com>
9565
9566         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9567         operands have the same priority.
9568
9569 2007-01-10  Tom Tromey  <tromey@redhat.com>
9570
9571         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9572         (fold_binary): Likewise.
9573         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9574         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9575         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9576         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9577         * langhooks.h (struct lang_hooks): Removed field
9578         'can_use_bit_fields_p'.
9579
9580 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9581
9582         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9583
9584 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9585
9586         * function.c (get_last_funcdef_no): New function.
9587         * function.h (get_last_funcdef_no): Declare.
9588         * tree-inline.c (initialize_cfun): Add initialization.
9589         (tree_function_versioning): Cleanup.
9590
9591 2007-01-10  Jan Hubicka  <jh@suse.cz>
9592
9593         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9594         PHIs.
9595
9596 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9597             Ben Elliston  <bje@au.ibm.com>
9598
9599         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9600         for SAVE_NONLOCAL and Pmode for any other save level.
9601         * spu-protos.h (spu_restore_stack_block): Declare.
9602         * spu.md (save_stack_block): Remove.
9603         (restore_stack_block): Call spu_restore_stack_block.
9604         * spu.c (spu_restore_stack_block): New function.
9605         (spu_expand_epilogue): Remove old comment.
9606
9607 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9608
9609         PR tree-optimization/30322
9610         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9611         (cand_value_at): Return the value as aff_tree.
9612         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9613         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9614         aff_combination_mult): New functions.
9615         (aff_combination_add): Use aff_combination_add_cst.
9616         (aff_combination_convert): Allow conversions to a wider type.
9617         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9618         * tree-affine.h (aff_combination_mult): Declare.
9619
9620 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9621
9622         * doc/tm.texi: Update documentation to reflect reality of exec
9623         and start file search behaviours. Update copyright year.
9624         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9625         header file directories.
9626
9627 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9628
9629         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9630         (*cosxf2): Rename to cosxf2_i387.
9631         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9632         using X87MODEF12 mode macro. Rename patterns to
9633         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9634         for SSE math.
9635         (*cosdf2, *cossf2): Ditto.
9636         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9637         to match extended input operands.
9638         (sincos<mode>3): New expander.
9639         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9640         insn patterns and corresponding splitters.
9641
9642 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9643
9644         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9645         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9646
9647 2007-01-09  Nicolas Pitre  <nico@cam.org>
9648
9649         PR target/30173
9650         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9651
9652 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9653
9654         * target.h (struct gcc_target): New field library_rtti_comdat.
9655         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9656         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9657         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9658         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9659
9660 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9661
9662         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9663
9664 2007-01-08  Richard Guenther  <rguenther@suse.de>
9665
9666         * tree.h (force_fit_type_double): Export.
9667         (force_fit_type): Remove.
9668         * fold-const.c (force_fit_type_double): New function.
9669         (force_fit_type): Remove.
9670         (int_const_binop): Use it.
9671         (fold_convert_const_int_from_int): Likewise.
9672         (fold_convert_const_int_from_real): Likewise.
9673         (fold_div_compare): Likewise.
9674         (fold_sign_changed_comparison): Likewise.
9675         (fold_unary): Likewise.
9676         (fold_negate_const): Likewise.
9677         (fold_abs_const): Likewise.
9678         (fold_not_const): Likewise.
9679         * c-common.c (shorten_compare): Use force_fit_type_double.
9680         * convert.c (convert_to_pointer): Likewise.
9681
9682 2007-01-08  Richard Guenther  <rguenther@suse.de>
9683
9684         * tree.h (build_int_cst_wide_type): Export.
9685         * tree.c (build_int_cst_wide_type): New function.
9686         (build_int_cst_wide): Fix comment.
9687         * builtins.c (fold_builtin_object_size): Use build_int_cst
9688         to build -1 or 0 of the correct type.  Use fit_double_type
9689         to check for overflow.
9690         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9691         to build the mask.
9692         (decode_field_reference): Likewise.
9693         (all_ones_mask_p): Likewise.
9694         (native_interpret_int): Use build_int_cst_wide_type.
9695         (fold_binary): Use build_int_cst_type to build an all-ones
9696         value.
9697         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9698
9699 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9700
9701         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9702
9703 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9704
9705         * genautomata.c (STATS_OPTION): New option.
9706         (stats_flag): New flag.
9707         (gen_automata_option): Handle it.
9708         (initiate_automaton_gen): Ditto.
9709         (write_automata): Output statistics only if stats_flag is
9710         set. Likewise, output time statistics only if time_flag is set.
9711         * doc/md.texi (Processor pipeline description): Document new flag.
9712
9713 2007-01-08  Richard Guenther  <rguenther@suse.de>
9714
9715         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9716         * tree.c (build_int_cst_type): Likewise.
9717         (size_in_bytes): Don't call force_fit_type on the result.
9718         (int_fits_type_p): Use fit_double_type.
9719         * fold-const.c (fit_double_type): New function.
9720         (force_fit_type): Use it.
9721         * tree.h (fit_double_type): Export.
9722
9723 2007-01-08  Jan Hubicka  <jh@suse.cz>
9724
9725         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9726         * ipa.c (function_and_variable_visibility): Fix return type.
9727
9728 2007-01-08  Richard Guenther  <rguenther@suse.de>
9729
9730         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9731         of offset to build the index.
9732         * tree-pretty-print.c (dump_generic_node): Don't build negated
9733         const just for printing.
9734         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9735         * builtins.c (fold_builtin_int_roundingfn): Check if result
9736         fits the type by using force_fit_type and comparing the result.
9737         * predict.c (predict_loops): Use compare_tree_int for comparison.
9738         * tree.c (build_int_cst): Fall back to integer_type_node for
9739         NULL_TREE type.
9740         (build_int_cst_wide): Assert type is non-null.
9741
9742 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9743
9744         * tree-vrp.c (extract_range_from_cond_expr): New.
9745         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9746         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9747         as expressions.
9748         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9749         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9750         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9751         used as expressions.
9752         * tree-object-size.c (cond_expr_object_size): New.
9753         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9754
9755 2007-01-08  Jan Hubicka  <jh@suse.cz>
9756
9757         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9758         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9759         statement.
9760
9761 2007-01-08  Richard Guenther  <rguenther@suse.de>
9762
9763         PR tree-optimization/23603
9764         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9765         (extract_range_from_binary): Fall back to truthvalue instead of
9766         varying for TRUTH_*_EXPR.
9767         (extract_range_from_comparison): Fall back to truthvalue instead of
9768         varying.
9769         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9770         if all visited PHI values were constant.
9771
9772 2007-01-08  Jan Hubicka  <jh@suse.cz>
9773
9774         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9775         (cgraph_analyze_function): break out from ...
9776         (cgraph_finalize_compilation_unit): ... here.
9777         (cgraph_expand_function): Remove forgoten commented out line.
9778         (cgraph_optimize): Analyze functions.
9779
9780 2007-01-08  Jan Hubicka  <jh@suse.cz>
9781
9782         * tree-pas.h (TODO_remove_function): New flag.
9783         (TODO_update*): Renumber.
9784         (pass_ipa_increase_alignment,
9785         pass_ipa_function_and_variable_visibility): New passes.
9786         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9787         (cgraph_function_and_variable_visibility): Move to ipa.c
9788         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9789         cgraph_increase_alignment.
9790         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9791         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9792         calling tree-inline.
9793         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9794         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9795         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9796         (gate_increase_alignment): New function.
9797         (pass_ipa_increase_alignment): New pass.
9798         * ipa.c: Inline tree-pass.h and timevar.h
9799         (function_and_variable_visibility): Move here from cgraphunit.c
9800         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9801         * passes.c (init_optimization_passes): Add the two new passes.
9802         (execute_todo): Handle cgraph_remove_functions.
9803
9804 2007-01-08  Nick Clifton  <nickc@redhat.com>
9805
9806         * config/frv/predicates.md (reg_or_0_operand): Accept
9807         CONST_DOUBLEs.
9808
9809 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9810
9811         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9812         * config.gcc: Add bfin*-rtems*.
9813
9814 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9815
9816         * c.opt: Add -flax-vector-conversions.
9817         * c-typeck.c (convert_for_assignment): Pass flag to
9818         vector_types_convertible_p to allow emission of note.
9819         (digest_init): Likewise.
9820         * c-opts.c: Handle -flax-vector-conversions.
9821         * c-common.c (flag_lax_vector_conversions): New.
9822         (vector_types_convertible_p): Unless -flax-vector conversions
9823         has been passed, disallow conversions between vectors with
9824         differing numbers of subparts and/or element types.  If such
9825         a conversion is disallowed, possibly emit a note on the first
9826         occasion only to inform the user of -flax-vector-conversions.
9827         The new last argument specifies this.
9828         * c-common.h (flag_lax_vector_conversions): New.
9829         (vector_types_convertible_p): Add extra argument.
9830         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9831         char_type_node for V*QI type vectors.
9832         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9833         Update to satisfy new typechecking rules.
9834         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9835         C and C++ variants.
9836         * doc/invoke.texi (C Dialect Options): Document
9837         -flax-vector-conversions.
9838
9839 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9840
9841         PR tree-optimization/29877
9842         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9843         a register variable on the RHS to not be replaceable.
9844
9845 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9846         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9847         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9848         const_simm15, const_pow2, const_npow2): Added.
9849         * config/score/misc.md (insv, extv, extzv, movmemsi,
9850         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9851         * config/score/score.c (score_address_cost, score_select_cc_mode):
9852         Added.
9853         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9854         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9855         Update score_print_operand.
9856         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9857         Adjust register allocate order and update some macro define.
9858         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9859         mdx_block_move_straight, mdx_block_move_loop_head,
9860         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9861         mdx_block_move): Added.
9862         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9863         mdp_limm): Updated and fix some bug and typo.
9864         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9865         (movsf, movdf, doloop_end): Added.
9866
9867 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9868
9869         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9870         config/arm/thumb2.md: Fix comment typos.
9871         * doc/extend.texi: Fix a typo.
9872
9873 2007-01-07  Eric Christopher  <echristo@apple.com>
9874
9875         * configure.ac: Check for __stack_chk_fail for darwin.
9876         * configure: Regenerate.
9877
9878 2007-01-07  Richard Guenther  <rguenther@suse.de>
9879
9880         * tree-vrp.c (extract_range_from_assert): CSE calls to
9881         compare_values where possible.
9882         (extract_range_from_unary_expr): Likewise.
9883
9884 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9885
9886         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9887         * config/avr/avr.c (call_insn_operand): Delete function.
9888         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9889         instead of register number. Use predicates.
9890         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9891         call_insn_operand): Add.
9892
9893 2007-01-06  Jan Hubicka  <jh@suse.cz>
9894
9895         * tree-pass.h (pass_build_cgraph_edges): Declare.
9896         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9897         (visited_nodes): Remove.
9898         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9899         build_cgrpah_edges; make visited_nodes local.
9900         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9901         (record_references_in_initializer): Move to cgraphbuild.c
9902         (initialize_inline_failed, rebuild_cgraph_edges,
9903         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9904         (verify_cgraph_node): Make visited_nodes local.
9905         (cgraph_analyze_function): Do not call cgraph_create_edges and
9906         initialize_inline_failed.
9907         (cgraph_expand_function): Do not call cgraph_lower_function;
9908         assert that function is already lowered.
9909         * Makefile.in (cgraphbuild.o): New.
9910         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9911         at the end of lowering passes.
9912
9913 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9914
9915         * ifcvt.c (cond_move_convert_if_block): New function, code
9916         factored out from...
9917         (cond_move_process_if_block): ...here.  Call the new function
9918         on the THEN and ELSE blocks.
9919         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9920         already takes care of this.
9921
9922 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9923
9924         PR c/19978
9925         * tree.h (TREE_OVERFLOW_P): New.
9926         * c-typeck.c (parser_build_unary_op): Warn only if result
9927         overflowed and operands did not.
9928         (parser_build_binary_op): Likewise.
9929         (convert_for_assignment): Remove redundant overflow_warning.
9930         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9931
9932 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9933
9934         * c-typeck.c (store_init_value): Split over two lines to follow
9935         the GNU coding style.
9936
9937 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9938
9939         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9940         __GXX_EXPERIMENTAL_CXX0X__.
9941         * doc/cpp.texi: Same.
9942
9943 2007-01-05  Richard Guenther  <rguenther@suse.de>
9944
9945         PR middle-end/27826
9946         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9947         with mismatched types.  Instead explicitly build a
9948         conversion NOP_EXPR.
9949
9950 2007-01-05  Ian Lance Taylor  <iant@google.com>
9951
9952         * c-common.c (decl_with_nonnull_addr_p): New function.
9953         (c_common_truthvalue_conversion): Call it.
9954         * c-typeck.c (build_binary_op): Likewise.
9955         * c-common.h (decl_with_nonnull_addr_p): Declare.
9956
9957 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9958
9959         PR c/30360
9960         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9961         denom against 0.0.
9962
9963 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9964
9965         * doc/install.texi (Final install): Document the fact that
9966         the GNAT runtime should not be stripped.
9967
9968 2007-01-04  Jan Hubicka  <jh@suse.cz>
9969
9970         * tree-inline.c (fold_marked_statements): Update operand caches
9971         and EH after folding
9972
9973 2007-01-04  Ian Lance Taylor  <iant@google.com>
9974
9975         * c-common.c (check_function_nonnull): Whitespace fix.
9976
9977 2007-01-04  Jan Hubicka  <jh@suse.cz>
9978
9979         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9980         comitted older version of patch.
9981         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9982         function, celanup cfg and collect garbage.
9983
9984 2007-01-04  Mike Stump  <mrs@apple.com>
9985
9986         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9987         (clean): Likewise.
9988
9989 2007-01-04  Eric Christopher  <echristo@apple.com>
9990
9991         * libgcc2.c (__bswapsi2): Use SItype.
9992         (__bswapdi2): Use DItype.
9993         * libgcc2.h: Update for above.
9994
9995 2007-01-04  Paul Brook  <paul@codesourcery.com>
9996
9997         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9998         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9999         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10000         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10001         umulsi3_highpart): Make conditional on !arm_arch6.
10002         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10003         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10004         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10005         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10006         umulsi3_highpart_v6): New insns.
10007
10008 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10009
10010         * fold-const.c (fold_convert): When casting an expression to void,
10011         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10012         have a type.  Instead of attempting to build a NOP_EXPR, return
10013         these "special" trees directly.
10014
10015 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10016
10017         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10018         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10019         rs6000_cost->fp not 0 as adjustment for outer NEG.
10020
10021 2007-01-04  Jan Hubicka  <jh@suse.cz>
10022
10023         * cgraph.c (cgraph_release_function_body): New function.
10024         (cgraph_remove_node): Use it.
10025         * cgraph.h (cgraph_release_function_body): Declare.
10026         * cgraphunit.c (cgraph_expand_function): Use it.
10027         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10028         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10029         is initialized and while compilation of other function is running.
10030         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10031         statement CFG annotations from here to ...
10032         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10033
10034 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10035
10036         * cfgloop.h (enum li_flags): Make the constants powers of two.
10037
10038 2007-01-04  Jan Hubicka  <jh@suse.cz>
10039
10040         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10041         set.
10042         (fold_marked_statements): New function.
10043         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10044         * tree-inline.h (copy_body_data): Add statements_to_fold.
10045
10046 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10047
10048         * config.gcc: Mention libgcc/config.host.
10049         * Makefile.in: Update comments mentioning libgcc.
10050         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10051         (all.cross, start.encap, rest.encap, rest.cross): Update
10052         dependencies for libgcc move.
10053         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10054         (clean-target, clean-target-libgcc): Delete.
10055         (srcdirify, GCC_EXTRA_PARTS): New macros.
10056         (libgcc-support, libgcc.mvars): New rules.
10057         (distclean): Remove mention of mklibgcc.
10058         (install): Don't reference INSTALL_LIBGCC.
10059         (install-common): Don't reference EXTRA_PARTS.
10060         (install-libgcc, install-multilib): Delete rules.
10061         * mklibgcc.in: Delete file.
10062         * doc/configfiles.texi: Don't mention mklibgcc.
10063
10064         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10065         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10066         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10067         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10068         (mklibgcc, ldblspecs): Likewise.
10069
10070         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10071         (posixpre.def): Use $(T).
10072         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10073         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10074         (SHLIB_LINK): Make dummy.
10075         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10076
10077         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10078
10079         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10080         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10081         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10082         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10083
10084         * configure.ac (all_outputs): Remove mklibgcc.
10085         * configure: Regenerated.
10086
10087 2007-01-03  Josh Conner  <jconner@apple.com>
10088
10089         PR middle-end/29683
10090         * calls.c (compute_argument_addresses): Set stack and stack_slot
10091         for partial args, too.
10092         (store_one_arg): Use locate.size.constant for the size when
10093         generating a save_area.
10094
10095 2007-01-03  Robert Kennedy <jimbob@google.com>
10096
10097         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10098         whose definitions are deleted due to basic block merging.
10099
10100 2007-01-03  Paul Brook  <paul@codesourcery.com>
10101
10102         PR target/16634
10103         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10104         functions.
10105         (use_return_insn): Return 0 for Thumb interrupt functions.
10106         (print_multi_reg): Add rfe argument for IRQ returns.
10107         (arm_output_epilogue): Pop interrupt return address directly into PC.
10108         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10109
10110 2007-01-03  Paul Brook  <paul@codesourcery.com>
10111
10112         Merge from sourcerygxx-4_1.
10113         * config/arm/thumb2.md: New file.
10114         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10115         Thumb-2.
10116         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10117         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10118         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10119         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10120         tables.
10121         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10122         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10123         comptibility.
10124         * config/arm/ieee754-sf.S: Ditto.
10125         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10126         (thumb1_base_register_rtx_p): ... to this.
10127         (thumb_index_register_rtx_p): Rename...
10128         (thumb1_index_register_rtx_p): ... to this.
10129         (thumb_output_function_prologue): Rename...
10130         (thumb1_output_function_prologue): ... to this.
10131         (thumb_legitimate_address_p): Rename...
10132         (thumb1_legitimate_address_p): ... to this.
10133         (thumb_rtx_costs): Rename...
10134         (thumb1_rtx_costs): ... to this.
10135         (thumb_compute_save_reg_mask): Rename...
10136         (thumb1_compute_save_reg_mask): ... to this.
10137         (thumb_final_prescan_insn): Rename...
10138         (thumb1_final_prescan_insn): ... to this.
10139         (thumb_expand_epilogue): Rename...
10140         (thumb1_expand_epilogue): ... to this.
10141         (arm_unwind_emit_stm): Rename...
10142         (arm_unwind_emit_sequence): ... to this.
10143         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10144         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10145         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10146         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10147         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10148         thumb2_output_casesi): New functions.
10149         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10150         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10151         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10152         THUMB2_WORK_REGS): Define.
10153         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10154         arm_condexec_mask, arm_condexec_masklen)): New variables.
10155         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10156         (arm_override_options): Check new CPU capabilities.
10157         Set new architecture flag variables.
10158         (arm_isr_value): Handle v7m interrupt functions.
10159         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10160         Thumb-2.
10161         (const_ok_for_arm): Handle Thumb-2 constants.
10162         (arm_gen_constant): Ditto.  Use movw when available.
10163         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10164         functions.
10165         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10166         (thumb_find_work_register, arm_load_pic_register,
10167         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10168         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10169         print_multi_reg, output_mov_long_double_fpa_from_arm,
10170         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10171         output_mov_double_fpa_from_arm, output_move_double,
10172         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10173         output_return_instruction, arm_output_function_prologue,
10174         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10175         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10176         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10177         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10178         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10179         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10180         '!' and 'L'.
10181         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10182         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10183         (arm_file_start): Output directive for unified syntax.
10184         (arm_unwind_emit_set): Handle stack alignment instruction.
10185         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10186         Add v6t2, v7, v7a, v7r and v7m.
10187         (RETLDM): Add Thumb-2 code.
10188         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10189         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10190         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10191         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10192         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10193         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10194         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10195         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10196         ADJUST_INSN_LENGTH): Define.
10197         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10198         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10199         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10200         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10201         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10202         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10203         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10204         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10205         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10206         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10207         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10208         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10209         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10210         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10211         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10212         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10213         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10214         cortex-m3.
10215         * config/arm/arm-tune.md: Regenerate.
10216         * config/arm/arm-protos.h: Update prototypes.
10217         * config/arm/vfp.md: Enable patterns for Thumb-2.
10218         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10219         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10220         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10221         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10222         * config/arm/libunwind.S: Add Thumb-2 code.
10223         * config/arm/constraints.md: Update include Thumb-2.
10224         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10225         * config/arm/ieee754-df.S: Ditto.
10226         * config/arm/bpabi.S: Ditto.
10227         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10228         * config/arm/predicates.md (low_register_operand,
10229         low_reg_or_int_operand, thumb_16bit_operator): New.
10230         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10231         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10232         * config/arm/t-arm-elf: Add armv7 multilib.
10233         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10234         Include thumb2.md.
10235         (UNSPEC_STACK_ALIGN, ce_count): New.
10236         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10237         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10238         insns/expanders.
10239         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10240         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10241         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10242         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10243         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10244         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10245         insns.
10246         * doc/extend.texi: Document ARMv7-M interrupt functions.
10247         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10248
10249 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10250
10251         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10252         (struct _Unwind_Context): Rename args_size to flags, remove
10253         signal_frame field, add a new args_size field and version field.
10254         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10255         _Unwind_IsExtendedContext): New inline functions.
10256         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10257         Assume by_value array is only present if _Unwind_IsExtendedContext.
10258         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10259         _Unwind_IsSignalFrame.
10260         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10261         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10262         (uw_init_context_1): Initialize context->flags to
10263         EXTENDED_CONTEXT_BIT.
10264         * config/rs6000/linux-unwind.h (frob_update_context): Use
10265         _Unwind_SetSignalFrame.
10266
10267 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10268
10269         PR middle-end/30353
10270         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10271         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10272         the value.
10273
10274 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10275
10276         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10277         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10278         RET, AT_SP): Remove.
10279         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10280         instead of RET.
10281
10282         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10283         * cfgbuild.c (find_basic_blocks): Likewise.
10284         * cfgrtl.c (rtl_create_basic_block): Likewise.
10285         * function.c (temp_slots_at_level): Likewise.
10286         * reg-stack.c (stack_regs_mentioned): Likewise.
10287         * regclass.c (allocate_reg_info): Likewise.
10288         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10289         set_bb_for_stmt, move_block_to_fn): Likewise.
10290         * tree-complex.c (tree_lower_complex): Likewise.
10291         * vec.h (VEC_safe_grow_cleared): New.
10292
10293         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10294
10295 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10296
10297         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10298         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10299         to loop_version.
10300         * cfgloopmanip.c (scale_loop_frequencies): Export.
10301         (loopify): Scale the frequencies by prescribed coefficients.
10302         (set_zero_probability): New function.
10303         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10304         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10305         and frequencies according to arguments.
10306         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10307         correctly.
10308         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10309         * modulo-sched.c (sms_schedule): Set probabilities for entering
10310         versioned loop correctly.
10311         * tree-vect-transform.c (vect_transform_loop): Ditto.
10312         * cfgloop.h (loopify, loop_version): Declaration changed.
10313         (scale_loop_frequencies): Declared.
10314
10315 2007-01-02  Jan Hubicka  <jh@suse.cz>
10316
10317         * cgraph.c: Include tree-flow.h
10318         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10319         early_local_passes.
10320         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10321         * tree-pass.h (pass_all_early_optimizations): Declare.
10322         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10323         early_local_passes.
10324         (cgraph_analyze_function): Do early_local_passes.
10325         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10326         Do not add referenced vars.
10327         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10328         SSA form.
10329         (gate_all_early_local_passes): New gate.
10330         (pass_early_local_passes): Use new gate.
10331         (execute_early_local_optimizations): New functions.
10332         (gate_all_early_optimizations): New gate.
10333         (pass_all_early_optimizations): New pass.
10334         (execute_free_datastructures): Free SSA only when initialized.
10335         (gate_init_datastructures): Init only when optimizing.
10336         (tree_lowering_passes): Do early local passes when called late.
10337         * tree-profile.c (do_tree_profiling): Don't profile functions added
10338         late.
10339         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10340         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10341         not active.
10342         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10343         during early_local_passes.
10344         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10345
10346
10347 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10348
10349         * Makefile.in: Update copyright year.
10350
10351 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10352
10353         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10354         in $(lang_checks) and check-consistency targets.
10355
10356 2007-01-02  Jan Hubicka  <jh@suse.cz>
10357
10358         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10359         Do not add referenced vars.
10360         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10361         are not active.
10362         * passes.c (init_optimization_passes): Put mudflap_2 after
10363         free_datastructures.
10364
10365 2007-01-02  Jan Hubicka  <jh@suse.cz>
10366
10367         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10368         Set NOTHROW flag on call statements proved to be nothrow.
10369         Update statement of local calls so new pure/const functions are
10370         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10371         goto receivers.
10372         (tree_rest_of_compilation): Register hooks and initialize bitmap
10373         early. Do not set after_inlining flag.
10374
10375 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10376
10377         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10378         HOST_BITS_PER_LONGLONG
10379
10380 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10381
10382         PR c/19977
10383         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10384         warning for non-static initializers.
10385
10386 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10387
10388         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10389         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10390         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10391         Always use set_unique_reg_note to add REG_EQUAL notes.
10392
10393 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10394
10395         Revert:
10396         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10397
10398         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10399         * cfgbuild.c (find_basic_blocks): Likewise.
10400         * cfgrtl.c (rtl_create_basic_block): Likewise.
10401         * function.c (temp_slots_at_level): Likewise.
10402         * reg-stack.c (stack_regs_mentioned): Likewise.
10403         * regclass.c (allocate_reg_info): Likewise.
10404         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10405         set_bb_for_stmt, move_block_to_fn): Likewise.
10406         * tree-complex.c (tree_lower_complex): Likewise.
10407         * vec.h (VEC_safe_grow_cleared): New.
10408
10409 2007-01-02  Ian Lance Taylor  <iant@google.com>
10410
10411         * c-common.c (c_common_truthvalue_conversion): When warning about
10412         using an assignment as a truth value, set TREE_NO_WARNING.
10413
10414 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10415
10416         PR middle-end/7651
10417         * c.opt (Wold-style-declaration): New.
10418         * doc/invoke.texi (C-only Warning Options): New.
10419         (Wold-style-declaration): Document it.
10420         (Wextra): Enabled by -Wextra.
10421         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10422         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10423         -Wold-style-declaration.
10424
10425 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10426
10427         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10428         * cfgbuild.c (find_basic_blocks): Likewise.
10429         * cfgrtl.c (rtl_create_basic_block): Likewise.
10430         * function.c (temp_slots_at_level): Likewise.
10431         * reg-stack.c (stack_regs_mentioned): Likewise.
10432         * regclass.c (allocate_reg_info): Likewise.
10433         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10434         set_bb_for_stmt, move_block_to_fn): Likewise.
10435         * tree-complex.c (tree_lower_complex): Likewise.
10436         * vec.h (VEC_safe_grow_cleared): New.
10437
10438 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10439
10440         * c-common.c (c_common_nodes_and_builtins): Since variants of
10441         void_type_node get built before it is given a name, we need to
10442         give those variants the name, too.
10443         (complete_array_type): We need to work with the canonical main
10444         type of the array, from which we will build the qualified version.
10445         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10446         * print-tree.c (print_node): Display canonical type information
10447         for each type.
10448         * stor-layout.c (layout_type): When we don't know the
10449         alignment of a type for which we're building an array, we end up
10450         guessing wrong, so make the type require structural equality.
10451         * tree.c (make_node_stat): When we build a new type, it is its
10452         own canonical type.
10453         (build_type_attribute_qual_variant): When building an attribute
10454         variant, its canonical type is the non-attribute variant. However,
10455         if the attributes are target-dependent and they differ, we need to
10456         use structural equality checks for this type.
10457         (build_qualified_type): A qualified type is not equivalent to its
10458         unqualified variant; set the canonical type appropriately.
10459         (build_distinct_type_copy): When building a distinct type from
10460         another type, the new type is its own canonical type.
10461         (build_variant_type_copy): When building a new type variant, we
10462         assume that it is equivalent to the original type.
10463         (build_pointer_type_for_mode): When building a pointer type, also
10464         build a canonical type pointer.
10465         (build_reference_type_for_mode): When building a reference type,
10466         also build a canonical type reference.
10467         (build_index_type): When we can't hash an index type (e.g.,
10468         because its maximum value is negative), the index type requires
10469         structural equality tests.
10470         (build_array_type): Build the canonical form of an array type.
10471         (build_function_type): Function types require structural equality,
10472         because they contain default arguments, attributes, etc.
10473         (build_method_type_directly): Ditto for method types.
10474         (build_offset_type): Build the canonical offset type.
10475         (build_complex_type): Build the canonical vector type.
10476         (make_vector_type): Build the canonical vector type.
10477         * tree.h (TYPE_CANONICAL): New.
10478         (TYPE_STRUCTURAL_EQUALITY_P): New.
10479         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10480         (struct tree_type): Added "canonical" field.
10481         * params.h (VERIFY_CANONICAL_TYPES): New.
10482         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10483         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10484         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10485         * doc/invoke.texi (verify-canonical-types): Document --param
10486         parameter for verifying canonical types.
10487
10488 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10489
10490         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10491         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10492         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10493         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10494         tm_file.
10495         * config/rs6000/e500.h: New.
10496         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10497         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10498         Remove.
10499         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10500         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10501         TARGET_E500_DOUBLE): Remove.
10502         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10503         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10504         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10505         * config/rs6000/rs6000.c (rs6000_override_options): Use
10506         CHECK_E500_OPTIONS.
10507
10508 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10509
10510         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10511         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10512         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10513         rs6000_emit_cmove): Don't check TARGET_E500.
10514         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10515         sordered): Don't check TARGET_E500.
10516
10517 2007-01-01  Eric Christopher  <echristo@apple.com>
10518
10519         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10520         HARD_REGISTER_NUM_P.
10521
10522 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10523
10524         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10525         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10526         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10527         eq/ne Y".
10528
10529 2007-01-01  Mike Stump  <mrs@apple.com>
10530
10531         * configure.ac: Remove support for building with Apple's gcc-3.1.
10532
10533 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10534
10535         PR middle-end/30311
10536         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10537         REG is a hard register.  Do not modify REG before calling
10538         subreg_nregs.
10539         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10540         multiple of the size of YMODE for certain lowpart cases.
10541
10542 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10543
10544         PR middle-end/30253
10545         * gimplify (voidify_wrapper_expr): Update for
10546         GIMPLE_MODIFY_STMT.
10547
10548 2007-01-01  Andreas Schwab  <schwab@suse.de>
10549
10550         PR target/29166
10551         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10552         save of BR0 in extra_spill_size instead of spill_size.
10553         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10554         area.
10555         (ia64_expand_epilogue): Restore BR0 from its new location.
10556
10557 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10558
10559         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10560         Use a temporary variable if the left hand side is not a gimple
10561         register.
10562
10563 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10564
10565         * gimplify.c (gimplify_return_expr): Make the temporary variable
10566         for the return expression, a gimple register variable.
10567
10568 2007-01-01  Jan Hubicka  <jh@suse.cz>
10569
10570         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10571         INSN_LIST.
10572
10573 2007-01-01  Mike Stump  <mrs@apple.com>
10574
10575         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10576         .literal16.
10577         * config/darwin.c (machopic_select_rtx_section): Use
10578         HAVE_GAS_LITERAL16.
10579         (darwin_mergeable_constant_section): Likewise.
10580         * configure: Regenerate.
10581         * config.in: Regenerate.
10582
10583 2007-01-01  Jan Hubicka  <jh@suse.cz>
10584             Andrew Pinski  <pinskia@gmail.com>
10585
10586         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10587         before starting IPA passes.