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1 2007-02-18  Eric Christopher  <echristo@gmail.com>
2
3         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4         Remove use of arglist.
5         (mips_expand_builtin): Remove use of arglist, pass in expr.
6         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7         (mips_expand_builtin_movtf): Ditto.
8         (mips_expand_builtin_compare): Ditto.
9
10 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
11
12         * tree-sra.c (sra_build_assignment): Replace assertion
13         checking with a comment explaining why it can't be done.
14
15 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
16
17         PR middle-end/30833
18         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
19         during CALL_EXPR representation conversion.
20         * tree-ssa-propagate.c (set_rhs): Likewise.
21
22 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
23
24         * tree-sra.c (sra_build_assignment): Disable assertion checking
25         for now.
26
27 2007-02-18  Roger Sayle  <roger@eyesopen.com>
28
29         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
30         instead of calling build2 with a GIMPLE_MODIFY_STMT.
31         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
32         Likewise.
33         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
34         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
35         gimplify_init_ctor_eval_range, gimple_push_cleanup,
36         gimplify_omp_for, gimplify_omp_atomic_pipeline,
37         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
38         force_gimple_operand): Likewise.
39         * ipa-cp.c (constant_val_insert): Likewise.
40         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
41         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
42         perfect_nestify): Likewise.
43         * langhooks.c (lhd_omp_assignment): Likewise.
44         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
45         lower_copyprivate_clauses, lower_send_clauses,
46         lower_send_shared_vars, expand_parallel_call,
47         expand_omp_for_generic, expand_omp_for_static_nochunk,
48         expand_omp_for_static_chunk, expand_omp_sections,
49         lower_omp_single_copy, lower_omp_for_lastprivate,
50         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
51         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
52         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
53         Likewise.
54
55 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
56
57         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
58         config/sh/sh.md: Follow spelling conventions.
59
60         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
61         config/frv/predicates.md: Follow spelling conventions.
62
63         * config/m68k/linux-unwind.h: Fix a comment typo.
64         * target.h: Follow spelling conventions.
65
66 2007-02-18  Roger Sayle  <roger@eyesopen.com>
67
68         PR rtl-optimization/28173
69         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
70         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
71         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
72         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
73         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
74
75 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
76
77         * builtins.c (fold_builtin_load_exponent): New.
78         (fold_builtin_2): Use it.
79
80 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
81
82         PR rtl-optimization/30773
83         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
84         if we fail to attach a REG_EQUIV note.
85
86 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
87             Roger Sayle  <roger@eyesopen.com>
88
89         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
90
91 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
92
93         * calls.c (initialize_argument_information): Pass original EXP
94         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
95         code to split complex arguments here, as part of initializing the
96         ARGS array.
97         (expand_call): Remove code that builds a list of arguments and
98         inserts implicit arguments into it.  Instead, just count how many
99         implicit arguments there will be so we can determine the size of
100         the ARGS array, and let initialize_argument_information do the work.
101         (split_complex_values): Delete unused function.
102
103 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
104
105         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
106
107 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
108
109         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
110         for arg pointer based indexed addressing.
111
112 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
113
114         * config/ia64/ia64.h, config/ia64/ia64.md,
115         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
116         spelling conventions.
117
118 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
119
120         * config/m68k/m68k.c (split_di): New.
121         * config/m68k/m68k-protos.h: Declare split_di.
122         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
123           Improve predicate handling and split constant shifts.
124
125 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
126
127         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
128         parameter for register bitfield operations, general predicates
129         cleanup
130
131 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
132
133         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
134         * config/m68k/linux-unwind.h: New file.
135
136 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
137
138         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
139         config/i386/athlon.md, config/ia64/ia64.md,
140         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
141         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
142         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
143         tree-ssa-loop-niter.c, tree-vect-analyze.c,
144         tree-vect-transform.c: Fix comment typos.
145
146 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
147
148         * sched-deps.c (find_insn_list): Remove.
149         * sched-int.h: Remove the prototype for find_insn_list.
150
151 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
152
153         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
154         to linker.
155         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
156         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
157         darwin_rs6000_override_options.
158         (C_COMMON_OVERRIDE_OPTIONS): Expect
159         darwin_macosx_version_min to be non-NULL always.
160         (TARGET_C99_FUNCTIONS): Likewise.
161         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
162         (DARWIN_MINVERSION_SPEC): New.
163         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
164         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
165         to cc1*.
166         (DARWIN_MINVERSION_SPEC): New.
167         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
168         value.
169         * config/darwin-c.c (darwin_cpp_builtins): Expect
170         darwin_macosx_version_min to be non-NULL always.
171
172         * config/rs6000/rs6000.c: Clean up trailing whitespace.
173
174 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
175
176         * config/i386/i386.h (x86_use_xchgb): New.
177         (TARGET_USE_XCHGB): New macro.
178         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
179         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
180         Split after reload into bswaphi for shifts of 8.
181         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
182         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
183         or when optimizing for size.
184
185 2007-02-16  Richard Guenther  <rguenther@suse.de>
186             Christian Bruel  <christian.bruel@st.com>
187
188         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
189         DECLs but prefer SSA_NAMEs over DECLs.
190
191 2007-02-16  Richard Guenther  <rguenther@suse.de>
192
193         * tree-flow-inline.h (single_imm_use_p): Remove.
194         (zero_imm_uses_p): Likewise.
195         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
196         instead of single_imm_use_p.
197         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
198         zero_imm_uses_p.
199
200 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
201
202         PR other/27843
203         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
204         nested double- and backquotes.
205
206 2007-02-15  Roger Sayle  <roger@eyesopen.com>
207
208         PR middle-end/30391
209         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
210         should be unreachable.
211         (build2_stat): Allow construction of MODIFY_EXPR at any time.
212         For the time being redirect GIMPLE_MODIFY_STMT to the new
213         (renamed) build_gimple_modify_stmt_stat.
214         (build2_gimple_stat): Rename to...
215         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
216         Always build a GIMPLE_MODIFY_STMT node.
217         * tree.h (build2_gimple, build2_gimple_stat): Delete.
218         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
219         declarations.
220
221         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
222         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
223         * tree-complex.c (set_component_ssa_name, expand_complex_move,
224         expand_complex_div_wide): Likewise.
225         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
226         * tree-ssa-loop-im.c (schedule_sm): Likewise.
227         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
228         * tree-ssa-loop-manip.c (create_iv): Likewise.
229         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
230         abs_replacement): Likewise.
231         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
232         realify_fake_stores): Likewise.
233
234         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
235         node rather than a GIMPLE_MODIFY_STMT node.
236         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
237         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
238         Likewise.
239         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
240         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
241         GIMPLE_MODIFY_STMT.
242
243 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
244
245         PR middle-end/30433
246         * fold-const.c (fold_comparison): Add back the
247         folding of constant complex comparisions.
248
249 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
250
251         PR middle-end/30729
252         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
253         effects unknown to this function, return early.
254
255 2007-02-15  Ian Lance Taylor  <iant@google.com>
256
257         * lower-subreg.c (move_eh_region_note): New static function.
258         (resolve_simple_move): Call it.
259         (decompose_multiword_subregs): Track blocks for which we resolve a
260         simple move which is also a control flow insn.  Pass them to
261         find_many_sub_basic_blocks.
262         (pass_lower_subreg): Add TODO_verify_flow.
263         (pass_lower_subreg2): Likewise.
264
265 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
266             Brooks Moses  <brooks.moses@codesourcery.com>
267             Lee Millward  <lee.millward@codesourcery.com>
268
269         * tree.h (enum tree_code_class): Add tcc_vl_exp.
270         (VL_EXP_CLASS_P): New.
271         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
272         TREE_CODE_LENGTH.
273         (TREE_OPERAND_CHECK_CODE): Likewise.
274         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
275         (TREE_RTL_OPERAND_CHECK): Likewise.
276         (tree_operand_check_failed): Make second parameter the whole tree
277         instead of its code.  Fixed callers.
278         (VL_EXP_CHECK): New.
279         (TREE_OPERAND_LENGTH): New.
280         (VL_EXP_OPERAND_LENGTH): New.
281         (CALL_EXPR_FN): New.
282         (CALL_EXPR_STATIC_CHAIN): New.
283         (CALL_EXPR_ARGS): New.
284         (CALL_EXPR_ARG): New.
285         (call_expr_nargs): New.
286         (CALL_EXPR_ARGP): New.
287         (build_nt_call_list): Declare.
288         (build_vl_exp_stat): Declare.
289         (build_vl_exp): New.
290         (build_call_list): Declare.
291         (build_call_nary): Declare.
292         (build_call_valist): Declare.
293         (build_call_array): Declare.
294         (call_expr_arg): Declare.
295         (call_expr_argp): Declare.
296         (call_expr_arglist): Declare.
297         (fold_build_call_list): Declare.
298         (fold_build_call_list_initializer): Declare.
299         (fold_call_expr): Declare to replace fold_builtin.
300         (fold_builtin_fputs): Update to agree with modified definition.
301         (fold_builtin_strcpy): Likewise.
302         (fold_builtin_strncpy): Likewise.
303         (fold_builtin_memory_chk): Likewise.
304         (fold_builtin_stxcpy_chk): Likewise.
305         (fold_builtin_strncpy_chk): Likewise.
306         (fold_builtin_next_arg): Likewise.
307         (fold_build_call_expr): Declare.
308         (fold_builtin_call_list): Declare.
309         (fold_builtin_call_valist): Declare.
310         (build_call_expr): Declare.
311         (validate_arglist): Update to agree with modified definition.
312         (tree_operand_length): New.
313         (call_expr_arg_iterator): New.
314         (init_call_expr_arg_iterator): New.
315         (next_call_expr_arg): New.
316         (first_call_expr_arg): New.
317         (more_call_expr_args_p): New.
318         (FOR_EACH_CALL_EXPR_ARG): New.
319
320         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
321         and tcc_gimple_stmt.
322         (tree_code_size): Update documentation.  Use sizeof (tree) rather
323         than sizeof (char *).
324         (tree_size): Likewise.  Add case for tcc_vl_exp.
325         (tree_node_structure): Add case for tcc_vl_exp.
326         (contains_placeholder_p): Likewise.
327         (substitute_in_expr): Likewise.
328         (substitute_placeholder_in_expr): Likewise.
329         (stabilize_reference_1): Likewise.
330         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
331         to diagnose breakage of this interface for constructing CALL_EXPRs.
332         (build_nt): Add similar assertion here.
333         (build_nt_call_list): New.
334         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
335         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
336         TREE_CODE_LENGTH.
337         (get_callee_fndecl): Use new CALL_EXPR accessors.
338         (tree_operand_check_failed): Change parameters to pass entire node
339         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
340         (process_call_operands): New.
341         (build_vl_exp_stat): New.
342         (build_call_list): New.
343         (build_call_nary): New.
344         (build_call_valist): New.
345         (build_call_array): New.
346         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
347         (call_expr_arglist): New.
348
349         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
350         tcc_vl_exp instead of a fixed-size tcc_expression.
351
352         * doc/c-tree.texi (CALL_EXPR): Document new representation and
353         accessors for CALL_EXPRs.
354         (AGGR_INIT_EXPR): Likewise.
355
356 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
357             Brooks Moses  <brooks.moses@codesourcery.com>
358             Lee Millward  <lee.millward@codesourcery.com>
359
360         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
361         (expand_builtin_nonlocal_goto): Change parameter to be entire
362         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
363         (expand_builtin_prefetch): Likewise.
364         (expand_builtin_classify_type): Likewise.
365         (mathfn_built_in): Return NULL_TREE instead of 0.
366         (expand_errno_check): Use new CALL_EXPR accessors.
367         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
368         Return NULL_RTX instead of 0.
369         (expand_builtin_mathfn_2): Likewise.
370         (expand_builtin_mathfn_3): Likewise.
371         (expand_builtin_interclass_mathfn): Likewise.
372         (expand_builtin_sincos): Likewise.
373         (expand_builtin_cexpi): Likewise.
374         (expand_builtin_int_roundingfn): Likewise.
375         (expand_builtin_int_roundingfn_2): Likewise.
376         (expand_builtin_pow): Likewise.
377         (expand_builtin_powi): Likewise.
378         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
379         of arglist, fixing callers appropriately.  Use new CALL_EXPR
380         accessors and constructors.  Return NULL_RTX instead of 0.
381         (expand_builtin_strstr): Likewise.
382         (expand_builtin_strchr): Likewise.
383         (expand_builtin_strrchr): Likewise.
384         (expand_builtin_strpbrk): Likewise.
385         (expand_builtin_memcpy): Likewise.
386         (expand_builtin_mempcpy): Likewise.
387         (expand_builtin_mempcpy_args): New.
388         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
389         (expand_builtin_memmove_args): New.
390         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
391         (expand_movstr): Likewise.
392         (expand_builtin_strcpy): Likewise.
393         (expand_builtin_strcpy_args): New.
394         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
395         (expand_builtin_strncpy): Likewise.
396         (expand_builtin_memset): Likewise.
397         (expand_builtin_memset_args): New.
398         (expand_builtin_bzero): Similarly to expand_builtin_memset.
399         (expand_builtin_memcmp): Likewise.
400         (expand_builtin_strcmp): Likewise.
401         (expand_builtin_strncmp): Likewise.
402         (expand_builtin_strcat): Likewise.
403         (expand_builtin_strncat): Likewise.
404         (expand_builtin_strspn): Likewise.
405         (expand_builtin_strcspn): Likewise.
406         (expand_builtin_args_info): Likewise.
407         (expand_builtin_va_start): Likewise.
408         (gimplify_va_arg_expr): Likewise.
409         (expand_builtin_va_end): Likewise.
410         (expand_builtin_va_copy): Likewise.
411         (expand_builtin_frame_address): Likewise.
412         (expand_builtin_alloca): Likewise.
413         (expand_builtin_bswap): Likewise.
414         (expand_builtin_unop): Likewise.
415         (expand_builtin_fputs): Likewise.
416         (expand_builtin_expect): Likewise.
417         (expand_builtin_fabs): Likewise.
418         (expand_builtin_copysign): Likewise.
419         (expand_builtin_printf): Likewise.
420         (expand_builtin_fprintf): Likewise.
421         (expand_builtin_sprintf): Likewise.
422         (expand_builtin_init_trampoline): Likewise.
423         (expand_builtin_signbit): Likewise.
424         (expand_builtin_fork_or_exec): Likewise.
425         (expand_builtin_sync_operation): Likewise.
426         (expand_builtin_compare_and_swap): Likewise.
427         (expand_builtin_lock_test_and_set): Likewise.
428         (expand_builtin_lock_release): Likewise.
429         (expand_builtin): Likewise.
430         (builtin_mathfn_code): Likewise.
431
432         (fold_builtin_constant_p): Pass call arguments individually instead
433         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
434         accessors and constructors.  Return NULL_TREE instead of 0.
435         (fold_builtin_expect): Likewise.
436         (fold_builtin_classify_type): Likewise.
437         (fold_builtin_strlen): Likewise.
438         (fold_builtin_nan): Likewise.
439         (integer_valued_real_p): Likewise.
440         (fold_trunc_transparent_mathfn): Likewise.
441         (fold_fixed_mathfn): Likewise.
442         (fold_builtin_cabs): Likewise.
443         (fold_builtin_sqrt): Likewise.
444         (fold_builtin_cbrt): Likewise.
445         (fold_builtin_cos): Likewise.
446         (fold_builtin_cosh): Likewise.
447         (fold_builtin_tan): Likewise.
448         (fold_builtin_sincos): Likewise.
449         (fold_builtin_cexp): Likewise.
450         (fold_builtin_trunc): Likewise.
451         (fold_builtin_floor): Likewise.
452         (fold_builtin_ceil): Likewise.
453         (fold_builtin_round): Likewise.
454         (fold_builtin_int_roundingfn): Likewise.
455         (fold_builtin_bitop): Likewise.
456         (fold_builtin_bswap): Likewise.
457         (fold_builtin_logarithm): Likewise.
458         (fold_builtin_hypot): Likewise.
459         (fold_builtin_pow): Likewise.
460         (fold_builtin_powi): Likewise.
461         (fold_builtin_exponent): Likewise.
462         (fold_builtin_memset): Likewise.
463         (fold_builtin_bzero): Likewise.
464         (fold_builtin_memory_op): Likewise.
465         (fold_builtin_bcopy): Deleted; call site changed to invoke
466         fold_builtin_memory_op directly.
467         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
468         (fold_builtin_strncpy): Likewise.
469         (fold_builtin_memcmp): Likewise.
470         (fold_builtin_strcmp): Likewise.
471         (fold_builtin_strncmp): Likewise.
472         (fold_builtin_signbit): Likewise.
473         (fold_builtin_copysign): Likewise.
474         (fold_builtin_isascii): Likewise.
475         (fold_builtin_toascii): Likewise.
476         (fold_builtin_isdigit): Likewise.
477         (fold_builtin_fabs): Likewise.
478         (fold_builtin_abs): Likewise.
479         (fold_builtin_fmin_fmax): Likewise.
480         (fold_builtin_carg): Likewise.
481         (fold_builtin_classify): Likewise.
482         (fold_builtin_unordered_cmp): Likewise.
483
484         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
485         New functions split out from fold_builtin_1.
486         (fold_builtin_n): New.
487         (fold_builtin_varargs): New.
488         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
489         instead.
490         (fold_call_expr): New.
491         (build_function_call_expr): Rewrite to use new helper function.
492         (fold_builtin_call_list): New.
493         (build_call_expr): New.
494         (fold_builtin_call_valist): New.
495         (rewrite_call_expr): New.
496         (validate_arg): New.
497         (validate_arglist): Change parameter to be entire CALL_EXPR instead
498         of an arglist.  Change return type to bool.  Use new CALL_EXPR
499         accessors.
500
501         (fold_builtin_strstr):  Pass call arguments individually instead
502         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
503         accessors and constructors.  Return NULL_TREE instead of 0.
504         (fold_builtin_strchr): Likewise.
505         (fold_builtin_strrchr): Likewise.
506         (fold_builtin_strpbrk): Likewise.
507         (fold_builtin_strcat): Likewise.
508         (fold_builtin_strncat): Likewise.
509         (fold_builtin_strspn): Likewise.
510         (fold_builtin_strcspn): Likewise.
511         (fold_builtin_fputs): Likewise.
512         (fold_builtin_next_arg): Likewise.
513         (fold_builtin_sprintf): Likewise.
514
515         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
516         NULL_RTX instead of 0.
517         (expand_builtin_memory_chk): Likewise.
518         (maybe_emit_chk_warning): Likewise.
519         (maybe_emit_sprintf_chk_warning): Likewise.
520
521         (fold_builtin_object_size): Pass call arguments individually instead
522         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
523         accessors and constructors.  Return NULL_TREE instead of 0.
524         (fold_builtin_memory_chk): Likewise.
525         (fold_builtin_stxcpy_chk): Likewise.
526         (fold_builtin_strncpy_chk): Likewise.
527         (fold_builtin_strcat_chk): Likewise.
528         (fold_builtin_strcat_chk): Likewise.
529         (fold_builtin_strncat_chk): Likewise.
530         (fold_builtin_sprintf_chk): Likewise.
531         (fold_builtin_snprintf_chk): Likewise.
532         (fold_builtin_printf): Likewise.
533         (fold_builtin_vprintf): Likewise.
534
535         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
536         constructors.
537         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
538         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
539         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
540         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
541         (fold_unary): Likewise.
542         (fold_binary): Likewise.
543         (fold_ternary): Remove CALL_EXPR case, since they are no longer
544         ternary expressions.
545         (fold): Add logic for tcc_vl_exp.
546         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
547         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
548         (fold_build3_stat): Add assertion to flag broken interface for
549         constructing CALL_EXPRs.
550         (fold_build_call_list): New.
551         (fold_build_call_list_initializer): New.
552         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
553         constructors.
554         (fold_strip_sign_ops): Likewise.
555
556 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
557             Brooks Moses  <brooks.moses@codesourcery.com>
558             Lee Millward  <lee.millward@codesourcery.com>
559
560         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
561         accessors and dump arguments explicitly.
562
563         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
564         TREE_CODE_LENGTH.
565         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
566         explicitly.
567         (print_call_name): Use new CALL_EXPR accessors.
568
569         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
570         CALL_EXPR arguments explicitly instead of as a list.  Use
571         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
572
573         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
574         (vrp_visit_stmt): Likewise.
575
576         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
577         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
578         TREE_CODE_LENGTH.
579         (force_move_till_expr): Likewise.
580
581         * targhooks.c (default_external_stack_protect_fail): Use
582         build_call_expr instead of build_function_call_expr.
583         (default_hidden_stack_protect_fail): Likewise.
584
585         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
586         build the call.
587
588         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
589         and walk arguments explicitly.
590
591         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
592         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
593         (expand_simple_operations): Likewise.
594         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
595
596         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
597         of TREE_CODE_LENGTH.
598         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
599
600         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
601         instead of TREE_CODE_LENGTH.
602
603         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
604         (tree_ic_transform): Likewise.
605         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
606         parameter instead of arglist.  Fix callers.
607         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
608         (tree_stringops_transform): Likewise.
609         (tree_indirect_call_to_profile): Likewise.
610         (tree_stringops_values_to_profile): Likewise.
611
612         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
613         (eliminate_tail_call): Likewise.
614
615         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
616
617         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
618         Use TREE_OPERAND_LENGTH and generalize to handle any number of
619         operands.
620         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
621
622         * omp-low.c (build_omp_barrier): Use build_call_expr.
623         (lower_rec_input_clauses): Likewise.
624         (lower_reduction_clauses): Likewise.
625         (expand_parallel_call): Likewise.
626         (maybe_catch_exception): Likewise.
627         (expand_omp_for_generic): Likewise.
628         (expand_omp_for_static_nochunk): Likewise.
629         (expand_omp_sections): Likewise.
630         (lower_omp_single_simple): Likewise.
631         (lower_omp_single_copy): Likewise.
632         (lower_omp_master): Likewise.
633         (lower_omp_ordered): Likewise.
634         (lower_omp_critical): Likewise.
635
636         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
637         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
638
639         * tree-gimple.c (is_gimple_call_addr): Fix doc.
640         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
641         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
642
643         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
644         and generalize to handle any number of operands.
645         (chrec_contains_undetermined): Likewise.
646         (tree_contains_chrecs): Likewise.
647         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
648
649         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
650
651         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
652         fold_call_expr instead of fold_builtin.
653         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
654         match declarations there.
655         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
656         updates.
657
658         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
659         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
660
661         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
662         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
663
664         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
665         accessors.
666
667         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
668         (execute_cse_sincos): Use new CALL_EXPR accessors.
669
670         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
671
672         * gimple-low.c (lower_function_body): Use build_call_expr.
673         (lower_builtin_setjmp): Likewise.
674
675         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
676         (set_storage_via_libcall): Likewise.
677         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
678         instead of TREE_CODE_LENGTH.
679         (expand_expr_real_1): Use new CALL_EXPR accessors.
680
681         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
682         generalize to handle any number of operands.
683         (TB_parent_eq): Likewise.
684
685         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
686         (strip_builtin_expect): Likewise.
687
688         * function.c (gimplify_parameters): Use build_call_expr.
689
690         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
691         instead of TREE_CODE_LENGTH.
692
693         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
694         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
695
696         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
697         iterators.
698
699         * gimplify.c (build_stack_save_restore): Use build_call_expr.
700         (gimplify_decl_expr): Likewise.
701         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
702         Use new CALL_EXPR iterators.
703         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
704         (gimplify_modify_expr_to_memset): Likewise.
705         (gimplify_variable_sized_compare): Likewise.
706         (gimplify_omp_atomic_fetch_op): Likewise.
707         (gimplify_omp_atomic_pipeline): Likewise.
708         (gimplify_omp_atomic_mutex): Likewise.
709         (gimplify_function_tree): Likewise.
710
711         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
712         (call_expr_flags): Likewise.
713         (expand_call): Likewise.
714
715         * except.c (expand_builtin_eh_return_data_regno): Pass entire
716         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
717         accessors.
718
719         * coverage.c (create_coverage): Use build_call_expr.
720
721         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
722         (temp_call_expr_obstack): New.
723         (pool_copy_list): Delete.
724         (temp_copy_call_expr): New.
725         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
726         CALL_EXPR accessors.  Get rid of special goo for copying argument
727         lists and use temp_copy_call_expr instead.
728         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
729         CALL_EXPR accessors.
730         (create_expression_by_pieces): Likewise.  Use build_call_array
731         to construct the result instead of fold_build3.
732         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
733         dealing with argument lists.
734         (init_pre): Remove references to expression_node_pool and
735         list_node_pool.  Init temp_call_expr_obstack instead.
736         (fini_pre): Remove references to expression_node_pool and
737         list_node_pool.
738
739         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
740         and walk arguments explicitly instead of as a list.
741
742         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
743         (mx_register_decls): Likewise.
744         (mudflap_register_call): Likewise.
745         (mudflap_finish_file): Likewise.
746
747         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
748         (ipa_callsite_compute_param): Likewise.
749
750         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
751         accessors and constructor.
752
753         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
754         accessors and constructor.
755         (convert_tramp_reference): Likewise.
756         (convert_call_expr): Likewise.
757         (finalize_nesting_tree_1): Likewise.
758
759         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
760         accessors.
761
762         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
763
764         * tree-inline.c (initialize_inlined_parameters): Pass entire
765         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
766         accessors.
767         (estimate_num_insns_1): Use new CALL_EXPR accessors.
768         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
769
770         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
771         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
772         (vectorizable_reduction): Likewise.
773         (vectorizable_call): Use new CALL_EXPR iterators.
774         (vectorizable_conversion): Use build_call_expr.
775         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
776         (vect_gen_widened_results_half): Use build_call_expr.
777         (vect_setup_realignment): Likewise.
778         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
779
780         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
781         (pass_through_call): Likewise.
782         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
783         fold_builtin.
784
785         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
786         (tree_gen_pow2_profiler): Likewise.
787         (tree_gen_one_value_profiler): Likewise.
788         (tree_gen_ic_func_profiler): Likewise.
789         (tree_gen_average_profiler): Likewise.
790         (tree_gen_ior_profiler): Likewise.
791
792         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
793         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
794         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
795
796         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
797         of TREE_CODE_LENGTH.
798
799         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
800         of TREE_CODE_LENGTH.
801
802         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
803         constructor.
804         (convert_to_integer): Likewise.
805
806         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
807         accessors.
808
809 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
810             Brooks Moses  <brooks.moses@codesourcery.com>
811             Lee Millward  <lee.millward@codesourcery.com>
812
813         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
814         accessors.
815         * config/frv/frv.c (frv_expand_builtin): Likewise.
816         * config/s390/s390.c (s390_expand_builtin): Likewise.
817
818         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
819         (sparc_expand_builtin): Use new CALL_EXPR accessors.
820
821         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
822         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
823         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
824         (ix86_expand_store_builtin): Likewise.
825         (ix86_expand_unop_builtin): Likewise.
826         (ix86_expand_unop1_builtin): Likewise.
827         (ix86_expand_sse_compare): Likewise.
828         (ix86_expand_sse_comi): Likewise.
829         (ix86_expand_vec_init_builtin): Likewise.
830         (ix86_expand_vec_ext_builtin): Likewise.
831         (ix86_expand_vec_set_builtin): Likewise.
832         (ix86_expand_builtin): Use new CALL_EXPR accessors.
833
834         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
835         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
836
837         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
838         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
839         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
840
841         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
842         build_call_expr.
843         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
844         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
845         arglist.  Use new CALL_EXPR accessors.  Fix callers.
846         (altivec_expand_abs_builtin): Likewise.
847         (rs6000_expand_binop_builtin): Likewise.
848         (altivec_expand_predicate_builtin): Likewise.
849         (altivec_expand_lv_builtin): Likewise.
850         (spe_expand_stv_builtin): Likewise.
851         (altivec_expand_stv_builtin): Likewise.
852         (rs6000_expand_ternop_builtin): Likewise.
853         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
854         (altivec_expand_st_builtin): Likewise.
855         (altivec_expand_dst_builtin): Likewise.
856         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
857         arglist.  Use new CALL_EXPR accessors.  Fix callers.
858         (altivec_expand_vec_set_builtin): Likewise.
859         (altivec_expand_vec_ext_builtin): Likewise.
860         (altivec_expand_builtin): Use new CALL_EXPR accessors.
861         (spe_expand_builtin): Likewise.
862         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
863         arglist.  Use new CALL_EXPR accessors.  Fix callers.
864         (spe_expand_evsel_builtin): Likewise.
865         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
866         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
867
868         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
869         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
870         (arm_expand_unop_builtin): Likewise.
871         (arm_expand_builtin): Use new CALL_EXPR accessors.
872
873         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
874         accessors.
875
876         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
877         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
878         (bfin_expand_unop_builtin): Likewise.
879         (bfin_expand_builtin): Use new CALL_EXPR accessors.
880
881 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
882             Brooks Moses  <brooks.moses@codesourcery.com>
883             Lee Millward  <lee.millward@codesourcery.com>
884
885         * c-semantics.c (build_stmt): Add internal diagnostic check.
886
887         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
888         accessors.  Print arguments explicitly instead of as a list.
889
890         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
891
892         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
893         (c_finish_omp_flish): Likewise.
894
895         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
896         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
897         instead of TREE_CODE_LENGTH.
898         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
899         (c_warn_unused_result): Likewise.
900
901 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
902
903         PR c/26494
904         * doc/invoke.texi (Warning Options): Remove
905         -Werror-implicit-function-declaration.
906         (Wimplicit-function-declaration): Update description.
907         * opts.c (common_handle_option): Move handling of -Werror=* to...
908         (enable_warning_as_error): ...here.
909         * opts.h (enable_warning_as_error): Declare.
910         * c-decl.c (implicit_decl_warning): Unless
911         -Wno-implicit-function-declaration is given, emit a pedwarn if
912         -std=c99 or emit a warning if -Wimplicit-function-declaration.
913         * c.opt (Wimplicit-function-declaration): Replace
914         mesg_implicit_function_declaration with
915         warn_implicit_function_declaration.
916         * c-opts.c (c_common_handle_option):
917         -Werror-implicit-function-declaration is exactly equal as
918         -Werror=implicit-function-declaration.
919         (set_Wimplicit): Replace mesg_implicit_function_declaration with
920         warn_implicit_function_declaration.
921         (c_common_post_options): -Wimplict-function-declaration is enabled
922         by default by -std=c99, otherwise is disabled by default.
923         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
924
925 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
926
927         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
928         DECL on the rhs to a DECL on the lhs for debug info purposes if the
929         former is ignored but not the latter.
930
931 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
932
933         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
934         is made and the reference doesn't use the alias set of its type,
935         do not create the temporary using that type.
936
937 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
938
939         * jump.c: Remove prototypes for delete_computation and
940         delete_prior_computation.
941
942 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
943
944         * jump.c (get_label_after): Delete.
945         (get_label_before, delete_computation, delete_jump,
946         delete_prior_computation, follow_jumps): Move...
947         * reorg.c (delete_computation, delete_prior_computation): ... here...
948         (get_label_before, delete_jump): ... making these static ...
949         (follow_jumps): ... and simplifying this since it only runs after
950         reload.
951         * rtl.h (get_label_after, get_label_before, delete_jump,
952         follow_jumps): Delete prototypes.
953
954 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
955
956         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
957
958 2007-02-15  Nick Clifton  <nickc@redhat.com>
959
960         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
961         order to prevent it from being munged by the target.
962
963 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
964
965         * config/i386/i386.md: Remove misleading comment.
966
967 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
968
969         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
970         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
971         invalid patterns.
972
973 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
974
975         * tree-sra.c (instantiate_missing_elements): Canonicalize
976         bit-field types.
977         (sra_build_assignment): New.
978         (generate_copy_inout, generate_element_copy,
979         generate_element_zero, generate_one_element_init): Use it.
980
981 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
982
983         * tree-sra.c (instantiate_missing_elements): Canonicalize
984         bit-field types.
985         (sra_build_assignment): New.
986         (generate_copy_inout, generate_element_copy,
987         generate_element_zero, generate_one_element_init): Use it.
988
989 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
990
991         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
992         limbo die nodes.
993
994 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
995
996         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
997         types as aggregates not scalars.
998         * function.c (assign_stack_temp_for_type): Likewise.
999
1000 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1001             Zdenek Dvorak  <dvorakz@suse.cz>
1002
1003         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1004         name.
1005
1006 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1007
1008         * passes.c (next_pass_1): Clear the next field of the copied
1009         pass structure.
1010
1011 2007-02-14  Richard Henderson  <rth@redhat.com>
1012
1013         * tree-sra.c (early_sra): New.
1014         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1015         (tree_sra_early, pass_sra_early): New.
1016         * tree-pass.h (pass_sra_early): Declare.
1017         * passes.c (init_optimization_passes): Use it.
1018
1019 2007-02-14  Richard Guenther  <rguenther@suse.de>
1020
1021         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1022
1023 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1024
1025          PR tree-optimization/30771
1026         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1027         also phi nodes.
1028         (vect_analyze_operations): Induction phis can now be marked as
1029         used_in_loop.
1030         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1031         Update documentation accordingly.
1032
1033 2007-02-14  Nick Clifton  <nickc@redhat.com>
1034
1035         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1036         most 3 arguments are supported.
1037         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1038
1039 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1040
1041         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1042         Ensure dst->current is valid.
1043
1044 2007-02-13  Paul Brook  <paul@codesourcery.com>
1045
1046         * config.gcc: Add arm*-*-uclinux-*eabi.
1047         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1048         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1049         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1050         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1051         (LINK_SPEC): Define.
1052         (LIB_SPEC): Define.
1053         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1054         register.
1055         * config/arm/uclinux-eabi.h: New file.
1056         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1057         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1058         based targets.
1059
1060 2007-02-13  Ian Lance Taylor  <iant@google.com>
1061
1062         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1063         * flags.h (warn_strict_overflow): Declare.
1064         (enum warn_strict_overflow_code): Define.
1065         (issue_strict_overflow_warning): New static inline function.
1066         * opts.c (warn_strict_overflow): New variable.
1067         (common_handle_option): Handle OPT_Wstrict_overflow and
1068         OPT_Wstrict_overflow_.
1069         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1070         OPT_Wall.
1071         * fold-const.c: Include intl.h.
1072         (fold_deferring_overflow_warnings): New static variable.
1073         (fold_deferred_overflow_warning): New static variable.
1074         (fold_deferred_overflow_code): New static variable.
1075         (fold_defer_overflow_warnings): New function.
1076         (fold_undefer_overflow_warnings): New function.
1077         (fold_undefer_and_ignore_overflow_warnings): New function.
1078         (fold_deferring_overflow_warnings_p): New function.
1079         (fold_overflow_warning): New static function.
1080         (make_range): Add strict_overflow_p parameter.  Change all
1081         callers.
1082         (extract_muldiv, extract_muldiv_1): Likewise.
1083         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1084         tree_expr_nonnegative_p.
1085         (fold_negate_expr): Call fold_overflow_warning.
1086         (fold_range_test): Likewise.
1087         (fold_comparison): Likewise.
1088         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1089         instead of tree_expr_nonnegative_p.
1090         (tree_expr_nonnegative_warnv_p): Rename from
1091         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1092         (tree_expr_nonnegative_p): New function.
1093         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1094         strict_overflow_p parameter.
1095         (tree_expr_nonzero_p): New function.
1096         * passes.c (verify_interpass_invariants): New static function.
1097         (execute_one_pass): Call it.
1098         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1099         warnings.
1100         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1101         (estimate_numbers_of_iterations): Likewise.
1102         (scev_probably_wraps_p): Likewise.
1103         * tree-ssa-ccp.c: Include "toplev.h".
1104         (evaluate_stmt): Defer fold overflow warnings until we know we are
1105         going to optimize.
1106         (struct fold_stmt_r_data): Add stmt field.
1107         (fold_stmt_r): Defer fold overflow warnings until we know we
1108         optimized.
1109         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1110         (fold_stmt_inplace): Likewise.
1111         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1112         (cleanup_control_expr_graph): Defer fold overflow warnings until
1113         we know we are going to optimize.
1114         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1115         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1116         Likewise.
1117         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1118         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1119         * tree-ssa-loop-manip.c (create_iv): Likewise.
1120         * c-typeck.c (build_conditional_expr): Likewise.
1121         (build_binary_op): Likewise.
1122         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1123         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1124         (extract_range_from_unary_expr): Likewise.
1125         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1126         assuming that signed overflow does not occur.
1127         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1128         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1129         (fold_defer_overflow_warnings): Declare.
1130         (fold_undefer_overflow_warnings): Declare.
1131         (fold_undefer_and_ignore_overflow_warnings): Declare.
1132         (fold_deferring_overflow_warnings_p): Declare.
1133         (tree_expr_nonzero_warnv_p): Declare.
1134         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1135         of warning options.
1136         (Warning Options): Document -Wstrict-overflow.
1137         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1138         (tree-ssa-ccp.o): Likewise.
1139         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1140         (fold-const.o): Depend on intl.h.
1141
1142 2007-02-13  Ian Lance Taylor  <iant@google.com>
1143
1144         PR middle-end/30751
1145         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1146         addresses.
1147
1148 2007-02-13  Stuart Hastings  <stuart@apple.com>
1149
1150         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1151
1152 2007-02-13  Richard Henderson  <rth@redhat.com>
1153
1154         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1155         handled_component_p before looking for the indirect_ref.
1156
1157 2007-02-13  Richard Henderson  <rth@redhat.com>
1158
1159         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1160         remove flags clobber.
1161         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1162         (bswaphi_lowpart): New.
1163         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1164         remove TARGET_BSWAP test.  Delete expander of the same name.
1165
1166         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1167         (expand_unop): Use them.
1168
1169 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1170
1171         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1172         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1173         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1174         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1175         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1176         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1177         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1178         assembler dialect choice from asm templates.
1179
1180 2007-02-12  Richard Henderson  <rth@redhat.com>
1181
1182         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1183         (fixuns_trunc<SSEMODEF>si2): Use it.
1184         * config/i386/sse.md (vec_setv4sf_0): Export.
1185         * config/i386/i386.c (ix86_build_const_vector): Export.
1186         (ix86_split_convert_uns_si_sse): Rename from
1187         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1188         * config/i386/i386-protos.h: Update.
1189
1190 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1191
1192         PR c/29521
1193         * c-typeck.c (c_finish_return): Improve warning message.
1194
1195 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1196
1197         * alias.c (find_symbolic_term): Delete unused function.
1198
1199 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1200
1201         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1202         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1203         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1204
1205 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1206
1207         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1208         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1209         the function, temporarily point the debug interface to the null one.
1210
1211 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1212
1213         * dwarf2out.c (round_up_to_align): New static function.
1214         (field_byte_offset): Use it to round the offset.
1215
1216 2007-02-12  Richard Henderson  <rth@redhat.com>
1217
1218         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1219         (inswl_const): Export.
1220
1221 2007-02-12  Richard Henderson  <rth@redhat.com>
1222
1223         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1224         result mode of the libcall, convert back to outmode.
1225
1226 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1227
1228         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1229         (bswapdi2): New define_expand to implement 32-bit implementation.
1230
1231 2007-02-12  Nick Clifton  <nickc@redhat.com>
1232
1233         * doc/invoke.texi (Overall Options): Document --help=.
1234         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1235         (cc1_options): Pass --help= on to cc1.
1236         (display_help): Add description of --help=.
1237         (process_command): Add code to handle --help=.  Allow translated
1238         --help and --target-help switches to be passed on to compiler
1239         sub-process.
1240         (main): Remove unused if statement.
1241         * opts.c (columns): Remove.
1242         (LEFT_COLUMN): Define.
1243         (wrap_help): Add columns argument.
1244         (print_filtered_help): Change parameters to be an include bitmask,
1245         an exclude bitmask, an any bitmask and the column width.  Move the
1246         code to display the params list here.  Add code to display the
1247         status of options rather than their descriptions if the quiet flag
1248         is not active.
1249         (print_specific_help): Change parameters to be an include bitmask,
1250         an exclude bitmask and an any bitmask.  Move code to look up the
1251         column width here.  Decide upon the title for an options listing.
1252         (common_handle_options): Add code to handle --help=.  Adapt code
1253         for --help and --target-help to use the revised form of the
1254         print_specific_help function.
1255         (print_help): Delete.
1256         (print_param_help): Delete.
1257         (print_switch): Delete.
1258         * opts.h (cl_lang_count): Add prototype.
1259         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1260         CL_MAX_OPTION_CLASS): New defines.
1261         * optc-gen.awk: Add construction of cl_lang_count.
1262         * c.opt: Add Warning attribute to warning options and Optimization
1263         attribute to optimization options.
1264         * common.opt: Likewise.
1265         Add --help=.
1266         Add -fhelp and -ftarget-help as aliases for the transformed --help
1267         and --target-help options.
1268         * opt-functions.awk: Add code to handle Warning and Optimization
1269         attributes.
1270
1271 2007-02-12  Richard Henderson  <rth@redhat.com>
1272
1273         * config/alpha/constraints.md: New file.
1274         * config/alpha/alpha.c: Include tm-constrs.h.
1275         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1276         alpha_extra_constraint): Remove.
1277         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1278         * config/alpha/alpha-protos.h: Update.
1279         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1280         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1281         (EXTRA_CONSTRAINT): Remove.
1282         * config/alpha/alpha.md: Include constraints.md.
1283         (adddi splitter): Use satisfies_constraint_*.
1284         * config/alpha/predicates.md (add_operand): Likewise.
1285         (sext_add_operand, addition_operation): Likewise.
1286
1287 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1288
1289         PR tree-optimization/29145
1290         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1291         in our handling of restrict qualified pointers.
1292
1293 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1294
1295         PR middle-end/7651
1296         * doc/invoke.texi (Wunused-value): Update description.
1297         (Wextra): Delete item.
1298         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1299         value of Wunused-value.
1300         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1301         (c_finish_stmt_expr): Don't check extra_warnings.
1302         (emit_side_effect_warnings): The caller is responsible to check
1303         warn_unused_value.
1304
1305 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1306             Matt Thomas  <matt@3am-software.com>
1307
1308         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1309
1310 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1311
1312         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1313         comparisons of POPCOUNT against zero.
1314         (simplify_const_relational_operation): Likewise.
1315
1316 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1317
1318         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1319
1320 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1321
1322         * dwarf2out.c (root_type): Delete unused function.
1323
1324 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1325
1326         * genattrtab.c (contained_in_p): Delete unused function.
1327         (write_expr_attr_cache): Likewise.
1328
1329 2007-02-11  Jan Hubicka  <jh@suse.cz>
1330
1331         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1332         previous patch.
1333
1334 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1335
1336         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1337         to add the REG_EQ* note.
1338         * see.c (see_merge_one_use_extension): Likewise.
1339         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1340         turn REG_EQUAL notes into REG_EQUIV notes if the target
1341         register may have more than one set.
1342         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1343         * gcse.c (try_replace_reg): Likewise.
1344         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1345         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1346         more than one REG_EQUIV note.
1347         * reload1.c (gen_reload): Use set_unique_reg_note.
1348
1349 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1350
1351         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1352         (ix86_builtin_conversion): New function.
1353
1354 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1355
1356         PR target/29487
1357         * tree.h (DECL_REPLACEABLE_P): New macro.
1358         * except.c (set_nothrow_function_flags): Likewise.
1359
1360 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1361             Ira Rosen  <irar@il.ibm.com>
1362             Dorit Nuzman  <dorit@il.ibm.com>
1363
1364         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1365         * targhooks.c (default_builtin_vectorized_conversion): New.
1366         * targhooks.h (default_builtin_vectorized_function): New declaration.
1367         * target.h (struct vectorize): Add builtin_conversion field.
1368         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1369         stmt_vec_info_type value.
1370         (vectorizable_conversion): New declaration.
1371         * tree-vect-analyze.c (vect_analyze_operations): Add
1372         vectorizable_conversion call.
1373         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1374         * tree-vect-transform.c (vectorizable_conversion): New function.
1375         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1376         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1377         mode.
1378         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1379         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1380         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1381         or ALTIVEC_BUILTIN_VCFSX.
1382
1383 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1384
1385         PR target/30634
1386         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1387         CONST_DOUBLE and operand 0 is a hard register.
1388         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1389         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1390         is a hard floating-point register.
1391
1392 2007-02-10  Richard Henderson  <rth@redhat.com>
1393             Jakub Jelinek  <jakub@redhat.com>
1394             Alexandre Oliva  <aoliva@redhat.com>
1395
1396         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1397         * builtin-types.def (BT_WORD): Make unsigned.
1398         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1399         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1400         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1401         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1402         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1403         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1404         emulated tls.
1405         * expr.c (emutls_var_address): New.
1406         (expand_expr_real_1): Expand emulated tls.
1407         (expand_expr_addr_expr_1): Likewise.
1408         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1409         * output.h (emutls_finish): Declare.
1410         * toplev.c (compile_file): Call it.
1411         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1412         address before wrapping in CONST.
1413         * varasm.c (emutls_htab, emutls_object_type): New.
1414         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1415         (get_emutls_object_name, get_emutls_object_type): New.
1416         (get_emutls_init_templ_addr, emutls_decl): New.
1417         (emutls_common_1, emutls_finish): New.
1418         (assemble_variable): When emulating tls, swap decls; generate
1419         constructor for the emutls objects.
1420         (do_assemble_alias): When emulating tls, swap decl and target name.
1421         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1422         for emulated tls.
1423         * varpool.c (decide_is_variable_needed): Look at force_output.
1424         Recurse for emulated tls.
1425         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1426         with decide_is_variable_needed.
1427         * emutls.c: New file.
1428         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1429         tls_object for real tls.
1430
1431 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1432
1433         PR rtl-optimization/29599
1434         * reload1.c (eliminate_regs_in_insn): Take the destination
1435         mode into account when computing the offset.
1436
1437 2007-02-09  Stuart Hastings  <stuart@apple.com>
1438             Richard Henderson  <rth@redhat.com>
1439
1440         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1441         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1442         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1443         fixuns_truncdfhi2): New.
1444         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1445         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1446         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1447         (floatunssidf2): Allow nonimmediate source.
1448         * gcc/config/i386/sse.md (movdi_to_sse): New.
1449         (vec_concatv2di): Drop '*'.
1450         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1451         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1452         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1453         New.
1454         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1455         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1456         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1457         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1458         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1459         ix86_build_const_vector.
1460         (x86_emit_floatuns): Rewrite.
1461
1462 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1463
1464         * genautomata.c (longest_path_length): Delete unused function.
1465         (struct state): Delete unused longest_path_length.
1466         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1467         (get_free_state): Delete unused.
1468
1469 2007-02-09  Jan Hubicka  <jh@suse.cz>
1470
1471         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1472         * doc/invoke.texi (inline-unit-growth): Update default value.
1473
1474         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1475         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1476         (rebuild_cgraph_edges): Likewise.
1477         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1478         (dump_cgraph_node): Dump frequencies.
1479         (cgraph_clone_edge): Add frequency scales.
1480         (cgraph_clone_node): Add freuqnecy.
1481         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1482         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1483         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1484         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1485         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1486         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1487         (save_inline_function_body): Likewise.
1488         * ipa-inline.c: inluce rtl.h
1489         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1490         (cgraph_edge_badness): Use frequencies.
1491         (cgraph_decide_recursive_inlining): Update clonning.
1492         (cgraph_decide_inlining_of_small_function): Dump frequency.
1493         * predict.c (estimate_bb_frequencies): Export.
1494         * predict.h (estimate_bb_frequencies): Declare.
1495         * tree-inline.c (copy_bb): Watch overflows.
1496         (expand_call_inline): Update call of cgraph_create_edge.
1497         (optimize_inline_calls): Use TODO flags to update frequnecies.
1498         * passes.h: Include predict.h
1499         (init_optimization_passes): Move profile ahead.
1500         (execute_function_todo): Handle TODO_rebuild_frequencies.
1501
1502 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1503
1504         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1505         the insbl or inswl pattern into a register.
1506
1507 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1508
1509         * config/ia64/ia64.md (bswapdi2): New define_insn.
1510
1511 2007-02-09  Richard Henderson  <rth@redhat.com>
1512
1513         * config/i386/constraints.md (Ym): New constraint.
1514         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1515         (movdi_1_rex64): Split sse and xmm general register moves from
1516         memory move alternatives.  Use conditional register constraints.
1517         (movsf_1, movdf_integer): Likewise.
1518         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1519         (movdf_integer_rex64): New.
1520         (pushsf_rex64): Fix output constraints.
1521         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1522         (sse2_stored): Likewise.
1523         (sse2_storeq_rex64): New.
1524         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1525         amd and not generic.
1526         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1527         for optimize_size.  Remove SF/DFmode hack.
1528
1529 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1530
1531         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1532         (bit_SSE4a): New.
1533
1534 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1535             Richard Sandiford  <richard@codesourcery.com>
1536
1537         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1538         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1539         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1540         m68k/t-mlib to tmake_file.
1541         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1542         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1543         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1544         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1545         variable is not empty, add t-$m68k_arch_family to tmake_file.
1546         Add t-mlibs to tmake_file.
1547         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1548         * config/m68k/t-cf: New file.
1549         * config/m68k/t-m68k: Likewise.
1550         * config/m68k/t-mlibs: Likewise.
1551         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1552         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1553         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1554         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1555         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1556         Delete.
1557         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1558         (INSTALL_LIBGCC): Delete.
1559         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1560         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1561         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1562         (M68K_MLIB_CPU): Define.
1563         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1564         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1565         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1566
1567 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1568             Richard Guenther  <rguenther@suse.de>
1569
1570         PR middle-end/23361
1571         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1572         against INT_MIN/INT_MAX.
1573         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1574         file if a loop is removed.
1575
1576 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1577
1578         * calls.c (store_one_arg): Pass correct alignment to
1579         emit_push_insn for non-BLKmode values.
1580         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1581         unaligned stack slot via a suitably aligned slot.
1582
1583 2007-02-08  DJ Delorie  <dj@redhat.com>
1584
1585         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1586         warnings.
1587         (legal_subregs): Use unsigned char, make const.
1588         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1589
1590 2007-02-08  Paul Brook  <paul@codesourcery.com>
1591
1592         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1593         special interworking needed.
1594
1595 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1596
1597         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1598         conditional to __SSE2__.
1599         (Entries below should have been added to first ChangeLog
1600         entry for amdfam10 dated 2007-02-05)
1601         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1602         defined.
1603         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1604         defined.
1605         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1606         defined.
1607
1608 2007-02-08  DJ Delorie  <dj@redhat.com>
1609
1610         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1611         * config/m32c/m32c.c (legal_subregs): New.
1612         (m32c_illegal_subreg_p): New.
1613         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1614         unsupported subregs of hard regs.
1615
1616 2007-02-08  Jan Hubicka  <jh@suse.cz>
1617
1618         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1619         the same one; always update histograms.
1620
1621 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1622
1623         * passes.c (init_optimization_passes): Tidy comment.
1624
1625 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1626
1627         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1628         strip zero_extend, bswap and rotates from POCOUNT's argument.
1629         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1630         zero_extend and rotates from PARITY's argument.
1631         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1632         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1633         of an integer constant at compile-time.
1634
1635 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1636
1637         PR 30562
1638         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1639         Update all users.
1640         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1641         users.
1642         (init_alias_info):
1643         * tree-ssa-live.c (remove_unused_locals): Do not remove
1644         TREE_ADDRESSABLE variables.
1645         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1646         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1647         FOR_CLOBBER.  Update all users.
1648         If VAR has an associated alias set, add a virtual operand for
1649         it if no alias is found to conflict with the memory reference.
1650
1651 2007-02-07  Jan Hubicka  <jh@suse.cz>
1652             Robert Kidd <rkidd@crhc.uiuc.edu>
1653
1654         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1655
1656 2007-02-07  Ian Lance Taylor  <iant@google.com>
1657
1658         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1659
1660 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1661
1662         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1663         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1664         tablejumpdi, movsi_to_cr_one): Remove constraints from
1665         define_expand's match_operands.
1666
1667 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1668
1669         * global.c (compute_regsets): Move declatation of "i" inside of
1670         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1671
1672 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1673
1674         PR c++/30703
1675         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1676         of INDIRECT_REF <RESULT_DECL>.
1677
1678         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1679
1680 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1681             Kaz Kojima  <kkojima@gcc.gnu.org>
1682
1683         PR target/29746
1684         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1685         properly.
1686         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1687
1688 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1689
1690         * doc/loop.texi: Document possibility not to perform disambiguation
1691         of loops with multiple latches.
1692         * cfgloopmanip.c (alp_enum_p): Removed.
1693         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1694         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1695         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1696         the new forwarder block.
1697         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1698         Handle the case latch is NULL.
1699         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1700         when marking loop exits.
1701         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1702         be modified.
1703         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1704         disambiguate_loops_with_multiple_latches.
1705         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1706         before fix_loop_structure.
1707         * cfgloop.c: Include pointer-set.h and output.h.
1708         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1709         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1710         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1711         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1712         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1713         disambiguate_multiple_latches, get_loop_body_with_size,
1714         disambiguate_loops_with_multiple_latches): New functions.
1715         (flow_loop_dump): Dump multiple latch edges.
1716         (flow_loop_nodes_find): Handle loops with multiple latches.
1717         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1718         (glb_enum_p): Modified.
1719         (get_loop_body): Use get_loop_body_with_size.
1720         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1721         (AVOID_CFG_MODIFICATIONS): New constant.
1722         (disambiguate_loops_with_multiple_latches, add_loop,
1723         get_loop_body_with_size): Declare.
1724         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1725
1726 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1727
1728         PR inline-asm/28686
1729         * global.c (compute_regsets): New function.
1730         (global_alloc): Refactored ELIMINABLE_REGSET
1731         and NO_GLOBAL_ALLOC_REGS computation out.
1732         (rest_of_handle_global_alloc): Call compute_regsets()
1733         for non-optimizing case.
1734
1735 2007-02-06  Richard Henderson  <rth@redhat.com>
1736
1737         * config/i386/constraints.md (Y2): Rename from Y.
1738         (Yi): New constraint.
1739         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1740         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1741         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1742         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1743         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1744         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1745         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1746         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1747         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1748         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1749         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1750         vec_extractv2si_1): Change Y constraints to Y2.
1751         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1752         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1753         Change Y constraints to Y2.
1754         (sse2_loadld): Change Y constraints to x.
1755
1756 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1757
1758         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1759         (parity<mode>2): New define_expand using rs6000_emit_parity.
1760         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1761         rs6000_emit_parity): New functions.
1762         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1763         rs6000_emit_parity): Prototype here.
1764
1765 2007-02-06  Ian Lance Taylor  <iant@google.com>
1766
1767         * lower-subreg.c (simple_move_operand): Reject CONST.
1768         (resolve_clobber): Call validate_change rather than directly
1769         assigning to XEXP (pat, 0).
1770
1771 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1772
1773         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1774         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1775         (tree-cfg.o): Remove hashtab.h dependency.
1776
1777         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1778         (struct ivopts_data): Change niters to pointer_map_t.
1779         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1780         (niter_for_exit): Create pointer_map on demand.  Change for
1781         pointer_map API.
1782         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1783         (free_loop_data): Destroy data->niters if created and reset field.
1784         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1785         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1786
1787         * tree-ssa-reassoc.c: Include pointer-set.h.
1788         (bb_rank): Change to long *.
1789         (operand_rank): Change to pointer_map_t.
1790         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1791         (insert_operand_rank): Accept long.
1792         (operand_entry_hash, operand_entry_eq): Remove.
1793         (get_rank): Return long.  Adjust for changes above.
1794         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1795         and operand_rank.
1796         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1797
1798         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1799         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1800         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1801         is not NULL.
1802         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1803         directly since it cannot be NULL.
1804         (get_vi_for_tree): Rewrite for pointer_map API.
1805         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1806         (init_alias_vars): Create vi_for_tree as pointer_map.
1807         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1808
1809         * tree-cfg.c: Don't include hashtab.h.
1810         (edge_to_cases): Declare as pointer_map.
1811         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1812         Delete.
1813         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1814         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1815         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1816         destroying it.
1817         (record_switch_edge): Delete.
1818         (get_cases_for_edge): Adjust for pointer_map API, inline
1819         record_switch_edge (rewritten for new API), remove goto.
1820
1821 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1822
1823         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1824         * tree-nested.c: Include pointer-set.h.
1825         (var_map_elt, var_map_eq, var_map_hash): Delete.
1826         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1827         to pointer_map_t's.
1828         (nesting_info_bitmap_obstack): New.
1829         (lookup_field_for_decl): Adjust for pointer_map API.
1830         (lookup_tramp_for_decl): Adjust for pointer_map API.
1831         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1832         (get_local_debug_decl): Adjust for pointer_map API.
1833         (convert_nl_goto_reference): Adjust for pointer_map API.
1834         (convert_nl_goto_receiver): Adjust for pointer_map API.
1835         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1836         the new obstack.  Create field_map and var_map as pointer_maps.
1837         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1838         (root): Delete.
1839         (lower_nested_functions): Move root here, no need to NULL it.
1840         Initialize and release the obstack.
1841
1842 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1843
1844         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1845         Remove prototypes and make them non-static.
1846         (struct tree_int_map): Remove.
1847         * tree.h (struct tree_int_map): Move here, turning TO into an
1848         unsigned int.
1849         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1850
1851         * tree.h (TREE_COMPLEXITY): Remove.
1852         (struct tree_exp): Remove complexity field.
1853         * tree.c (build1_stat): Don't set it.
1854
1855 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1856             Victor Kaplansky  <victork@il.ibm.com>
1857
1858         * tree-vectorizer.c (vect_is_simple_use): Support induction.
1859         (vect_is_simple_reduction): Support reduction with induction as
1860         one of the operands.
1861         (vect_is_simple_iv_evolution): Fix formatting.
1862         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1863         formatting.  Don't mark induction phis for vectorization.
1864         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1865         * tree-vect-transform.c (get_initial_def_for_induction): New function.
1866         (vect_get_vec_def_for_operand): Support induction.
1867         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1868         induction case.
1869         (vectorizable_reduction): Support reduction with induction as one of
1870         the operands.
1871         (vectorizable_type_demotion): Use def-type of stmt argument rather
1872         than dummy def-type.
1873
1874         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1875         flag_tree_scev_cprop.
1876         * common.opt (tree-scev-cprop): New flag.
1877
1878         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1879         call to vect_get_new_vect_var.
1880
1881 2007-02-06  Ira Rosen  <irar@il.ibm.com>
1882
1883         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1884         vectype is not NULL.
1885         (vect_pattern_recog_1): Likewise.
1886
1887 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1888
1889         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1890         (fold_negate_expr): Likewise.
1891
1892 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
1893
1894         PR debug/30189
1895         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1896         even if cv-qualification is the same.
1897
1898 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
1899
1900         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1901         __enable_execute_stack on completion.
1902
1903 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1904
1905         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1906         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1907         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1908         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1909         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1910         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1911         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1912         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1913
1914 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1915
1916         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1917         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1918         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1919         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1920         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1921         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1922         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
1923         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
1924         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
1925         umuldi3_highpart_rex64, umulsi3_highpart_insn,
1926         umulsi3_highpart_zext, smuldi3_highpart_rex64,
1927         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
1928         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
1929         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
1930         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
1931         sqrtextenddfxf2_i387): Added amdfam10_decode.
1932
1933         * config/i386/athlon.md (athlon_idirect_amdfam10,
1934         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
1935         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
1936         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
1937         athlon_ivector_store_amdfam10): New define_insn_reservation.
1938         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
1939         amdfam10.
1940
1941 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1942
1943         * config/i386/athlon.md (athlon_call_amdfam10,
1944         athlon_pop_amdfam10, athlon_lea_amdfam10): New
1945         define_insn_reservation.
1946         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
1947         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
1948         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
1949
1950 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1951
1952         * config/i386/athlon.md (athlon_sseld_amdfam10,
1953         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
1954         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
1955
1956 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1957
1958         * config/i386/athlon.md (athlon_sseins_amdfam10): New
1959         define_insn_reservation.
1960         * config/i386/i386.md (sseins): Added sseins to define_attr type
1961         and define_attr unit.
1962         * config/i386/sse.md: Set type attribute to sseins for insertq
1963         and insertqi.
1964
1965 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1966
1967         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
1968         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
1969         ssecomi_load_amdfam10, ssecomi_amdfam10,
1970         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
1971         define_insn_reservation.
1972         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
1973
1974 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1975
1976         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
1977         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
1978         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
1979         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
1980         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
1981         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
1982         define_insn_reservation.
1983
1984         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
1985         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
1986         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
1987         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
1988         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
1989
1990 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1991
1992         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
1993         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
1994         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
1995         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
1996         athlon_ssemul_load_k8): Added amdfam10.
1997
1998 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1999
2000         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2001         (x86_sse_unaligned_move_optimal): New variable.
2002
2003         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2004         m_AMDFAM10.
2005         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2006         for unaligned vector SSE double/single precision loads for AMDFAM10.
2007
2008 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2009
2010         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2011         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2012         Define TARGET_CPU_DEFAULT_amdfam10.
2013         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2014         (processor_type): Add PROCESSOR_AMDFAM10.
2015
2016         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2017         processor_type in config/i386/i386.h.
2018         Enable imul peepholes for TARGET_AMDFAM10.
2019
2020         * config.gcc: Add support for --with-cpu option for amdfam10.
2021
2022         * config/i386/i386.c (amdfam10_cost): New variable.
2023         (m_AMDFAM10): New macro.
2024         (m_ATHLON_K8_AMDFAM10): New macro.
2025         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2026         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2027         x86_promote_QImode, x86_integer_DFmode_moves,
2028         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2029         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2030         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2031         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2032         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2033         Enable/disable for amdfam10.
2034         (override_options): Add amdfam10_cost to processor_target_table.
2035         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2036         processor_alias_table.
2037         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2038         (ix86_adjust_cost): Add code for amdfam10.
2039
2040 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2041
2042         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2043         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2044         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2045         * config/i386/i386.h: Add builtin definition for SSE4A.
2046         * config/i386/i386.md: Add support for ABM instructions
2047         (popcnt and lzcnt).
2048         * config/i386/sse.md: Add support for SSE4A instructions
2049         (movntss, movntsd, extrq, insertq).
2050         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2051         Add -march=amdfam10 flag.
2052         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2053         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2054         and amdfam10.
2055         * doc/extend.texi: Add documentation for SSE4A builtins.
2056
2057 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2058
2059         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2060
2061 2007-02-05  Richard Guenther  <rguenther@suse.de>
2062
2063         * tree-vectorizer.h (vectorizable_function): Add argument type
2064         argument, change return type.
2065         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2066         * tree-vect-transform.c (vectorizable_function): Handle extra
2067         argument, return vectorized function decl.
2068         (build_vectorized_function_call): Remove.
2069         (vectorizable_call): Handle calls with result and argument types
2070         differing.  Handle loop vectorization factor correctly.
2071         * targhooks.c (default_builtin_vectorized_function): Adjust for
2072         extra argument.
2073         * targhooks.h (default_builtin_vectorized_function): Likewise.
2074         * target.h (builtin_vectorized_function): Add argument type
2075         argument.
2076         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2077         extra argument, allow vectorizing of lrintf.
2078         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2079         documentation of target hook.
2080
2081 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2082
2083         PR target/30665
2084         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2085         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2086         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2087
2088 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2089
2090         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2091         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2092         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2093         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2094         before canonicalizing sincos to cexpi.
2095         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2096
2097 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2098
2099         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2100         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2101         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2102
2103 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2104
2105         * mips-tfile.c (initialize_init_file): Correct endianness test.
2106
2107 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2108
2109         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2110         the 'y' constraint.
2111
2112 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2113
2114         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2115         saves in a PARALLEL before the register assignments.
2116
2117 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2118
2119         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2120         DWARF_FRAME_RETURN_COLUMN to be a general register.
2121         * dwarf2out.c (init_return_column_size): New function, split from...
2122         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2123         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2124         to be nongeneral registers.
2125         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2126         integer registers.
2127         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2128         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2129
2130 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2131
2132         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2133
2134 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2135
2136         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2137         (remove_path): Use can_remove_branch_p and remove_branch instead
2138         of loop_delete_branch_edge.
2139         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2140         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2141         Update profile using scale_dominated_blocks_in_loop.
2142         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2143         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2144         (can_remove_branch_p, remove_branch): Declare.
2145         * tree-cfg.c (tree_can_remove_branch_p): New function.
2146         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2147         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2148         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2149
2150 2007-02-05  Jan Hubicka  <jh@suse.cz>
2151
2152         PR middle-end/30696
2153         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2154         nodes in cgraph, don't remove offline copy of the function.
2155
2156 2007-02-04  Jan Hubicka  <jh@suse.cz>
2157
2158         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2159         vectors might cause maybe_lookup_element_for_expr to be called
2160         on non-sra-candidate.
2161
2162 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2163
2164         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2165         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2166         spelling conventions.
2167
2168 2007-02-04  Richard Guenther  <rguenther@suse.de>
2169
2170         PR middle-end/30636
2171         * fold-const.c (try_move_mult_to_index): Make sure to not
2172         overflow one dimension of a multi-dimensional array access.
2173
2174 2007-02-04  Jan Hubicka  <jh@suse.cz>
2175
2176         * passes.c (init_optimization_passes): Reindent.
2177
2178 2007-02-04  Jan Hubicka  <jh@suse.cz>
2179             Eric Botcazou  <ebotcazou@adacore.com>
2180
2181         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2182         (execute_fixup_cfg): Break out the abnormal goto code.
2183         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2184         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2185         (optimize_inline_calls): Call make_nonlocal_label_edges.
2186
2187 2007-02-04  Jan Hubicka  <jh@suse.cz>
2188
2189         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2190         true when something was changed.
2191         (rename_ssa_copies): When something was changed, do
2192         TODO_remove_unused_locals.
2193         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2194         add TODO_remove_unused_locals when instruction was removed.
2195
2196 2007-02-04  Jan Hubicka  <jh@suse.cz>
2197
2198         * ipa-inline.c (try_inline): Improve debug output; work on already
2199         inline edges too.
2200         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2201         call try_inline for already inlined edges too when flattening;
2202         inline also functions that make callee growth but overall unit size
2203         reduce.
2204
2205 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2206
2207         * config/m32c/bitops.md, config/m32c/jump.md,
2208         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2209         config/m32r/m32r.h, config/m32r/m32r.md,
2210         config/m32r/predicates.md, config/m68hc11/larith.asm,
2211         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2212         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2213         config/mips/mips-protos.h, config/mips/mips.c,
2214         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2215         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2216         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2217         spelling conventions.
2218
2219         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2220         Follow spelling conventions.
2221
2222 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2223
2224        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2225        warn about C++0x compatibility.
2226
2227 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2228
2229         * config/h8300/h8300.c, config/h8300/h8300.h,
2230         config/h8300/h8300.md: Follow spelling conventions.
2231
2232 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2233
2234         PR middle-end/30667
2235         * combine.c (try_combine): Do not substitute source operand
2236         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2237
2238 2007-02-03  Jan Hubicka  <jh@suse.cz>
2239
2240         PR gcov-profile/30650
2241         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2242         do not divide by zero for never executed counters.
2243         (tree_find_values_to_profile): Fix counters.
2244         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2245
2246 2007-02-03  Ian Lance Taylor  <iant@google.com>
2247
2248         * lower-subreg.c (simple_move_operand): New static function,
2249         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2250         operands.
2251         (simple_move): Call simple_move_operand.
2252         (find_decomposable_subregs): Add special handling of MEMs.
2253         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2254         meaning of return value.  If we see a hard register, test whether
2255         it can store a word_mode value.  Change all callers.
2256
2257 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2258
2259         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2260         ftrapv insns and expanders.
2261         (subdi3): Change define_expand operand 1 to arith11_operand, and
2262         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2263         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2264         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2265         respectively.
2266
2267         PR middle-end/30174
2268         * varasm.c (notice_global_symbol): Treat global objects as weak when
2269         flag_shlib is true.
2270
2271 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2272
2273         * emit-rtl.c (dconstpi): Delete.
2274         (dconstsqrt2): New.
2275         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2276         * real.h (dconstpi): Delete.
2277         (dconstsqrt2): New.
2278         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2279         (fold_builtin_hypot): Likewise.
2280
2281 2007-02-03  Tom Tromey  <tromey@redhat.com>
2282
2283         PR driver/30246
2284         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2285         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2286
2287 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2288
2289         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2290         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2291         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2292         config/rs6000/cell.md, config/rs6000/darwin.h,
2293         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2294         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2295         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2296         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2297         typos.  Follow spelling conventions.
2298         * doc/invoke.texi: Follow spelling conventions.
2299
2300 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2301
2302         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2303         canonicalization transformations that attempt to simplify integer
2304         constant comparisons to become comparisons against zero.
2305
2306 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2307
2308         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2309         fabs(x)*sqrt(2).
2310         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2311         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2312
2313 2007-02-02  Mike Stump  <mrs@apple.com>
2314
2315         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2316         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2317         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2318         generate a branch island.
2319
2320 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2321
2322         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2323         (xtensa_legitimate_address_p): New.
2324         (xtensa_legitimize_address): New.
2325         (xtensa_output_addr_const_extra): New.
2326         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2327         (BASE_REG_P): New.
2328         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2329         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2330         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2331         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2332         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2333         (xtensa_legitimize_address): New.
2334         (xtensa_output_addr_const_extra): New.
2335
2336 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2337
2338         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2339
2340 2007-02-02  Ian Lance Taylor  <iant@google.com>
2341
2342         * expmed.c (expand_divmod): Add comment.
2343
2344 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2345
2346         * emit-rtl.c (renumber_insns): Remove.
2347         * flags.h: Remove the extern for flag_renumber_insns.
2348         * rtl.h: Remove the prototype for renumber_insns.
2349         * toplev.c (flag_renumber_insns): Remove.
2350
2351 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2352
2353         Revert for x86 darwin:
2354         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2355
2356         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2357         code before the following patch under TARGET_MACHO.
2358         (ix86_function_value_regno_p): Likewise.
2359
2360 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2361
2362         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2363         COMPLEX_EXPR.
2364
2365 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2366
2367         PR target/29682
2368         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2369         general or fp registers.  Add comments.
2370         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2371
2372 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2373
2374         * pointer-set.c (insert_aux): Only return insertion slot.
2375         (pointer_set_insert): Adjust.
2376         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2377         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2378         pointer_map_traverse): New.
2379         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2380         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2381         pointer_map_contains, pointer_map_traverse): Declare.
2382
2383 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR middle-end/30473
2386         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2387         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2388
2389 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2390
2391         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2392
2393         (struct _dep): New type.
2394         (dep_t): New typedef.
2395         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2396         (DEP_STATUS): New access macro.  The macro with the same name was
2397         renamed to DEP_LINK_STATUS.
2398         (dep_init): Declare function
2399
2400         (struct _dep_link): New type.
2401         (dep_link_t): New typedef.
2402         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2403         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2404         (DEP_LINK_STATUS): New macro.
2405         (debug_dep_links): New debug function.
2406
2407         (struct _deps_list): New type.
2408         (deps_list_t): New typedef.
2409         (DEPS_LIST_FIRST): New access macro.
2410         (FOR_EACH_DEP_LINK): New cycle macro.
2411         (create_deps_list, free_deps_list, delete_deps_list): Declare
2412         functions.
2413         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2414         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2415         (copy_deps_list_change_con): Ditto.
2416
2417         (move_dep_link): Declare function.
2418
2419         (struct _dep_node): New type.
2420         (dep_node_t): New typedef.
2421         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2422
2423         (struct haifa_insn_data.back_deps): New field to hold backward
2424         dependencies of the insn.
2425         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2426         to deps_list_t.
2427         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2428         Change its type to deps_list_t.
2429         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2430         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2431         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2432
2433         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2434
2435         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2436
2437         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2438         all callers.
2439         (dep_cost): Declare.
2440
2441         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2442         (ds_to_dk, dk_to_ds): New functions.
2443
2444         (init_dep_1): New static function.
2445         (init_dep): New function.
2446         (copy_dep): New static function.
2447
2448         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2449         functions.
2450         (detach_dep_link): New static function.
2451         (move_dep_link): New function.
2452
2453         (dep_links_consistent_p, dump_dep_links): New static functions.
2454         (debug_dep_links): New debugging function.
2455
2456         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2457
2458         (alloc_deps_list, init_deps_list): New static functions.
2459         (create_deps_list): New function.
2460         (clear_deps_list): New static function.
2461         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2462         (deps_list_consistent_p, dump_deps_list): New static functions.
2463         (debug_deps_list): New function.
2464         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2465         functions.
2466         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2467
2468         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2469         use new scheduler dependencies lists.
2470         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2471         (sched_analyze): Ditto.  Initialize dependencies lists.
2472         (add_forw_dep, compute_forward_dependences): Update to use new
2473         scheduler dependencies lists.
2474
2475         (init_dependency_caches): Init deps_obstack.
2476         (free_dependency_caches): Free deps_obstack.
2477
2478         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2479         new scheduler dependencies lists.
2480         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2481         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2482
2483         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2484         Update to use new scheduler dependencies lists.
2485         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2486         (debug_dependencies): Ditto.
2487         (schedule_region): Update comments.
2488
2489         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2490         scheduler dependencies lists.
2491         (schedule_ebb): Update comments.
2492
2493         * rtl.def (DEPS_LIST): Remove.
2494
2495         * lists.c (unused_deps_list): Remove.
2496         (free_list): Update assertions.
2497
2498         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2499         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2500
2501         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2502         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2503
2504         * haifa-sched.c (comments): Update.
2505         (insn_cost1): Remove.  Inline the code into insn_cost ().
2506         (insn_cost): Update to use new scheduler dependencies lists.  Move
2507         processing of the dependency cost to dep_cost ().
2508         (dep_cost): New function.  Use it instead of insn_cost () when
2509         evaluating cost of the dependency.  Use compatible interface to
2510         interact with the target.
2511         (priority): Update to use new scheduler dependencies lists.
2512         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2513         with greater number of insns that depend on the insn.
2514         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2515         code to free backward dependencies lists.  Inline and optimize code
2516         from resolve_dep () - see PR28071.
2517         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2518         lists.  Update call to targetm.sched.is_costly_dependence hook.
2519
2520         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2521         scheduler dependencies lists.
2522
2523         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2524         (init_h_i_d): Initialize dependencies lists.
2525
2526         (process_insn_depend_be_in_spec): Rename to
2527         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2528         dependencies lists.
2529         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2530         Update to use new scheduler dependencies lists.
2531         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2532
2533         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2534         new scheduler dependencies lists.
2535         (build_intra_loop_deps): Ditto.
2536
2537         * target.h (struct _dep): Declare to use in
2538         gcc_target.sched.is_costly_dependence.
2539         (struct gcc_target.sched.adjust_cost): Fix typo.
2540         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2541         single dep_t parameter instead of an equivalent triad.
2542         (struct gcc_target.sched.adjust_cost_2): Remove.
2543
2544         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2545
2546         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2547
2548         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2549         documentation.
2550         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2551
2552         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2553         (REG_DEP_TRUE): Document.
2554
2555         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2556         Change signature to correspond to the targetm.sched.adjust_cost hook.
2557         Update use in TARGET_SCHED_ADJUST_COST_2.
2558         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2559         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2560         new scheduler dependencies lists.
2561         (ia64_gen_check): Ditto.
2562
2563         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2564         dependencies lists.
2565
2566         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2567         signature to correspond to the targetm.sched.is_costly_dependence hook.
2568         (is_costly_group): Update to use new scheduler dependencies lists.
2569
2570         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2571         instead of INSN_COST () macro.
2572
2573 2007-02-01  Ian Lance Taylor  <iant@google.com>
2574
2575         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2576
2577 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2578
2579         * pa.md (tp_load): Correct mfctl instruction syntax.
2580
2581 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2582
2583         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2584         altivec_padding_size calculation on AIX.  Improve comment, add
2585         assert to verify that it's right.
2586
2587         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2588         64-bit.
2589
2590 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2591
2592         PR inline-asm/28686
2593         * global.c (global_alloc): Add mising initialization of
2594         ELIMINABLE_REGSET.
2595
2596 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2597
2598         * alias.c (init_alias_analysis): Correct whitespace.
2599         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2600         partition_hot_cold_basic_blocks): Likewise.
2601         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2602         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2603         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2604         fold_builtin_snprintf_chk, fold_builtin_printf,
2605         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2606         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2607         * cfgcleanup.c (cleanup_cfg): Likewise.
2608         * cfgexpand.c (tree_expand_cfg): Likewise.
2609         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2610         * function.c (get_next_funcdef_no): Likewise.
2611         * gengtype.c (main): Likewise.
2612         * genmodes.c (main): Likewise.
2613         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2614         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2615         * ifcvt.c (noce_emit_move_insn): Likewise.
2616         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2617         Likewise.
2618         * stor-layout.c (get_best_mode): Likewise.
2619         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2620         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2621         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2622         perform_var_substitution, solve_graph): Likewise.
2623         * tree-vrp.c (vrp_finalize): Likewise.
2624
2625 2007-02-01  Ian Lance Taylor  <iant@google.com>
2626
2627         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2628         high part of a paradoxical subreg, return a constant zero.
2629
2630 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2631
2632         * toplev.c (lang_dependent_init): Call init_set_costs.
2633         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2634
2635 2007-02-01  Richard Guenther  <rguenther@suse.de>
2636
2637         PR middle-end/30656
2638         * fold-const.c (fold_negate_expr): Allow negating a
2639         constant if overflow does not change.
2640
2641 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2642
2643         * doc/c-tree.texi (Expression trees): Improve markup.
2644         * doc/tm.texi (Register Classes, Addressing Modes)
2645         (Floating Point): Fix spacing after abbreviations.  Fix some
2646         typos.
2647
2648 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2649
2650         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2651         * doc/contrib.texi: Likewise.
2652         * doc/install.texi: Likewise.
2653
2654 2007-01-31  Richard Henderson  <rth@redhat.com>
2655             Ian Lance Taylor  <iant@google.com>
2656
2657         * lower-subreg.c: New file.
2658         * rtl.def (CONCATN): Define.
2659         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2660         pass_lower_subreg2.
2661         * emit-rtl.c (update_reg_offset): New static function, broken out
2662         of gen_rtx_REG_offset.
2663         (gen_rtx_REG_offset): Call update_reg_offset.
2664         (gen_reg_rtx_offset): New function.
2665         * regclass.c: Revert patch of 2006-03-05, restoring
2666         reg_scan_update.
2667         (clear_reg_info_regno): New function.
2668         * dwarf2out.c (concatn_loc_descriptor): New static function.
2669         (loc_descriptor): Handle CONCATN.
2670         * common.opt (fsplit_wide_types): New option.
2671         * opts.c (decode_options): Set flag_split_wide_types when
2672         optimizing.
2673         * timevar.def (TV_LOWER_SUBREG): Define.
2674         * rtl.h (gen_reg_rtx_offset): Declare.
2675         (reg_scan_update): Declare.
2676         * regs.h (clear_reg_info_regno): Declare.
2677         * tree-pass.h (pass_lower_subreg): Declare.
2678         (pass_lower_subreg2): Declare.
2679         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2680         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2681         -fsplit-wide-types.
2682         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2683         * Makefile.in (OBJS-common): Add lower-subreg.o.
2684         (lower-subreg.o): New target.
2685
2686 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2687
2688         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2689
2690 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2691
2692         PR target/19087
2693         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2694
2695 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2696
2697         PR middle-end/29335
2698         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2699
2700 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2701
2702         * cfgloop.h: Include vec-prim.h.
2703         (enum li_flags): Remove LI_ONLY_OLD.
2704         (loop_iterator): Changed.
2705         (fel_next, fel_init): Iterate over loop tree.
2706         (FOR_EACH_LOOP_BREAK): New macro.
2707         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2708         FOR_EACH_LOOP.
2709         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2710         * modulo-sched.c (sms_schedule): Ditto.
2711         * tree-vectorizer.c (vectorize_loops): Ditto.
2712         * doc/loop.texi: Update information on loop numbering and behavior of
2713         FOR_EACH_LOOP wrto new loops.
2714         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2715         add_to_evolution_1): Test nestedness of loops instead of comparing
2716         their numbers.
2717         * tree-chrec.c (chrec_fold_plus_poly_poly,
2718         chrec_fold_multiply_poly_poly, chrec_evaluate,
2719         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2720         reset_evolution_in_loop): Ditto.
2721         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2722
2723 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2724
2725         * c-common.c (warn_about_parentheses): Separate warning about
2726         un-parenthized sequence of comparison operators from the one
2727         which is supposed to warn about x <= y <= z.
2728
2729 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2730
2731         * optabs.h (enum optab_index): Add new OTI_isinf.
2732         (isinf_optab): Define corresponding macro.
2733         * optabs.c (init_optabs): Initialize isinf_optab.
2734         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2735         patterns.
2736         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2737         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2738         using isinf_optab.
2739         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2740         expand_builtin_interclass_mathfn.
2741         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2742         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2743         (fxam<mode>2_i387): New insn pattern.
2744         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2745         built-in functions as x87 inline asm.
2746
2747 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2748
2749         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2750
2751 2007-01-30  Eric Christopher  <echristo@apple.com>
2752
2753         * config.gcc: Add geode.
2754
2755 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2756
2757         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2758         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2759         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2760         value-prof.c: Fix comment typos.
2761
2762 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2763
2764         PR c++/24745
2765         * doc/invoke.texi (Wpointer-arith): Document warning.
2766
2767 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2768
2769         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2770         the list of discrepancies from the draft TR.
2771
2772 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2773
2774         PR c++/30601
2775         * doc/invoke.texi (-Wreturn-type): Update description to
2776         match new behavior.
2777
2778 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2779
2780         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2781
2782 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2783
2784         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2785         to handle optabs that operate on floating point input argument and
2786         output to integer output.
2787         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2788         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2789         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2790         expand_builtin_interclass_mathfn ().
2791         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2792         (ilogbsi2): Remove.
2793         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2794         ilogbl built-in functions as x87 intrinsics.
2795
2796 2007-01-30  Richard Guenther  <rguenther@suse.de>
2797
2798         PR middle-end/27657
2799         * dwarf2out.c (reference_to_unused): Query varpool if the
2800         variable was output.
2801
2802 2007-01-30  Richard Guenther  <rguenther@suse.de>
2803
2804         PR middle-end/30313
2805         * passes.c (execute_one_pass): Reset in_gimple_form to not
2806         confuse non-unit-at-a-time mode.
2807
2808 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2809             Richard Guenther  <rguenther@suse.de>
2810
2811         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2812         avoid undefined behaviour on overflow.  Use force_fit_type_double
2813         to construct the constant with the specified TREE_OVERFLOW.
2814
2815 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2816
2817         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2818         * config/dfp-bit.h: Ditto.
2819
2820 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2821
2822         * c-decl.c (pop_scope): Replace warnings with call to
2823         warn_for_unused_label.
2824         * c-common.h (warn_for_unused_label): Declare.
2825         * c-common.c (warn_for_unused_label): Define.
2826
2827 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2828
2829         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2830         function.
2831
2832 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2833
2834         * Makefile.in (USER_H): Remove decfloat.h.
2835         * ginclude/decfloat.h: Delete, moving contents to ...
2836         * ginclude/float.h: Add support for decimal floating point,
2837         guarded by __STDC_WANT_DEC_FP__.
2838
2839 2007-01-29  Mike Stump  <mrs@apple.com>
2840
2841         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2842         Analysis and Representation to resolve case insensitive conflict.
2843         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2844
2845 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2846
2847         * tree.h (struct tree_memory_tag): Add aliases member.
2848         (MTAG_ALIASES): New macro.
2849         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2850         (add_may_alias): Remove pointer-set. Update for may_aliases being
2851         a bitmap.
2852         (mark_aliases_call_clobbered): Update for may_aliases being a
2853         bitmap.
2854         (compute_tag_properties): Ditto.
2855         (create_partition_for): Ditto.
2856         (compute_memory_partitions): Ditto.
2857         (dump_may_aliases_for): Ditto.
2858         (is_aliased_with): Ditto.
2859         (add_may_alias_for_new_tag): Ditto.
2860         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2861         (compute_is_aliased): New function.
2862         (compute_may_aliases): Call compute_is_aliased).
2863         (init_alias_info): Initialize alias_bitmap_obstack.
2864         (union_alias_set_into): New function.
2865         (compute_flow_sensitive_aliasing): Use union_aliases_into.
2866         (have_common_aliases_p): Rewrite to take two bitmaps and use
2867         intersection.
2868         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2869         Update for bitmaps.
2870         (finalize_ref_all_pointers): Update for add_may_alias changes.
2871         (new_type_alias): Ditto.
2872         * tree-flow-inline.h (may_aliases): Return a bitmap.
2873         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2874         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2875         may_aliases being a bitmap.
2876         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2877         may_aliases now returns a bitmap.
2878         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2879         being a bitmap.
2880         * tree-ssa-operands.c (add_virtual_operand): Update for
2881         may_aliases being a bitmap.
2882
2883 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
2884
2885         PR tree-optimization/30630
2886         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2887         variable as changed.
2888
2889 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
2890
2891         PR c++/28266
2892         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2893         expanded only once even if an error occurs.
2894
2895 2007-01-29  Ben Elliston  <bje@au.ibm.com>
2896
2897         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2898         (__gcov_average_profiler): Likewise.
2899         (__gcov_ior_profiler): Likewise.
2900         (__gcov_merge_ior): Likewise.
2901
2902 2007-01-28  Jan Hubicka  <jh@suse.cz>
2903
2904         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2905         * value-prof.c (stringop_block_profile): Likewise.
2906
2907 2007-01-28  Jan Hubicka  <jh@suse.cz>
2908
2909         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2910         variant handling histograms; add wrapper.
2911         (clear_storage_via_libcall): Export.
2912         (emit_block_move_hints): Break out from ...; add histograms.
2913         (emit_block_move): ... this one.
2914         (clear_storage_hints): Break out from ...; add histograms.
2915         (clear_storage): ... this one.
2916         (set_storage_via_memset): Handle histogram.
2917         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2918         (clear_storage_hints, clear_storage_via_libcall): Declare.
2919         (set_storage_via_setmem): Update prototype.
2920         * doc/md.texi (movmem, setmem): Document new arguments.
2921
2922         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
2923         new histograms.
2924         (stringop_block_profile): New global function.
2925         (tree_stringops_values_to_profile): Profile block size and alignment.
2926         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
2927         HIST_TYPE_IOR.
2928         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
2929         (stringop_block_profile): Declare.
2930         * builtins.c: Include value-prof.h.
2931         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
2932         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
2933         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
2934         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
2935         * profile.c (instrument_values): Add new counters.
2936         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
2937         calls.
2938         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
2939         (tree_init_edge_profiler): Build new profilers.
2940         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
2941         (pass_tree_profile): Add dump.
2942         (tree_profile_hooks): Update.
2943         * Makefile.in (LIBGCOV): Add new constants.
2944         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
2945         __gcov_ior_profiler): New.
2946         * i386.md (movmem/setmem expanders): Add new optional arguments.
2947
2948 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
2949
2950         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
2951
2952 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2953
2954         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
2955         (tree_unswitch_single_loop): Pass eni_size_weights to
2956         tree_num_loop_insns.
2957         * tree-ssa-loop-manip.c: Include tree-inline.h.
2958         (can_unroll_loop_p): Pass eni_size_weights to
2959         tree_num_loop_insns.
2960         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
2961         Pass eni_size_weights to estimate_num_insns.
2962         * tree.h (init_inline_once): Export.
2963         * toplev.c (backend_init): Call init_inline_once.
2964         * cgraphunit.c (cgraph_process_new_functions,
2965         cgraph_analyze_function): Pass eni_inlining_weights to
2966         estimate_num_insns.
2967         * ipa-inline.c (compute_inline_parameters): Ditto.
2968         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
2969         to estimate_num_insns.
2970         (try_unroll_loop_completely): Pass eni_size_weights to
2971         tree_num_loop_insns.
2972         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
2973         ot estimate_num_insns.
2974         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
2975         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
2976         * tree-inline.c (eni_inlining_weights, eni_size_weights,
2977         eni_time_weights): New variables.
2978         (init_inline_once): Initialize them.
2979         (struct eni_data): Mew.
2980         (estimate_num_insns_1, estimate_num_insns): Use weights.
2981         * tree-inline.h (struct eni_weights_d): New.
2982         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
2983         (estimate_num_insns): Declaration changed.
2984         * cfgloop.h (tree_num_loop_insns): Declaration changed.
2985         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
2986         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
2987
2988 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2989
2990         * tree-data-ref.c (conflict_fn): Assert that the number of affine
2991         relations in the conflict function is valid.
2992
2993 2007-01-27  Ian Lance Taylor  <iant@google.com>
2994
2995         * common.opt: Add fstrict-overflow.
2996         * opts.c (decode_options): Set flag_strict_overflow if -O2.
2997         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
2998         (TYPE_OVERFLOW_UNDEFINED): Define.
2999         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3000         Replace all uses.
3001         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3002         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3003         (fold_negate_expr): Likewise.
3004         (make_range): Likewise.
3005         (extract_muldiv_1): Likewise.
3006         (maybe_canonicalize_comparison): Likewise.
3007         (fold_comparison): Likewise.
3008         (fold_binary): Likewise.
3009         (tree_expr_nonnegative_p): Likewise.
3010         (tree_expr_nonzero_p): Likewise.
3011         * tree-vrp.c (compare_values): Likewise.
3012         (extract_range_from_binary_expr): Likewise.
3013         (extract_range_from_unary_expr): Likewise.
3014         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3015         Likewise.
3016         (nowrap_type_p): Likewise.
3017         * tree-scalar-evolution.c (simple_iv): Likewise.
3018         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3019         (build_range_check): Likewise.
3020         (extract_muldiv_1): Likewise.
3021         (fold_comparison): Likewise.
3022         * tree-vrp.c (vrp_int_const_binop): Likewise.
3023         (extract_range_from_unary_expr): Likewise.
3024         * convert.c (convert_to_integer): Likewise.
3025         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3026         (fold_comparison): Likewise.
3027         (fold_binary): Likewise.
3028         * optabs.c (optab_for_tree_code): Likewise.
3029         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3030         * simplify-rtx.c (simplify_const_relational_operation): Check
3031         flag_strict_overflow and flag_trapv.
3032         (simplify_const_relational_operation): Likewise.
3033         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3034         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3035         -fstrict-overflow.
3036
3037 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3038
3039         * tree.c (tree_fold_gcd): Delete.
3040         * tree.h (tree_fold_gcd): Remove prototype.
3041         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3042         test whether one constant integer is a multiple of another.  Instead
3043         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3044         * fold-const.c (multiple_of_p):  We've determined both TOP and
3045         BOTTOM are integer constants so we can call int_const_binop directly
3046         instead of the more generic const_binop.
3047
3048 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3049
3050         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3051         1*X check that the constant hasn't overflowed, to preserve the
3052         TREE_OVERFLOW bit.
3053         (round_up): Provide an efficient implementation when rouding-up an
3054         INTEGER_CST to a power-of-two.
3055
3056 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3057
3058         * doc/sourcebuild.texi: Add comma for clarity.
3059         * doc/extend.texi: Fix some typos.
3060         * doc/passes.texi: Likewise.
3061         * doc/cppinternals.texi: Likewise.
3062         * doc/c-tree.texi: Likewise.
3063         * doc/tree-ssa.texi: Likewise.
3064         * doc/install.texi: Likewise.
3065
3066 2007-01-27  Jan Hubicka  <jh@suse.cz>
3067
3068         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3069         (pass_sra): Do not require alias information.
3070         * passes.c (init_optimization_passes): Add SRA
3071
3072 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3073
3074         * tracer.c (rest_of_handle_tracer): We already cleaned
3075         up the CFG in tracer() so don't do it here again.
3076         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3077         cleanup_cfg here, either.  And don't call renumber_insns.
3078
3079         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3080         and BB_HEAD are in the insn stream here.  Instead make sure
3081         that BB_INSN is valid on all insns.  Also, do check here that
3082         there are no pending branch predictions...
3083         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3084         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3085         here.
3086
3087 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3088
3089         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3090         function to simplify/factorize operand order canonicalization.
3091         (ix86_fixup_binary_operands): Reorganize using the above function.
3092         (ix86_binary_operator_ok): Likewise.
3093
3094 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3095
3096         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3097         file scope from optimize_attrs.
3098         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3099         up search.
3100         (optimize_attrs): Clear insn_code_values after freeing it.
3101
3102 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3103
3104         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3105         a parts.base assignment.
3106
3107 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3108
3109         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3110         (compute_subscript_distance, initialize_data_dependence_relation,
3111         finalize_ddr_dependent, analyze_ziv_subscript,
3112         analyze_siv_subscript_cst_affine,
3113         compute_overlap_steps_for_affine_univar,
3114         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3115         analyze_siv_subscript, analyze_miv_subscript,
3116         analyze_overlapping_iterations, subscript_dependence_tester_1,
3117         compute_self_dependence, free_dependence_relation): Work
3118         with affine_fn instead of chrecs.
3119         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3120         common_affine_function, affine_function_base,
3121         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3122         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3123         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3124         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3125         (all_chrecs_equal_p): Removed.
3126         * tree-data-ref.h (affine_fn, conflict_function): New types.
3127         (struct subscript): Change type of conflicting_iterations_in_a
3128         and conflicting_iterations_in_b.
3129
3130 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3131
3132         PR other/30182
3133         * config/pa/pa.h (TARGET_HPUX_11): New.
3134         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3135         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3136
3137 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3138         Richard Guenther  <rguenther@suse.de>
3139
3140         * tree-ssa-structalias.c (solve_graph): Handle case
3141         we merged the variable to another.
3142
3143 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3144
3145         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3146         functions.
3147
3148         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3149         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3150
3151 2007-01-25  DJ Delorie  <dj@redhat.com>
3152
3153         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3154         allow changes to modes which don't fit in those registers.
3155
3156         * reload1.c (choose_reload_regs): Check for invalid subregs before
3157         computing their locations, not after.
3158
3159 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3160
3161         PR 25127
3162         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3163         save Altivec registers in an eh_return function.
3164         (compute_vrsave_mask): Likewise.
3165         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3166         for saving Altivec registers.
3167         (rs6000_emit_prologue): Don't allocate stack twice in
3168         eh_return function.  Correct expected value of altivec_save_offset
3169         when using save_world.  Describe save of R0 to stack when using
3170         save_world.  Describe stack pointer adjustment when using
3171         save_world.  Remove duplicated eh_return parameter register saving.
3172         Update sp_offset variable after save_world.
3173         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3174         darwin-world.asm.
3175         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3176         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3177         implies Altivec.
3178
3179 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3180
3181         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3182
3183 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3184
3185         PR other/30182
3186         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3187         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3188
3189 2007-01-25  Richard Guenther  <rguenther@suse.de>
3190
3191         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3192         * common.opt (-Wcoverage-mismatch): New warning option.
3193         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3194         if -Wcoverage-mismatch is given.
3195
3196 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3197
3198         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3199         (ipcp_driver): Change to static definition.
3200         Add dumping of the ifunctions.
3201         (constant_val_insert): Remove unused parameter. Support for SSA.
3202         (ipcp_propagate_const): Support for SSA.
3203         (ipcp_profile_bb_print): Print only analyzed nodes.
3204         (ipcp_replace_map_create): Remove support for Fortran constant
3205         for now.
3206         * ipa-prop.c (ipa_method_modify_stmt,
3207         ipa_callsite_compute_param): Support for SSA.
3208         * ipa-prop.h (ipcp_driver): Remove declaration.
3209         (IS_VALID_TREE_MAP_INDEX): Add define.
3210
3211 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3212
3213         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3214
3215 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3216
3217         PR middle-end/30447
3218         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3219         constant argument to cabs and do it without checking for
3220         -funsafe-math-optimizations.
3221
3222 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3223
3224         * c-common.h (RID_FIRST_CXX0X): New.
3225         (RID_LAST_CXX0X): New.
3226         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3227         by -Wall.
3228         * c.opt (Wc++0x-compat): New.
3229         * doc/invoke.texi (-Wc++0x-compat): Document.
3230
3231 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3232
3233         * builtins.c (fold_builtin_carg): New.
3234         (fold_builtin_1): Use it.
3235
3236 2007-01-24  Jan Hubicka  <jh@suse.cz>
3237
3238         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3239
3240         * ipa-inline.c (initial_insns, max_insns): Delete.
3241         (compute_max_insns): New function.
3242         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3243         of insns as base for code growth.
3244         (cgraph_decide_inlining): Make initial_insns local; do not compute
3245         max_insns.
3246         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3247         * doc/invoke.texi (inline-unit-growth): Update docs.
3248
3249 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3250
3251         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3252         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3253         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3254         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3255         for CPUs that have PTA_CX16 set.
3256
3257         PR middle-end/27416
3258         * gimplify.c (omp_check_private): New function.
3259         (gimplify_scan_omp_clauses): Use it for
3260         firstprivate/lastprivate/reduction.
3261
3262         PR middle-end/30494
3263         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3264         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3265
3266         PR middle-end/30421
3267         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3268         If lower_lastprivate_clauses emits some statements, append them
3269         to dlist rather than body_p and to body_p append an initializer.
3270         (lower_omp_for): Adjust caller.
3271
3272 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3273
3274         * target.h (globalize_decl_name): New.
3275         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3276         * output.h (default_globalize_decl_name): New.
3277         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3278         globalize_label.
3279         (globalize_decl): Ditto.
3280         (default_globalize_decl_name): New.
3281         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3282         (ia64_handle_version_id_attribute): New.
3283         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3284         (ia64_asm_output_external): Use globalize_decl_name instead
3285         of globalize_label.
3286         * doc/extend.texi (version_id): New pragma.
3287         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3288
3289 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3290
3291         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3292         _uleb128_t and _Unwind_SWord with _sleb128_t.
3293         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3294         uw_frame_state_for, uw_update_context_1): Likewise.
3295         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3296         * unwind-pe.h (read_uleb128, read_sleb128,
3297         read_encoded_value_with_base): Likewise.
3298         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3299
3300 2007-01-24  Richard Guenther  <rguenther@suse.de>
3301
3302         * builtins.c (expand_builtin_cexpi): Get the fndecl
3303         for cexp in the correct way.
3304
3305 2007-01-24  Jan Hubicka  <jh@suse.cz>
3306
3307         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3308
3309 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3310
3311         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3312         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3313         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3314         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3315         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3316         __SIZEOF_PTRDIFF_T__.
3317         * doc/cpp.texi: Documentation for the new builtin macros added.
3318
3319 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3320
3321         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3322         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3323         instead of operands[2] to avoid access past the end of array.
3324
3325 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3326
3327         * reload1.c (emit_reload_insns): Pass the reload register
3328         for a non-spill output reload through forget_old_reloads_1.
3329
3330 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3331
3332         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3333         _SOFT_DOUBLE if doubles use software floating-point.
3334         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3335         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3336         * config/rs6000/darwin-ldouble.c: Also compile functions for
3337         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3338         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3339         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3340         commented-out long double override.
3341         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3342         * config/rs6000/eabispe.h: Likewise.
3343         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3344         long double for non-SPE.
3345         (rs6000_handle_option): Likewise.
3346         (invalid_e500_subreg): Disallow more subregs involding DImode,
3347         DFmode, TImode or TFmode.
3348         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3349         E500 double.
3350         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3351         double.
3352         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3353         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3354         double.
3355         (rs6000_legitimate_address): Also check for TFmode for E500
3356         double.
3357         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3358         (spe_build_register_parallel): Handle TFmode and TCmode.
3359         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3360         double.
3361         (function_arg): Handle TFmode and TCmode for E500 double.
3362         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3363         in general.
3364         (print_operand): Handle TFmode and TImode for %y.
3365         (rs6000_generate_compare): Handle TFmode comparisons for E500
3366         double.
3367         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3368         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3369         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3370         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3371         TFmode for E500 double.
3372         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3373         (floatsidf2): Enable for E500 double.
3374         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3375         (extenddftf2): Change to extenddftf2_fprs.
3376         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3377         depending on TARGET_E500_DOUBLE.
3378         (extendsftf2): Enable for E500 double.
3379         (trunctfdf2): Enable for E500 double.
3380         (trunctfsf2): Change to trunctfsf2_fprs.
3381         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3382         depending on TARGET_E500_DOUBLE.
3383         (floatsitf2): Enable for E500 double.
3384         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3385         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3386         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3387         (negtf2): Change to negtf2_internal.
3388         (negtf2): New expander.
3389         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3390         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3391         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3392         (movdi_internal32): Use rs6000_nonimmediate_operand.
3393         (unnamed splitter): Likewise.
3394         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3395         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3396         (SPE64TF, DITI): New mode macros.
3397         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3398         modes.
3399         (frob_tf_ti): New.
3400         (frob_<mode>_di_2): New.
3401         (frob_tf_di_8_2): New.
3402         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3403         (frob_ti_tf): New.
3404         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3405         more modes.
3406         (frob_ti_<mode>_8_2): New.
3407         (frob_ti_tf_2): New.
3408         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3409         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3410         TFmode.
3411         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3412         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3413         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3414         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3415         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3416         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3417         tsttflt_gp): New.
3418
3419 2007-01-23  Ian Lance Taylor  <iant@google.com>
3420
3421         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3422         insn-*.o first.
3423         (OBJS-archive): Reformat, alphabetize.
3424         (OBJS): Change out_object_file to OBJS-md.
3425
3426 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3427
3428         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3429         JUMP_P and CALL_P predicates where applicable.
3430         * config/i386/i386.c: Ditto.
3431         * config/i386/i386.md: Ditto.
3432         * config/i386/mmx.md: Ditto.
3433         * config/i386/predicates.md: Ditto.
3434
3435 2007-01-22  Andreas Schwab  <schwab@suse.de>
3436
3437         * config/m68k/m68k.h: Fix comment.
3438
3439 2007-01-22  Jan Hubicka  <jh@suse.cz>
3440
3441         * passes.c (init_optimization_passes): Do not rerun
3442         pass_early_warn_uninitialized.
3443
3444 2007-01-22  Richard Guenther  <rguenther@suse.de>
3445
3446         PR tree-optimization/30038
3447         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3448         function.
3449         (execute_cse_sincos_1): Likewise.
3450         (execute_cse_sincos): Likewise.
3451         (gate_cse_sincos): Likewise.
3452         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3453         the cexpi() canonicalization of sincos().
3454         * tree-pass.h (pass_cse_sincos): Declare.
3455         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3456
3457 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3458
3459         PR rtl-optimization/29329
3460         * combine.c (replaced_rhs_insn): Rename to i2mod.
3461         (replaced_rhs_value): Rename to i2mod_new_rhs.
3462         (i2mod_old_rhs): New global variable.
3463         (combine_instructions): Adjust for above change.  Save a copy of
3464         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3465         note are substituted in the second instruction.
3466         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3467         ditch the note if it pertains to the second eliminated register
3468         and this register is mentioned in i2mod_old_rhs.
3469
3470         Revert:
3471         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3472
3473         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3474         the insn to which the note was originally attached.
3475
3476 2007-01-21  Jan Hubicka  <jh@suse.cz>
3477
3478         * ipa-inline.c (inlining_mode): Comment, move up.
3479         (cgraph_decide_inlining_incrementally): Do not perform inlining
3480         itself; fix handling of flattening of self recursive functions.
3481         (cgraph_find_cycles): Remove.
3482         (cgraph_flatten_node): Remove.
3483         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3484         (try_inline): New function.
3485         (cgraph_early_inlining): Update call of
3486         cgraph_decide_inlining_incrementally.  Apply inlining here.
3487         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3488
3489 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3490
3491         PR bootstrap/30511
3492         * tree-vrp.c (check_array_bounds): do not warn
3493         about ADDR_EXPR's of ARRAY_REF's which are immediately
3494         used in binary expressions.
3495
3496 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3497
3498         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3499         read_write_dep and macros for its access.
3500         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3501         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3502         argument, call vect_check_interleaving for every independent pair of
3503         data-refs. Mark loads that access the same memory location as a store
3504         in the loop.
3505         (vect_check_dependences): Remove.
3506         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3507         call, fix the call to vect_analyze_data_ref_dependence.
3508         (vect_analyze_data_ref_access): For statements that access the same
3509         data-ref, check that they are not stores; for loads, check that there
3510         is no store that access the same location.
3511
3512 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3513             Joseph Myers  <joseph@codesourcery.com>
3514
3515         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3516         (-fdump-rtl-stack): Likewise.
3517         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3518         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3519         (-mpt-fixed): Use @minus{} for minus sign.
3520         (Using Precompiled Headers): Fix under/overfull hbox.
3521
3522 2007-01-20  Jan Hubicka  <jh@suse.cz>
3523
3524         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3525         place within annotation.
3526
3527 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3528
3529         * pa.c (output_move_double): Change array size of xoperands to 4.
3530
3531 2007-01-20  Jan Hubicka  <jh@suse.cz>
3532
3533         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3534         as temporary.
3535
3536 2007-01-19  Ian Lance Taylor  <iant@google.com>
3537
3538         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3539         constant to unsigned HOST_WIDE_INT before negating.
3540
3541 2007-01-19  Ian Lance Taylor  <iant@google.com>
3542
3543         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3544         to unsigned.
3545         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3546         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3547         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3548         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3549         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3550         (realloc_vdef, realloc_vuse): Change second parameter to
3551         unsigned.
3552         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3553         fields to unsigned.
3554         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3555         unsigned. Change x and lim locals to unsigned.
3556         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3557         unsigned.
3558         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3559         (copy_virtual_operands): Change i and n locals to unsigned.
3560
3561 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3562
3563         PR middle-end/29335
3564         * builtins.c (fold_builtin_1): Handle builtin fdim.
3565
3566 2007-01-20  Jan Hubicka  <jh@suse.cz>
3567
3568         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3569         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3570         init_alias_heapvars.
3571         (init_alias_heapvars): Initialize only when not already initialized.
3572         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3573
3574 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3575
3576         * common.opt (fsigned-zeros): New command line option.
3577         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3578         of flag_unsafe_math_optimizations.
3579         * opts.c (set_fast_math_flags): The -ffast-math command line option
3580         implies -fno-signed-zeros.
3581         (fast_math_flags_set_p): Likewise.
3582
3583         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3584         the documentation of -ffast-math appropriately.  Wrap long lines.
3585
3586 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3587
3588         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3589         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3590
3591 2007-01-19  Tomas Bily  <tbily@suse.cz>
3592
3593         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3594         * tree-profile.c:
3595         (tree_init_ic_make_global_vars): New function
3596         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3597         (tree_gen_ic_profiler): New function
3598         (tree_gen_ic_func_profiler): New function
3599         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3600         (tree_profile_hooks): Added hook for indirec/virtual calls
3601         * value-prof.c (tree_find_values_to_profile): New case for
3602         indirect calls
3603         (tree_values_to_profile): Call for determining indirect/virtual
3604         counters
3605         (tree_indirect_call_to_profile): New function
3606         (tree_ic_transform): New function
3607         (tree_ic): New function
3608         (find_func_by_pid): New function
3609         (init_pid_map): New function
3610         (tree_value_profile_transformations): Added check for
3611         indirect/virtual call transformation
3612         * value-prof.h (enum hist_type): New counter type for
3613         indirect/virtual calls
3614         (profile_hooks): Added new hook for profiling indirect/virtual
3615         calls
3616         * profile.c (instrument_values): New case for indirect/virtual
3617         call added
3618         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3619         (GCOV_COUNTER_V_INDIR): New counter type
3620         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3621         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3622         call added
3623         * cgraph.c: Definition of cgraph_max_pid
3624         (cgraph_create_node): Default init of pid attribute
3625         * cgraph.h: Declaration of cgraph_max_pid
3626         (struct cgraph_node): Added pid attribute
3627         * libgcov.c (__gcov_indirect_call_profiler): New function
3628         (__gcov_one_value_profiler_body): New function
3629         (__gcov_one_value_profiler): Body was moved to
3630         __gcov_one_value_profiler_body and calls it
3631
3632 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3633
3634         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3635         * gengtype.c (write_types_data, write_func_for_structure,
3636         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3637         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3638         (walk_type, write_func_for_structure): Generate the mark_hook if
3639         needed.
3640
3641 2007-01-19  Jan Hubicka  <jh@suse.cz>
3642
3643         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3644         'early' argument take inlining mode argument specifying whether to
3645         inline for size/speeed or all functions; add support for flattening;
3646         improve dumpting.
3647         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3648
3649 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3650
3651         PR c++/17947
3652         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3653         the name of the declared identifier.
3654
3655 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3656
3657         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3658         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3659         duplicate evaluation.
3660
3661 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3662
3663         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3664         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3665         to XFMode, use acosxf2 and truncate result to requested mode.
3666         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3667         (asin<mode>2): Similarly, with asin expanders.
3668         (*fscalexf4_i387): Rename from *fscalexf4.
3669         (expNcorexf3): New expander.
3670         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3671         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3672         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3673         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3674         patterns for SSE math.
3675         (exp10<mode>2): Similarly, with exp10 expanders.
3676         (exp2<mode>2): Similarly, with exp2 expanders.
3677         (expm1<mode>2): Similarly, with expm1 expanders.
3678         (ldexp<mode>3): Similarly, with ldexp expanders.
3679         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3680         Use gen_truncxf<mode>2_i387_noop to truncate result.
3681
3682 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3683
3684         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3685         for ColdFire targets.
3686
3687 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3688             Richard Sandiford  <richard@codesourcery.com>
3689
3690         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3691         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3692         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3693         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3694         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3695         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3696
3697 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3698
3699         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3700         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3701         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3702         (*adddi_dilshr32_cf): New pattern.
3703         (adddi3, subdi3): Remove first alternatives.
3704
3705 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3706
3707         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3708         implemented using move.l, do not use its cc result for floating-point
3709         comparisons.
3710
3711 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3712
3713         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3714         from accepting 's' constraints if flag_pic.
3715
3716 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3717
3718         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3719         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3720         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3721         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3722
3723 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3724
3725         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3726         ColdFire alternatives.
3727         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3728         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3729         architectures that support ff1 instruction.
3730
3731 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3732             Julian Brown  <julian@codesourcery.com>
3733
3734         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3735         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3736         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3737         Add commentary.
3738
3739 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3740
3741         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3742         and return a bool.
3743         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3744         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3745         HOST_WIDE_INT instead of an rtx.
3746         (m68k_rtx_costs): Update call accordingly.
3747         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3748         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3749         Return a bool.
3750         (output_move_simode_const): Update calls after above changes.
3751         Rework to use automatic variables and predicates like MEM_P.
3752         * config/m68k/m68k.md (pushexthisi_const): Update call to
3753         valid_mov3q_const.
3754
3755 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3756
3757         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3758         in dump_flags test.
3759
3760 2007-01-19  Richard Guenther  <rguenther@suse.de>
3761
3762         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3763         via cexp in case sincos is not available.
3764
3765 2007-01-19  Richard Guenther  <rguenther@suse.de>
3766
3767         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3768         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3769         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3770         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3771         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3772         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3773         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3774         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3775
3776 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3777
3778         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3779         New insn patterns.
3780         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3781         (atan2xf3): Directly generate RTL pattern.
3782         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3783         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3784         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3785         disable patterns for SSE math.
3786         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3787         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3788         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3789         disable patterns for SSE math.
3790
3791 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3792
3793         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3794
3795 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3796
3797         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3798         VIEW_CONVERT_EXPR to the same type as it's operand.
3799
3800 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3801
3802         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3803         configured for long double 128.
3804
3805 2007-01-18  Mike Stump  <mrs@apple.com>
3806
3807         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3808         error.
3809
3810 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3811
3812         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3813         type correct.
3814
3815 2007-01-18  Jan Hubicka  <jh@suse.cz>
3816
3817         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3818         greater than NUM_VOP_FREE_BUCKETS.
3819
3820 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3821
3822         * tree-ssa-structalias.c: Update comments.
3823         (ptabitmap_obstack): Removed.
3824         (pta_obstack): New.
3825         (oldpta_obstack): Ditto.
3826         (stats): Add a few members.
3827         (struct variable_info): Remove node, complex, address_taken, and
3828         indirect_target members. Add oldsolution member.
3829         (new_var_info): Do not initialize removed members.
3830         (constraint_expr_type): Remove INCLUDES.
3831         (constraint_graph): Add size, implicit_preds, rep,
3832         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3833         (FIRST_REF_NODE): New macro.
3834         (LAST_REF_NODE): Ditto.
3835         (FIRST_ADDR_NODE): Ditto.
3836         (find): New function.
3837         (unite): Ditto.
3838         (dump_constraint): Do not handle INCLUDES.
3839         (insert_into_complex): Do not insert duplicate constraints.
3840         (condense_varmap_nodes): Renamed and rewritten into ...
3841         (merge_node_constraints): This. Also fix bug in handling of
3842         offseted copy constraints.
3843         (clear_edges_for_node): No longer need to deal with preds at all,
3844         or removing associated preds/succs.
3845         (merge_graph_nodes): Deal with indirect_cycles.
3846         Don't deal with predecessors.
3847         (add_implicit_graph_edge): New function.
3848         (add_pred_graph_edge): Ditto.
3849         (add_graph_edge): Don't deal with predecessors.
3850         (build_constraint_graph): Removed.
3851         (build_pred_graph): New function.
3852         (build_succ_graph): Ditto.
3853         (struct scc_info): Removed in_component. Added roots, dfs, and
3854         node_mapping. Remove visited_index, unification_queue.
3855         (scc_visit): Deal with union-find we do now.
3856         Deal with cycles with REF nodes.
3857         (collapse_nodes): Renamed and rewritten to ...
3858         (unify_nodes): This.
3859         (process_unification_queue): Removed.
3860         (topo_visit): Cleanup
3861         (do_da_constraint): Use find.
3862         (do_sd_constraint): Ditto.
3863         (do_ds_constraint): Ditto.
3864         (do_complex_constraint): Ditto.
3865         (init_scc_info): Update for removed and added members.
3866         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3867         (find_indirect_cycles): This.
3868         (equivalence_class): New variable.
3869         (label_visit): New function.
3870         (perform_variable_substitution): Rewritten.
3871         (free_var_substitution_info): New function.
3872         (find_equivalent_node): Ditto.
3873         (move_complex_constraints): Ditto.
3874         (eliminate_indirect_cycles): Ditto.
3875         (solve_graph): Only propagate changed bits.
3876         Use indirect cycle elimination.
3877         Use find.
3878         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3879         (tree_id_eq): Renamed to ...
3880         (tree_vi_eq): This. Update for member change
3881         (insert_id_for_tree): Renamed and rewritten to ...
3882         (insert_vi_for_tree): This.
3883         (lookup_id_for_tree): Renamed and rewritten to ...
3884         (lookup_vi_for_tree): This.
3885         (get_id_for_tree): Renamed and rewritten to ...
3886         (get_vi_for_tree): Ditto.
3887         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3888         (process_constraint): Don't handle INCLUDES.
3889         Remove special ADDRESSOF case.
3890         (find_func_aliases): Rewrite to use vi functions instead of id
3891         ones.
3892         (create_function_info_for): Ditto.
3893         (create_variable_info_for): Ditto.
3894         (intra_create_variable_infos): Ditto.
3895         (merge_smts_into): Ditto.
3896         (find_what_p_points_to): Ditto.
3897         (init_base_vars): Ditto.
3898         (init_alias_vars): Ditto.
3899         (remove_preds_and_fake_succs): New function.
3900         (dump_sa_points_to_info): Dump new stats.
3901         (dump_solution_for_var): Use find.
3902         (set_used_smts): Fix formatting.
3903         (compute_points_to_sets): Updated for new functions.
3904         (ipa_pta_execute): Ditto.
3905
3906 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3907             Richard Sandiford  <richard@codesourcery.com>
3908
3909         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3910         parallels.
3911         * calls.c (expand_call): If the return value is a PARALLEL,
3912         extract its first member.
3913         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3914         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3915         use FUNCTION_EXTRA_EPILOGUE.
3916         (m68k_function_value): Return a PARALLEL if the return value
3917         is of a pointer type.
3918         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3919         (FUNCTION_EXTRA_EPILOGUE): Remove.
3920         * config/m68k/m68k.md (D0_REG): New constant.
3921
3922 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3923
3924         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3925         output a NOP for empty epilogues.
3926
3927 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3928
3929         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
3930         before function.  Extend register save check to include all
3931         registers, not just integer ones.
3932
3933 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3934
3935         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
3936         (m68k_use_return_insn): ...this.
3937         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
3938         * config/m68k/m68k.c (use_return_insn): Rename to...
3939         (m68k_use_return_insn): ...this.
3940         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
3941         of USE_RETURN_INSN.
3942
3943 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
3944
3945         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
3946         nearest even, fix denormal rounding overflow.
3947
3948 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3949
3950         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
3951         f%$smove and f%$move.
3952         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
3953         (extendsfdf2_cf): Use fdmove instead of f%&move.
3954         (truncdfsf2_cf): Use fsmove instead of f%$smove.
3955         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
3956
3957 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3958
3959         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
3960         GPR<-GPR moves.
3961
3962 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3963
3964         * real.h (real_format): Add a canonical_nan_lsbs_set field.
3965         (coldfire_single_format): Declare.
3966         (coldfire_double_format): Likewise.
3967         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
3968         of qnan_msb_set to determine the lower bits of a canonical
3969         NaN significand.
3970         (encode_ieee_double): Likewise.
3971         (encode_ieee_quad): Likewise.
3972         (ieee_single_format): Initialize canonical_nan_lsbs_set.
3973         (mips_single_format): Likewise.
3974         (ieee_double_format): Likewise.
3975         (mips_double_format): Likewise.
3976         (ieee_extended_motorola_format): Likewise.
3977         (ieee_extended_intel_96_format): Likewise.
3978         (ieee_extended_intel_128_format): Likewise.
3979         (ieee_extended_intel_96_round_53_format): Likewise.
3980         (ibm_extended_format): Likewise.
3981         (mips_extended_format): Likewise.
3982         (ieee_quad_format): Likewise.
3983         (mips_quad_format): Likewise.
3984         (vax_f_format): Likewise.
3985         (vax_d_format): Likewise.
3986         (vax_g_format): Likewise.
3987         (i370_single_format): Likewise.
3988         (i370_double_format): Likewise.
3989         (decimal_single_format): Likewise.
3990         (decimal_double_format): Likewise.
3991         (decimal_quad_format): Likewise.
3992         (c4x_single_format): Likewise.
3993         (c4x_extended_format): Likewise.
3994         (real_internal_format): Likewise.
3995         (coldfire_single_format): New real_format.
3996         (coldfire_double_format): Likewise.
3997         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
3998         canonical_nan_lsbs_set.
3999         (pdp11_d_format): Likewise.
4000         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4001         if TARGET_COLDFIRE_CPU.
4002
4003 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4004
4005         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4006         (output_call, m68k_legitimize_call_address): Declare.
4007         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4008         parenthesees.  Add support for a 'W' constraint.
4009         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4010         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4011         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4012         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4013         variables.
4014         (override_options): Initialize them.  Do not set flag_no_function_cse
4015         for TARGET_ID_SHARED_LIBRARY.
4016         (m68k_output_pic_call): Delete.
4017         (m68k_legitimize_call_address): New function.
4018         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4019         (output_call): New function.
4020         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4021         target address from the GOT if symbolic jumps are not allowed.
4022         * config/m68k/m68k.md (call, general_operand): Do not set
4023         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4024         Merge separate flag_pic and !flag_pic define_insns into...
4025         (*call, *call_value): ...these new patterns.  Match the address
4026         rather than the containing MEM and require it to be a call_operand.
4027         Use output_call to generate the asm template.
4028         * config/m68k/predicates.md (const_call_operand): New predicate.
4029         (call_operand): Likewise.
4030
4031 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4032
4033         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4034         (STACK_GROWS_DOWNWARD): Define to 1.
4035         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4036         comments, emphasizing that these values are only defaults.
4037         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4038         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4039
4040 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4041
4042         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4043
4044 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4045             Richard Sandiford  <richard@codesourcery.com>
4046
4047         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4048         (FP_REGNO_P): New macros.
4049         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4050         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4051         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4052         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4053
4054 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4055
4056         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4057         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4058         to $tmake_file.
4059         * config/m68k/t-floatlib: New file, extracting common code from...
4060         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4061         * config/m68k/t-uclinux: Here.
4062         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4063         routines on ColdFire targets.
4064
4065 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4066
4067         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4068         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4069         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4070         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4071         explicitly set MOTOROLA to 1.
4072         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4073
4074 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4075             Nathan Sidwell  <nathan@codesourcery.com>
4076
4077         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4078         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4079         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4080         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4081         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4082         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4083         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4084         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4085         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4086         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4087         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4088         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4089         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4090         (DBX_REGISTER_NUMBER): Delete.
4091         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4092         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4093         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4094
4095 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4096
4097         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4098         * config/flat.h: New file.
4099         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4100         OBJECT_FORMAT_FLAT.
4101         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4102         indirect references for -msep-data or -mid-shared-library.
4103         Do not use PC-relative code addresses either.
4104         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4105         to -mpcrel.
4106         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4107         for shared libraries and crt1.o for executables.  Use crti.o and
4108         crtbegin.o.
4109         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4110         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4111         Do not add -elf2flt or -shared-lib-id options here.
4112         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4113         Pass -shared-lib-id if -mid-shared-library, taking the library
4114         identifier from -mshared-library-id if given, otherwise
4115         defaulting to 0.
4116         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4117         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4118         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4119         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4120         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4121         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4122         and crtend.o.
4123         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4124         jump sequence for ISA A and ISA A+.
4125         (PICJUMP): Likewise.
4126
4127 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4128
4129         * config.gcc (m68k-*-uclinux*): Base the port on the common
4130         and m68k GNU/Linux files rather than on the generic ELF ones.
4131         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4132         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4133
4134 2007-01-18  Julian Brown  <julian@codesourcery.com>
4135             Richard Sandiford  <richard@codesourcery.com>
4136
4137         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4138         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4139         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4140         before redefining.
4141         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4142         80 unconditionally.
4143         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4144
4145 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4146
4147         * doc/install.texi: Document m68k-uclinuxoldabi.
4148         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4149         * config/m68k/uclinux-oldabi.h: New file, copied from
4150         config/m68k/uclinux.h.
4151
4152 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4153
4154         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4155         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4156         (m32r_compute_frame_size): Use unsigned for regno.
4157         (m32r_reload_lr): Use gen_frame_mem.
4158         (pop): New.
4159         (m32r_output_function_epilogue): Don't output the function epilogue
4160         textually here.
4161         (m32r_expand_epilogue): New.
4162         (direct_return): Return false if the function has the interrupt
4163         attribute.
4164         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4165         * config/m32r/m32r.md (epilogue): New expander.
4166         (return_lr, return_rte): New insns.
4167         (return): Make it expander.
4168         (return_normal): New expander.
4169
4170 2007-01-18  Josh Conner  <jconner@apple.com>
4171
4172         PR target/30485
4173         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4174         support for UNLE, UNLT, UNGE, and UNGT.
4175
4176 2007-01-18  Jan Hubicka  <jh@suse.cz>
4177
4178         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4179         * tree-tailcall (add_virtual_phis): Likewise.
4180         (optimize_tail_call): Return TODOs.
4181         (execute_tail_calls): Return TODOs.
4182         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4183         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4184         changed.
4185         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4186         Cleanup cfg using TODO.
4187         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4188         * passes.c (execute_function_todo): When cleanup did something, remove
4189         unused locals.
4190         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4191         (make_edges): Don't cleanup_cfg.
4192
4193 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4194
4195         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4196         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4197         operate on the top of stack.
4198         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4199         register handling of instructions that output to the second
4200         stack slot.
4201         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4202         (move_for_stack_reg): Special-case check for dead destination
4203         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4204
4205         * config/i386/i386.md (UNSPEC_TAN): New constant.
4206         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4207         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4208         to correctly model move of constant 1.0 to top stack slot.
4209         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4210         (unnamed peephole2 pattern): Remove corresponding peephole2
4211         pattern that optimizes tan insn and loading of constant 1.0.
4212         (tanxf2): Use fptanxf4_i387.
4213         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4214         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4215         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4216         disable patterns for SSE math.
4217         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4218         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4219
4220 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4221             Richard Guenther <rguenther@suse.de>
4222
4223         PR diagnostic/8268
4224         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4225         * common.opt (Warray-bounds): Add new warning option.
4226         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4227         if -Wall is given.
4228         * Makefile.in: make tree-vrp.o depend on toplev.h
4229         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4230         is enabled.
4231         (check_array_refs, check_array_bounds, check_array_ref): New.
4232
4233 2007-01-18  Jan Hubicka  <jh@suse.cz>
4234
4235         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4236         (execute_ssa_ccp): Return flags conditionally.
4237         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4238         changed.
4239         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4240
4241 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4242
4243         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4244         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4245
4246         * Makefile.c (GTFILES): Add cfglayout.h.
4247         * gengtype.c (open_base_files): Likewise.
4248         * cfglayout.c (cfg_layout_function_footer,
4249         cfg_layout_function_header) Reindent to make gengtype happy.
4250         * cfglayout.h (cfg_layout_function_footer,
4251         cfg_layout_function_header): Add GTY(()) marker.
4252
4253         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4254
4255 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4256
4257         * genautomata.c (write_automata): Include xstrerror output in the
4258         error message if writing the DFA description file fails.
4259
4260 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4261
4262         * config/mips/mips-protos.h (mips_output_external): Make it
4263         return void.
4264         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4265         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4266         (extern_list): Likewise.
4267         (extern_head): Likewise.
4268         (TARGET_ASM_FILE_END): Likewise.
4269         (mips_file_end): Likewise.
4270         (mips_output_external): Rewritten.
4271
4272 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4273
4274         * genpreds.c (write_insn_preds_c): Only write out the function
4275         body for regclass_for_constraint if we have register constraints.
4276
4277 2007-01-17  Tom Tromey  <tromey@redhat.com>
4278
4279         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4280         * doc/install.texi (Testing): Use sourceware.org.
4281         (Binaries): Likewise.
4282         (Specific): Likewise.
4283         * doc/contrib.texi (Contributors): Use sourceware.org.
4284
4285 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4286
4287         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4288         (AVR_ENHANCED): Rename to ...
4289         (AVR_HAVE_MUL): ... new.
4290         (avr_enhanced_p): Rename to ...
4291         (avr_have_mul_p): ... new.
4292         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4293         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4294         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4295         (avr_have_mul_p): ... new.
4296         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4297         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4298         'avr_enhanced_p' and 'enhanced'.
4299         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4300         AVR_HAVE_MUL instead of AVR_ENHANCED.
4301         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4302         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4303         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4304         instead of AVR_ENHANCED.
4305         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4306         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4307         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4308
4309 2007-01-17  Ian Lance Taylor  <iant@google.com>
4310
4311         * vec.h (VEC_reserve_exact): Define.
4312         (vec_gc_p_reserve_exact): Declare.
4313         (vec_gc_o_reserve_exact): Declare.
4314         (vec_heap_p_reserve_exact): Declare.
4315         (vec_heap_o_reserve_exact): Declare.
4316         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4317         versions.
4318         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4319         negative parameter.
4320         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4321         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4322         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4323         * vec.c (calculate_allocation): Add exact parameter.  Change all
4324         callers.
4325         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4326         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4327         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4328         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4329         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4330         (vec_heap_p_reserve_exact): New function.
4331         (vec_heap_o_reserve_exact): New function.
4332
4333 2007-01-17  Jan Hubicka  <jh@suse.cz>
4334
4335         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4336
4337 2007-01-17  Eric Christopher  <echristo@apple.com>
4338
4339         * config.gcc: Support core2 processor.
4340
4341 2007-01-16  Jan Hubicka  <jh@suse.cz>
4342
4343         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4344         the names, just unlink the chain so we don't crash on dangling pointers
4345         to dead SSA names.
4346
4347 2007-01-16  Jan Hubicka  <jh@suse.cz>
4348
4349         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4350         * tree-pass.h: Reorder to make IPA passes appear toegher.
4351         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4352         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4353         parameters, do not call early inliner.
4354         * ipa-inline.c: Update comments.  Include tree-flow.h
4355         (cgraph_decide_inlining): Do not compute inlining parameters.
4356         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4357         be called with function context set up.
4358         (pass_ipa_inline): Remove unreachable functions before pass.
4359         (cgraph_early_inlining): Simplify assuming to be called from the
4360         PM as local pass.
4361         (pass_early_inline): New pass.
4362         (cgraph_gate_ipa_early_inlining): New gate.
4363         (pass_ipa_early_inline): Turn into simple wrapper.
4364         (compute_inline_parameters): New function.
4365         (gate_inline_passes): New gate.
4366         (pass_inline_parameters): New pass.
4367         (apply_inline): Move here from tree-optimize.c
4368         (pass_apply_inline): New pass.
4369         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4370         transforming.
4371         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4372         doing them by hand.
4373         (tree_function_versioning): Do not allocate dummy struct function.
4374         * tree-inline.h (optimize_inline_calls): Update prototype.
4375         * tree-optimize.c (execute_fixup_cfg): Export.
4376         (pass_fixup_cfg): Remove
4377         (tree_rest_of_compilation): Do not apply inlines.
4378         * tree-flow.h (execute_fixup_cfg): Declare.
4379         * Makefile.in (gt-passes.c): New.
4380         * passes.c: Include gt-passes.h
4381         (init_optimization_passes): New passes.
4382         (nnodes, order): New static vars.
4383         (do_per_function_toporder): New function.
4384         (execute_one_pass): Dump current pass here.
4385         (execute_ipa_pass_list): Don't dump current pass here.
4386
4387 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4388
4389         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4390         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4391
4392 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4393
4394         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4395         (strong_alias): Define.
4396         (__gcc_qmul): Provide non-FMA for soft-float.
4397         (__gcc_qdiv): Same.
4398         (__gcc_qneg): New.
4399         (__gcc_qeq): New.
4400         (__gcc_qle): New.
4401         (__gcc_qge): New.
4402         (__gcc_qunord): New.
4403         (__gcc_stoq): New.
4404         (__gcc_dtoq): New.
4405         (__gcc_qtos): New.
4406         (__gcc_qtod): New.
4407         (__gcc_qtoi): New.
4408         (__gcc_qtou): New.
4409         (__gcc_itoq): New.
4410         (__gcc_utoq): New.
4411         (fmsub): New.
4412         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4413         soft-float functions.
4414         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4415         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4416         about long double soft float.
4417
4418 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4419             Tehila Meyzels  <tehila@il.ibm.com>
4420
4421         * tree-vectorizer.h (is_pattern_stmt_p): New.
4422         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4423         formatting (tabs instead of spaces). Cleanup and clarify setting
4424         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4425         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4426         (vectorizable_type_demotion): Check that types are integral.
4427         (vectorizable_type_promotion): Likewise.
4428         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4429         comments.
4430
4431 2007-01-16  Jan Hubicka  <jh@suse.cz>
4432
4433         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4434         cgraph edges too.
4435
4436 2007-01-15  Eric Christopher  <echristo@apple.com>
4437
4438         * ifcvt.c: Include vec.h, vecprim.h.
4439         (check_cond_move_block): New argument regs.
4440         Reorganize. Add registers used to regs.
4441         (cond_move_process_if_block): Use regs set above as
4442         loop bounds.
4443
4444 2007-01-15  Eric Christopher  <echristo@apple.com>
4445
4446         * config/darwin.h: Update copyright.
4447         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4448         (LINK_COMMAND_SPEC): Add -u.
4449         (LINK_SPEC): Fix umbrella for above.
4450
4451 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4452
4453         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4454         glibc CVS.
4455
4456 2007-01-15  Tom Tromey  <tromey@redhat.com>
4457
4458         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4459         * doc/install.texi (Testing): Don't mention jacks.
4460         (Configuration): Document --enable-java-maintainer-mode.  Move
4461         --with-java-home to libgcj-specific section.  Document
4462         --with-ecj-jar.
4463         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4464
4465 2007-01-15  Jan Hubicka  <jh@suse.cz>
4466
4467         * tree-ssa-dce.c (DCE_TODOs): New.
4468         (propagate_necessity): Return if something changed.
4469         (eliminate_unnecessary_stmts): Likewise.
4470         (perform_tree_ssa_dce): Return TODO flags when needed.
4471         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4472
4473 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4474
4475         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4476         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4477         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4478         patterns using X87MODEF12 mode macro.  Extend operand 1
4479         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4480         (log10<mode>2): Ditto.
4481         (log2<mode>2): Ditto.
4482         (log1p<mode>2): Ditto.
4483         (logb<mode>2): Ditto.
4484         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4485         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4486         (*fxtractxf3_i387): Rename from *fxtractxf3.
4487         (fxtract_extend<mode>xf3_i387): New insn pattern.
4488         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4489         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4490         and gen_fyl2xxf3_i387().
4491
4492 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4493
4494         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4495         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4496         get_loop_exit_edges.  Changed return type to bool.
4497         * cfgloop.h (fix_loop_placement): Declaration removed.
4498
4499 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4500
4501         * param.h (MIN_VECT_LOOP_BOUND): New.
4502         * params.def (MIN_VECT_LOOP_BOUND): New.
4503         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4504         argument - minimum threshold for number of iterations.
4505         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4506         argument to declaration.
4507         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4508         MIN_VECT_LOOP_BOUND.
4509         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4510         slpeel_tree_peel_loop_to_edge with additional argument.
4511         (vect_do_peeling_for_alignment): Likewise.
4512         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4513
4514 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4515
4516         PR target/30413
4517         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4518         operands of size 1.
4519
4520 2007-01-14  Jan Hubicka  <jh@suse.cz>
4521
4522         * tree-dfa.c (remove_referenced_var): New function.
4523         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4524         prune referenced vars list too.
4525         * tree-flow.h (remove_referenced_var): Declare.
4526
4527 2007-01-14  Jan Hubicka  <jh@suse.cz>
4528
4529         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4530         separately.
4531         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4532         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4533         * except.h (verify_eh_throw_table_statements): Kill prototype.
4534         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4535         into call exrepssions.
4536         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4537         eh trhow verifier.
4538         * tree-cfg.c: Include pointer-set.h.
4539         (verify_node_sharing): Work on pointer set.
4540         (verify_eh_throw_stmt_node): New.
4541         (verify_stmts): Use pointers sets, verify throw_stmt.
4542
4543 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4544
4545         * ipa-reference.c (analyze_function): Consider also addresses taken
4546         in phi nodes.
4547
4548 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4549
4550         * c-typeck.c (null_pointer_constant_p): Replace use of
4551         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4552         (build_c_cast): Likewise.
4553
4554 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4555
4556         * tree.h (force_fit_type_double): Remove unused final argument.
4557         * c-common.c (constant_expression_warning): Replace use of
4558         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4559         (convert_and_check): Likewise.
4560         (shorten_compare): Update call to force_fit_type_double.
4561         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4562         * convert.c (convert_to_pointer): Update call to
4563         force_fit_type_double.
4564         * fold-const.c (force_fit_type_double): Remove overflowed_const
4565         argument.
4566         (int_const_binop, fold_convert_const_int_from_int,
4567         fold_convert_const_int_from_real, fold_div_compare,
4568         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4569         fold_abs_const, fold_not_const): Remove the final argument from
4570         calls to force_fit_type_double.
4571
4572 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4573
4574         * configure.ac: Set insn to "nop" for spu-*-* also.
4575         * configure: Regenerate.
4576
4577 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4578
4579         * builtins.def : Add BUILT_IN_FREE.
4580
4581 2007-01-12  Jan Hubicka  <jh@suse.cz>
4582
4583         PR tree-optimization/30443
4584         * tree-inline.c (tree_function_versioning): Do not optimize when
4585         cloning for inlining.
4586
4587 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4588
4589         * doc/loop.texi: Document recording of loop exits.
4590         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4591         (update_single_exits_after_duplication,
4592         update_single_exit_for_duplicated_loop,
4593         update_single_exit_for_duplicated_loops): Removed.
4594         (duplicate_loop_to_header_edge): Do not call
4595         update_single_exits_after_duplication and
4596         update_single_exit_for_duplicated_loops.
4597         (loop_version): Do not update single_exit information.
4598         (fix_loop_structure): Use record_loop_exits instead of
4599         mark_single_exit_loops.
4600         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4601         the lists of loop exits.
4602         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4603         split_edge, merge_blocks): Update the lists of loop exits.
4604         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4605         loop_optimizer_init.
4606         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4607         of mark_single_exit_loops.
4608         (loop_optimizer_finalize): Call release_recorded_exits.
4609         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4610         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4611         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4612         update single exit information.
4613         * lambda-code.c (perfect_nestify): Ditto.
4614         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4615         (mark_single_exit_loops): Removed.
4616         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4617         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4618         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4619         functions.
4620         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4621         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4622         (verify_loop_structure): Verify consistency of the exit lists.
4623         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4624         (set_single_exit): Removed.
4625         * cfgloop.h (struct loop_exit): New function.
4626         (struct loop): single_exit_ field replaced by exits field.
4627         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4628         (struct loops): Added exits hash.
4629         (mark_single_exit_loops, set_single_exit): Declaration removed.
4630         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4631
4632 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4633
4634         * doc/invoke.texi: Avoid use of @headitem.
4635
4636 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4637
4638         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4639
4640 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4641
4642         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4643         list of targets.
4644
4645 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4646             Richard Sandiford  <richard@codesourcery.com>
4647
4648         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4649         * config/m68k/m68k.opt: Resort options.
4650         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4651
4652 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4653             Richard Sandiford  <richard@codesourcery.com>
4654
4655         * doc/invoke.texi: Document the macros that are defined by
4656         m68k's -mtune and -mhard-float options.
4657         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4658         (m68k_cpp_cpu_family): Likewise.
4659         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4660         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4661         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4662         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4663         (m68k_cpp_cpu_family): Likewise.
4664
4665 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4666
4667         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4668         macros besides mc68000 as tuning macros.  Use a switch statement
4669         to set them and mcpu32.
4670
4671 2007-01-12  Julian Brown  <julian@codesourcery.com>
4672
4673         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4674         (TARGET_68040_ONLY): Rename to...
4675         (TARGET_68040): ...this.
4676         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4677         * config/m68k/m68k.md: Likewise.
4678
4679 2007-01-12  Julian Brown  <julian@codesourcery.com>
4680             Nathan Sidwell  <nathan@codesourcery.com>
4681             Richard Sandiford  <richard@codesourcery.com>
4682
4683         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4684         the -mcpu= argument associated with the --with-cpu setting.
4685         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4686         if different from the one implied by the -mcpu setting.
4687         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4688         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4689         * doc/invoke.texi: Mention ColdFire in the introduction to the
4690         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4691         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4692         -mhard-float.  Document the previously-undocumented -m5206e,
4693         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4694         documentation for consistency.
4695         * doc/install.texi: Mention new --with-cpu arguments.
4696         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4697         default CPU if neither -mcpu nor -march are specified.
4698         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4699         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4700         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4701         using m68k_tune to decide between families that implement the
4702         same ISA.  Use m68k_tune to set __mcfv4e__.
4703         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4704         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4705         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4706         (FL_ISA_C, FL_ISA_MMU): New macros.
4707         (MASK_COLDFIRE): Delete.
4708         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4709         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4710         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4711         (TARGET_HARD_FLOAT): Do not define here.
4712         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4713         (TUNE_68000): New macro.
4714         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4715         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4716         (TUNE_CFV2): Redefine in terms of m68k_tune.
4717         (uarch_type, target_device, fpu_type): New enums.
4718         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4719         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4720         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4721         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4722         (FL_FOR_isa_c): New macros.
4723         (m68k_isa): New enum.
4724         (m68k_target_selection): New structure.
4725         (all_devices, all_isas, all_microarchs): New tables.
4726         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4727         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4728         (MASK_ALL_CPU_BITS): Delete.
4729         (m68k_find_selection): New function.
4730         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4731         Map the legacy target options to a combination of the new ones.
4732         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4733         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4734         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4735         settings.
4736         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4737         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4738         properties.
4739         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4740         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4741         * config/m68k/m68k-devices.def: New file.
4742
4743 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4744             Nathan Sidwell  <nathan@codesourcery.com>
4745
4746         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4747         (SUBTARGET_EXTRA_SPECS): New macros.
4748         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4749         use %(asm_cpu_spec) instead.
4750         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4751         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4752         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4753         (EXTRA_SPECS): Rename to...
4754         (SUBTARGET_EXTRA_SPECS): ...this.
4755
4756 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4757             Richard Sandiford  <richard@codesourcery.com>
4758             Julian Brown  <julian@codesourcery.com>
4759
4760         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4761         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4762         to the configuration's default CPU.
4763         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4764         Remove default masks.
4765         (m680[012]0-*-*): Set the default with_cpu to the first part of
4766         the target name.
4767         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4768         (m68k*-*-linux): Extend the --with-cpu handling to...
4769         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4770         and m68010.  Don't set target_cpu_default2.
4771         * doc/install.texi: Document --with-cpu for m68k.
4772         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4773         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4774         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4775         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4776         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4777         (ASM_SPEC): Remove use of %(asm_cpu_default).
4778         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4779         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4780         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4781         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4782         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4783         (TARGET_DEFAULT): Delete.
4784         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4785         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4786         (CPP_CPU_SPEC): Delete.
4787         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4788         the appropriate string.
4789         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4790         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4791         (ASM_SPEC): Don't use %(asm_default_spec).
4792         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4793         TARGET_DEFAULT and add MASK_68881.
4794         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4795
4796 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4797
4798         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4799         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4800         MASK_68010 alongside MASK_68020.
4801         * doc/invoke.texi: Document -m68010.
4802         * config/m68k/m68k.opt (m68010): New.
4803         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4804         if TUNE_68010.
4805         (TUNE_68010): New macro.
4806         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4807         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4808         (M68K_CPU_m68332): Add MASK_68010.
4809         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4810         fallback definition.
4811         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4812         defines.
4813         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4814         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4815         to all entries that use MASK_68020.
4816         (output_move_simode_const, output_move_himode, output_move_qimode)
4817         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4818         instead of TARGET_68020 to select clr behavior.  Remove comment
4819         about there being no TARGET_68010.
4820         * config/m68k/m68k.md: Likewise throughout.
4821
4822 2007-01-12  Julian Brown  <julian@codesourcery.com>
4823
4824         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4825         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4826         * config/m68k/m68k.md: Likewise.
4827
4828 2007-01-12  Julian Brown  <julian@codesourcery.com>
4829
4830         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4831         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4832
4833 2007-01-12  Julian Brown  <julian@codesourcery.com>
4834
4835         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4836         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4837         * config/m68k/m68k.md: Likewise.
4838
4839 2007-01-12  Julian Brown  <julian@codesourcery.com>
4840             Richard Sandiford  <richard@codesourcery.com>
4841
4842         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4843         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4844         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4845         TARGET_CPU32.
4846         (TARGET_CPU32): Rename to...
4847         (TUNE_CPU32): ...this.
4848         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4849         (TUNE_CFV2): New macros.
4850         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4851         remove conditions that are implied by TARGET_68020.
4852         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4853         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4854         (m68k_output_function_epilogue): Likewise.
4855         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4856         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
4857         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4858         non-68000 timings.  Refactor multiplication and division costs.
4859         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4860         TUNE_CPU32 instead of TARGET_CPU32.
4861         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4862         and TUNE_68060 instead of TARGET_68060.
4863         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4864         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4865         TARGET_CPU32.
4866         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4867         && !TARGET_COLDFIRE" to choose between moveq and clr.
4868         Likewise in the unnamed movsf pattern.
4869         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4870         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
4871         ashiftrt pattern.
4872
4873 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4874
4875         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4876         of tabbing before backslashes.
4877
4878 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4879
4880         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4881         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4882         (ASM_OUTPUT_INTERNAL_LABEL): Define.
4883
4884 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4885
4886         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4887         find_interesting_uses_cond.
4888         (find_interesting_uses_cond): Use extract_cond_operands.
4889         (rewrite_use_compare): Use extract_cond_operands and
4890         force_gimple_operand_bsi.  Do not call update_stmt.
4891         (determine_use_iv_cost_condition): Use extract_cond_operands.
4892         Return cheaper of using original bound and changing the exit bound.
4893
4894 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4895
4896         PR tree-optimization/29516
4897         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4898         most_expensive_mult_to_index, addr_to_parts,
4899         create_mem_ref, maybe_fold_tmr): Make the type of
4900         fields of TARGET_MEM_REF sizetype.
4901         (move_fixed_address_to_symbol, move_pointer_to_base):
4902         New functions.
4903         * tree.def (TARGET_MEM_REF): Add comment on types of
4904         the operands.
4905
4906 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
4907
4908         * c-common.c (vector_types_convertible_p): Treat opaque types as
4909         always convertible if they have the same size, but not otherwise.
4910
4911 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
4912
4913         * ifcvt.c (struct noce_if_info): Add comments to the fields.
4914         Remove the b_unconditional field.
4915         (noce_try_sign_mask): Do not look at b_unconditional.
4916         (noce_process_if_block): Do not use merge_if_blocks.  Update
4917         the CFG here.  Do not set b_unconditional.
4918         (cond_move_process_if_block): Likewise.
4919         (find_cond_trap): Likewise.
4920         (check_cond_move_block): Require simple jump insns at the end
4921         of the basic block.
4922
4923 2007-01-11  Jan Hubicka  <jh@suse.cz>
4924
4925         PR tree-optimization/1046
4926         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
4927         when alias info is not ready.
4928         (pass_tail_recursion): Do not require aliasing.
4929         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
4930         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
4931         * tree-ssa-copy.c (pass_copy_prop): Likewise.
4932         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4933         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
4934         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
4935         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
4936         before inlining.
4937         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
4938         When aliasing is not build, mark statement as volatile.
4939
4940 2007-01-11  Tom Tromey  <tromey@redhat.com>
4941
4942         PR preprocessor/15185, PR preprocessor/20989:
4943         * doc/cppopts.texi <-MT>: Update description of algorithm for
4944         computing default target.
4945         <-M, -MD>: Reword "basename" text.
4946
4947 2007-01-11  Roger Sayle  <roger@eyesopen.com>
4948
4949         * builtins.c (expand_builtin_pow, expand_builtin_powi,
4950         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
4951         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4952         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
4953         fold_builtin_bswap, real_constp, fold_builtin_pow,
4954         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
4955         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
4956         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4957         * convert.c (convert_to_pointer): Likewise.
4958         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4959         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
4960         const_binop, fold_convert_const_int_from_int,
4961         fold_convert_const_int_from_real,
4962         fold_convert_const_real_from_real, sign_bit_p,
4963         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
4964         fold_sign_changed_comparison, fold_unary, fold_comparison,
4965         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
4966         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4967         * print-tree.c (print_node_brief, print_node): Likewise.
4968         * stor-layout.c (place_field, layout_type): Likewise.
4969         * tree-chrec.c (keep_cast): Likewise.
4970         * tree.c (build_vector, build_real, build_real_from_int_cst,
4971         build_complex): Likewise.
4972
4973 2007-01-11  Roger Sayle  <roger@eyesopen.com>
4974
4975         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
4976         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
4977
4978 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
4979
4980         * configure.ac (strict1_warn): Rename to strict_warn.
4981         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
4982         cc_set_by_configure, quoted_cc_set_by_configure,
4983         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
4984         all_boot_languages, all_stagestuff): Remove.
4985         (target_list): Remove bootstrap targets.
4986         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
4987         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
4988         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
4989         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
4990         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
4991         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
4992         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
4993         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
4994         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
4995         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
4996         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
4997         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
4998         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
4999         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5000         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5001         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5002         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5003         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5004         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5005         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5006         (mostlyclean): Adjust.
5007         (clean, distclean): Don't mention bootstrap stuff.
5008         * configure: Regenerate.
5009         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5010         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5011         treelang/config-lang.in (stagestuff): Remove.
5012         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5013         stageprofile, stagefeedback, stagestuff): Remove mention.
5014
5015 2007-01-11  Nick Clifton  <nickc@redhat.com>
5016
5017         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5018         Accept CONSTs.
5019         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5020         (mcore_arith_K_S_operand): Run the test for the S constraint not
5021         the test for the M constraint.
5022         (mcore_addsub_operand): Do not accept integer values that are
5023         larger than 32 bits.
5024         * config/mcore/mcore.md: Remove unused constraints from split.
5025         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5026         (addsi3): Likewise.
5027         (allocate_stack): Likewise.
5028         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5029         operands to 32 bits.
5030         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5031         INTVAL.
5032         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5033         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5034         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5035         mcore_output_bclri, mcore_output_andn, output_inline_const,
5036         mcore_output_move, mcore_output_movedouble): Likewise.
5037         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5038         (output_inline_const): Likewise.
5039         (output_inline_const): Fix format strings used in sprintf
5040         statements.
5041         * config/mcore/mcore-protos.h: Update prototypes for changed
5042         functions in mcore.c.
5043         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5044         HOST_WIDE_INT and not int.
5045         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5046         CONST_OK_FOR_N): Likewise.
5047         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5048         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5049         an INTVAL.
5050
5051 2007-01-10  Jan Hubicka  <jh@suse.cz>
5052
5053         * tree-vrp.c (remove_range_assertions): Release defs.
5054         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5055         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5056
5057 2007-01-10  Paul Brook  <paul@codesourcery.com>
5058
5059         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5060         * config/arm/arm.md (mulsi3subsi): New insn.
5061
5062 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5063
5064         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5065         (tree_transform_and_unroll_loop): New.
5066         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5067         Declare.
5068
5069 2007-01-10  Robert Kennedy <jimbob@google.com>
5070
5071         * fold-const.c (fold_comparison): Fold comparisons like (x *
5072         1000 < 0) to (x < 0).
5073
5074 2007-01-10  Ian Lance Taylor  <iant@google.com>
5075
5076         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5077         operands have the same priority.
5078
5079 2007-01-10  Tom Tromey  <tromey@redhat.com>
5080
5081         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5082         (fold_binary): Likewise.
5083         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5084         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5085         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5086         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5087         * langhooks.h (struct lang_hooks): Removed field
5088         'can_use_bit_fields_p'.
5089
5090 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5091
5092         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5093
5094 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5095
5096         * function.c (get_last_funcdef_no): New function.
5097         * function.h (get_last_funcdef_no): Declare.
5098         * tree-inline.c (initialize_cfun): Add initialization.
5099         (tree_function_versioning): Cleanup.
5100
5101 2007-01-10  Jan Hubicka  <jh@suse.cz>
5102
5103         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5104         PHIs.
5105
5106 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5107             Ben Elliston  <bje@au.ibm.com>
5108
5109         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5110         for SAVE_NONLOCAL and Pmode for any other save level.
5111         * spu-protos.h (spu_restore_stack_block): Declare.
5112         * spu.md (save_stack_block): Remove.
5113         (restore_stack_block): Call spu_restore_stack_block.
5114         * spu.c (spu_restore_stack_block): New function.
5115         (spu_expand_epilogue): Remove old comment.
5116
5117 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5118
5119         PR tree-optimization/30322
5120         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5121         (cand_value_at): Return the value as aff_tree.
5122         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5123         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5124         aff_combination_mult): New functions.
5125         (aff_combination_add): Use aff_combination_add_cst.
5126         (aff_combination_convert): Allow conversions to a wider type.
5127         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5128         * tree-affine.h (aff_combination_mult): Declare.
5129
5130 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5131
5132         * doc/tm.texi: Update documentation to reflect reality of exec
5133         and start file search behaviours. Update copyright year.
5134         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5135         header file directories.
5136
5137 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5138
5139         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5140         (*cosxf2): Rename to cosxf2_i387.
5141         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5142         using X87MODEF12 mode macro. Rename patterns to
5143         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5144         for SSE math.
5145         (*cosdf2, *cossf2): Ditto.
5146         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5147         to match extended input operands.
5148         (sincos<mode>3): New expander.
5149         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5150         insn patterns and corresponding splitters.
5151
5152 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5153
5154         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5155         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5156
5157 2007-01-09  Nicolas Pitre  <nico@cam.org>
5158
5159         PR target/30173
5160         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5161
5162 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5163
5164         * target.h (struct gcc_target): New field library_rtti_comdat.
5165         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5166         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5167         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5168         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5169
5170 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5171
5172         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5173
5174 2007-01-08  Richard Guenther  <rguenther@suse.de>
5175
5176         * tree.h (force_fit_type_double): Export.
5177         (force_fit_type): Remove.
5178         * fold-const.c (force_fit_type_double): New function.
5179         (force_fit_type): Remove.
5180         (int_const_binop): Use it.
5181         (fold_convert_const_int_from_int): Likewise.
5182         (fold_convert_const_int_from_real): Likewise.
5183         (fold_div_compare): Likewise.
5184         (fold_sign_changed_comparison): Likewise.
5185         (fold_unary): Likewise.
5186         (fold_negate_const): Likewise.
5187         (fold_abs_const): Likewise.
5188         (fold_not_const): Likewise.
5189         * c-common.c (shorten_compare): Use force_fit_type_double.
5190         * convert.c (convert_to_pointer): Likewise.
5191
5192 2007-01-08  Richard Guenther  <rguenther@suse.de>
5193
5194         * tree.h (build_int_cst_wide_type): Export.
5195         * tree.c (build_int_cst_wide_type): New function.
5196         (build_int_cst_wide): Fix comment.
5197         * builtins.c (fold_builtin_object_size): Use build_int_cst
5198         to build -1 or 0 of the correct type.  Use fit_double_type
5199         to check for overflow.
5200         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5201         to build the mask.
5202         (decode_field_reference): Likewise.
5203         (all_ones_mask_p): Likewise.
5204         (native_interpret_int): Use build_int_cst_wide_type.
5205         (fold_binary): Use build_int_cst_type to build an all-ones
5206         value.
5207         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5208
5209 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5210
5211         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5212
5213 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5214
5215         * genautomata.c (STATS_OPTION): New option.
5216         (stats_flag): New flag.
5217         (gen_automata_option): Handle it.
5218         (initiate_automaton_gen): Ditto.
5219         (write_automata): Output statistics only if stats_flag is
5220         set. Likewise, output time statistics only if time_flag is set.
5221         * doc/md.texi (Processor pipeline description): Document new flag.
5222
5223 2007-01-08  Richard Guenther  <rguenther@suse.de>
5224
5225         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5226         * tree.c (build_int_cst_type): Likewise.
5227         (size_in_bytes): Don't call force_fit_type on the result.
5228         (int_fits_type_p): Use fit_double_type.
5229         * fold-const.c (fit_double_type): New function.
5230         (force_fit_type): Use it.
5231         * tree.h (fit_double_type): Export.
5232
5233 2007-01-08  Jan Hubicka  <jh@suse.cz>
5234
5235         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5236         * ipa.c (function_and_variable_visibility): Fix return type.
5237
5238 2007-01-08  Richard Guenther  <rguenther@suse.de>
5239
5240         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5241         of offset to build the index.
5242         * tree-pretty-print.c (dump_generic_node): Don't build negated
5243         const just for printing.
5244         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5245         * builtins.c (fold_builtin_int_roundingfn): Check if result
5246         fits the type by using force_fit_type and comparing the result.
5247         * predict.c (predict_loops): Use compare_tree_int for comparison.
5248         * tree.c (build_int_cst): Fall back to integer_type_node for
5249         NULL_TREE type.
5250         (build_int_cst_wide): Assert type is non-null.
5251
5252 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5253
5254         * tree-vrp.c (extract_range_from_cond_expr): New.
5255         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5256         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5257         as expressions.
5258         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5259         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5260         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5261         used as expressions.
5262         * tree-object-size.c (cond_expr_object_size): New.
5263         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5264
5265 2007-01-08  Jan Hubicka  <jh@suse.cz>
5266
5267         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5268         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5269         statement.
5270
5271 2007-01-08  Richard Guenther  <rguenther@suse.de>
5272
5273         PR tree-optimization/23603
5274         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5275         (extract_range_from_binary): Fall back to truthvalue instead of
5276         varying for TRUTH_*_EXPR.
5277         (extract_range_from_comparison): Fall back to truthvalue instead of
5278         varying.
5279         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5280         if all visited PHI values were constant.
5281
5282 2007-01-08  Jan Hubicka  <jh@suse.cz>
5283
5284         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5285         (cgraph_analyze_function): break out from ...
5286         (cgraph_finalize_compilation_unit): ... here.
5287         (cgraph_expand_function): Remove forgoten commented out line.
5288         (cgraph_optimize): Analyze functions.
5289
5290 2007-01-08  Jan Hubicka  <jh@suse.cz>
5291
5292         * tree-pas.h (TODO_remove_function): New flag.
5293         (TODO_update*): Renumber.
5294         (pass_ipa_increase_alignment,
5295         pass_ipa_function_and_variable_visibility): New passes.
5296         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5297         (cgraph_function_and_variable_visibility): Move to ipa.c
5298         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5299         cgraph_increase_alignment.
5300         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5301         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5302         calling tree-inline.
5303         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5304         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5305         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5306         (gate_increase_alignment): New function.
5307         (pass_ipa_increase_alignment): New pass.
5308         * ipa.c: Inline tree-pass.h and timevar.h
5309         (function_and_variable_visibility): Move here from cgraphunit.c
5310         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5311         * passes.c (init_optimization_passes): Add the two new passes.
5312         (execute_todo): Handle cgraph_remove_functions.
5313
5314 2007-01-08  Nick Clifton  <nickc@redhat.com>
5315
5316         * config/frv/predicates.md (reg_or_0_operand): Accept
5317         CONST_DOUBLEs.
5318
5319 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5320
5321         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5322         * config.gcc: Add bfin*-rtems*.
5323
5324 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5325
5326         * c.opt: Add -flax-vector-conversions.
5327         * c-typeck.c (convert_for_assignment): Pass flag to
5328         vector_types_convertible_p to allow emission of note.
5329         (digest_init): Likewise.
5330         * c-opts.c: Handle -flax-vector-conversions.
5331         * c-common.c (flag_lax_vector_conversions): New.
5332         (vector_types_convertible_p): Unless -flax-vector conversions
5333         has been passed, disallow conversions between vectors with
5334         differing numbers of subparts and/or element types.  If such
5335         a conversion is disallowed, possibly emit a note on the first
5336         occasion only to inform the user of -flax-vector-conversions.
5337         The new last argument specifies this.
5338         * c-common.h (flag_lax_vector_conversions): New.
5339         (vector_types_convertible_p): Add extra argument.
5340         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5341         char_type_node for V*QI type vectors.
5342         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5343         Update to satisfy new typechecking rules.
5344         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5345         C and C++ variants.
5346         * doc/invoke.texi (C Dialect Options): Document
5347         -flax-vector-conversions.
5348
5349 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5350
5351         PR tree-optimization/29877
5352         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5353         a register variable on the RHS to not be replaceable.
5354
5355 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5356         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5357         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5358         const_simm15, const_pow2, const_npow2): Added.
5359         * config/score/misc.md (insv, extv, extzv, movmemsi,
5360         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5361         * config/score/score.c (score_address_cost, score_select_cc_mode):
5362         Added.
5363         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5364         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5365         Update score_print_operand.
5366         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5367         Adjust register allocate order and update some macro define.
5368         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5369         mdx_block_move_straight, mdx_block_move_loop_head,
5370         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5371         mdx_block_move): Added.
5372         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5373         mdp_limm): Updated and fix some bug and typo.
5374         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5375         (movsf, movdf, doloop_end): Added.
5376
5377 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5378
5379         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5380         config/arm/thumb2.md: Fix comment typos.
5381         * doc/extend.texi: Fix a typo.
5382
5383 2007-01-07  Eric Christopher  <echristo@apple.com>
5384
5385         * configure.ac: Check for __stack_chk_fail for darwin.
5386         * configure: Regenerate.
5387
5388 2007-01-07  Richard Guenther  <rguenther@suse.de>
5389
5390         * tree-vrp.c (extract_range_from_assert): CSE calls to
5391         compare_values where possible.
5392         (extract_range_from_unary_expr): Likewise.
5393
5394 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5395
5396         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5397         * config/avr/avr.c (call_insn_operand): Delete function.
5398         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5399         instead of register number. Use predicates.
5400         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5401         call_insn_operand): Add.
5402
5403 2007-01-06  Jan Hubicka  <jh@suse.cz>
5404
5405         * tree-pass.h (pass_build_cgraph_edges): Declare.
5406         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5407         (visited_nodes): Remove.
5408         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5409         build_cgrpah_edges; make visited_nodes local.
5410         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5411         (record_references_in_initializer): Move to cgraphbuild.c
5412         (initialize_inline_failed, rebuild_cgraph_edges,
5413         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5414         (verify_cgraph_node): Make visited_nodes local.
5415         (cgraph_analyze_function): Do not call cgraph_create_edges and
5416         initialize_inline_failed.
5417         (cgraph_expand_function): Do not call cgraph_lower_function;
5418         assert that function is already lowered.
5419         * Makefile.in (cgraphbuild.o): New.
5420         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5421         at the end of lowering passes.
5422
5423 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5424
5425         * ifcvt.c (cond_move_convert_if_block): New function, code
5426         factored out from...
5427         (cond_move_process_if_block): ...here.  Call the new function
5428         on the THEN and ELSE blocks.
5429         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5430         already takes care of this.
5431
5432 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5433
5434         PR c/19978
5435         * tree.h (TREE_OVERFLOW_P): New.
5436         * c-typeck.c (parser_build_unary_op): Warn only if result
5437         overflowed and operands did not.
5438         (parser_build_binary_op): Likewise.
5439         (convert_for_assignment): Remove redundant overflow_warning.
5440         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5441
5442 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5443
5444         * c-typeck.c (store_init_value): Split over two lines to follow
5445         the GNU coding style.
5446
5447 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5448
5449         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5450         __GXX_EXPERIMENTAL_CXX0X__.
5451         * doc/cpp.texi: Same.
5452
5453 2007-01-05  Richard Guenther  <rguenther@suse.de>
5454
5455         PR middle-end/27826
5456         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5457         with mismatched types.  Instead explicitly build a
5458         conversion NOP_EXPR.
5459
5460 2007-01-05  Ian Lance Taylor  <iant@google.com>
5461
5462         * c-common.c (decl_with_nonnull_addr_p): New function.
5463         (c_common_truthvalue_conversion): Call it.
5464         * c-typeck.c (build_binary_op): Likewise.
5465         * c-common.h (decl_with_nonnull_addr_p): Declare.
5466
5467 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5468
5469         PR c/30360
5470         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5471         denom against 0.0.
5472
5473 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5474
5475         * doc/install.texi (Final install): Document the fact that
5476         the GNAT runtime should not be stripped.
5477
5478 2007-01-04  Jan Hubicka  <jh@suse.cz>
5479
5480         * tree-inline.c (fold_marked_statements): Update operand caches
5481         and EH after folding
5482
5483 2007-01-04  Ian Lance Taylor  <iant@google.com>
5484
5485         * c-common.c (check_function_nonnull): Whitespace fix.
5486
5487 2007-01-04  Jan Hubicka  <jh@suse.cz>
5488
5489         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5490         comitted older version of patch.
5491         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5492         function, celanup cfg and collect garbage.
5493
5494 2007-01-04  Mike Stump  <mrs@apple.com>
5495
5496         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5497         (clean): Likewise.
5498
5499 2007-01-04  Eric Christopher  <echristo@apple.com>
5500
5501         * libgcc2.c (__bswapsi2): Use SItype.
5502         (__bswapdi2): Use DItype.
5503         * libgcc2.h: Update for above.
5504
5505 2007-01-04  Paul Brook  <paul@codesourcery.com>
5506
5507         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5508         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5509         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5510         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5511         umulsi3_highpart): Make conditional on !arm_arch6.
5512         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5513         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5514         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5515         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5516         umulsi3_highpart_v6): New insns.
5517
5518 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5519
5520         * fold-const.c (fold_convert): When casting an expression to void,
5521         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5522         have a type.  Instead of attempting to build a NOP_EXPR, return
5523         these "special" trees directly.
5524
5525 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5526
5527         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5528         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5529         rs6000_cost->fp not 0 as adjustment for outer NEG.
5530
5531 2007-01-04  Jan Hubicka  <jh@suse.cz>
5532
5533         * cgraph.c (cgraph_release_function_body): New function.
5534         (cgraph_remove_node): Use it.
5535         * cgraph.h (cgraph_release_function_body): Declare.
5536         * cgraphunit.c (cgraph_expand_function): Use it.
5537         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5538         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5539         is initialized and while compilation of other function is running.
5540         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5541         statement CFG annotations from here to ...
5542         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5543
5544 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5545
5546         * cfgloop.h (enum li_flags): Make the constants powers of two.
5547
5548 2007-01-04  Jan Hubicka  <jh@suse.cz>
5549
5550         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5551         set.
5552         (fold_marked_statements): New function.
5553         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5554         * tree-inline.h (copy_body_data): Add statements_to_fold.
5555
5556 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5557
5558         * config.gcc: Mention libgcc/config.host.
5559         * Makefile.in: Update comments mentioning libgcc.
5560         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5561         (all.cross, start.encap, rest.encap, rest.cross): Update
5562         dependencies for libgcc move.
5563         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5564         (clean-target, clean-target-libgcc): Delete.
5565         (srcdirify, GCC_EXTRA_PARTS): New macros.
5566         (libgcc-support, libgcc.mvars): New rules.
5567         (distclean): Remove mention of mklibgcc.
5568         (install): Don't reference INSTALL_LIBGCC.
5569         (install-common): Don't reference EXTRA_PARTS.
5570         (install-libgcc, install-multilib): Delete rules.
5571         * mklibgcc.in: Delete file.
5572         * doc/configfiles.texi: Don't mention mklibgcc.
5573
5574         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5575         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5576         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5577         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5578         (mklibgcc, ldblspecs): Likewise.
5579
5580         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5581         (posixpre.def): Use $(T).
5582         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5583         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5584         (SHLIB_LINK): Make dummy.
5585         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5586
5587         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5588
5589         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5590         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5591         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5592         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5593
5594         * configure.ac (all_outputs): Remove mklibgcc.
5595         * configure: Regenerated.
5596
5597 2007-01-03  Josh Conner  <jconner@apple.com>
5598
5599         PR middle-end/29683
5600         * calls.c (compute_argument_addresses): Set stack and stack_slot
5601         for partial args, too.
5602         (store_one_arg): Use locate.size.constant for the size when
5603         generating a save_area.
5604
5605 2007-01-03  Robert Kennedy <jimbob@google.com>
5606
5607         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5608         whose definitions are deleted due to basic block merging.
5609
5610 2007-01-03  Paul Brook  <paul@codesourcery.com>
5611
5612         PR target/16634
5613         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5614         functions.
5615         (use_return_insn): Return 0 for Thumb interrupt functions.
5616         (print_multi_reg): Add rfe argument for IRQ returns.
5617         (arm_output_epilogue): Pop interrupt return address directly into PC.
5618         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5619
5620 2007-01-03  Paul Brook  <paul@codesourcery.com>
5621
5622         Merge from sourcerygxx-4_1.
5623         * config/arm/thumb2.md: New file.
5624         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5625         Thumb-2.
5626         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5627         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5628         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5629         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5630         tables.
5631         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5632         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5633         comptibility.
5634         * config/arm/ieee754-sf.S: Ditto.
5635         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5636         (thumb1_base_register_rtx_p): ... to this.
5637         (thumb_index_register_rtx_p): Rename...
5638         (thumb1_index_register_rtx_p): ... to this.
5639         (thumb_output_function_prologue): Rename...
5640         (thumb1_output_function_prologue): ... to this.
5641         (thumb_legitimate_address_p): Rename...
5642         (thumb1_legitimate_address_p): ... to this.
5643         (thumb_rtx_costs): Rename...
5644         (thumb1_rtx_costs): ... to this.
5645         (thumb_compute_save_reg_mask): Rename...
5646         (thumb1_compute_save_reg_mask): ... to this.
5647         (thumb_final_prescan_insn): Rename...
5648         (thumb1_final_prescan_insn): ... to this.
5649         (thumb_expand_epilogue): Rename...
5650         (thumb1_expand_epilogue): ... to this.
5651         (arm_unwind_emit_stm): Rename...
5652         (arm_unwind_emit_sequence): ... to this.
5653         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5654         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5655         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5656         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5657         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5658         thumb2_output_casesi): New functions.
5659         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5660         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5661         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5662         THUMB2_WORK_REGS): Define.
5663         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5664         arm_condexec_mask, arm_condexec_masklen)): New variables.
5665         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5666         (arm_override_options): Check new CPU capabilities.
5667         Set new architecture flag variables.
5668         (arm_isr_value): Handle v7m interrupt functions.
5669         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5670         Thumb-2.
5671         (const_ok_for_arm): Handle Thumb-2 constants.
5672         (arm_gen_constant): Ditto.  Use movw when available.
5673         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5674         functions.
5675         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5676         (thumb_find_work_register, arm_load_pic_register,
5677         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5678         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5679         print_multi_reg, output_mov_long_double_fpa_from_arm,
5680         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5681         output_mov_double_fpa_from_arm, output_move_double,
5682         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5683         output_return_instruction, arm_output_function_prologue,
5684         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5685         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5686         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5687         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5688         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5689         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5690         '!' and 'L'.
5691         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5692         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5693         (arm_file_start): Output directive for unified syntax.
5694         (arm_unwind_emit_set): Handle stack alignment instruction.
5695         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5696         Add v6t2, v7, v7a, v7r and v7m.
5697         (RETLDM): Add Thumb-2 code.
5698         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5699         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5700         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5701         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5702         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5703         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5704         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5705         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5706         ADJUST_INSN_LENGTH): Define.
5707         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5708         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5709         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5710         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5711         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5712         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5713         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5714         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5715         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5716         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5717         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5718         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5719         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5720         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5721         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5722         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5723         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5724         cortex-m3.
5725         * config/arm/arm-tune.md: Regenerate.
5726         * config/arm/arm-protos.h: Update prototypes.
5727         * config/arm/vfp.md: Enable patterns for Thumb-2.
5728         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5729         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5730         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5731         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5732         * config/arm/libunwind.S: Add Thumb-2 code.
5733         * config/arm/constraints.md: Update include Thumb-2.
5734         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5735         * config/arm/ieee754-df.S: Ditto.
5736         * config/arm/bpabi.S: Ditto.
5737         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5738         * config/arm/predicates.md (low_register_operand,
5739         low_reg_or_int_operand, thumb_16bit_operator): New.
5740         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5741         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5742         * config/arm/t-arm-elf: Add armv7 multilib.
5743         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5744         Include thumb2.md.
5745         (UNSPEC_STACK_ALIGN, ce_count): New.
5746         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5747         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5748         insns/expanders.
5749         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5750         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5751         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5752         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5753         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5754         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5755         insns.
5756         * doc/extend.texi: Document ARMv7-M interrupt functions.
5757         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5758
5759 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5760
5761         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5762         (struct _Unwind_Context): Rename args_size to flags, remove
5763         signal_frame field, add a new args_size field and version field.
5764         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5765         _Unwind_IsExtendedContext): New inline functions.
5766         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5767         Assume by_value array is only present if _Unwind_IsExtendedContext.
5768         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5769         _Unwind_IsSignalFrame.
5770         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5771         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5772         (uw_init_context_1): Initialize context->flags to
5773         EXTENDED_CONTEXT_BIT.
5774         * config/rs6000/linux-unwind.h (frob_update_context): Use
5775         _Unwind_SetSignalFrame.
5776
5777 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5778
5779         PR middle-end/30353
5780         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5781         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5782         the value.
5783
5784 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5785
5786         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5787         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5788         RET, AT_SP): Remove.
5789         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5790         instead of RET.
5791
5792         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5793         * cfgbuild.c (find_basic_blocks): Likewise.
5794         * cfgrtl.c (rtl_create_basic_block): Likewise.
5795         * function.c (temp_slots_at_level): Likewise.
5796         * reg-stack.c (stack_regs_mentioned): Likewise.
5797         * regclass.c (allocate_reg_info): Likewise.
5798         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5799         set_bb_for_stmt, move_block_to_fn): Likewise.
5800         * tree-complex.c (tree_lower_complex): Likewise.
5801         * vec.h (VEC_safe_grow_cleared): New.
5802
5803         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5804
5805 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5806
5807         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5808         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5809         to loop_version.
5810         * cfgloopmanip.c (scale_loop_frequencies): Export.
5811         (loopify): Scale the frequencies by prescribed coefficients.
5812         (set_zero_probability): New function.
5813         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5814         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5815         and frequencies according to arguments.
5816         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5817         correctly.
5818         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5819         * modulo-sched.c (sms_schedule): Set probabilities for entering
5820         versioned loop correctly.
5821         * tree-vect-transform.c (vect_transform_loop): Ditto.
5822         * cfgloop.h (loopify, loop_version): Declaration changed.
5823         (scale_loop_frequencies): Declared.
5824
5825 2007-01-02  Jan Hubicka  <jh@suse.cz>
5826
5827         * cgraph.c: Include tree-flow.h
5828         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5829         early_local_passes.
5830         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5831         * tree-pass.h (pass_all_early_optimizations): Declare.
5832         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5833         early_local_passes.
5834         (cgraph_analyze_function): Do early_local_passes.
5835         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5836         Do not add referenced vars.
5837         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5838         SSA form.
5839         (gate_all_early_local_passes): New gate.
5840         (pass_early_local_passes): Use new gate.
5841         (execute_early_local_optimizations): New functions.
5842         (gate_all_early_optimizations): New gate.
5843         (pass_all_early_optimizations): New pass.
5844         (execute_free_datastructures): Free SSA only when initialized.
5845         (gate_init_datastructures): Init only when optimizing.
5846         (tree_lowering_passes): Do early local passes when called late.
5847         * tree-profile.c (do_tree_profiling): Don't profile functions added
5848         late.
5849         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5850         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5851         not active.
5852         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5853         during early_local_passes.
5854         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5855
5856
5857 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5858
5859         * Makefile.in: Update copyright year.
5860
5861 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5862
5863         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5864         in $(lang_checks) and check-consistency targets.
5865
5866 2007-01-02  Jan Hubicka  <jh@suse.cz>
5867
5868         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5869         Do not add referenced vars.
5870         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5871         are not active.
5872         * passes.c (init_optimization_passes): Put mudflap_2 after
5873         free_datastructures.
5874
5875 2007-01-02  Jan Hubicka  <jh@suse.cz>
5876
5877         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5878         Set NOTHROW flag on call statements proved to be nothrow.
5879         Update statement of local calls so new pure/const functions are
5880         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5881         goto receivers.
5882         (tree_rest_of_compilation): Register hooks and initialize bitmap
5883         early. Do not set after_inlining flag.
5884
5885 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
5886
5887         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
5888         HOST_BITS_PER_LONGLONG
5889
5890 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5891
5892         PR c/19977
5893         * c-typeck.c (store_init_value): Don't emit pedantic overflow
5894         warning for non-static initializers.
5895
5896 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
5897
5898         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5899         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5900         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5901         Always use set_unique_reg_note to add REG_EQUAL notes.
5902
5903 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5904
5905         Revert:
5906         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5907
5908         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5909         * cfgbuild.c (find_basic_blocks): Likewise.
5910         * cfgrtl.c (rtl_create_basic_block): Likewise.
5911         * function.c (temp_slots_at_level): Likewise.
5912         * reg-stack.c (stack_regs_mentioned): Likewise.
5913         * regclass.c (allocate_reg_info): Likewise.
5914         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5915         set_bb_for_stmt, move_block_to_fn): Likewise.
5916         * tree-complex.c (tree_lower_complex): Likewise.
5917         * vec.h (VEC_safe_grow_cleared): New.
5918
5919 2007-01-02  Ian Lance Taylor  <iant@google.com>
5920
5921         * c-common.c (c_common_truthvalue_conversion): When warning about
5922         using an assignment as a truth value, set TREE_NO_WARNING.
5923
5924 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5925
5926         PR middle-end/7651
5927         * c.opt (Wold-style-declaration): New.
5928         * doc/invoke.texi (C-only Warning Options): New.
5929         (Wold-style-declaration): Document it.
5930         (Wextra): Enabled by -Wextra.
5931         * c-opts.c (c_common_post_options): Enabled by -Wextra.
5932         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
5933         -Wold-style-declaration.
5934
5935 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5936
5937         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5938         * cfgbuild.c (find_basic_blocks): Likewise.
5939         * cfgrtl.c (rtl_create_basic_block): Likewise.
5940         * function.c (temp_slots_at_level): Likewise.
5941         * reg-stack.c (stack_regs_mentioned): Likewise.
5942         * regclass.c (allocate_reg_info): Likewise.
5943         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5944         set_bb_for_stmt, move_block_to_fn): Likewise.
5945         * tree-complex.c (tree_lower_complex): Likewise.
5946         * vec.h (VEC_safe_grow_cleared): New.
5947
5948 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
5949
5950         * c-common.c (c_common_nodes_and_builtins): Since variants of
5951         void_type_node get built before it is given a name, we need to
5952         give those variants the name, too.
5953         (complete_array_type): We need to work with the canonical main
5954         type of the array, from which we will build the qualified version.
5955         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
5956         * print-tree.c (print_node): Display canonical type information
5957         for each type.
5958         * stor-layout.c (layout_type): When we don't know the
5959         alignment of a type for which we're building an array, we end up
5960         guessing wrong, so make the type require structural equality.
5961         * tree.c (make_node_stat): When we build a new type, it is its
5962         own canonical type.
5963         (build_type_attribute_qual_variant): When building an attribute
5964         variant, its canonical type is the non-attribute variant. However,
5965         if the attributes are target-dependent and they differ, we need to
5966         use structural equality checks for this type.
5967         (build_qualified_type): A qualified type is not equivalent to its
5968         unqualified variant; set the canonical type appropriately.
5969         (build_distinct_type_copy): When building a distinct type from
5970         another type, the new type is its own canonical type.
5971         (build_variant_type_copy): When building a new type variant, we
5972         assume that it is equivalent to the original type.
5973         (build_pointer_type_for_mode): When building a pointer type, also
5974         build a canonical type pointer.
5975         (build_reference_type_for_mode): When building a reference type,
5976         also build a canonical type reference.
5977         (build_index_type): When we can't hash an index type (e.g.,
5978         because its maximum value is negative), the index type requires
5979         structural equality tests.
5980         (build_array_type): Build the canonical form of an array type.
5981         (build_function_type): Function types require structural equality,
5982         because they contain default arguments, attributes, etc.
5983         (build_method_type_directly): Ditto for method types.
5984         (build_offset_type): Build the canonical offset type.
5985         (build_complex_type): Build the canonical vector type.
5986         (make_vector_type): Build the canonical vector type.
5987         * tree.h (TYPE_CANONICAL): New.
5988         (TYPE_STRUCTURAL_EQUALITY_P): New.
5989         (SET_TYPE_STRUCTURAL_EQUALITY): New.
5990         (struct tree_type): Added "canonical" field.
5991         * params.h (VERIFY_CANONICAL_TYPES): New.
5992         * doc/c-tree.texi (TYPE_CANONICAL): Document.
5993         (TYPE_STRUCTURAL_EQUALITY_P): Document.
5994         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
5995         * doc/invoke.texi (verify-canonical-types): Document --param
5996         parameter for verifying canonical types.
5997
5998 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
5999
6000         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6001         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6002         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6003         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6004         tm_file.
6005         * config/rs6000/e500.h: New.
6006         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6007         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6008         Remove.
6009         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6010         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6011         TARGET_E500_DOUBLE): Remove.
6012         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6013         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6014         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6015         * config/rs6000/rs6000.c (rs6000_override_options): Use
6016         CHECK_E500_OPTIONS.
6017
6018 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6019
6020         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6021         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6022         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6023         rs6000_emit_cmove): Don't check TARGET_E500.
6024         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6025         sordered): Don't check TARGET_E500.
6026
6027 2007-01-01  Eric Christopher  <echristo@apple.com>
6028
6029         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6030         HARD_REGISTER_NUM_P.
6031
6032 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6033
6034         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6035         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6036         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6037         eq/ne Y".
6038
6039 2007-01-01  Mike Stump  <mrs@apple.com>
6040
6041         * configure.ac: Remove support for building with Apple's gcc-3.1.
6042
6043 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6044
6045         PR middle-end/30311
6046         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6047         REG is a hard register.  Do not modify REG before calling
6048         subreg_nregs.
6049         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6050         multiple of the size of YMODE for certain lowpart cases.
6051
6052 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6053
6054         PR middle-end/30253
6055         * gimplify (voidify_wrapper_expr): Update for
6056         GIMPLE_MODIFY_STMT.
6057
6058 2007-01-01  Andreas Schwab  <schwab@suse.de>
6059
6060         PR target/29166
6061         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6062         save of BR0 in extra_spill_size instead of spill_size.
6063         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6064         area.
6065         (ia64_expand_epilogue): Restore BR0 from its new location.
6066
6067 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6068
6069         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6070         Use a temporary variable if the left hand side is not a gimple
6071         register.
6072
6073 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6074
6075         * gimplify.c (gimplify_return_expr): Make the temporary variable
6076         for the return expression, a gimple register variable.
6077
6078 2007-01-01  Jan Hubicka  <jh@suse.cz>
6079
6080         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6081         INSN_LIST.
6082
6083 2007-01-01  Mike Stump  <mrs@apple.com>
6084
6085         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6086         .literal16.
6087         * config/darwin.c (machopic_select_rtx_section): Use
6088         HAVE_GAS_LITERAL16.
6089         (darwin_mergeable_constant_section): Likewise.
6090         * configure: Regenerate.
6091         * config.in: Regenerate.
6092
6093 2007-01-01  Jan Hubicka  <jh@suse.cz>
6094             Andrew Pinski  <pinskia@gmail.com>
6095
6096         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6097         before starting IPA passes.