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1 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
2
3         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
4         (tree_unswitch_single_loop): Pass eni_size_weights to
5         tree_num_loop_insns.
6         * tree-ssa-loop-manip.c: Include tree-inline.h.
7         (can_unroll_loop_p): Pass eni_size_weights to
8         tree_num_loop_insns.
9         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
10         Pass eni_size_weights to estimate_num_insns.
11         * tree.h (init_inline_once): Export.
12         * toplev.c (backend_init): Call init_inline_once.
13         * cgraphunit.c (cgraph_process_new_functions,
14         cgraph_analyze_function): Pass eni_inlining_weights to
15         estimate_num_insns.
16         * ipa-inline.c (compute_inline_parameters): Ditto.
17         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
18         to estimate_num_insns.
19         (try_unroll_loop_completely): Pass eni_size_weights to
20         tree_num_loop_insns.
21         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
22         ot estimate_num_insns.
23         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
24         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25         * tree-inline.c (eni_inlining_weights, eni_size_weights,
26         eni_time_weights): New variables.
27         (init_inline_once): Initialize them.
28         (struct eni_data): Mew.
29         (estimate_num_insns_1, estimate_num_insns): Use weights.
30         * tree-inline.h (struct eni_weights_d): New.
31         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
32         (estimate_num_insns): Declaration changed.
33         * cfgloop.h (tree_num_loop_insns): Declaration changed.
34         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
35         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
36
37 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
38
39         * tree-data-ref.c (conflict_fn): Assert that the number of affine
40         relations in the conflict function is valid.
41
42 2007-01-27  Ian Lance Taylor  <iant@google.com>
43
44         * common.opt: Add fstrict-overflow.
45         * opts.c (decode_options): Set flag_strict_overflow if -O2.
46         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
47         (TYPE_OVERFLOW_UNDEFINED): Define.
48         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
49         Replace all uses.
50         * tree.h (TYPE_TRAP_SIGNED): Don't define.
51         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
52         (fold_negate_expr): Likewise.
53         (make_range): Likewise.
54         (extract_muldiv_1): Likewise.
55         (maybe_canonicalize_comparison): Likewise.
56         (fold_comparison): Likewise.
57         (fold_binary): Likewise.
58         (tree_expr_nonnegative_p): Likewise.
59         (tree_expr_nonzero_p): Likewise.
60         * tree-vrp.c (compare_values): Likewise.
61         (extract_range_from_binary_expr): Likewise.
62         (extract_range_from_unary_expr): Likewise.
63         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
64         Likewise.
65         (nowrap_type_p): Likewise.
66         * tree-scalar-evolution.c (simple_iv): Likewise.
67         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
68         (build_range_check): Likewise.
69         (extract_muldiv_1): Likewise.
70         (fold_comparison): Likewise.
71         * tree-vrp.c (vrp_int_const_binop): Likewise.
72         (extract_range_from_unary_expr): Likewise.
73         * convert.c (convert_to_integer): Likewise.
74         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
75         (fold_comparison): Likewise.
76         (fold_binary): Likewise.
77         * optabs.c (optab_for_tree_code): Likewise.
78         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
79         * simplify-rtx.c (simplify_const_relational_operation): Check
80         flag_strict_overflow and flag_trapv.
81         (simplify_const_relational_operation): Likewise.
82         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
83         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
84         -fstrict-overflow.
85
86 2007-01-27  Roger Sayle  <roger@eyesopen.com>
87
88         * tree.c (tree_fold_gcd): Delete.
89         * tree.h (tree_fold_gcd): Remove prototype.
90         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
91         test whether one constant integer is a multiple of another.  Instead
92         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
93         * fold-const.c (multiple_of_p):  We've determined both TOP and
94         BOTTOM are integer constants so we can call int_const_binop directly
95         instead of the more generic const_binop.
96
97 2007-01-27  Roger Sayle  <roger@eyesopen.com>
98
99         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
100         1*X check that the constant hasn't overflowed, to preserve the
101         TREE_OVERFLOW bit.
102         (round_up): Provide an efficient implementation when rouding-up an
103         INTEGER_CST to a power-of-two.
104
105 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
106
107         * doc/sourcebuild.texi: Add comma for clarity.
108         * doc/extend.texi: Fix some typos.
109         * doc/passes.texi: Likewise.
110         * doc/cppinternals.texi: Likewise.
111         * doc/c-tree.texi: Likewise.
112         * doc/tree-ssa.texi: Likewise.
113         * doc/install.texi: Likewise.
114
115 2007-01-27  Jan Hubicka  <jh@suse.cz>
116
117         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
118         (pass_sra): Do not require alias information.
119         * passes.c (init_optimization_passes): Add SRA
120
121 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
122
123         * tracer.c (rest_of_handle_tracer): We already cleaned
124         up the CFG in tracer() so don't do it here again.
125         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
126         cleanup_cfg here, either.  And don't call renumber_insns.
127
128         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
129         and BB_HEAD are in the insn stream here.  Instead make sure
130         that BB_INSN is valid on all insns.  Also, do check here that
131         there are no pending branch predictions...
132         (rtl_verify_flow_info): ...instead of doing it here.  Checks
133         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
134         here.
135
136 2007-01-26  Roger Sayle  <roger@eyesopen.com>
137
138         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
139         function to simplify/factorize operand order canonicalization.
140         (ix86_fixup_binary_operands): Reorganize using the above function.
141         (ix86_binary_operator_ok): Likewise.
142
143 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
144
145         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
146         file scope from optimize_attrs.
147         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
148         up search.
149         (optimize_attrs): Clear insn_code_values after freeing it.
150
151 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
152
153         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
154         a parts.base assignment.
155
156 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
157
158         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
159         (compute_subscript_distance, initialize_data_dependence_relation,
160         finalize_ddr_dependent, analyze_ziv_subscript,
161         analyze_siv_subscript_cst_affine,
162         compute_overlap_steps_for_affine_univar,
163         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
164         analyze_siv_subscript, analyze_miv_subscript,
165         analyze_overlapping_iterations, subscript_dependence_tester_1,
166         compute_self_dependence, free_dependence_relation): Work
167         with affine_fn instead of chrecs.
168         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
169         common_affine_function, affine_function_base,
170         affine_function_constant_p, affine_fn_op, affine_fn_plus,
171         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
172         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
173         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
174         (all_chrecs_equal_p): Removed.
175         * tree-data-ref.h (affine_fn, conflict_function): New types.
176         (struct subscript): Change type of conflicting_iterations_in_a
177         and conflicting_iterations_in_b.
178
179 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
180
181         PR other/30182
182         * config/pa/pa.h (TARGET_HPUX_11): New.
183         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
184         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
185
186 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
187         Richard Guenther  <rguenther@suse.de>
188
189         * tree-ssa-structalias.c (solve_graph): Handle case
190         we merged the variable to another.
191
192 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
193
194         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
195         functions.
196
197         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
198         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
199
200 2007-01-25  DJ Delorie  <dj@redhat.com>
201
202         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
203         allow changes to modes which don't fit in those registers.
204
205         * reload1.c (choose_reload_regs): Check for invalid subregs before
206         computing their locations, not after.
207
208 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
209
210         PR 25127
211         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
212         save Altivec registers in an eh_return function.
213         (compute_vrsave_mask): Likewise.
214         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
215         for saving Altivec registers.
216         (rs6000_emit_prologue): Don't allocate stack twice in
217         eh_return function.  Correct expected value of altivec_save_offset
218         when using save_world.  Describe save of R0 to stack when using
219         save_world.  Describe stack pointer adjustment when using
220         save_world.  Remove duplicated eh_return parameter register saving.
221         Update sp_offset variable after save_world.
222         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
223         darwin-world.asm.
224         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
225         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
226         implies Altivec.
227
228 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
229
230         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
231
232 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
233
234         PR other/30182
235         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
236         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
237
238 2007-01-25  Richard Guenther  <rguenther@suse.de>
239
240         * doc/invoke.texi (-Wcoverage-mismatch): Document.
241         * common.opt (-Wcoverage-mismatch): New warning option.
242         * coverage.c (get_coverage_counts): Ignore coverage mismatch
243         if -Wcoverage-mismatch is given.
244
245 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
246
247         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. 
248         (ipcp_driver): Change to static definition. 
249         Add dumping of the ifunctions.
250         (constant_val_insert): Remove unused parameter. Support for SSA.
251         (ipcp_propagate_const): Support for SSA.
252         (ipcp_profile_bb_print): Print only analyzed nodes.
253         (ipcp_replace_map_create): Remove support for Fortran constant 
254         for now.
255         * ipa-prop.c (ipa_method_modify_stmt, 
256         ipa_callsite_compute_param): Support for SSA.
257         * ipa-prop.h (ipcp_driver): Remove declaration.
258         (IS_VALID_TREE_MAP_INDEX): Add define.
259
260 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
261
262         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
263
264 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
265
266         PR middle-end/30447
267         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
268         constant argument to cabs and do it without checking for
269         -funsafe-math-optimizations.
270
271 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
272
273         * c-common.h (RID_FIRST_CXX0X): New.
274         (RID_LAST_CXX0X): New.
275         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
276         by -Wall.
277         * c.opt (Wc++0x-compat): New.
278         * doc/invoke.texi (-Wc++0x-compat): Document.
279
280 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
281
282         * builtins.c (fold_builtin_carg): New.
283         (fold_builtin_1): Use it.
284
285 2007-01-24  Jan Hubicka  <jh@suse.cz>
286
287         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
288
289         * ipa-inline.c (initial_insns, max_insns): Delete.
290         (compute_max_insns): New function.
291         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
292         of insns as base for code growth.
293         (cgraph_decide_inlining): Make initial_insns local; do not compute
294         max_insns.
295         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
296         * doc/invoke.texi (inline-unit-growth): Update docs.
297
298 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
299
300         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
301         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
302         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
303         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
304         for CPUs that have PTA_CX16 set.
305
306         PR middle-end/27416
307         * gimplify.c (omp_check_private): New function.
308         (gimplify_scan_omp_clauses): Use it for
309         firstprivate/lastprivate/reduction.
310
311         PR middle-end/30494
312         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
313         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
314
315         PR middle-end/30421
316         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
317         If lower_lastprivate_clauses emits some statements, append them
318         to dlist rather than body_p and to body_p append an initializer.
319         (lower_omp_for): Adjust caller.
320
321 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
322
323         * target.h (globalize_decl_name): New.
324         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
325         * output.h (default_globalize_decl_name): New.
326         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
327         globalize_label.
328         (globalize_decl): Ditto.
329         (default_globalize_decl_name): New.
330         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
331         (ia64_handle_version_id_attribute): New.
332         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
333         (ia64_asm_output_external): Use globalize_decl_name instead
334         of globalize_label.
335         * doc/extend.texi (version_id): New pragma.
336         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
337
338 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
339
340         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with 
341         _uleb128_t and _Unwind_SWord with _sleb128_t.
342         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
343         uw_frame_state_for, uw_update_context_1): Likewise.
344         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
345         * unwind-pe.h (read_uleb128, read_sleb128,
346         read_encoded_value_with_base): Likewise.
347         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
348
349 2007-01-24  Richard Guenther  <rguenther@suse.de>
350
351         * builtins.c (expand_builtin_cexpi): Get the fndecl
352         for cexp in the correct way.
353
354 2007-01-24  Jan Hubicka  <jh@suse.cz>
355
356         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
357
358 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
359
360         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
361         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
362         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
363         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
364         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
365         __SIZEOF_PTRDIFF_T__.
366         * doc/cpp.texi: Documentation for the new builtin macros added.
367
368 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
369
370         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
371         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
372         instead of operands[2] to avoid access past the end of array.
373
374 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
375
376         * reload1.c (emit_reload_insns): Pass the reload register
377         for a non-spill output reload through forget_old_reloads_1.
378
379 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
380
381         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
382         _SOFT_DOUBLE if doubles use software floating-point.
383         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
384         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
385         * config/rs6000/darwin-ldouble.c: Also compile functions for
386         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
387         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
388         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
389         commented-out long double override.
390         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
391         * config/rs6000/eabispe.h: Likewise.
392         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
393         long double for non-SPE.
394         (rs6000_handle_option): Likewise.
395         (invalid_e500_subreg): Disallow more subregs involding DImode,
396         DFmode, TImode or TFmode.
397         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
398         E500 double.
399         (legitimate_lo_sum_address_p): Also check for TFmode for E500
400         double.
401         (rs6000_legitimize_address): Also handle TFmode for E500 double.
402         (rs6000_legitimize_reload_address): Also handle TFmode for E500
403         double.
404         (rs6000_legitimate_address): Also check for TFmode for E500
405         double.
406         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
407         (spe_build_register_parallel): Handle TFmode and TCmode.
408         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
409         double.
410         (function_arg): Handle TFmode and TCmode for E500 double.
411         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
412         in general.
413         (print_operand): Handle TFmode and TImode for %y.
414         (rs6000_generate_compare): Handle TFmode comparisons for E500
415         double.
416         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
417         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
418         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
419         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
420         TFmode for E500 double.
421         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
422         (floatsidf2): Enable for E500 double.
423         (movtf_softfloat): Use rs6000_nonimmediate_operand.
424         (extenddftf2): Change to extenddftf2_fprs.
425         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
426         depending on TARGET_E500_DOUBLE.
427         (extendsftf2): Enable for E500 double.
428         (trunctfdf2): Enable for E500 double.
429         (trunctfsf2): Change to trunctfsf2_fprs.
430         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
431         depending on TARGET_E500_DOUBLE.
432         (floatsitf2): Enable for E500 double.
433         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
434         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
435         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
436         (negtf2): Change to negtf2_internal.
437         (negtf2): New expander.
438         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
439         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
440         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
441         (movdi_internal32): Use rs6000_nonimmediate_operand.
442         (unnamed splitter): Likewise.
443         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
444         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
445         (SPE64TF, DITI): New mode macros.
446         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
447         modes.
448         (frob_tf_ti): New.
449         (frob_<mode>_di_2): New.
450         (frob_tf_di_8_2): New.
451         (frob_di_df): Change to frob_di_<mode>; allow more modes.
452         (frob_ti_tf): New.
453         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
454         more modes.
455         (frob_ti_<mode>_8_2): New.
456         (frob_ti_tf_2): New.
457         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
458         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
459         TFmode.
460         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
461         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
462         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
463         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
464         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
465         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
466         tsttflt_gp): New.
467
468 2007-01-23  Ian Lance Taylor  <iant@google.com>
469
470         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
471         insn-*.o first.
472         (OBJS-archive): Reformat, alphabetize.
473         (OBJS): Change out_object_file to OBJS-md.
474
475 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
476
477         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
478         JUMP_P and CALL_P predicates where applicable.
479         * config/i386/i386.c: Ditto.
480         * config/i386/i386.md: Ditto.
481         * config/i386/mmx.md: Ditto.
482         * config/i386/predicates.md: Ditto.
483
484 2007-01-22  Andreas Schwab  <schwab@suse.de>
485
486         * config/m68k/m68k.h: Fix comment.
487
488 2007-01-22  Jan Hubicka  <jh@suse.cz>
489
490         * passes.c (init_optimization_passes): Do not rerun
491         pass_early_warn_uninitialized.
492
493 2007-01-22  Richard Guenther  <rguenther@suse.de>
494
495         PR tree-optimization/30038
496         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
497         function.
498         (execute_cse_sincos_1): Likewise.
499         (execute_cse_sincos): Likewise.
500         (gate_cse_sincos): Likewise.
501         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
502         the cexpi() canonicalization of sincos().
503         * tree-pass.h (pass_cse_sincos): Declare.
504         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
505
506 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
507
508         PR rtl-optimization/29329
509         * combine.c (replaced_rhs_insn): Rename to i2mod.
510         (replaced_rhs_value): Rename to i2mod_new_rhs.
511         (i2mod_old_rhs): New global variable.
512         (combine_instructions): Adjust for above change.  Save a copy of
513         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
514         note are substituted in the second instruction.
515         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
516         ditch the note if it pertains to the second eliminated register
517         and this register is mentioned in i2mod_old_rhs.
518
519         Revert:
520         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
521
522         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
523         the insn to which the note was originally attached.
524
525 2007-01-21  Jan Hubicka  <jh@suse.cz>
526
527         * ipa-inline.c (inlining_mode): Comment, move up.
528         (cgraph_decide_inlining_incrementally): Do not perform inlining
529         itself; fix handling of flattening of self recursive functions.
530         (cgraph_find_cycles): Remove.
531         (cgraph_flatten_node): Remove.
532         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
533         (try_inline): New function.
534         (cgraph_early_inlining): Update call of
535         cgraph_decide_inlining_incrementally.  Apply inlining here.
536         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
537
538 2007-01-21  Dirk Mueller  <dmueller@suse.de>
539
540         PR bootstrap/30511
541         * tree-vrp.c (check_array_bounds): do not warn
542         about ADDR_EXPR's of ARRAY_REF's which are immediately
543         used in binary expressions.
544
545 2007-01-21  Ira Rosen  <irar@il.ibm.com>
546
547         * tree-vectorizer.h (struct _stmt_vec_info): Add new field 
548         read_write_dep and macros for its access.
549         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
550         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove 
551         argument, call vect_check_interleaving for every independent pair of
552         data-refs. Mark loads that access the same memory location as a store
553         in the loop.
554         (vect_check_dependences): Remove.
555         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences 
556         call, fix the call to vect_analyze_data_ref_dependence.
557         (vect_analyze_data_ref_access): For statements that access the same 
558         data-ref, check that they are not stores; for loads, check that there
559         is no store that access the same location.
560
561 2007-01-20  Roger Sayle  <roger@eyesopen.com>
562             Joseph Myers  <joseph@codesourcery.com>
563
564         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
565         (-fdump-rtl-stack): Likewise.
566         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
567         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
568         (-mpt-fixed): Use @minus{} for minus sign.
569         (Using Precompiled Headers): Fix under/overfull hbox.
570
571 2007-01-20  Jan Hubicka  <jh@suse.cz>
572
573         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
574         place within annotation.
575
576 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
577
578         * pa.c (output_move_double): Change array size of xoperands to 4.
579
580 2007-01-20  Jan Hubicka  <jh@suse.cz>
581
582         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
583         as temporary.
584
585 2007-01-19  Ian Lance Taylor  <iant@google.com>
586
587         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
588         constant to unsigned HOST_WIDE_INT before negating.
589
590 2007-01-19  Ian Lance Taylor  <iant@google.com>
591
592         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
593         to unsigned.
594         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
595         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
596         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
597         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
598         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
599         (realloc_vdef, realloc_vuse): Change second parameter to
600         unsigned.
601         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
602         fields to unsigned.
603         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
604         unsigned. Change x and lim locals to unsigned.
605         (realloc_vdef, realloc_vuse): Change num_elem parameter to
606         unsigned.
607         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
608         (copy_virtual_operands): Change i and n locals to unsigned.
609
610 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
611
612         PR middle-end/29335
613         * builtins.c (fold_builtin_1): Handle builtin fdim.
614
615 2007-01-20  Jan Hubicka  <jh@suse.cz>
616
617         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
618         * tree-ssa-structalias.c (compute_points_to_sets): Do call
619         init_alias_heapvars.
620         (init_alias_heapvars): Initialize only when not already initialized.
621         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
622
623 2007-01-19  Roger Sayle  <roger@eyesopen.com>
624
625         * common.opt (fsigned-zeros): New command line option.
626         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
627         of flag_unsafe_math_optimizations.
628         * opts.c (set_fast_math_flags): The -ffast-math command line option
629         implies -fno-signed-zeros.
630         (fast_math_flags_set_p): Likewise.
631
632         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
633         the documentation of -ffast-math appropriately.  Wrap long lines.
634
635 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
636
637         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
638         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
639
640 2007-01-19  Tomas Bily  <tbily@suse.cz>
641
642         * cgraphunit.c (cgraph_finalize_function): Updating of pid
643         * tree-profile.c:
644         (tree_init_ic_make_global_vars): New function
645         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
646         (tree_gen_ic_profiler): New function
647         (tree_gen_ic_func_profiler): New function
648         (tree_profiling): Added calling of tree_gen_ic_func_profiler
649         (tree_profile_hooks): Added hook for indirec/virtual calls
650         * value-prof.c (tree_find_values_to_profile): New case for
651         indirect calls
652         (tree_values_to_profile): Call for determining indirect/virtual
653         counters
654         (tree_indirect_call_to_profile): New function
655         (tree_ic_transform): New function
656         (tree_ic): New function
657         (find_func_by_pid): New function
658         (init_pid_map): New function
659         (tree_value_profile_transformations): Added check for
660         indirect/virtual call transformation
661         * value-prof.h (enum hist_type): New counter type for
662         indirect/virtual calls
663         (profile_hooks): Added new hook for profiling indirect/virtual
664         calls
665         * profile.c (instrument_values): New case for indirect/virtual
666         call added
667         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
668         (GCOV_COUNTER_V_INDIR): New counter type
669         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
670         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
671         call added
672         * cgraph.c: Definition of cgraph_max_pid
673         (cgraph_create_node): Default init of pid attribute
674         * cgraph.h: Declaration of cgraph_max_pid
675         (struct cgraph_node): Added pid attribute
676         * libgcov.c (__gcov_indirect_call_profiler): New function
677         (__gcov_one_value_profiler_body): New function
678         (__gcov_one_value_profiler): Body was moved to
679         __gcov_one_value_profiler_body and calls it
680
681 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
682         
683         * doc/gty.texi (Options): Document the mark_hook option to GTY.
684         * gengtype.c (write_types_data, write_func_for_structure,
685         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
686         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
687         (walk_type, write_func_for_structure): Generate the mark_hook if
688         needed.
689
690 2007-01-19  Jan Hubicka  <jh@suse.cz>
691
692         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
693         'early' argument take inlining mode argument specifying whether to
694         inline for size/speeed or all functions; add support for flattening;
695         improve dumpting.
696         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
697
698 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
699
700         PR c++/17947
701         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
702         the name of the declared identifier.
703                 
704 2007-01-19  Dirk Mueller  <dmueller@suse.de>
705
706         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
707         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
708         duplicate evaluation.
709
710 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
711
712         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
713         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
714         to XFMode, use acosxf2 and truncate result to requested mode.
715         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
716         (asin<mode>2): Similarly, with asin expanders.
717         (*fscalexf4_i387): Rename from *fscalexf4.
718         (expNcorexf3): New expander.
719         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
720         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
721         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
722         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
723         patterns for SSE math.
724         (exp10<mode>2): Similarly, with exp10 expanders.
725         (exp2<mode>2): Similarly, with exp2 expanders.
726         (expm1<mode>2): Similarly, with expm1 expanders.
727         (ldexp<mode>3): Similarly, with ldexp expanders.
728         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
729         Use gen_truncxf<mode>2_i387_noop to truncate result.
730
731 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
732
733         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
734         for ColdFire targets.
735
736 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
737             Richard Sandiford  <richard@codesourcery.com>
738
739         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
740         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
741         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
742         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
743         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
744         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
745
746 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
747
748         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
749         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
750         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
751         (*adddi_dilshr32_cf): New pattern.
752         (adddi3, subdi3): Remove first alternatives.
753
754 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
755
756         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
757         implemented using move.l, do not use its cc result for floating-point
758         comparisons.
759
760 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
761
762         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
763         from accepting 's' constraints if flag_pic.
764
765 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
766
767         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
768         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
769         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
770         condition from TARGET_68881 to TARGET_HARD_FLOAT.
771
772 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
773
774         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
775         ColdFire alternatives.
776         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
777         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
778         architectures that support ff1 instruction.
779
780 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
781             Julian Brown  <julian@codesourcery.com>
782
783         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
784         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
785         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
786         Add commentary.
787
788 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
789
790         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
791         and return a bool.
792         (output_move_const_into_data_reg, output_move_simode_const): Delete.
793         * config/m68k/m68k.c (const_method, const_int_cost): Take a
794         HOST_WIDE_INT instead of an rtx.
795         (m68k_rtx_costs): Update call accordingly.
796         (output_move_const_into_data_reg): Likewise.  Fix formatting.
797         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
798         Return a bool.
799         (output_move_simode_const): Update calls after above changes.
800         Rework to use automatic variables and predicates like MEM_P.
801         * config/m68k/m68k.md (pushexthisi_const): Update call to
802         valid_mov3q_const.
803
804 2007-01-19  Dirk Mueller  <dmueller@suse.de>
805
806         * tree-ssa-alias.c (perform_var_substitution): Fix typo
807         in dump_flags test.
808
809 2007-01-19  Richard Guenther  <rguenther@suse.de>
810
811         * builtins.c (expand_builtin_cexpi): Fall back to expanding
812         via cexp in case sincos is not available.
813
814 2007-01-19  Richard Guenther  <rguenther@suse.de>
815
816         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
817         * defaults.h (TARGET_HAS_SINCOS): Default to off.
818         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
819         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
820         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
821         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
822         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
823         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
824
825 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
826
827         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
828         New insn patterns.
829         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
830         (atan2xf3): Directly generate RTL pattern.
831         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
832         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
833         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
834         disable patterns for SSE math.
835         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
836         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
837         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
838         disable patterns for SSE math.
839
840 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
841
842         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
843
844 2007-01-18  Roger Sayle  <roger@eyesopen.com>
845
846         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
847         VIEW_CONVERT_EXPR to the same type as it's operand.
848
849 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
850
851         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
852         configured for long double 128.
853
854 2007-01-18  Mike Stump  <mrs@apple.com>
855
856         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
857         error.
858
859 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
860
861         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
862         type correct.
863
864 2007-01-18  Jan Hubicka  <jh@suse.cz>
865
866         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
867         greater than NUM_VOP_FREE_BUCKETS.
868
869 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
870
871         * tree-ssa-structalias.c: Update comments.
872         (ptabitmap_obstack): Removed.
873         (pta_obstack): New.
874         (oldpta_obstack): Ditto.
875         (stats): Add a few members.
876         (struct variable_info): Remove node, complex, address_taken, and
877         indirect_target members. Add oldsolution member.
878         (new_var_info): Do not initialize removed members.
879         (constraint_expr_type): Remove INCLUDES.
880         (constraint_graph): Add size, implicit_preds, rep,
881         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
882         (FIRST_REF_NODE): New macro.
883         (LAST_REF_NODE): Ditto.
884         (FIRST_ADDR_NODE): Ditto.
885         (find): New function.
886         (unite): Ditto.
887         (dump_constraint): Do not handle INCLUDES.
888         (insert_into_complex): Do not insert duplicate constraints.
889         (condense_varmap_nodes): Renamed and rewritten into ...
890         (merge_node_constraints): This. Also fix bug in handling of
891         offseted copy constraints.
892         (clear_edges_for_node): No longer need to deal with preds at all,
893         or removing associated preds/succs. 
894         (merge_graph_nodes): Deal with indirect_cycles.
895         Don't deal with predecessors.
896         (add_implicit_graph_edge): New function.
897         (add_pred_graph_edge): Ditto.
898         (add_graph_edge): Don't deal with predecessors.
899         (build_constraint_graph): Removed.
900         (build_pred_graph): New function.
901         (build_succ_graph): Ditto.
902         (struct scc_info): Removed in_component. Added roots, dfs, and
903         node_mapping. Remove visited_index, unification_queue.
904         (scc_visit): Deal with union-find we do now.
905         Deal with cycles with REF nodes.
906         (collapse_nodes): Renamed and rewritten to ...
907         (unify_nodes): This.
908         (process_unification_queue): Removed.
909         (topo_visit): Cleanup
910         (do_da_constraint): Use find.
911         (do_sd_constraint): Ditto.
912         (do_ds_constraint): Ditto.
913         (do_complex_constraint): Ditto.
914         (init_scc_info): Update for removed and added members.
915         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
916         (find_indirect_cycles): This.
917         (equivalence_class): New variable.
918         (label_visit): New function.
919         (perform_variable_substitution): Rewritten.
920         (free_var_substitution_info): New function.
921         (find_equivalent_node): Ditto.
922         (move_complex_constraints): Ditto.
923         (eliminate_indirect_cycles): Ditto.
924         (solve_graph): Only propagate changed bits.
925         Use indirect cycle elimination.
926         Use find.
927         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
928         (tree_id_eq): Renamed to ...
929         (tree_vi_eq): This. Update for member change
930         (insert_id_for_tree): Renamed and rewritten to ...
931         (insert_vi_for_tree): This.
932         (lookup_id_for_tree): Renamed and rewritten to ...
933         (lookup_vi_for_tree): This.
934         (get_id_for_tree): Renamed and rewritten to ...
935         (get_vi_for_tree): Ditto.
936         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
937         (process_constraint): Don't handle INCLUDES.
938         Remove special ADDRESSOF case.
939         (find_func_aliases): Rewrite to use vi functions instead of id
940         ones.
941         (create_function_info_for): Ditto.
942         (create_variable_info_for): Ditto.
943         (intra_create_variable_infos): Ditto.
944         (merge_smts_into): Ditto.
945         (find_what_p_points_to): Ditto.
946         (init_base_vars): Ditto.
947         (init_alias_vars): Ditto.
948         (remove_preds_and_fake_succs): New function.
949         (dump_sa_points_to_info): Dump new stats.
950         (dump_solution_for_var): Use find.
951         (set_used_smts): Fix formatting.
952         (compute_points_to_sets): Updated for new functions.
953         (ipa_pta_execute): Ditto.
954
955 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
956             Richard Sandiford  <richard@codesourcery.com>
957
958         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
959         parallels.
960         * calls.c (expand_call): If the return value is a PARALLEL,
961         extract its first member.
962         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
963         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
964         use FUNCTION_EXTRA_EPILOGUE.
965         (m68k_function_value): Return a PARALLEL if the return value
966         is of a pointer type.
967         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
968         (FUNCTION_EXTRA_EPILOGUE): Remove.
969         * config/m68k/m68k.md (D0_REG): New constant.
970
971 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
972
973         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
974         output a NOP for empty epilogues.
975
976 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
977
978         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
979         before function.  Extend register save check to include all
980         registers, not just integer ones.
981
982 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
983
984         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
985         (m68k_use_return_insn): ...this.
986         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
987         * config/m68k/m68k.c (use_return_insn): Rename to...
988         (m68k_use_return_insn): ...this.
989         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
990         of USE_RETURN_INSN.
991
992 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
993
994         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
995         nearest even, fix denormal rounding overflow.
996
997 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
998
999         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1000         f%$smove and f%$move.
1001         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1002         (extendsfdf2_cf): Use fdmove instead of f%&move.
1003         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1004         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1005
1006 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1007
1008         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1009         GPR<-GPR moves.
1010
1011 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1012
1013         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1014         (coldfire_single_format): Declare.
1015         (coldfire_double_format): Likewise.
1016         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1017         of qnan_msb_set to determine the lower bits of a canonical
1018         NaN significand.
1019         (encode_ieee_double): Likewise.
1020         (encode_ieee_quad): Likewise.
1021         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1022         (mips_single_format): Likewise.
1023         (ieee_double_format): Likewise.
1024         (mips_double_format): Likewise.
1025         (ieee_extended_motorola_format): Likewise.
1026         (ieee_extended_intel_96_format): Likewise.
1027         (ieee_extended_intel_128_format): Likewise.
1028         (ieee_extended_intel_96_round_53_format): Likewise.
1029         (ibm_extended_format): Likewise.
1030         (mips_extended_format): Likewise.
1031         (ieee_quad_format): Likewise.
1032         (mips_quad_format): Likewise.
1033         (vax_f_format): Likewise.
1034         (vax_d_format): Likewise.
1035         (vax_g_format): Likewise.
1036         (i370_single_format): Likewise.
1037         (i370_double_format): Likewise.
1038         (decimal_single_format): Likewise.
1039         (decimal_double_format): Likewise.
1040         (decimal_quad_format): Likewise.
1041         (c4x_single_format): Likewise.
1042         (c4x_extended_format): Likewise.
1043         (real_internal_format): Likewise.
1044         (coldfire_single_format): New real_format.
1045         (coldfire_double_format): Likewise.
1046         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1047         canonical_nan_lsbs_set.
1048         (pdp11_d_format): Likewise.
1049         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1050         if TARGET_COLDFIRE_CPU.
1051
1052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1053
1054         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1055         (output_call, m68k_legitimize_call_address): Declare.
1056         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1057         parenthesees.  Add support for a 'W' constraint.
1058         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1059         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1060         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1061         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1062         variables.
1063         (override_options): Initialize them.  Do not set flag_no_function_cse
1064         for TARGET_ID_SHARED_LIBRARY.
1065         (m68k_output_pic_call): Delete.
1066         (m68k_legitimize_call_address): New function.
1067         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1068         (output_call): New function.
1069         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1070         target address from the GOT if symbolic jumps are not allowed.
1071         * config/m68k/m68k.md (call, general_operand): Do not set
1072         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1073         Merge separate flag_pic and !flag_pic define_insns into...
1074         (*call, *call_value): ...these new patterns.  Match the address
1075         rather than the containing MEM and require it to be a call_operand.
1076         Use output_call to generate the asm template.
1077         * config/m68k/predicates.md (const_call_operand): New predicate.
1078         (call_operand): Likewise.
1079
1080 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1081
1082         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1083         (STACK_GROWS_DOWNWARD): Define to 1.
1084         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1085         comments, emphasizing that these values are only defaults.
1086         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1087         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1088
1089 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1090
1091         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1092
1093 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1094             Richard Sandiford  <richard@codesourcery.com>
1095
1096         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1097         (FP_REGNO_P): New macros.
1098         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1099         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1100         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1101         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1102
1103 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1104
1105         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1106         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1107         to $tmake_file.
1108         * config/m68k/t-floatlib: New file, extracting common code from...
1109         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1110         * config/m68k/t-uclinux: Here.
1111         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1112         routines on ColdFire targets.
1113
1114 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1115
1116         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1117         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1118         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1119         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1120         explicitly set MOTOROLA to 1.
1121         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1122
1123 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1124             Nathan Sidwell  <nathan@codesourcery.com>
1125
1126         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1127         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1128         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1129         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1130         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1131         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1132         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1133         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1134         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1135         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1136         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1137         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1138         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1139         (DBX_REGISTER_NUMBER): Delete.
1140         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1141         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1142         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1143
1144 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1145
1146         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1147         * config/flat.h: New file.
1148         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1149         OBJECT_FORMAT_FLAT.
1150         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1151         indirect references for -msep-data or -mid-shared-library.
1152         Do not use PC-relative code addresses either.
1153         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1154         to -mpcrel.
1155         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1156         for shared libraries and crt1.o for executables.  Use crti.o and
1157         crtbegin.o.
1158         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1159         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1160         Do not add -elf2flt or -shared-lib-id options here.
1161         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1162         Pass -shared-lib-id if -mid-shared-library, taking the library
1163         identifier from -mshared-library-id if given, otherwise
1164         defaulting to 0.
1165         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1166         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1167         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1168         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1169         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1170         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1171         and crtend.o.
1172         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1173         jump sequence for ISA A and ISA A+.
1174         (PICJUMP): Likewise.
1175
1176 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1177
1178         * config.gcc (m68k-*-uclinux*): Base the port on the common
1179         and m68k GNU/Linux files rather than on the generic ELF ones.
1180         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1181         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1182
1183 2007-01-18  Julian Brown  <julian@codesourcery.com>
1184             Richard Sandiford  <richard@codesourcery.com>
1185
1186         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1187         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1188         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1189         before redefining.
1190         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1191         80 unconditionally.
1192         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1193
1194 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1195
1196         * doc/install.texi: Document m68k-uclinuxoldabi.
1197         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1198         * config/m68k/uclinux-oldabi.h: New file, copied from
1199         config/m68k/uclinux.h.
1200
1201 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1202
1203         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1204         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1205         (m32r_compute_frame_size): Use unsigned for regno.
1206         (m32r_reload_lr): Use gen_frame_mem.
1207         (pop): New.
1208         (m32r_output_function_epilogue): Don't output the function epilogue
1209         textually here.
1210         (m32r_expand_epilogue): New.
1211         (direct_return): Return false if the function has the interrupt
1212         attribute.
1213         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1214         * config/m32r/m32r.md (epilogue): New expander.
1215         (return_lr, return_rte): New insns.
1216         (return): Make it expander.
1217         (return_normal): New expander.
1218
1219 2007-01-18  Josh Conner  <jconner@apple.com>
1220
1221         PR target/30485
1222         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1223         support for UNLE, UNLT, UNGE, and UNGT.
1224
1225 2007-01-18  Jan Hubicka  <jh@suse.cz>
1226
1227         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1228         * tree-tailcall (add_virtual_phis): Likewise.
1229         (optimize_tail_call): Return TODOs.
1230         (execute_tail_calls): Return TODOs.
1231         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1232         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1233         changed.
1234         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1235         Cleanup cfg using TODO.
1236         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1237         * passes.c (execute_function_todo): When cleanup did something, remove
1238         unused locals.
1239         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1240         (make_edges): Don't cleanup_cfg.
1241
1242 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1243
1244         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1245         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1246         operate on the top of stack.
1247         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1248         register handling of instructions that output to the second
1249         stack slot.
1250         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1251         (move_for_stack_reg): Special-case check for dead destination
1252         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1253
1254         * config/i386/i386.md (UNSPEC_TAN): New constant.
1255         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1256         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1257         to correctly model move of constant 1.0 to top stack slot.
1258         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1259         (unnamed peephole2 pattern): Remove corresponding peephole2
1260         pattern that optimizes tan insn and loading of constant 1.0.
1261         (tanxf2): Use fptanxf4_i387.
1262         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1263         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1264         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1265         disable patterns for SSE math.
1266         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1267         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1268
1269 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1270             Richard Guenther <rguenther@suse.de>
1271
1272         PR diagnostic/8268
1273         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1274         * common.opt (Warray-bounds): Add new warning option.
1275         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1276         if -Wall is given.
1277         * Makefile.in: make tree-vrp.o depend on toplev.h
1278         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1279         is enabled.
1280         (check_array_refs, check_array_bounds, check_array_ref): New.
1281
1282 2007-01-18  Jan Hubicka  <jh@suse.cz>
1283
1284         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1285         (execute_ssa_ccp): Return flags conditionally.
1286         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1287         changed.
1288         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1289
1290 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1291
1292         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1293         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1294
1295         * Makefile.c (GTFILES): Add cfglayout.h.
1296         * gengtype.c (open_base_files): Likewise.
1297         * cfglayout.c (cfg_layout_function_footer,
1298         cfg_layout_function_header) Reindent to make gengtype happy.
1299         * cfglayout.h (cfg_layout_function_footer,
1300         cfg_layout_function_header): Add GTY(()) marker.
1301
1302         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1303
1304 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1305
1306         * genautomata.c (write_automata): Include xstrerror output in the
1307         error message if writing the DFA description file fails.
1308
1309 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1310
1311         * config/mips/mips-protos.h (mips_output_external): Make it
1312         return void.
1313         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1314         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1315         (extern_list): Likewise.
1316         (extern_head): Likewise.
1317         (TARGET_ASM_FILE_END): Likewise.
1318         (mips_file_end): Likewise.
1319         (mips_output_external): Rewritten.
1320
1321 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1322
1323         * genpreds.c (write_insn_preds_c): Only write out the function
1324         body for regclass_for_constraint if we have register constraints.
1325
1326 2007-01-17  Tom Tromey  <tromey@redhat.com>
1327
1328         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1329         * doc/install.texi (Testing): Use sourceware.org.
1330         (Binaries): Likewise.
1331         (Specific): Likewise.
1332         * doc/contrib.texi (Contributors): Use sourceware.org.
1333
1334 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1335
1336         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1337         (AVR_ENHANCED): Rename to ...
1338         (AVR_HAVE_MUL): ... new.
1339         (avr_enhanced_p): Rename to ...
1340         (avr_have_mul_p): ... new.
1341         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
1342         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1343         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1344         (avr_have_mul_p): ... new.
1345         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1346         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1347         'avr_enhanced_p' and 'enhanced'.
1348         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
1349         AVR_HAVE_MUL instead of AVR_ENHANCED.
1350         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1351         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
1352         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
1353         instead of AVR_ENHANCED.
1354         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1355         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1356         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1357
1358 2007-01-17  Ian Lance Taylor  <iant@google.com>
1359
1360         * vec.h (VEC_reserve_exact): Define.
1361         (vec_gc_p_reserve_exact): Declare.
1362         (vec_gc_o_reserve_exact): Declare.
1363         (vec_heap_p_reserve_exact): Declare.
1364         (vec_heap_o_reserve_exact): Declare.
1365         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1366         versions.
1367         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1368         negative parameter.
1369         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1370         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1371         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1372         * vec.c (calculate_allocation): Add exact parameter.  Change all
1373         callers.
1374         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1375         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1376         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1377         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1378         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1379         (vec_heap_p_reserve_exact): New function.
1380         (vec_heap_o_reserve_exact): New function.
1381
1382 2007-01-17  Jan Hubicka  <jh@suse.cz>
1383
1384         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1385
1386 2007-01-17  Eric Christopher  <echristo@apple.com>
1387
1388         * config.gcc: Support core2 processor.
1389
1390 2007-01-16  Jan Hubicka  <jh@suse.cz>
1391
1392         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1393         the names, just unlink the chain so we don't crash on dangling pointers
1394         to dead SSA names.
1395
1396 2007-01-16  Jan Hubicka  <jh@suse.cz>
1397
1398         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1399         * tree-pass.h: Reorder to make IPA passes appear toegher.
1400         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1401         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1402         parameters, do not call early inliner.
1403         * ipa-inline.c: Update comments.  Include tree-flow.h
1404         (cgraph_decide_inlining): Do not compute inlining parameters.
1405         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1406         be called with function context set up.
1407         (pass_ipa_inline): Remove unreachable functions before pass.
1408         (cgraph_early_inlining): Simplify assuming to be called from the
1409         PM as local pass.
1410         (pass_early_inline): New pass.
1411         (cgraph_gate_ipa_early_inlining): New gate.
1412         (pass_ipa_early_inline): Turn into simple wrapper.
1413         (compute_inline_parameters): New function.
1414         (gate_inline_passes): New gate.
1415         (pass_inline_parameters): New pass.
1416         (apply_inline): Move here from tree-optimize.c
1417         (pass_apply_inline): New pass.
1418         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1419         transforming.
1420         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1421         doing them by hand.
1422         (tree_function_versioning): Do not allocate dummy struct function.
1423         * tree-inline.h (optimize_inline_calls): Update prototype.
1424         * tree-optimize.c (execute_fixup_cfg): Export.
1425         (pass_fixup_cfg): Remove
1426         (tree_rest_of_compilation): Do not apply inlines.
1427         * tree-flow.h (execute_fixup_cfg): Declare.
1428         * Makefile.in (gt-passes.c): New.
1429         * passes.c: Include gt-passes.h
1430         (init_optimization_passes): New passes.
1431         (nnodes, order): New static vars.
1432         (do_per_function_toporder): New function.
1433         (execute_one_pass): Dump current pass here.
1434         (execute_ipa_pass_list): Don't dump current pass here.
1435
1436 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1437
1438         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1439         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1440
1441 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1442
1443         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1444         (strong_alias): Define.
1445         (__gcc_qmul): Provide non-FMA for soft-float.
1446         (__gcc_qdiv): Same.
1447         (__gcc_qneg): New.
1448         (__gcc_qeq): New.
1449         (__gcc_qle): New.
1450         (__gcc_qge): New.
1451         (__gcc_qunord): New.
1452         (__gcc_stoq): New.
1453         (__gcc_dtoq): New.
1454         (__gcc_qtos): New.
1455         (__gcc_qtod): New.
1456         (__gcc_qtoi): New.
1457         (__gcc_qtou): New.
1458         (__gcc_itoq): New.
1459         (__gcc_utoq): New.
1460         (fmsub): New.
1461         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1462         soft-float functions.
1463         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1464         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1465         about long double soft float.
1466
1467 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1468             Tehila Meyzels  <tehila@il.ibm.com>
1469
1470         * tree-vectorizer.h (is_pattern_stmt_p): New.
1471         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1472         formatting (tabs instead of spaces). Cleanup and clarify setting
1473         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1474         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1475         (vectorizable_type_demotion): Check that types are integral.
1476         (vectorizable_type_promotion): Likewise.
1477         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1478         comments.
1479
1480 2007-01-16  Jan Hubicka  <jh@suse.cz>
1481
1482         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1483         cgraph edges too.
1484
1485 2007-01-15  Eric Christopher  <echristo@apple.com>
1486
1487         * ifcvt.c: Include vec.h, vecprim.h.
1488         (check_cond_move_block): New argument regs.
1489         Reorganize. Add registers used to regs.
1490         (cond_move_process_if_block): Use regs set above as
1491         loop bounds.
1492
1493 2007-01-15  Eric Christopher  <echristo@apple.com>
1494
1495         * config/darwin.h: Update copyright.
1496         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1497         (LINK_COMMAND_SPEC): Add -u.
1498         (LINK_SPEC): Fix umbrella for above.
1499
1500 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1501
1502         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1503         glibc CVS.
1504
1505 2007-01-15  Tom Tromey  <tromey@redhat.com>
1506
1507         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1508         * doc/install.texi (Testing): Don't mention jacks.
1509         (Configuration): Document --enable-java-maintainer-mode.  Move
1510         --with-java-home to libgcj-specific section.  Document
1511         --with-ecj-jar.
1512         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1513
1514 2007-01-15  Jan Hubicka  <jh@suse.cz>
1515
1516         * tree-ssa-dce.c (DCE_TODOs): New.
1517         (propagate_necessity): Return if something changed.
1518         (eliminate_unnecessary_stmts): Likewise.
1519         (perform_tree_ssa_dce): Return TODO flags when needed.
1520         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1521
1522 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1523
1524         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1525         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1526         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1527         patterns using X87MODEF12 mode macro.  Extend operand 1
1528         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1529         (log10<mode>2): Ditto.
1530         (log2<mode>2): Ditto.
1531         (log1p<mode>2): Ditto.
1532         (logb<mode>2): Ditto.
1533         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1534         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1535         (*fxtractxf3_i387): Rename from *fxtractxf3.
1536         (fxtract_extend<mode>xf3_i387): New insn pattern.
1537         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1538         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1539         and gen_fyl2xxf3_i387().
1540
1541 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1542
1543         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1544         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1545         get_loop_exit_edges.  Changed return type to bool.
1546         * cfgloop.h (fix_loop_placement): Declaration removed.
1547
1548 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1549
1550         * param.h (MIN_VECT_LOOP_BOUND): New.
1551         * params.def (MIN_VECT_LOOP_BOUND): New.
1552         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1553         argument - minimum threshold for number of iterations.
1554         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1555         argument to declaration.
1556         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1557         MIN_VECT_LOOP_BOUND.
1558         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1559         slpeel_tree_peel_loop_to_edge with additional argument.
1560         (vect_do_peeling_for_alignment): Likewise.
1561         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1562
1563 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1564
1565         PR target/30413
1566         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1567         operands of size 1.
1568
1569 2007-01-14  Jan Hubicka  <jh@suse.cz>
1570
1571         * tree-dfa.c (remove_referenced_var): New function.
1572         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1573         prune referenced vars list too.
1574         * tree-flow.h (remove_referenced_var): Declare.
1575
1576 2007-01-14  Jan Hubicka  <jh@suse.cz>
1577
1578         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1579         separately.
1580         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1581         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1582         * except.h (verify_eh_throw_table_statements): Kill prototype.
1583         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1584         into call exrepssions.
1585         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1586         eh trhow verifier.
1587         * tree-cfg.c: Include pointer-set.h.
1588         (verify_node_sharing): Work on pointer set.
1589         (verify_eh_throw_stmt_node): New.
1590         (verify_stmts): Use pointers sets, verify throw_stmt.
1591
1592 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1593
1594         * ipa-reference.c (analyze_function): Consider also addresses taken
1595         in phi nodes.
1596
1597 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1598
1599         * c-typeck.c (null_pointer_constant_p): Replace use of
1600         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1601         (build_c_cast): Likewise.
1602
1603 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1604
1605         * tree.h (force_fit_type_double): Remove unused final argument.
1606         * c-common.c (constant_expression_warning): Replace use of
1607         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1608         (convert_and_check): Likewise.
1609         (shorten_compare): Update call to force_fit_type_double.
1610         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1611         * convert.c (convert_to_pointer): Update call to
1612         force_fit_type_double.
1613         * fold-const.c (force_fit_type_double): Remove overflowed_const
1614         argument.
1615         (int_const_binop, fold_convert_const_int_from_int,
1616         fold_convert_const_int_from_real, fold_div_compare,
1617         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1618         fold_abs_const, fold_not_const): Remove the final argument from
1619         calls to force_fit_type_double.
1620
1621 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1622
1623         * configure.ac: Set insn to "nop" for spu-*-* also.
1624         * configure: Regenerate.
1625
1626 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1627
1628         * builtins.def : Add BUILT_IN_FREE.
1629
1630 2007-01-12  Jan Hubicka  <jh@suse.cz>
1631
1632         PR tree-optimization/30443
1633         * tree-inline.c (tree_function_versioning): Do not optimize when
1634         cloning for inlining.
1635
1636 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1637
1638         * doc/loop.texi: Document recording of loop exits.
1639         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1640         (update_single_exits_after_duplication,
1641         update_single_exit_for_duplicated_loop,
1642         update_single_exit_for_duplicated_loops): Removed.
1643         (duplicate_loop_to_header_edge): Do not call
1644         update_single_exits_after_duplication and
1645         update_single_exit_for_duplicated_loops.
1646         (loop_version): Do not update single_exit information.
1647         (fix_loop_structure): Use record_loop_exits instead of
1648         mark_single_exit_loops.
1649         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1650         the lists of loop exits.
1651         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1652         split_edge, merge_blocks): Update the lists of loop exits.
1653         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1654         loop_optimizer_init.
1655         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1656         of mark_single_exit_loops.
1657         (loop_optimizer_finalize): Call release_recorded_exits.
1658         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1659         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1660         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1661         update single exit information.
1662         * lambda-code.c (perfect_nestify): Ditto.
1663         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1664         (mark_single_exit_loops): Removed.
1665         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1666         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1667         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1668         functions.
1669         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1670         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1671         (verify_loop_structure): Verify consistency of the exit lists.
1672         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1673         (set_single_exit): Removed.
1674         * cfgloop.h (struct loop_exit): New function.
1675         (struct loop): single_exit_ field replaced by exits field.
1676         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1677         (struct loops): Added exits hash.
1678         (mark_single_exit_loops, set_single_exit): Declaration removed.
1679         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1680
1681 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1682
1683         * doc/invoke.texi: Avoid use of @headitem.
1684
1685 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1686
1687         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1688
1689 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1690
1691         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1692         list of targets.
1693
1694 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1695             Richard Sandiford  <richard@codesourcery.com>
1696
1697         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1698         * config/m68k/m68k.opt: Resort options.
1699         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1700
1701 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1702             Richard Sandiford  <richard@codesourcery.com>
1703
1704         * doc/invoke.texi: Document the macros that are defined by
1705         m68k's -mtune and -mhard-float options.
1706         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1707         (m68k_cpp_cpu_family): Likewise.
1708         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1709         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1710         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1711         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1712         (m68k_cpp_cpu_family): Likewise.
1713
1714 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1715
1716         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1717         macros besides mc68000 as tuning macros.  Use a switch statement
1718         to set them and mcpu32.
1719
1720 2007-01-12  Julian Brown  <julian@codesourcery.com>
1721
1722         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1723         (TARGET_68040_ONLY): Rename to...
1724         (TARGET_68040): ...this.
1725         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1726         * config/m68k/m68k.md: Likewise.
1727
1728 2007-01-12  Julian Brown  <julian@codesourcery.com>
1729             Nathan Sidwell  <nathan@codesourcery.com>
1730             Richard Sandiford  <richard@codesourcery.com>
1731
1732         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1733         the -mcpu= argument associated with the --with-cpu setting.
1734         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1735         if different from the one implied by the -mcpu setting.
1736         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1737         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1738         * doc/invoke.texi: Mention ColdFire in the introduction to the
1739         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1740         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1741         -mhard-float.  Document the previously-undocumented -m5206e,
1742         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1743         documentation for consistency.
1744         * doc/install.texi: Mention new --with-cpu arguments.
1745         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1746         default CPU if neither -mcpu nor -march are specified.
1747         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1748         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1749         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1750         using m68k_tune to decide between families that implement the
1751         same ISA.  Use m68k_tune to set __mcfv4e__.
1752         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1753         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1754         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1755         (FL_ISA_C, FL_ISA_MMU): New macros.
1756         (MASK_COLDFIRE): Delete.
1757         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1758         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1759         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1760         (TARGET_HARD_FLOAT): Do not define here.
1761         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1762         (TUNE_68000): New macro.
1763         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1764         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1765         (TUNE_CFV2): Redefine in terms of m68k_tune.
1766         (uarch_type, target_device, fpu_type): New enums.
1767         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1768         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1769         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1770         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1771         (FL_FOR_isa_c): New macros.
1772         (m68k_isa): New enum.
1773         (m68k_target_selection): New structure.
1774         (all_devices, all_isas, all_microarchs): New tables.
1775         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1776         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1777         (MASK_ALL_CPU_BITS): Delete.
1778         (m68k_find_selection): New function.
1779         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1780         Map the legacy target options to a combination of the new ones.
1781         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1782         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1783         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1784         settings.
1785         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1786         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1787         properties.
1788         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1789         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1790         * config/m68k/m68k-devices.def: New file.
1791
1792 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1793             Nathan Sidwell  <nathan@codesourcery.com>
1794
1795         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1796         (SUBTARGET_EXTRA_SPECS): New macros.
1797         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1798         use %(asm_cpu_spec) instead.
1799         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1800         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1801         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1802         (EXTRA_SPECS): Rename to...
1803         (SUBTARGET_EXTRA_SPECS): ...this.
1804
1805 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1806             Richard Sandiford  <richard@codesourcery.com>
1807             Julian Brown  <julian@codesourcery.com>
1808
1809         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1810         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1811         to the configuration's default CPU.
1812         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1813         Remove default masks.
1814         (m680[012]0-*-*): Set the default with_cpu to the first part of
1815         the target name.
1816         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1817         (m68k*-*-linux): Extend the --with-cpu handling to...
1818         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1819         and m68010.  Don't set target_cpu_default2.
1820         * doc/install.texi: Document --with-cpu for m68k.
1821         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1822         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1823         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1824         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1825         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1826         (ASM_SPEC): Remove use of %(asm_cpu_default).
1827         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1828         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1829         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1830         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1831         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1832         (TARGET_DEFAULT): Delete.
1833         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1834         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1835         (CPP_CPU_SPEC): Delete.
1836         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1837         the appropriate string.
1838         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1839         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1840         (ASM_SPEC): Don't use %(asm_default_spec).
1841         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1842         TARGET_DEFAULT and add MASK_68881.
1843         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1844
1845 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1846
1847         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1848         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1849         MASK_68010 alongside MASK_68020.
1850         * doc/invoke.texi: Document -m68010.
1851         * config/m68k/m68k.opt (m68010): New.
1852         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1853         if TUNE_68010.
1854         (TUNE_68010): New macro.
1855         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1856         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1857         (M68K_CPU_m68332): Add MASK_68010.
1858         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1859         fallback definition.
1860         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1861         defines.
1862         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1863         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1864         to all entries that use MASK_68020.
1865         (output_move_simode_const, output_move_himode, output_move_qimode)
1866         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1867         instead of TARGET_68020 to select clr behavior.  Remove comment
1868         about there being no TARGET_68010.
1869         * config/m68k/m68k.md: Likewise throughout.
1870
1871 2007-01-12  Julian Brown  <julian@codesourcery.com>
1872
1873         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1874         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1875         * config/m68k/m68k.md: Likewise.
1876
1877 2007-01-12  Julian Brown  <julian@codesourcery.com>
1878
1879         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1880         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1881
1882 2007-01-12  Julian Brown  <julian@codesourcery.com>
1883
1884         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1885         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1886         * config/m68k/m68k.md: Likewise.
1887
1888 2007-01-12  Julian Brown  <julian@codesourcery.com>
1889             Richard Sandiford  <richard@codesourcery.com>
1890
1891         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1892         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1893         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1894         TARGET_CPU32.
1895         (TARGET_CPU32): Rename to...
1896         (TUNE_CPU32): ...this.
1897         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1898         (TUNE_CFV2): New macros.
1899         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1900         remove conditions that are implied by TARGET_68020.
1901         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1902         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1903         (m68k_output_function_epilogue): Likewise.
1904         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1905         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1906         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1907         non-68000 timings.  Refactor multiplication and division costs.
1908         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1909         TUNE_CPU32 instead of TARGET_CPU32.
1910         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1911         and TUNE_68060 instead of TARGET_68060.
1912         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1913         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1914         TARGET_CPU32.
1915         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1916         && !TARGET_COLDFIRE" to choose between moveq and clr.
1917         Likewise in the unnamed movsf pattern.
1918         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1919         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1920         ashiftrt pattern.
1921
1922 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1923
1924         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1925         of tabbing before backslashes.
1926
1927 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1928
1929         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1930         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1931         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1932
1933 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1934
1935         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1936         find_interesting_uses_cond.
1937         (find_interesting_uses_cond): Use extract_cond_operands.
1938         (rewrite_use_compare): Use extract_cond_operands and
1939         force_gimple_operand_bsi.  Do not call update_stmt.
1940         (determine_use_iv_cost_condition): Use extract_cond_operands.
1941         Return cheaper of using original bound and changing the exit bound.
1942
1943 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1944
1945         PR tree-optimization/29516
1946         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1947         most_expensive_mult_to_index, addr_to_parts,
1948         create_mem_ref, maybe_fold_tmr): Make the type of
1949         fields of TARGET_MEM_REF sizetype.
1950         (move_fixed_address_to_symbol, move_pointer_to_base):
1951         New functions.
1952         * tree.def (TARGET_MEM_REF): Add comment on types of
1953         the operands.
1954
1955 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1956
1957         * c-common.c (vector_types_convertible_p): Treat opaque types as
1958         always convertible if they have the same size, but not otherwise.
1959
1960 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1961
1962         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1963         Remove the b_unconditional field.
1964         (noce_try_sign_mask): Do not look at b_unconditional.
1965         (noce_process_if_block): Do not use merge_if_blocks.  Update
1966         the CFG here.  Do not set b_unconditional.
1967         (cond_move_process_if_block): Likewise.
1968         (find_cond_trap): Likewise.
1969         (check_cond_move_block): Require simple jump insns at the end
1970         of the basic block.
1971
1972 2007-01-11  Jan Hubicka  <jh@suse.cz>
1973
1974         PR tree-optimization/1046
1975         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1976         when alias info is not ready.
1977         (pass_tail_recursion): Do not require aliasing.
1978         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1979         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1980         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1981         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1982         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1983         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1984         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1985         before inlining.
1986         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1987         When aliasing is not build, mark statement as volatile.
1988
1989 2007-01-11  Tom Tromey  <tromey@redhat.com>
1990
1991         PR preprocessor/15185, PR preprocessor/20989:
1992         * doc/cppopts.texi <-MT>: Update description of algorithm for
1993         computing default target.
1994         <-M, -MD>: Reword "basename" text.
1995
1996 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1997
1998         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1999         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2000         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2001         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2002         fold_builtin_bswap, real_constp, fold_builtin_pow,
2003         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2004         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2005         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2006         * convert.c (convert_to_pointer): Likewise.
2007         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2008         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2009         const_binop, fold_convert_const_int_from_int,
2010         fold_convert_const_int_from_real,
2011         fold_convert_const_real_from_real, sign_bit_p,
2012         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2013         fold_sign_changed_comparison, fold_unary, fold_comparison,
2014         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2015         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2016         * print-tree.c (print_node_brief, print_node): Likewise.
2017         * stor-layout.c (place_field, layout_type): Likewise.
2018         * tree-chrec.c (keep_cast): Likewise.
2019         * tree.c (build_vector, build_real, build_real_from_int_cst,
2020         build_complex): Likewise.
2021
2022 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2023
2024         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2025         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2026
2027 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2028
2029         * configure.ac (strict1_warn): Rename to strict_warn.
2030         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2031         cc_set_by_configure, quoted_cc_set_by_configure,
2032         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2033         all_boot_languages, all_stagestuff): Remove.
2034         (target_list): Remove bootstrap targets.
2035         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2036         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2037         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2038         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2039         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2040         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2041         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2042         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2043         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2044         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2045         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2046         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2047         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2048         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2049         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2050         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2051         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2052         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2053         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2054         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2055         (mostlyclean): Adjust.
2056         (clean, distclean): Don't mention bootstrap stuff.
2057         * configure: Regenerate.
2058         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2059         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2060         treelang/config-lang.in (stagestuff): Remove.
2061         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2062         stageprofile, stagefeedback, stagestuff): Remove mention.
2063
2064 2007-01-11  Nick Clifton  <nickc@redhat.com>
2065
2066         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2067         Accept CONSTs.
2068         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2069         (mcore_arith_K_S_operand): Run the test for the S constraint not
2070         the test for the M constraint.
2071         (mcore_addsub_operand): Do not accept integer values that are
2072         larger than 32 bits.
2073         * config/mcore/mcore.md: Remove unused constraints from split.
2074         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2075         (addsi3): Likewise.
2076         (allocate_stack): Likewise.
2077         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2078         operands to 32 bits.
2079         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2080         INTVAL.
2081         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2082         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2083         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2084         mcore_output_bclri, mcore_output_andn, output_inline_const,
2085         mcore_output_move, mcore_output_movedouble): Likewise.
2086         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2087         (output_inline_const): Likewise.
2088         (output_inline_const): Fix format strings used in sprintf
2089         statements.
2090         * config/mcore/mcore-protos.h: Update prototypes for changed
2091         functions in mcore.c.
2092         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2093         HOST_WIDE_INT and not int.
2094         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2095         CONST_OK_FOR_N): Likewise.
2096         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2097         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2098         an INTVAL.
2099
2100 2007-01-10  Jan Hubicka  <jh@suse.cz>
2101
2102         * tree-vrp.c (remove_range_assertions): Release defs.
2103         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2104         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2105
2106 2007-01-10  Paul Brook  <paul@codesourcery.com>
2107
2108         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2109         * config/arm/arm.md (mulsi3subsi): New insn.
2110
2111 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2112
2113         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2114         (tree_transform_and_unroll_loop): New.
2115         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2116         Declare.
2117
2118 2007-01-10  Robert Kennedy <jimbob@google.com>
2119
2120         * fold-const.c (fold_comparison): Fold comparisons like (x *
2121         1000 < 0) to (x < 0).
2122
2123 2007-01-10  Ian Lance Taylor  <iant@google.com>
2124
2125         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2126         operands have the same priority.
2127
2128 2007-01-10  Tom Tromey  <tromey@redhat.com>
2129
2130         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2131         (fold_binary): Likewise.
2132         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2133         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2134         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2135         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2136         * langhooks.h (struct lang_hooks): Removed field
2137         'can_use_bit_fields_p'.
2138
2139 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2140
2141         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2142
2143 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2144
2145         * function.c (get_last_funcdef_no): New function.
2146         * function.h (get_last_funcdef_no): Declare.
2147         * tree-inline.c (initialize_cfun): Add initialization.
2148         (tree_function_versioning): Cleanup.
2149
2150 2007-01-10  Jan Hubicka  <jh@suse.cz>
2151
2152         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2153         PHIs.
2154
2155 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2156             Ben Elliston  <bje@au.ibm.com>
2157
2158         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2159         for SAVE_NONLOCAL and Pmode for any other save level.
2160         * spu-protos.h (spu_restore_stack_block): Declare.
2161         * spu.md (save_stack_block): Remove.
2162         (restore_stack_block): Call spu_restore_stack_block.
2163         * spu.c (spu_restore_stack_block): New function.
2164         (spu_expand_epilogue): Remove old comment.
2165
2166 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2167
2168         PR tree-optimization/30322
2169         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2170         (cand_value_at): Return the value as aff_tree.
2171         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2172         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2173         aff_combination_mult): New functions.
2174         (aff_combination_add): Use aff_combination_add_cst.
2175         (aff_combination_convert): Allow conversions to a wider type.
2176         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2177         * tree-affine.h (aff_combination_mult): Declare.
2178
2179 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2180
2181         * doc/tm.texi: Update documentation to reflect reality of exec
2182         and start file search behaviours. Update copyright year.
2183         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2184         header file directories.
2185
2186 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2187
2188         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2189         (*cosxf2): Rename to cosxf2_i387.
2190         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2191         using X87MODEF12 mode macro. Rename patterns to
2192         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2193         for SSE math.
2194         (*cosdf2, *cossf2): Ditto.
2195         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2196         to match extended input operands.
2197         (sincos<mode>3): New expander.
2198         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2199         insn patterns and corresponding splitters.
2200
2201 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2202
2203         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2204         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2205
2206 2007-01-09  Nicolas Pitre  <nico@cam.org>
2207
2208         PR target/30173
2209         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2210
2211 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2212
2213         * target.h (struct gcc_target): New field library_rtti_comdat.
2214         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2215         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2216         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2217         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2218
2219 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2220
2221         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2222
2223 2007-01-08  Richard Guenther  <rguenther@suse.de>
2224
2225         * tree.h (force_fit_type_double): Export.
2226         (force_fit_type): Remove.
2227         * fold-const.c (force_fit_type_double): New function.
2228         (force_fit_type): Remove.
2229         (int_const_binop): Use it.
2230         (fold_convert_const_int_from_int): Likewise.
2231         (fold_convert_const_int_from_real): Likewise.
2232         (fold_div_compare): Likewise.
2233         (fold_sign_changed_comparison): Likewise.
2234         (fold_unary): Likewise.
2235         (fold_negate_const): Likewise.
2236         (fold_abs_const): Likewise.
2237         (fold_not_const): Likewise.
2238         * c-common.c (shorten_compare): Use force_fit_type_double.
2239         * convert.c (convert_to_pointer): Likewise.
2240
2241 2007-01-08  Richard Guenther  <rguenther@suse.de>
2242
2243         * tree.h (build_int_cst_wide_type): Export.
2244         * tree.c (build_int_cst_wide_type): New function.
2245         (build_int_cst_wide): Fix comment.
2246         * builtins.c (fold_builtin_object_size): Use build_int_cst
2247         to build -1 or 0 of the correct type.  Use fit_double_type
2248         to check for overflow.
2249         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2250         to build the mask.
2251         (decode_field_reference): Likewise.
2252         (all_ones_mask_p): Likewise.
2253         (native_interpret_int): Use build_int_cst_wide_type.
2254         (fold_binary): Use build_int_cst_type to build an all-ones
2255         value.
2256         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2257
2258 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2259
2260         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2261
2262 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2263
2264         * genautomata.c (STATS_OPTION): New option.
2265         (stats_flag): New flag.
2266         (gen_automata_option): Handle it.
2267         (initiate_automaton_gen): Ditto.
2268         (write_automata): Output statistics only if stats_flag is
2269         set. Likewise, output time statistics only if time_flag is set.
2270         * doc/md.texi (Processor pipeline description): Document new flag.
2271
2272 2007-01-08  Richard Guenther  <rguenther@suse.de>
2273
2274         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2275         * tree.c (build_int_cst_type): Likewise.
2276         (size_in_bytes): Don't call force_fit_type on the result.
2277         (int_fits_type_p): Use fit_double_type.
2278         * fold-const.c (fit_double_type): New function.
2279         (force_fit_type): Use it.
2280         * tree.h (fit_double_type): Export.
2281
2282 2007-01-08  Jan Hubicka  <jh@suse.cz>
2283
2284         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2285         * ipa.c (function_and_variable_visibility): Fix return type.
2286
2287 2007-01-08  Richard Guenther  <rguenther@suse.de>
2288
2289         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2290         of offset to build the index.
2291         * tree-pretty-print.c (dump_generic_node): Don't build negated
2292         const just for printing.
2293         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2294         * builtins.c (fold_builtin_int_roundingfn): Check if result
2295         fits the type by using force_fit_type and comparing the result.
2296         * predict.c (predict_loops): Use compare_tree_int for comparison.
2297         * tree.c (build_int_cst): Fall back to integer_type_node for
2298         NULL_TREE type.
2299         (build_int_cst_wide): Assert type is non-null.
2300
2301 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2302
2303         * tree-vrp.c (extract_range_from_cond_expr): New.
2304         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2305         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2306         as expressions.
2307         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2308         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2309         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2310         used as expressions.
2311         * tree-object-size.c (cond_expr_object_size): New.
2312         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2313
2314 2007-01-08  Jan Hubicka  <jh@suse.cz>
2315
2316         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2317         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2318         statement.
2319
2320 2007-01-08  Richard Guenther  <rguenther@suse.de>
2321
2322         PR tree-optimization/23603
2323         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2324         (extract_range_from_binary): Fall back to truthvalue instead of
2325         varying for TRUTH_*_EXPR.
2326         (extract_range_from_comparison): Fall back to truthvalue instead of
2327         varying.
2328         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2329         if all visited PHI values were constant.
2330
2331 2007-01-08  Jan Hubicka  <jh@suse.cz>
2332
2333         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2334         (cgraph_analyze_function): break out from ...
2335         (cgraph_finalize_compilation_unit): ... here.
2336         (cgraph_expand_function): Remove forgoten commented out line.
2337         (cgraph_optimize): Analyze functions.
2338
2339 2007-01-08  Jan Hubicka  <jh@suse.cz>
2340
2341         * tree-pas.h (TODO_remove_function): New flag.
2342         (TODO_update*): Renumber.
2343         (pass_ipa_increase_alignment,
2344         pass_ipa_function_and_variable_visibility): New passes.
2345         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2346         (cgraph_function_and_variable_visibility): Move to ipa.c
2347         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2348         cgraph_increase_alignment.
2349         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2350         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2351         calling tree-inline.
2352         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2353         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2354         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2355         (gate_increase_alignment): New function.
2356         (pass_ipa_increase_alignment): New pass.
2357         * ipa.c: Inline tree-pass.h and timevar.h
2358         (function_and_variable_visibility): Move here from cgraphunit.c
2359         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2360         * passes.c (init_optimization_passes): Add the two new passes.
2361         (execute_todo): Handle cgraph_remove_functions.
2362
2363 2007-01-08  Nick Clifton  <nickc@redhat.com>
2364
2365         * config/frv/predicates.md (reg_or_0_operand): Accept
2366         CONST_DOUBLEs.
2367
2368 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2369
2370         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2371         * config.gcc: Add bfin*-rtems*.
2372
2373 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2374
2375         * c.opt: Add -flax-vector-conversions.
2376         * c-typeck.c (convert_for_assignment): Pass flag to
2377         vector_types_convertible_p to allow emission of note.
2378         (digest_init): Likewise.
2379         * c-opts.c: Handle -flax-vector-conversions.
2380         * c-common.c (flag_lax_vector_conversions): New.
2381         (vector_types_convertible_p): Unless -flax-vector conversions
2382         has been passed, disallow conversions between vectors with
2383         differing numbers of subparts and/or element types.  If such
2384         a conversion is disallowed, possibly emit a note on the first
2385         occasion only to inform the user of -flax-vector-conversions.
2386         The new last argument specifies this.
2387         * c-common.h (flag_lax_vector_conversions): New.
2388         (vector_types_convertible_p): Add extra argument.
2389         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2390         char_type_node for V*QI type vectors.
2391         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2392         Update to satisfy new typechecking rules.
2393         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2394         C and C++ variants.
2395         * doc/invoke.texi (C Dialect Options): Document
2396         -flax-vector-conversions.
2397
2398 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2399
2400         PR tree-optimization/29877
2401         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2402         a register variable on the RHS to not be replaceable.
2403
2404 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2405         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2406         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2407         const_simm15, const_pow2, const_npow2): Added.
2408         * config/score/misc.md (insv, extv, extzv, movmemsi,
2409         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2410         * config/score/score.c (score_address_cost, score_select_cc_mode):
2411         Added.
2412         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2413         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2414         Update score_print_operand.
2415         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2416         Adjust register allocate order and update some macro define.
2417         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2418         mdx_block_move_straight, mdx_block_move_loop_head,
2419         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2420         mdx_block_move): Added.
2421         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2422         mdp_limm): Updated and fix some bug and typo.
2423         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2424         (movsf, movdf, doloop_end): Added.
2425
2426 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2427
2428         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2429         config/arm/thumb2.md: Fix comment typos.
2430         * doc/extend.texi: Fix a typo.
2431
2432 2007-01-07  Eric Christopher  <echristo@apple.com>
2433
2434         * configure.ac: Check for __stack_chk_fail for darwin.
2435         * configure: Regenerate.
2436
2437 2007-01-07  Richard Guenther  <rguenther@suse.de>
2438
2439         * tree-vrp.c (extract_range_from_assert): CSE calls to
2440         compare_values where possible.
2441         (extract_range_from_unary_expr): Likewise.
2442
2443 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2444
2445         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2446         * config/avr/avr.c (call_insn_operand): Delete function.
2447         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2448         instead of register number. Use predicates.
2449         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2450         call_insn_operand): Add.
2451
2452 2007-01-06  Jan Hubicka  <jh@suse.cz>
2453
2454         * tree-pass.h (pass_build_cgraph_edges): Declare.
2455         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2456         (visited_nodes): Remove.
2457         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2458         build_cgrpah_edges; make visited_nodes local.
2459         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2460         (record_references_in_initializer): Move to cgraphbuild.c
2461         (initialize_inline_failed, rebuild_cgraph_edges,
2462         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2463         (verify_cgraph_node): Make visited_nodes local.
2464         (cgraph_analyze_function): Do not call cgraph_create_edges and
2465         initialize_inline_failed.
2466         (cgraph_expand_function): Do not call cgraph_lower_function;
2467         assert that function is already lowered.
2468         * Makefile.in (cgraphbuild.o): New.
2469         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2470         at the end of lowering passes.
2471
2472 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2473
2474         * ifcvt.c (cond_move_convert_if_block): New function, code
2475         factored out from...
2476         (cond_move_process_if_block): ...here.  Call the new function
2477         on the THEN and ELSE blocks.
2478         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2479         already takes care of this.
2480
2481 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2482
2483         PR c/19978
2484         * tree.h (TREE_OVERFLOW_P): New.
2485         * c-typeck.c (parser_build_unary_op): Warn only if result
2486         overflowed and operands did not.
2487         (parser_build_binary_op): Likewise.
2488         (convert_for_assignment): Remove redundant overflow_warning.
2489         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2490
2491 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2492
2493         * c-typeck.c (store_init_value): Split over two lines to follow
2494         the GNU coding style.
2495
2496 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2497
2498         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2499         __GXX_EXPERIMENTAL_CXX0X__.
2500         * doc/cpp.texi: Same.
2501
2502 2007-01-05  Richard Guenther  <rguenther@suse.de>
2503
2504         PR middle-end/27826
2505         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2506         with mismatched types.  Instead explicitly build a
2507         conversion NOP_EXPR.
2508
2509 2007-01-05  Ian Lance Taylor  <iant@google.com>
2510
2511         * c-common.c (decl_with_nonnull_addr_p): New function.
2512         (c_common_truthvalue_conversion): Call it.
2513         * c-typeck.c (build_binary_op): Likewise.
2514         * c-common.h (decl_with_nonnull_addr_p): Declare.
2515
2516 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2517
2518         PR c/30360
2519         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2520         denom against 0.0.
2521
2522 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2523
2524         * doc/install.texi (Final install): Document the fact that
2525         the GNAT runtime should not be stripped.
2526
2527 2007-01-04  Jan Hubicka  <jh@suse.cz>
2528
2529         * tree-inline.c (fold_marked_statements): Update operand caches
2530         and EH after folding
2531
2532 2007-01-04  Ian Lance Taylor  <iant@google.com>
2533
2534         * c-common.c (check_function_nonnull): Whitespace fix.
2535
2536 2007-01-04  Jan Hubicka  <jh@suse.cz>
2537
2538         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2539         comitted older version of patch.
2540         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2541         function, celanup cfg and collect garbage.
2542
2543 2007-01-04  Mike Stump  <mrs@apple.com>
2544
2545         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2546         (clean): Likewise.
2547
2548 2007-01-04  Eric Christopher  <echristo@apple.com>
2549
2550         * libgcc2.c (__bswapsi2): Use SItype.
2551         (__bswapdi2): Use DItype.
2552         * libgcc2.h: Update for above.
2553
2554 2007-01-04  Paul Brook  <paul@codesourcery.com>
2555
2556         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2557         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2558         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2559         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2560         umulsi3_highpart): Make conditional on !arm_arch6.
2561         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2562         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2563         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2564         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2565         umulsi3_highpart_v6): New insns.
2566
2567 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2568
2569         * fold-const.c (fold_convert): When casting an expression to void,
2570         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2571         have a type.  Instead of attempting to build a NOP_EXPR, return
2572         these "special" trees directly.
2573
2574 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2575
2576         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2577         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2578         rs6000_cost->fp not 0 as adjustment for outer NEG.
2579
2580 2007-01-04  Jan Hubicka  <jh@suse.cz>
2581
2582         * cgraph.c (cgraph_release_function_body): New function.
2583         (cgraph_remove_node): Use it.
2584         * cgraph.h (cgraph_release_function_body): Declare.
2585         * cgraphunit.c (cgraph_expand_function): Use it.
2586         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2587         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2588         is initialized and while compilation of other function is running.
2589         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2590         statement CFG annotations from here to ...
2591         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2592
2593 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2594
2595         * cfgloop.h (enum li_flags): Make the constants powers of two.
2596
2597 2007-01-04  Jan Hubicka  <jh@suse.cz>
2598
2599         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2600         set.
2601         (fold_marked_statements): New function.
2602         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2603         * tree-inline.h (copy_body_data): Add statements_to_fold.
2604
2605 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2606
2607         * config.gcc: Mention libgcc/config.host.
2608         * Makefile.in: Update comments mentioning libgcc.
2609         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2610         (all.cross, start.encap, rest.encap, rest.cross): Update
2611         dependencies for libgcc move.
2612         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2613         (clean-target, clean-target-libgcc): Delete.
2614         (srcdirify, GCC_EXTRA_PARTS): New macros.
2615         (libgcc-support, libgcc.mvars): New rules.
2616         (distclean): Remove mention of mklibgcc.
2617         (install): Don't reference INSTALL_LIBGCC.
2618         (install-common): Don't reference EXTRA_PARTS.
2619         (install-libgcc, install-multilib): Delete rules.
2620         * mklibgcc.in: Delete file.
2621         * doc/configfiles.texi: Don't mention mklibgcc.
2622
2623         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2624         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2625         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2626         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2627         (mklibgcc, ldblspecs): Likewise.
2628
2629         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2630         (posixpre.def): Use $(T).
2631         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2632         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2633         (SHLIB_LINK): Make dummy.
2634         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2635
2636         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2637
2638         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2639         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2640         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2641         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2642
2643         * configure.ac (all_outputs): Remove mklibgcc.
2644         * configure: Regenerated.
2645
2646 2007-01-03  Josh Conner  <jconner@apple.com>
2647
2648         PR middle-end/29683
2649         * calls.c (compute_argument_addresses): Set stack and stack_slot
2650         for partial args, too.
2651         (store_one_arg): Use locate.size.constant for the size when
2652         generating a save_area.
2653
2654 2007-01-03  Robert Kennedy <jimbob@google.com>
2655
2656         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2657         whose definitions are deleted due to basic block merging.
2658
2659 2007-01-03  Paul Brook  <paul@codesourcery.com>
2660
2661         PR target/16634
2662         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2663         functions.
2664         (use_return_insn): Return 0 for Thumb interrupt functions.
2665         (print_multi_reg): Add rfe argument for IRQ returns.
2666         (arm_output_epilogue): Pop interrupt return address directly into PC.
2667         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2668
2669 2007-01-03  Paul Brook  <paul@codesourcery.com>
2670
2671         Merge from sourcerygxx-4_1.
2672         * config/arm/thumb2.md: New file.
2673         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2674         Thumb-2.
2675         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2676         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2677         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2678         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2679         tables.
2680         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2681         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2682         comptibility.
2683         * config/arm/ieee754-sf.S: Ditto.
2684         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2685         (thumb1_base_register_rtx_p): ... to this.
2686         (thumb_index_register_rtx_p): Rename...
2687         (thumb1_index_register_rtx_p): ... to this.
2688         (thumb_output_function_prologue): Rename...
2689         (thumb1_output_function_prologue): ... to this.
2690         (thumb_legitimate_address_p): Rename...
2691         (thumb1_legitimate_address_p): ... to this.
2692         (thumb_rtx_costs): Rename...
2693         (thumb1_rtx_costs): ... to this.
2694         (thumb_compute_save_reg_mask): Rename...
2695         (thumb1_compute_save_reg_mask): ... to this.
2696         (thumb_final_prescan_insn): Rename...
2697         (thumb1_final_prescan_insn): ... to this.
2698         (thumb_expand_epilogue): Rename...
2699         (thumb1_expand_epilogue): ... to this.
2700         (arm_unwind_emit_stm): Rename...
2701         (arm_unwind_emit_sequence): ... to this.
2702         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2703         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2704         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2705         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2706         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2707         thumb2_output_casesi): New functions.
2708         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2709         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2710         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2711         THUMB2_WORK_REGS): Define.
2712         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2713         arm_condexec_mask, arm_condexec_masklen)): New variables.
2714         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2715         (arm_override_options): Check new CPU capabilities.
2716         Set new architecture flag variables.
2717         (arm_isr_value): Handle v7m interrupt functions.
2718         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2719         Thumb-2.
2720         (const_ok_for_arm): Handle Thumb-2 constants.
2721         (arm_gen_constant): Ditto.  Use movw when available.
2722         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2723         functions.
2724         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2725         (thumb_find_work_register, arm_load_pic_register,
2726         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2727         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2728         print_multi_reg, output_mov_long_double_fpa_from_arm,
2729         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2730         output_mov_double_fpa_from_arm, output_move_double,
2731         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2732         output_return_instruction, arm_output_function_prologue,
2733         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2734         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2735         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2736         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2737         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2738         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2739         '!' and 'L'.
2740         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2741         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2742         (arm_file_start): Output directive for unified syntax.
2743         (arm_unwind_emit_set): Handle stack alignment instruction.
2744         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2745         Add v6t2, v7, v7a, v7r and v7m.
2746         (RETLDM): Add Thumb-2 code.
2747         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2748         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2749         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2750         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2751         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2752         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2753         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2754         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2755         ADJUST_INSN_LENGTH): Define.
2756         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2757         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2758         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2759         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2760         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2761         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2762         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2763         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2764         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2765         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2766         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2767         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2768         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2769         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2770         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2771         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2772         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2773         cortex-m3.
2774         * config/arm/arm-tune.md: Regenerate.
2775         * config/arm/arm-protos.h: Update prototypes.
2776         * config/arm/vfp.md: Enable patterns for Thumb-2.
2777         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2778         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2779         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2780         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2781         * config/arm/libunwind.S: Add Thumb-2 code.
2782         * config/arm/constraints.md: Update include Thumb-2.
2783         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2784         * config/arm/ieee754-df.S: Ditto.
2785         * config/arm/bpabi.S: Ditto.
2786         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2787         * config/arm/predicates.md (low_register_operand,
2788         low_reg_or_int_operand, thumb_16bit_operator): New.
2789         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2790         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2791         * config/arm/t-arm-elf: Add armv7 multilib.
2792         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2793         Include thumb2.md.
2794         (UNSPEC_STACK_ALIGN, ce_count): New.
2795         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2796         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2797         insns/expanders.
2798         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2799         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2800         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2801         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2802         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2803         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2804         insns.
2805         * doc/extend.texi: Document ARMv7-M interrupt functions.
2806         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2807
2808 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2809
2810         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2811         (struct _Unwind_Context): Rename args_size to flags, remove
2812         signal_frame field, add a new args_size field and version field.
2813         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2814         _Unwind_IsExtendedContext): New inline functions.
2815         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2816         Assume by_value array is only present if _Unwind_IsExtendedContext.
2817         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2818         _Unwind_IsSignalFrame.
2819         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2820         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2821         (uw_init_context_1): Initialize context->flags to
2822         EXTENDED_CONTEXT_BIT.
2823         * config/rs6000/linux-unwind.h (frob_update_context): Use
2824         _Unwind_SetSignalFrame.
2825
2826 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2827
2828         PR middle-end/30353
2829         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2830         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2831         the value.
2832
2833 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2834
2835         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2836         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2837         RET, AT_SP): Remove.
2838         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2839         instead of RET.
2840
2841         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2842         * cfgbuild.c (find_basic_blocks): Likewise.
2843         * cfgrtl.c (rtl_create_basic_block): Likewise.
2844         * function.c (temp_slots_at_level): Likewise.
2845         * reg-stack.c (stack_regs_mentioned): Likewise.
2846         * regclass.c (allocate_reg_info): Likewise.
2847         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2848         set_bb_for_stmt, move_block_to_fn): Likewise.
2849         * tree-complex.c (tree_lower_complex): Likewise.
2850         * vec.h (VEC_safe_grow_cleared): New.
2851
2852         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2853
2854 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2855
2856         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2857         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2858         to loop_version.
2859         * cfgloopmanip.c (scale_loop_frequencies): Export.
2860         (loopify): Scale the frequencies by prescribed coefficients.
2861         (set_zero_probability): New function.
2862         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2863         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2864         and frequencies according to arguments.
2865         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2866         correctly.
2867         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2868         * modulo-sched.c (sms_schedule): Set probabilities for entering
2869         versioned loop correctly.
2870         * tree-vect-transform.c (vect_transform_loop): Ditto.
2871         * cfgloop.h (loopify, loop_version): Declaration changed.
2872         (scale_loop_frequencies): Declared.
2873
2874 2007-01-02  Jan Hubicka  <jh@suse.cz>
2875
2876         * cgraph.c: Include tree-flow.h
2877         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2878         early_local_passes.
2879         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2880         * tree-pass.h (pass_all_early_optimizations): Declare.
2881         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2882         early_local_passes.
2883         (cgraph_analyze_function): Do early_local_passes.
2884         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2885         Do not add referenced vars.
2886         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2887         SSA form.
2888         (gate_all_early_local_passes): New gate.
2889         (pass_early_local_passes): Use new gate.
2890         (execute_early_local_optimizations): New functions.
2891         (gate_all_early_optimizations): New gate.
2892         (pass_all_early_optimizations): New pass.
2893         (execute_free_datastructures): Free SSA only when initialized.
2894         (gate_init_datastructures): Init only when optimizing.
2895         (tree_lowering_passes): Do early local passes when called late.
2896         * tree-profile.c (do_tree_profiling): Don't profile functions added
2897         late.
2898         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2899         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2900         not active.
2901         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2902         during early_local_passes.
2903         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2904
2905
2906 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2907
2908         * Makefile.in: Update copyright year.
2909
2910 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2911
2912         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2913         in $(lang_checks) and check-consistency targets.
2914
2915 2007-01-02  Jan Hubicka  <jh@suse.cz>
2916
2917         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2918         Do not add referenced vars.
2919         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2920         are not active.
2921         * passes.c (init_optimization_passes): Put mudflap_2 after
2922         free_datastructures.
2923
2924 2007-01-02  Jan Hubicka  <jh@suse.cz>
2925
2926         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2927         Set NOTHROW flag on call statements proved to be nothrow.
2928         Update statement of local calls so new pure/const functions are
2929         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2930         goto receivers.
2931         (tree_rest_of_compilation): Register hooks and initialize bitmap
2932         early. Do not set after_inlining flag.
2933
2934 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2935
2936         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2937         HOST_BITS_PER_LONGLONG
2938
2939 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2940
2941         PR c/19977
2942         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2943         warning for non-static initializers.
2944
2945 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2946
2947         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2948         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2949         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2950         Always use set_unique_reg_note to add REG_EQUAL notes.
2951
2952 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2953
2954         Revert:
2955         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2956
2957         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2958         * cfgbuild.c (find_basic_blocks): Likewise.
2959         * cfgrtl.c (rtl_create_basic_block): Likewise.
2960         * function.c (temp_slots_at_level): Likewise.
2961         * reg-stack.c (stack_regs_mentioned): Likewise.
2962         * regclass.c (allocate_reg_info): Likewise.
2963         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2964         set_bb_for_stmt, move_block_to_fn): Likewise.
2965         * tree-complex.c (tree_lower_complex): Likewise.
2966         * vec.h (VEC_safe_grow_cleared): New.
2967
2968 2007-01-02  Ian Lance Taylor  <iant@google.com>
2969
2970         * c-common.c (c_common_truthvalue_conversion): When warning about
2971         using an assignment as a truth value, set TREE_NO_WARNING.
2972
2973 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2974
2975         PR middle-end/7651
2976         * c.opt (Wold-style-declaration): New.
2977         * doc/invoke.texi (C-only Warning Options): New.
2978         (Wold-style-declaration): Document it.
2979         (Wextra): Enabled by -Wextra.
2980         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2981         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2982         -Wold-style-declaration.
2983
2984 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2985
2986         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2987         * cfgbuild.c (find_basic_blocks): Likewise.
2988         * cfgrtl.c (rtl_create_basic_block): Likewise.
2989         * function.c (temp_slots_at_level): Likewise.
2990         * reg-stack.c (stack_regs_mentioned): Likewise.
2991         * regclass.c (allocate_reg_info): Likewise.
2992         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2993         set_bb_for_stmt, move_block_to_fn): Likewise.
2994         * tree-complex.c (tree_lower_complex): Likewise.
2995         * vec.h (VEC_safe_grow_cleared): New.
2996
2997 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2998
2999         * c-common.c(c_common_nodes_and_builtins): Since variants of
3000         void_type_node get built before it is given a name, we need to
3001         give those variants the name, too.
3002         (complete_array_type): We need to work with the canonical main
3003         type of the array, from which we will build the qualified version.
3004         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3005         * print-tree.c (print_node): Display canonical type information
3006         for each type.
3007         * stor-layout.c (layout_type): When we don't know the
3008         alignment of a type for which we're building an array, we end up
3009         guessing wrong, so make the type require structural equality.
3010         * tree.c (make_node_stat): When we build a new type, it is its
3011         own canonical type.
3012         (build_type_attribute_qual_variant): When building an attribute
3013         variant, its canonical type is the non-attribute variant. However,
3014         if the attributes are target-dependent and they differ, we need to
3015         use structural equality checks for this type.
3016         (build_qualified_type): A qualified type is not equivalent to its
3017         unqualified variant; set the canonical type appropriately.
3018         (build_distinct_type_copy): When building a distinct type from
3019         another type, the new type is its own canonical type.
3020         (build_variant_type_copy): When building a new type variant, we
3021         assume that it is equivalent to the original type.
3022         (build_pointer_type_for_mode): When building a pointer type, also
3023         build a canonical type pointer.
3024         (build_reference_type_for_mode): When building a reference type,
3025         also build a canonical type reference.
3026         (build_index_type): When we can't hash an index type (e.g.,
3027         because its maximum value is negative), the index type requires
3028         structural equality tests.
3029         (build_array_type): Build the canonical form of an array type.
3030         (build_function_type): Function types require structural equality,
3031         because they contain default arguments, attributes, etc.
3032         (build_method_type_directly): Ditto for method types.
3033         (build_offset_type): Build the canonical offset type.
3034         (build_complex_type): Build the canonical vector type.
3035         (make_vector_type): Build the canonical vector type.
3036         * tree.h (TYPE_CANONICAL): New.
3037         (TYPE_STRUCTURAL_EQUALITY_P): New.
3038         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3039         (struct tree_type): Added "canonical" field.
3040         * params.h (VERIFY_CANONICAL_TYPES): New.
3041         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3042         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3043         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3044         * doc/invoke.texi (verify-canonical-types): Document --param
3045         parameter for verifying canonical types.
3046
3047 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3048
3049         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3050         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3051         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3052         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3053         tm_file.
3054         * config/rs6000/e500.h: New.
3055         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3056         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3057         Remove.
3058         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3059         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3060         TARGET_E500_DOUBLE): Remove.
3061         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3062         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3063         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3064         * config/rs6000/rs6000.c (rs6000_override_options): Use
3065         CHECK_E500_OPTIONS.
3066
3067 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3068
3069         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3070         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3071         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3072         rs6000_emit_cmove): Don't check TARGET_E500.
3073         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3074         sordered): Don't check TARGET_E500.
3075
3076 2007-01-01  Eric Christopher  <echristo@apple.com>
3077
3078         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3079         HARD_REGISTER_NUM_P.
3080
3081 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3082
3083         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3084         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3085         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3086         eq/ne Y".
3087
3088 2007-01-01  Mike Stump  <mrs@apple.com>
3089
3090         * configure.ac: Remove support for building with Apple's gcc-3.1.
3091
3092 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3093
3094         PR middle-end/30311
3095         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3096         REG is a hard register.  Do not modify REG before calling
3097         subreg_nregs.
3098         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3099         multiple of the size of YMODE for certain lowpart cases.
3100
3101 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3102
3103         PR middle-end/30253
3104         * gimplify (voidify_wrapper_expr): Update for
3105         GIMPLE_MODIFY_STMT.
3106
3107 2007-01-01  Andreas Schwab  <schwab@suse.de>
3108
3109         PR target/29166
3110         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3111         save of BR0 in extra_spill_size instead of spill_size.
3112         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3113         area.
3114         (ia64_expand_epilogue): Restore BR0 from its new location.
3115
3116 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3117
3118         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3119         Use a temporary variable if the left hand side is not a gimple
3120         register.
3121
3122 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3123
3124         * gimplify.c (gimplify_return_expr): Make the temporary variable
3125         for the return expression, a gimple register variable.
3126
3127 2007-01-01  Jan Hubicka  <jh@suse.cz>
3128
3129         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3130         INSN_LIST.
3131
3132 2007-01-01  Mike Stump  <mrs@apple.com>
3133
3134         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3135         .literal16.
3136         * config/darwin.c (machopic_select_rtx_section): Use
3137         HAVE_GAS_LITERAL16.
3138         (darwin_mergeable_constant_section): Likewise.
3139         * configure: Regenerate.
3140         * config.in: Regenerate.
3141
3142 2007-01-01  Jan Hubicka  <jh@suse.cz>
3143             Andrew Pinski  <pinskia@gmail.com>
3144
3145         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3146         before starting IPA passes.