OSDN Git Service

* tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2
3         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4         NULL.
5
6 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
7
8         * config/ia64/ia64.c (ia64_expand_builtin): Use the
9         new CALL_EXPR_FN macro for retrieving the function 
10         declaration of the input expression.
11         
12 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13
14         * c.opt (Waddress): New.
15         * common.opt (Walways-true): Delete.
16         (Wstring-literal-comparison): Delete.
17         * doc/invoke.texi (Warning Options): Delete -Walways-true and
18         -Wstring-literal-comparison. Add -Waddress.
19         (Waddress): New.
20         (Walways-true): Delete.
21         (Wstring-literal-comparison): Delete.
22         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
23         consistently instead of -Walways-true in example.
24         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
25         * c-typeck.c (parser_build_binary_op): Replace
26         -Wstring-literal-comparison and -Walways-true with -Waddress.
27         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
28         with -Waddress.
29         
30 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
31
32         * tree-cfg.c (dump_function_to_file): Be prepared for functions
33         without DECL_STRUCT_FUNCTION initialized.
34
35 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
36
37         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
38         due to calls to functions taking pointers as parameters.
39
40 2007-02-19  Richard Henderson  <rth@redhat.com>
41
42         PR debug/29558
43         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
44         in memory.
45
46 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
47
48         * config/s390/s390.c (s390_call_saved_register_used,
49         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
50         accessed to the new scheme.
51
52 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
53
54         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
55         (cris_print_index, cris_print_operand, cris_print_operand_address)
56         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
57         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
58         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
59         GET_CODE () == xxx.
60         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
61         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
62         GO_IF_LEGITIMATE_ADDRESS): Ditto.
63         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
64         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
65         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
66         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
67         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
68         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
69         (uminsi3, call, call_value): Ditto.
70         (define_split: indir_to_reg_split, unnamed): Ditto.
71
72 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
73
74         PR tree-optimization/30975
75         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
76         wrong assert.
77
78 2007-02-18  Eric Christopher  <echristo@gmail.com>
79
80         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
81         Remove use of arglist.
82         (mips_expand_builtin): Remove use of arglist, pass in expr.
83         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
84         (mips_expand_builtin_movtf): Ditto.
85         (mips_expand_builtin_compare): Ditto.
86
87 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
88
89         * tree-sra.c (sra_build_assignment): Replace assertion
90         checking with a comment explaining why it can't be done.
91
92 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
93
94         PR middle-end/30833
95         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
96         during CALL_EXPR representation conversion.
97         * tree-ssa-propagate.c (set_rhs): Likewise.
98
99 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
100
101         * tree-sra.c (sra_build_assignment): Disable assertion checking
102         for now.
103
104 2007-02-18  Roger Sayle  <roger@eyesopen.com>
105
106         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
107         instead of calling build2 with a GIMPLE_MODIFY_STMT.
108         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
109         Likewise.
110         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
111         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
112         gimplify_init_ctor_eval_range, gimple_push_cleanup,
113         gimplify_omp_for, gimplify_omp_atomic_pipeline,
114         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
115         force_gimple_operand): Likewise.
116         * ipa-cp.c (constant_val_insert): Likewise.
117         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
118         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
119         perfect_nestify): Likewise.
120         * langhooks.c (lhd_omp_assignment): Likewise.
121         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
122         lower_copyprivate_clauses, lower_send_clauses,
123         lower_send_shared_vars, expand_parallel_call,
124         expand_omp_for_generic, expand_omp_for_static_nochunk,
125         expand_omp_for_static_chunk, expand_omp_sections,
126         lower_omp_single_copy, lower_omp_for_lastprivate,
127         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
128         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
129         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
130         Likewise.
131
132 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
133
134         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
135         config/sh/sh.md: Follow spelling conventions.
136
137         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
138         config/frv/predicates.md: Follow spelling conventions.
139
140         * config/m68k/linux-unwind.h: Fix a comment typo.
141         * target.h: Follow spelling conventions.
142
143 2007-02-18  Roger Sayle  <roger@eyesopen.com>
144
145         PR rtl-optimization/28173
146         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
147         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
148         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
149         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
150         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
151
152 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
153
154         * builtins.c (fold_builtin_load_exponent): New.
155         (fold_builtin_2): Use it.
156
157 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
158
159         PR rtl-optimization/30773
160         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
161         if we fail to attach a REG_EQUIV note.
162
163 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
164             Roger Sayle  <roger@eyesopen.com>
165
166         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
167
168 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
169
170         * calls.c (initialize_argument_information): Pass original EXP
171         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
172         code to split complex arguments here, as part of initializing the
173         ARGS array.
174         (expand_call): Remove code that builds a list of arguments and
175         inserts implicit arguments into it.  Instead, just count how many
176         implicit arguments there will be so we can determine the size of
177         the ARGS array, and let initialize_argument_information do the work.
178         (split_complex_values): Delete unused function.
179
180 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
181
182         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
183
184 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
185
186         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
187         for arg pointer based indexed addressing.
188
189 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
190
191         * config/ia64/ia64.h, config/ia64/ia64.md,
192         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
193         spelling conventions.
194
195 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
196
197         * config/m68k/m68k.c (split_di): New.
198         * config/m68k/m68k-protos.h: Declare split_di.
199         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
200           Improve predicate handling and split constant shifts.
201
202 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
203
204         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
205         parameter for register bitfield operations, general predicates
206         cleanup
207
208 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
209
210         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
211         * config/m68k/linux-unwind.h: New file.
212
213 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
214
215         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
216         config/i386/athlon.md, config/ia64/ia64.md,
217         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
218         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
219         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
220         tree-ssa-loop-niter.c, tree-vect-analyze.c,
221         tree-vect-transform.c: Fix comment typos.
222
223 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
224
225         * sched-deps.c (find_insn_list): Remove.
226         * sched-int.h: Remove the prototype for find_insn_list.
227
228 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
229
230         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
231         to linker.
232         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
233         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
234         darwin_rs6000_override_options.
235         (C_COMMON_OVERRIDE_OPTIONS): Expect
236         darwin_macosx_version_min to be non-NULL always.
237         (TARGET_C99_FUNCTIONS): Likewise.
238         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
239         (DARWIN_MINVERSION_SPEC): New.
240         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
241         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
242         to cc1*.
243         (DARWIN_MINVERSION_SPEC): New.
244         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
245         value.
246         * config/darwin-c.c (darwin_cpp_builtins): Expect
247         darwin_macosx_version_min to be non-NULL always.
248
249         * config/rs6000/rs6000.c: Clean up trailing whitespace.
250
251 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
252
253         * config/i386/i386.h (x86_use_xchgb): New.
254         (TARGET_USE_XCHGB): New macro.
255         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
256         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
257         Split after reload into bswaphi for shifts of 8.
258         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
259         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
260         or when optimizing for size.
261
262 2007-02-16  Richard Guenther  <rguenther@suse.de>
263             Christian Bruel  <christian.bruel@st.com>
264
265         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
266         DECLs but prefer SSA_NAMEs over DECLs.
267
268 2007-02-16  Richard Guenther  <rguenther@suse.de>
269
270         * tree-flow-inline.h (single_imm_use_p): Remove.
271         (zero_imm_uses_p): Likewise.
272         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
273         instead of single_imm_use_p.
274         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
275         zero_imm_uses_p.
276
277 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
278
279         PR other/27843
280         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
281         nested double- and backquotes.
282
283 2007-02-15  Roger Sayle  <roger@eyesopen.com>
284
285         PR middle-end/30391
286         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
287         should be unreachable.
288         (build2_stat): Allow construction of MODIFY_EXPR at any time.
289         For the time being redirect GIMPLE_MODIFY_STMT to the new
290         (renamed) build_gimple_modify_stmt_stat.
291         (build2_gimple_stat): Rename to...
292         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
293         Always build a GIMPLE_MODIFY_STMT node.
294         * tree.h (build2_gimple, build2_gimple_stat): Delete.
295         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
296         declarations.
297
298         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
299         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
300         * tree-complex.c (set_component_ssa_name, expand_complex_move,
301         expand_complex_div_wide): Likewise.
302         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
303         * tree-ssa-loop-im.c (schedule_sm): Likewise.
304         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
305         * tree-ssa-loop-manip.c (create_iv): Likewise.
306         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
307         abs_replacement): Likewise.
308         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
309         realify_fake_stores): Likewise.
310
311         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
312         node rather than a GIMPLE_MODIFY_STMT node.
313         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
314         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
315         Likewise.
316         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
317         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
318         GIMPLE_MODIFY_STMT.
319
320 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
321
322         PR middle-end/30433
323         * fold-const.c (fold_comparison): Add back the
324         folding of constant complex comparisions.
325
326 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
327
328         PR middle-end/30729
329         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
330         effects unknown to this function, return early.
331
332 2007-02-15  Ian Lance Taylor  <iant@google.com>
333
334         * lower-subreg.c (move_eh_region_note): New static function.
335         (resolve_simple_move): Call it.
336         (decompose_multiword_subregs): Track blocks for which we resolve a
337         simple move which is also a control flow insn.  Pass them to
338         find_many_sub_basic_blocks.
339         (pass_lower_subreg): Add TODO_verify_flow.
340         (pass_lower_subreg2): Likewise.
341
342 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
343             Brooks Moses  <brooks.moses@codesourcery.com>
344             Lee Millward  <lee.millward@codesourcery.com>
345
346         * tree.h (enum tree_code_class): Add tcc_vl_exp.
347         (VL_EXP_CLASS_P): New.
348         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
349         TREE_CODE_LENGTH.
350         (TREE_OPERAND_CHECK_CODE): Likewise.
351         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
352         (TREE_RTL_OPERAND_CHECK): Likewise.
353         (tree_operand_check_failed): Make second parameter the whole tree
354         instead of its code.  Fixed callers.
355         (VL_EXP_CHECK): New.
356         (TREE_OPERAND_LENGTH): New.
357         (VL_EXP_OPERAND_LENGTH): New.
358         (CALL_EXPR_FN): New.
359         (CALL_EXPR_STATIC_CHAIN): New.
360         (CALL_EXPR_ARGS): New.
361         (CALL_EXPR_ARG): New.
362         (call_expr_nargs): New.
363         (CALL_EXPR_ARGP): New.
364         (build_nt_call_list): Declare.
365         (build_vl_exp_stat): Declare.
366         (build_vl_exp): New.
367         (build_call_list): Declare.
368         (build_call_nary): Declare.
369         (build_call_valist): Declare.
370         (build_call_array): Declare.
371         (call_expr_arg): Declare.
372         (call_expr_argp): Declare.
373         (call_expr_arglist): Declare.
374         (fold_build_call_list): Declare.
375         (fold_build_call_list_initializer): Declare.
376         (fold_call_expr): Declare to replace fold_builtin.
377         (fold_builtin_fputs): Update to agree with modified definition.
378         (fold_builtin_strcpy): Likewise.
379         (fold_builtin_strncpy): Likewise.
380         (fold_builtin_memory_chk): Likewise.
381         (fold_builtin_stxcpy_chk): Likewise.
382         (fold_builtin_strncpy_chk): Likewise.
383         (fold_builtin_next_arg): Likewise.
384         (fold_build_call_expr): Declare.
385         (fold_builtin_call_list): Declare.
386         (fold_builtin_call_valist): Declare.
387         (build_call_expr): Declare.
388         (validate_arglist): Update to agree with modified definition.
389         (tree_operand_length): New.
390         (call_expr_arg_iterator): New.
391         (init_call_expr_arg_iterator): New.
392         (next_call_expr_arg): New.
393         (first_call_expr_arg): New.
394         (more_call_expr_args_p): New.
395         (FOR_EACH_CALL_EXPR_ARG): New.
396
397         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
398         and tcc_gimple_stmt.
399         (tree_code_size): Update documentation.  Use sizeof (tree) rather
400         than sizeof (char *).
401         (tree_size): Likewise.  Add case for tcc_vl_exp.
402         (tree_node_structure): Add case for tcc_vl_exp.
403         (contains_placeholder_p): Likewise.
404         (substitute_in_expr): Likewise.
405         (substitute_placeholder_in_expr): Likewise.
406         (stabilize_reference_1): Likewise.
407         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
408         to diagnose breakage of this interface for constructing CALL_EXPRs.
409         (build_nt): Add similar assertion here.
410         (build_nt_call_list): New.
411         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
412         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
413         TREE_CODE_LENGTH.
414         (get_callee_fndecl): Use new CALL_EXPR accessors.
415         (tree_operand_check_failed): Change parameters to pass entire node
416         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
417         (process_call_operands): New.
418         (build_vl_exp_stat): New.
419         (build_call_list): New.
420         (build_call_nary): New.
421         (build_call_valist): New.
422         (build_call_array): New.
423         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
424         (call_expr_arglist): New.
425
426         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
427         tcc_vl_exp instead of a fixed-size tcc_expression.
428
429         * doc/c-tree.texi (CALL_EXPR): Document new representation and
430         accessors for CALL_EXPRs.
431         (AGGR_INIT_EXPR): Likewise.
432
433 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
434             Brooks Moses  <brooks.moses@codesourcery.com>
435             Lee Millward  <lee.millward@codesourcery.com>
436
437         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
438         (expand_builtin_nonlocal_goto): Change parameter to be entire
439         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
440         (expand_builtin_prefetch): Likewise.
441         (expand_builtin_classify_type): Likewise.
442         (mathfn_built_in): Return NULL_TREE instead of 0.
443         (expand_errno_check): Use new CALL_EXPR accessors.
444         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
445         Return NULL_RTX instead of 0.
446         (expand_builtin_mathfn_2): Likewise.
447         (expand_builtin_mathfn_3): Likewise.
448         (expand_builtin_interclass_mathfn): Likewise.
449         (expand_builtin_sincos): Likewise.
450         (expand_builtin_cexpi): Likewise.
451         (expand_builtin_int_roundingfn): Likewise.
452         (expand_builtin_int_roundingfn_2): Likewise.
453         (expand_builtin_pow): Likewise.
454         (expand_builtin_powi): Likewise.
455         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
456         of arglist, fixing callers appropriately.  Use new CALL_EXPR
457         accessors and constructors.  Return NULL_RTX instead of 0.
458         (expand_builtin_strstr): Likewise.
459         (expand_builtin_strchr): Likewise.
460         (expand_builtin_strrchr): Likewise.
461         (expand_builtin_strpbrk): Likewise.
462         (expand_builtin_memcpy): Likewise.
463         (expand_builtin_mempcpy): Likewise.
464         (expand_builtin_mempcpy_args): New.
465         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
466         (expand_builtin_memmove_args): New.
467         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
468         (expand_movstr): Likewise.
469         (expand_builtin_strcpy): Likewise.
470         (expand_builtin_strcpy_args): New.
471         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
472         (expand_builtin_strncpy): Likewise.
473         (expand_builtin_memset): Likewise.
474         (expand_builtin_memset_args): New.
475         (expand_builtin_bzero): Similarly to expand_builtin_memset.
476         (expand_builtin_memcmp): Likewise.
477         (expand_builtin_strcmp): Likewise.
478         (expand_builtin_strncmp): Likewise.
479         (expand_builtin_strcat): Likewise.
480         (expand_builtin_strncat): Likewise.
481         (expand_builtin_strspn): Likewise.
482         (expand_builtin_strcspn): Likewise.
483         (expand_builtin_args_info): Likewise.
484         (expand_builtin_va_start): Likewise.
485         (gimplify_va_arg_expr): Likewise.
486         (expand_builtin_va_end): Likewise.
487         (expand_builtin_va_copy): Likewise.
488         (expand_builtin_frame_address): Likewise.
489         (expand_builtin_alloca): Likewise.
490         (expand_builtin_bswap): Likewise.
491         (expand_builtin_unop): Likewise.
492         (expand_builtin_fputs): Likewise.
493         (expand_builtin_expect): Likewise.
494         (expand_builtin_fabs): Likewise.
495         (expand_builtin_copysign): Likewise.
496         (expand_builtin_printf): Likewise.
497         (expand_builtin_fprintf): Likewise.
498         (expand_builtin_sprintf): Likewise.
499         (expand_builtin_init_trampoline): Likewise.
500         (expand_builtin_signbit): Likewise.
501         (expand_builtin_fork_or_exec): Likewise.
502         (expand_builtin_sync_operation): Likewise.
503         (expand_builtin_compare_and_swap): Likewise.
504         (expand_builtin_lock_test_and_set): Likewise.
505         (expand_builtin_lock_release): Likewise.
506         (expand_builtin): Likewise.
507         (builtin_mathfn_code): Likewise.
508
509         (fold_builtin_constant_p): Pass call arguments individually instead
510         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
511         accessors and constructors.  Return NULL_TREE instead of 0.
512         (fold_builtin_expect): Likewise.
513         (fold_builtin_classify_type): Likewise.
514         (fold_builtin_strlen): Likewise.
515         (fold_builtin_nan): Likewise.
516         (integer_valued_real_p): Likewise.
517         (fold_trunc_transparent_mathfn): Likewise.
518         (fold_fixed_mathfn): Likewise.
519         (fold_builtin_cabs): Likewise.
520         (fold_builtin_sqrt): Likewise.
521         (fold_builtin_cbrt): Likewise.
522         (fold_builtin_cos): Likewise.
523         (fold_builtin_cosh): Likewise.
524         (fold_builtin_tan): Likewise.
525         (fold_builtin_sincos): Likewise.
526         (fold_builtin_cexp): Likewise.
527         (fold_builtin_trunc): Likewise.
528         (fold_builtin_floor): Likewise.
529         (fold_builtin_ceil): Likewise.
530         (fold_builtin_round): Likewise.
531         (fold_builtin_int_roundingfn): Likewise.
532         (fold_builtin_bitop): Likewise.
533         (fold_builtin_bswap): Likewise.
534         (fold_builtin_logarithm): Likewise.
535         (fold_builtin_hypot): Likewise.
536         (fold_builtin_pow): Likewise.
537         (fold_builtin_powi): Likewise.
538         (fold_builtin_exponent): Likewise.
539         (fold_builtin_memset): Likewise.
540         (fold_builtin_bzero): Likewise.
541         (fold_builtin_memory_op): Likewise.
542         (fold_builtin_bcopy): Deleted; call site changed to invoke
543         fold_builtin_memory_op directly.
544         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
545         (fold_builtin_strncpy): Likewise.
546         (fold_builtin_memcmp): Likewise.
547         (fold_builtin_strcmp): Likewise.
548         (fold_builtin_strncmp): Likewise.
549         (fold_builtin_signbit): Likewise.
550         (fold_builtin_copysign): Likewise.
551         (fold_builtin_isascii): Likewise.
552         (fold_builtin_toascii): Likewise.
553         (fold_builtin_isdigit): Likewise.
554         (fold_builtin_fabs): Likewise.
555         (fold_builtin_abs): Likewise.
556         (fold_builtin_fmin_fmax): Likewise.
557         (fold_builtin_carg): Likewise.
558         (fold_builtin_classify): Likewise.
559         (fold_builtin_unordered_cmp): Likewise.
560
561         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
562         New functions split out from fold_builtin_1.
563         (fold_builtin_n): New.
564         (fold_builtin_varargs): New.
565         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
566         instead.
567         (fold_call_expr): New.
568         (build_function_call_expr): Rewrite to use new helper function.
569         (fold_builtin_call_list): New.
570         (build_call_expr): New.
571         (fold_builtin_call_valist): New.
572         (rewrite_call_expr): New.
573         (validate_arg): New.
574         (validate_arglist): Change parameter to be entire CALL_EXPR instead
575         of an arglist.  Change return type to bool.  Use new CALL_EXPR
576         accessors.
577
578         (fold_builtin_strstr):  Pass call arguments individually instead
579         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
580         accessors and constructors.  Return NULL_TREE instead of 0.
581         (fold_builtin_strchr): Likewise.
582         (fold_builtin_strrchr): Likewise.
583         (fold_builtin_strpbrk): Likewise.
584         (fold_builtin_strcat): Likewise.
585         (fold_builtin_strncat): Likewise.
586         (fold_builtin_strspn): Likewise.
587         (fold_builtin_strcspn): Likewise.
588         (fold_builtin_fputs): Likewise.
589         (fold_builtin_next_arg): Likewise.
590         (fold_builtin_sprintf): Likewise.
591
592         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
593         NULL_RTX instead of 0.
594         (expand_builtin_memory_chk): Likewise.
595         (maybe_emit_chk_warning): Likewise.
596         (maybe_emit_sprintf_chk_warning): Likewise.
597
598         (fold_builtin_object_size): Pass call arguments individually instead
599         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
600         accessors and constructors.  Return NULL_TREE instead of 0.
601         (fold_builtin_memory_chk): Likewise.
602         (fold_builtin_stxcpy_chk): Likewise.
603         (fold_builtin_strncpy_chk): Likewise.
604         (fold_builtin_strcat_chk): Likewise.
605         (fold_builtin_strcat_chk): Likewise.
606         (fold_builtin_strncat_chk): Likewise.
607         (fold_builtin_sprintf_chk): Likewise.
608         (fold_builtin_snprintf_chk): Likewise.
609         (fold_builtin_printf): Likewise.
610         (fold_builtin_vprintf): Likewise.
611
612         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
613         constructors.
614         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
615         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
616         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
617         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
618         (fold_unary): Likewise.
619         (fold_binary): Likewise.
620         (fold_ternary): Remove CALL_EXPR case, since they are no longer
621         ternary expressions.
622         (fold): Add logic for tcc_vl_exp.
623         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
624         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
625         (fold_build3_stat): Add assertion to flag broken interface for
626         constructing CALL_EXPRs.
627         (fold_build_call_list): New.
628         (fold_build_call_list_initializer): New.
629         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
630         constructors.
631         (fold_strip_sign_ops): Likewise.
632
633 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
634             Brooks Moses  <brooks.moses@codesourcery.com>
635             Lee Millward  <lee.millward@codesourcery.com>
636
637         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
638         accessors and dump arguments explicitly.
639
640         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
641         TREE_CODE_LENGTH.
642         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
643         explicitly.
644         (print_call_name): Use new CALL_EXPR accessors.
645
646         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
647         CALL_EXPR arguments explicitly instead of as a list.  Use
648         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
649
650         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
651         (vrp_visit_stmt): Likewise.
652
653         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
654         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
655         TREE_CODE_LENGTH.
656         (force_move_till_expr): Likewise.
657
658         * targhooks.c (default_external_stack_protect_fail): Use
659         build_call_expr instead of build_function_call_expr.
660         (default_hidden_stack_protect_fail): Likewise.
661
662         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
663         build the call.
664
665         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
666         and walk arguments explicitly.
667
668         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
669         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
670         (expand_simple_operations): Likewise.
671         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
672
673         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
674         of TREE_CODE_LENGTH.
675         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
676
677         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
678         instead of TREE_CODE_LENGTH.
679
680         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
681         (tree_ic_transform): Likewise.
682         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
683         parameter instead of arglist.  Fix callers.
684         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
685         (tree_stringops_transform): Likewise.
686         (tree_indirect_call_to_profile): Likewise.
687         (tree_stringops_values_to_profile): Likewise.
688
689         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
690         (eliminate_tail_call): Likewise.
691
692         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
693
694         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
695         Use TREE_OPERAND_LENGTH and generalize to handle any number of
696         operands.
697         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
698
699         * omp-low.c (build_omp_barrier): Use build_call_expr.
700         (lower_rec_input_clauses): Likewise.
701         (lower_reduction_clauses): Likewise.
702         (expand_parallel_call): Likewise.
703         (maybe_catch_exception): Likewise.
704         (expand_omp_for_generic): Likewise.
705         (expand_omp_for_static_nochunk): Likewise.
706         (expand_omp_sections): Likewise.
707         (lower_omp_single_simple): Likewise.
708         (lower_omp_single_copy): Likewise.
709         (lower_omp_master): Likewise.
710         (lower_omp_ordered): Likewise.
711         (lower_omp_critical): Likewise.
712
713         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
714         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
715
716         * tree-gimple.c (is_gimple_call_addr): Fix doc.
717         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
718         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
719
720         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
721         and generalize to handle any number of operands.
722         (chrec_contains_undetermined): Likewise.
723         (tree_contains_chrecs): Likewise.
724         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
725
726         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
727
728         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
729         fold_call_expr instead of fold_builtin.
730         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
731         match declarations there.
732         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
733         updates.
734
735         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
736         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
737
738         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
739         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
740
741         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
742         accessors.
743
744         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
745         (execute_cse_sincos): Use new CALL_EXPR accessors.
746
747         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
748
749         * gimple-low.c (lower_function_body): Use build_call_expr.
750         (lower_builtin_setjmp): Likewise.
751
752         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
753         (set_storage_via_libcall): Likewise.
754         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
755         instead of TREE_CODE_LENGTH.
756         (expand_expr_real_1): Use new CALL_EXPR accessors.
757
758         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
759         generalize to handle any number of operands.
760         (TB_parent_eq): Likewise.
761
762         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
763         (strip_builtin_expect): Likewise.
764
765         * function.c (gimplify_parameters): Use build_call_expr.
766
767         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
768         instead of TREE_CODE_LENGTH.
769
770         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
771         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
772
773         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
774         iterators.
775
776         * gimplify.c (build_stack_save_restore): Use build_call_expr.
777         (gimplify_decl_expr): Likewise.
778         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
779         Use new CALL_EXPR iterators.
780         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
781         (gimplify_modify_expr_to_memset): Likewise.
782         (gimplify_variable_sized_compare): Likewise.
783         (gimplify_omp_atomic_fetch_op): Likewise.
784         (gimplify_omp_atomic_pipeline): Likewise.
785         (gimplify_omp_atomic_mutex): Likewise.
786         (gimplify_function_tree): Likewise.
787
788         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
789         (call_expr_flags): Likewise.
790         (expand_call): Likewise.
791
792         * except.c (expand_builtin_eh_return_data_regno): Pass entire
793         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
794         accessors.
795
796         * coverage.c (create_coverage): Use build_call_expr.
797
798         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
799         (temp_call_expr_obstack): New.
800         (pool_copy_list): Delete.
801         (temp_copy_call_expr): New.
802         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
803         CALL_EXPR accessors.  Get rid of special goo for copying argument
804         lists and use temp_copy_call_expr instead.
805         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
806         CALL_EXPR accessors.
807         (create_expression_by_pieces): Likewise.  Use build_call_array
808         to construct the result instead of fold_build3.
809         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
810         dealing with argument lists.
811         (init_pre): Remove references to expression_node_pool and
812         list_node_pool.  Init temp_call_expr_obstack instead.
813         (fini_pre): Remove references to expression_node_pool and
814         list_node_pool.
815
816         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
817         and walk arguments explicitly instead of as a list.
818
819         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
820         (mx_register_decls): Likewise.
821         (mudflap_register_call): Likewise.
822         (mudflap_finish_file): Likewise.
823
824         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
825         (ipa_callsite_compute_param): Likewise.
826
827         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
828         accessors and constructor.
829
830         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
831         accessors and constructor.
832         (convert_tramp_reference): Likewise.
833         (convert_call_expr): Likewise.
834         (finalize_nesting_tree_1): Likewise.
835
836         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
837         accessors.
838
839         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
840
841         * tree-inline.c (initialize_inlined_parameters): Pass entire
842         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
843         accessors.
844         (estimate_num_insns_1): Use new CALL_EXPR accessors.
845         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
846
847         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
848         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
849         (vectorizable_reduction): Likewise.
850         (vectorizable_call): Use new CALL_EXPR iterators.
851         (vectorizable_conversion): Use build_call_expr.
852         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
853         (vect_gen_widened_results_half): Use build_call_expr.
854         (vect_setup_realignment): Likewise.
855         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
856
857         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
858         (pass_through_call): Likewise.
859         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
860         fold_builtin.
861
862         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
863         (tree_gen_pow2_profiler): Likewise.
864         (tree_gen_one_value_profiler): Likewise.
865         (tree_gen_ic_func_profiler): Likewise.
866         (tree_gen_average_profiler): Likewise.
867         (tree_gen_ior_profiler): Likewise.
868
869         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
870         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
871         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
872
873         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
874         of TREE_CODE_LENGTH.
875
876         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
877         of TREE_CODE_LENGTH.
878
879         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
880         constructor.
881         (convert_to_integer): Likewise.
882
883         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
884         accessors.
885
886 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
887             Brooks Moses  <brooks.moses@codesourcery.com>
888             Lee Millward  <lee.millward@codesourcery.com>
889
890         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
891         accessors.
892         * config/frv/frv.c (frv_expand_builtin): Likewise.
893         * config/s390/s390.c (s390_expand_builtin): Likewise.
894
895         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
896         (sparc_expand_builtin): Use new CALL_EXPR accessors.
897
898         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
899         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
900         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
901         (ix86_expand_store_builtin): Likewise.
902         (ix86_expand_unop_builtin): Likewise.
903         (ix86_expand_unop1_builtin): Likewise.
904         (ix86_expand_sse_compare): Likewise.
905         (ix86_expand_sse_comi): Likewise.
906         (ix86_expand_vec_init_builtin): Likewise.
907         (ix86_expand_vec_ext_builtin): Likewise.
908         (ix86_expand_vec_set_builtin): Likewise.
909         (ix86_expand_builtin): Use new CALL_EXPR accessors.
910
911         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
912         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
913
914         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
915         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
916         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
917
918         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
919         build_call_expr.
920         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
921         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
922         arglist.  Use new CALL_EXPR accessors.  Fix callers.
923         (altivec_expand_abs_builtin): Likewise.
924         (rs6000_expand_binop_builtin): Likewise.
925         (altivec_expand_predicate_builtin): Likewise.
926         (altivec_expand_lv_builtin): Likewise.
927         (spe_expand_stv_builtin): Likewise.
928         (altivec_expand_stv_builtin): Likewise.
929         (rs6000_expand_ternop_builtin): Likewise.
930         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
931         (altivec_expand_st_builtin): Likewise.
932         (altivec_expand_dst_builtin): Likewise.
933         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
934         arglist.  Use new CALL_EXPR accessors.  Fix callers.
935         (altivec_expand_vec_set_builtin): Likewise.
936         (altivec_expand_vec_ext_builtin): Likewise.
937         (altivec_expand_builtin): Use new CALL_EXPR accessors.
938         (spe_expand_builtin): Likewise.
939         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
940         arglist.  Use new CALL_EXPR accessors.  Fix callers.
941         (spe_expand_evsel_builtin): Likewise.
942         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
943         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
944
945         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
946         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
947         (arm_expand_unop_builtin): Likewise.
948         (arm_expand_builtin): Use new CALL_EXPR accessors.
949
950         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
951         accessors.
952
953         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
954         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
955         (bfin_expand_unop_builtin): Likewise.
956         (bfin_expand_builtin): Use new CALL_EXPR accessors.
957
958 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
959             Brooks Moses  <brooks.moses@codesourcery.com>
960             Lee Millward  <lee.millward@codesourcery.com>
961
962         * c-semantics.c (build_stmt): Add internal diagnostic check.
963
964         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
965         accessors.  Print arguments explicitly instead of as a list.
966
967         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
968
969         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
970         (c_finish_omp_flish): Likewise.
971
972         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
973         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
974         instead of TREE_CODE_LENGTH.
975         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
976         (c_warn_unused_result): Likewise.
977
978 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
979
980         PR c/26494
981         * doc/invoke.texi (Warning Options): Remove
982         -Werror-implicit-function-declaration.
983         (Wimplicit-function-declaration): Update description.
984         * opts.c (common_handle_option): Move handling of -Werror=* to...
985         (enable_warning_as_error): ...here.
986         * opts.h (enable_warning_as_error): Declare.
987         * c-decl.c (implicit_decl_warning): Unless
988         -Wno-implicit-function-declaration is given, emit a pedwarn if
989         -std=c99 or emit a warning if -Wimplicit-function-declaration.
990         * c.opt (Wimplicit-function-declaration): Replace
991         mesg_implicit_function_declaration with
992         warn_implicit_function_declaration.
993         * c-opts.c (c_common_handle_option):
994         -Werror-implicit-function-declaration is exactly equal as
995         -Werror=implicit-function-declaration.
996         (set_Wimplicit): Replace mesg_implicit_function_declaration with
997         warn_implicit_function_declaration.
998         (c_common_post_options): -Wimplict-function-declaration is enabled
999         by default by -std=c99, otherwise is disabled by default.
1000         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1001
1002 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1003
1004         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1005         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1006         former is ignored but not the latter.
1007
1008 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1009
1010         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1011         is made and the reference doesn't use the alias set of its type,
1012         do not create the temporary using that type.
1013
1014 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1015
1016         * jump.c: Remove prototypes for delete_computation and
1017         delete_prior_computation.
1018
1019 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1020
1021         * jump.c (get_label_after): Delete.
1022         (get_label_before, delete_computation, delete_jump,
1023         delete_prior_computation, follow_jumps): Move...
1024         * reorg.c (delete_computation, delete_prior_computation): ... here...
1025         (get_label_before, delete_jump): ... making these static ...
1026         (follow_jumps): ... and simplifying this since it only runs after
1027         reload.
1028         * rtl.h (get_label_after, get_label_before, delete_jump,
1029         follow_jumps): Delete prototypes.
1030
1031 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1032
1033         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1034
1035 2007-02-15  Nick Clifton  <nickc@redhat.com>
1036
1037         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1038         order to prevent it from being munged by the target.
1039
1040 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * config/i386/i386.md: Remove misleading comment.
1043
1044 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1045
1046         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1047         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1048         invalid patterns.
1049
1050 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1051
1052         * tree-sra.c (instantiate_missing_elements): Canonicalize
1053         bit-field types.
1054         (sra_build_assignment): New.
1055         (generate_copy_inout, generate_element_copy,
1056         generate_element_zero, generate_one_element_init): Use it.
1057
1058 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1059
1060         * tree-sra.c (instantiate_missing_elements): Canonicalize
1061         bit-field types.
1062         (sra_build_assignment): New.
1063         (generate_copy_inout, generate_element_copy,
1064         generate_element_zero, generate_one_element_init): Use it.
1065
1066 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1067
1068         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1069         limbo die nodes.
1070
1071 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1072
1073         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1074         types as aggregates not scalars.
1075         * function.c (assign_stack_temp_for_type): Likewise.
1076
1077 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1078             Zdenek Dvorak  <dvorakz@suse.cz>
1079
1080         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1081         name.
1082
1083 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1084
1085         * passes.c (next_pass_1): Clear the next field of the copied
1086         pass structure.
1087
1088 2007-02-14  Richard Henderson  <rth@redhat.com>
1089
1090         * tree-sra.c (early_sra): New.
1091         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1092         (tree_sra_early, pass_sra_early): New.
1093         * tree-pass.h (pass_sra_early): Declare.
1094         * passes.c (init_optimization_passes): Use it.
1095
1096 2007-02-14  Richard Guenther  <rguenther@suse.de>
1097
1098         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1099
1100 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1101
1102          PR tree-optimization/30771
1103         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1104         also phi nodes.
1105         (vect_analyze_operations): Induction phis can now be marked as
1106         used_in_loop.
1107         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1108         Update documentation accordingly.
1109
1110 2007-02-14  Nick Clifton  <nickc@redhat.com>
1111
1112         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1113         most 3 arguments are supported.
1114         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1115
1116 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1117
1118         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1119         Ensure dst->current is valid.
1120
1121 2007-02-13  Paul Brook  <paul@codesourcery.com>
1122
1123         * config.gcc: Add arm*-*-uclinux-*eabi.
1124         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1125         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1126         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1127         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1128         (LINK_SPEC): Define.
1129         (LIB_SPEC): Define.
1130         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1131         register.
1132         * config/arm/uclinux-eabi.h: New file.
1133         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1134         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1135         based targets.
1136
1137 2007-02-13  Ian Lance Taylor  <iant@google.com>
1138
1139         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1140         * flags.h (warn_strict_overflow): Declare.
1141         (enum warn_strict_overflow_code): Define.
1142         (issue_strict_overflow_warning): New static inline function.
1143         * opts.c (warn_strict_overflow): New variable.
1144         (common_handle_option): Handle OPT_Wstrict_overflow and
1145         OPT_Wstrict_overflow_.
1146         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1147         OPT_Wall.
1148         * fold-const.c: Include intl.h.
1149         (fold_deferring_overflow_warnings): New static variable.
1150         (fold_deferred_overflow_warning): New static variable.
1151         (fold_deferred_overflow_code): New static variable.
1152         (fold_defer_overflow_warnings): New function.
1153         (fold_undefer_overflow_warnings): New function.
1154         (fold_undefer_and_ignore_overflow_warnings): New function.
1155         (fold_deferring_overflow_warnings_p): New function.
1156         (fold_overflow_warning): New static function.
1157         (make_range): Add strict_overflow_p parameter.  Change all
1158         callers.
1159         (extract_muldiv, extract_muldiv_1): Likewise.
1160         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1161         tree_expr_nonnegative_p.
1162         (fold_negate_expr): Call fold_overflow_warning.
1163         (fold_range_test): Likewise.
1164         (fold_comparison): Likewise.
1165         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1166         instead of tree_expr_nonnegative_p.
1167         (tree_expr_nonnegative_warnv_p): Rename from
1168         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1169         (tree_expr_nonnegative_p): New function.
1170         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1171         strict_overflow_p parameter.
1172         (tree_expr_nonzero_p): New function.
1173         * passes.c (verify_interpass_invariants): New static function.
1174         (execute_one_pass): Call it.
1175         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1176         warnings.
1177         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1178         (estimate_numbers_of_iterations): Likewise.
1179         (scev_probably_wraps_p): Likewise.
1180         * tree-ssa-ccp.c: Include "toplev.h".
1181         (evaluate_stmt): Defer fold overflow warnings until we know we are
1182         going to optimize.
1183         (struct fold_stmt_r_data): Add stmt field.
1184         (fold_stmt_r): Defer fold overflow warnings until we know we
1185         optimized.
1186         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1187         (fold_stmt_inplace): Likewise.
1188         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1189         (cleanup_control_expr_graph): Defer fold overflow warnings until
1190         we know we are going to optimize.
1191         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1192         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1193         Likewise.
1194         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1195         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1196         * tree-ssa-loop-manip.c (create_iv): Likewise.
1197         * c-typeck.c (build_conditional_expr): Likewise.
1198         (build_binary_op): Likewise.
1199         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1200         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1201         (extract_range_from_unary_expr): Likewise.
1202         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1203         assuming that signed overflow does not occur.
1204         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1205         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1206         (fold_defer_overflow_warnings): Declare.
1207         (fold_undefer_overflow_warnings): Declare.
1208         (fold_undefer_and_ignore_overflow_warnings): Declare.
1209         (fold_deferring_overflow_warnings_p): Declare.
1210         (tree_expr_nonzero_warnv_p): Declare.
1211         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1212         of warning options.
1213         (Warning Options): Document -Wstrict-overflow.
1214         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1215         (tree-ssa-ccp.o): Likewise.
1216         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1217         (fold-const.o): Depend on intl.h.
1218
1219 2007-02-13  Ian Lance Taylor  <iant@google.com>
1220
1221         PR middle-end/30751
1222         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1223         addresses.
1224
1225 2007-02-13  Stuart Hastings  <stuart@apple.com>
1226
1227         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1228
1229 2007-02-13  Richard Henderson  <rth@redhat.com>
1230
1231         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1232         handled_component_p before looking for the indirect_ref.
1233
1234 2007-02-13  Richard Henderson  <rth@redhat.com>
1235
1236         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1237         remove flags clobber.
1238         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1239         (bswaphi_lowpart): New.
1240         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1241         remove TARGET_BSWAP test.  Delete expander of the same name.
1242
1243         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1244         (expand_unop): Use them.
1245
1246 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1249         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1250         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1251         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1252         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1253         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1254         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1255         assembler dialect choice from asm templates.
1256
1257 2007-02-12  Richard Henderson  <rth@redhat.com>
1258
1259         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1260         (fixuns_trunc<SSEMODEF>si2): Use it.
1261         * config/i386/sse.md (vec_setv4sf_0): Export.
1262         * config/i386/i386.c (ix86_build_const_vector): Export.
1263         (ix86_split_convert_uns_si_sse): Rename from
1264         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1265         * config/i386/i386-protos.h: Update.
1266
1267 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1268
1269         PR c/29521
1270         * c-typeck.c (c_finish_return): Improve warning message.
1271
1272 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1273
1274         * alias.c (find_symbolic_term): Delete unused function.
1275
1276 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1277
1278         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1279         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1280         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1281
1282 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1283
1284         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1285         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1286         the function, temporarily point the debug interface to the null one.
1287
1288 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         * dwarf2out.c (round_up_to_align): New static function.
1291         (field_byte_offset): Use it to round the offset.
1292
1293 2007-02-12  Richard Henderson  <rth@redhat.com>
1294
1295         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1296         (inswl_const): Export.
1297
1298 2007-02-12  Richard Henderson  <rth@redhat.com>
1299
1300         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1301         result mode of the libcall, convert back to outmode.
1302
1303 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1304
1305         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1306         (bswapdi2): New define_expand to implement 32-bit implementation.
1307
1308 2007-02-12  Nick Clifton  <nickc@redhat.com>
1309
1310         * doc/invoke.texi (Overall Options): Document --help=.
1311         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1312         (cc1_options): Pass --help= on to cc1.
1313         (display_help): Add description of --help=.
1314         (process_command): Add code to handle --help=.  Allow translated
1315         --help and --target-help switches to be passed on to compiler
1316         sub-process.
1317         (main): Remove unused if statement.
1318         * opts.c (columns): Remove.
1319         (LEFT_COLUMN): Define.
1320         (wrap_help): Add columns argument.
1321         (print_filtered_help): Change parameters to be an include bitmask,
1322         an exclude bitmask, an any bitmask and the column width.  Move the
1323         code to display the params list here.  Add code to display the
1324         status of options rather than their descriptions if the quiet flag
1325         is not active.
1326         (print_specific_help): Change parameters to be an include bitmask,
1327         an exclude bitmask and an any bitmask.  Move code to look up the
1328         column width here.  Decide upon the title for an options listing.
1329         (common_handle_options): Add code to handle --help=.  Adapt code
1330         for --help and --target-help to use the revised form of the
1331         print_specific_help function.
1332         (print_help): Delete.
1333         (print_param_help): Delete.
1334         (print_switch): Delete.
1335         * opts.h (cl_lang_count): Add prototype.
1336         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1337         CL_MAX_OPTION_CLASS): New defines.
1338         * optc-gen.awk: Add construction of cl_lang_count.
1339         * c.opt: Add Warning attribute to warning options and Optimization
1340         attribute to optimization options.
1341         * common.opt: Likewise.
1342         Add --help=.
1343         Add -fhelp and -ftarget-help as aliases for the transformed --help
1344         and --target-help options.
1345         * opt-functions.awk: Add code to handle Warning and Optimization
1346         attributes.
1347
1348 2007-02-12  Richard Henderson  <rth@redhat.com>
1349
1350         * config/alpha/constraints.md: New file.
1351         * config/alpha/alpha.c: Include tm-constrs.h.
1352         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1353         alpha_extra_constraint): Remove.
1354         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1355         * config/alpha/alpha-protos.h: Update.
1356         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1357         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1358         (EXTRA_CONSTRAINT): Remove.
1359         * config/alpha/alpha.md: Include constraints.md.
1360         (adddi splitter): Use satisfies_constraint_*.
1361         * config/alpha/predicates.md (add_operand): Likewise.
1362         (sext_add_operand, addition_operation): Likewise.
1363
1364 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1365
1366         PR tree-optimization/29145
1367         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1368         in our handling of restrict qualified pointers.
1369
1370 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1371
1372         PR middle-end/7651
1373         * doc/invoke.texi (Wunused-value): Update description.
1374         (Wextra): Delete item.
1375         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1376         value of Wunused-value.
1377         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1378         (c_finish_stmt_expr): Don't check extra_warnings.
1379         (emit_side_effect_warnings): The caller is responsible to check
1380         warn_unused_value.
1381
1382 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1383             Matt Thomas  <matt@3am-software.com>
1384
1385         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1386
1387 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1388
1389         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1390         comparisons of POPCOUNT against zero.
1391         (simplify_const_relational_operation): Likewise.
1392
1393 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1394
1395         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1396
1397 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1398
1399         * dwarf2out.c (root_type): Delete unused function.
1400
1401 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1402
1403         * genattrtab.c (contained_in_p): Delete unused function.
1404         (write_expr_attr_cache): Likewise.
1405
1406 2007-02-11  Jan Hubicka  <jh@suse.cz>
1407
1408         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1409         previous patch.
1410
1411 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1412
1413         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1414         to add the REG_EQ* note.
1415         * see.c (see_merge_one_use_extension): Likewise.
1416         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1417         turn REG_EQUAL notes into REG_EQUIV notes if the target
1418         register may have more than one set.
1419         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1420         * gcse.c (try_replace_reg): Likewise.
1421         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1422         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1423         more than one REG_EQUIV note.
1424         * reload1.c (gen_reload): Use set_unique_reg_note.
1425
1426 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1427
1428         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1429         (ix86_builtin_conversion): New function.
1430
1431 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1432
1433         PR target/29487
1434         * tree.h (DECL_REPLACEABLE_P): New macro.
1435         * except.c (set_nothrow_function_flags): Likewise.
1436
1437 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1438             Ira Rosen  <irar@il.ibm.com>
1439             Dorit Nuzman  <dorit@il.ibm.com>
1440
1441         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1442         * targhooks.c (default_builtin_vectorized_conversion): New.
1443         * targhooks.h (default_builtin_vectorized_function): New declaration.
1444         * target.h (struct vectorize): Add builtin_conversion field.
1445         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1446         stmt_vec_info_type value.
1447         (vectorizable_conversion): New declaration.
1448         * tree-vect-analyze.c (vect_analyze_operations): Add
1449         vectorizable_conversion call.
1450         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1451         * tree-vect-transform.c (vectorizable_conversion): New function.
1452         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1453         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1454         mode.
1455         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1456         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1457         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1458         or ALTIVEC_BUILTIN_VCFSX.
1459
1460 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1461
1462         PR target/30634
1463         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1464         CONST_DOUBLE and operand 0 is a hard register.
1465         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1466         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1467         is a hard floating-point register.
1468
1469 2007-02-10  Richard Henderson  <rth@redhat.com>
1470             Jakub Jelinek  <jakub@redhat.com>
1471             Alexandre Oliva  <aoliva@redhat.com>
1472
1473         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1474         * builtin-types.def (BT_WORD): Make unsigned.
1475         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1476         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1477         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1478         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1479         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1480         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1481         emulated tls.
1482         * expr.c (emutls_var_address): New.
1483         (expand_expr_real_1): Expand emulated tls.
1484         (expand_expr_addr_expr_1): Likewise.
1485         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1486         * output.h (emutls_finish): Declare.
1487         * toplev.c (compile_file): Call it.
1488         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1489         address before wrapping in CONST.
1490         * varasm.c (emutls_htab, emutls_object_type): New.
1491         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1492         (get_emutls_object_name, get_emutls_object_type): New.
1493         (get_emutls_init_templ_addr, emutls_decl): New.
1494         (emutls_common_1, emutls_finish): New.
1495         (assemble_variable): When emulating tls, swap decls; generate
1496         constructor for the emutls objects.
1497         (do_assemble_alias): When emulating tls, swap decl and target name.
1498         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1499         for emulated tls.
1500         * varpool.c (decide_is_variable_needed): Look at force_output.
1501         Recurse for emulated tls.
1502         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1503         with decide_is_variable_needed.
1504         * emutls.c: New file.
1505         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1506         tls_object for real tls.
1507
1508 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1509
1510         PR rtl-optimization/29599
1511         * reload1.c (eliminate_regs_in_insn): Take the destination
1512         mode into account when computing the offset.
1513
1514 2007-02-09  Stuart Hastings  <stuart@apple.com>
1515             Richard Henderson  <rth@redhat.com>
1516
1517         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1518         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1519         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1520         fixuns_truncdfhi2): New.
1521         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1522         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1523         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1524         (floatunssidf2): Allow nonimmediate source.
1525         * gcc/config/i386/sse.md (movdi_to_sse): New.
1526         (vec_concatv2di): Drop '*'.
1527         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1528         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1529         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1530         New.
1531         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1532         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1533         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1534         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1535         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1536         ix86_build_const_vector.
1537         (x86_emit_floatuns): Rewrite.
1538
1539 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1540
1541         * genautomata.c (longest_path_length): Delete unused function.
1542         (struct state): Delete unused longest_path_length.
1543         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1544         (get_free_state): Delete unused.
1545
1546 2007-02-09  Jan Hubicka  <jh@suse.cz>
1547
1548         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1549         * doc/invoke.texi (inline-unit-growth): Update default value.
1550
1551         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1552         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1553         (rebuild_cgraph_edges): Likewise.
1554         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1555         (dump_cgraph_node): Dump frequencies.
1556         (cgraph_clone_edge): Add frequency scales.
1557         (cgraph_clone_node): Add freuqnecy.
1558         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1559         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1560         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1561         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1562         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1563         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1564         (save_inline_function_body): Likewise.
1565         * ipa-inline.c: inluce rtl.h
1566         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1567         (cgraph_edge_badness): Use frequencies.
1568         (cgraph_decide_recursive_inlining): Update clonning.
1569         (cgraph_decide_inlining_of_small_function): Dump frequency.
1570         * predict.c (estimate_bb_frequencies): Export.
1571         * predict.h (estimate_bb_frequencies): Declare.
1572         * tree-inline.c (copy_bb): Watch overflows.
1573         (expand_call_inline): Update call of cgraph_create_edge.
1574         (optimize_inline_calls): Use TODO flags to update frequnecies.
1575         * passes.h: Include predict.h
1576         (init_optimization_passes): Move profile ahead.
1577         (execute_function_todo): Handle TODO_rebuild_frequencies.
1578
1579 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1580
1581         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1582         the insbl or inswl pattern into a register.
1583
1584 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1585
1586         * config/ia64/ia64.md (bswapdi2): New define_insn.
1587
1588 2007-02-09  Richard Henderson  <rth@redhat.com>
1589
1590         * config/i386/constraints.md (Ym): New constraint.
1591         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1592         (movdi_1_rex64): Split sse and xmm general register moves from
1593         memory move alternatives.  Use conditional register constraints.
1594         (movsf_1, movdf_integer): Likewise.
1595         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1596         (movdf_integer_rex64): New.
1597         (pushsf_rex64): Fix output constraints.
1598         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1599         (sse2_stored): Likewise.
1600         (sse2_storeq_rex64): New.
1601         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1602         amd and not generic.
1603         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1604         for optimize_size.  Remove SF/DFmode hack.
1605
1606 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1607
1608         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1609         (bit_SSE4a): New.
1610
1611 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1612             Richard Sandiford  <richard@codesourcery.com>
1613
1614         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1615         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1616         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1617         m68k/t-mlib to tmake_file.
1618         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1619         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1620         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1621         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1622         variable is not empty, add t-$m68k_arch_family to tmake_file.
1623         Add t-mlibs to tmake_file.
1624         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1625         * config/m68k/t-cf: New file.
1626         * config/m68k/t-m68k: Likewise.
1627         * config/m68k/t-mlibs: Likewise.
1628         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1629         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1630         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1631         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1632         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1633         Delete.
1634         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1635         (INSTALL_LIBGCC): Delete.
1636         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1637         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1638         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1639         (M68K_MLIB_CPU): Define.
1640         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1641         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1642         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1643
1644 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1645             Richard Guenther  <rguenther@suse.de>
1646
1647         PR middle-end/23361
1648         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1649         against INT_MIN/INT_MAX.
1650         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1651         file if a loop is removed.
1652
1653 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1654
1655         * calls.c (store_one_arg): Pass correct alignment to
1656         emit_push_insn for non-BLKmode values.
1657         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1658         unaligned stack slot via a suitably aligned slot.
1659
1660 2007-02-08  DJ Delorie  <dj@redhat.com>
1661
1662         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1663         warnings.
1664         (legal_subregs): Use unsigned char, make const.
1665         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1666
1667 2007-02-08  Paul Brook  <paul@codesourcery.com>
1668
1669         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1670         special interworking needed.
1671
1672 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1673
1674         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1675         conditional to __SSE2__.
1676         (Entries below should have been added to first ChangeLog
1677         entry for amdfam10 dated 2007-02-05)
1678         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1679         defined.
1680         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1681         defined.
1682         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1683         defined.
1684
1685 2007-02-08  DJ Delorie  <dj@redhat.com>
1686
1687         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1688         * config/m32c/m32c.c (legal_subregs): New.
1689         (m32c_illegal_subreg_p): New.
1690         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1691         unsupported subregs of hard regs.
1692
1693 2007-02-08  Jan Hubicka  <jh@suse.cz>
1694
1695         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1696         the same one; always update histograms.
1697
1698 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1699
1700         * passes.c (init_optimization_passes): Tidy comment.
1701
1702 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1703
1704         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1705         strip zero_extend, bswap and rotates from POCOUNT's argument.
1706         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1707         zero_extend and rotates from PARITY's argument.
1708         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1709         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1710         of an integer constant at compile-time.
1711
1712 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1713
1714         PR 30562
1715         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1716         Update all users.
1717         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1718         users.
1719         (init_alias_info):
1720         * tree-ssa-live.c (remove_unused_locals): Do not remove
1721         TREE_ADDRESSABLE variables.
1722         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1723         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1724         FOR_CLOBBER.  Update all users.
1725         If VAR has an associated alias set, add a virtual operand for
1726         it if no alias is found to conflict with the memory reference.
1727
1728 2007-02-07  Jan Hubicka  <jh@suse.cz>
1729             Robert Kidd <rkidd@crhc.uiuc.edu>
1730
1731         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1732
1733 2007-02-07  Ian Lance Taylor  <iant@google.com>
1734
1735         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1736
1737 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1738
1739         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1740         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1741         tablejumpdi, movsi_to_cr_one): Remove constraints from
1742         define_expand's match_operands.
1743
1744 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1745
1746         * global.c (compute_regsets): Move declatation of "i" inside of
1747         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1748
1749 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1750
1751         PR c++/30703
1752         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1753         of INDIRECT_REF <RESULT_DECL>.
1754
1755         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1756
1757 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1758             Kaz Kojima  <kkojima@gcc.gnu.org>
1759
1760         PR target/29746
1761         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1762         properly.
1763         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1764
1765 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1766
1767         * doc/loop.texi: Document possibility not to perform disambiguation
1768         of loops with multiple latches.
1769         * cfgloopmanip.c (alp_enum_p): Removed.
1770         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1771         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1772         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1773         the new forwarder block.
1774         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1775         Handle the case latch is NULL.
1776         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1777         when marking loop exits.
1778         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1779         be modified.
1780         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1781         disambiguate_loops_with_multiple_latches.
1782         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1783         before fix_loop_structure.
1784         * cfgloop.c: Include pointer-set.h and output.h.
1785         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1786         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1787         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1788         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1789         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1790         disambiguate_multiple_latches, get_loop_body_with_size,
1791         disambiguate_loops_with_multiple_latches): New functions.
1792         (flow_loop_dump): Dump multiple latch edges.
1793         (flow_loop_nodes_find): Handle loops with multiple latches.
1794         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1795         (glb_enum_p): Modified.
1796         (get_loop_body): Use get_loop_body_with_size.
1797         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1798         (AVOID_CFG_MODIFICATIONS): New constant.
1799         (disambiguate_loops_with_multiple_latches, add_loop,
1800         get_loop_body_with_size): Declare.
1801         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1802
1803 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1804
1805         PR inline-asm/28686
1806         * global.c (compute_regsets): New function.
1807         (global_alloc): Refactored ELIMINABLE_REGSET
1808         and NO_GLOBAL_ALLOC_REGS computation out.
1809         (rest_of_handle_global_alloc): Call compute_regsets()
1810         for non-optimizing case.
1811
1812 2007-02-06  Richard Henderson  <rth@redhat.com>
1813
1814         * config/i386/constraints.md (Y2): Rename from Y.
1815         (Yi): New constraint.
1816         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1817         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1818         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1819         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1820         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1821         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1822         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1823         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1824         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1825         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1826         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1827         vec_extractv2si_1): Change Y constraints to Y2.
1828         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1829         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1830         Change Y constraints to Y2.
1831         (sse2_loadld): Change Y constraints to x.
1832
1833 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1834
1835         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1836         (parity<mode>2): New define_expand using rs6000_emit_parity.
1837         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1838         rs6000_emit_parity): New functions.
1839         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1840         rs6000_emit_parity): Prototype here.
1841
1842 2007-02-06  Ian Lance Taylor  <iant@google.com>
1843
1844         * lower-subreg.c (simple_move_operand): Reject CONST.
1845         (resolve_clobber): Call validate_change rather than directly
1846         assigning to XEXP (pat, 0).
1847
1848 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1849
1850         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1851         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1852         (tree-cfg.o): Remove hashtab.h dependency.
1853
1854         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1855         (struct ivopts_data): Change niters to pointer_map_t.
1856         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1857         (niter_for_exit): Create pointer_map on demand.  Change for
1858         pointer_map API.
1859         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1860         (free_loop_data): Destroy data->niters if created and reset field.
1861         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1862         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1863
1864         * tree-ssa-reassoc.c: Include pointer-set.h.
1865         (bb_rank): Change to long *.
1866         (operand_rank): Change to pointer_map_t.
1867         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1868         (insert_operand_rank): Accept long.
1869         (operand_entry_hash, operand_entry_eq): Remove.
1870         (get_rank): Return long.  Adjust for changes above.
1871         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1872         and operand_rank.
1873         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1874
1875         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1876         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1877         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1878         is not NULL.
1879         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1880         directly since it cannot be NULL.
1881         (get_vi_for_tree): Rewrite for pointer_map API.
1882         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1883         (init_alias_vars): Create vi_for_tree as pointer_map.
1884         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1885
1886         * tree-cfg.c: Don't include hashtab.h.
1887         (edge_to_cases): Declare as pointer_map.
1888         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1889         Delete.
1890         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1891         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1892         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1893         destroying it.
1894         (record_switch_edge): Delete.
1895         (get_cases_for_edge): Adjust for pointer_map API, inline
1896         record_switch_edge (rewritten for new API), remove goto.
1897
1898 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1899
1900         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1901         * tree-nested.c: Include pointer-set.h.
1902         (var_map_elt, var_map_eq, var_map_hash): Delete.
1903         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1904         to pointer_map_t's.
1905         (nesting_info_bitmap_obstack): New.
1906         (lookup_field_for_decl): Adjust for pointer_map API.
1907         (lookup_tramp_for_decl): Adjust for pointer_map API.
1908         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1909         (get_local_debug_decl): Adjust for pointer_map API.
1910         (convert_nl_goto_reference): Adjust for pointer_map API.
1911         (convert_nl_goto_receiver): Adjust for pointer_map API.
1912         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1913         the new obstack.  Create field_map and var_map as pointer_maps.
1914         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1915         (root): Delete.
1916         (lower_nested_functions): Move root here, no need to NULL it.
1917         Initialize and release the obstack.
1918
1919 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1920
1921         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1922         Remove prototypes and make them non-static.
1923         (struct tree_int_map): Remove.
1924         * tree.h (struct tree_int_map): Move here, turning TO into an
1925         unsigned int.
1926         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1927
1928         * tree.h (TREE_COMPLEXITY): Remove.
1929         (struct tree_exp): Remove complexity field.
1930         * tree.c (build1_stat): Don't set it.
1931
1932 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1933             Victor Kaplansky  <victork@il.ibm.com>
1934
1935         * tree-vectorizer.c (vect_is_simple_use): Support induction.
1936         (vect_is_simple_reduction): Support reduction with induction as
1937         one of the operands.
1938         (vect_is_simple_iv_evolution): Fix formatting.
1939         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1940         formatting.  Don't mark induction phis for vectorization.
1941         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1942         * tree-vect-transform.c (get_initial_def_for_induction): New function.
1943         (vect_get_vec_def_for_operand): Support induction.
1944         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1945         induction case.
1946         (vectorizable_reduction): Support reduction with induction as one of
1947         the operands.
1948         (vectorizable_type_demotion): Use def-type of stmt argument rather
1949         than dummy def-type.
1950
1951         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1952         flag_tree_scev_cprop.
1953         * common.opt (tree-scev-cprop): New flag.
1954
1955         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1956         call to vect_get_new_vect_var.
1957
1958 2007-02-06  Ira Rosen  <irar@il.ibm.com>
1959
1960         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1961         vectype is not NULL.
1962         (vect_pattern_recog_1): Likewise.
1963
1964 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1965
1966         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1967         (fold_negate_expr): Likewise.
1968
1969 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
1970
1971         PR debug/30189
1972         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1973         even if cv-qualification is the same.
1974
1975 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
1976
1977         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1978         __enable_execute_stack on completion.
1979
1980 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1981
1982         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1983         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1984         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1985         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1986         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1987         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1988         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1989         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1990
1991 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1992
1993         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1994         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1995         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1996         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1997         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1998         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1999         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2000         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2001         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2002         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2003         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2004         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2005         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2006         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2007         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2008         sqrtextenddfxf2_i387): Added amdfam10_decode.
2009
2010         * config/i386/athlon.md (athlon_idirect_amdfam10,
2011         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2012         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2013         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2014         athlon_ivector_store_amdfam10): New define_insn_reservation.
2015         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2016         amdfam10.
2017
2018 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2019
2020         * config/i386/athlon.md (athlon_call_amdfam10,
2021         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2022         define_insn_reservation.
2023         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2024         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2025         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2026
2027 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2028
2029         * config/i386/athlon.md (athlon_sseld_amdfam10,
2030         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2031         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2032
2033 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2034
2035         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2036         define_insn_reservation.
2037         * config/i386/i386.md (sseins): Added sseins to define_attr type
2038         and define_attr unit.
2039         * config/i386/sse.md: Set type attribute to sseins for insertq
2040         and insertqi.
2041
2042 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2043
2044         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2045         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2046         ssecomi_load_amdfam10, ssecomi_amdfam10,
2047         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2048         define_insn_reservation.
2049         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2050
2051 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2052
2053         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2054         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2055         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2056         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2057         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2058         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2059         define_insn_reservation.
2060
2061         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2062         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2063         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2064         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2065         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2066
2067 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2068
2069         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2070         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2071         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2072         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2073         athlon_ssemul_load_k8): Added amdfam10.
2074
2075 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2076
2077         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2078         (x86_sse_unaligned_move_optimal): New variable.
2079
2080         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2081         m_AMDFAM10.
2082         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2083         for unaligned vector SSE double/single precision loads for AMDFAM10.
2084
2085 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2086
2087         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2088         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2089         Define TARGET_CPU_DEFAULT_amdfam10.
2090         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2091         (processor_type): Add PROCESSOR_AMDFAM10.
2092
2093         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2094         processor_type in config/i386/i386.h.
2095         Enable imul peepholes for TARGET_AMDFAM10.
2096
2097         * config.gcc: Add support for --with-cpu option for amdfam10.
2098
2099         * config/i386/i386.c (amdfam10_cost): New variable.
2100         (m_AMDFAM10): New macro.
2101         (m_ATHLON_K8_AMDFAM10): New macro.
2102         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2103         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2104         x86_promote_QImode, x86_integer_DFmode_moves,
2105         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2106         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2107         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2108         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2109         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2110         Enable/disable for amdfam10.
2111         (override_options): Add amdfam10_cost to processor_target_table.
2112         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2113         processor_alias_table.
2114         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2115         (ix86_adjust_cost): Add code for amdfam10.
2116
2117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2118
2119         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2120         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2121         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2122         * config/i386/i386.h: Add builtin definition for SSE4A.
2123         * config/i386/i386.md: Add support for ABM instructions
2124         (popcnt and lzcnt).
2125         * config/i386/sse.md: Add support for SSE4A instructions
2126         (movntss, movntsd, extrq, insertq).
2127         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2128         Add -march=amdfam10 flag.
2129         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2130         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2131         and amdfam10.
2132         * doc/extend.texi: Add documentation for SSE4A builtins.
2133
2134 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2135
2136         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2137
2138 2007-02-05  Richard Guenther  <rguenther@suse.de>
2139
2140         * tree-vectorizer.h (vectorizable_function): Add argument type
2141         argument, change return type.
2142         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2143         * tree-vect-transform.c (vectorizable_function): Handle extra
2144         argument, return vectorized function decl.
2145         (build_vectorized_function_call): Remove.
2146         (vectorizable_call): Handle calls with result and argument types
2147         differing.  Handle loop vectorization factor correctly.
2148         * targhooks.c (default_builtin_vectorized_function): Adjust for
2149         extra argument.
2150         * targhooks.h (default_builtin_vectorized_function): Likewise.
2151         * target.h (builtin_vectorized_function): Add argument type
2152         argument.
2153         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2154         extra argument, allow vectorizing of lrintf.
2155         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2156         documentation of target hook.
2157
2158 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2159
2160         PR target/30665
2161         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2162         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2163         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2164
2165 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2166
2167         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2168         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2169         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2170         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2171         before canonicalizing sincos to cexpi.
2172         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2173
2174 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2175
2176         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2177         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2178         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2179
2180 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2181
2182         * mips-tfile.c (initialize_init_file): Correct endianness test.
2183
2184 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2185
2186         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2187         the 'y' constraint.
2188
2189 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2190
2191         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2192         saves in a PARALLEL before the register assignments.
2193
2194 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2195
2196         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2197         DWARF_FRAME_RETURN_COLUMN to be a general register.
2198         * dwarf2out.c (init_return_column_size): New function, split from...
2199         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2200         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2201         to be nongeneral registers.
2202         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2203         integer registers.
2204         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2205         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2206
2207 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2208
2209         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2210
2211 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2212
2213         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2214         (remove_path): Use can_remove_branch_p and remove_branch instead
2215         of loop_delete_branch_edge.
2216         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2217         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2218         Update profile using scale_dominated_blocks_in_loop.
2219         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2220         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2221         (can_remove_branch_p, remove_branch): Declare.
2222         * tree-cfg.c (tree_can_remove_branch_p): New function.
2223         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2224         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2225         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2226
2227 2007-02-05  Jan Hubicka  <jh@suse.cz>
2228
2229         PR middle-end/30696
2230         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2231         nodes in cgraph, don't remove offline copy of the function.
2232
2233 2007-02-04  Jan Hubicka  <jh@suse.cz>
2234
2235         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2236         vectors might cause maybe_lookup_element_for_expr to be called
2237         on non-sra-candidate.
2238
2239 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2240
2241         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2242         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2243         spelling conventions.
2244
2245 2007-02-04  Richard Guenther  <rguenther@suse.de>
2246
2247         PR middle-end/30636
2248         * fold-const.c (try_move_mult_to_index): Make sure to not
2249         overflow one dimension of a multi-dimensional array access.
2250
2251 2007-02-04  Jan Hubicka  <jh@suse.cz>
2252
2253         * passes.c (init_optimization_passes): Reindent.
2254
2255 2007-02-04  Jan Hubicka  <jh@suse.cz>
2256             Eric Botcazou  <ebotcazou@adacore.com>
2257
2258         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2259         (execute_fixup_cfg): Break out the abnormal goto code.
2260         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2261         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2262         (optimize_inline_calls): Call make_nonlocal_label_edges.
2263
2264 2007-02-04  Jan Hubicka  <jh@suse.cz>
2265
2266         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2267         true when something was changed.
2268         (rename_ssa_copies): When something was changed, do
2269         TODO_remove_unused_locals.
2270         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2271         add TODO_remove_unused_locals when instruction was removed.
2272
2273 2007-02-04  Jan Hubicka  <jh@suse.cz>
2274
2275         * ipa-inline.c (try_inline): Improve debug output; work on already
2276         inline edges too.
2277         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2278         call try_inline for already inlined edges too when flattening;
2279         inline also functions that make callee growth but overall unit size
2280         reduce.
2281
2282 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2283
2284         * config/m32c/bitops.md, config/m32c/jump.md,
2285         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2286         config/m32r/m32r.h, config/m32r/m32r.md,
2287         config/m32r/predicates.md, config/m68hc11/larith.asm,
2288         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2289         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2290         config/mips/mips-protos.h, config/mips/mips.c,
2291         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2292         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2293         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2294         spelling conventions.
2295
2296         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2297         Follow spelling conventions.
2298
2299 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2300
2301        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2302        warn about C++0x compatibility.
2303
2304 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2305
2306         * config/h8300/h8300.c, config/h8300/h8300.h,
2307         config/h8300/h8300.md: Follow spelling conventions.
2308
2309 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2310
2311         PR middle-end/30667
2312         * combine.c (try_combine): Do not substitute source operand
2313         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2314
2315 2007-02-03  Jan Hubicka  <jh@suse.cz>
2316
2317         PR gcov-profile/30650
2318         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2319         do not divide by zero for never executed counters.
2320         (tree_find_values_to_profile): Fix counters.
2321         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2322
2323 2007-02-03  Ian Lance Taylor  <iant@google.com>
2324
2325         * lower-subreg.c (simple_move_operand): New static function,
2326         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2327         operands.
2328         (simple_move): Call simple_move_operand.
2329         (find_decomposable_subregs): Add special handling of MEMs.
2330         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2331         meaning of return value.  If we see a hard register, test whether
2332         it can store a word_mode value.  Change all callers.
2333
2334 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2335
2336         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2337         ftrapv insns and expanders.
2338         (subdi3): Change define_expand operand 1 to arith11_operand, and
2339         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2340         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2341         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2342         respectively.
2343
2344         PR middle-end/30174
2345         * varasm.c (notice_global_symbol): Treat global objects as weak when
2346         flag_shlib is true.
2347
2348 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2349
2350         * emit-rtl.c (dconstpi): Delete.
2351         (dconstsqrt2): New.
2352         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2353         * real.h (dconstpi): Delete.
2354         (dconstsqrt2): New.
2355         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2356         (fold_builtin_hypot): Likewise.
2357
2358 2007-02-03  Tom Tromey  <tromey@redhat.com>
2359
2360         PR driver/30246
2361         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2362         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2363
2364 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2365
2366         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2367         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2368         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2369         config/rs6000/cell.md, config/rs6000/darwin.h,
2370         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2371         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2372         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2373         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2374         typos.  Follow spelling conventions.
2375         * doc/invoke.texi: Follow spelling conventions.
2376
2377 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2378
2379         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2380         canonicalization transformations that attempt to simplify integer
2381         constant comparisons to become comparisons against zero.
2382
2383 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2384
2385         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2386         fabs(x)*sqrt(2).
2387         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2388         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2389
2390 2007-02-02  Mike Stump  <mrs@apple.com>
2391
2392         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2393         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2394         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2395         generate a branch island.
2396
2397 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2398
2399         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2400         (xtensa_legitimate_address_p): New.
2401         (xtensa_legitimize_address): New.
2402         (xtensa_output_addr_const_extra): New.
2403         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2404         (BASE_REG_P): New.
2405         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2406         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2407         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2408         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2409         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2410         (xtensa_legitimize_address): New.
2411         (xtensa_output_addr_const_extra): New.
2412
2413 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2414
2415         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2416
2417 2007-02-02  Ian Lance Taylor  <iant@google.com>
2418
2419         * expmed.c (expand_divmod): Add comment.
2420
2421 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2422
2423         * emit-rtl.c (renumber_insns): Remove.
2424         * flags.h: Remove the extern for flag_renumber_insns.
2425         * rtl.h: Remove the prototype for renumber_insns.
2426         * toplev.c (flag_renumber_insns): Remove.
2427
2428 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2429
2430         Revert for x86 darwin:
2431         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2432
2433         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2434         code before the following patch under TARGET_MACHO.
2435         (ix86_function_value_regno_p): Likewise.
2436
2437 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2438
2439         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2440         COMPLEX_EXPR.
2441
2442 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2443
2444         PR target/29682
2445         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2446         general or fp registers.  Add comments.
2447         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2448
2449 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2450
2451         * pointer-set.c (insert_aux): Only return insertion slot.
2452         (pointer_set_insert): Adjust.
2453         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2454         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2455         pointer_map_traverse): New.
2456         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2457         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2458         pointer_map_contains, pointer_map_traverse): Declare.
2459
2460 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR middle-end/30473
2463         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2464         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2465
2466 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2467
2468         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2469
2470         (struct _dep): New type.
2471         (dep_t): New typedef.
2472         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2473         (DEP_STATUS): New access macro.  The macro with the same name was
2474         renamed to DEP_LINK_STATUS.
2475         (dep_init): Declare function
2476
2477         (struct _dep_link): New type.
2478         (dep_link_t): New typedef.
2479         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2480         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2481         (DEP_LINK_STATUS): New macro.
2482         (debug_dep_links): New debug function.
2483
2484         (struct _deps_list): New type.
2485         (deps_list_t): New typedef.
2486         (DEPS_LIST_FIRST): New access macro.
2487         (FOR_EACH_DEP_LINK): New cycle macro.
2488         (create_deps_list, free_deps_list, delete_deps_list): Declare
2489         functions.
2490         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2491         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2492         (copy_deps_list_change_con): Ditto.
2493
2494         (move_dep_link): Declare function.
2495
2496         (struct _dep_node): New type.
2497         (dep_node_t): New typedef.
2498         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2499
2500         (struct haifa_insn_data.back_deps): New field to hold backward
2501         dependencies of the insn.
2502         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2503         to deps_list_t.
2504         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2505         Change its type to deps_list_t.
2506         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2507         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2508         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2509
2510         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2511
2512         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2513
2514         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2515         all callers.
2516         (dep_cost): Declare.
2517
2518         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2519         (ds_to_dk, dk_to_ds): New functions.
2520
2521         (init_dep_1): New static function.
2522         (init_dep): New function.
2523         (copy_dep): New static function.
2524
2525         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2526         functions.
2527         (detach_dep_link): New static function.
2528         (move_dep_link): New function.
2529
2530         (dep_links_consistent_p, dump_dep_links): New static functions.
2531         (debug_dep_links): New debugging function.
2532
2533         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2534
2535         (alloc_deps_list, init_deps_list): New static functions.
2536         (create_deps_list): New function.
2537         (clear_deps_list): New static function.
2538         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2539         (deps_list_consistent_p, dump_deps_list): New static functions.
2540         (debug_deps_list): New function.
2541         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2542         functions.
2543         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2544
2545         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2546         use new scheduler dependencies lists.
2547         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2548         (sched_analyze): Ditto.  Initialize dependencies lists.
2549         (add_forw_dep, compute_forward_dependences): Update to use new
2550         scheduler dependencies lists.
2551
2552         (init_dependency_caches): Init deps_obstack.
2553         (free_dependency_caches): Free deps_obstack.
2554
2555         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2556         new scheduler dependencies lists.
2557         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2558         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2559
2560         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2561         Update to use new scheduler dependencies lists.
2562         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2563         (debug_dependencies): Ditto.
2564         (schedule_region): Update comments.
2565
2566         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2567         scheduler dependencies lists.
2568         (schedule_ebb): Update comments.
2569
2570         * rtl.def (DEPS_LIST): Remove.
2571
2572         * lists.c (unused_deps_list): Remove.
2573         (free_list): Update assertions.
2574
2575         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2576         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2577
2578         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2579         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2580
2581         * haifa-sched.c (comments): Update.
2582         (insn_cost1): Remove.  Inline the code into insn_cost ().
2583         (insn_cost): Update to use new scheduler dependencies lists.  Move
2584         processing of the dependency cost to dep_cost ().
2585         (dep_cost): New function.  Use it instead of insn_cost () when
2586         evaluating cost of the dependency.  Use compatible interface to
2587         interact with the target.
2588         (priority): Update to use new scheduler dependencies lists.
2589         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2590         with greater number of insns that depend on the insn.
2591         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2592         code to free backward dependencies lists.  Inline and optimize code
2593         from resolve_dep () - see PR28071.
2594         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2595         lists.  Update call to targetm.sched.is_costly_dependence hook.
2596
2597         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2598         scheduler dependencies lists.
2599
2600         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2601         (init_h_i_d): Initialize dependencies lists.
2602
2603         (process_insn_depend_be_in_spec): Rename to
2604         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2605         dependencies lists.
2606         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2607         Update to use new scheduler dependencies lists.
2608         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2609
2610         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2611         new scheduler dependencies lists.
2612         (build_intra_loop_deps): Ditto.
2613
2614         * target.h (struct _dep): Declare to use in
2615         gcc_target.sched.is_costly_dependence.
2616         (struct gcc_target.sched.adjust_cost): Fix typo.
2617         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2618         single dep_t parameter instead of an equivalent triad.
2619         (struct gcc_target.sched.adjust_cost_2): Remove.
2620
2621         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2622
2623         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2624
2625         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2626         documentation.
2627         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2628
2629         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2630         (REG_DEP_TRUE): Document.
2631
2632         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2633         Change signature to correspond to the targetm.sched.adjust_cost hook.
2634         Update use in TARGET_SCHED_ADJUST_COST_2.
2635         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2636         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2637         new scheduler dependencies lists.
2638         (ia64_gen_check): Ditto.
2639
2640         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2641         dependencies lists.
2642
2643         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2644         signature to correspond to the targetm.sched.is_costly_dependence hook.
2645         (is_costly_group): Update to use new scheduler dependencies lists.
2646
2647         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2648         instead of INSN_COST () macro.
2649
2650 2007-02-01  Ian Lance Taylor  <iant@google.com>
2651
2652         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2653
2654 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2655
2656         * pa.md (tp_load): Correct mfctl instruction syntax.
2657
2658 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2659
2660         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2661         altivec_padding_size calculation on AIX.  Improve comment, add
2662         assert to verify that it's right.
2663
2664         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2665         64-bit.
2666
2667 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2668
2669         PR inline-asm/28686
2670         * global.c (global_alloc): Add mising initialization of
2671         ELIMINABLE_REGSET.
2672
2673 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2674
2675         * alias.c (init_alias_analysis): Correct whitespace.
2676         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2677         partition_hot_cold_basic_blocks): Likewise.
2678         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2679         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2680         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2681         fold_builtin_snprintf_chk, fold_builtin_printf,
2682         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2683         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2684         * cfgcleanup.c (cleanup_cfg): Likewise.
2685         * cfgexpand.c (tree_expand_cfg): Likewise.
2686         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2687         * function.c (get_next_funcdef_no): Likewise.
2688         * gengtype.c (main): Likewise.
2689         * genmodes.c (main): Likewise.
2690         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2691         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2692         * ifcvt.c (noce_emit_move_insn): Likewise.
2693         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2694         Likewise.
2695         * stor-layout.c (get_best_mode): Likewise.
2696         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2697         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2698         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2699         perform_var_substitution, solve_graph): Likewise.
2700         * tree-vrp.c (vrp_finalize): Likewise.
2701
2702 2007-02-01  Ian Lance Taylor  <iant@google.com>
2703
2704         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2705         high part of a paradoxical subreg, return a constant zero.
2706
2707 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2708
2709         * toplev.c (lang_dependent_init): Call init_set_costs.
2710         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2711
2712 2007-02-01  Richard Guenther  <rguenther@suse.de>
2713
2714         PR middle-end/30656
2715         * fold-const.c (fold_negate_expr): Allow negating a
2716         constant if overflow does not change.
2717
2718 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2719
2720         * doc/c-tree.texi (Expression trees): Improve markup.
2721         * doc/tm.texi (Register Classes, Addressing Modes)
2722         (Floating Point): Fix spacing after abbreviations.  Fix some
2723         typos.
2724
2725 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2726
2727         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2728         * doc/contrib.texi: Likewise.
2729         * doc/install.texi: Likewise.
2730
2731 2007-01-31  Richard Henderson  <rth@redhat.com>
2732             Ian Lance Taylor  <iant@google.com>
2733
2734         * lower-subreg.c: New file.
2735         * rtl.def (CONCATN): Define.
2736         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2737         pass_lower_subreg2.
2738         * emit-rtl.c (update_reg_offset): New static function, broken out
2739         of gen_rtx_REG_offset.
2740         (gen_rtx_REG_offset): Call update_reg_offset.
2741         (gen_reg_rtx_offset): New function.
2742         * regclass.c: Revert patch of 2006-03-05, restoring
2743         reg_scan_update.
2744         (clear_reg_info_regno): New function.
2745         * dwarf2out.c (concatn_loc_descriptor): New static function.
2746         (loc_descriptor): Handle CONCATN.
2747         * common.opt (fsplit_wide_types): New option.
2748         * opts.c (decode_options): Set flag_split_wide_types when
2749         optimizing.
2750         * timevar.def (TV_LOWER_SUBREG): Define.
2751         * rtl.h (gen_reg_rtx_offset): Declare.
2752         (reg_scan_update): Declare.
2753         * regs.h (clear_reg_info_regno): Declare.
2754         * tree-pass.h (pass_lower_subreg): Declare.
2755         (pass_lower_subreg2): Declare.
2756         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2757         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2758         -fsplit-wide-types.
2759         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2760         * Makefile.in (OBJS-common): Add lower-subreg.o.
2761         (lower-subreg.o): New target.
2762
2763 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2764
2765         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2766
2767 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2768
2769         PR target/19087
2770         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2771
2772 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2773
2774         PR middle-end/29335
2775         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2776
2777 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2778
2779         * cfgloop.h: Include vec-prim.h.
2780         (enum li_flags): Remove LI_ONLY_OLD.
2781         (loop_iterator): Changed.
2782         (fel_next, fel_init): Iterate over loop tree.
2783         (FOR_EACH_LOOP_BREAK): New macro.
2784         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2785         FOR_EACH_LOOP.
2786         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2787         * modulo-sched.c (sms_schedule): Ditto.
2788         * tree-vectorizer.c (vectorize_loops): Ditto.
2789         * doc/loop.texi: Update information on loop numbering and behavior of
2790         FOR_EACH_LOOP wrto new loops.
2791         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2792         add_to_evolution_1): Test nestedness of loops instead of comparing
2793         their numbers.
2794         * tree-chrec.c (chrec_fold_plus_poly_poly,
2795         chrec_fold_multiply_poly_poly, chrec_evaluate,
2796         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2797         reset_evolution_in_loop): Ditto.
2798         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2799
2800 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2801
2802         * c-common.c (warn_about_parentheses): Separate warning about
2803         un-parenthized sequence of comparison operators from the one
2804         which is supposed to warn about x <= y <= z.
2805
2806 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2807
2808         * optabs.h (enum optab_index): Add new OTI_isinf.
2809         (isinf_optab): Define corresponding macro.
2810         * optabs.c (init_optabs): Initialize isinf_optab.
2811         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2812         patterns.
2813         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2814         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2815         using isinf_optab.
2816         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2817         expand_builtin_interclass_mathfn.
2818         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2819         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2820         (fxam<mode>2_i387): New insn pattern.
2821         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2822         built-in functions as x87 inline asm.
2823
2824 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2825
2826         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2827
2828 2007-01-30  Eric Christopher  <echristo@apple.com>
2829
2830         * config.gcc: Add geode.
2831
2832 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2833
2834         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2835         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2836         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2837         value-prof.c: Fix comment typos.
2838
2839 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2840
2841         PR c++/24745
2842         * doc/invoke.texi (Wpointer-arith): Document warning.
2843
2844 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2845
2846         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2847         the list of discrepancies from the draft TR.
2848
2849 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2850
2851         PR c++/30601
2852         * doc/invoke.texi (-Wreturn-type): Update description to
2853         match new behavior.
2854
2855 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2856
2857         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2858
2859 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2860
2861         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2862         to handle optabs that operate on floating point input argument and
2863         output to integer output.
2864         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2865         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2866         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2867         expand_builtin_interclass_mathfn ().
2868         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2869         (ilogbsi2): Remove.
2870         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2871         ilogbl built-in functions as x87 intrinsics.
2872
2873 2007-01-30  Richard Guenther  <rguenther@suse.de>
2874
2875         PR middle-end/27657
2876         * dwarf2out.c (reference_to_unused): Query varpool if the
2877         variable was output.
2878
2879 2007-01-30  Richard Guenther  <rguenther@suse.de>
2880
2881         PR middle-end/30313
2882         * passes.c (execute_one_pass): Reset in_gimple_form to not
2883         confuse non-unit-at-a-time mode.
2884
2885 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2886             Richard Guenther  <rguenther@suse.de>
2887
2888         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2889         avoid undefined behaviour on overflow.  Use force_fit_type_double
2890         to construct the constant with the specified TREE_OVERFLOW.
2891
2892 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2893
2894         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2895         * config/dfp-bit.h: Ditto.
2896
2897 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2898
2899         * c-decl.c (pop_scope): Replace warnings with call to
2900         warn_for_unused_label.
2901         * c-common.h (warn_for_unused_label): Declare.
2902         * c-common.c (warn_for_unused_label): Define.
2903
2904 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2905
2906         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2907         function.
2908
2909 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2910
2911         * Makefile.in (USER_H): Remove decfloat.h.
2912         * ginclude/decfloat.h: Delete, moving contents to ...
2913         * ginclude/float.h: Add support for decimal floating point,
2914         guarded by __STDC_WANT_DEC_FP__.
2915
2916 2007-01-29  Mike Stump  <mrs@apple.com>
2917
2918         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2919         Analysis and Representation to resolve case insensitive conflict.
2920         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2921
2922 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2923
2924         * tree.h (struct tree_memory_tag): Add aliases member.
2925         (MTAG_ALIASES): New macro.
2926         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2927         (add_may_alias): Remove pointer-set. Update for may_aliases being
2928         a bitmap.
2929         (mark_aliases_call_clobbered): Update for may_aliases being a
2930         bitmap.
2931         (compute_tag_properties): Ditto.
2932         (create_partition_for): Ditto.
2933         (compute_memory_partitions): Ditto.
2934         (dump_may_aliases_for): Ditto.
2935         (is_aliased_with): Ditto.
2936         (add_may_alias_for_new_tag): Ditto.
2937         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2938         (compute_is_aliased): New function.
2939         (compute_may_aliases): Call compute_is_aliased).
2940         (init_alias_info): Initialize alias_bitmap_obstack.
2941         (union_alias_set_into): New function.
2942         (compute_flow_sensitive_aliasing): Use union_aliases_into.
2943         (have_common_aliases_p): Rewrite to take two bitmaps and use
2944         intersection.
2945         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2946         Update for bitmaps.
2947         (finalize_ref_all_pointers): Update for add_may_alias changes.
2948         (new_type_alias): Ditto.
2949         * tree-flow-inline.h (may_aliases): Return a bitmap.
2950         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2951         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2952         may_aliases being a bitmap.
2953         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2954         may_aliases now returns a bitmap.
2955         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2956         being a bitmap.
2957         * tree-ssa-operands.c (add_virtual_operand): Update for
2958         may_aliases being a bitmap.
2959
2960 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
2961
2962         PR tree-optimization/30630
2963         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2964         variable as changed.
2965
2966 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
2967
2968         PR c++/28266
2969         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2970         expanded only once even if an error occurs.
2971
2972 2007-01-29  Ben Elliston  <bje@au.ibm.com>
2973
2974         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2975         (__gcov_average_profiler): Likewise.
2976         (__gcov_ior_profiler): Likewise.
2977         (__gcov_merge_ior): Likewise.
2978
2979 2007-01-28  Jan Hubicka  <jh@suse.cz>
2980
2981         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2982         * value-prof.c (stringop_block_profile): Likewise.
2983
2984 2007-01-28  Jan Hubicka  <jh@suse.cz>
2985
2986         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2987         variant handling histograms; add wrapper.
2988         (clear_storage_via_libcall): Export.
2989         (emit_block_move_hints): Break out from ...; add histograms.
2990         (emit_block_move): ... this one.
2991         (clear_storage_hints): Break out from ...; add histograms.
2992         (clear_storage): ... this one.
2993         (set_storage_via_memset): Handle histogram.
2994         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2995         (clear_storage_hints, clear_storage_via_libcall): Declare.
2996         (set_storage_via_setmem): Update prototype.
2997         * doc/md.texi (movmem, setmem): Document new arguments.
2998
2999         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3000         new histograms.
3001         (stringop_block_profile): New global function.
3002         (tree_stringops_values_to_profile): Profile block size and alignment.
3003         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3004         HIST_TYPE_IOR.
3005         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3006         (stringop_block_profile): Declare.
3007         * builtins.c: Include value-prof.h.
3008         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3009         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3010         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3011         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3012         * profile.c (instrument_values): Add new counters.
3013         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3014         calls.
3015         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3016         (tree_init_edge_profiler): Build new profilers.
3017         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3018         (pass_tree_profile): Add dump.
3019         (tree_profile_hooks): Update.
3020         * Makefile.in (LIBGCOV): Add new constants.
3021         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3022         __gcov_ior_profiler): New.
3023         * i386.md (movmem/setmem expanders): Add new optional arguments.
3024
3025 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3026
3027         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3028
3029 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3030
3031         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3032         (tree_unswitch_single_loop): Pass eni_size_weights to
3033         tree_num_loop_insns.
3034         * tree-ssa-loop-manip.c: Include tree-inline.h.
3035         (can_unroll_loop_p): Pass eni_size_weights to
3036         tree_num_loop_insns.
3037         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3038         Pass eni_size_weights to estimate_num_insns.
3039         * tree.h (init_inline_once): Export.
3040         * toplev.c (backend_init): Call init_inline_once.
3041         * cgraphunit.c (cgraph_process_new_functions,
3042         cgraph_analyze_function): Pass eni_inlining_weights to
3043         estimate_num_insns.
3044         * ipa-inline.c (compute_inline_parameters): Ditto.
3045         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3046         to estimate_num_insns.
3047         (try_unroll_loop_completely): Pass eni_size_weights to
3048         tree_num_loop_insns.
3049         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3050         ot estimate_num_insns.
3051         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3052         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3053         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3054         eni_time_weights): New variables.
3055         (init_inline_once): Initialize them.
3056         (struct eni_data): Mew.
3057         (estimate_num_insns_1, estimate_num_insns): Use weights.
3058         * tree-inline.h (struct eni_weights_d): New.
3059         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3060         (estimate_num_insns): Declaration changed.
3061         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3062         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3063         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3064
3065 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3066
3067         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3068         relations in the conflict function is valid.
3069
3070 2007-01-27  Ian Lance Taylor  <iant@google.com>
3071
3072         * common.opt: Add fstrict-overflow.
3073         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3074         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3075         (TYPE_OVERFLOW_UNDEFINED): Define.
3076         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3077         Replace all uses.
3078         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3079         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3080         (fold_negate_expr): Likewise.
3081         (make_range): Likewise.
3082         (extract_muldiv_1): Likewise.
3083         (maybe_canonicalize_comparison): Likewise.
3084         (fold_comparison): Likewise.
3085         (fold_binary): Likewise.
3086         (tree_expr_nonnegative_p): Likewise.
3087         (tree_expr_nonzero_p): Likewise.
3088         * tree-vrp.c (compare_values): Likewise.
3089         (extract_range_from_binary_expr): Likewise.
3090         (extract_range_from_unary_expr): Likewise.
3091         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3092         Likewise.
3093         (nowrap_type_p): Likewise.
3094         * tree-scalar-evolution.c (simple_iv): Likewise.
3095         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3096         (build_range_check): Likewise.
3097         (extract_muldiv_1): Likewise.
3098         (fold_comparison): Likewise.
3099         * tree-vrp.c (vrp_int_const_binop): Likewise.
3100         (extract_range_from_unary_expr): Likewise.
3101         * convert.c (convert_to_integer): Likewise.
3102         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3103         (fold_comparison): Likewise.
3104         (fold_binary): Likewise.
3105         * optabs.c (optab_for_tree_code): Likewise.
3106         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3107         * simplify-rtx.c (simplify_const_relational_operation): Check
3108         flag_strict_overflow and flag_trapv.
3109         (simplify_const_relational_operation): Likewise.
3110         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3111         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3112         -fstrict-overflow.
3113
3114 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3115
3116         * tree.c (tree_fold_gcd): Delete.
3117         * tree.h (tree_fold_gcd): Remove prototype.
3118         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3119         test whether one constant integer is a multiple of another.  Instead
3120         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3121         * fold-const.c (multiple_of_p):  We've determined both TOP and
3122         BOTTOM are integer constants so we can call int_const_binop directly
3123         instead of the more generic const_binop.
3124
3125 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3126
3127         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3128         1*X check that the constant hasn't overflowed, to preserve the
3129         TREE_OVERFLOW bit.
3130         (round_up): Provide an efficient implementation when rouding-up an
3131         INTEGER_CST to a power-of-two.
3132
3133 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3134
3135         * doc/sourcebuild.texi: Add comma for clarity.
3136         * doc/extend.texi: Fix some typos.
3137         * doc/passes.texi: Likewise.
3138         * doc/cppinternals.texi: Likewise.
3139         * doc/c-tree.texi: Likewise.
3140         * doc/tree-ssa.texi: Likewise.
3141         * doc/install.texi: Likewise.
3142
3143 2007-01-27  Jan Hubicka  <jh@suse.cz>
3144
3145         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3146         (pass_sra): Do not require alias information.
3147         * passes.c (init_optimization_passes): Add SRA
3148
3149 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3150
3151         * tracer.c (rest_of_handle_tracer): We already cleaned
3152         up the CFG in tracer() so don't do it here again.
3153         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3154         cleanup_cfg here, either.  And don't call renumber_insns.
3155
3156         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3157         and BB_HEAD are in the insn stream here.  Instead make sure
3158         that BB_INSN is valid on all insns.  Also, do check here that
3159         there are no pending branch predictions...
3160         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3161         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3162         here.
3163
3164 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3165
3166         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3167         function to simplify/factorize operand order canonicalization.
3168         (ix86_fixup_binary_operands): Reorganize using the above function.
3169         (ix86_binary_operator_ok): Likewise.
3170
3171 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3172
3173         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3174         file scope from optimize_attrs.
3175         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3176         up search.
3177         (optimize_attrs): Clear insn_code_values after freeing it.
3178
3179 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3180
3181         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3182         a parts.base assignment.
3183
3184 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3185
3186         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3187         (compute_subscript_distance, initialize_data_dependence_relation,
3188         finalize_ddr_dependent, analyze_ziv_subscript,
3189         analyze_siv_subscript_cst_affine,
3190         compute_overlap_steps_for_affine_univar,
3191         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3192         analyze_siv_subscript, analyze_miv_subscript,
3193         analyze_overlapping_iterations, subscript_dependence_tester_1,
3194         compute_self_dependence, free_dependence_relation): Work
3195         with affine_fn instead of chrecs.
3196         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3197         common_affine_function, affine_function_base,
3198         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3199         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3200         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3201         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3202         (all_chrecs_equal_p): Removed.
3203         * tree-data-ref.h (affine_fn, conflict_function): New types.
3204         (struct subscript): Change type of conflicting_iterations_in_a
3205         and conflicting_iterations_in_b.
3206
3207 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3208
3209         PR other/30182
3210         * config/pa/pa.h (TARGET_HPUX_11): New.
3211         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3212         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3213
3214 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3215         Richard Guenther  <rguenther@suse.de>
3216
3217         * tree-ssa-structalias.c (solve_graph): Handle case
3218         we merged the variable to another.
3219
3220 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3221
3222         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3223         functions.
3224
3225         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3226         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3227
3228 2007-01-25  DJ Delorie  <dj@redhat.com>
3229
3230         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3231         allow changes to modes which don't fit in those registers.
3232
3233         * reload1.c (choose_reload_regs): Check for invalid subregs before
3234         computing their locations, not after.
3235
3236 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3237
3238         PR 25127
3239         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3240         save Altivec registers in an eh_return function.
3241         (compute_vrsave_mask): Likewise.
3242         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3243         for saving Altivec registers.
3244         (rs6000_emit_prologue): Don't allocate stack twice in
3245         eh_return function.  Correct expected value of altivec_save_offset
3246         when using save_world.  Describe save of R0 to stack when using
3247         save_world.  Describe stack pointer adjustment when using
3248         save_world.  Remove duplicated eh_return parameter register saving.
3249         Update sp_offset variable after save_world.
3250         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3251         darwin-world.asm.
3252         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3253         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3254         implies Altivec.
3255
3256 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3257
3258         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3259
3260 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3261
3262         PR other/30182
3263         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3264         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3265
3266 2007-01-25  Richard Guenther  <rguenther@suse.de>
3267
3268         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3269         * common.opt (-Wcoverage-mismatch): New warning option.
3270         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3271         if -Wcoverage-mismatch is given.
3272
3273 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3274
3275         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3276         (ipcp_driver): Change to static definition.
3277         Add dumping of the ifunctions.
3278         (constant_val_insert): Remove unused parameter. Support for SSA.
3279         (ipcp_propagate_const): Support for SSA.
3280         (ipcp_profile_bb_print): Print only analyzed nodes.
3281         (ipcp_replace_map_create): Remove support for Fortran constant
3282         for now.
3283         * ipa-prop.c (ipa_method_modify_stmt,
3284         ipa_callsite_compute_param): Support for SSA.
3285         * ipa-prop.h (ipcp_driver): Remove declaration.
3286         (IS_VALID_TREE_MAP_INDEX): Add define.
3287
3288 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3289
3290         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3291
3292 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3293
3294         PR middle-end/30447
3295         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3296         constant argument to cabs and do it without checking for
3297         -funsafe-math-optimizations.
3298
3299 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3300
3301         * c-common.h (RID_FIRST_CXX0X): New.
3302         (RID_LAST_CXX0X): New.
3303         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3304         by -Wall.
3305         * c.opt (Wc++0x-compat): New.
3306         * doc/invoke.texi (-Wc++0x-compat): Document.
3307
3308 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3309
3310         * builtins.c (fold_builtin_carg): New.
3311         (fold_builtin_1): Use it.
3312
3313 2007-01-24  Jan Hubicka  <jh@suse.cz>
3314
3315         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3316
3317         * ipa-inline.c (initial_insns, max_insns): Delete.
3318         (compute_max_insns): New function.
3319         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3320         of insns as base for code growth.
3321         (cgraph_decide_inlining): Make initial_insns local; do not compute
3322         max_insns.
3323         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3324         * doc/invoke.texi (inline-unit-growth): Update docs.
3325
3326 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3327
3328         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3329         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3330         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3331         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3332         for CPUs that have PTA_CX16 set.
3333
3334         PR middle-end/27416
3335         * gimplify.c (omp_check_private): New function.
3336         (gimplify_scan_omp_clauses): Use it for
3337         firstprivate/lastprivate/reduction.
3338
3339         PR middle-end/30494
3340         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3341         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3342
3343         PR middle-end/30421
3344         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3345         If lower_lastprivate_clauses emits some statements, append them
3346         to dlist rather than body_p and to body_p append an initializer.
3347         (lower_omp_for): Adjust caller.
3348
3349 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3350
3351         * target.h (globalize_decl_name): New.
3352         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3353         * output.h (default_globalize_decl_name): New.
3354         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3355         globalize_label.
3356         (globalize_decl): Ditto.
3357         (default_globalize_decl_name): New.
3358         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3359         (ia64_handle_version_id_attribute): New.
3360         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3361         (ia64_asm_output_external): Use globalize_decl_name instead
3362         of globalize_label.
3363         * doc/extend.texi (version_id): New pragma.
3364         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3365
3366 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3367
3368         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3369         _uleb128_t and _Unwind_SWord with _sleb128_t.
3370         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3371         uw_frame_state_for, uw_update_context_1): Likewise.
3372         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3373         * unwind-pe.h (read_uleb128, read_sleb128,
3374         read_encoded_value_with_base): Likewise.
3375         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3376
3377 2007-01-24  Richard Guenther  <rguenther@suse.de>
3378
3379         * builtins.c (expand_builtin_cexpi): Get the fndecl
3380         for cexp in the correct way.
3381
3382 2007-01-24  Jan Hubicka  <jh@suse.cz>
3383
3384         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3385
3386 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3387
3388         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3389         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3390         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3391         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3392         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3393         __SIZEOF_PTRDIFF_T__.
3394         * doc/cpp.texi: Documentation for the new builtin macros added.
3395
3396 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3399         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3400         instead of operands[2] to avoid access past the end of array.
3401
3402 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3403
3404         * reload1.c (emit_reload_insns): Pass the reload register
3405         for a non-spill output reload through forget_old_reloads_1.
3406
3407 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3408
3409         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3410         _SOFT_DOUBLE if doubles use software floating-point.
3411         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3412         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3413         * config/rs6000/darwin-ldouble.c: Also compile functions for
3414         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3415         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3416         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3417         commented-out long double override.
3418         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3419         * config/rs6000/eabispe.h: Likewise.
3420         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3421         long double for non-SPE.
3422         (rs6000_handle_option): Likewise.
3423         (invalid_e500_subreg): Disallow more subregs involding DImode,
3424         DFmode, TImode or TFmode.
3425         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3426         E500 double.
3427         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3428         double.
3429         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3430         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3431         double.
3432         (rs6000_legitimate_address): Also check for TFmode for E500
3433         double.
3434         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3435         (spe_build_register_parallel): Handle TFmode and TCmode.
3436         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3437         double.
3438         (function_arg): Handle TFmode and TCmode for E500 double.
3439         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3440         in general.
3441         (print_operand): Handle TFmode and TImode for %y.
3442         (rs6000_generate_compare): Handle TFmode comparisons for E500
3443         double.
3444         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3445         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3446         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3447         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3448         TFmode for E500 double.
3449         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3450         (floatsidf2): Enable for E500 double.
3451         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3452         (extenddftf2): Change to extenddftf2_fprs.
3453         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3454         depending on TARGET_E500_DOUBLE.
3455         (extendsftf2): Enable for E500 double.
3456         (trunctfdf2): Enable for E500 double.
3457         (trunctfsf2): Change to trunctfsf2_fprs.
3458         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3459         depending on TARGET_E500_DOUBLE.
3460         (floatsitf2): Enable for E500 double.
3461         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3462         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3463         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3464         (negtf2): Change to negtf2_internal.
3465         (negtf2): New expander.
3466         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3467         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3468         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3469         (movdi_internal32): Use rs6000_nonimmediate_operand.
3470         (unnamed splitter): Likewise.
3471         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3472         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3473         (SPE64TF, DITI): New mode macros.
3474         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3475         modes.
3476         (frob_tf_ti): New.
3477         (frob_<mode>_di_2): New.
3478         (frob_tf_di_8_2): New.
3479         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3480         (frob_ti_tf): New.
3481         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3482         more modes.
3483         (frob_ti_<mode>_8_2): New.
3484         (frob_ti_tf_2): New.
3485         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3486         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3487         TFmode.
3488         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3489         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3490         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3491         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3492         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3493         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3494         tsttflt_gp): New.
3495
3496 2007-01-23  Ian Lance Taylor  <iant@google.com>
3497
3498         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3499         insn-*.o first.
3500         (OBJS-archive): Reformat, alphabetize.
3501         (OBJS): Change out_object_file to OBJS-md.
3502
3503 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3504
3505         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3506         JUMP_P and CALL_P predicates where applicable.
3507         * config/i386/i386.c: Ditto.
3508         * config/i386/i386.md: Ditto.
3509         * config/i386/mmx.md: Ditto.
3510         * config/i386/predicates.md: Ditto.
3511
3512 2007-01-22  Andreas Schwab  <schwab@suse.de>
3513
3514         * config/m68k/m68k.h: Fix comment.
3515
3516 2007-01-22  Jan Hubicka  <jh@suse.cz>
3517
3518         * passes.c (init_optimization_passes): Do not rerun
3519         pass_early_warn_uninitialized.
3520
3521 2007-01-22  Richard Guenther  <rguenther@suse.de>
3522
3523         PR tree-optimization/30038
3524         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3525         function.
3526         (execute_cse_sincos_1): Likewise.
3527         (execute_cse_sincos): Likewise.
3528         (gate_cse_sincos): Likewise.
3529         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3530         the cexpi() canonicalization of sincos().
3531         * tree-pass.h (pass_cse_sincos): Declare.
3532         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3533
3534 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3535
3536         PR rtl-optimization/29329
3537         * combine.c (replaced_rhs_insn): Rename to i2mod.
3538         (replaced_rhs_value): Rename to i2mod_new_rhs.
3539         (i2mod_old_rhs): New global variable.
3540         (combine_instructions): Adjust for above change.  Save a copy of
3541         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3542         note are substituted in the second instruction.
3543         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3544         ditch the note if it pertains to the second eliminated register
3545         and this register is mentioned in i2mod_old_rhs.
3546
3547         Revert:
3548         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3549
3550         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3551         the insn to which the note was originally attached.
3552
3553 2007-01-21  Jan Hubicka  <jh@suse.cz>
3554
3555         * ipa-inline.c (inlining_mode): Comment, move up.
3556         (cgraph_decide_inlining_incrementally): Do not perform inlining
3557         itself; fix handling of flattening of self recursive functions.
3558         (cgraph_find_cycles): Remove.
3559         (cgraph_flatten_node): Remove.
3560         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3561         (try_inline): New function.
3562         (cgraph_early_inlining): Update call of
3563         cgraph_decide_inlining_incrementally.  Apply inlining here.
3564         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3565
3566 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3567
3568         PR bootstrap/30511
3569         * tree-vrp.c (check_array_bounds): do not warn
3570         about ADDR_EXPR's of ARRAY_REF's which are immediately
3571         used in binary expressions.
3572
3573 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3574
3575         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3576         read_write_dep and macros for its access.
3577         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3578         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3579         argument, call vect_check_interleaving for every independent pair of
3580         data-refs. Mark loads that access the same memory location as a store
3581         in the loop.
3582         (vect_check_dependences): Remove.
3583         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3584         call, fix the call to vect_analyze_data_ref_dependence.
3585         (vect_analyze_data_ref_access): For statements that access the same
3586         data-ref, check that they are not stores; for loads, check that there
3587         is no store that access the same location.
3588
3589 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3590             Joseph Myers  <joseph@codesourcery.com>
3591
3592         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3593         (-fdump-rtl-stack): Likewise.
3594         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3595         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3596         (-mpt-fixed): Use @minus{} for minus sign.
3597         (Using Precompiled Headers): Fix under/overfull hbox.
3598
3599 2007-01-20  Jan Hubicka  <jh@suse.cz>
3600
3601         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3602         place within annotation.
3603
3604 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3605
3606         * pa.c (output_move_double): Change array size of xoperands to 4.
3607
3608 2007-01-20  Jan Hubicka  <jh@suse.cz>
3609
3610         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3611         as temporary.
3612
3613 2007-01-19  Ian Lance Taylor  <iant@google.com>
3614
3615         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3616         constant to unsigned HOST_WIDE_INT before negating.
3617
3618 2007-01-19  Ian Lance Taylor  <iant@google.com>
3619
3620         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3621         to unsigned.
3622         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3623         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3624         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3625         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3626         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3627         (realloc_vdef, realloc_vuse): Change second parameter to
3628         unsigned.
3629         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3630         fields to unsigned.
3631         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3632         unsigned. Change x and lim locals to unsigned.
3633         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3634         unsigned.
3635         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3636         (copy_virtual_operands): Change i and n locals to unsigned.
3637
3638 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3639
3640         PR middle-end/29335
3641         * builtins.c (fold_builtin_1): Handle builtin fdim.
3642
3643 2007-01-20  Jan Hubicka  <jh@suse.cz>
3644
3645         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3646         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3647         init_alias_heapvars.
3648         (init_alias_heapvars): Initialize only when not already initialized.
3649         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3650
3651 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3652
3653         * common.opt (fsigned-zeros): New command line option.
3654         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3655         of flag_unsafe_math_optimizations.
3656         * opts.c (set_fast_math_flags): The -ffast-math command line option
3657         implies -fno-signed-zeros.
3658         (fast_math_flags_set_p): Likewise.
3659
3660         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3661         the documentation of -ffast-math appropriately.  Wrap long lines.
3662
3663 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3664
3665         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3666         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3667
3668 2007-01-19  Tomas Bily  <tbily@suse.cz>
3669
3670         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3671         * tree-profile.c:
3672         (tree_init_ic_make_global_vars): New function
3673         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3674         (tree_gen_ic_profiler): New function
3675         (tree_gen_ic_func_profiler): New function
3676         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3677         (tree_profile_hooks): Added hook for indirec/virtual calls
3678         * value-prof.c (tree_find_values_to_profile): New case for
3679         indirect calls
3680         (tree_values_to_profile): Call for determining indirect/virtual
3681         counters
3682         (tree_indirect_call_to_profile): New function
3683         (tree_ic_transform): New function
3684         (tree_ic): New function
3685         (find_func_by_pid): New function
3686         (init_pid_map): New function
3687         (tree_value_profile_transformations): Added check for
3688         indirect/virtual call transformation
3689         * value-prof.h (enum hist_type): New counter type for
3690         indirect/virtual calls
3691         (profile_hooks): Added new hook for profiling indirect/virtual
3692         calls
3693         * profile.c (instrument_values): New case for indirect/virtual
3694         call added
3695         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3696         (GCOV_COUNTER_V_INDIR): New counter type
3697         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3698         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3699         call added
3700         * cgraph.c: Definition of cgraph_max_pid
3701         (cgraph_create_node): Default init of pid attribute
3702         * cgraph.h: Declaration of cgraph_max_pid
3703         (struct cgraph_node): Added pid attribute
3704         * libgcov.c (__gcov_indirect_call_profiler): New function
3705         (__gcov_one_value_profiler_body): New function
3706         (__gcov_one_value_profiler): Body was moved to
3707         __gcov_one_value_profiler_body and calls it
3708
3709 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3710
3711         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3712         * gengtype.c (write_types_data, write_func_for_structure,
3713         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3714         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3715         (walk_type, write_func_for_structure): Generate the mark_hook if
3716         needed.
3717
3718 2007-01-19  Jan Hubicka  <jh@suse.cz>
3719
3720         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3721         'early' argument take inlining mode argument specifying whether to
3722         inline for size/speeed or all functions; add support for flattening;
3723         improve dumpting.
3724         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3725
3726 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3727
3728         PR c++/17947
3729         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3730         the name of the declared identifier.
3731
3732 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3733
3734         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3735         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3736         duplicate evaluation.
3737
3738 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3739
3740         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3741         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3742         to XFMode, use acosxf2 and truncate result to requested mode.
3743         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3744         (asin<mode>2): Similarly, with asin expanders.
3745         (*fscalexf4_i387): Rename from *fscalexf4.
3746         (expNcorexf3): New expander.
3747         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3748         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3749         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3750         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3751         patterns for SSE math.
3752         (exp10<mode>2): Similarly, with exp10 expanders.
3753         (exp2<mode>2): Similarly, with exp2 expanders.
3754         (expm1<mode>2): Similarly, with expm1 expanders.
3755         (ldexp<mode>3): Similarly, with ldexp expanders.
3756         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3757         Use gen_truncxf<mode>2_i387_noop to truncate result.
3758
3759 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3760
3761         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3762         for ColdFire targets.
3763
3764 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3765             Richard Sandiford  <richard@codesourcery.com>
3766
3767         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3768         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3769         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3770         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3771         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3772         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3773
3774 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3775
3776         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3777         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3778         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3779         (*adddi_dilshr32_cf): New pattern.
3780         (adddi3, subdi3): Remove first alternatives.
3781
3782 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3783
3784         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3785         implemented using move.l, do not use its cc result for floating-point
3786         comparisons.
3787
3788 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3789
3790         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3791         from accepting 's' constraints if flag_pic.
3792
3793 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3794
3795         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3796         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3797         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3798         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3799
3800 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3801
3802         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3803         ColdFire alternatives.
3804         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3805         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3806         architectures that support ff1 instruction.
3807
3808 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3809             Julian Brown  <julian@codesourcery.com>
3810
3811         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3812         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3813         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3814         Add commentary.
3815
3816 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3817
3818         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3819         and return a bool.
3820         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3821         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3822         HOST_WIDE_INT instead of an rtx.
3823         (m68k_rtx_costs): Update call accordingly.
3824         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3825         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3826         Return a bool.
3827         (output_move_simode_const): Update calls after above changes.
3828         Rework to use automatic variables and predicates like MEM_P.
3829         * config/m68k/m68k.md (pushexthisi_const): Update call to
3830         valid_mov3q_const.
3831
3832 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3833
3834         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3835         in dump_flags test.
3836
3837 2007-01-19  Richard Guenther  <rguenther@suse.de>
3838
3839         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3840         via cexp in case sincos is not available.
3841
3842 2007-01-19  Richard Guenther  <rguenther@suse.de>
3843
3844         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3845         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3846         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3847         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3848         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3849         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3850         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3851         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3852
3853 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3854
3855         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3856         New insn patterns.
3857         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3858         (atan2xf3): Directly generate RTL pattern.
3859         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3860         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3861         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3862         disable patterns for SSE math.
3863         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3864         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3865         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3866         disable patterns for SSE math.
3867
3868 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3869
3870         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3871
3872 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3873
3874         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3875         VIEW_CONVERT_EXPR to the same type as it's operand.
3876
3877 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3878
3879         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3880         configured for long double 128.
3881
3882 2007-01-18  Mike Stump  <mrs@apple.com>
3883
3884         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3885         error.
3886
3887 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3888
3889         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3890         type correct.
3891
3892 2007-01-18  Jan Hubicka  <jh@suse.cz>
3893
3894         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3895         greater than NUM_VOP_FREE_BUCKETS.
3896
3897 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3898
3899         * tree-ssa-structalias.c: Update comments.
3900         (ptabitmap_obstack): Removed.
3901         (pta_obstack): New.
3902         (oldpta_obstack): Ditto.
3903         (stats): Add a few members.
3904         (struct variable_info): Remove node, complex, address_taken, and
3905         indirect_target members. Add oldsolution member.
3906         (new_var_info): Do not initialize removed members.
3907         (constraint_expr_type): Remove INCLUDES.
3908         (constraint_graph): Add size, implicit_preds, rep,
3909         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3910         (FIRST_REF_NODE): New macro.
3911         (LAST_REF_NODE): Ditto.
3912         (FIRST_ADDR_NODE): Ditto.
3913         (find): New function.
3914         (unite): Ditto.
3915         (dump_constraint): Do not handle INCLUDES.
3916         (insert_into_complex): Do not insert duplicate constraints.
3917         (condense_varmap_nodes): Renamed and rewritten into ...
3918         (merge_node_constraints): This. Also fix bug in handling of
3919         offseted copy constraints.
3920         (clear_edges_for_node): No longer need to deal with preds at all,
3921         or removing associated preds/succs.
3922         (merge_graph_nodes): Deal with indirect_cycles.
3923         Don't deal with predecessors.
3924         (add_implicit_graph_edge): New function.
3925         (add_pred_graph_edge): Ditto.
3926         (add_graph_edge): Don't deal with predecessors.
3927         (build_constraint_graph): Removed.
3928         (build_pred_graph): New function.
3929         (build_succ_graph): Ditto.
3930         (struct scc_info): Removed in_component. Added roots, dfs, and
3931         node_mapping. Remove visited_index, unification_queue.
3932         (scc_visit): Deal with union-find we do now.
3933         Deal with cycles with REF nodes.
3934         (collapse_nodes): Renamed and rewritten to ...
3935         (unify_nodes): This.
3936         (process_unification_queue): Removed.
3937         (topo_visit): Cleanup
3938         (do_da_constraint): Use find.
3939         (do_sd_constraint): Ditto.
3940         (do_ds_constraint): Ditto.
3941         (do_complex_constraint): Ditto.
3942         (init_scc_info): Update for removed and added members.
3943         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3944         (find_indirect_cycles): This.
3945         (equivalence_class): New variable.
3946         (label_visit): New function.
3947         (perform_variable_substitution): Rewritten.
3948         (free_var_substitution_info): New function.
3949         (find_equivalent_node): Ditto.
3950         (move_complex_constraints): Ditto.
3951         (eliminate_indirect_cycles): Ditto.
3952         (solve_graph): Only propagate changed bits.
3953         Use indirect cycle elimination.
3954         Use find.
3955         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3956         (tree_id_eq): Renamed to ...
3957         (tree_vi_eq): This. Update for member change
3958         (insert_id_for_tree): Renamed and rewritten to ...
3959         (insert_vi_for_tree): This.
3960         (lookup_id_for_tree): Renamed and rewritten to ...
3961         (lookup_vi_for_tree): This.
3962         (get_id_for_tree): Renamed and rewritten to ...
3963         (get_vi_for_tree): Ditto.
3964         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3965         (process_constraint): Don't handle INCLUDES.
3966         Remove special ADDRESSOF case.
3967         (find_func_aliases): Rewrite to use vi functions instead of id
3968         ones.
3969         (create_function_info_for): Ditto.
3970         (create_variable_info_for): Ditto.
3971         (intra_create_variable_infos): Ditto.
3972         (merge_smts_into): Ditto.
3973         (find_what_p_points_to): Ditto.
3974         (init_base_vars): Ditto.
3975         (init_alias_vars): Ditto.
3976         (remove_preds_and_fake_succs): New function.
3977         (dump_sa_points_to_info): Dump new stats.
3978         (dump_solution_for_var): Use find.
3979         (set_used_smts): Fix formatting.
3980         (compute_points_to_sets): Updated for new functions.
3981         (ipa_pta_execute): Ditto.
3982
3983 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3984             Richard Sandiford  <richard@codesourcery.com>
3985
3986         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3987         parallels.
3988         * calls.c (expand_call): If the return value is a PARALLEL,
3989         extract its first member.
3990         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3991         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3992         use FUNCTION_EXTRA_EPILOGUE.
3993         (m68k_function_value): Return a PARALLEL if the return value
3994         is of a pointer type.
3995         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3996         (FUNCTION_EXTRA_EPILOGUE): Remove.
3997         * config/m68k/m68k.md (D0_REG): New constant.
3998
3999 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4000
4001         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4002         output a NOP for empty epilogues.
4003
4004 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4005
4006         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4007         before function.  Extend register save check to include all
4008         registers, not just integer ones.
4009
4010 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4011
4012         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4013         (m68k_use_return_insn): ...this.
4014         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4015         * config/m68k/m68k.c (use_return_insn): Rename to...
4016         (m68k_use_return_insn): ...this.
4017         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4018         of USE_RETURN_INSN.
4019
4020 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4021
4022         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4023         nearest even, fix denormal rounding overflow.
4024
4025 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4026
4027         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4028         f%$smove and f%$move.
4029         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4030         (extendsfdf2_cf): Use fdmove instead of f%&move.
4031         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4032         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4033
4034 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4035
4036         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4037         GPR<-GPR moves.
4038
4039 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4040
4041         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4042         (coldfire_single_format): Declare.
4043         (coldfire_double_format): Likewise.
4044         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4045         of qnan_msb_set to determine the lower bits of a canonical
4046         NaN significand.
4047         (encode_ieee_double): Likewise.
4048         (encode_ieee_quad): Likewise.
4049         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4050         (mips_single_format): Likewise.
4051         (ieee_double_format): Likewise.
4052         (mips_double_format): Likewise.
4053         (ieee_extended_motorola_format): Likewise.
4054         (ieee_extended_intel_96_format): Likewise.
4055         (ieee_extended_intel_128_format): Likewise.
4056         (ieee_extended_intel_96_round_53_format): Likewise.
4057         (ibm_extended_format): Likewise.
4058         (mips_extended_format): Likewise.
4059         (ieee_quad_format): Likewise.
4060         (mips_quad_format): Likewise.
4061         (vax_f_format): Likewise.
4062         (vax_d_format): Likewise.
4063         (vax_g_format): Likewise.
4064         (i370_single_format): Likewise.
4065         (i370_double_format): Likewise.
4066         (decimal_single_format): Likewise.
4067         (decimal_double_format): Likewise.
4068         (decimal_quad_format): Likewise.
4069         (c4x_single_format): Likewise.
4070         (c4x_extended_format): Likewise.
4071         (real_internal_format): Likewise.
4072         (coldfire_single_format): New real_format.
4073         (coldfire_double_format): Likewise.
4074         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4075         canonical_nan_lsbs_set.
4076         (pdp11_d_format): Likewise.
4077         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4078         if TARGET_COLDFIRE_CPU.
4079
4080 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4081
4082         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4083         (output_call, m68k_legitimize_call_address): Declare.
4084         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4085         parenthesees.  Add support for a 'W' constraint.
4086         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4087         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4088         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4089         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4090         variables.
4091         (override_options): Initialize them.  Do not set flag_no_function_cse
4092         for TARGET_ID_SHARED_LIBRARY.
4093         (m68k_output_pic_call): Delete.
4094         (m68k_legitimize_call_address): New function.
4095         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4096         (output_call): New function.
4097         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4098         target address from the GOT if symbolic jumps are not allowed.
4099         * config/m68k/m68k.md (call, general_operand): Do not set
4100         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4101         Merge separate flag_pic and !flag_pic define_insns into...
4102         (*call, *call_value): ...these new patterns.  Match the address
4103         rather than the containing MEM and require it to be a call_operand.
4104         Use output_call to generate the asm template.
4105         * config/m68k/predicates.md (const_call_operand): New predicate.
4106         (call_operand): Likewise.
4107
4108 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4109
4110         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4111         (STACK_GROWS_DOWNWARD): Define to 1.
4112         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4113         comments, emphasizing that these values are only defaults.
4114         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4115         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4116
4117 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4118
4119         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4120
4121 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4122             Richard Sandiford  <richard@codesourcery.com>
4123
4124         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4125         (FP_REGNO_P): New macros.
4126         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4127         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4128         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4129         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4130
4131 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4132
4133         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4134         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4135         to $tmake_file.
4136         * config/m68k/t-floatlib: New file, extracting common code from...
4137         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4138         * config/m68k/t-uclinux: Here.
4139         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4140         routines on ColdFire targets.
4141
4142 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4143
4144         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4145         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4146         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4147         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4148         explicitly set MOTOROLA to 1.
4149         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4150
4151 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4152             Nathan Sidwell  <nathan@codesourcery.com>
4153
4154         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4155         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4156         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4157         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4158         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4159         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4160         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4161         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4162         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4163         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4164         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4165         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4166         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4167         (DBX_REGISTER_NUMBER): Delete.
4168         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4169         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4170         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4171
4172 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4173
4174         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4175         * config/flat.h: New file.
4176         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4177         OBJECT_FORMAT_FLAT.
4178         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4179         indirect references for -msep-data or -mid-shared-library.
4180         Do not use PC-relative code addresses either.
4181         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4182         to -mpcrel.
4183         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4184         for shared libraries and crt1.o for executables.  Use crti.o and
4185         crtbegin.o.
4186         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4187         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4188         Do not add -elf2flt or -shared-lib-id options here.
4189         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4190         Pass -shared-lib-id if -mid-shared-library, taking the library
4191         identifier from -mshared-library-id if given, otherwise
4192         defaulting to 0.
4193         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4194         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4195         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4196         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4197         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4198         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4199         and crtend.o.
4200         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4201         jump sequence for ISA A and ISA A+.
4202         (PICJUMP): Likewise.
4203
4204 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4205
4206         * config.gcc (m68k-*-uclinux*): Base the port on the common
4207         and m68k GNU/Linux files rather than on the generic ELF ones.
4208         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4209         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4210
4211 2007-01-18  Julian Brown  <julian@codesourcery.com>
4212             Richard Sandiford  <richard@codesourcery.com>
4213
4214         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4215         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4216         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4217         before redefining.
4218         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4219         80 unconditionally.
4220         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4221
4222 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4223
4224         * doc/install.texi: Document m68k-uclinuxoldabi.
4225         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4226         * config/m68k/uclinux-oldabi.h: New file, copied from
4227         config/m68k/uclinux.h.
4228
4229 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4230
4231         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4232         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4233         (m32r_compute_frame_size): Use unsigned for regno.
4234         (m32r_reload_lr): Use gen_frame_mem.
4235         (pop): New.
4236         (m32r_output_function_epilogue): Don't output the function epilogue
4237         textually here.
4238         (m32r_expand_epilogue): New.
4239         (direct_return): Return false if the function has the interrupt
4240         attribute.
4241         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4242         * config/m32r/m32r.md (epilogue): New expander.
4243         (return_lr, return_rte): New insns.
4244         (return): Make it expander.
4245         (return_normal): New expander.
4246
4247 2007-01-18  Josh Conner  <jconner@apple.com>
4248
4249         PR target/30485
4250         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4251         support for UNLE, UNLT, UNGE, and UNGT.
4252
4253 2007-01-18  Jan Hubicka  <jh@suse.cz>
4254
4255         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4256         * tree-tailcall (add_virtual_phis): Likewise.
4257         (optimize_tail_call): Return TODOs.
4258         (execute_tail_calls): Return TODOs.
4259         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4260         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4261         changed.
4262         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4263         Cleanup cfg using TODO.
4264         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4265         * passes.c (execute_function_todo): When cleanup did something, remove
4266         unused locals.
4267         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4268         (make_edges): Don't cleanup_cfg.
4269
4270 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4271
4272         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4273         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4274         operate on the top of stack.
4275         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4276         register handling of instructions that output to the second
4277         stack slot.
4278         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4279         (move_for_stack_reg): Special-case check for dead destination
4280         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4281
4282         * config/i386/i386.md (UNSPEC_TAN): New constant.
4283         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4284         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4285         to correctly model move of constant 1.0 to top stack slot.
4286         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4287         (unnamed peephole2 pattern): Remove corresponding peephole2
4288         pattern that optimizes tan insn and loading of constant 1.0.
4289         (tanxf2): Use fptanxf4_i387.
4290         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4291         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4292         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4293         disable patterns for SSE math.
4294         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4295         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4296
4297 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4298             Richard Guenther <rguenther@suse.de>
4299
4300         PR diagnostic/8268
4301         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4302         * common.opt (Warray-bounds): Add new warning option.
4303         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4304         if -Wall is given.
4305         * Makefile.in: make tree-vrp.o depend on toplev.h
4306         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4307         is enabled.
4308         (check_array_refs, check_array_bounds, check_array_ref): New.
4309
4310 2007-01-18  Jan Hubicka  <jh@suse.cz>
4311
4312         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4313         (execute_ssa_ccp): Return flags conditionally.
4314         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4315         changed.
4316         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4317
4318 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4319
4320         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4321         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4322
4323         * Makefile.c (GTFILES): Add cfglayout.h.
4324         * gengtype.c (open_base_files): Likewise.
4325         * cfglayout.c (cfg_layout_function_footer,
4326         cfg_layout_function_header) Reindent to make gengtype happy.
4327         * cfglayout.h (cfg_layout_function_footer,
4328         cfg_layout_function_header): Add GTY(()) marker.
4329
4330         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4331
4332 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4333
4334         * genautomata.c (write_automata): Include xstrerror output in the
4335         error message if writing the DFA description file fails.
4336
4337 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4338
4339         * config/mips/mips-protos.h (mips_output_external): Make it
4340         return void.
4341         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4342         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4343         (extern_list): Likewise.
4344         (extern_head): Likewise.
4345         (TARGET_ASM_FILE_END): Likewise.
4346         (mips_file_end): Likewise.
4347         (mips_output_external): Rewritten.
4348
4349 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4350
4351         * genpreds.c (write_insn_preds_c): Only write out the function
4352         body for regclass_for_constraint if we have register constraints.
4353
4354 2007-01-17  Tom Tromey  <tromey@redhat.com>
4355
4356         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4357         * doc/install.texi (Testing): Use sourceware.org.
4358         (Binaries): Likewise.
4359         (Specific): Likewise.
4360         * doc/contrib.texi (Contributors): Use sourceware.org.
4361
4362 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4363
4364         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4365         (AVR_ENHANCED): Rename to ...
4366         (AVR_HAVE_MUL): ... new.
4367         (avr_enhanced_p): Rename to ...
4368         (avr_have_mul_p): ... new.
4369         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4370         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4371         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4372         (avr_have_mul_p): ... new.
4373         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4374         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4375         'avr_enhanced_p' and 'enhanced'.
4376         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4377         AVR_HAVE_MUL instead of AVR_ENHANCED.
4378         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4379         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4380         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4381         instead of AVR_ENHANCED.
4382         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4383         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4384         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4385
4386 2007-01-17  Ian Lance Taylor  <iant@google.com>
4387
4388         * vec.h (VEC_reserve_exact): Define.
4389         (vec_gc_p_reserve_exact): Declare.
4390         (vec_gc_o_reserve_exact): Declare.
4391         (vec_heap_p_reserve_exact): Declare.
4392         (vec_heap_o_reserve_exact): Declare.
4393         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4394         versions.
4395         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4396         negative parameter.
4397         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4398         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4399         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4400         * vec.c (calculate_allocation): Add exact parameter.  Change all
4401         callers.
4402         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4403         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4404         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4405         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4406         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4407         (vec_heap_p_reserve_exact): New function.
4408         (vec_heap_o_reserve_exact): New function.
4409
4410 2007-01-17  Jan Hubicka  <jh@suse.cz>
4411
4412         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4413
4414 2007-01-17  Eric Christopher  <echristo@apple.com>
4415
4416         * config.gcc: Support core2 processor.
4417
4418 2007-01-16  Jan Hubicka  <jh@suse.cz>
4419
4420         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4421         the names, just unlink the chain so we don't crash on dangling pointers
4422         to dead SSA names.
4423
4424 2007-01-16  Jan Hubicka  <jh@suse.cz>
4425
4426         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4427         * tree-pass.h: Reorder to make IPA passes appear toegher.
4428         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4429         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4430         parameters, do not call early inliner.
4431         * ipa-inline.c: Update comments.  Include tree-flow.h
4432         (cgraph_decide_inlining): Do not compute inlining parameters.
4433         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4434         be called with function context set up.
4435         (pass_ipa_inline): Remove unreachable functions before pass.
4436         (cgraph_early_inlining): Simplify assuming to be called from the
4437         PM as local pass.
4438         (pass_early_inline): New pass.
4439         (cgraph_gate_ipa_early_inlining): New gate.
4440         (pass_ipa_early_inline): Turn into simple wrapper.
4441         (compute_inline_parameters): New function.
4442         (gate_inline_passes): New gate.
4443         (pass_inline_parameters): New pass.
4444         (apply_inline): Move here from tree-optimize.c
4445         (pass_apply_inline): New pass.
4446         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4447         transforming.
4448         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4449         doing them by hand.
4450         (tree_function_versioning): Do not allocate dummy struct function.
4451         * tree-inline.h (optimize_inline_calls): Update prototype.
4452         * tree-optimize.c (execute_fixup_cfg): Export.
4453         (pass_fixup_cfg): Remove
4454         (tree_rest_of_compilation): Do not apply inlines.
4455         * tree-flow.h (execute_fixup_cfg): Declare.
4456         * Makefile.in (gt-passes.c): New.
4457         * passes.c: Include gt-passes.h
4458         (init_optimization_passes): New passes.
4459         (nnodes, order): New static vars.
4460         (do_per_function_toporder): New function.
4461         (execute_one_pass): Dump current pass here.
4462         (execute_ipa_pass_list): Don't dump current pass here.
4463
4464 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4465
4466         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4467         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4468
4469 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4470
4471         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4472         (strong_alias): Define.
4473         (__gcc_qmul): Provide non-FMA for soft-float.
4474         (__gcc_qdiv): Same.
4475         (__gcc_qneg): New.
4476         (__gcc_qeq): New.
4477         (__gcc_qle): New.
4478         (__gcc_qge): New.
4479         (__gcc_qunord): New.
4480         (__gcc_stoq): New.
4481         (__gcc_dtoq): New.
4482         (__gcc_qtos): New.
4483         (__gcc_qtod): New.
4484         (__gcc_qtoi): New.
4485         (__gcc_qtou): New.
4486         (__gcc_itoq): New.
4487         (__gcc_utoq): New.
4488         (fmsub): New.
4489         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4490         soft-float functions.
4491         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4492         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4493         about long double soft float.
4494
4495 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4496             Tehila Meyzels  <tehila@il.ibm.com>
4497
4498         * tree-vectorizer.h (is_pattern_stmt_p): New.
4499         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4500         formatting (tabs instead of spaces). Cleanup and clarify setting
4501         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4502         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4503         (vectorizable_type_demotion): Check that types are integral.
4504         (vectorizable_type_promotion): Likewise.
4505         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4506         comments.
4507
4508 2007-01-16  Jan Hubicka  <jh@suse.cz>
4509
4510         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4511         cgraph edges too.
4512
4513 2007-01-15  Eric Christopher  <echristo@apple.com>
4514
4515         * ifcvt.c: Include vec.h, vecprim.h.
4516         (check_cond_move_block): New argument regs.
4517         Reorganize. Add registers used to regs.
4518         (cond_move_process_if_block): Use regs set above as
4519         loop bounds.
4520
4521 2007-01-15  Eric Christopher  <echristo@apple.com>
4522
4523         * config/darwin.h: Update copyright.
4524         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4525         (LINK_COMMAND_SPEC): Add -u.
4526         (LINK_SPEC): Fix umbrella for above.
4527
4528 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4529
4530         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4531         glibc CVS.
4532
4533 2007-01-15  Tom Tromey  <tromey@redhat.com>
4534
4535         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4536         * doc/install.texi (Testing): Don't mention jacks.
4537         (Configuration): Document --enable-java-maintainer-mode.  Move
4538         --with-java-home to libgcj-specific section.  Document
4539         --with-ecj-jar.
4540         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4541
4542 2007-01-15  Jan Hubicka  <jh@suse.cz>
4543
4544         * tree-ssa-dce.c (DCE_TODOs): New.
4545         (propagate_necessity): Return if something changed.
4546         (eliminate_unnecessary_stmts): Likewise.
4547         (perform_tree_ssa_dce): Return TODO flags when needed.
4548         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4549
4550 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4551
4552         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4553         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4554         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4555         patterns using X87MODEF12 mode macro.  Extend operand 1
4556         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4557         (log10<mode>2): Ditto.
4558         (log2<mode>2): Ditto.
4559         (log1p<mode>2): Ditto.
4560         (logb<mode>2): Ditto.
4561         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4562         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4563         (*fxtractxf3_i387): Rename from *fxtractxf3.
4564         (fxtract_extend<mode>xf3_i387): New insn pattern.
4565         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4566         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4567         and gen_fyl2xxf3_i387().
4568
4569 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4570
4571         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4572         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4573         get_loop_exit_edges.  Changed return type to bool.
4574         * cfgloop.h (fix_loop_placement): Declaration removed.
4575
4576 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4577
4578         * param.h (MIN_VECT_LOOP_BOUND): New.
4579         * params.def (MIN_VECT_LOOP_BOUND): New.
4580         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4581         argument - minimum threshold for number of iterations.
4582         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4583         argument to declaration.
4584         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4585         MIN_VECT_LOOP_BOUND.
4586         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4587         slpeel_tree_peel_loop_to_edge with additional argument.
4588         (vect_do_peeling_for_alignment): Likewise.
4589         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4590
4591 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4592
4593         PR target/30413
4594         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4595         operands of size 1.
4596
4597 2007-01-14  Jan Hubicka  <jh@suse.cz>
4598
4599         * tree-dfa.c (remove_referenced_var): New function.
4600         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4601         prune referenced vars list too.
4602         * tree-flow.h (remove_referenced_var): Declare.
4603
4604 2007-01-14  Jan Hubicka  <jh@suse.cz>
4605
4606         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4607         separately.
4608         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4609         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4610         * except.h (verify_eh_throw_table_statements): Kill prototype.
4611         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4612         into call exrepssions.
4613         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4614         eh trhow verifier.
4615         * tree-cfg.c: Include pointer-set.h.
4616         (verify_node_sharing): Work on pointer set.
4617         (verify_eh_throw_stmt_node): New.
4618         (verify_stmts): Use pointers sets, verify throw_stmt.
4619
4620 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4621
4622         * ipa-reference.c (analyze_function): Consider also addresses taken
4623         in phi nodes.
4624
4625 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4626
4627         * c-typeck.c (null_pointer_constant_p): Replace use of
4628         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4629         (build_c_cast): Likewise.
4630
4631 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4632
4633         * tree.h (force_fit_type_double): Remove unused final argument.
4634         * c-common.c (constant_expression_warning): Replace use of
4635         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4636         (convert_and_check): Likewise.
4637         (shorten_compare): Update call to force_fit_type_double.
4638         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4639         * convert.c (convert_to_pointer): Update call to
4640         force_fit_type_double.
4641         * fold-const.c (force_fit_type_double): Remove overflowed_const
4642         argument.
4643         (int_const_binop, fold_convert_const_int_from_int,
4644         fold_convert_const_int_from_real, fold_div_compare,
4645         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4646         fold_abs_const, fold_not_const): Remove the final argument from
4647         calls to force_fit_type_double.
4648
4649 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4650
4651         * configure.ac: Set insn to "nop" for spu-*-* also.
4652         * configure: Regenerate.
4653
4654 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4655
4656         * builtins.def : Add BUILT_IN_FREE.
4657
4658 2007-01-12  Jan Hubicka  <jh@suse.cz>
4659
4660         PR tree-optimization/30443
4661         * tree-inline.c (tree_function_versioning): Do not optimize when
4662         cloning for inlining.
4663
4664 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4665
4666         * doc/loop.texi: Document recording of loop exits.
4667         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4668         (update_single_exits_after_duplication,
4669         update_single_exit_for_duplicated_loop,
4670         update_single_exit_for_duplicated_loops): Removed.
4671         (duplicate_loop_to_header_edge): Do not call
4672         update_single_exits_after_duplication and
4673         update_single_exit_for_duplicated_loops.
4674         (loop_version): Do not update single_exit information.
4675         (fix_loop_structure): Use record_loop_exits instead of
4676         mark_single_exit_loops.
4677         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4678         the lists of loop exits.
4679         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4680         split_edge, merge_blocks): Update the lists of loop exits.
4681         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4682         loop_optimizer_init.
4683         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4684         of mark_single_exit_loops.
4685         (loop_optimizer_finalize): Call release_recorded_exits.
4686         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4687         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4688         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4689         update single exit information.
4690         * lambda-code.c (perfect_nestify): Ditto.
4691         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4692         (mark_single_exit_loops): Removed.
4693         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4694         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4695         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4696         functions.
4697         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4698         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4699         (verify_loop_structure): Verify consistency of the exit lists.
4700         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4701         (set_single_exit): Removed.
4702         * cfgloop.h (struct loop_exit): New function.
4703         (struct loop): single_exit_ field replaced by exits field.
4704         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4705         (struct loops): Added exits hash.
4706         (mark_single_exit_loops, set_single_exit): Declaration removed.
4707         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4708
4709 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4710
4711         * doc/invoke.texi: Avoid use of @headitem.
4712
4713 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4714
4715         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4716
4717 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4718
4719         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4720         list of targets.
4721
4722 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4723             Richard Sandiford  <richard@codesourcery.com>
4724
4725         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4726         * config/m68k/m68k.opt: Resort options.
4727         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4728
4729 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4730             Richard Sandiford  <richard@codesourcery.com>
4731
4732         * doc/invoke.texi: Document the macros that are defined by
4733         m68k's -mtune and -mhard-float options.
4734         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4735         (m68k_cpp_cpu_family): Likewise.
4736         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4737         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4738         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4739         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4740         (m68k_cpp_cpu_family): Likewise.
4741
4742 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4743
4744         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4745         macros besides mc68000 as tuning macros.  Use a switch statement
4746         to set them and mcpu32.
4747
4748 2007-01-12  Julian Brown  <julian@codesourcery.com>
4749
4750         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4751         (TARGET_68040_ONLY): Rename to...
4752         (TARGET_68040): ...this.
4753         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4754         * config/m68k/m68k.md: Likewise.
4755
4756 2007-01-12  Julian Brown  <julian@codesourcery.com>
4757             Nathan Sidwell  <nathan@codesourcery.com>
4758             Richard Sandiford  <richard@codesourcery.com>
4759
4760         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4761         the -mcpu= argument associated with the --with-cpu setting.
4762         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4763         if different from the one implied by the -mcpu setting.
4764         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4765         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4766         * doc/invoke.texi: Mention ColdFire in the introduction to the
4767         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4768         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4769         -mhard-float.  Document the previously-undocumented -m5206e,
4770         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4771         documentation for consistency.
4772         * doc/install.texi: Mention new --with-cpu arguments.
4773         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4774         default CPU if neither -mcpu nor -march are specified.
4775         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4776         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4777         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4778         using m68k_tune to decide between families that implement the
4779         same ISA.  Use m68k_tune to set __mcfv4e__.
4780         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4781         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4782         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4783         (FL_ISA_C, FL_ISA_MMU): New macros.
4784         (MASK_COLDFIRE): Delete.
4785         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4786         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4787         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4788         (TARGET_HARD_FLOAT): Do not define here.
4789         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4790         (TUNE_68000): New macro.
4791         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4792         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4793         (TUNE_CFV2): Redefine in terms of m68k_tune.
4794         (uarch_type, target_device, fpu_type): New enums.
4795         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4796         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4797         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4798         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4799         (FL_FOR_isa_c): New macros.
4800         (m68k_isa): New enum.
4801         (m68k_target_selection): New structure.
4802         (all_devices, all_isas, all_microarchs): New tables.
4803         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4804         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4805         (MASK_ALL_CPU_BITS): Delete.
4806         (m68k_find_selection): New function.
4807         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4808         Map the legacy target options to a combination of the new ones.
4809         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4810         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4811         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4812         settings.
4813         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4814         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4815         properties.
4816         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4817         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4818         * config/m68k/m68k-devices.def: New file.
4819
4820 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4821             Nathan Sidwell  <nathan@codesourcery.com>
4822
4823         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4824         (SUBTARGET_EXTRA_SPECS): New macros.
4825         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4826         use %(asm_cpu_spec) instead.
4827         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4828         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4829         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4830         (EXTRA_SPECS): Rename to...
4831         (SUBTARGET_EXTRA_SPECS): ...this.
4832
4833 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4834             Richard Sandiford  <richard@codesourcery.com>
4835             Julian Brown  <julian@codesourcery.com>
4836
4837         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4838         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4839         to the configuration's default CPU.
4840         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4841         Remove default masks.
4842         (m680[012]0-*-*): Set the default with_cpu to the first part of
4843         the target name.
4844         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4845         (m68k*-*-linux): Extend the --with-cpu handling to...
4846         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4847         and m68010.  Don't set target_cpu_default2.
4848         * doc/install.texi: Document --with-cpu for m68k.
4849         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4850         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4851         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4852         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4853         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4854         (ASM_SPEC): Remove use of %(asm_cpu_default).
4855         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4856         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4857         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4858         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4859         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4860         (TARGET_DEFAULT): Delete.
4861         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4862         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4863         (CPP_CPU_SPEC): Delete.
4864         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4865         the appropriate string.
4866         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4867         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4868         (ASM_SPEC): Don't use %(asm_default_spec).
4869         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4870         TARGET_DEFAULT and add MASK_68881.
4871         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4872
4873 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4874
4875         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4876         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4877         MASK_68010 alongside MASK_68020.
4878         * doc/invoke.texi: Document -m68010.
4879         * config/m68k/m68k.opt (m68010): New.
4880         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4881         if TUNE_68010.
4882         (TUNE_68010): New macro.
4883         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4884         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4885         (M68K_CPU_m68332): Add MASK_68010.
4886         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4887         fallback definition.
4888         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4889         defines.
4890         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4891         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4892         to all entries that use MASK_68020.
4893         (output_move_simode_const, output_move_himode, output_move_qimode)
4894         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4895         instead of TARGET_68020 to select clr behavior.  Remove comment
4896         about there being no TARGET_68010.
4897         * config/m68k/m68k.md: Likewise throughout.
4898
4899 2007-01-12  Julian Brown  <julian@codesourcery.com>
4900
4901         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4902         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4903         * config/m68k/m68k.md: Likewise.
4904
4905 2007-01-12  Julian Brown  <julian@codesourcery.com>
4906
4907         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4908         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4909
4910 2007-01-12  Julian Brown  <julian@codesourcery.com>
4911
4912         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4913         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4914         * config/m68k/m68k.md: Likewise.
4915
4916 2007-01-12  Julian Brown  <julian@codesourcery.com>
4917             Richard Sandiford  <richard@codesourcery.com>
4918
4919         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4920         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4921         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4922         TARGET_CPU32.
4923         (TARGET_CPU32): Rename to...
4924         (TUNE_CPU32): ...this.
4925         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4926         (TUNE_CFV2): New macros.
4927         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4928         remove conditions that are implied by TARGET_68020.
4929         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4930         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4931         (m68k_output_function_epilogue): Likewise.
4932         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4933         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
4934         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4935         non-68000 timings.  Refactor multiplication and division costs.
4936         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4937         TUNE_CPU32 instead of TARGET_CPU32.
4938         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4939         and TUNE_68060 instead of TARGET_68060.
4940         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4941         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4942         TARGET_CPU32.
4943         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4944         && !TARGET_COLDFIRE" to choose between moveq and clr.
4945         Likewise in the unnamed movsf pattern.
4946         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4947         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
4948         ashiftrt pattern.
4949
4950 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4951
4952         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4953         of tabbing before backslashes.
4954
4955 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4956
4957         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4958         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4959         (ASM_OUTPUT_INTERNAL_LABEL): Define.
4960
4961 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4962
4963         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4964         find_interesting_uses_cond.
4965         (find_interesting_uses_cond): Use extract_cond_operands.
4966         (rewrite_use_compare): Use extract_cond_operands and
4967         force_gimple_operand_bsi.  Do not call update_stmt.
4968         (determine_use_iv_cost_condition): Use extract_cond_operands.
4969         Return cheaper of using original bound and changing the exit bound.
4970
4971 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4972
4973         PR tree-optimization/29516
4974         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4975         most_expensive_mult_to_index, addr_to_parts,
4976         create_mem_ref, maybe_fold_tmr): Make the type of
4977         fields of TARGET_MEM_REF sizetype.
4978         (move_fixed_address_to_symbol, move_pointer_to_base):
4979         New functions.
4980         * tree.def (TARGET_MEM_REF): Add comment on types of
4981         the operands.
4982
4983 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
4984
4985         * c-common.c (vector_types_convertible_p): Treat opaque types as
4986         always convertible if they have the same size, but not otherwise.
4987
4988 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
4989
4990         * ifcvt.c (struct noce_if_info): Add comments to the fields.
4991         Remove the b_unconditional field.
4992         (noce_try_sign_mask): Do not look at b_unconditional.
4993         (noce_process_if_block): Do not use merge_if_blocks.  Update
4994         the CFG here.  Do not set b_unconditional.
4995         (cond_move_process_if_block): Likewise.
4996         (find_cond_trap): Likewise.
4997         (check_cond_move_block): Require simple jump insns at the end
4998         of the basic block.
4999
5000 2007-01-11  Jan Hubicka  <jh@suse.cz>
5001
5002         PR tree-optimization/1046
5003         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5004         when alias info is not ready.
5005         (pass_tail_recursion): Do not require aliasing.
5006         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5007         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5008         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5009         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5010         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5011         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5012         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5013         before inlining.
5014         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5015         When aliasing is not build, mark statement as volatile.
5016
5017 2007-01-11  Tom Tromey  <tromey@redhat.com>
5018
5019         PR preprocessor/15185, PR preprocessor/20989:
5020         * doc/cppopts.texi <-MT>: Update description of algorithm for
5021         computing default target.
5022         <-M, -MD>: Reword "basename" text.
5023
5024 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5025
5026         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5027         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5028         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5029         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5030         fold_builtin_bswap, real_constp, fold_builtin_pow,
5031         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5032         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5033         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5034         * convert.c (convert_to_pointer): Likewise.
5035         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5036         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5037         const_binop, fold_convert_const_int_from_int,
5038         fold_convert_const_int_from_real,
5039         fold_convert_const_real_from_real, sign_bit_p,
5040         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5041         fold_sign_changed_comparison, fold_unary, fold_comparison,
5042         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5043         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5044         * print-tree.c (print_node_brief, print_node): Likewise.
5045         * stor-layout.c (place_field, layout_type): Likewise.
5046         * tree-chrec.c (keep_cast): Likewise.
5047         * tree.c (build_vector, build_real, build_real_from_int_cst,
5048         build_complex): Likewise.
5049
5050 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5051
5052         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5053         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5054
5055 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5056
5057         * configure.ac (strict1_warn): Rename to strict_warn.
5058         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5059         cc_set_by_configure, quoted_cc_set_by_configure,
5060         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5061         all_boot_languages, all_stagestuff): Remove.
5062         (target_list): Remove bootstrap targets.
5063         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5064         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5065         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5066         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5067         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5068         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5069         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5070         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5071         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5072         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5073         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5074         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5075         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5076         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5077         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5078         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5079         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5080         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5081         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5082         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5083         (mostlyclean): Adjust.
5084         (clean, distclean): Don't mention bootstrap stuff.
5085         * configure: Regenerate.
5086         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5087         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5088         treelang/config-lang.in (stagestuff): Remove.
5089         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5090         stageprofile, stagefeedback, stagestuff): Remove mention.
5091
5092 2007-01-11  Nick Clifton  <nickc@redhat.com>
5093
5094         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5095         Accept CONSTs.
5096         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5097         (mcore_arith_K_S_operand): Run the test for the S constraint not
5098         the test for the M constraint.
5099         (mcore_addsub_operand): Do not accept integer values that are
5100         larger than 32 bits.
5101         * config/mcore/mcore.md: Remove unused constraints from split.
5102         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5103         (addsi3): Likewise.
5104         (allocate_stack): Likewise.
5105         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5106         operands to 32 bits.
5107         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5108         INTVAL.
5109         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5110         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5111         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5112         mcore_output_bclri, mcore_output_andn, output_inline_const,
5113         mcore_output_move, mcore_output_movedouble): Likewise.
5114         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5115         (output_inline_const): Likewise.
5116         (output_inline_const): Fix format strings used in sprintf
5117         statements.
5118         * config/mcore/mcore-protos.h: Update prototypes for changed
5119         functions in mcore.c.
5120         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5121         HOST_WIDE_INT and not int.
5122         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5123         CONST_OK_FOR_N): Likewise.
5124         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5125         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5126         an INTVAL.
5127
5128 2007-01-10  Jan Hubicka  <jh@suse.cz>
5129
5130         * tree-vrp.c (remove_range_assertions): Release defs.
5131         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5132         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5133
5134 2007-01-10  Paul Brook  <paul@codesourcery.com>
5135
5136         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5137         * config/arm/arm.md (mulsi3subsi): New insn.
5138
5139 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5140
5141         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5142         (tree_transform_and_unroll_loop): New.
5143         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5144         Declare.
5145
5146 2007-01-10  Robert Kennedy <jimbob@google.com>
5147
5148         * fold-const.c (fold_comparison): Fold comparisons like (x *
5149         1000 < 0) to (x < 0).
5150
5151 2007-01-10  Ian Lance Taylor  <iant@google.com>
5152
5153         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5154         operands have the same priority.
5155
5156 2007-01-10  Tom Tromey  <tromey@redhat.com>
5157
5158         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5159         (fold_binary): Likewise.
5160         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5161         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5162         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5163         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5164         * langhooks.h (struct lang_hooks): Removed field
5165         'can_use_bit_fields_p'.
5166
5167 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5168
5169         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5170
5171 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5172
5173         * function.c (get_last_funcdef_no): New function.
5174         * function.h (get_last_funcdef_no): Declare.
5175         * tree-inline.c (initialize_cfun): Add initialization.
5176         (tree_function_versioning): Cleanup.
5177
5178 2007-01-10  Jan Hubicka  <jh@suse.cz>
5179
5180         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5181         PHIs.
5182
5183 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5184             Ben Elliston  <bje@au.ibm.com>
5185
5186         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5187         for SAVE_NONLOCAL and Pmode for any other save level.
5188         * spu-protos.h (spu_restore_stack_block): Declare.
5189         * spu.md (save_stack_block): Remove.
5190         (restore_stack_block): Call spu_restore_stack_block.
5191         * spu.c (spu_restore_stack_block): New function.
5192         (spu_expand_epilogue): Remove old comment.
5193
5194 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5195
5196         PR tree-optimization/30322
5197         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5198         (cand_value_at): Return the value as aff_tree.
5199         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5200         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5201         aff_combination_mult): New functions.
5202         (aff_combination_add): Use aff_combination_add_cst.
5203         (aff_combination_convert): Allow conversions to a wider type.
5204         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5205         * tree-affine.h (aff_combination_mult): Declare.
5206
5207 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5208
5209         * doc/tm.texi: Update documentation to reflect reality of exec
5210         and start file search behaviours. Update copyright year.
5211         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5212         header file directories.
5213
5214 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5215
5216         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5217         (*cosxf2): Rename to cosxf2_i387.
5218         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5219         using X87MODEF12 mode macro. Rename patterns to
5220         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5221         for SSE math.
5222         (*cosdf2, *cossf2): Ditto.
5223         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5224         to match extended input operands.
5225         (sincos<mode>3): New expander.
5226         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5227         insn patterns and corresponding splitters.
5228
5229 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5230
5231         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5232         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5233
5234 2007-01-09  Nicolas Pitre  <nico@cam.org>
5235
5236         PR target/30173
5237         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5238
5239 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5240
5241         * target.h (struct gcc_target): New field library_rtti_comdat.
5242         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5243         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5244         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5245         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5246
5247 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5248
5249         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5250
5251 2007-01-08  Richard Guenther  <rguenther@suse.de>
5252
5253         * tree.h (force_fit_type_double): Export.
5254         (force_fit_type): Remove.
5255         * fold-const.c (force_fit_type_double): New function.
5256         (force_fit_type): Remove.
5257         (int_const_binop): Use it.
5258         (fold_convert_const_int_from_int): Likewise.
5259         (fold_convert_const_int_from_real): Likewise.
5260         (fold_div_compare): Likewise.
5261         (fold_sign_changed_comparison): Likewise.
5262         (fold_unary): Likewise.
5263         (fold_negate_const): Likewise.
5264         (fold_abs_const): Likewise.
5265         (fold_not_const): Likewise.
5266         * c-common.c (shorten_compare): Use force_fit_type_double.
5267         * convert.c (convert_to_pointer): Likewise.
5268
5269 2007-01-08  Richard Guenther  <rguenther@suse.de>
5270
5271         * tree.h (build_int_cst_wide_type): Export.
5272         * tree.c (build_int_cst_wide_type): New function.
5273         (build_int_cst_wide): Fix comment.
5274         * builtins.c (fold_builtin_object_size): Use build_int_cst
5275         to build -1 or 0 of the correct type.  Use fit_double_type
5276         to check for overflow.
5277         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5278         to build the mask.
5279         (decode_field_reference): Likewise.
5280         (all_ones_mask_p): Likewise.
5281         (native_interpret_int): Use build_int_cst_wide_type.
5282         (fold_binary): Use build_int_cst_type to build an all-ones
5283         value.
5284         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5285
5286 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5287
5288         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5289
5290 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5291
5292         * genautomata.c (STATS_OPTION): New option.
5293         (stats_flag): New flag.
5294         (gen_automata_option): Handle it.
5295         (initiate_automaton_gen): Ditto.
5296         (write_automata): Output statistics only if stats_flag is
5297         set. Likewise, output time statistics only if time_flag is set.
5298         * doc/md.texi (Processor pipeline description): Document new flag.
5299
5300 2007-01-08  Richard Guenther  <rguenther@suse.de>
5301
5302         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5303         * tree.c (build_int_cst_type): Likewise.
5304         (size_in_bytes): Don't call force_fit_type on the result.
5305         (int_fits_type_p): Use fit_double_type.
5306         * fold-const.c (fit_double_type): New function.
5307         (force_fit_type): Use it.
5308         * tree.h (fit_double_type): Export.
5309
5310 2007-01-08  Jan Hubicka  <jh@suse.cz>
5311
5312         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5313         * ipa.c (function_and_variable_visibility): Fix return type.
5314
5315 2007-01-08  Richard Guenther  <rguenther@suse.de>
5316
5317         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5318         of offset to build the index.
5319         * tree-pretty-print.c (dump_generic_node): Don't build negated
5320         const just for printing.
5321         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5322         * builtins.c (fold_builtin_int_roundingfn): Check if result
5323         fits the type by using force_fit_type and comparing the result.
5324         * predict.c (predict_loops): Use compare_tree_int for comparison.
5325         * tree.c (build_int_cst): Fall back to integer_type_node for
5326         NULL_TREE type.
5327         (build_int_cst_wide): Assert type is non-null.
5328
5329 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5330
5331         * tree-vrp.c (extract_range_from_cond_expr): New.
5332         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5333         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5334         as expressions.
5335         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5336         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5337         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5338         used as expressions.
5339         * tree-object-size.c (cond_expr_object_size): New.
5340         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5341
5342 2007-01-08  Jan Hubicka  <jh@suse.cz>
5343
5344         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5345         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5346         statement.
5347
5348 2007-01-08  Richard Guenther  <rguenther@suse.de>
5349
5350         PR tree-optimization/23603
5351         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5352         (extract_range_from_binary): Fall back to truthvalue instead of
5353         varying for TRUTH_*_EXPR.
5354         (extract_range_from_comparison): Fall back to truthvalue instead of
5355         varying.
5356         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5357         if all visited PHI values were constant.
5358
5359 2007-01-08  Jan Hubicka  <jh@suse.cz>
5360
5361         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5362         (cgraph_analyze_function): break out from ...
5363         (cgraph_finalize_compilation_unit): ... here.
5364         (cgraph_expand_function): Remove forgoten commented out line.
5365         (cgraph_optimize): Analyze functions.
5366
5367 2007-01-08  Jan Hubicka  <jh@suse.cz>
5368
5369         * tree-pas.h (TODO_remove_function): New flag.
5370         (TODO_update*): Renumber.
5371         (pass_ipa_increase_alignment,
5372         pass_ipa_function_and_variable_visibility): New passes.
5373         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5374         (cgraph_function_and_variable_visibility): Move to ipa.c
5375         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5376         cgraph_increase_alignment.
5377         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5378         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5379         calling tree-inline.
5380         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5381         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5382         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5383         (gate_increase_alignment): New function.
5384         (pass_ipa_increase_alignment): New pass.
5385         * ipa.c: Inline tree-pass.h and timevar.h
5386         (function_and_variable_visibility): Move here from cgraphunit.c
5387         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5388         * passes.c (init_optimization_passes): Add the two new passes.
5389         (execute_todo): Handle cgraph_remove_functions.
5390
5391 2007-01-08  Nick Clifton  <nickc@redhat.com>
5392
5393         * config/frv/predicates.md (reg_or_0_operand): Accept
5394         CONST_DOUBLEs.
5395
5396 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5397
5398         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5399         * config.gcc: Add bfin*-rtems*.
5400
5401 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5402
5403         * c.opt: Add -flax-vector-conversions.
5404         * c-typeck.c (convert_for_assignment): Pass flag to
5405         vector_types_convertible_p to allow emission of note.
5406         (digest_init): Likewise.
5407         * c-opts.c: Handle -flax-vector-conversions.
5408         * c-common.c (flag_lax_vector_conversions): New.
5409         (vector_types_convertible_p): Unless -flax-vector conversions
5410         has been passed, disallow conversions between vectors with
5411         differing numbers of subparts and/or element types.  If such
5412         a conversion is disallowed, possibly emit a note on the first
5413         occasion only to inform the user of -flax-vector-conversions.
5414         The new last argument specifies this.
5415         * c-common.h (flag_lax_vector_conversions): New.
5416         (vector_types_convertible_p): Add extra argument.
5417         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5418         char_type_node for V*QI type vectors.
5419         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5420         Update to satisfy new typechecking rules.
5421         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5422         C and C++ variants.
5423         * doc/invoke.texi (C Dialect Options): Document
5424         -flax-vector-conversions.
5425
5426 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5427
5428         PR tree-optimization/29877
5429         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5430         a register variable on the RHS to not be replaceable.
5431
5432 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5433         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5434         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5435         const_simm15, const_pow2, const_npow2): Added.
5436         * config/score/misc.md (insv, extv, extzv, movmemsi,
5437         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5438         * config/score/score.c (score_address_cost, score_select_cc_mode):
5439         Added.
5440         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5441         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5442         Update score_print_operand.
5443         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5444         Adjust register allocate order and update some macro define.
5445         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5446         mdx_block_move_straight, mdx_block_move_loop_head,
5447         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5448         mdx_block_move): Added.
5449         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5450         mdp_limm): Updated and fix some bug and typo.
5451         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5452         (movsf, movdf, doloop_end): Added.
5453
5454 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5455
5456         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5457         config/arm/thumb2.md: Fix comment typos.
5458         * doc/extend.texi: Fix a typo.
5459
5460 2007-01-07  Eric Christopher  <echristo@apple.com>
5461
5462         * configure.ac: Check for __stack_chk_fail for darwin.
5463         * configure: Regenerate.
5464
5465 2007-01-07  Richard Guenther  <rguenther@suse.de>
5466
5467         * tree-vrp.c (extract_range_from_assert): CSE calls to
5468         compare_values where possible.
5469         (extract_range_from_unary_expr): Likewise.
5470
5471 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5472
5473         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5474         * config/avr/avr.c (call_insn_operand): Delete function.
5475         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5476         instead of register number. Use predicates.
5477         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5478         call_insn_operand): Add.
5479
5480 2007-01-06  Jan Hubicka  <jh@suse.cz>
5481
5482         * tree-pass.h (pass_build_cgraph_edges): Declare.
5483         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5484         (visited_nodes): Remove.
5485         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5486         build_cgrpah_edges; make visited_nodes local.
5487         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5488         (record_references_in_initializer): Move to cgraphbuild.c
5489         (initialize_inline_failed, rebuild_cgraph_edges,
5490         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5491         (verify_cgraph_node): Make visited_nodes local.
5492         (cgraph_analyze_function): Do not call cgraph_create_edges and
5493         initialize_inline_failed.
5494         (cgraph_expand_function): Do not call cgraph_lower_function;
5495         assert that function is already lowered.
5496         * Makefile.in (cgraphbuild.o): New.
5497         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5498         at the end of lowering passes.
5499
5500 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5501
5502         * ifcvt.c (cond_move_convert_if_block): New function, code
5503         factored out from...
5504         (cond_move_process_if_block): ...here.  Call the new function
5505         on the THEN and ELSE blocks.
5506         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5507         already takes care of this.
5508
5509 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5510
5511         PR c/19978
5512         * tree.h (TREE_OVERFLOW_P): New.
5513         * c-typeck.c (parser_build_unary_op): Warn only if result
5514         overflowed and operands did not.
5515         (parser_build_binary_op): Likewise.
5516         (convert_for_assignment): Remove redundant overflow_warning.
5517         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5518
5519 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5520
5521         * c-typeck.c (store_init_value): Split over two lines to follow
5522         the GNU coding style.
5523
5524 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5525
5526         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5527         __GXX_EXPERIMENTAL_CXX0X__.
5528         * doc/cpp.texi: Same.
5529
5530 2007-01-05  Richard Guenther  <rguenther@suse.de>
5531
5532         PR middle-end/27826
5533         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5534         with mismatched types.  Instead explicitly build a
5535         conversion NOP_EXPR.
5536
5537 2007-01-05  Ian Lance Taylor  <iant@google.com>
5538
5539         * c-common.c (decl_with_nonnull_addr_p): New function.
5540         (c_common_truthvalue_conversion): Call it.
5541         * c-typeck.c (build_binary_op): Likewise.
5542         * c-common.h (decl_with_nonnull_addr_p): Declare.
5543
5544 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5545
5546         PR c/30360
5547         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5548         denom against 0.0.
5549
5550 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5551
5552         * doc/install.texi (Final install): Document the fact that
5553         the GNAT runtime should not be stripped.
5554
5555 2007-01-04  Jan Hubicka  <jh@suse.cz>
5556
5557         * tree-inline.c (fold_marked_statements): Update operand caches
5558         and EH after folding
5559
5560 2007-01-04  Ian Lance Taylor  <iant@google.com>
5561
5562         * c-common.c (check_function_nonnull): Whitespace fix.
5563
5564 2007-01-04  Jan Hubicka  <jh@suse.cz>
5565
5566         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5567         comitted older version of patch.
5568         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5569         function, celanup cfg and collect garbage.
5570
5571 2007-01-04  Mike Stump  <mrs@apple.com>
5572
5573         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5574         (clean): Likewise.
5575
5576 2007-01-04  Eric Christopher  <echristo@apple.com>
5577
5578         * libgcc2.c (__bswapsi2): Use SItype.
5579         (__bswapdi2): Use DItype.
5580         * libgcc2.h: Update for above.
5581
5582 2007-01-04  Paul Brook  <paul@codesourcery.com>
5583
5584         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5585         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5586         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5587         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5588         umulsi3_highpart): Make conditional on !arm_arch6.
5589         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5590         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5591         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5592         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5593         umulsi3_highpart_v6): New insns.
5594
5595 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5596
5597         * fold-const.c (fold_convert): When casting an expression to void,
5598         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5599         have a type.  Instead of attempting to build a NOP_EXPR, return
5600         these "special" trees directly.
5601
5602 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5603
5604         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5605         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5606         rs6000_cost->fp not 0 as adjustment for outer NEG.
5607
5608 2007-01-04  Jan Hubicka  <jh@suse.cz>
5609
5610         * cgraph.c (cgraph_release_function_body): New function.
5611         (cgraph_remove_node): Use it.
5612         * cgraph.h (cgraph_release_function_body): Declare.
5613         * cgraphunit.c (cgraph_expand_function): Use it.
5614         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5615         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5616         is initialized and while compilation of other function is running.
5617         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5618         statement CFG annotations from here to ...
5619         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5620
5621 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5622
5623         * cfgloop.h (enum li_flags): Make the constants powers of two.
5624
5625 2007-01-04  Jan Hubicka  <jh@suse.cz>
5626
5627         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5628         set.
5629         (fold_marked_statements): New function.
5630         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5631         * tree-inline.h (copy_body_data): Add statements_to_fold.
5632
5633 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5634
5635         * config.gcc: Mention libgcc/config.host.
5636         * Makefile.in: Update comments mentioning libgcc.
5637         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5638         (all.cross, start.encap, rest.encap, rest.cross): Update
5639         dependencies for libgcc move.
5640         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5641         (clean-target, clean-target-libgcc): Delete.
5642         (srcdirify, GCC_EXTRA_PARTS): New macros.
5643         (libgcc-support, libgcc.mvars): New rules.
5644         (distclean): Remove mention of mklibgcc.
5645         (install): Don't reference INSTALL_LIBGCC.
5646         (install-common): Don't reference EXTRA_PARTS.
5647         (install-libgcc, install-multilib): Delete rules.
5648         * mklibgcc.in: Delete file.
5649         * doc/configfiles.texi: Don't mention mklibgcc.
5650
5651         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5652         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5653         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5654         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5655         (mklibgcc, ldblspecs): Likewise.
5656
5657         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5658         (posixpre.def): Use $(T).
5659         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5660         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5661         (SHLIB_LINK): Make dummy.
5662         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5663
5664         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5665
5666         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5667         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5668         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5669         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5670
5671         * configure.ac (all_outputs): Remove mklibgcc.
5672         * configure: Regenerated.
5673
5674 2007-01-03  Josh Conner  <jconner@apple.com>
5675
5676         PR middle-end/29683
5677         * calls.c (compute_argument_addresses): Set stack and stack_slot
5678         for partial args, too.
5679         (store_one_arg): Use locate.size.constant for the size when
5680         generating a save_area.
5681
5682 2007-01-03  Robert Kennedy <jimbob@google.com>
5683
5684         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5685         whose definitions are deleted due to basic block merging.
5686
5687 2007-01-03  Paul Brook  <paul@codesourcery.com>
5688
5689         PR target/16634
5690         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5691         functions.
5692         (use_return_insn): Return 0 for Thumb interrupt functions.
5693         (print_multi_reg): Add rfe argument for IRQ returns.
5694         (arm_output_epilogue): Pop interrupt return address directly into PC.
5695         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5696
5697 2007-01-03  Paul Brook  <paul@codesourcery.com>
5698
5699         Merge from sourcerygxx-4_1.
5700         * config/arm/thumb2.md: New file.
5701         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5702         Thumb-2.
5703         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5704         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5705         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5706         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5707         tables.
5708         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5709         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5710         comptibility.
5711         * config/arm/ieee754-sf.S: Ditto.
5712         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5713         (thumb1_base_register_rtx_p): ... to this.
5714         (thumb_index_register_rtx_p): Rename...
5715         (thumb1_index_register_rtx_p): ... to this.
5716         (thumb_output_function_prologue): Rename...
5717         (thumb1_output_function_prologue): ... to this.
5718         (thumb_legitimate_address_p): Rename...
5719         (thumb1_legitimate_address_p): ... to this.
5720         (thumb_rtx_costs): Rename...
5721         (thumb1_rtx_costs): ... to this.
5722         (thumb_compute_save_reg_mask): Rename...
5723         (thumb1_compute_save_reg_mask): ... to this.
5724         (thumb_final_prescan_insn): Rename...
5725         (thumb1_final_prescan_insn): ... to this.
5726         (thumb_expand_epilogue): Rename...
5727         (thumb1_expand_epilogue): ... to this.
5728         (arm_unwind_emit_stm): Rename...
5729         (arm_unwind_emit_sequence): ... to this.
5730         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5731         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5732         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5733         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5734         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5735         thumb2_output_casesi): New functions.
5736         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5737         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5738         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5739         THUMB2_WORK_REGS): Define.
5740         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5741         arm_condexec_mask, arm_condexec_masklen)): New variables.
5742         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5743         (arm_override_options): Check new CPU capabilities.
5744         Set new architecture flag variables.
5745         (arm_isr_value): Handle v7m interrupt functions.
5746         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5747         Thumb-2.
5748         (const_ok_for_arm): Handle Thumb-2 constants.
5749         (arm_gen_constant): Ditto.  Use movw when available.
5750         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5751         functions.
5752         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5753         (thumb_find_work_register, arm_load_pic_register,
5754         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5755         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5756         print_multi_reg, output_mov_long_double_fpa_from_arm,
5757         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5758         output_mov_double_fpa_from_arm, output_move_double,
5759         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5760         output_return_instruction, arm_output_function_prologue,
5761         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5762         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5763         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5764         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5765         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5766         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5767         '!' and 'L'.
5768         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5769         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5770         (arm_file_start): Output directive for unified syntax.
5771         (arm_unwind_emit_set): Handle stack alignment instruction.
5772         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5773         Add v6t2, v7, v7a, v7r and v7m.
5774         (RETLDM): Add Thumb-2 code.
5775         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5776         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5777         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5778         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5779         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5780         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5781         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5782         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5783         ADJUST_INSN_LENGTH): Define.
5784         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5785         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5786         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5787         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5788         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5789         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5790         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5791         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5792         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5793         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5794         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5795         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5796         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5797         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5798         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5799         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5800         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5801         cortex-m3.
5802         * config/arm/arm-tune.md: Regenerate.
5803         * config/arm/arm-protos.h: Update prototypes.
5804         * config/arm/vfp.md: Enable patterns for Thumb-2.
5805         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5806         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5807         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5808         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5809         * config/arm/libunwind.S: Add Thumb-2 code.
5810         * config/arm/constraints.md: Update include Thumb-2.
5811         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5812         * config/arm/ieee754-df.S: Ditto.
5813         * config/arm/bpabi.S: Ditto.
5814         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5815         * config/arm/predicates.md (low_register_operand,
5816         low_reg_or_int_operand, thumb_16bit_operator): New.
5817         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5818         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5819         * config/arm/t-arm-elf: Add armv7 multilib.
5820         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5821         Include thumb2.md.
5822         (UNSPEC_STACK_ALIGN, ce_count): New.
5823         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5824         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5825         insns/expanders.
5826         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5827         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5828         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5829         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5830         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5831         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5832         insns.
5833         * doc/extend.texi: Document ARMv7-M interrupt functions.
5834         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5835
5836 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5837
5838         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5839         (struct _Unwind_Context): Rename args_size to flags, remove
5840         signal_frame field, add a new args_size field and version field.
5841         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5842         _Unwind_IsExtendedContext): New inline functions.
5843         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5844         Assume by_value array is only present if _Unwind_IsExtendedContext.
5845         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5846         _Unwind_IsSignalFrame.
5847         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5848         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5849         (uw_init_context_1): Initialize context->flags to
5850         EXTENDED_CONTEXT_BIT.
5851         * config/rs6000/linux-unwind.h (frob_update_context): Use
5852         _Unwind_SetSignalFrame.
5853
5854 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5855
5856         PR middle-end/30353
5857         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5858         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5859         the value.
5860
5861 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5862
5863         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5864         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5865         RET, AT_SP): Remove.
5866         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5867         instead of RET.
5868
5869         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5870         * cfgbuild.c (find_basic_blocks): Likewise.
5871         * cfgrtl.c (rtl_create_basic_block): Likewise.
5872         * function.c (temp_slots_at_level): Likewise.
5873         * reg-stack.c (stack_regs_mentioned): Likewise.
5874         * regclass.c (allocate_reg_info): Likewise.
5875         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5876         set_bb_for_stmt, move_block_to_fn): Likewise.
5877         * tree-complex.c (tree_lower_complex): Likewise.
5878         * vec.h (VEC_safe_grow_cleared): New.
5879
5880         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5881
5882 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5883
5884         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5885         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5886         to loop_version.
5887         * cfgloopmanip.c (scale_loop_frequencies): Export.
5888         (loopify): Scale the frequencies by prescribed coefficients.
5889         (set_zero_probability): New function.
5890         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5891         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5892         and frequencies according to arguments.
5893         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5894         correctly.
5895         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5896         * modulo-sched.c (sms_schedule): Set probabilities for entering
5897         versioned loop correctly.
5898         * tree-vect-transform.c (vect_transform_loop): Ditto.
5899         * cfgloop.h (loopify, loop_version): Declaration changed.
5900         (scale_loop_frequencies): Declared.
5901
5902 2007-01-02  Jan Hubicka  <jh@suse.cz>
5903
5904         * cgraph.c: Include tree-flow.h
5905         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5906         early_local_passes.
5907         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5908         * tree-pass.h (pass_all_early_optimizations): Declare.
5909         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5910         early_local_passes.
5911         (cgraph_analyze_function): Do early_local_passes.
5912         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5913         Do not add referenced vars.
5914         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5915         SSA form.
5916         (gate_all_early_local_passes): New gate.
5917         (pass_early_local_passes): Use new gate.
5918         (execute_early_local_optimizations): New functions.
5919         (gate_all_early_optimizations): New gate.
5920         (pass_all_early_optimizations): New pass.
5921         (execute_free_datastructures): Free SSA only when initialized.
5922         (gate_init_datastructures): Init only when optimizing.
5923         (tree_lowering_passes): Do early local passes when called late.
5924         * tree-profile.c (do_tree_profiling): Don't profile functions added
5925         late.
5926         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5927         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5928         not active.
5929         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5930         during early_local_passes.
5931         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5932
5933
5934 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5935
5936         * Makefile.in: Update copyright year.
5937
5938 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5939
5940         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5941         in $(lang_checks) and check-consistency targets.
5942
5943 2007-01-02  Jan Hubicka  <jh@suse.cz>
5944
5945         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5946         Do not add referenced vars.
5947         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5948         are not active.
5949         * passes.c (init_optimization_passes): Put mudflap_2 after
5950         free_datastructures.
5951
5952 2007-01-02  Jan Hubicka  <jh@suse.cz>
5953
5954         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5955         Set NOTHROW flag on call statements proved to be nothrow.
5956         Update statement of local calls so new pure/const functions are
5957         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5958         goto receivers.
5959         (tree_rest_of_compilation): Register hooks and initialize bitmap
5960         early. Do not set after_inlining flag.
5961
5962 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
5963
5964         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
5965         HOST_BITS_PER_LONGLONG
5966
5967 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5968
5969         PR c/19977
5970         * c-typeck.c (store_init_value): Don't emit pedantic overflow
5971         warning for non-static initializers.
5972
5973 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
5974
5975         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5976         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5977         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5978         Always use set_unique_reg_note to add REG_EQUAL notes.
5979
5980 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5981
5982         Revert:
5983         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5984
5985         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5986         * cfgbuild.c (find_basic_blocks): Likewise.
5987         * cfgrtl.c (rtl_create_basic_block): Likewise.
5988         * function.c (temp_slots_at_level): Likewise.
5989         * reg-stack.c (stack_regs_mentioned): Likewise.
5990         * regclass.c (allocate_reg_info): Likewise.
5991         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5992         set_bb_for_stmt, move_block_to_fn): Likewise.
5993         * tree-complex.c (tree_lower_complex): Likewise.
5994         * vec.h (VEC_safe_grow_cleared): New.
5995
5996 2007-01-02  Ian Lance Taylor  <iant@google.com>
5997
5998         * c-common.c (c_common_truthvalue_conversion): When warning about
5999         using an assignment as a truth value, set TREE_NO_WARNING.
6000
6001 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6002
6003         PR middle-end/7651
6004         * c.opt (Wold-style-declaration): New.
6005         * doc/invoke.texi (C-only Warning Options): New.
6006         (Wold-style-declaration): Document it.
6007         (Wextra): Enabled by -Wextra.
6008         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6009         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6010         -Wold-style-declaration.
6011
6012 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6013
6014         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6015         * cfgbuild.c (find_basic_blocks): Likewise.
6016         * cfgrtl.c (rtl_create_basic_block): Likewise.
6017         * function.c (temp_slots_at_level): Likewise.
6018         * reg-stack.c (stack_regs_mentioned): Likewise.
6019         * regclass.c (allocate_reg_info): Likewise.
6020         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6021         set_bb_for_stmt, move_block_to_fn): Likewise.
6022         * tree-complex.c (tree_lower_complex): Likewise.
6023         * vec.h (VEC_safe_grow_cleared): New.
6024
6025 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6026
6027         * c-common.c (c_common_nodes_and_builtins): Since variants of
6028         void_type_node get built before it is given a name, we need to
6029         give those variants the name, too.
6030         (complete_array_type): We need to work with the canonical main
6031         type of the array, from which we will build the qualified version.
6032         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6033         * print-tree.c (print_node): Display canonical type information
6034         for each type.
6035         * stor-layout.c (layout_type): When we don't know the
6036         alignment of a type for which we're building an array, we end up
6037         guessing wrong, so make the type require structural equality.
6038         * tree.c (make_node_stat): When we build a new type, it is its
6039         own canonical type.
6040         (build_type_attribute_qual_variant): When building an attribute
6041         variant, its canonical type is the non-attribute variant. However,
6042         if the attributes are target-dependent and they differ, we need to
6043         use structural equality checks for this type.
6044         (build_qualified_type): A qualified type is not equivalent to its
6045         unqualified variant; set the canonical type appropriately.
6046         (build_distinct_type_copy): When building a distinct type from
6047         another type, the new type is its own canonical type.
6048         (build_variant_type_copy): When building a new type variant, we
6049         assume that it is equivalent to the original type.
6050         (build_pointer_type_for_mode): When building a pointer type, also
6051         build a canonical type pointer.
6052         (build_reference_type_for_mode): When building a reference type,
6053         also build a canonical type reference.
6054         (build_index_type): When we can't hash an index type (e.g.,
6055         because its maximum value is negative), the index type requires
6056         structural equality tests.
6057         (build_array_type): Build the canonical form of an array type.
6058         (build_function_type): Function types require structural equality,
6059         because they contain default arguments, attributes, etc.
6060         (build_method_type_directly): Ditto for method types.
6061         (build_offset_type): Build the canonical offset type.
6062         (build_complex_type): Build the canonical vector type.
6063         (make_vector_type): Build the canonical vector type.
6064         * tree.h (TYPE_CANONICAL): New.
6065         (TYPE_STRUCTURAL_EQUALITY_P): New.
6066         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6067         (struct tree_type): Added "canonical" field.
6068         * params.h (VERIFY_CANONICAL_TYPES): New.
6069         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6070         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6071         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6072         * doc/invoke.texi (verify-canonical-types): Document --param
6073         parameter for verifying canonical types.
6074
6075 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6076
6077         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6078         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6079         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6080         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6081         tm_file.
6082         * config/rs6000/e500.h: New.
6083         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6084         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6085         Remove.
6086         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6087         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6088         TARGET_E500_DOUBLE): Remove.
6089         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6090         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6091         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6092         * config/rs6000/rs6000.c (rs6000_override_options): Use
6093         CHECK_E500_OPTIONS.
6094
6095 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6096
6097         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6098         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6099         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6100         rs6000_emit_cmove): Don't check TARGET_E500.
6101         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6102         sordered): Don't check TARGET_E500.
6103
6104 2007-01-01  Eric Christopher  <echristo@apple.com>
6105
6106         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6107         HARD_REGISTER_NUM_P.
6108
6109 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6110
6111         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6112         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6113         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6114         eq/ne Y".
6115
6116 2007-01-01  Mike Stump  <mrs@apple.com>
6117
6118         * configure.ac: Remove support for building with Apple's gcc-3.1.
6119
6120 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6121
6122         PR middle-end/30311
6123         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6124         REG is a hard register.  Do not modify REG before calling
6125         subreg_nregs.
6126         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6127         multiple of the size of YMODE for certain lowpart cases.
6128
6129 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6130
6131         PR middle-end/30253
6132         * gimplify (voidify_wrapper_expr): Update for
6133         GIMPLE_MODIFY_STMT.
6134
6135 2007-01-01  Andreas Schwab  <schwab@suse.de>
6136
6137         PR target/29166
6138         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6139         save of BR0 in extra_spill_size instead of spill_size.
6140         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6141         area.
6142         (ia64_expand_epilogue): Restore BR0 from its new location.
6143
6144 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6145
6146         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6147         Use a temporary variable if the left hand side is not a gimple
6148         register.
6149
6150 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6151
6152         * gimplify.c (gimplify_return_expr): Make the temporary variable
6153         for the return expression, a gimple register variable.
6154
6155 2007-01-01  Jan Hubicka  <jh@suse.cz>
6156
6157         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6158         INSN_LIST.
6159
6160 2007-01-01  Mike Stump  <mrs@apple.com>
6161
6162         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6163         .literal16.
6164         * config/darwin.c (machopic_select_rtx_section): Use
6165         HAVE_GAS_LITERAL16.
6166         (darwin_mergeable_constant_section): Likewise.
6167         * configure: Regenerate.
6168         * config.in: Regenerate.
6169
6170 2007-01-01  Jan Hubicka  <jh@suse.cz>
6171             Andrew Pinski  <pinskia@gmail.com>
6172
6173         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6174         before starting IPA passes.