OSDN Git Service

631441488db6227962a9941fee1eb1ea08c6df7f
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2
3         * c.opt (Waddress): New.
4         * common.opt (Walways-true): Delete.
5         (Wstring-literal-comparison): Delete.
6         * doc/invoke.texi (Warning Options): Delete -Walways-true and
7         -Wstring-literal-comparison. Add -Waddress.
8         (Waddress): New.
9         (Walways-true): Delete.
10         (Wstring-literal-comparison): Delete.
11         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12         consistently instead of -Walways-true in example.
13         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
14         * c-typeck.c (parser_build_binary_op): Replace
15         -Wstring-literal-comparison and -Walways-true with -Waddress.
16         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
17         with -Waddress.
18         
19 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
20
21         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22         without DECL_STRUCT_FUNCTION initialized.
23
24 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
25
26         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
27         due to calls to functions taking pointers as parameters.
28
29 2007-02-19  Richard Henderson  <rth@redhat.com>
30
31         PR debug/29558
32         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
33         in memory.
34
35 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
36
37         * config/s390/s390.c (s390_call_saved_register_used,
38         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
39         accessed to the new scheme.
40
41 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
42
43         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
44         (cris_print_index, cris_print_operand, cris_print_operand_address)
45         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
46         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
47         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
48         GET_CODE () == xxx.
49         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
50         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
51         GO_IF_LEGITIMATE_ADDRESS): Ditto.
52         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
53         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
54         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
55         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
56         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
57         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
58         (uminsi3, call, call_value): Ditto.
59         (define_split: indir_to_reg_split, unnamed): Ditto.
60
61 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
62
63         PR tree-optimization/30975
64         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
65         wrong assert.
66
67 2007-02-18  Eric Christopher  <echristo@gmail.com>
68
69         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
70         Remove use of arglist.
71         (mips_expand_builtin): Remove use of arglist, pass in expr.
72         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
73         (mips_expand_builtin_movtf): Ditto.
74         (mips_expand_builtin_compare): Ditto.
75
76 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
77
78         * tree-sra.c (sra_build_assignment): Replace assertion
79         checking with a comment explaining why it can't be done.
80
81 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
82
83         PR middle-end/30833
84         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
85         during CALL_EXPR representation conversion.
86         * tree-ssa-propagate.c (set_rhs): Likewise.
87
88 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
89
90         * tree-sra.c (sra_build_assignment): Disable assertion checking
91         for now.
92
93 2007-02-18  Roger Sayle  <roger@eyesopen.com>
94
95         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
96         instead of calling build2 with a GIMPLE_MODIFY_STMT.
97         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
98         Likewise.
99         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
100         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
101         gimplify_init_ctor_eval_range, gimple_push_cleanup,
102         gimplify_omp_for, gimplify_omp_atomic_pipeline,
103         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
104         force_gimple_operand): Likewise.
105         * ipa-cp.c (constant_val_insert): Likewise.
106         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
107         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
108         perfect_nestify): Likewise.
109         * langhooks.c (lhd_omp_assignment): Likewise.
110         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
111         lower_copyprivate_clauses, lower_send_clauses,
112         lower_send_shared_vars, expand_parallel_call,
113         expand_omp_for_generic, expand_omp_for_static_nochunk,
114         expand_omp_for_static_chunk, expand_omp_sections,
115         lower_omp_single_copy, lower_omp_for_lastprivate,
116         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
117         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
118         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
119         Likewise.
120
121 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
122
123         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
124         config/sh/sh.md: Follow spelling conventions.
125
126         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
127         config/frv/predicates.md: Follow spelling conventions.
128
129         * config/m68k/linux-unwind.h: Fix a comment typo.
130         * target.h: Follow spelling conventions.
131
132 2007-02-18  Roger Sayle  <roger@eyesopen.com>
133
134         PR rtl-optimization/28173
135         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
136         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
137         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
138         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
139         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
140
141 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
142
143         * builtins.c (fold_builtin_load_exponent): New.
144         (fold_builtin_2): Use it.
145
146 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
147
148         PR rtl-optimization/30773
149         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
150         if we fail to attach a REG_EQUIV note.
151
152 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
153             Roger Sayle  <roger@eyesopen.com>
154
155         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
156
157 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
158
159         * calls.c (initialize_argument_information): Pass original EXP
160         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
161         code to split complex arguments here, as part of initializing the
162         ARGS array.
163         (expand_call): Remove code that builds a list of arguments and
164         inserts implicit arguments into it.  Instead, just count how many
165         implicit arguments there will be so we can determine the size of
166         the ARGS array, and let initialize_argument_information do the work.
167         (split_complex_values): Delete unused function.
168
169 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
170
171         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
172
173 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
174
175         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
176         for arg pointer based indexed addressing.
177
178 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
179
180         * config/ia64/ia64.h, config/ia64/ia64.md,
181         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
182         spelling conventions.
183
184 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
185
186         * config/m68k/m68k.c (split_di): New.
187         * config/m68k/m68k-protos.h: Declare split_di.
188         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
189           Improve predicate handling and split constant shifts.
190
191 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
192
193         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
194         parameter for register bitfield operations, general predicates
195         cleanup
196
197 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
198
199         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
200         * config/m68k/linux-unwind.h: New file.
201
202 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
203
204         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
205         config/i386/athlon.md, config/ia64/ia64.md,
206         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
207         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
208         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
209         tree-ssa-loop-niter.c, tree-vect-analyze.c,
210         tree-vect-transform.c: Fix comment typos.
211
212 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
213
214         * sched-deps.c (find_insn_list): Remove.
215         * sched-int.h: Remove the prototype for find_insn_list.
216
217 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
218
219         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
220         to linker.
221         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
222         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
223         darwin_rs6000_override_options.
224         (C_COMMON_OVERRIDE_OPTIONS): Expect
225         darwin_macosx_version_min to be non-NULL always.
226         (TARGET_C99_FUNCTIONS): Likewise.
227         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
228         (DARWIN_MINVERSION_SPEC): New.
229         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
230         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
231         to cc1*.
232         (DARWIN_MINVERSION_SPEC): New.
233         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
234         value.
235         * config/darwin-c.c (darwin_cpp_builtins): Expect
236         darwin_macosx_version_min to be non-NULL always.
237
238         * config/rs6000/rs6000.c: Clean up trailing whitespace.
239
240 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
241
242         * config/i386/i386.h (x86_use_xchgb): New.
243         (TARGET_USE_XCHGB): New macro.
244         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
245         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
246         Split after reload into bswaphi for shifts of 8.
247         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
248         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
249         or when optimizing for size.
250
251 2007-02-16  Richard Guenther  <rguenther@suse.de>
252             Christian Bruel  <christian.bruel@st.com>
253
254         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
255         DECLs but prefer SSA_NAMEs over DECLs.
256
257 2007-02-16  Richard Guenther  <rguenther@suse.de>
258
259         * tree-flow-inline.h (single_imm_use_p): Remove.
260         (zero_imm_uses_p): Likewise.
261         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
262         instead of single_imm_use_p.
263         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
264         zero_imm_uses_p.
265
266 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
267
268         PR other/27843
269         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
270         nested double- and backquotes.
271
272 2007-02-15  Roger Sayle  <roger@eyesopen.com>
273
274         PR middle-end/30391
275         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
276         should be unreachable.
277         (build2_stat): Allow construction of MODIFY_EXPR at any time.
278         For the time being redirect GIMPLE_MODIFY_STMT to the new
279         (renamed) build_gimple_modify_stmt_stat.
280         (build2_gimple_stat): Rename to...
281         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
282         Always build a GIMPLE_MODIFY_STMT node.
283         * tree.h (build2_gimple, build2_gimple_stat): Delete.
284         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
285         declarations.
286
287         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
288         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
289         * tree-complex.c (set_component_ssa_name, expand_complex_move,
290         expand_complex_div_wide): Likewise.
291         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
292         * tree-ssa-loop-im.c (schedule_sm): Likewise.
293         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
294         * tree-ssa-loop-manip.c (create_iv): Likewise.
295         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
296         abs_replacement): Likewise.
297         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
298         realify_fake_stores): Likewise.
299
300         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
301         node rather than a GIMPLE_MODIFY_STMT node.
302         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
303         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
304         Likewise.
305         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
306         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
307         GIMPLE_MODIFY_STMT.
308
309 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
310
311         PR middle-end/30433
312         * fold-const.c (fold_comparison): Add back the
313         folding of constant complex comparisions.
314
315 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
316
317         PR middle-end/30729
318         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
319         effects unknown to this function, return early.
320
321 2007-02-15  Ian Lance Taylor  <iant@google.com>
322
323         * lower-subreg.c (move_eh_region_note): New static function.
324         (resolve_simple_move): Call it.
325         (decompose_multiword_subregs): Track blocks for which we resolve a
326         simple move which is also a control flow insn.  Pass them to
327         find_many_sub_basic_blocks.
328         (pass_lower_subreg): Add TODO_verify_flow.
329         (pass_lower_subreg2): Likewise.
330
331 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
332             Brooks Moses  <brooks.moses@codesourcery.com>
333             Lee Millward  <lee.millward@codesourcery.com>
334
335         * tree.h (enum tree_code_class): Add tcc_vl_exp.
336         (VL_EXP_CLASS_P): New.
337         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
338         TREE_CODE_LENGTH.
339         (TREE_OPERAND_CHECK_CODE): Likewise.
340         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
341         (TREE_RTL_OPERAND_CHECK): Likewise.
342         (tree_operand_check_failed): Make second parameter the whole tree
343         instead of its code.  Fixed callers.
344         (VL_EXP_CHECK): New.
345         (TREE_OPERAND_LENGTH): New.
346         (VL_EXP_OPERAND_LENGTH): New.
347         (CALL_EXPR_FN): New.
348         (CALL_EXPR_STATIC_CHAIN): New.
349         (CALL_EXPR_ARGS): New.
350         (CALL_EXPR_ARG): New.
351         (call_expr_nargs): New.
352         (CALL_EXPR_ARGP): New.
353         (build_nt_call_list): Declare.
354         (build_vl_exp_stat): Declare.
355         (build_vl_exp): New.
356         (build_call_list): Declare.
357         (build_call_nary): Declare.
358         (build_call_valist): Declare.
359         (build_call_array): Declare.
360         (call_expr_arg): Declare.
361         (call_expr_argp): Declare.
362         (call_expr_arglist): Declare.
363         (fold_build_call_list): Declare.
364         (fold_build_call_list_initializer): Declare.
365         (fold_call_expr): Declare to replace fold_builtin.
366         (fold_builtin_fputs): Update to agree with modified definition.
367         (fold_builtin_strcpy): Likewise.
368         (fold_builtin_strncpy): Likewise.
369         (fold_builtin_memory_chk): Likewise.
370         (fold_builtin_stxcpy_chk): Likewise.
371         (fold_builtin_strncpy_chk): Likewise.
372         (fold_builtin_next_arg): Likewise.
373         (fold_build_call_expr): Declare.
374         (fold_builtin_call_list): Declare.
375         (fold_builtin_call_valist): Declare.
376         (build_call_expr): Declare.
377         (validate_arglist): Update to agree with modified definition.
378         (tree_operand_length): New.
379         (call_expr_arg_iterator): New.
380         (init_call_expr_arg_iterator): New.
381         (next_call_expr_arg): New.
382         (first_call_expr_arg): New.
383         (more_call_expr_args_p): New.
384         (FOR_EACH_CALL_EXPR_ARG): New.
385
386         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
387         and tcc_gimple_stmt.
388         (tree_code_size): Update documentation.  Use sizeof (tree) rather
389         than sizeof (char *).
390         (tree_size): Likewise.  Add case for tcc_vl_exp.
391         (tree_node_structure): Add case for tcc_vl_exp.
392         (contains_placeholder_p): Likewise.
393         (substitute_in_expr): Likewise.
394         (substitute_placeholder_in_expr): Likewise.
395         (stabilize_reference_1): Likewise.
396         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
397         to diagnose breakage of this interface for constructing CALL_EXPRs.
398         (build_nt): Add similar assertion here.
399         (build_nt_call_list): New.
400         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
401         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
402         TREE_CODE_LENGTH.
403         (get_callee_fndecl): Use new CALL_EXPR accessors.
404         (tree_operand_check_failed): Change parameters to pass entire node
405         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
406         (process_call_operands): New.
407         (build_vl_exp_stat): New.
408         (build_call_list): New.
409         (build_call_nary): New.
410         (build_call_valist): New.
411         (build_call_array): New.
412         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
413         (call_expr_arglist): New.
414
415         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
416         tcc_vl_exp instead of a fixed-size tcc_expression.
417
418         * doc/c-tree.texi (CALL_EXPR): Document new representation and
419         accessors for CALL_EXPRs.
420         (AGGR_INIT_EXPR): Likewise.
421
422 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
423             Brooks Moses  <brooks.moses@codesourcery.com>
424             Lee Millward  <lee.millward@codesourcery.com>
425
426         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
427         (expand_builtin_nonlocal_goto): Change parameter to be entire
428         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
429         (expand_builtin_prefetch): Likewise.
430         (expand_builtin_classify_type): Likewise.
431         (mathfn_built_in): Return NULL_TREE instead of 0.
432         (expand_errno_check): Use new CALL_EXPR accessors.
433         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
434         Return NULL_RTX instead of 0.
435         (expand_builtin_mathfn_2): Likewise.
436         (expand_builtin_mathfn_3): Likewise.
437         (expand_builtin_interclass_mathfn): Likewise.
438         (expand_builtin_sincos): Likewise.
439         (expand_builtin_cexpi): Likewise.
440         (expand_builtin_int_roundingfn): Likewise.
441         (expand_builtin_int_roundingfn_2): Likewise.
442         (expand_builtin_pow): Likewise.
443         (expand_builtin_powi): Likewise.
444         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
445         of arglist, fixing callers appropriately.  Use new CALL_EXPR
446         accessors and constructors.  Return NULL_RTX instead of 0.
447         (expand_builtin_strstr): Likewise.
448         (expand_builtin_strchr): Likewise.
449         (expand_builtin_strrchr): Likewise.
450         (expand_builtin_strpbrk): Likewise.
451         (expand_builtin_memcpy): Likewise.
452         (expand_builtin_mempcpy): Likewise.
453         (expand_builtin_mempcpy_args): New.
454         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
455         (expand_builtin_memmove_args): New.
456         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
457         (expand_movstr): Likewise.
458         (expand_builtin_strcpy): Likewise.
459         (expand_builtin_strcpy_args): New.
460         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
461         (expand_builtin_strncpy): Likewise.
462         (expand_builtin_memset): Likewise.
463         (expand_builtin_memset_args): New.
464         (expand_builtin_bzero): Similarly to expand_builtin_memset.
465         (expand_builtin_memcmp): Likewise.
466         (expand_builtin_strcmp): Likewise.
467         (expand_builtin_strncmp): Likewise.
468         (expand_builtin_strcat): Likewise.
469         (expand_builtin_strncat): Likewise.
470         (expand_builtin_strspn): Likewise.
471         (expand_builtin_strcspn): Likewise.
472         (expand_builtin_args_info): Likewise.
473         (expand_builtin_va_start): Likewise.
474         (gimplify_va_arg_expr): Likewise.
475         (expand_builtin_va_end): Likewise.
476         (expand_builtin_va_copy): Likewise.
477         (expand_builtin_frame_address): Likewise.
478         (expand_builtin_alloca): Likewise.
479         (expand_builtin_bswap): Likewise.
480         (expand_builtin_unop): Likewise.
481         (expand_builtin_fputs): Likewise.
482         (expand_builtin_expect): Likewise.
483         (expand_builtin_fabs): Likewise.
484         (expand_builtin_copysign): Likewise.
485         (expand_builtin_printf): Likewise.
486         (expand_builtin_fprintf): Likewise.
487         (expand_builtin_sprintf): Likewise.
488         (expand_builtin_init_trampoline): Likewise.
489         (expand_builtin_signbit): Likewise.
490         (expand_builtin_fork_or_exec): Likewise.
491         (expand_builtin_sync_operation): Likewise.
492         (expand_builtin_compare_and_swap): Likewise.
493         (expand_builtin_lock_test_and_set): Likewise.
494         (expand_builtin_lock_release): Likewise.
495         (expand_builtin): Likewise.
496         (builtin_mathfn_code): Likewise.
497
498         (fold_builtin_constant_p): Pass call arguments individually instead
499         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
500         accessors and constructors.  Return NULL_TREE instead of 0.
501         (fold_builtin_expect): Likewise.
502         (fold_builtin_classify_type): Likewise.
503         (fold_builtin_strlen): Likewise.
504         (fold_builtin_nan): Likewise.
505         (integer_valued_real_p): Likewise.
506         (fold_trunc_transparent_mathfn): Likewise.
507         (fold_fixed_mathfn): Likewise.
508         (fold_builtin_cabs): Likewise.
509         (fold_builtin_sqrt): Likewise.
510         (fold_builtin_cbrt): Likewise.
511         (fold_builtin_cos): Likewise.
512         (fold_builtin_cosh): Likewise.
513         (fold_builtin_tan): Likewise.
514         (fold_builtin_sincos): Likewise.
515         (fold_builtin_cexp): Likewise.
516         (fold_builtin_trunc): Likewise.
517         (fold_builtin_floor): Likewise.
518         (fold_builtin_ceil): Likewise.
519         (fold_builtin_round): Likewise.
520         (fold_builtin_int_roundingfn): Likewise.
521         (fold_builtin_bitop): Likewise.
522         (fold_builtin_bswap): Likewise.
523         (fold_builtin_logarithm): Likewise.
524         (fold_builtin_hypot): Likewise.
525         (fold_builtin_pow): Likewise.
526         (fold_builtin_powi): Likewise.
527         (fold_builtin_exponent): Likewise.
528         (fold_builtin_memset): Likewise.
529         (fold_builtin_bzero): Likewise.
530         (fold_builtin_memory_op): Likewise.
531         (fold_builtin_bcopy): Deleted; call site changed to invoke
532         fold_builtin_memory_op directly.
533         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
534         (fold_builtin_strncpy): Likewise.
535         (fold_builtin_memcmp): Likewise.
536         (fold_builtin_strcmp): Likewise.
537         (fold_builtin_strncmp): Likewise.
538         (fold_builtin_signbit): Likewise.
539         (fold_builtin_copysign): Likewise.
540         (fold_builtin_isascii): Likewise.
541         (fold_builtin_toascii): Likewise.
542         (fold_builtin_isdigit): Likewise.
543         (fold_builtin_fabs): Likewise.
544         (fold_builtin_abs): Likewise.
545         (fold_builtin_fmin_fmax): Likewise.
546         (fold_builtin_carg): Likewise.
547         (fold_builtin_classify): Likewise.
548         (fold_builtin_unordered_cmp): Likewise.
549
550         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
551         New functions split out from fold_builtin_1.
552         (fold_builtin_n): New.
553         (fold_builtin_varargs): New.
554         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
555         instead.
556         (fold_call_expr): New.
557         (build_function_call_expr): Rewrite to use new helper function.
558         (fold_builtin_call_list): New.
559         (build_call_expr): New.
560         (fold_builtin_call_valist): New.
561         (rewrite_call_expr): New.
562         (validate_arg): New.
563         (validate_arglist): Change parameter to be entire CALL_EXPR instead
564         of an arglist.  Change return type to bool.  Use new CALL_EXPR
565         accessors.
566
567         (fold_builtin_strstr):  Pass call arguments individually instead
568         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
569         accessors and constructors.  Return NULL_TREE instead of 0.
570         (fold_builtin_strchr): Likewise.
571         (fold_builtin_strrchr): Likewise.
572         (fold_builtin_strpbrk): Likewise.
573         (fold_builtin_strcat): Likewise.
574         (fold_builtin_strncat): Likewise.
575         (fold_builtin_strspn): Likewise.
576         (fold_builtin_strcspn): Likewise.
577         (fold_builtin_fputs): Likewise.
578         (fold_builtin_next_arg): Likewise.
579         (fold_builtin_sprintf): Likewise.
580
581         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
582         NULL_RTX instead of 0.
583         (expand_builtin_memory_chk): Likewise.
584         (maybe_emit_chk_warning): Likewise.
585         (maybe_emit_sprintf_chk_warning): Likewise.
586
587         (fold_builtin_object_size): Pass call arguments individually instead
588         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
589         accessors and constructors.  Return NULL_TREE instead of 0.
590         (fold_builtin_memory_chk): Likewise.
591         (fold_builtin_stxcpy_chk): Likewise.
592         (fold_builtin_strncpy_chk): Likewise.
593         (fold_builtin_strcat_chk): Likewise.
594         (fold_builtin_strcat_chk): Likewise.
595         (fold_builtin_strncat_chk): Likewise.
596         (fold_builtin_sprintf_chk): Likewise.
597         (fold_builtin_snprintf_chk): Likewise.
598         (fold_builtin_printf): Likewise.
599         (fold_builtin_vprintf): Likewise.
600
601         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
602         constructors.
603         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
604         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
605         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
606         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
607         (fold_unary): Likewise.
608         (fold_binary): Likewise.
609         (fold_ternary): Remove CALL_EXPR case, since they are no longer
610         ternary expressions.
611         (fold): Add logic for tcc_vl_exp.
612         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
613         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
614         (fold_build3_stat): Add assertion to flag broken interface for
615         constructing CALL_EXPRs.
616         (fold_build_call_list): New.
617         (fold_build_call_list_initializer): New.
618         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
619         constructors.
620         (fold_strip_sign_ops): Likewise.
621
622 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
623             Brooks Moses  <brooks.moses@codesourcery.com>
624             Lee Millward  <lee.millward@codesourcery.com>
625
626         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
627         accessors and dump arguments explicitly.
628
629         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
630         TREE_CODE_LENGTH.
631         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
632         explicitly.
633         (print_call_name): Use new CALL_EXPR accessors.
634
635         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
636         CALL_EXPR arguments explicitly instead of as a list.  Use
637         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
638
639         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
640         (vrp_visit_stmt): Likewise.
641
642         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
643         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
644         TREE_CODE_LENGTH.
645         (force_move_till_expr): Likewise.
646
647         * targhooks.c (default_external_stack_protect_fail): Use
648         build_call_expr instead of build_function_call_expr.
649         (default_hidden_stack_protect_fail): Likewise.
650
651         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
652         build the call.
653
654         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
655         and walk arguments explicitly.
656
657         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
658         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
659         (expand_simple_operations): Likewise.
660         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
661
662         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
663         of TREE_CODE_LENGTH.
664         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
665
666         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
667         instead of TREE_CODE_LENGTH.
668
669         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
670         (tree_ic_transform): Likewise.
671         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
672         parameter instead of arglist.  Fix callers.
673         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
674         (tree_stringops_transform): Likewise.
675         (tree_indirect_call_to_profile): Likewise.
676         (tree_stringops_values_to_profile): Likewise.
677
678         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
679         (eliminate_tail_call): Likewise.
680
681         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
682
683         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
684         Use TREE_OPERAND_LENGTH and generalize to handle any number of
685         operands.
686         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
687
688         * omp-low.c (build_omp_barrier): Use build_call_expr.
689         (lower_rec_input_clauses): Likewise.
690         (lower_reduction_clauses): Likewise.
691         (expand_parallel_call): Likewise.
692         (maybe_catch_exception): Likewise.
693         (expand_omp_for_generic): Likewise.
694         (expand_omp_for_static_nochunk): Likewise.
695         (expand_omp_sections): Likewise.
696         (lower_omp_single_simple): Likewise.
697         (lower_omp_single_copy): Likewise.
698         (lower_omp_master): Likewise.
699         (lower_omp_ordered): Likewise.
700         (lower_omp_critical): Likewise.
701
702         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
703         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
704
705         * tree-gimple.c (is_gimple_call_addr): Fix doc.
706         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
707         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
708
709         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
710         and generalize to handle any number of operands.
711         (chrec_contains_undetermined): Likewise.
712         (tree_contains_chrecs): Likewise.
713         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
714
715         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
716
717         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
718         fold_call_expr instead of fold_builtin.
719         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
720         match declarations there.
721         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
722         updates.
723
724         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
725         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
726
727         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
728         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
729
730         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
731         accessors.
732
733         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
734         (execute_cse_sincos): Use new CALL_EXPR accessors.
735
736         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
737
738         * gimple-low.c (lower_function_body): Use build_call_expr.
739         (lower_builtin_setjmp): Likewise.
740
741         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
742         (set_storage_via_libcall): Likewise.
743         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
744         instead of TREE_CODE_LENGTH.
745         (expand_expr_real_1): Use new CALL_EXPR accessors.
746
747         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
748         generalize to handle any number of operands.
749         (TB_parent_eq): Likewise.
750
751         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
752         (strip_builtin_expect): Likewise.
753
754         * function.c (gimplify_parameters): Use build_call_expr.
755
756         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
757         instead of TREE_CODE_LENGTH.
758
759         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
760         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
761
762         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
763         iterators.
764
765         * gimplify.c (build_stack_save_restore): Use build_call_expr.
766         (gimplify_decl_expr): Likewise.
767         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
768         Use new CALL_EXPR iterators.
769         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
770         (gimplify_modify_expr_to_memset): Likewise.
771         (gimplify_variable_sized_compare): Likewise.
772         (gimplify_omp_atomic_fetch_op): Likewise.
773         (gimplify_omp_atomic_pipeline): Likewise.
774         (gimplify_omp_atomic_mutex): Likewise.
775         (gimplify_function_tree): Likewise.
776
777         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
778         (call_expr_flags): Likewise.
779         (expand_call): Likewise.
780
781         * except.c (expand_builtin_eh_return_data_regno): Pass entire
782         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
783         accessors.
784
785         * coverage.c (create_coverage): Use build_call_expr.
786
787         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
788         (temp_call_expr_obstack): New.
789         (pool_copy_list): Delete.
790         (temp_copy_call_expr): New.
791         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
792         CALL_EXPR accessors.  Get rid of special goo for copying argument
793         lists and use temp_copy_call_expr instead.
794         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
795         CALL_EXPR accessors.
796         (create_expression_by_pieces): Likewise.  Use build_call_array
797         to construct the result instead of fold_build3.
798         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
799         dealing with argument lists.
800         (init_pre): Remove references to expression_node_pool and
801         list_node_pool.  Init temp_call_expr_obstack instead.
802         (fini_pre): Remove references to expression_node_pool and
803         list_node_pool.
804
805         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
806         and walk arguments explicitly instead of as a list.
807
808         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
809         (mx_register_decls): Likewise.
810         (mudflap_register_call): Likewise.
811         (mudflap_finish_file): Likewise.
812
813         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
814         (ipa_callsite_compute_param): Likewise.
815
816         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
817         accessors and constructor.
818
819         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
820         accessors and constructor.
821         (convert_tramp_reference): Likewise.
822         (convert_call_expr): Likewise.
823         (finalize_nesting_tree_1): Likewise.
824
825         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
826         accessors.
827
828         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
829
830         * tree-inline.c (initialize_inlined_parameters): Pass entire
831         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
832         accessors.
833         (estimate_num_insns_1): Use new CALL_EXPR accessors.
834         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
835
836         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
837         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
838         (vectorizable_reduction): Likewise.
839         (vectorizable_call): Use new CALL_EXPR iterators.
840         (vectorizable_conversion): Use build_call_expr.
841         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
842         (vect_gen_widened_results_half): Use build_call_expr.
843         (vect_setup_realignment): Likewise.
844         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
845
846         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
847         (pass_through_call): Likewise.
848         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
849         fold_builtin.
850
851         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
852         (tree_gen_pow2_profiler): Likewise.
853         (tree_gen_one_value_profiler): Likewise.
854         (tree_gen_ic_func_profiler): Likewise.
855         (tree_gen_average_profiler): Likewise.
856         (tree_gen_ior_profiler): Likewise.
857
858         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
859         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
860         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
861
862         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
863         of TREE_CODE_LENGTH.
864
865         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
866         of TREE_CODE_LENGTH.
867
868         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
869         constructor.
870         (convert_to_integer): Likewise.
871
872         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
873         accessors.
874
875 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
876             Brooks Moses  <brooks.moses@codesourcery.com>
877             Lee Millward  <lee.millward@codesourcery.com>
878
879         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
880         accessors.
881         * config/frv/frv.c (frv_expand_builtin): Likewise.
882         * config/s390/s390.c (s390_expand_builtin): Likewise.
883
884         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
885         (sparc_expand_builtin): Use new CALL_EXPR accessors.
886
887         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
888         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
889         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
890         (ix86_expand_store_builtin): Likewise.
891         (ix86_expand_unop_builtin): Likewise.
892         (ix86_expand_unop1_builtin): Likewise.
893         (ix86_expand_sse_compare): Likewise.
894         (ix86_expand_sse_comi): Likewise.
895         (ix86_expand_vec_init_builtin): Likewise.
896         (ix86_expand_vec_ext_builtin): Likewise.
897         (ix86_expand_vec_set_builtin): Likewise.
898         (ix86_expand_builtin): Use new CALL_EXPR accessors.
899
900         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
901         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
902
903         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
904         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
905         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
906
907         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
908         build_call_expr.
909         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
910         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
911         arglist.  Use new CALL_EXPR accessors.  Fix callers.
912         (altivec_expand_abs_builtin): Likewise.
913         (rs6000_expand_binop_builtin): Likewise.
914         (altivec_expand_predicate_builtin): Likewise.
915         (altivec_expand_lv_builtin): Likewise.
916         (spe_expand_stv_builtin): Likewise.
917         (altivec_expand_stv_builtin): Likewise.
918         (rs6000_expand_ternop_builtin): Likewise.
919         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
920         (altivec_expand_st_builtin): Likewise.
921         (altivec_expand_dst_builtin): Likewise.
922         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
923         arglist.  Use new CALL_EXPR accessors.  Fix callers.
924         (altivec_expand_vec_set_builtin): Likewise.
925         (altivec_expand_vec_ext_builtin): Likewise.
926         (altivec_expand_builtin): Use new CALL_EXPR accessors.
927         (spe_expand_builtin): Likewise.
928         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
929         arglist.  Use new CALL_EXPR accessors.  Fix callers.
930         (spe_expand_evsel_builtin): Likewise.
931         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
932         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
933
934         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
935         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
936         (arm_expand_unop_builtin): Likewise.
937         (arm_expand_builtin): Use new CALL_EXPR accessors.
938
939         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
940         accessors.
941
942         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
943         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
944         (bfin_expand_unop_builtin): Likewise.
945         (bfin_expand_builtin): Use new CALL_EXPR accessors.
946
947 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
948             Brooks Moses  <brooks.moses@codesourcery.com>
949             Lee Millward  <lee.millward@codesourcery.com>
950
951         * c-semantics.c (build_stmt): Add internal diagnostic check.
952
953         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
954         accessors.  Print arguments explicitly instead of as a list.
955
956         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
957
958         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
959         (c_finish_omp_flish): Likewise.
960
961         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
962         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
963         instead of TREE_CODE_LENGTH.
964         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
965         (c_warn_unused_result): Likewise.
966
967 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
968
969         PR c/26494
970         * doc/invoke.texi (Warning Options): Remove
971         -Werror-implicit-function-declaration.
972         (Wimplicit-function-declaration): Update description.
973         * opts.c (common_handle_option): Move handling of -Werror=* to...
974         (enable_warning_as_error): ...here.
975         * opts.h (enable_warning_as_error): Declare.
976         * c-decl.c (implicit_decl_warning): Unless
977         -Wno-implicit-function-declaration is given, emit a pedwarn if
978         -std=c99 or emit a warning if -Wimplicit-function-declaration.
979         * c.opt (Wimplicit-function-declaration): Replace
980         mesg_implicit_function_declaration with
981         warn_implicit_function_declaration.
982         * c-opts.c (c_common_handle_option):
983         -Werror-implicit-function-declaration is exactly equal as
984         -Werror=implicit-function-declaration.
985         (set_Wimplicit): Replace mesg_implicit_function_declaration with
986         warn_implicit_function_declaration.
987         (c_common_post_options): -Wimplict-function-declaration is enabled
988         by default by -std=c99, otherwise is disabled by default.
989         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
990
991 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
992
993         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
994         DECL on the rhs to a DECL on the lhs for debug info purposes if the
995         former is ignored but not the latter.
996
997 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
998
999         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1000         is made and the reference doesn't use the alias set of its type,
1001         do not create the temporary using that type.
1002
1003 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1004
1005         * jump.c: Remove prototypes for delete_computation and
1006         delete_prior_computation.
1007
1008 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1009
1010         * jump.c (get_label_after): Delete.
1011         (get_label_before, delete_computation, delete_jump,
1012         delete_prior_computation, follow_jumps): Move...
1013         * reorg.c (delete_computation, delete_prior_computation): ... here...
1014         (get_label_before, delete_jump): ... making these static ...
1015         (follow_jumps): ... and simplifying this since it only runs after
1016         reload.
1017         * rtl.h (get_label_after, get_label_before, delete_jump,
1018         follow_jumps): Delete prototypes.
1019
1020 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1021
1022         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1023
1024 2007-02-15  Nick Clifton  <nickc@redhat.com>
1025
1026         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1027         order to prevent it from being munged by the target.
1028
1029 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         * config/i386/i386.md: Remove misleading comment.
1032
1033 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1034
1035         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1036         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1037         invalid patterns.
1038
1039 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1040
1041         * tree-sra.c (instantiate_missing_elements): Canonicalize
1042         bit-field types.
1043         (sra_build_assignment): New.
1044         (generate_copy_inout, generate_element_copy,
1045         generate_element_zero, generate_one_element_init): Use it.
1046
1047 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1048
1049         * tree-sra.c (instantiate_missing_elements): Canonicalize
1050         bit-field types.
1051         (sra_build_assignment): New.
1052         (generate_copy_inout, generate_element_copy,
1053         generate_element_zero, generate_one_element_init): Use it.
1054
1055 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1056
1057         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1058         limbo die nodes.
1059
1060 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1061
1062         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1063         types as aggregates not scalars.
1064         * function.c (assign_stack_temp_for_type): Likewise.
1065
1066 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1067             Zdenek Dvorak  <dvorakz@suse.cz>
1068
1069         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1070         name.
1071
1072 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1073
1074         * passes.c (next_pass_1): Clear the next field of the copied
1075         pass structure.
1076
1077 2007-02-14  Richard Henderson  <rth@redhat.com>
1078
1079         * tree-sra.c (early_sra): New.
1080         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1081         (tree_sra_early, pass_sra_early): New.
1082         * tree-pass.h (pass_sra_early): Declare.
1083         * passes.c (init_optimization_passes): Use it.
1084
1085 2007-02-14  Richard Guenther  <rguenther@suse.de>
1086
1087         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1088
1089 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1090
1091          PR tree-optimization/30771
1092         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1093         also phi nodes.
1094         (vect_analyze_operations): Induction phis can now be marked as
1095         used_in_loop.
1096         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1097         Update documentation accordingly.
1098
1099 2007-02-14  Nick Clifton  <nickc@redhat.com>
1100
1101         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1102         most 3 arguments are supported.
1103         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1104
1105 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1106
1107         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1108         Ensure dst->current is valid.
1109
1110 2007-02-13  Paul Brook  <paul@codesourcery.com>
1111
1112         * config.gcc: Add arm*-*-uclinux-*eabi.
1113         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1114         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1115         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1116         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1117         (LINK_SPEC): Define.
1118         (LIB_SPEC): Define.
1119         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1120         register.
1121         * config/arm/uclinux-eabi.h: New file.
1122         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1123         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1124         based targets.
1125
1126 2007-02-13  Ian Lance Taylor  <iant@google.com>
1127
1128         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1129         * flags.h (warn_strict_overflow): Declare.
1130         (enum warn_strict_overflow_code): Define.
1131         (issue_strict_overflow_warning): New static inline function.
1132         * opts.c (warn_strict_overflow): New variable.
1133         (common_handle_option): Handle OPT_Wstrict_overflow and
1134         OPT_Wstrict_overflow_.
1135         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1136         OPT_Wall.
1137         * fold-const.c: Include intl.h.
1138         (fold_deferring_overflow_warnings): New static variable.
1139         (fold_deferred_overflow_warning): New static variable.
1140         (fold_deferred_overflow_code): New static variable.
1141         (fold_defer_overflow_warnings): New function.
1142         (fold_undefer_overflow_warnings): New function.
1143         (fold_undefer_and_ignore_overflow_warnings): New function.
1144         (fold_deferring_overflow_warnings_p): New function.
1145         (fold_overflow_warning): New static function.
1146         (make_range): Add strict_overflow_p parameter.  Change all
1147         callers.
1148         (extract_muldiv, extract_muldiv_1): Likewise.
1149         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1150         tree_expr_nonnegative_p.
1151         (fold_negate_expr): Call fold_overflow_warning.
1152         (fold_range_test): Likewise.
1153         (fold_comparison): Likewise.
1154         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1155         instead of tree_expr_nonnegative_p.
1156         (tree_expr_nonnegative_warnv_p): Rename from
1157         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1158         (tree_expr_nonnegative_p): New function.
1159         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1160         strict_overflow_p parameter.
1161         (tree_expr_nonzero_p): New function.
1162         * passes.c (verify_interpass_invariants): New static function.
1163         (execute_one_pass): Call it.
1164         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1165         warnings.
1166         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1167         (estimate_numbers_of_iterations): Likewise.
1168         (scev_probably_wraps_p): Likewise.
1169         * tree-ssa-ccp.c: Include "toplev.h".
1170         (evaluate_stmt): Defer fold overflow warnings until we know we are
1171         going to optimize.
1172         (struct fold_stmt_r_data): Add stmt field.
1173         (fold_stmt_r): Defer fold overflow warnings until we know we
1174         optimized.
1175         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1176         (fold_stmt_inplace): Likewise.
1177         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1178         (cleanup_control_expr_graph): Defer fold overflow warnings until
1179         we know we are going to optimize.
1180         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1181         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1182         Likewise.
1183         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1184         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1185         * tree-ssa-loop-manip.c (create_iv): Likewise.
1186         * c-typeck.c (build_conditional_expr): Likewise.
1187         (build_binary_op): Likewise.
1188         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1189         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1190         (extract_range_from_unary_expr): Likewise.
1191         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1192         assuming that signed overflow does not occur.
1193         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1194         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1195         (fold_defer_overflow_warnings): Declare.
1196         (fold_undefer_overflow_warnings): Declare.
1197         (fold_undefer_and_ignore_overflow_warnings): Declare.
1198         (fold_deferring_overflow_warnings_p): Declare.
1199         (tree_expr_nonzero_warnv_p): Declare.
1200         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1201         of warning options.
1202         (Warning Options): Document -Wstrict-overflow.
1203         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1204         (tree-ssa-ccp.o): Likewise.
1205         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1206         (fold-const.o): Depend on intl.h.
1207
1208 2007-02-13  Ian Lance Taylor  <iant@google.com>
1209
1210         PR middle-end/30751
1211         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1212         addresses.
1213
1214 2007-02-13  Stuart Hastings  <stuart@apple.com>
1215
1216         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1217
1218 2007-02-13  Richard Henderson  <rth@redhat.com>
1219
1220         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1221         handled_component_p before looking for the indirect_ref.
1222
1223 2007-02-13  Richard Henderson  <rth@redhat.com>
1224
1225         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1226         remove flags clobber.
1227         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1228         (bswaphi_lowpart): New.
1229         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1230         remove TARGET_BSWAP test.  Delete expander of the same name.
1231
1232         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1233         (expand_unop): Use them.
1234
1235 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1236
1237         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1238         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1239         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1240         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1241         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1242         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1243         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1244         assembler dialect choice from asm templates.
1245
1246 2007-02-12  Richard Henderson  <rth@redhat.com>
1247
1248         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1249         (fixuns_trunc<SSEMODEF>si2): Use it.
1250         * config/i386/sse.md (vec_setv4sf_0): Export.
1251         * config/i386/i386.c (ix86_build_const_vector): Export.
1252         (ix86_split_convert_uns_si_sse): Rename from
1253         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1254         * config/i386/i386-protos.h: Update.
1255
1256 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1257
1258         PR c/29521
1259         * c-typeck.c (c_finish_return): Improve warning message.
1260
1261 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1262
1263         * alias.c (find_symbolic_term): Delete unused function.
1264
1265 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1268         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1269         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1270
1271 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1272
1273         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1274         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1275         the function, temporarily point the debug interface to the null one.
1276
1277 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1278
1279         * dwarf2out.c (round_up_to_align): New static function.
1280         (field_byte_offset): Use it to round the offset.
1281
1282 2007-02-12  Richard Henderson  <rth@redhat.com>
1283
1284         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1285         (inswl_const): Export.
1286
1287 2007-02-12  Richard Henderson  <rth@redhat.com>
1288
1289         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1290         result mode of the libcall, convert back to outmode.
1291
1292 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1293
1294         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1295         (bswapdi2): New define_expand to implement 32-bit implementation.
1296
1297 2007-02-12  Nick Clifton  <nickc@redhat.com>
1298
1299         * doc/invoke.texi (Overall Options): Document --help=.
1300         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1301         (cc1_options): Pass --help= on to cc1.
1302         (display_help): Add description of --help=.
1303         (process_command): Add code to handle --help=.  Allow translated
1304         --help and --target-help switches to be passed on to compiler
1305         sub-process.
1306         (main): Remove unused if statement.
1307         * opts.c (columns): Remove.
1308         (LEFT_COLUMN): Define.
1309         (wrap_help): Add columns argument.
1310         (print_filtered_help): Change parameters to be an include bitmask,
1311         an exclude bitmask, an any bitmask and the column width.  Move the
1312         code to display the params list here.  Add code to display the
1313         status of options rather than their descriptions if the quiet flag
1314         is not active.
1315         (print_specific_help): Change parameters to be an include bitmask,
1316         an exclude bitmask and an any bitmask.  Move code to look up the
1317         column width here.  Decide upon the title for an options listing.
1318         (common_handle_options): Add code to handle --help=.  Adapt code
1319         for --help and --target-help to use the revised form of the
1320         print_specific_help function.
1321         (print_help): Delete.
1322         (print_param_help): Delete.
1323         (print_switch): Delete.
1324         * opts.h (cl_lang_count): Add prototype.
1325         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1326         CL_MAX_OPTION_CLASS): New defines.
1327         * optc-gen.awk: Add construction of cl_lang_count.
1328         * c.opt: Add Warning attribute to warning options and Optimization
1329         attribute to optimization options.
1330         * common.opt: Likewise.
1331         Add --help=.
1332         Add -fhelp and -ftarget-help as aliases for the transformed --help
1333         and --target-help options.
1334         * opt-functions.awk: Add code to handle Warning and Optimization
1335         attributes.
1336
1337 2007-02-12  Richard Henderson  <rth@redhat.com>
1338
1339         * config/alpha/constraints.md: New file.
1340         * config/alpha/alpha.c: Include tm-constrs.h.
1341         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1342         alpha_extra_constraint): Remove.
1343         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1344         * config/alpha/alpha-protos.h: Update.
1345         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1346         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1347         (EXTRA_CONSTRAINT): Remove.
1348         * config/alpha/alpha.md: Include constraints.md.
1349         (adddi splitter): Use satisfies_constraint_*.
1350         * config/alpha/predicates.md (add_operand): Likewise.
1351         (sext_add_operand, addition_operation): Likewise.
1352
1353 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1354
1355         PR tree-optimization/29145
1356         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1357         in our handling of restrict qualified pointers.
1358
1359 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1360
1361         PR middle-end/7651
1362         * doc/invoke.texi (Wunused-value): Update description.
1363         (Wextra): Delete item.
1364         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1365         value of Wunused-value.
1366         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1367         (c_finish_stmt_expr): Don't check extra_warnings.
1368         (emit_side_effect_warnings): The caller is responsible to check
1369         warn_unused_value.
1370
1371 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1372             Matt Thomas  <matt@3am-software.com>
1373
1374         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1375
1376 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1377
1378         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1379         comparisons of POPCOUNT against zero.
1380         (simplify_const_relational_operation): Likewise.
1381
1382 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1383
1384         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1385
1386 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1387
1388         * dwarf2out.c (root_type): Delete unused function.
1389
1390 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1391
1392         * genattrtab.c (contained_in_p): Delete unused function.
1393         (write_expr_attr_cache): Likewise.
1394
1395 2007-02-11  Jan Hubicka  <jh@suse.cz>
1396
1397         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1398         previous patch.
1399
1400 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1401
1402         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1403         to add the REG_EQ* note.
1404         * see.c (see_merge_one_use_extension): Likewise.
1405         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1406         turn REG_EQUAL notes into REG_EQUIV notes if the target
1407         register may have more than one set.
1408         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1409         * gcse.c (try_replace_reg): Likewise.
1410         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1411         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1412         more than one REG_EQUIV note.
1413         * reload1.c (gen_reload): Use set_unique_reg_note.
1414
1415 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1416
1417         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1418         (ix86_builtin_conversion): New function.
1419
1420 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1421
1422         PR target/29487
1423         * tree.h (DECL_REPLACEABLE_P): New macro.
1424         * except.c (set_nothrow_function_flags): Likewise.
1425
1426 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1427             Ira Rosen  <irar@il.ibm.com>
1428             Dorit Nuzman  <dorit@il.ibm.com>
1429
1430         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1431         * targhooks.c (default_builtin_vectorized_conversion): New.
1432         * targhooks.h (default_builtin_vectorized_function): New declaration.
1433         * target.h (struct vectorize): Add builtin_conversion field.
1434         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1435         stmt_vec_info_type value.
1436         (vectorizable_conversion): New declaration.
1437         * tree-vect-analyze.c (vect_analyze_operations): Add
1438         vectorizable_conversion call.
1439         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1440         * tree-vect-transform.c (vectorizable_conversion): New function.
1441         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1442         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1443         mode.
1444         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1445         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1446         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1447         or ALTIVEC_BUILTIN_VCFSX.
1448
1449 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1450
1451         PR target/30634
1452         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1453         CONST_DOUBLE and operand 0 is a hard register.
1454         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1455         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1456         is a hard floating-point register.
1457
1458 2007-02-10  Richard Henderson  <rth@redhat.com>
1459             Jakub Jelinek  <jakub@redhat.com>
1460             Alexandre Oliva  <aoliva@redhat.com>
1461
1462         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1463         * builtin-types.def (BT_WORD): Make unsigned.
1464         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1465         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1466         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1467         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1468         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1469         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1470         emulated tls.
1471         * expr.c (emutls_var_address): New.
1472         (expand_expr_real_1): Expand emulated tls.
1473         (expand_expr_addr_expr_1): Likewise.
1474         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1475         * output.h (emutls_finish): Declare.
1476         * toplev.c (compile_file): Call it.
1477         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1478         address before wrapping in CONST.
1479         * varasm.c (emutls_htab, emutls_object_type): New.
1480         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1481         (get_emutls_object_name, get_emutls_object_type): New.
1482         (get_emutls_init_templ_addr, emutls_decl): New.
1483         (emutls_common_1, emutls_finish): New.
1484         (assemble_variable): When emulating tls, swap decls; generate
1485         constructor for the emutls objects.
1486         (do_assemble_alias): When emulating tls, swap decl and target name.
1487         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1488         for emulated tls.
1489         * varpool.c (decide_is_variable_needed): Look at force_output.
1490         Recurse for emulated tls.
1491         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1492         with decide_is_variable_needed.
1493         * emutls.c: New file.
1494         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1495         tls_object for real tls.
1496
1497 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1498
1499         PR rtl-optimization/29599
1500         * reload1.c (eliminate_regs_in_insn): Take the destination
1501         mode into account when computing the offset.
1502
1503 2007-02-09  Stuart Hastings  <stuart@apple.com>
1504             Richard Henderson  <rth@redhat.com>
1505
1506         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1507         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1508         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1509         fixuns_truncdfhi2): New.
1510         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1511         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1512         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1513         (floatunssidf2): Allow nonimmediate source.
1514         * gcc/config/i386/sse.md (movdi_to_sse): New.
1515         (vec_concatv2di): Drop '*'.
1516         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1517         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1518         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1519         New.
1520         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1521         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1522         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1523         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1524         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1525         ix86_build_const_vector.
1526         (x86_emit_floatuns): Rewrite.
1527
1528 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1529
1530         * genautomata.c (longest_path_length): Delete unused function.
1531         (struct state): Delete unused longest_path_length.
1532         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1533         (get_free_state): Delete unused.
1534
1535 2007-02-09  Jan Hubicka  <jh@suse.cz>
1536
1537         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1538         * doc/invoke.texi (inline-unit-growth): Update default value.
1539
1540         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1541         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1542         (rebuild_cgraph_edges): Likewise.
1543         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1544         (dump_cgraph_node): Dump frequencies.
1545         (cgraph_clone_edge): Add frequency scales.
1546         (cgraph_clone_node): Add freuqnecy.
1547         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1548         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1549         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1550         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1551         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1552         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1553         (save_inline_function_body): Likewise.
1554         * ipa-inline.c: inluce rtl.h
1555         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1556         (cgraph_edge_badness): Use frequencies.
1557         (cgraph_decide_recursive_inlining): Update clonning.
1558         (cgraph_decide_inlining_of_small_function): Dump frequency.
1559         * predict.c (estimate_bb_frequencies): Export.
1560         * predict.h (estimate_bb_frequencies): Declare.
1561         * tree-inline.c (copy_bb): Watch overflows.
1562         (expand_call_inline): Update call of cgraph_create_edge.
1563         (optimize_inline_calls): Use TODO flags to update frequnecies.
1564         * passes.h: Include predict.h
1565         (init_optimization_passes): Move profile ahead.
1566         (execute_function_todo): Handle TODO_rebuild_frequencies.
1567
1568 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1569
1570         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1571         the insbl or inswl pattern into a register.
1572
1573 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1574
1575         * config/ia64/ia64.md (bswapdi2): New define_insn.
1576
1577 2007-02-09  Richard Henderson  <rth@redhat.com>
1578
1579         * config/i386/constraints.md (Ym): New constraint.
1580         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1581         (movdi_1_rex64): Split sse and xmm general register moves from
1582         memory move alternatives.  Use conditional register constraints.
1583         (movsf_1, movdf_integer): Likewise.
1584         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1585         (movdf_integer_rex64): New.
1586         (pushsf_rex64): Fix output constraints.
1587         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1588         (sse2_stored): Likewise.
1589         (sse2_storeq_rex64): New.
1590         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1591         amd and not generic.
1592         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1593         for optimize_size.  Remove SF/DFmode hack.
1594
1595 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1596
1597         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1598         (bit_SSE4a): New.
1599
1600 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1601             Richard Sandiford  <richard@codesourcery.com>
1602
1603         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1604         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1605         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1606         m68k/t-mlib to tmake_file.
1607         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1608         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1609         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1610         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1611         variable is not empty, add t-$m68k_arch_family to tmake_file.
1612         Add t-mlibs to tmake_file.
1613         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1614         * config/m68k/t-cf: New file.
1615         * config/m68k/t-m68k: Likewise.
1616         * config/m68k/t-mlibs: Likewise.
1617         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1618         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1619         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1620         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1621         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1622         Delete.
1623         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1624         (INSTALL_LIBGCC): Delete.
1625         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1626         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1627         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1628         (M68K_MLIB_CPU): Define.
1629         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1630         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1631         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1632
1633 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1634             Richard Guenther  <rguenther@suse.de>
1635
1636         PR middle-end/23361
1637         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1638         against INT_MIN/INT_MAX.
1639         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1640         file if a loop is removed.
1641
1642 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1643
1644         * calls.c (store_one_arg): Pass correct alignment to
1645         emit_push_insn for non-BLKmode values.
1646         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1647         unaligned stack slot via a suitably aligned slot.
1648
1649 2007-02-08  DJ Delorie  <dj@redhat.com>
1650
1651         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1652         warnings.
1653         (legal_subregs): Use unsigned char, make const.
1654         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1655
1656 2007-02-08  Paul Brook  <paul@codesourcery.com>
1657
1658         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1659         special interworking needed.
1660
1661 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1662
1663         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1664         conditional to __SSE2__.
1665         (Entries below should have been added to first ChangeLog
1666         entry for amdfam10 dated 2007-02-05)
1667         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1668         defined.
1669         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1670         defined.
1671         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1672         defined.
1673
1674 2007-02-08  DJ Delorie  <dj@redhat.com>
1675
1676         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1677         * config/m32c/m32c.c (legal_subregs): New.
1678         (m32c_illegal_subreg_p): New.
1679         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1680         unsupported subregs of hard regs.
1681
1682 2007-02-08  Jan Hubicka  <jh@suse.cz>
1683
1684         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1685         the same one; always update histograms.
1686
1687 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1688
1689         * passes.c (init_optimization_passes): Tidy comment.
1690
1691 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1692
1693         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1694         strip zero_extend, bswap and rotates from POCOUNT's argument.
1695         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1696         zero_extend and rotates from PARITY's argument.
1697         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1698         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1699         of an integer constant at compile-time.
1700
1701 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1702
1703         PR 30562
1704         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1705         Update all users.
1706         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1707         users.
1708         (init_alias_info):
1709         * tree-ssa-live.c (remove_unused_locals): Do not remove
1710         TREE_ADDRESSABLE variables.
1711         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1712         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1713         FOR_CLOBBER.  Update all users.
1714         If VAR has an associated alias set, add a virtual operand for
1715         it if no alias is found to conflict with the memory reference.
1716
1717 2007-02-07  Jan Hubicka  <jh@suse.cz>
1718             Robert Kidd <rkidd@crhc.uiuc.edu>
1719
1720         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1721
1722 2007-02-07  Ian Lance Taylor  <iant@google.com>
1723
1724         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1725
1726 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1727
1728         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1729         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1730         tablejumpdi, movsi_to_cr_one): Remove constraints from
1731         define_expand's match_operands.
1732
1733 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1734
1735         * global.c (compute_regsets): Move declatation of "i" inside of
1736         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1737
1738 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR c++/30703
1741         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1742         of INDIRECT_REF <RESULT_DECL>.
1743
1744         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1745
1746 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
1747             Kaz Kojima  <kkojima@gcc.gnu.org>
1748
1749         PR target/29746
1750         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1751         properly.
1752         (sh_initialize_trampoline): Add parentheses to avoid a warning.
1753
1754 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1755
1756         * doc/loop.texi: Document possibility not to perform disambiguation
1757         of loops with multiple latches.
1758         * cfgloopmanip.c (alp_enum_p): Removed.
1759         (add_loop): Handle subloops.  Use get_loop_body_with_size.
1760         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1761         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1762         the new forwarder block.
1763         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1764         Handle the case latch is NULL.
1765         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1766         when marking loop exits.
1767         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
1768         be modified.
1769         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
1770         disambiguate_loops_with_multiple_latches.
1771         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1772         before fix_loop_structure.
1773         * cfgloop.c: Include pointer-set.h and output.h.
1774         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1775         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1776         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1777         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1778         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1779         disambiguate_multiple_latches, get_loop_body_with_size,
1780         disambiguate_loops_with_multiple_latches): New functions.
1781         (flow_loop_dump): Dump multiple latch edges.
1782         (flow_loop_nodes_find): Handle loops with multiple latches.
1783         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1784         (glb_enum_p): Modified.
1785         (get_loop_body): Use get_loop_body_with_size.
1786         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1787         (AVOID_CFG_MODIFICATIONS): New constant.
1788         (disambiguate_loops_with_multiple_latches, add_loop,
1789         get_loop_body_with_size): Declare.
1790         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1791
1792 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
1793
1794         PR inline-asm/28686
1795         * global.c (compute_regsets): New function.
1796         (global_alloc): Refactored ELIMINABLE_REGSET
1797         and NO_GLOBAL_ALLOC_REGS computation out.
1798         (rest_of_handle_global_alloc): Call compute_regsets()
1799         for non-optimizing case.
1800
1801 2007-02-06  Richard Henderson  <rth@redhat.com>
1802
1803         * config/i386/constraints.md (Y2): Rename from Y.
1804         (Yi): New constraint.
1805         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1806         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1807         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1808         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1809         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1810         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1811         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1812         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1813         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1814         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1815         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1816         vec_extractv2si_1): Change Y constraints to Y2.
1817         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1818         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1819         Change Y constraints to Y2.
1820         (sse2_loadld): Change Y constraints to x.
1821
1822 2007-02-06  Roger Sayle  <roger@eyesopen.com>
1823
1824         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1825         (parity<mode>2): New define_expand using rs6000_emit_parity.
1826         * config/rs6000/rs6000.c (rs6000_emit_popcount,
1827         rs6000_emit_parity): New functions.
1828         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1829         rs6000_emit_parity): Prototype here.
1830
1831 2007-02-06  Ian Lance Taylor  <iant@google.com>
1832
1833         * lower-subreg.c (simple_move_operand): Reject CONST.
1834         (resolve_clobber): Call validate_change rather than directly
1835         assigning to XEXP (pat, 0).
1836
1837 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1838
1839         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1840         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1841         (tree-cfg.o): Remove hashtab.h dependency.
1842
1843         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1844         (struct ivopts_data): Change niters to pointer_map_t.
1845         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1846         (niter_for_exit): Create pointer_map on demand.  Change for
1847         pointer_map API.
1848         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1849         (free_loop_data): Destroy data->niters if created and reset field.
1850         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1851         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1852
1853         * tree-ssa-reassoc.c: Include pointer-set.h.
1854         (bb_rank): Change to long *.
1855         (operand_rank): Change to pointer_map_t.
1856         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
1857         (insert_operand_rank): Accept long.
1858         (operand_entry_hash, operand_entry_eq): Remove.
1859         (get_rank): Return long.  Adjust for changes above.
1860         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
1861         and operand_rank.
1862         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1863
1864         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1865         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1866         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
1867         is not NULL.
1868         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
1869         directly since it cannot be NULL.
1870         (get_vi_for_tree): Rewrite for pointer_map API.
1871         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1872         (init_alias_vars): Create vi_for_tree as pointer_map.
1873         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1874
1875         * tree-cfg.c: Don't include hashtab.h.
1876         (edge_to_cases): Declare as pointer_map.
1877         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1878         Delete.
1879         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1880         (start_recording_case_labels): Create edge_to_cases as pointer_map.
1881         (end_recoding_case_labels): Cleanup edge_to_cases manually before
1882         destroying it.
1883         (record_switch_edge): Delete.
1884         (get_cases_for_edge): Adjust for pointer_map API, inline
1885         record_switch_edge (rewritten for new API), remove goto.
1886
1887 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
1888
1889         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1890         * tree-nested.c: Include pointer-set.h.
1891         (var_map_elt, var_map_eq, var_map_hash): Delete.
1892         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
1893         to pointer_map_t's.
1894         (nesting_info_bitmap_obstack): New.
1895         (lookup_field_for_decl): Adjust for pointer_map API.
1896         (lookup_tramp_for_decl): Adjust for pointer_map API.
1897         (get_nonlocal_debug_decl): Adjust for pointer_map API.
1898         (get_local_debug_decl): Adjust for pointer_map API.
1899         (convert_nl_goto_reference): Adjust for pointer_map API.
1900         (convert_nl_goto_receiver): Adjust for pointer_map API.
1901         (create_nesting_tree): Create outside GGC space.  Create bitmap on
1902         the new obstack.  Create field_map and var_map as pointer_maps.
1903         (free_nesting_tree): Adjust for changes to create_nesting_tree.
1904         (root): Delete.
1905         (lower_nested_functions): Move root here, no need to NULL it.
1906         Initialize and release the obstack.
1907
1908 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
1909
1910         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1911         Remove prototypes and make them non-static.
1912         (struct tree_int_map): Remove.
1913         * tree.h (struct tree_int_map): Move here, turning TO into an
1914         unsigned int.
1915         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1916
1917         * tree.h (TREE_COMPLEXITY): Remove.
1918         (struct tree_exp): Remove complexity field.
1919         * tree.c (build1_stat): Don't set it.
1920
1921 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
1922             Victor Kaplansky  <victork@il.ibm.com>
1923
1924         * tree-vectorizer.c (vect_is_simple_use): Support induction.
1925         (vect_is_simple_reduction): Support reduction with induction as
1926         one of the operands.
1927         (vect_is_simple_iv_evolution): Fix formatting.
1928         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1929         formatting.  Don't mark induction phis for vectorization.
1930         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1931         * tree-vect-transform.c (get_initial_def_for_induction): New function.
1932         (vect_get_vec_def_for_operand): Support induction.
1933         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1934         induction case.
1935         (vectorizable_reduction): Support reduction with induction as one of
1936         the operands.
1937         (vectorizable_type_demotion): Use def-type of stmt argument rather
1938         than dummy def-type.
1939
1940         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1941         flag_tree_scev_cprop.
1942         * common.opt (tree-scev-cprop): New flag.
1943
1944         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1945         call to vect_get_new_vect_var.
1946
1947 2007-02-06  Ira Rosen  <irar@il.ibm.com>
1948
1949         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1950         vectype is not NULL.
1951         (vect_pattern_recog_1): Likewise.
1952
1953 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1954
1955         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1956         (fold_negate_expr): Likewise.
1957
1958 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
1959
1960         PR debug/30189
1961         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1962         even if cv-qualification is the same.
1963
1964 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
1965
1966         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1967         __enable_execute_stack on completion.
1968
1969 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1970
1971         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1972         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1973         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1974         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1975         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1976         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1977         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1978         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1979
1980 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1981
1982         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1983         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1984         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1985         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1986         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1987         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1988         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
1989         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
1990         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
1991         umuldi3_highpart_rex64, umulsi3_highpart_insn,
1992         umulsi3_highpart_zext, smuldi3_highpart_rex64,
1993         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
1994         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
1995         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
1996         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
1997         sqrtextenddfxf2_i387): Added amdfam10_decode.
1998
1999         * config/i386/athlon.md (athlon_idirect_amdfam10,
2000         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2001         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2002         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2003         athlon_ivector_store_amdfam10): New define_insn_reservation.
2004         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2005         amdfam10.
2006
2007 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2008
2009         * config/i386/athlon.md (athlon_call_amdfam10,
2010         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2011         define_insn_reservation.
2012         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2013         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2014         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2015
2016 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2017
2018         * config/i386/athlon.md (athlon_sseld_amdfam10,
2019         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2020         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2021
2022 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2023
2024         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2025         define_insn_reservation.
2026         * config/i386/i386.md (sseins): Added sseins to define_attr type
2027         and define_attr unit.
2028         * config/i386/sse.md: Set type attribute to sseins for insertq
2029         and insertqi.
2030
2031 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2032
2033         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2034         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2035         ssecomi_load_amdfam10, ssecomi_amdfam10,
2036         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2037         define_insn_reservation.
2038         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2039
2040 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2041
2042         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2043         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2044         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2045         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2046         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2047         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2048         define_insn_reservation.
2049
2050         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2051         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2052         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2053         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2054         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2055
2056 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2057
2058         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2059         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2060         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2061         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2062         athlon_ssemul_load_k8): Added amdfam10.
2063
2064 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2065
2066         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2067         (x86_sse_unaligned_move_optimal): New variable.
2068
2069         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2070         m_AMDFAM10.
2071         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2072         for unaligned vector SSE double/single precision loads for AMDFAM10.
2073
2074 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2075
2076         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2077         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2078         Define TARGET_CPU_DEFAULT_amdfam10.
2079         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2080         (processor_type): Add PROCESSOR_AMDFAM10.
2081
2082         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2083         processor_type in config/i386/i386.h.
2084         Enable imul peepholes for TARGET_AMDFAM10.
2085
2086         * config.gcc: Add support for --with-cpu option for amdfam10.
2087
2088         * config/i386/i386.c (amdfam10_cost): New variable.
2089         (m_AMDFAM10): New macro.
2090         (m_ATHLON_K8_AMDFAM10): New macro.
2091         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2092         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2093         x86_promote_QImode, x86_integer_DFmode_moves,
2094         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2095         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2096         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2097         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2098         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2099         Enable/disable for amdfam10.
2100         (override_options): Add amdfam10_cost to processor_target_table.
2101         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2102         processor_alias_table.
2103         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2104         (ix86_adjust_cost): Add code for amdfam10.
2105
2106 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2107
2108         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2109         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2110         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2111         * config/i386/i386.h: Add builtin definition for SSE4A.
2112         * config/i386/i386.md: Add support for ABM instructions
2113         (popcnt and lzcnt).
2114         * config/i386/sse.md: Add support for SSE4A instructions
2115         (movntss, movntsd, extrq, insertq).
2116         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2117         Add -march=amdfam10 flag.
2118         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2119         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2120         and amdfam10.
2121         * doc/extend.texi: Add documentation for SSE4A builtins.
2122
2123 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2124
2125         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2126
2127 2007-02-05  Richard Guenther  <rguenther@suse.de>
2128
2129         * tree-vectorizer.h (vectorizable_function): Add argument type
2130         argument, change return type.
2131         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2132         * tree-vect-transform.c (vectorizable_function): Handle extra
2133         argument, return vectorized function decl.
2134         (build_vectorized_function_call): Remove.
2135         (vectorizable_call): Handle calls with result and argument types
2136         differing.  Handle loop vectorization factor correctly.
2137         * targhooks.c (default_builtin_vectorized_function): Adjust for
2138         extra argument.
2139         * targhooks.h (default_builtin_vectorized_function): Likewise.
2140         * target.h (builtin_vectorized_function): Add argument type
2141         argument.
2142         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2143         extra argument, allow vectorizing of lrintf.
2144         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2145         documentation of target hook.
2146
2147 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2148
2149         PR target/30665
2150         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2151         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2152         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2153
2154 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2155
2156         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2157         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2158         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2159         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2160         before canonicalizing sincos to cexpi.
2161         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2162
2163 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2164
2165         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2166         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2167         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2168
2169 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2170
2171         * mips-tfile.c (initialize_init_file): Correct endianness test.
2172
2173 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2174
2175         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2176         the 'y' constraint.
2177
2178 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2179
2180         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2181         saves in a PARALLEL before the register assignments.
2182
2183 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2184
2185         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2186         DWARF_FRAME_RETURN_COLUMN to be a general register.
2187         * dwarf2out.c (init_return_column_size): New function, split from...
2188         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2189         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2190         to be nongeneral registers.
2191         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2192         integer registers.
2193         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2194         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2195
2196 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2197
2198         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2199
2200 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2201
2202         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2203         (remove_path): Use can_remove_branch_p and remove_branch instead
2204         of loop_delete_branch_edge.
2205         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2206         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2207         Update profile using scale_dominated_blocks_in_loop.
2208         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2209         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2210         (can_remove_branch_p, remove_branch): Declare.
2211         * tree-cfg.c (tree_can_remove_branch_p): New function.
2212         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2213         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2214         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2215
2216 2007-02-05  Jan Hubicka  <jh@suse.cz>
2217
2218         PR middle-end/30696
2219         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2220         nodes in cgraph, don't remove offline copy of the function.
2221
2222 2007-02-04  Jan Hubicka  <jh@suse.cz>
2223
2224         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2225         vectors might cause maybe_lookup_element_for_expr to be called
2226         on non-sra-candidate.
2227
2228 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2229
2230         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2231         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2232         spelling conventions.
2233
2234 2007-02-04  Richard Guenther  <rguenther@suse.de>
2235
2236         PR middle-end/30636
2237         * fold-const.c (try_move_mult_to_index): Make sure to not
2238         overflow one dimension of a multi-dimensional array access.
2239
2240 2007-02-04  Jan Hubicka  <jh@suse.cz>
2241
2242         * passes.c (init_optimization_passes): Reindent.
2243
2244 2007-02-04  Jan Hubicka  <jh@suse.cz>
2245             Eric Botcazou  <ebotcazou@adacore.com>
2246
2247         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2248         (execute_fixup_cfg): Break out the abnormal goto code.
2249         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2250         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2251         (optimize_inline_calls): Call make_nonlocal_label_edges.
2252
2253 2007-02-04  Jan Hubicka  <jh@suse.cz>
2254
2255         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2256         true when something was changed.
2257         (rename_ssa_copies): When something was changed, do
2258         TODO_remove_unused_locals.
2259         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2260         add TODO_remove_unused_locals when instruction was removed.
2261
2262 2007-02-04  Jan Hubicka  <jh@suse.cz>
2263
2264         * ipa-inline.c (try_inline): Improve debug output; work on already
2265         inline edges too.
2266         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2267         call try_inline for already inlined edges too when flattening;
2268         inline also functions that make callee growth but overall unit size
2269         reduce.
2270
2271 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2272
2273         * config/m32c/bitops.md, config/m32c/jump.md,
2274         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2275         config/m32r/m32r.h, config/m32r/m32r.md,
2276         config/m32r/predicates.md, config/m68hc11/larith.asm,
2277         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2278         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2279         config/mips/mips-protos.h, config/mips/mips.c,
2280         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2281         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2282         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2283         spelling conventions.
2284
2285         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2286         Follow spelling conventions.
2287
2288 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2289
2290        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2291        warn about C++0x compatibility.
2292
2293 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2294
2295         * config/h8300/h8300.c, config/h8300/h8300.h,
2296         config/h8300/h8300.md: Follow spelling conventions.
2297
2298 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2299
2300         PR middle-end/30667
2301         * combine.c (try_combine): Do not substitute source operand
2302         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2303
2304 2007-02-03  Jan Hubicka  <jh@suse.cz>
2305
2306         PR gcov-profile/30650
2307         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2308         do not divide by zero for never executed counters.
2309         (tree_find_values_to_profile): Fix counters.
2310         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2311
2312 2007-02-03  Ian Lance Taylor  <iant@google.com>
2313
2314         * lower-subreg.c (simple_move_operand): New static function,
2315         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2316         operands.
2317         (simple_move): Call simple_move_operand.
2318         (find_decomposable_subregs): Add special handling of MEMs.
2319         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2320         meaning of return value.  If we see a hard register, test whether
2321         it can store a word_mode value.  Change all callers.
2322
2323 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2324
2325         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2326         ftrapv insns and expanders.
2327         (subdi3): Change define_expand operand 1 to arith11_operand, and
2328         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2329         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2330         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2331         respectively.
2332
2333         PR middle-end/30174
2334         * varasm.c (notice_global_symbol): Treat global objects as weak when
2335         flag_shlib is true.
2336
2337 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2338
2339         * emit-rtl.c (dconstpi): Delete.
2340         (dconstsqrt2): New.
2341         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2342         * real.h (dconstpi): Delete.
2343         (dconstsqrt2): New.
2344         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2345         (fold_builtin_hypot): Likewise.
2346
2347 2007-02-03  Tom Tromey  <tromey@redhat.com>
2348
2349         PR driver/30246
2350         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2351         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2352
2353 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2354
2355         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2356         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2357         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2358         config/rs6000/cell.md, config/rs6000/darwin.h,
2359         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2360         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2361         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2362         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2363         typos.  Follow spelling conventions.
2364         * doc/invoke.texi: Follow spelling conventions.
2365
2366 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2367
2368         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2369         canonicalization transformations that attempt to simplify integer
2370         constant comparisons to become comparisons against zero.
2371
2372 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2373
2374         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2375         fabs(x)*sqrt(2).
2376         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2377         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2378
2379 2007-02-02  Mike Stump  <mrs@apple.com>
2380
2381         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2382         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2383         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2384         generate a branch island.
2385
2386 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2387
2388         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2389         (xtensa_legitimate_address_p): New.
2390         (xtensa_legitimize_address): New.
2391         (xtensa_output_addr_const_extra): New.
2392         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2393         (BASE_REG_P): New.
2394         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2395         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2396         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2397         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2398         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2399         (xtensa_legitimize_address): New.
2400         (xtensa_output_addr_const_extra): New.
2401
2402 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2403
2404         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2405
2406 2007-02-02  Ian Lance Taylor  <iant@google.com>
2407
2408         * expmed.c (expand_divmod): Add comment.
2409
2410 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2411
2412         * emit-rtl.c (renumber_insns): Remove.
2413         * flags.h: Remove the extern for flag_renumber_insns.
2414         * rtl.h: Remove the prototype for renumber_insns.
2415         * toplev.c (flag_renumber_insns): Remove.
2416
2417 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2418
2419         Revert for x86 darwin:
2420         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2421
2422         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2423         code before the following patch under TARGET_MACHO.
2424         (ix86_function_value_regno_p): Likewise.
2425
2426 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2427
2428         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2429         COMPLEX_EXPR.
2430
2431 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2432
2433         PR target/29682
2434         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2435         general or fp registers.  Add comments.
2436         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2437
2438 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2439
2440         * pointer-set.c (insert_aux): Only return insertion slot.
2441         (pointer_set_insert): Adjust.
2442         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2443         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2444         pointer_map_traverse): New.
2445         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2446         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2447         pointer_map_contains, pointer_map_traverse): Declare.
2448
2449 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2450
2451         PR middle-end/30473
2452         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2453         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2454
2455 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2456
2457         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2458
2459         (struct _dep): New type.
2460         (dep_t): New typedef.
2461         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2462         (DEP_STATUS): New access macro.  The macro with the same name was
2463         renamed to DEP_LINK_STATUS.
2464         (dep_init): Declare function
2465
2466         (struct _dep_link): New type.
2467         (dep_link_t): New typedef.
2468         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2469         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2470         (DEP_LINK_STATUS): New macro.
2471         (debug_dep_links): New debug function.
2472
2473         (struct _deps_list): New type.
2474         (deps_list_t): New typedef.
2475         (DEPS_LIST_FIRST): New access macro.
2476         (FOR_EACH_DEP_LINK): New cycle macro.
2477         (create_deps_list, free_deps_list, delete_deps_list): Declare
2478         functions.
2479         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2480         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2481         (copy_deps_list_change_con): Ditto.
2482
2483         (move_dep_link): Declare function.
2484
2485         (struct _dep_node): New type.
2486         (dep_node_t): New typedef.
2487         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2488
2489         (struct haifa_insn_data.back_deps): New field to hold backward
2490         dependencies of the insn.
2491         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2492         to deps_list_t.
2493         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2494         Change its type to deps_list_t.
2495         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2496         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2497         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2498
2499         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2500
2501         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2502
2503         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2504         all callers.
2505         (dep_cost): Declare.
2506
2507         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2508         (ds_to_dk, dk_to_ds): New functions.
2509
2510         (init_dep_1): New static function.
2511         (init_dep): New function.
2512         (copy_dep): New static function.
2513
2514         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2515         functions.
2516         (detach_dep_link): New static function.
2517         (move_dep_link): New function.
2518
2519         (dep_links_consistent_p, dump_dep_links): New static functions.
2520         (debug_dep_links): New debugging function.
2521
2522         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2523
2524         (alloc_deps_list, init_deps_list): New static functions.
2525         (create_deps_list): New function.
2526         (clear_deps_list): New static function.
2527         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2528         (deps_list_consistent_p, dump_deps_list): New static functions.
2529         (debug_deps_list): New function.
2530         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2531         functions.
2532         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2533
2534         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2535         use new scheduler dependencies lists.
2536         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2537         (sched_analyze): Ditto.  Initialize dependencies lists.
2538         (add_forw_dep, compute_forward_dependences): Update to use new
2539         scheduler dependencies lists.
2540
2541         (init_dependency_caches): Init deps_obstack.
2542         (free_dependency_caches): Free deps_obstack.
2543
2544         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2545         new scheduler dependencies lists.
2546         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2547         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2548
2549         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2550         Update to use new scheduler dependencies lists.
2551         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2552         (debug_dependencies): Ditto.
2553         (schedule_region): Update comments.
2554
2555         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2556         scheduler dependencies lists.
2557         (schedule_ebb): Update comments.
2558
2559         * rtl.def (DEPS_LIST): Remove.
2560
2561         * lists.c (unused_deps_list): Remove.
2562         (free_list): Update assertions.
2563
2564         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2565         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2566
2567         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2568         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2569
2570         * haifa-sched.c (comments): Update.
2571         (insn_cost1): Remove.  Inline the code into insn_cost ().
2572         (insn_cost): Update to use new scheduler dependencies lists.  Move
2573         processing of the dependency cost to dep_cost ().
2574         (dep_cost): New function.  Use it instead of insn_cost () when
2575         evaluating cost of the dependency.  Use compatible interface to
2576         interact with the target.
2577         (priority): Update to use new scheduler dependencies lists.
2578         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2579         with greater number of insns that depend on the insn.
2580         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2581         code to free backward dependencies lists.  Inline and optimize code
2582         from resolve_dep () - see PR28071.
2583         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2584         lists.  Update call to targetm.sched.is_costly_dependence hook.
2585
2586         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2587         scheduler dependencies lists.
2588
2589         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2590         (init_h_i_d): Initialize dependencies lists.
2591
2592         (process_insn_depend_be_in_spec): Rename to
2593         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2594         dependencies lists.
2595         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2596         Update to use new scheduler dependencies lists.
2597         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2598
2599         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2600         new scheduler dependencies lists.
2601         (build_intra_loop_deps): Ditto.
2602
2603         * target.h (struct _dep): Declare to use in
2604         gcc_target.sched.is_costly_dependence.
2605         (struct gcc_target.sched.adjust_cost): Fix typo.
2606         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2607         single dep_t parameter instead of an equivalent triad.
2608         (struct gcc_target.sched.adjust_cost_2): Remove.
2609
2610         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2611
2612         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2613
2614         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2615         documentation.
2616         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2617
2618         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2619         (REG_DEP_TRUE): Document.
2620
2621         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2622         Change signature to correspond to the targetm.sched.adjust_cost hook.
2623         Update use in TARGET_SCHED_ADJUST_COST_2.
2624         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2625         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2626         new scheduler dependencies lists.
2627         (ia64_gen_check): Ditto.
2628
2629         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2630         dependencies lists.
2631
2632         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2633         signature to correspond to the targetm.sched.is_costly_dependence hook.
2634         (is_costly_group): Update to use new scheduler dependencies lists.
2635
2636         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2637         instead of INSN_COST () macro.
2638
2639 2007-02-01  Ian Lance Taylor  <iant@google.com>
2640
2641         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2642
2643 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2644
2645         * pa.md (tp_load): Correct mfctl instruction syntax.
2646
2647 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2648
2649         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2650         altivec_padding_size calculation on AIX.  Improve comment, add
2651         assert to verify that it's right.
2652
2653         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2654         64-bit.
2655
2656 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2657
2658         PR inline-asm/28686
2659         * global.c (global_alloc): Add mising initialization of
2660         ELIMINABLE_REGSET.
2661
2662 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2663
2664         * alias.c (init_alias_analysis): Correct whitespace.
2665         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2666         partition_hot_cold_basic_blocks): Likewise.
2667         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2668         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2669         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2670         fold_builtin_snprintf_chk, fold_builtin_printf,
2671         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2672         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2673         * cfgcleanup.c (cleanup_cfg): Likewise.
2674         * cfgexpand.c (tree_expand_cfg): Likewise.
2675         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2676         * function.c (get_next_funcdef_no): Likewise.
2677         * gengtype.c (main): Likewise.
2678         * genmodes.c (main): Likewise.
2679         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2680         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2681         * ifcvt.c (noce_emit_move_insn): Likewise.
2682         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2683         Likewise.
2684         * stor-layout.c (get_best_mode): Likewise.
2685         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2686         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2687         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2688         perform_var_substitution, solve_graph): Likewise.
2689         * tree-vrp.c (vrp_finalize): Likewise.
2690
2691 2007-02-01  Ian Lance Taylor  <iant@google.com>
2692
2693         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2694         high part of a paradoxical subreg, return a constant zero.
2695
2696 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2697
2698         * toplev.c (lang_dependent_init): Call init_set_costs.
2699         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2700
2701 2007-02-01  Richard Guenther  <rguenther@suse.de>
2702
2703         PR middle-end/30656
2704         * fold-const.c (fold_negate_expr): Allow negating a
2705         constant if overflow does not change.
2706
2707 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2708
2709         * doc/c-tree.texi (Expression trees): Improve markup.
2710         * doc/tm.texi (Register Classes, Addressing Modes)
2711         (Floating Point): Fix spacing after abbreviations.  Fix some
2712         typos.
2713
2714 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2715
2716         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2717         * doc/contrib.texi: Likewise.
2718         * doc/install.texi: Likewise.
2719
2720 2007-01-31  Richard Henderson  <rth@redhat.com>
2721             Ian Lance Taylor  <iant@google.com>
2722
2723         * lower-subreg.c: New file.
2724         * rtl.def (CONCATN): Define.
2725         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2726         pass_lower_subreg2.
2727         * emit-rtl.c (update_reg_offset): New static function, broken out
2728         of gen_rtx_REG_offset.
2729         (gen_rtx_REG_offset): Call update_reg_offset.
2730         (gen_reg_rtx_offset): New function.
2731         * regclass.c: Revert patch of 2006-03-05, restoring
2732         reg_scan_update.
2733         (clear_reg_info_regno): New function.
2734         * dwarf2out.c (concatn_loc_descriptor): New static function.
2735         (loc_descriptor): Handle CONCATN.
2736         * common.opt (fsplit_wide_types): New option.
2737         * opts.c (decode_options): Set flag_split_wide_types when
2738         optimizing.
2739         * timevar.def (TV_LOWER_SUBREG): Define.
2740         * rtl.h (gen_reg_rtx_offset): Declare.
2741         (reg_scan_update): Declare.
2742         * regs.h (clear_reg_info_regno): Declare.
2743         * tree-pass.h (pass_lower_subreg): Declare.
2744         (pass_lower_subreg2): Declare.
2745         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2746         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
2747         -fsplit-wide-types.
2748         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2749         * Makefile.in (OBJS-common): Add lower-subreg.o.
2750         (lower-subreg.o): New target.
2751
2752 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2753
2754         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2755
2756 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2757
2758         PR target/19087
2759         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2760
2761 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2762
2763         PR middle-end/29335
2764         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2765
2766 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
2767
2768         * cfgloop.h: Include vec-prim.h.
2769         (enum li_flags): Remove LI_ONLY_OLD.
2770         (loop_iterator): Changed.
2771         (fel_next, fel_init): Iterate over loop tree.
2772         (FOR_EACH_LOOP_BREAK): New macro.
2773         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2774         FOR_EACH_LOOP.
2775         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2776         * modulo-sched.c (sms_schedule): Ditto.
2777         * tree-vectorizer.c (vectorize_loops): Ditto.
2778         * doc/loop.texi: Update information on loop numbering and behavior of
2779         FOR_EACH_LOOP wrto new loops.
2780         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2781         add_to_evolution_1): Test nestedness of loops instead of comparing
2782         their numbers.
2783         * tree-chrec.c (chrec_fold_plus_poly_poly,
2784         chrec_fold_multiply_poly_poly, chrec_evaluate,
2785         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2786         reset_evolution_in_loop): Ditto.
2787         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2788
2789 2007-01-31  Dirk Mueller  <dmueller@suse.de>
2790
2791         * c-common.c (warn_about_parentheses): Separate warning about
2792         un-parenthized sequence of comparison operators from the one
2793         which is supposed to warn about x <= y <= z.
2794
2795 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
2796
2797         * optabs.h (enum optab_index): Add new OTI_isinf.
2798         (isinf_optab): Define corresponding macro.
2799         * optabs.c (init_optabs): Initialize isinf_optab.
2800         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2801         patterns.
2802         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2803         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2804         using isinf_optab.
2805         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2806         expand_builtin_interclass_mathfn.
2807         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2808         * config/i386/i386.md (UNSPEC_FXAM): New constant.
2809         (fxam<mode>2_i387): New insn pattern.
2810         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2811         built-in functions as x87 inline asm.
2812
2813 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2814
2815         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2816
2817 2007-01-30  Eric Christopher  <echristo@apple.com>
2818
2819         * config.gcc: Add geode.
2820
2821 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
2822
2823         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2824         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2825         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2826         value-prof.c: Fix comment typos.
2827
2828 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2829
2830         PR c++/24745
2831         * doc/invoke.texi (Wpointer-arith): Document warning.
2832
2833 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
2834
2835         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2836         the list of discrepancies from the draft TR.
2837
2838 2007-01-30  Dirk Mueller  <dmueller@suse.de>
2839
2840         PR c++/30601
2841         * doc/invoke.texi (-Wreturn-type): Update description to
2842         match new behavior.
2843
2844 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
2845
2846         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2847
2848 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
2849
2850         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2851         to handle optabs that operate on floating point input argument and
2852         output to integer output.
2853         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2854         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2855         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2856         expand_builtin_interclass_mathfn ().
2857         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2858         (ilogbsi2): Remove.
2859         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2860         ilogbl built-in functions as x87 intrinsics.
2861
2862 2007-01-30  Richard Guenther  <rguenther@suse.de>
2863
2864         PR middle-end/27657
2865         * dwarf2out.c (reference_to_unused): Query varpool if the
2866         variable was output.
2867
2868 2007-01-30  Richard Guenther  <rguenther@suse.de>
2869
2870         PR middle-end/30313
2871         * passes.c (execute_one_pass): Reset in_gimple_form to not
2872         confuse non-unit-at-a-time mode.
2873
2874 2007-01-29  Roger Sayle  <roger@eyesopen.com>
2875             Richard Guenther  <rguenther@suse.de>
2876
2877         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2878         avoid undefined behaviour on overflow.  Use force_fit_type_double
2879         to construct the constant with the specified TREE_OVERFLOW.
2880
2881 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2882
2883         * config/dfp-bit.c: Add parameterized support for fp exceptions.
2884         * config/dfp-bit.h: Ditto.
2885
2886 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2887
2888         * c-decl.c (pop_scope): Replace warnings with call to
2889         warn_for_unused_label.
2890         * c-common.h (warn_for_unused_label): Declare.
2891         * c-common.c (warn_for_unused_label): Define.
2892
2893 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2894
2895         * tree-optimize.c (update_inlined_to_pointers): Delete unused
2896         function.
2897
2898 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
2899
2900         * Makefile.in (USER_H): Remove decfloat.h.
2901         * ginclude/decfloat.h: Delete, moving contents to ...
2902         * ginclude/float.h: Add support for decimal floating point,
2903         guarded by __STDC_WANT_DEC_FP__.
2904
2905 2007-01-29  Mike Stump  <mrs@apple.com>
2906
2907         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2908         Analysis and Representation to resolve case insensitive conflict.
2909         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2910
2911 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
2912
2913         * tree.h (struct tree_memory_tag): Add aliases member.
2914         (MTAG_ALIASES): New macro.
2915         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2916         (add_may_alias): Remove pointer-set. Update for may_aliases being
2917         a bitmap.
2918         (mark_aliases_call_clobbered): Update for may_aliases being a
2919         bitmap.
2920         (compute_tag_properties): Ditto.
2921         (create_partition_for): Ditto.
2922         (compute_memory_partitions): Ditto.
2923         (dump_may_aliases_for): Ditto.
2924         (is_aliased_with): Ditto.
2925         (add_may_alias_for_new_tag): Ditto.
2926         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2927         (compute_is_aliased): New function.
2928         (compute_may_aliases): Call compute_is_aliased).
2929         (init_alias_info): Initialize alias_bitmap_obstack.
2930         (union_alias_set_into): New function.
2931         (compute_flow_sensitive_aliasing): Use union_aliases_into.
2932         (have_common_aliases_p): Rewrite to take two bitmaps and use
2933         intersection.
2934         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2935         Update for bitmaps.
2936         (finalize_ref_all_pointers): Update for add_may_alias changes.
2937         (new_type_alias): Ditto.
2938         * tree-flow-inline.h (may_aliases): Return a bitmap.
2939         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2940         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2941         may_aliases being a bitmap.
2942         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2943         may_aliases now returns a bitmap.
2944         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2945         being a bitmap.
2946         * tree-ssa-operands.c (add_virtual_operand): Update for
2947         may_aliases being a bitmap.
2948
2949 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
2950
2951         PR tree-optimization/30630
2952         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2953         variable as changed.
2954
2955 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
2956
2957         PR c++/28266
2958         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2959         expanded only once even if an error occurs.
2960
2961 2007-01-29  Ben Elliston  <bje@au.ibm.com>
2962
2963         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2964         (__gcov_average_profiler): Likewise.
2965         (__gcov_ior_profiler): Likewise.
2966         (__gcov_merge_ior): Likewise.
2967
2968 2007-01-28  Jan Hubicka  <jh@suse.cz>
2969
2970         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2971         * value-prof.c (stringop_block_profile): Likewise.
2972
2973 2007-01-28  Jan Hubicka  <jh@suse.cz>
2974
2975         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2976         variant handling histograms; add wrapper.
2977         (clear_storage_via_libcall): Export.
2978         (emit_block_move_hints): Break out from ...; add histograms.
2979         (emit_block_move): ... this one.
2980         (clear_storage_hints): Break out from ...; add histograms.
2981         (clear_storage): ... this one.
2982         (set_storage_via_memset): Handle histogram.
2983         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2984         (clear_storage_hints, clear_storage_via_libcall): Declare.
2985         (set_storage_via_setmem): Update prototype.
2986         * doc/md.texi (movmem, setmem): Document new arguments.
2987
2988         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
2989         new histograms.
2990         (stringop_block_profile): New global function.
2991         (tree_stringops_values_to_profile): Profile block size and alignment.
2992         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
2993         HIST_TYPE_IOR.
2994         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
2995         (stringop_block_profile): Declare.
2996         * builtins.c: Include value-prof.h.
2997         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
2998         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
2999         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3000         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3001         * profile.c (instrument_values): Add new counters.
3002         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3003         calls.
3004         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3005         (tree_init_edge_profiler): Build new profilers.
3006         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3007         (pass_tree_profile): Add dump.
3008         (tree_profile_hooks): Update.
3009         * Makefile.in (LIBGCOV): Add new constants.
3010         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3011         __gcov_ior_profiler): New.
3012         * i386.md (movmem/setmem expanders): Add new optional arguments.
3013
3014 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3015
3016         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3017
3018 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3019
3020         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3021         (tree_unswitch_single_loop): Pass eni_size_weights to
3022         tree_num_loop_insns.
3023         * tree-ssa-loop-manip.c: Include tree-inline.h.
3024         (can_unroll_loop_p): Pass eni_size_weights to
3025         tree_num_loop_insns.
3026         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3027         Pass eni_size_weights to estimate_num_insns.
3028         * tree.h (init_inline_once): Export.
3029         * toplev.c (backend_init): Call init_inline_once.
3030         * cgraphunit.c (cgraph_process_new_functions,
3031         cgraph_analyze_function): Pass eni_inlining_weights to
3032         estimate_num_insns.
3033         * ipa-inline.c (compute_inline_parameters): Ditto.
3034         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3035         to estimate_num_insns.
3036         (try_unroll_loop_completely): Pass eni_size_weights to
3037         tree_num_loop_insns.
3038         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3039         ot estimate_num_insns.
3040         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3041         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3042         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3043         eni_time_weights): New variables.
3044         (init_inline_once): Initialize them.
3045         (struct eni_data): Mew.
3046         (estimate_num_insns_1, estimate_num_insns): Use weights.
3047         * tree-inline.h (struct eni_weights_d): New.
3048         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3049         (estimate_num_insns): Declaration changed.
3050         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3051         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3052         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3053
3054 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3055
3056         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3057         relations in the conflict function is valid.
3058
3059 2007-01-27  Ian Lance Taylor  <iant@google.com>
3060
3061         * common.opt: Add fstrict-overflow.
3062         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3063         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3064         (TYPE_OVERFLOW_UNDEFINED): Define.
3065         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3066         Replace all uses.
3067         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3068         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3069         (fold_negate_expr): Likewise.
3070         (make_range): Likewise.
3071         (extract_muldiv_1): Likewise.
3072         (maybe_canonicalize_comparison): Likewise.
3073         (fold_comparison): Likewise.
3074         (fold_binary): Likewise.
3075         (tree_expr_nonnegative_p): Likewise.
3076         (tree_expr_nonzero_p): Likewise.
3077         * tree-vrp.c (compare_values): Likewise.
3078         (extract_range_from_binary_expr): Likewise.
3079         (extract_range_from_unary_expr): Likewise.
3080         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3081         Likewise.
3082         (nowrap_type_p): Likewise.
3083         * tree-scalar-evolution.c (simple_iv): Likewise.
3084         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3085         (build_range_check): Likewise.
3086         (extract_muldiv_1): Likewise.
3087         (fold_comparison): Likewise.
3088         * tree-vrp.c (vrp_int_const_binop): Likewise.
3089         (extract_range_from_unary_expr): Likewise.
3090         * convert.c (convert_to_integer): Likewise.
3091         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3092         (fold_comparison): Likewise.
3093         (fold_binary): Likewise.
3094         * optabs.c (optab_for_tree_code): Likewise.
3095         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3096         * simplify-rtx.c (simplify_const_relational_operation): Check
3097         flag_strict_overflow and flag_trapv.
3098         (simplify_const_relational_operation): Likewise.
3099         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3100         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3101         -fstrict-overflow.
3102
3103 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3104
3105         * tree.c (tree_fold_gcd): Delete.
3106         * tree.h (tree_fold_gcd): Remove prototype.
3107         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3108         test whether one constant integer is a multiple of another.  Instead
3109         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3110         * fold-const.c (multiple_of_p):  We've determined both TOP and
3111         BOTTOM are integer constants so we can call int_const_binop directly
3112         instead of the more generic const_binop.
3113
3114 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3115
3116         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3117         1*X check that the constant hasn't overflowed, to preserve the
3118         TREE_OVERFLOW bit.
3119         (round_up): Provide an efficient implementation when rouding-up an
3120         INTEGER_CST to a power-of-two.
3121
3122 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3123
3124         * doc/sourcebuild.texi: Add comma for clarity.
3125         * doc/extend.texi: Fix some typos.
3126         * doc/passes.texi: Likewise.
3127         * doc/cppinternals.texi: Likewise.
3128         * doc/c-tree.texi: Likewise.
3129         * doc/tree-ssa.texi: Likewise.
3130         * doc/install.texi: Likewise.
3131
3132 2007-01-27  Jan Hubicka  <jh@suse.cz>
3133
3134         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3135         (pass_sra): Do not require alias information.
3136         * passes.c (init_optimization_passes): Add SRA
3137
3138 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3139
3140         * tracer.c (rest_of_handle_tracer): We already cleaned
3141         up the CFG in tracer() so don't do it here again.
3142         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3143         cleanup_cfg here, either.  And don't call renumber_insns.
3144
3145         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3146         and BB_HEAD are in the insn stream here.  Instead make sure
3147         that BB_INSN is valid on all insns.  Also, do check here that
3148         there are no pending branch predictions...
3149         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3150         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3151         here.
3152
3153 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3154
3155         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3156         function to simplify/factorize operand order canonicalization.
3157         (ix86_fixup_binary_operands): Reorganize using the above function.
3158         (ix86_binary_operator_ok): Likewise.
3159
3160 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3161
3162         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3163         file scope from optimize_attrs.
3164         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3165         up search.
3166         (optimize_attrs): Clear insn_code_values after freeing it.
3167
3168 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3169
3170         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3171         a parts.base assignment.
3172
3173 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3174
3175         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3176         (compute_subscript_distance, initialize_data_dependence_relation,
3177         finalize_ddr_dependent, analyze_ziv_subscript,
3178         analyze_siv_subscript_cst_affine,
3179         compute_overlap_steps_for_affine_univar,
3180         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3181         analyze_siv_subscript, analyze_miv_subscript,
3182         analyze_overlapping_iterations, subscript_dependence_tester_1,
3183         compute_self_dependence, free_dependence_relation): Work
3184         with affine_fn instead of chrecs.
3185         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3186         common_affine_function, affine_function_base,
3187         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3188         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3189         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3190         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3191         (all_chrecs_equal_p): Removed.
3192         * tree-data-ref.h (affine_fn, conflict_function): New types.
3193         (struct subscript): Change type of conflicting_iterations_in_a
3194         and conflicting_iterations_in_b.
3195
3196 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3197
3198         PR other/30182
3199         * config/pa/pa.h (TARGET_HPUX_11): New.
3200         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3201         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3202
3203 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3204         Richard Guenther  <rguenther@suse.de>
3205
3206         * tree-ssa-structalias.c (solve_graph): Handle case
3207         we merged the variable to another.
3208
3209 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3210
3211         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3212         functions.
3213
3214         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3215         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3216
3217 2007-01-25  DJ Delorie  <dj@redhat.com>
3218
3219         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3220         allow changes to modes which don't fit in those registers.
3221
3222         * reload1.c (choose_reload_regs): Check for invalid subregs before
3223         computing their locations, not after.
3224
3225 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3226
3227         PR 25127
3228         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3229         save Altivec registers in an eh_return function.
3230         (compute_vrsave_mask): Likewise.
3231         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3232         for saving Altivec registers.
3233         (rs6000_emit_prologue): Don't allocate stack twice in
3234         eh_return function.  Correct expected value of altivec_save_offset
3235         when using save_world.  Describe save of R0 to stack when using
3236         save_world.  Describe stack pointer adjustment when using
3237         save_world.  Remove duplicated eh_return parameter register saving.
3238         Update sp_offset variable after save_world.
3239         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3240         darwin-world.asm.
3241         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3242         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3243         implies Altivec.
3244
3245 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3246
3247         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3248
3249 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3250
3251         PR other/30182
3252         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3253         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3254
3255 2007-01-25  Richard Guenther  <rguenther@suse.de>
3256
3257         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3258         * common.opt (-Wcoverage-mismatch): New warning option.
3259         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3260         if -Wcoverage-mismatch is given.
3261
3262 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3263
3264         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3265         (ipcp_driver): Change to static definition.
3266         Add dumping of the ifunctions.
3267         (constant_val_insert): Remove unused parameter. Support for SSA.
3268         (ipcp_propagate_const): Support for SSA.
3269         (ipcp_profile_bb_print): Print only analyzed nodes.
3270         (ipcp_replace_map_create): Remove support for Fortran constant
3271         for now.
3272         * ipa-prop.c (ipa_method_modify_stmt,
3273         ipa_callsite_compute_param): Support for SSA.
3274         * ipa-prop.h (ipcp_driver): Remove declaration.
3275         (IS_VALID_TREE_MAP_INDEX): Add define.
3276
3277 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3278
3279         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3280
3281 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3282
3283         PR middle-end/30447
3284         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3285         constant argument to cabs and do it without checking for
3286         -funsafe-math-optimizations.
3287
3288 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3289
3290         * c-common.h (RID_FIRST_CXX0X): New.
3291         (RID_LAST_CXX0X): New.
3292         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3293         by -Wall.
3294         * c.opt (Wc++0x-compat): New.
3295         * doc/invoke.texi (-Wc++0x-compat): Document.
3296
3297 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3298
3299         * builtins.c (fold_builtin_carg): New.
3300         (fold_builtin_1): Use it.
3301
3302 2007-01-24  Jan Hubicka  <jh@suse.cz>
3303
3304         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3305
3306         * ipa-inline.c (initial_insns, max_insns): Delete.
3307         (compute_max_insns): New function.
3308         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3309         of insns as base for code growth.
3310         (cgraph_decide_inlining): Make initial_insns local; do not compute
3311         max_insns.
3312         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3313         * doc/invoke.texi (inline-unit-growth): Update docs.
3314
3315 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3316
3317         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3318         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3319         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3320         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3321         for CPUs that have PTA_CX16 set.
3322
3323         PR middle-end/27416
3324         * gimplify.c (omp_check_private): New function.
3325         (gimplify_scan_omp_clauses): Use it for
3326         firstprivate/lastprivate/reduction.
3327
3328         PR middle-end/30494
3329         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3330         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3331
3332         PR middle-end/30421
3333         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3334         If lower_lastprivate_clauses emits some statements, append them
3335         to dlist rather than body_p and to body_p append an initializer.
3336         (lower_omp_for): Adjust caller.
3337
3338 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3339
3340         * target.h (globalize_decl_name): New.
3341         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3342         * output.h (default_globalize_decl_name): New.
3343         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3344         globalize_label.
3345         (globalize_decl): Ditto.
3346         (default_globalize_decl_name): New.
3347         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3348         (ia64_handle_version_id_attribute): New.
3349         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3350         (ia64_asm_output_external): Use globalize_decl_name instead
3351         of globalize_label.
3352         * doc/extend.texi (version_id): New pragma.
3353         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3354
3355 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3356
3357         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3358         _uleb128_t and _Unwind_SWord with _sleb128_t.
3359         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3360         uw_frame_state_for, uw_update_context_1): Likewise.
3361         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3362         * unwind-pe.h (read_uleb128, read_sleb128,
3363         read_encoded_value_with_base): Likewise.
3364         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3365
3366 2007-01-24  Richard Guenther  <rguenther@suse.de>
3367
3368         * builtins.c (expand_builtin_cexpi): Get the fndecl
3369         for cexp in the correct way.
3370
3371 2007-01-24  Jan Hubicka  <jh@suse.cz>
3372
3373         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3374
3375 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3376
3377         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3378         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3379         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3380         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3381         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3382         __SIZEOF_PTRDIFF_T__.
3383         * doc/cpp.texi: Documentation for the new builtin macros added.
3384
3385 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3386
3387         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3388         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3389         instead of operands[2] to avoid access past the end of array.
3390
3391 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3392
3393         * reload1.c (emit_reload_insns): Pass the reload register
3394         for a non-spill output reload through forget_old_reloads_1.
3395
3396 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3397
3398         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3399         _SOFT_DOUBLE if doubles use software floating-point.
3400         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3401         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3402         * config/rs6000/darwin-ldouble.c: Also compile functions for
3403         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3404         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3405         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3406         commented-out long double override.
3407         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3408         * config/rs6000/eabispe.h: Likewise.
3409         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3410         long double for non-SPE.
3411         (rs6000_handle_option): Likewise.
3412         (invalid_e500_subreg): Disallow more subregs involding DImode,
3413         DFmode, TImode or TFmode.
3414         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3415         E500 double.
3416         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3417         double.
3418         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3419         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3420         double.
3421         (rs6000_legitimate_address): Also check for TFmode for E500
3422         double.
3423         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3424         (spe_build_register_parallel): Handle TFmode and TCmode.
3425         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3426         double.
3427         (function_arg): Handle TFmode and TCmode for E500 double.
3428         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3429         in general.
3430         (print_operand): Handle TFmode and TImode for %y.
3431         (rs6000_generate_compare): Handle TFmode comparisons for E500
3432         double.
3433         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3434         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3435         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3436         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3437         TFmode for E500 double.
3438         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3439         (floatsidf2): Enable for E500 double.
3440         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3441         (extenddftf2): Change to extenddftf2_fprs.
3442         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3443         depending on TARGET_E500_DOUBLE.
3444         (extendsftf2): Enable for E500 double.
3445         (trunctfdf2): Enable for E500 double.
3446         (trunctfsf2): Change to trunctfsf2_fprs.
3447         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3448         depending on TARGET_E500_DOUBLE.
3449         (floatsitf2): Enable for E500 double.
3450         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3451         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3452         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3453         (negtf2): Change to negtf2_internal.
3454         (negtf2): New expander.
3455         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3456         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3457         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3458         (movdi_internal32): Use rs6000_nonimmediate_operand.
3459         (unnamed splitter): Likewise.
3460         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3461         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3462         (SPE64TF, DITI): New mode macros.
3463         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3464         modes.
3465         (frob_tf_ti): New.
3466         (frob_<mode>_di_2): New.
3467         (frob_tf_di_8_2): New.
3468         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3469         (frob_ti_tf): New.
3470         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3471         more modes.
3472         (frob_ti_<mode>_8_2): New.
3473         (frob_ti_tf_2): New.
3474         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3475         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3476         TFmode.
3477         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3478         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3479         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3480         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3481         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3482         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3483         tsttflt_gp): New.
3484
3485 2007-01-23  Ian Lance Taylor  <iant@google.com>
3486
3487         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3488         insn-*.o first.
3489         (OBJS-archive): Reformat, alphabetize.
3490         (OBJS): Change out_object_file to OBJS-md.
3491
3492 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3495         JUMP_P and CALL_P predicates where applicable.
3496         * config/i386/i386.c: Ditto.
3497         * config/i386/i386.md: Ditto.
3498         * config/i386/mmx.md: Ditto.
3499         * config/i386/predicates.md: Ditto.
3500
3501 2007-01-22  Andreas Schwab  <schwab@suse.de>
3502
3503         * config/m68k/m68k.h: Fix comment.
3504
3505 2007-01-22  Jan Hubicka  <jh@suse.cz>
3506
3507         * passes.c (init_optimization_passes): Do not rerun
3508         pass_early_warn_uninitialized.
3509
3510 2007-01-22  Richard Guenther  <rguenther@suse.de>
3511
3512         PR tree-optimization/30038
3513         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3514         function.
3515         (execute_cse_sincos_1): Likewise.
3516         (execute_cse_sincos): Likewise.
3517         (gate_cse_sincos): Likewise.
3518         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3519         the cexpi() canonicalization of sincos().
3520         * tree-pass.h (pass_cse_sincos): Declare.
3521         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3522
3523 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3524
3525         PR rtl-optimization/29329
3526         * combine.c (replaced_rhs_insn): Rename to i2mod.
3527         (replaced_rhs_value): Rename to i2mod_new_rhs.
3528         (i2mod_old_rhs): New global variable.
3529         (combine_instructions): Adjust for above change.  Save a copy of
3530         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3531         note are substituted in the second instruction.
3532         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3533         ditch the note if it pertains to the second eliminated register
3534         and this register is mentioned in i2mod_old_rhs.
3535
3536         Revert:
3537         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3538
3539         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3540         the insn to which the note was originally attached.
3541
3542 2007-01-21  Jan Hubicka  <jh@suse.cz>
3543
3544         * ipa-inline.c (inlining_mode): Comment, move up.
3545         (cgraph_decide_inlining_incrementally): Do not perform inlining
3546         itself; fix handling of flattening of self recursive functions.
3547         (cgraph_find_cycles): Remove.
3548         (cgraph_flatten_node): Remove.
3549         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3550         (try_inline): New function.
3551         (cgraph_early_inlining): Update call of
3552         cgraph_decide_inlining_incrementally.  Apply inlining here.
3553         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3554
3555 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3556
3557         PR bootstrap/30511
3558         * tree-vrp.c (check_array_bounds): do not warn
3559         about ADDR_EXPR's of ARRAY_REF's which are immediately
3560         used in binary expressions.
3561
3562 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3563
3564         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3565         read_write_dep and macros for its access.
3566         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3567         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3568         argument, call vect_check_interleaving for every independent pair of
3569         data-refs. Mark loads that access the same memory location as a store
3570         in the loop.
3571         (vect_check_dependences): Remove.
3572         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3573         call, fix the call to vect_analyze_data_ref_dependence.
3574         (vect_analyze_data_ref_access): For statements that access the same
3575         data-ref, check that they are not stores; for loads, check that there
3576         is no store that access the same location.
3577
3578 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3579             Joseph Myers  <joseph@codesourcery.com>
3580
3581         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3582         (-fdump-rtl-stack): Likewise.
3583         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3584         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3585         (-mpt-fixed): Use @minus{} for minus sign.
3586         (Using Precompiled Headers): Fix under/overfull hbox.
3587
3588 2007-01-20  Jan Hubicka  <jh@suse.cz>
3589
3590         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3591         place within annotation.
3592
3593 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3594
3595         * pa.c (output_move_double): Change array size of xoperands to 4.
3596
3597 2007-01-20  Jan Hubicka  <jh@suse.cz>
3598
3599         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3600         as temporary.
3601
3602 2007-01-19  Ian Lance Taylor  <iant@google.com>
3603
3604         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3605         constant to unsigned HOST_WIDE_INT before negating.
3606
3607 2007-01-19  Ian Lance Taylor  <iant@google.com>
3608
3609         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3610         to unsigned.
3611         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3612         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3613         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3614         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3615         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3616         (realloc_vdef, realloc_vuse): Change second parameter to
3617         unsigned.
3618         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3619         fields to unsigned.
3620         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3621         unsigned. Change x and lim locals to unsigned.
3622         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3623         unsigned.
3624         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3625         (copy_virtual_operands): Change i and n locals to unsigned.
3626
3627 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3628
3629         PR middle-end/29335
3630         * builtins.c (fold_builtin_1): Handle builtin fdim.
3631
3632 2007-01-20  Jan Hubicka  <jh@suse.cz>
3633
3634         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3635         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3636         init_alias_heapvars.
3637         (init_alias_heapvars): Initialize only when not already initialized.
3638         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3639
3640 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3641
3642         * common.opt (fsigned-zeros): New command line option.
3643         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3644         of flag_unsafe_math_optimizations.
3645         * opts.c (set_fast_math_flags): The -ffast-math command line option
3646         implies -fno-signed-zeros.
3647         (fast_math_flags_set_p): Likewise.
3648
3649         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3650         the documentation of -ffast-math appropriately.  Wrap long lines.
3651
3652 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3653
3654         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3655         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3656
3657 2007-01-19  Tomas Bily  <tbily@suse.cz>
3658
3659         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3660         * tree-profile.c:
3661         (tree_init_ic_make_global_vars): New function
3662         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3663         (tree_gen_ic_profiler): New function
3664         (tree_gen_ic_func_profiler): New function
3665         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3666         (tree_profile_hooks): Added hook for indirec/virtual calls
3667         * value-prof.c (tree_find_values_to_profile): New case for
3668         indirect calls
3669         (tree_values_to_profile): Call for determining indirect/virtual
3670         counters
3671         (tree_indirect_call_to_profile): New function
3672         (tree_ic_transform): New function
3673         (tree_ic): New function
3674         (find_func_by_pid): New function
3675         (init_pid_map): New function
3676         (tree_value_profile_transformations): Added check for
3677         indirect/virtual call transformation
3678         * value-prof.h (enum hist_type): New counter type for
3679         indirect/virtual calls
3680         (profile_hooks): Added new hook for profiling indirect/virtual
3681         calls
3682         * profile.c (instrument_values): New case for indirect/virtual
3683         call added
3684         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3685         (GCOV_COUNTER_V_INDIR): New counter type
3686         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3687         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3688         call added
3689         * cgraph.c: Definition of cgraph_max_pid
3690         (cgraph_create_node): Default init of pid attribute
3691         * cgraph.h: Declaration of cgraph_max_pid
3692         (struct cgraph_node): Added pid attribute
3693         * libgcov.c (__gcov_indirect_call_profiler): New function
3694         (__gcov_one_value_profiler_body): New function
3695         (__gcov_one_value_profiler): Body was moved to
3696         __gcov_one_value_profiler_body and calls it
3697
3698 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3699
3700         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3701         * gengtype.c (write_types_data, write_func_for_structure,
3702         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3703         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3704         (walk_type, write_func_for_structure): Generate the mark_hook if
3705         needed.
3706
3707 2007-01-19  Jan Hubicka  <jh@suse.cz>
3708
3709         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3710         'early' argument take inlining mode argument specifying whether to
3711         inline for size/speeed or all functions; add support for flattening;
3712         improve dumpting.
3713         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3714
3715 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3716
3717         PR c++/17947
3718         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3719         the name of the declared identifier.
3720
3721 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3722
3723         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3724         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3725         duplicate evaluation.
3726
3727 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3728
3729         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3730         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
3731         to XFMode, use acosxf2 and truncate result to requested mode.
3732         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3733         (asin<mode>2): Similarly, with asin expanders.
3734         (*fscalexf4_i387): Rename from *fscalexf4.
3735         (expNcorexf3): New expander.
3736         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3737         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3738         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
3739         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3740         patterns for SSE math.
3741         (exp10<mode>2): Similarly, with exp10 expanders.
3742         (exp2<mode>2): Similarly, with exp2 expanders.
3743         (expm1<mode>2): Similarly, with expm1 expanders.
3744         (ldexp<mode>3): Similarly, with ldexp expanders.
3745         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3746         Use gen_truncxf<mode>2_i387_noop to truncate result.
3747
3748 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3749
3750         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3751         for ColdFire targets.
3752
3753 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
3754             Richard Sandiford  <richard@codesourcery.com>
3755
3756         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3757         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3758         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3759         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3760         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3761         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3762
3763 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3764
3765         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3766         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
3767         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
3768         (*adddi_dilshr32_cf): New pattern.
3769         (adddi3, subdi3): Remove first alternatives.
3770
3771 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3772
3773         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3774         implemented using move.l, do not use its cc result for floating-point
3775         comparisons.
3776
3777 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3778
3779         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3780         from accepting 's' constraints if flag_pic.
3781
3782 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3783
3784         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3785         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3786         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3787         condition from TARGET_68881 to TARGET_HARD_FLOAT.
3788
3789 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3790
3791         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3792         ColdFire alternatives.
3793         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3794         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
3795         architectures that support ff1 instruction.
3796
3797 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3798             Julian Brown  <julian@codesourcery.com>
3799
3800         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3801         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3802         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
3803         Add commentary.
3804
3805 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
3806
3807         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3808         and return a bool.
3809         (output_move_const_into_data_reg, output_move_simode_const): Delete.
3810         * config/m68k/m68k.c (const_method, const_int_cost): Take a
3811         HOST_WIDE_INT instead of an rtx.
3812         (m68k_rtx_costs): Update call accordingly.
3813         (output_move_const_into_data_reg): Likewise.  Fix formatting.
3814         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3815         Return a bool.
3816         (output_move_simode_const): Update calls after above changes.
3817         Rework to use automatic variables and predicates like MEM_P.
3818         * config/m68k/m68k.md (pushexthisi_const): Update call to
3819         valid_mov3q_const.
3820
3821 2007-01-19  Dirk Mueller  <dmueller@suse.de>
3822
3823         * tree-ssa-alias.c (perform_var_substitution): Fix typo
3824         in dump_flags test.
3825
3826 2007-01-19  Richard Guenther  <rguenther@suse.de>
3827
3828         * builtins.c (expand_builtin_cexpi): Fall back to expanding
3829         via cexp in case sincos is not available.
3830
3831 2007-01-19  Richard Guenther  <rguenther@suse.de>
3832
3833         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3834         * defaults.h (TARGET_HAS_SINCOS): Default to off.
3835         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3836         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3837         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3838         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3839         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3840         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3841
3842 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
3843
3844         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3845         New insn patterns.
3846         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3847         (atan2xf3): Directly generate RTL pattern.
3848         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3849         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3850         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3851         disable patterns for SSE math.
3852         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3853         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
3854         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
3855         disable patterns for SSE math.
3856
3857 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
3858
3859         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3860
3861 2007-01-18  Roger Sayle  <roger@eyesopen.com>
3862
3863         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3864         VIEW_CONVERT_EXPR to the same type as it's operand.
3865
3866 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
3867
3868         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3869         configured for long double 128.
3870
3871 2007-01-18  Mike Stump  <mrs@apple.com>
3872
3873         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3874         error.
3875
3876 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
3877
3878         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3879         type correct.
3880
3881 2007-01-18  Jan Hubicka  <jh@suse.cz>
3882
3883         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3884         greater than NUM_VOP_FREE_BUCKETS.
3885
3886 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
3887
3888         * tree-ssa-structalias.c: Update comments.
3889         (ptabitmap_obstack): Removed.
3890         (pta_obstack): New.
3891         (oldpta_obstack): Ditto.
3892         (stats): Add a few members.
3893         (struct variable_info): Remove node, complex, address_taken, and
3894         indirect_target members. Add oldsolution member.
3895         (new_var_info): Do not initialize removed members.
3896         (constraint_expr_type): Remove INCLUDES.
3897         (constraint_graph): Add size, implicit_preds, rep,
3898         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3899         (FIRST_REF_NODE): New macro.
3900         (LAST_REF_NODE): Ditto.
3901         (FIRST_ADDR_NODE): Ditto.
3902         (find): New function.
3903         (unite): Ditto.
3904         (dump_constraint): Do not handle INCLUDES.
3905         (insert_into_complex): Do not insert duplicate constraints.
3906         (condense_varmap_nodes): Renamed and rewritten into ...
3907         (merge_node_constraints): This. Also fix bug in handling of
3908         offseted copy constraints.
3909         (clear_edges_for_node): No longer need to deal with preds at all,
3910         or removing associated preds/succs.
3911         (merge_graph_nodes): Deal with indirect_cycles.
3912         Don't deal with predecessors.
3913         (add_implicit_graph_edge): New function.
3914         (add_pred_graph_edge): Ditto.
3915         (add_graph_edge): Don't deal with predecessors.
3916         (build_constraint_graph): Removed.
3917         (build_pred_graph): New function.
3918         (build_succ_graph): Ditto.
3919         (struct scc_info): Removed in_component. Added roots, dfs, and
3920         node_mapping. Remove visited_index, unification_queue.
3921         (scc_visit): Deal with union-find we do now.
3922         Deal with cycles with REF nodes.
3923         (collapse_nodes): Renamed and rewritten to ...
3924         (unify_nodes): This.
3925         (process_unification_queue): Removed.
3926         (topo_visit): Cleanup
3927         (do_da_constraint): Use find.
3928         (do_sd_constraint): Ditto.
3929         (do_ds_constraint): Ditto.
3930         (do_complex_constraint): Ditto.
3931         (init_scc_info): Update for removed and added members.
3932         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3933         (find_indirect_cycles): This.
3934         (equivalence_class): New variable.
3935         (label_visit): New function.
3936         (perform_variable_substitution): Rewritten.
3937         (free_var_substitution_info): New function.
3938         (find_equivalent_node): Ditto.
3939         (move_complex_constraints): Ditto.
3940         (eliminate_indirect_cycles): Ditto.
3941         (solve_graph): Only propagate changed bits.
3942         Use indirect cycle elimination.
3943         Use find.
3944         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3945         (tree_id_eq): Renamed to ...
3946         (tree_vi_eq): This. Update for member change
3947         (insert_id_for_tree): Renamed and rewritten to ...
3948         (insert_vi_for_tree): This.
3949         (lookup_id_for_tree): Renamed and rewritten to ...
3950         (lookup_vi_for_tree): This.
3951         (get_id_for_tree): Renamed and rewritten to ...
3952         (get_vi_for_tree): Ditto.
3953         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3954         (process_constraint): Don't handle INCLUDES.
3955         Remove special ADDRESSOF case.
3956         (find_func_aliases): Rewrite to use vi functions instead of id
3957         ones.
3958         (create_function_info_for): Ditto.
3959         (create_variable_info_for): Ditto.
3960         (intra_create_variable_infos): Ditto.
3961         (merge_smts_into): Ditto.
3962         (find_what_p_points_to): Ditto.
3963         (init_base_vars): Ditto.
3964         (init_alias_vars): Ditto.
3965         (remove_preds_and_fake_succs): New function.
3966         (dump_sa_points_to_info): Dump new stats.
3967         (dump_solution_for_var): Use find.
3968         (set_used_smts): Fix formatting.
3969         (compute_points_to_sets): Updated for new functions.
3970         (ipa_pta_execute): Ditto.
3971
3972 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3973             Richard Sandiford  <richard@codesourcery.com>
3974
3975         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3976         parallels.
3977         * calls.c (expand_call): If the return value is a PARALLEL,
3978         extract its first member.
3979         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3980         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3981         use FUNCTION_EXTRA_EPILOGUE.
3982         (m68k_function_value): Return a PARALLEL if the return value
3983         is of a pointer type.
3984         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3985         (FUNCTION_EXTRA_EPILOGUE): Remove.
3986         * config/m68k/m68k.md (D0_REG): New constant.
3987
3988 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
3989
3990         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3991         output a NOP for empty epilogues.
3992
3993 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
3994
3995         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
3996         before function.  Extend register save check to include all
3997         registers, not just integer ones.
3998
3999 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4000
4001         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4002         (m68k_use_return_insn): ...this.
4003         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4004         * config/m68k/m68k.c (use_return_insn): Rename to...
4005         (m68k_use_return_insn): ...this.
4006         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4007         of USE_RETURN_INSN.
4008
4009 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4010
4011         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4012         nearest even, fix denormal rounding overflow.
4013
4014 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4015
4016         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4017         f%$smove and f%$move.
4018         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4019         (extendsfdf2_cf): Use fdmove instead of f%&move.
4020         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4021         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4022
4023 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4024
4025         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4026         GPR<-GPR moves.
4027
4028 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4029
4030         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4031         (coldfire_single_format): Declare.
4032         (coldfire_double_format): Likewise.
4033         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4034         of qnan_msb_set to determine the lower bits of a canonical
4035         NaN significand.
4036         (encode_ieee_double): Likewise.
4037         (encode_ieee_quad): Likewise.
4038         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4039         (mips_single_format): Likewise.
4040         (ieee_double_format): Likewise.
4041         (mips_double_format): Likewise.
4042         (ieee_extended_motorola_format): Likewise.
4043         (ieee_extended_intel_96_format): Likewise.
4044         (ieee_extended_intel_128_format): Likewise.
4045         (ieee_extended_intel_96_round_53_format): Likewise.
4046         (ibm_extended_format): Likewise.
4047         (mips_extended_format): Likewise.
4048         (ieee_quad_format): Likewise.
4049         (mips_quad_format): Likewise.
4050         (vax_f_format): Likewise.
4051         (vax_d_format): Likewise.
4052         (vax_g_format): Likewise.
4053         (i370_single_format): Likewise.
4054         (i370_double_format): Likewise.
4055         (decimal_single_format): Likewise.
4056         (decimal_double_format): Likewise.
4057         (decimal_quad_format): Likewise.
4058         (c4x_single_format): Likewise.
4059         (c4x_extended_format): Likewise.
4060         (real_internal_format): Likewise.
4061         (coldfire_single_format): New real_format.
4062         (coldfire_double_format): Likewise.
4063         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4064         canonical_nan_lsbs_set.
4065         (pdp11_d_format): Likewise.
4066         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4067         if TARGET_COLDFIRE_CPU.
4068
4069 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4070
4071         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4072         (output_call, m68k_legitimize_call_address): Declare.
4073         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4074         parenthesees.  Add support for a 'W' constraint.
4075         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4076         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4077         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4078         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4079         variables.
4080         (override_options): Initialize them.  Do not set flag_no_function_cse
4081         for TARGET_ID_SHARED_LIBRARY.
4082         (m68k_output_pic_call): Delete.
4083         (m68k_legitimize_call_address): New function.
4084         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4085         (output_call): New function.
4086         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4087         target address from the GOT if symbolic jumps are not allowed.
4088         * config/m68k/m68k.md (call, general_operand): Do not set
4089         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4090         Merge separate flag_pic and !flag_pic define_insns into...
4091         (*call, *call_value): ...these new patterns.  Match the address
4092         rather than the containing MEM and require it to be a call_operand.
4093         Use output_call to generate the asm template.
4094         * config/m68k/predicates.md (const_call_operand): New predicate.
4095         (call_operand): Likewise.
4096
4097 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4098
4099         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4100         (STACK_GROWS_DOWNWARD): Define to 1.
4101         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4102         comments, emphasizing that these values are only defaults.
4103         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4104         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4105
4106 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4107
4108         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4109
4110 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4111             Richard Sandiford  <richard@codesourcery.com>
4112
4113         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4114         (FP_REGNO_P): New macros.
4115         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4116         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4117         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4118         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4119
4120 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4121
4122         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4123         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4124         to $tmake_file.
4125         * config/m68k/t-floatlib: New file, extracting common code from...
4126         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4127         * config/m68k/t-uclinux: Here.
4128         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4129         routines on ColdFire targets.
4130
4131 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4132
4133         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4134         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4135         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4136         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4137         explicitly set MOTOROLA to 1.
4138         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4139
4140 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4141             Nathan Sidwell  <nathan@codesourcery.com>
4142
4143         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4144         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4145         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4146         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4147         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4148         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4149         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4150         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4151         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4152         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4153         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4154         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4155         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4156         (DBX_REGISTER_NUMBER): Delete.
4157         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4158         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4159         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4160
4161 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4162
4163         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4164         * config/flat.h: New file.
4165         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4166         OBJECT_FORMAT_FLAT.
4167         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4168         indirect references for -msep-data or -mid-shared-library.
4169         Do not use PC-relative code addresses either.
4170         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4171         to -mpcrel.
4172         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4173         for shared libraries and crt1.o for executables.  Use crti.o and
4174         crtbegin.o.
4175         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4176         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4177         Do not add -elf2flt or -shared-lib-id options here.
4178         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4179         Pass -shared-lib-id if -mid-shared-library, taking the library
4180         identifier from -mshared-library-id if given, otherwise
4181         defaulting to 0.
4182         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4183         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4184         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4185         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4186         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4187         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4188         and crtend.o.
4189         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4190         jump sequence for ISA A and ISA A+.
4191         (PICJUMP): Likewise.
4192
4193 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4194
4195         * config.gcc (m68k-*-uclinux*): Base the port on the common
4196         and m68k GNU/Linux files rather than on the generic ELF ones.
4197         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4198         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4199
4200 2007-01-18  Julian Brown  <julian@codesourcery.com>
4201             Richard Sandiford  <richard@codesourcery.com>
4202
4203         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4204         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4205         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4206         before redefining.
4207         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4208         80 unconditionally.
4209         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4210
4211 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4212
4213         * doc/install.texi: Document m68k-uclinuxoldabi.
4214         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4215         * config/m68k/uclinux-oldabi.h: New file, copied from
4216         config/m68k/uclinux.h.
4217
4218 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4219
4220         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4221         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4222         (m32r_compute_frame_size): Use unsigned for regno.
4223         (m32r_reload_lr): Use gen_frame_mem.
4224         (pop): New.
4225         (m32r_output_function_epilogue): Don't output the function epilogue
4226         textually here.
4227         (m32r_expand_epilogue): New.
4228         (direct_return): Return false if the function has the interrupt
4229         attribute.
4230         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4231         * config/m32r/m32r.md (epilogue): New expander.
4232         (return_lr, return_rte): New insns.
4233         (return): Make it expander.
4234         (return_normal): New expander.
4235
4236 2007-01-18  Josh Conner  <jconner@apple.com>
4237
4238         PR target/30485
4239         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4240         support for UNLE, UNLT, UNGE, and UNGT.
4241
4242 2007-01-18  Jan Hubicka  <jh@suse.cz>
4243
4244         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4245         * tree-tailcall (add_virtual_phis): Likewise.
4246         (optimize_tail_call): Return TODOs.
4247         (execute_tail_calls): Return TODOs.
4248         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4249         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4250         changed.
4251         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4252         Cleanup cfg using TODO.
4253         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4254         * passes.c (execute_function_todo): When cleanup did something, remove
4255         unused locals.
4256         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4257         (make_edges): Don't cleanup_cfg.
4258
4259 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4260
4261         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4262         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4263         operate on the top of stack.
4264         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4265         register handling of instructions that output to the second
4266         stack slot.
4267         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4268         (move_for_stack_reg): Special-case check for dead destination
4269         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4270
4271         * config/i386/i386.md (UNSPEC_TAN): New constant.
4272         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4273         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4274         to correctly model move of constant 1.0 to top stack slot.
4275         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4276         (unnamed peephole2 pattern): Remove corresponding peephole2
4277         pattern that optimizes tan insn and loading of constant 1.0.
4278         (tanxf2): Use fptanxf4_i387.
4279         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4280         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4281         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4282         disable patterns for SSE math.
4283         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4284         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4285
4286 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4287             Richard Guenther <rguenther@suse.de>
4288
4289         PR diagnostic/8268
4290         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4291         * common.opt (Warray-bounds): Add new warning option.
4292         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4293         if -Wall is given.
4294         * Makefile.in: make tree-vrp.o depend on toplev.h
4295         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4296         is enabled.
4297         (check_array_refs, check_array_bounds, check_array_ref): New.
4298
4299 2007-01-18  Jan Hubicka  <jh@suse.cz>
4300
4301         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4302         (execute_ssa_ccp): Return flags conditionally.
4303         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4304         changed.
4305         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4306
4307 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4308
4309         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4310         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4311
4312         * Makefile.c (GTFILES): Add cfglayout.h.
4313         * gengtype.c (open_base_files): Likewise.
4314         * cfglayout.c (cfg_layout_function_footer,
4315         cfg_layout_function_header) Reindent to make gengtype happy.
4316         * cfglayout.h (cfg_layout_function_footer,
4317         cfg_layout_function_header): Add GTY(()) marker.
4318
4319         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4320
4321 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4322
4323         * genautomata.c (write_automata): Include xstrerror output in the
4324         error message if writing the DFA description file fails.
4325
4326 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4327
4328         * config/mips/mips-protos.h (mips_output_external): Make it
4329         return void.
4330         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4331         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4332         (extern_list): Likewise.
4333         (extern_head): Likewise.
4334         (TARGET_ASM_FILE_END): Likewise.
4335         (mips_file_end): Likewise.
4336         (mips_output_external): Rewritten.
4337
4338 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4339
4340         * genpreds.c (write_insn_preds_c): Only write out the function
4341         body for regclass_for_constraint if we have register constraints.
4342
4343 2007-01-17  Tom Tromey  <tromey@redhat.com>
4344
4345         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4346         * doc/install.texi (Testing): Use sourceware.org.
4347         (Binaries): Likewise.
4348         (Specific): Likewise.
4349         * doc/contrib.texi (Contributors): Use sourceware.org.
4350
4351 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4352
4353         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4354         (AVR_ENHANCED): Rename to ...
4355         (AVR_HAVE_MUL): ... new.
4356         (avr_enhanced_p): Rename to ...
4357         (avr_have_mul_p): ... new.
4358         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4359         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4360         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4361         (avr_have_mul_p): ... new.
4362         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4363         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4364         'avr_enhanced_p' and 'enhanced'.
4365         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4366         AVR_HAVE_MUL instead of AVR_ENHANCED.
4367         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4368         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4369         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4370         instead of AVR_ENHANCED.
4371         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4372         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4373         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4374
4375 2007-01-17  Ian Lance Taylor  <iant@google.com>
4376
4377         * vec.h (VEC_reserve_exact): Define.
4378         (vec_gc_p_reserve_exact): Declare.
4379         (vec_gc_o_reserve_exact): Declare.
4380         (vec_heap_p_reserve_exact): Declare.
4381         (vec_heap_o_reserve_exact): Declare.
4382         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4383         versions.
4384         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4385         negative parameter.
4386         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4387         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4388         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4389         * vec.c (calculate_allocation): Add exact parameter.  Change all
4390         callers.
4391         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4392         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4393         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4394         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4395         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4396         (vec_heap_p_reserve_exact): New function.
4397         (vec_heap_o_reserve_exact): New function.
4398
4399 2007-01-17  Jan Hubicka  <jh@suse.cz>
4400
4401         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4402
4403 2007-01-17  Eric Christopher  <echristo@apple.com>
4404
4405         * config.gcc: Support core2 processor.
4406
4407 2007-01-16  Jan Hubicka  <jh@suse.cz>
4408
4409         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4410         the names, just unlink the chain so we don't crash on dangling pointers
4411         to dead SSA names.
4412
4413 2007-01-16  Jan Hubicka  <jh@suse.cz>
4414
4415         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4416         * tree-pass.h: Reorder to make IPA passes appear toegher.
4417         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4418         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4419         parameters, do not call early inliner.
4420         * ipa-inline.c: Update comments.  Include tree-flow.h
4421         (cgraph_decide_inlining): Do not compute inlining parameters.
4422         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4423         be called with function context set up.
4424         (pass_ipa_inline): Remove unreachable functions before pass.
4425         (cgraph_early_inlining): Simplify assuming to be called from the
4426         PM as local pass.
4427         (pass_early_inline): New pass.
4428         (cgraph_gate_ipa_early_inlining): New gate.
4429         (pass_ipa_early_inline): Turn into simple wrapper.
4430         (compute_inline_parameters): New function.
4431         (gate_inline_passes): New gate.
4432         (pass_inline_parameters): New pass.
4433         (apply_inline): Move here from tree-optimize.c
4434         (pass_apply_inline): New pass.
4435         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4436         transforming.
4437         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4438         doing them by hand.
4439         (tree_function_versioning): Do not allocate dummy struct function.
4440         * tree-inline.h (optimize_inline_calls): Update prototype.
4441         * tree-optimize.c (execute_fixup_cfg): Export.
4442         (pass_fixup_cfg): Remove
4443         (tree_rest_of_compilation): Do not apply inlines.
4444         * tree-flow.h (execute_fixup_cfg): Declare.
4445         * Makefile.in (gt-passes.c): New.
4446         * passes.c: Include gt-passes.h
4447         (init_optimization_passes): New passes.
4448         (nnodes, order): New static vars.
4449         (do_per_function_toporder): New function.
4450         (execute_one_pass): Dump current pass here.
4451         (execute_ipa_pass_list): Don't dump current pass here.
4452
4453 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4454
4455         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4456         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4457
4458 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4459
4460         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4461         (strong_alias): Define.
4462         (__gcc_qmul): Provide non-FMA for soft-float.
4463         (__gcc_qdiv): Same.
4464         (__gcc_qneg): New.
4465         (__gcc_qeq): New.
4466         (__gcc_qle): New.
4467         (__gcc_qge): New.
4468         (__gcc_qunord): New.
4469         (__gcc_stoq): New.
4470         (__gcc_dtoq): New.
4471         (__gcc_qtos): New.
4472         (__gcc_qtod): New.
4473         (__gcc_qtoi): New.
4474         (__gcc_qtou): New.
4475         (__gcc_itoq): New.
4476         (__gcc_utoq): New.
4477         (fmsub): New.
4478         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4479         soft-float functions.
4480         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4481         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4482         about long double soft float.
4483
4484 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4485             Tehila Meyzels  <tehila@il.ibm.com>
4486
4487         * tree-vectorizer.h (is_pattern_stmt_p): New.
4488         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4489         formatting (tabs instead of spaces). Cleanup and clarify setting
4490         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4491         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4492         (vectorizable_type_demotion): Check that types are integral.
4493         (vectorizable_type_promotion): Likewise.
4494         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4495         comments.
4496
4497 2007-01-16  Jan Hubicka  <jh@suse.cz>
4498
4499         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4500         cgraph edges too.
4501
4502 2007-01-15  Eric Christopher  <echristo@apple.com>
4503
4504         * ifcvt.c: Include vec.h, vecprim.h.
4505         (check_cond_move_block): New argument regs.
4506         Reorganize. Add registers used to regs.
4507         (cond_move_process_if_block): Use regs set above as
4508         loop bounds.
4509
4510 2007-01-15  Eric Christopher  <echristo@apple.com>
4511
4512         * config/darwin.h: Update copyright.
4513         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4514         (LINK_COMMAND_SPEC): Add -u.
4515         (LINK_SPEC): Fix umbrella for above.
4516
4517 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4518
4519         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4520         glibc CVS.
4521
4522 2007-01-15  Tom Tromey  <tromey@redhat.com>
4523
4524         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4525         * doc/install.texi (Testing): Don't mention jacks.
4526         (Configuration): Document --enable-java-maintainer-mode.  Move
4527         --with-java-home to libgcj-specific section.  Document
4528         --with-ecj-jar.
4529         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4530
4531 2007-01-15  Jan Hubicka  <jh@suse.cz>
4532
4533         * tree-ssa-dce.c (DCE_TODOs): New.
4534         (propagate_necessity): Return if something changed.
4535         (eliminate_unnecessary_stmts): Likewise.
4536         (perform_tree_ssa_dce): Return TODO flags when needed.
4537         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4538
4539 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4540
4541         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4542         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4543         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4544         patterns using X87MODEF12 mode macro.  Extend operand 1
4545         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4546         (log10<mode>2): Ditto.
4547         (log2<mode>2): Ditto.
4548         (log1p<mode>2): Ditto.
4549         (logb<mode>2): Ditto.
4550         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4551         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4552         (*fxtractxf3_i387): Rename from *fxtractxf3.
4553         (fxtract_extend<mode>xf3_i387): New insn pattern.
4554         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4555         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4556         and gen_fyl2xxf3_i387().
4557
4558 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4559
4560         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4561         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4562         get_loop_exit_edges.  Changed return type to bool.
4563         * cfgloop.h (fix_loop_placement): Declaration removed.
4564
4565 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4566
4567         * param.h (MIN_VECT_LOOP_BOUND): New.
4568         * params.def (MIN_VECT_LOOP_BOUND): New.
4569         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4570         argument - minimum threshold for number of iterations.
4571         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4572         argument to declaration.
4573         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4574         MIN_VECT_LOOP_BOUND.
4575         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4576         slpeel_tree_peel_loop_to_edge with additional argument.
4577         (vect_do_peeling_for_alignment): Likewise.
4578         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4579
4580 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4581
4582         PR target/30413
4583         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4584         operands of size 1.
4585
4586 2007-01-14  Jan Hubicka  <jh@suse.cz>
4587
4588         * tree-dfa.c (remove_referenced_var): New function.
4589         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4590         prune referenced vars list too.
4591         * tree-flow.h (remove_referenced_var): Declare.
4592
4593 2007-01-14  Jan Hubicka  <jh@suse.cz>
4594
4595         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4596         separately.
4597         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4598         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4599         * except.h (verify_eh_throw_table_statements): Kill prototype.
4600         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4601         into call exrepssions.
4602         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4603         eh trhow verifier.
4604         * tree-cfg.c: Include pointer-set.h.
4605         (verify_node_sharing): Work on pointer set.
4606         (verify_eh_throw_stmt_node): New.
4607         (verify_stmts): Use pointers sets, verify throw_stmt.
4608
4609 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4610
4611         * ipa-reference.c (analyze_function): Consider also addresses taken
4612         in phi nodes.
4613
4614 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4615
4616         * c-typeck.c (null_pointer_constant_p): Replace use of
4617         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4618         (build_c_cast): Likewise.
4619
4620 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4621
4622         * tree.h (force_fit_type_double): Remove unused final argument.
4623         * c-common.c (constant_expression_warning): Replace use of
4624         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4625         (convert_and_check): Likewise.
4626         (shorten_compare): Update call to force_fit_type_double.
4627         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4628         * convert.c (convert_to_pointer): Update call to
4629         force_fit_type_double.
4630         * fold-const.c (force_fit_type_double): Remove overflowed_const
4631         argument.
4632         (int_const_binop, fold_convert_const_int_from_int,
4633         fold_convert_const_int_from_real, fold_div_compare,
4634         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4635         fold_abs_const, fold_not_const): Remove the final argument from
4636         calls to force_fit_type_double.
4637
4638 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4639
4640         * configure.ac: Set insn to "nop" for spu-*-* also.
4641         * configure: Regenerate.
4642
4643 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4644
4645         * builtins.def : Add BUILT_IN_FREE.
4646
4647 2007-01-12  Jan Hubicka  <jh@suse.cz>
4648
4649         PR tree-optimization/30443
4650         * tree-inline.c (tree_function_versioning): Do not optimize when
4651         cloning for inlining.
4652
4653 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4654
4655         * doc/loop.texi: Document recording of loop exits.
4656         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4657         (update_single_exits_after_duplication,
4658         update_single_exit_for_duplicated_loop,
4659         update_single_exit_for_duplicated_loops): Removed.
4660         (duplicate_loop_to_header_edge): Do not call
4661         update_single_exits_after_duplication and
4662         update_single_exit_for_duplicated_loops.
4663         (loop_version): Do not update single_exit information.
4664         (fix_loop_structure): Use record_loop_exits instead of
4665         mark_single_exit_loops.
4666         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4667         the lists of loop exits.
4668         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4669         split_edge, merge_blocks): Update the lists of loop exits.
4670         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4671         loop_optimizer_init.
4672         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4673         of mark_single_exit_loops.
4674         (loop_optimizer_finalize): Call release_recorded_exits.
4675         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4676         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4677         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4678         update single exit information.
4679         * lambda-code.c (perfect_nestify): Ditto.
4680         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4681         (mark_single_exit_loops): Removed.
4682         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4683         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4684         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4685         functions.
4686         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4687         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4688         (verify_loop_structure): Verify consistency of the exit lists.
4689         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4690         (set_single_exit): Removed.
4691         * cfgloop.h (struct loop_exit): New function.
4692         (struct loop): single_exit_ field replaced by exits field.
4693         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4694         (struct loops): Added exits hash.
4695         (mark_single_exit_loops, set_single_exit): Declaration removed.
4696         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4697
4698 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4699
4700         * doc/invoke.texi: Avoid use of @headitem.
4701
4702 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4703
4704         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4705
4706 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4707
4708         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4709         list of targets.
4710
4711 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4712             Richard Sandiford  <richard@codesourcery.com>
4713
4714         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4715         * config/m68k/m68k.opt: Resort options.
4716         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4717
4718 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4719             Richard Sandiford  <richard@codesourcery.com>
4720
4721         * doc/invoke.texi: Document the macros that are defined by
4722         m68k's -mtune and -mhard-float options.
4723         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4724         (m68k_cpp_cpu_family): Likewise.
4725         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4726         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
4727         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
4728         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4729         (m68k_cpp_cpu_family): Likewise.
4730
4731 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4732
4733         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4734         macros besides mc68000 as tuning macros.  Use a switch statement
4735         to set them and mcpu32.
4736
4737 2007-01-12  Julian Brown  <julian@codesourcery.com>
4738
4739         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4740         (TARGET_68040_ONLY): Rename to...
4741         (TARGET_68040): ...this.
4742         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4743         * config/m68k/m68k.md: Likewise.
4744
4745 2007-01-12  Julian Brown  <julian@codesourcery.com>
4746             Nathan Sidwell  <nathan@codesourcery.com>
4747             Richard Sandiford  <richard@codesourcery.com>
4748
4749         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4750         the -mcpu= argument associated with the --with-cpu setting.
4751         Define M68K_DEFAULT_TUNE to the default -mtune= option,
4752         if different from the one implied by the -mcpu setting.
4753         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4754         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
4755         * doc/invoke.texi: Mention ColdFire in the introduction to the
4756         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
4757         -mno-div and -mhard-float options.  Make -m68881 a synonym for
4758         -mhard-float.  Document the previously-undocumented -m5206e,
4759         -m528x, -m5307 and -m5407 options.  Tweak the existing option
4760         documentation for consistency.
4761         * doc/install.texi: Mention new --with-cpu arguments.
4762         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4763         default CPU if neither -mcpu nor -march are specified.
4764         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4765         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4766         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
4767         using m68k_tune to decide between families that implement the
4768         same ISA.  Use m68k_tune to set __mcfv4e__.
4769         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4770         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4771         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4772         (FL_ISA_C, FL_ISA_MMU): New macros.
4773         (MASK_COLDFIRE): Delete.
4774         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4775         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4776         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4777         (TARGET_HARD_FLOAT): Do not define here.
4778         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4779         (TUNE_68000): New macro.
4780         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4781         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4782         (TUNE_CFV2): Redefine in terms of m68k_tune.
4783         (uarch_type, target_device, fpu_type): New enums.
4784         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4785         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4786         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4787         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4788         (FL_FOR_isa_c): New macros.
4789         (m68k_isa): New enum.
4790         (m68k_target_selection): New structure.
4791         (all_devices, all_isas, all_microarchs): New tables.
4792         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4793         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4794         (MASK_ALL_CPU_BITS): Delete.
4795         (m68k_find_selection): New function.
4796         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4797         Map the legacy target options to a combination of the new ones.
4798         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4799         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
4800         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4801         settings.
4802         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4803         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4804         properties.
4805         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4806         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4807         * config/m68k/m68k-devices.def: New file.
4808
4809 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4810             Nathan Sidwell  <nathan@codesourcery.com>
4811
4812         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4813         (SUBTARGET_EXTRA_SPECS): New macros.
4814         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4815         use %(asm_cpu_spec) instead.
4816         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4817         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4818         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4819         (EXTRA_SPECS): Rename to...
4820         (SUBTARGET_EXTRA_SPECS): ...this.
4821
4822 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
4823             Richard Sandiford  <richard@codesourcery.com>
4824             Julian Brown  <julian@codesourcery.com>
4825
4826         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4827         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4828         to the configuration's default CPU.
4829         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4830         Remove default masks.
4831         (m680[012]0-*-*): Set the default with_cpu to the first part of
4832         the target name.
4833         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4834         (m68k*-*-linux): Extend the --with-cpu handling to...
4835         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
4836         and m68010.  Don't set target_cpu_default2.
4837         * doc/install.texi: Document --with-cpu for m68k.
4838         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4839         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4840         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4841         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4842         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4843         (ASM_SPEC): Remove use of %(asm_cpu_default).
4844         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4845         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4846         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
4847         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4848         __HAVE_FPU__ if TARGET_HARD_FLOAT.
4849         (TARGET_DEFAULT): Delete.
4850         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4851         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4852         (CPP_CPU_SPEC): Delete.
4853         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4854         the appropriate string.
4855         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4856         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4857         (ASM_SPEC): Don't use %(asm_default_spec).
4858         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4859         TARGET_DEFAULT and add MASK_68881.
4860         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4861
4862 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4863
4864         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4865         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4866         MASK_68010 alongside MASK_68020.
4867         * doc/invoke.texi: Document -m68010.
4868         * config/m68k/m68k.opt (m68010): New.
4869         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4870         if TUNE_68010.
4871         (TUNE_68010): New macro.
4872         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4873         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4874         (M68K_CPU_m68332): Add MASK_68010.
4875         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4876         fallback definition.
4877         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4878         defines.
4879         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4880         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
4881         to all entries that use MASK_68020.
4882         (output_move_simode_const, output_move_himode, output_move_qimode)
4883         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4884         instead of TARGET_68020 to select clr behavior.  Remove comment
4885         about there being no TARGET_68010.
4886         * config/m68k/m68k.md: Likewise throughout.
4887
4888 2007-01-12  Julian Brown  <julian@codesourcery.com>
4889
4890         * config/m68k/m68k.h (TARGET_ISAB): New macro.
4891         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4892         * config/m68k/m68k.md: Likewise.
4893
4894 2007-01-12  Julian Brown  <julian@codesourcery.com>
4895
4896         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4897         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4898
4899 2007-01-12  Julian Brown  <julian@codesourcery.com>
4900
4901         * config/m68k/m68k.h (TUNE_68040_60): New macro.
4902         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4903         * config/m68k/m68k.md: Likewise.
4904
4905 2007-01-12  Julian Brown  <julian@codesourcery.com>
4906             Richard Sandiford  <richard@codesourcery.com>
4907
4908         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4909         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4910         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4911         TARGET_CPU32.
4912         (TARGET_CPU32): Rename to...
4913         (TUNE_CPU32): ...this.
4914         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4915         (TUNE_CFV2): New macros.
4916         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4917         remove conditions that are implied by TARGET_68020.
4918         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4919         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4920         (m68k_output_function_epilogue): Likewise.
4921         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
4922         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
4923         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4924         non-68000 timings.  Refactor multiplication and division costs.
4925         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4926         TUNE_CPU32 instead of TARGET_CPU32.
4927         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4928         and TUNE_68060 instead of TARGET_68060.
4929         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4930         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4931         TARGET_CPU32.
4932         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4933         && !TARGET_COLDFIRE" to choose between moveq and clr.
4934         Likewise in the unnamed movsf pattern.
4935         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4936         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
4937         ashiftrt pattern.
4938
4939 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4940
4941         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4942         of tabbing before backslashes.
4943
4944 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4945
4946         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4947         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4948         (ASM_OUTPUT_INTERNAL_LABEL): Define.
4949
4950 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4951
4952         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4953         find_interesting_uses_cond.
4954         (find_interesting_uses_cond): Use extract_cond_operands.
4955         (rewrite_use_compare): Use extract_cond_operands and
4956         force_gimple_operand_bsi.  Do not call update_stmt.
4957         (determine_use_iv_cost_condition): Use extract_cond_operands.
4958         Return cheaper of using original bound and changing the exit bound.
4959
4960 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4961
4962         PR tree-optimization/29516
4963         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4964         most_expensive_mult_to_index, addr_to_parts,
4965         create_mem_ref, maybe_fold_tmr): Make the type of
4966         fields of TARGET_MEM_REF sizetype.
4967         (move_fixed_address_to_symbol, move_pointer_to_base):
4968         New functions.
4969         * tree.def (TARGET_MEM_REF): Add comment on types of
4970         the operands.
4971
4972 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
4973
4974         * c-common.c (vector_types_convertible_p): Treat opaque types as
4975         always convertible if they have the same size, but not otherwise.
4976
4977 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
4978
4979         * ifcvt.c (struct noce_if_info): Add comments to the fields.
4980         Remove the b_unconditional field.
4981         (noce_try_sign_mask): Do not look at b_unconditional.
4982         (noce_process_if_block): Do not use merge_if_blocks.  Update
4983         the CFG here.  Do not set b_unconditional.
4984         (cond_move_process_if_block): Likewise.
4985         (find_cond_trap): Likewise.
4986         (check_cond_move_block): Require simple jump insns at the end
4987         of the basic block.
4988
4989 2007-01-11  Jan Hubicka  <jh@suse.cz>
4990
4991         PR tree-optimization/1046
4992         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
4993         when alias info is not ready.
4994         (pass_tail_recursion): Do not require aliasing.
4995         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
4996         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
4997         * tree-ssa-copy.c (pass_copy_prop): Likewise.
4998         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4999         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5000         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5001         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5002         before inlining.
5003         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5004         When aliasing is not build, mark statement as volatile.
5005
5006 2007-01-11  Tom Tromey  <tromey@redhat.com>
5007
5008         PR preprocessor/15185, PR preprocessor/20989:
5009         * doc/cppopts.texi <-MT>: Update description of algorithm for
5010         computing default target.
5011         <-M, -MD>: Reword "basename" text.
5012
5013 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5014
5015         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5016         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5017         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5018         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5019         fold_builtin_bswap, real_constp, fold_builtin_pow,
5020         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5021         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5022         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5023         * convert.c (convert_to_pointer): Likewise.
5024         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5025         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5026         const_binop, fold_convert_const_int_from_int,
5027         fold_convert_const_int_from_real,
5028         fold_convert_const_real_from_real, sign_bit_p,
5029         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5030         fold_sign_changed_comparison, fold_unary, fold_comparison,
5031         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5032         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5033         * print-tree.c (print_node_brief, print_node): Likewise.
5034         * stor-layout.c (place_field, layout_type): Likewise.
5035         * tree-chrec.c (keep_cast): Likewise.
5036         * tree.c (build_vector, build_real, build_real_from_int_cst,
5037         build_complex): Likewise.
5038
5039 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5040
5041         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5042         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5043
5044 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5045
5046         * configure.ac (strict1_warn): Rename to strict_warn.
5047         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5048         cc_set_by_configure, quoted_cc_set_by_configure,
5049         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5050         all_boot_languages, all_stagestuff): Remove.
5051         (target_list): Remove bootstrap targets.
5052         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5053         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5054         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5055         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5056         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5057         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5058         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5059         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5060         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5061         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5062         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5063         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5064         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5065         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5066         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5067         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5068         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5069         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5070         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5071         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5072         (mostlyclean): Adjust.
5073         (clean, distclean): Don't mention bootstrap stuff.
5074         * configure: Regenerate.
5075         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5076         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5077         treelang/config-lang.in (stagestuff): Remove.
5078         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5079         stageprofile, stagefeedback, stagestuff): Remove mention.
5080
5081 2007-01-11  Nick Clifton  <nickc@redhat.com>
5082
5083         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5084         Accept CONSTs.
5085         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5086         (mcore_arith_K_S_operand): Run the test for the S constraint not
5087         the test for the M constraint.
5088         (mcore_addsub_operand): Do not accept integer values that are
5089         larger than 32 bits.
5090         * config/mcore/mcore.md: Remove unused constraints from split.
5091         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5092         (addsi3): Likewise.
5093         (allocate_stack): Likewise.
5094         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5095         operands to 32 bits.
5096         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5097         INTVAL.
5098         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5099         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5100         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5101         mcore_output_bclri, mcore_output_andn, output_inline_const,
5102         mcore_output_move, mcore_output_movedouble): Likewise.
5103         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5104         (output_inline_const): Likewise.
5105         (output_inline_const): Fix format strings used in sprintf
5106         statements.
5107         * config/mcore/mcore-protos.h: Update prototypes for changed
5108         functions in mcore.c.
5109         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5110         HOST_WIDE_INT and not int.
5111         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5112         CONST_OK_FOR_N): Likewise.
5113         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5114         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5115         an INTVAL.
5116
5117 2007-01-10  Jan Hubicka  <jh@suse.cz>
5118
5119         * tree-vrp.c (remove_range_assertions): Release defs.
5120         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5121         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5122
5123 2007-01-10  Paul Brook  <paul@codesourcery.com>
5124
5125         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5126         * config/arm/arm.md (mulsi3subsi): New insn.
5127
5128 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5129
5130         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5131         (tree_transform_and_unroll_loop): New.
5132         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5133         Declare.
5134
5135 2007-01-10  Robert Kennedy <jimbob@google.com>
5136
5137         * fold-const.c (fold_comparison): Fold comparisons like (x *
5138         1000 < 0) to (x < 0).
5139
5140 2007-01-10  Ian Lance Taylor  <iant@google.com>
5141
5142         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5143         operands have the same priority.
5144
5145 2007-01-10  Tom Tromey  <tromey@redhat.com>
5146
5147         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5148         (fold_binary): Likewise.
5149         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5150         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5151         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5152         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5153         * langhooks.h (struct lang_hooks): Removed field
5154         'can_use_bit_fields_p'.
5155
5156 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5157
5158         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5159
5160 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5161
5162         * function.c (get_last_funcdef_no): New function.
5163         * function.h (get_last_funcdef_no): Declare.
5164         * tree-inline.c (initialize_cfun): Add initialization.
5165         (tree_function_versioning): Cleanup.
5166
5167 2007-01-10  Jan Hubicka  <jh@suse.cz>
5168
5169         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5170         PHIs.
5171
5172 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5173             Ben Elliston  <bje@au.ibm.com>
5174
5175         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5176         for SAVE_NONLOCAL and Pmode for any other save level.
5177         * spu-protos.h (spu_restore_stack_block): Declare.
5178         * spu.md (save_stack_block): Remove.
5179         (restore_stack_block): Call spu_restore_stack_block.
5180         * spu.c (spu_restore_stack_block): New function.
5181         (spu_expand_epilogue): Remove old comment.
5182
5183 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5184
5185         PR tree-optimization/30322
5186         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5187         (cand_value_at): Return the value as aff_tree.
5188         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5189         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5190         aff_combination_mult): New functions.
5191         (aff_combination_add): Use aff_combination_add_cst.
5192         (aff_combination_convert): Allow conversions to a wider type.
5193         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5194         * tree-affine.h (aff_combination_mult): Declare.
5195
5196 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5197
5198         * doc/tm.texi: Update documentation to reflect reality of exec
5199         and start file search behaviours. Update copyright year.
5200         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5201         header file directories.
5202
5203 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5204
5205         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5206         (*cosxf2): Rename to cosxf2_i387.
5207         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5208         using X87MODEF12 mode macro. Rename patterns to
5209         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5210         for SSE math.
5211         (*cosdf2, *cossf2): Ditto.
5212         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5213         to match extended input operands.
5214         (sincos<mode>3): New expander.
5215         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5216         insn patterns and corresponding splitters.
5217
5218 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5219
5220         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5221         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5222
5223 2007-01-09  Nicolas Pitre  <nico@cam.org>
5224
5225         PR target/30173
5226         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5227
5228 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5229
5230         * target.h (struct gcc_target): New field library_rtti_comdat.
5231         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5232         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5233         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5234         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5235
5236 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5237
5238         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5239
5240 2007-01-08  Richard Guenther  <rguenther@suse.de>
5241
5242         * tree.h (force_fit_type_double): Export.
5243         (force_fit_type): Remove.
5244         * fold-const.c (force_fit_type_double): New function.
5245         (force_fit_type): Remove.
5246         (int_const_binop): Use it.
5247         (fold_convert_const_int_from_int): Likewise.
5248         (fold_convert_const_int_from_real): Likewise.
5249         (fold_div_compare): Likewise.
5250         (fold_sign_changed_comparison): Likewise.
5251         (fold_unary): Likewise.
5252         (fold_negate_const): Likewise.
5253         (fold_abs_const): Likewise.
5254         (fold_not_const): Likewise.
5255         * c-common.c (shorten_compare): Use force_fit_type_double.
5256         * convert.c (convert_to_pointer): Likewise.
5257
5258 2007-01-08  Richard Guenther  <rguenther@suse.de>
5259
5260         * tree.h (build_int_cst_wide_type): Export.
5261         * tree.c (build_int_cst_wide_type): New function.
5262         (build_int_cst_wide): Fix comment.
5263         * builtins.c (fold_builtin_object_size): Use build_int_cst
5264         to build -1 or 0 of the correct type.  Use fit_double_type
5265         to check for overflow.
5266         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5267         to build the mask.
5268         (decode_field_reference): Likewise.
5269         (all_ones_mask_p): Likewise.
5270         (native_interpret_int): Use build_int_cst_wide_type.
5271         (fold_binary): Use build_int_cst_type to build an all-ones
5272         value.
5273         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5274
5275 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5276
5277         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5278
5279 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5280
5281         * genautomata.c (STATS_OPTION): New option.
5282         (stats_flag): New flag.
5283         (gen_automata_option): Handle it.
5284         (initiate_automaton_gen): Ditto.
5285         (write_automata): Output statistics only if stats_flag is
5286         set. Likewise, output time statistics only if time_flag is set.
5287         * doc/md.texi (Processor pipeline description): Document new flag.
5288
5289 2007-01-08  Richard Guenther  <rguenther@suse.de>
5290
5291         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5292         * tree.c (build_int_cst_type): Likewise.
5293         (size_in_bytes): Don't call force_fit_type on the result.
5294         (int_fits_type_p): Use fit_double_type.
5295         * fold-const.c (fit_double_type): New function.
5296         (force_fit_type): Use it.
5297         * tree.h (fit_double_type): Export.
5298
5299 2007-01-08  Jan Hubicka  <jh@suse.cz>
5300
5301         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5302         * ipa.c (function_and_variable_visibility): Fix return type.
5303
5304 2007-01-08  Richard Guenther  <rguenther@suse.de>
5305
5306         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5307         of offset to build the index.
5308         * tree-pretty-print.c (dump_generic_node): Don't build negated
5309         const just for printing.
5310         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5311         * builtins.c (fold_builtin_int_roundingfn): Check if result
5312         fits the type by using force_fit_type and comparing the result.
5313         * predict.c (predict_loops): Use compare_tree_int for comparison.
5314         * tree.c (build_int_cst): Fall back to integer_type_node for
5315         NULL_TREE type.
5316         (build_int_cst_wide): Assert type is non-null.
5317
5318 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5319
5320         * tree-vrp.c (extract_range_from_cond_expr): New.
5321         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5322         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5323         as expressions.
5324         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5325         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5326         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5327         used as expressions.
5328         * tree-object-size.c (cond_expr_object_size): New.
5329         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5330
5331 2007-01-08  Jan Hubicka  <jh@suse.cz>
5332
5333         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5334         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5335         statement.
5336
5337 2007-01-08  Richard Guenther  <rguenther@suse.de>
5338
5339         PR tree-optimization/23603
5340         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5341         (extract_range_from_binary): Fall back to truthvalue instead of
5342         varying for TRUTH_*_EXPR.
5343         (extract_range_from_comparison): Fall back to truthvalue instead of
5344         varying.
5345         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5346         if all visited PHI values were constant.
5347
5348 2007-01-08  Jan Hubicka  <jh@suse.cz>
5349
5350         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5351         (cgraph_analyze_function): break out from ...
5352         (cgraph_finalize_compilation_unit): ... here.
5353         (cgraph_expand_function): Remove forgoten commented out line.
5354         (cgraph_optimize): Analyze functions.
5355
5356 2007-01-08  Jan Hubicka  <jh@suse.cz>
5357
5358         * tree-pas.h (TODO_remove_function): New flag.
5359         (TODO_update*): Renumber.
5360         (pass_ipa_increase_alignment,
5361         pass_ipa_function_and_variable_visibility): New passes.
5362         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5363         (cgraph_function_and_variable_visibility): Move to ipa.c
5364         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5365         cgraph_increase_alignment.
5366         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5367         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5368         calling tree-inline.
5369         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5370         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5371         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5372         (gate_increase_alignment): New function.
5373         (pass_ipa_increase_alignment): New pass.
5374         * ipa.c: Inline tree-pass.h and timevar.h
5375         (function_and_variable_visibility): Move here from cgraphunit.c
5376         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5377         * passes.c (init_optimization_passes): Add the two new passes.
5378         (execute_todo): Handle cgraph_remove_functions.
5379
5380 2007-01-08  Nick Clifton  <nickc@redhat.com>
5381
5382         * config/frv/predicates.md (reg_or_0_operand): Accept
5383         CONST_DOUBLEs.
5384
5385 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5386
5387         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5388         * config.gcc: Add bfin*-rtems*.
5389
5390 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5391
5392         * c.opt: Add -flax-vector-conversions.
5393         * c-typeck.c (convert_for_assignment): Pass flag to
5394         vector_types_convertible_p to allow emission of note.
5395         (digest_init): Likewise.
5396         * c-opts.c: Handle -flax-vector-conversions.
5397         * c-common.c (flag_lax_vector_conversions): New.
5398         (vector_types_convertible_p): Unless -flax-vector conversions
5399         has been passed, disallow conversions between vectors with
5400         differing numbers of subparts and/or element types.  If such
5401         a conversion is disallowed, possibly emit a note on the first
5402         occasion only to inform the user of -flax-vector-conversions.
5403         The new last argument specifies this.
5404         * c-common.h (flag_lax_vector_conversions): New.
5405         (vector_types_convertible_p): Add extra argument.
5406         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5407         char_type_node for V*QI type vectors.
5408         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5409         Update to satisfy new typechecking rules.
5410         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5411         C and C++ variants.
5412         * doc/invoke.texi (C Dialect Options): Document
5413         -flax-vector-conversions.
5414
5415 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5416
5417         PR tree-optimization/29877
5418         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5419         a register variable on the RHS to not be replaceable.
5420
5421 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5422         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5423         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5424         const_simm15, const_pow2, const_npow2): Added.
5425         * config/score/misc.md (insv, extv, extzv, movmemsi,
5426         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5427         * config/score/score.c (score_address_cost, score_select_cc_mode):
5428         Added.
5429         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5430         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5431         Update score_print_operand.
5432         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5433         Adjust register allocate order and update some macro define.
5434         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5435         mdx_block_move_straight, mdx_block_move_loop_head,
5436         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5437         mdx_block_move): Added.
5438         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5439         mdp_limm): Updated and fix some bug and typo.
5440         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5441         (movsf, movdf, doloop_end): Added.
5442
5443 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5444
5445         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5446         config/arm/thumb2.md: Fix comment typos.
5447         * doc/extend.texi: Fix a typo.
5448
5449 2007-01-07  Eric Christopher  <echristo@apple.com>
5450
5451         * configure.ac: Check for __stack_chk_fail for darwin.
5452         * configure: Regenerate.
5453
5454 2007-01-07  Richard Guenther  <rguenther@suse.de>
5455
5456         * tree-vrp.c (extract_range_from_assert): CSE calls to
5457         compare_values where possible.
5458         (extract_range_from_unary_expr): Likewise.
5459
5460 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5461
5462         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5463         * config/avr/avr.c (call_insn_operand): Delete function.
5464         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5465         instead of register number. Use predicates.
5466         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5467         call_insn_operand): Add.
5468
5469 2007-01-06  Jan Hubicka  <jh@suse.cz>
5470
5471         * tree-pass.h (pass_build_cgraph_edges): Declare.
5472         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5473         (visited_nodes): Remove.
5474         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5475         build_cgrpah_edges; make visited_nodes local.
5476         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5477         (record_references_in_initializer): Move to cgraphbuild.c
5478         (initialize_inline_failed, rebuild_cgraph_edges,
5479         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5480         (verify_cgraph_node): Make visited_nodes local.
5481         (cgraph_analyze_function): Do not call cgraph_create_edges and
5482         initialize_inline_failed.
5483         (cgraph_expand_function): Do not call cgraph_lower_function;
5484         assert that function is already lowered.
5485         * Makefile.in (cgraphbuild.o): New.
5486         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5487         at the end of lowering passes.
5488
5489 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5490
5491         * ifcvt.c (cond_move_convert_if_block): New function, code
5492         factored out from...
5493         (cond_move_process_if_block): ...here.  Call the new function
5494         on the THEN and ELSE blocks.
5495         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5496         already takes care of this.
5497
5498 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5499
5500         PR c/19978
5501         * tree.h (TREE_OVERFLOW_P): New.
5502         * c-typeck.c (parser_build_unary_op): Warn only if result
5503         overflowed and operands did not.
5504         (parser_build_binary_op): Likewise.
5505         (convert_for_assignment): Remove redundant overflow_warning.
5506         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5507
5508 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5509
5510         * c-typeck.c (store_init_value): Split over two lines to follow
5511         the GNU coding style.
5512
5513 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5514
5515         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5516         __GXX_EXPERIMENTAL_CXX0X__.
5517         * doc/cpp.texi: Same.
5518
5519 2007-01-05  Richard Guenther  <rguenther@suse.de>
5520
5521         PR middle-end/27826
5522         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5523         with mismatched types.  Instead explicitly build a
5524         conversion NOP_EXPR.
5525
5526 2007-01-05  Ian Lance Taylor  <iant@google.com>
5527
5528         * c-common.c (decl_with_nonnull_addr_p): New function.
5529         (c_common_truthvalue_conversion): Call it.
5530         * c-typeck.c (build_binary_op): Likewise.
5531         * c-common.h (decl_with_nonnull_addr_p): Declare.
5532
5533 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5534
5535         PR c/30360
5536         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5537         denom against 0.0.
5538
5539 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5540
5541         * doc/install.texi (Final install): Document the fact that
5542         the GNAT runtime should not be stripped.
5543
5544 2007-01-04  Jan Hubicka  <jh@suse.cz>
5545
5546         * tree-inline.c (fold_marked_statements): Update operand caches
5547         and EH after folding
5548
5549 2007-01-04  Ian Lance Taylor  <iant@google.com>
5550
5551         * c-common.c (check_function_nonnull): Whitespace fix.
5552
5553 2007-01-04  Jan Hubicka  <jh@suse.cz>
5554
5555         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5556         comitted older version of patch.
5557         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5558         function, celanup cfg and collect garbage.
5559
5560 2007-01-04  Mike Stump  <mrs@apple.com>
5561
5562         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5563         (clean): Likewise.
5564
5565 2007-01-04  Eric Christopher  <echristo@apple.com>
5566
5567         * libgcc2.c (__bswapsi2): Use SItype.
5568         (__bswapdi2): Use DItype.
5569         * libgcc2.h: Update for above.
5570
5571 2007-01-04  Paul Brook  <paul@codesourcery.com>
5572
5573         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5574         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5575         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5576         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5577         umulsi3_highpart): Make conditional on !arm_arch6.
5578         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5579         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5580         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5581         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5582         umulsi3_highpart_v6): New insns.
5583
5584 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5585
5586         * fold-const.c (fold_convert): When casting an expression to void,
5587         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5588         have a type.  Instead of attempting to build a NOP_EXPR, return
5589         these "special" trees directly.
5590
5591 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5592
5593         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5594         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5595         rs6000_cost->fp not 0 as adjustment for outer NEG.
5596
5597 2007-01-04  Jan Hubicka  <jh@suse.cz>
5598
5599         * cgraph.c (cgraph_release_function_body): New function.
5600         (cgraph_remove_node): Use it.
5601         * cgraph.h (cgraph_release_function_body): Declare.
5602         * cgraphunit.c (cgraph_expand_function): Use it.
5603         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5604         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5605         is initialized and while compilation of other function is running.
5606         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5607         statement CFG annotations from here to ...
5608         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5609
5610 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5611
5612         * cfgloop.h (enum li_flags): Make the constants powers of two.
5613
5614 2007-01-04  Jan Hubicka  <jh@suse.cz>
5615
5616         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5617         set.
5618         (fold_marked_statements): New function.
5619         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5620         * tree-inline.h (copy_body_data): Add statements_to_fold.
5621
5622 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5623
5624         * config.gcc: Mention libgcc/config.host.
5625         * Makefile.in: Update comments mentioning libgcc.
5626         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5627         (all.cross, start.encap, rest.encap, rest.cross): Update
5628         dependencies for libgcc move.
5629         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5630         (clean-target, clean-target-libgcc): Delete.
5631         (srcdirify, GCC_EXTRA_PARTS): New macros.
5632         (libgcc-support, libgcc.mvars): New rules.
5633         (distclean): Remove mention of mklibgcc.
5634         (install): Don't reference INSTALL_LIBGCC.
5635         (install-common): Don't reference EXTRA_PARTS.
5636         (install-libgcc, install-multilib): Delete rules.
5637         * mklibgcc.in: Delete file.
5638         * doc/configfiles.texi: Don't mention mklibgcc.
5639
5640         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5641         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5642         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5643         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5644         (mklibgcc, ldblspecs): Likewise.
5645
5646         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5647         (posixpre.def): Use $(T).
5648         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5649         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5650         (SHLIB_LINK): Make dummy.
5651         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5652
5653         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5654
5655         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5656         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5657         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5658         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5659
5660         * configure.ac (all_outputs): Remove mklibgcc.
5661         * configure: Regenerated.
5662
5663 2007-01-03  Josh Conner  <jconner@apple.com>
5664
5665         PR middle-end/29683
5666         * calls.c (compute_argument_addresses): Set stack and stack_slot
5667         for partial args, too.
5668         (store_one_arg): Use locate.size.constant for the size when
5669         generating a save_area.
5670
5671 2007-01-03  Robert Kennedy <jimbob@google.com>
5672
5673         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5674         whose definitions are deleted due to basic block merging.
5675
5676 2007-01-03  Paul Brook  <paul@codesourcery.com>
5677
5678         PR target/16634
5679         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5680         functions.
5681         (use_return_insn): Return 0 for Thumb interrupt functions.
5682         (print_multi_reg): Add rfe argument for IRQ returns.
5683         (arm_output_epilogue): Pop interrupt return address directly into PC.
5684         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5685
5686 2007-01-03  Paul Brook  <paul@codesourcery.com>
5687
5688         Merge from sourcerygxx-4_1.
5689         * config/arm/thumb2.md: New file.
5690         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5691         Thumb-2.
5692         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5693         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5694         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5695         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5696         tables.
5697         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5698         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5699         comptibility.
5700         * config/arm/ieee754-sf.S: Ditto.
5701         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5702         (thumb1_base_register_rtx_p): ... to this.
5703         (thumb_index_register_rtx_p): Rename...
5704         (thumb1_index_register_rtx_p): ... to this.
5705         (thumb_output_function_prologue): Rename...
5706         (thumb1_output_function_prologue): ... to this.
5707         (thumb_legitimate_address_p): Rename...
5708         (thumb1_legitimate_address_p): ... to this.
5709         (thumb_rtx_costs): Rename...
5710         (thumb1_rtx_costs): ... to this.
5711         (thumb_compute_save_reg_mask): Rename...
5712         (thumb1_compute_save_reg_mask): ... to this.
5713         (thumb_final_prescan_insn): Rename...
5714         (thumb1_final_prescan_insn): ... to this.
5715         (thumb_expand_epilogue): Rename...
5716         (thumb1_expand_epilogue): ... to this.
5717         (arm_unwind_emit_stm): Rename...
5718         (arm_unwind_emit_sequence): ... to this.
5719         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5720         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5721         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5722         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5723         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5724         thumb2_output_casesi): New functions.
5725         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5726         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5727         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5728         THUMB2_WORK_REGS): Define.
5729         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5730         arm_condexec_mask, arm_condexec_masklen)): New variables.
5731         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5732         (arm_override_options): Check new CPU capabilities.
5733         Set new architecture flag variables.
5734         (arm_isr_value): Handle v7m interrupt functions.
5735         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
5736         Thumb-2.
5737         (const_ok_for_arm): Handle Thumb-2 constants.
5738         (arm_gen_constant): Ditto.  Use movw when available.
5739         (arm_function_ok_for_sibcall): Return false for v7m interrupt
5740         functions.
5741         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5742         (thumb_find_work_register, arm_load_pic_register,
5743         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5744         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5745         print_multi_reg, output_mov_long_double_fpa_from_arm,
5746         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5747         output_mov_double_fpa_from_arm, output_move_double,
5748         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5749         output_return_instruction, arm_output_function_prologue,
5750         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5751         arm_output_mi_thunk, thumb_set_return_address): Ditto.
5752         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
5753         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5754         (arithmetic_instr, shift_op): Use arm_shift_nmem.
5755         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
5756         '!' and 'L'.
5757         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5758         (thumb_expand_prologue): Use thumb_set_frame_pointer.
5759         (arm_file_start): Output directive for unified syntax.
5760         (arm_unwind_emit_set): Handle stack alignment instruction.
5761         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5762         Add v6t2, v7, v7a, v7r and v7m.
5763         (RETLDM): Add Thumb-2 code.
5764         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5765         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5766         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5767         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5768         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5769         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5770         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5771         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5772         ADJUST_INSN_LENGTH): Define.
5773         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5774         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5775         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5776         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5777         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5778         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5779         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5780         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5781         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5782         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5783         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5784         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5785         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5786         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5787         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5788         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5789         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5790         cortex-m3.
5791         * config/arm/arm-tune.md: Regenerate.
5792         * config/arm/arm-protos.h: Update prototypes.
5793         * config/arm/vfp.md: Enable patterns for Thumb-2.
5794         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
5795         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5796         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5797         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5798         * config/arm/libunwind.S: Add Thumb-2 code.
5799         * config/arm/constraints.md: Update include Thumb-2.
5800         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5801         * config/arm/ieee754-df.S: Ditto.
5802         * config/arm/bpabi.S: Ditto.
5803         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5804         * config/arm/predicates.md (low_register_operand,
5805         low_reg_or_int_operand, thumb_16bit_operator): New.
5806         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5807         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5808         * config/arm/t-arm-elf: Add armv7 multilib.
5809         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5810         Include thumb2.md.
5811         (UNSPEC_STACK_ALIGN, ce_count): New.
5812         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5813         arm_zero_extendsidi2, arm_zero_extendqidi2): New
5814         insns/expanders.
5815         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5816         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5817         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5818         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5819         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5820         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5821         insns.
5822         * doc/extend.texi: Document ARMv7-M interrupt functions.
5823         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5824
5825 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
5826
5827         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5828         (struct _Unwind_Context): Rename args_size to flags, remove
5829         signal_frame field, add a new args_size field and version field.
5830         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5831         _Unwind_IsExtendedContext): New inline functions.
5832         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5833         Assume by_value array is only present if _Unwind_IsExtendedContext.
5834         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5835         _Unwind_IsSignalFrame.
5836         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5837         (uw_update_context_1): Use _Unwind_SetSignalFrame.
5838         (uw_init_context_1): Initialize context->flags to
5839         EXTENDED_CONTEXT_BIT.
5840         * config/rs6000/linux-unwind.h (frob_update_context): Use
5841         _Unwind_SetSignalFrame.
5842
5843 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5844
5845         PR middle-end/30353
5846         * gimplify.c (gimplify_modify_expr_complex_part): Move below
5847         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
5848         the value.
5849
5850 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
5851
5852         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5853         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5854         RET, AT_SP): Remove.
5855         * config/i386/i386.md (*sse_prologue_save_insn): Use return
5856         instead of RET.
5857
5858         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5859         * cfgbuild.c (find_basic_blocks): Likewise.
5860         * cfgrtl.c (rtl_create_basic_block): Likewise.
5861         * function.c (temp_slots_at_level): Likewise.
5862         * reg-stack.c (stack_regs_mentioned): Likewise.
5863         * regclass.c (allocate_reg_info): Likewise.
5864         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5865         set_bb_for_stmt, move_block_to_fn): Likewise.
5866         * tree-complex.c (tree_lower_complex): Likewise.
5867         * vec.h (VEC_safe_grow_cleared): New.
5868
5869         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5870
5871 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
5872
5873         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5874         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5875         to loop_version.
5876         * cfgloopmanip.c (scale_loop_frequencies): Export.
5877         (loopify): Scale the frequencies by prescribed coefficients.
5878         (set_zero_probability): New function.
5879         (duplicate_loop_to_header_edge): Improve updating of frequencies.
5880         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5881         and frequencies according to arguments.
5882         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5883         correctly.
5884         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5885         * modulo-sched.c (sms_schedule): Set probabilities for entering
5886         versioned loop correctly.
5887         * tree-vect-transform.c (vect_transform_loop): Ditto.
5888         * cfgloop.h (loopify, loop_version): Declaration changed.
5889         (scale_loop_frequencies): Declared.
5890
5891 2007-01-02  Jan Hubicka  <jh@suse.cz>
5892
5893         * cgraph.c: Include tree-flow.h
5894         (cgraph_add_new-function): Handle IPA_SSA mode; execute
5895         early_local_passes.
5896         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5897         * tree-pass.h (pass_all_early_optimizations): Declare.
5898         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5899         early_local_passes.
5900         (cgraph_analyze_function): Do early_local_passes.
5901         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5902         Do not add referenced vars.
5903         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5904         SSA form.
5905         (gate_all_early_local_passes): New gate.
5906         (pass_early_local_passes): Use new gate.
5907         (execute_early_local_optimizations): New functions.
5908         (gate_all_early_optimizations): New gate.
5909         (pass_all_early_optimizations): New pass.
5910         (execute_free_datastructures): Free SSA only when initialized.
5911         (gate_init_datastructures): Init only when optimizing.
5912         (tree_lowering_passes): Do early local passes when called late.
5913         * tree-profile.c (do_tree_profiling): Don't profile functions added
5914         late.
5915         (do_early_tree_profiling, pass_early_tree_profile): Kill.
5916         * tree-cfg.c (update_modified_stmts): Do not update when operands are
5917         not active.
5918         * passes.c (init_optimizations_passes): Reorder so we go into SSA
5919         during early_local_passes.
5920         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5921
5922
5923 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5924
5925         * Makefile.in: Update copyright year.
5926
5927 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
5928
5929         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5930         in $(lang_checks) and check-consistency targets.
5931
5932 2007-01-02  Jan Hubicka  <jh@suse.cz>
5933
5934         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5935         Do not add referenced vars.
5936         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5937         are not active.
5938         * passes.c (init_optimization_passes): Put mudflap_2 after
5939         free_datastructures.
5940
5941 2007-01-02  Jan Hubicka  <jh@suse.cz>
5942
5943         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5944         Set NOTHROW flag on call statements proved to be nothrow.
5945         Update statement of local calls so new pure/const functions are
5946         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5947         goto receivers.
5948         (tree_rest_of_compilation): Register hooks and initialize bitmap
5949         early. Do not set after_inlining flag.
5950
5951 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
5952
5953         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
5954         HOST_BITS_PER_LONGLONG
5955
5956 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5957
5958         PR c/19977
5959         * c-typeck.c (store_init_value): Don't emit pedantic overflow
5960         warning for non-static initializers.
5961
5962 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
5963
5964         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5965         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5966         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5967         Always use set_unique_reg_note to add REG_EQUAL notes.
5968
5969 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5970
5971         Revert:
5972         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
5973
5974         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5975         * cfgbuild.c (find_basic_blocks): Likewise.
5976         * cfgrtl.c (rtl_create_basic_block): Likewise.
5977         * function.c (temp_slots_at_level): Likewise.
5978         * reg-stack.c (stack_regs_mentioned): Likewise.
5979         * regclass.c (allocate_reg_info): Likewise.
5980         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5981         set_bb_for_stmt, move_block_to_fn): Likewise.
5982         * tree-complex.c (tree_lower_complex): Likewise.
5983         * vec.h (VEC_safe_grow_cleared): New.
5984
5985 2007-01-02  Ian Lance Taylor  <iant@google.com>
5986
5987         * c-common.c (c_common_truthvalue_conversion): When warning about
5988         using an assignment as a truth value, set TREE_NO_WARNING.
5989
5990 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5991
5992         PR middle-end/7651
5993         * c.opt (Wold-style-declaration): New.
5994         * doc/invoke.texi (C-only Warning Options): New.
5995         (Wold-style-declaration): Document it.
5996         (Wextra): Enabled by -Wextra.
5997         * c-opts.c (c_common_post_options): Enabled by -Wextra.
5998         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
5999         -Wold-style-declaration.
6000
6001 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6002
6003         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6004         * cfgbuild.c (find_basic_blocks): Likewise.
6005         * cfgrtl.c (rtl_create_basic_block): Likewise.
6006         * function.c (temp_slots_at_level): Likewise.
6007         * reg-stack.c (stack_regs_mentioned): Likewise.
6008         * regclass.c (allocate_reg_info): Likewise.
6009         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6010         set_bb_for_stmt, move_block_to_fn): Likewise.
6011         * tree-complex.c (tree_lower_complex): Likewise.
6012         * vec.h (VEC_safe_grow_cleared): New.
6013
6014 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6015
6016         * c-common.c (c_common_nodes_and_builtins): Since variants of
6017         void_type_node get built before it is given a name, we need to
6018         give those variants the name, too.
6019         (complete_array_type): We need to work with the canonical main
6020         type of the array, from which we will build the qualified version.
6021         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6022         * print-tree.c (print_node): Display canonical type information
6023         for each type.
6024         * stor-layout.c (layout_type): When we don't know the
6025         alignment of a type for which we're building an array, we end up
6026         guessing wrong, so make the type require structural equality.
6027         * tree.c (make_node_stat): When we build a new type, it is its
6028         own canonical type.
6029         (build_type_attribute_qual_variant): When building an attribute
6030         variant, its canonical type is the non-attribute variant. However,
6031         if the attributes are target-dependent and they differ, we need to
6032         use structural equality checks for this type.
6033         (build_qualified_type): A qualified type is not equivalent to its
6034         unqualified variant; set the canonical type appropriately.
6035         (build_distinct_type_copy): When building a distinct type from
6036         another type, the new type is its own canonical type.
6037         (build_variant_type_copy): When building a new type variant, we
6038         assume that it is equivalent to the original type.
6039         (build_pointer_type_for_mode): When building a pointer type, also
6040         build a canonical type pointer.
6041         (build_reference_type_for_mode): When building a reference type,
6042         also build a canonical type reference.
6043         (build_index_type): When we can't hash an index type (e.g.,
6044         because its maximum value is negative), the index type requires
6045         structural equality tests.
6046         (build_array_type): Build the canonical form of an array type.
6047         (build_function_type): Function types require structural equality,
6048         because they contain default arguments, attributes, etc.
6049         (build_method_type_directly): Ditto for method types.
6050         (build_offset_type): Build the canonical offset type.
6051         (build_complex_type): Build the canonical vector type.
6052         (make_vector_type): Build the canonical vector type.
6053         * tree.h (TYPE_CANONICAL): New.
6054         (TYPE_STRUCTURAL_EQUALITY_P): New.
6055         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6056         (struct tree_type): Added "canonical" field.
6057         * params.h (VERIFY_CANONICAL_TYPES): New.
6058         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6059         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6060         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6061         * doc/invoke.texi (verify-canonical-types): Document --param
6062         parameter for verifying canonical types.
6063
6064 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6065
6066         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6067         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6068         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6069         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6070         tm_file.
6071         * config/rs6000/e500.h: New.
6072         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6073         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6074         Remove.
6075         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6076         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6077         TARGET_E500_DOUBLE): Remove.
6078         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6079         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6080         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6081         * config/rs6000/rs6000.c (rs6000_override_options): Use
6082         CHECK_E500_OPTIONS.
6083
6084 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6085
6086         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6087         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6088         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6089         rs6000_emit_cmove): Don't check TARGET_E500.
6090         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6091         sordered): Don't check TARGET_E500.
6092
6093 2007-01-01  Eric Christopher  <echristo@apple.com>
6094
6095         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6096         HARD_REGISTER_NUM_P.
6097
6098 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6099
6100         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6101         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6102         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6103         eq/ne Y".
6104
6105 2007-01-01  Mike Stump  <mrs@apple.com>
6106
6107         * configure.ac: Remove support for building with Apple's gcc-3.1.
6108
6109 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6110
6111         PR middle-end/30311
6112         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6113         REG is a hard register.  Do not modify REG before calling
6114         subreg_nregs.
6115         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6116         multiple of the size of YMODE for certain lowpart cases.
6117
6118 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6119
6120         PR middle-end/30253
6121         * gimplify (voidify_wrapper_expr): Update for
6122         GIMPLE_MODIFY_STMT.
6123
6124 2007-01-01  Andreas Schwab  <schwab@suse.de>
6125
6126         PR target/29166
6127         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6128         save of BR0 in extra_spill_size instead of spill_size.
6129         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6130         area.
6131         (ia64_expand_epilogue): Restore BR0 from its new location.
6132
6133 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6134
6135         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6136         Use a temporary variable if the left hand side is not a gimple
6137         register.
6138
6139 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6140
6141         * gimplify.c (gimplify_return_expr): Make the temporary variable
6142         for the return expression, a gimple register variable.
6143
6144 2007-01-01  Jan Hubicka  <jh@suse.cz>
6145
6146         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6147         INSN_LIST.
6148
6149 2007-01-01  Mike Stump  <mrs@apple.com>
6150
6151         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6152         .literal16.
6153         * config/darwin.c (machopic_select_rtx_section): Use
6154         HAVE_GAS_LITERAL16.
6155         (darwin_mergeable_constant_section): Likewise.
6156         * configure: Regenerate.
6157         * config.in: Regenerate.
6158
6159 2007-01-01  Jan Hubicka  <jh@suse.cz>
6160             Andrew Pinski  <pinskia@gmail.com>
6161
6162         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6163         before starting IPA passes.