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* doc/md.texi (Standard Pattern Names): Document blockage pattern.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
2
3         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
4
5 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6
7         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8         (tree_unswitch_single_loop): Pass eni_size_weights to
9         tree_num_loop_insns.
10         * tree-ssa-loop-manip.c: Include tree-inline.h.
11         (can_unroll_loop_p): Pass eni_size_weights to
12         tree_num_loop_insns.
13         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
14         Pass eni_size_weights to estimate_num_insns.
15         * tree.h (init_inline_once): Export.
16         * toplev.c (backend_init): Call init_inline_once.
17         * cgraphunit.c (cgraph_process_new_functions,
18         cgraph_analyze_function): Pass eni_inlining_weights to
19         estimate_num_insns.
20         * ipa-inline.c (compute_inline_parameters): Ditto.
21         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
22         to estimate_num_insns.
23         (try_unroll_loop_completely): Pass eni_size_weights to
24         tree_num_loop_insns.
25         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
26         ot estimate_num_insns.
27         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
28         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
29         * tree-inline.c (eni_inlining_weights, eni_size_weights,
30         eni_time_weights): New variables.
31         (init_inline_once): Initialize them.
32         (struct eni_data): Mew.
33         (estimate_num_insns_1, estimate_num_insns): Use weights.
34         * tree-inline.h (struct eni_weights_d): New.
35         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
36         (estimate_num_insns): Declaration changed.
37         * cfgloop.h (tree_num_loop_insns): Declaration changed.
38         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
39         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
40
41 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
42
43         * tree-data-ref.c (conflict_fn): Assert that the number of affine
44         relations in the conflict function is valid.
45
46 2007-01-27  Ian Lance Taylor  <iant@google.com>
47
48         * common.opt: Add fstrict-overflow.
49         * opts.c (decode_options): Set flag_strict_overflow if -O2.
50         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
51         (TYPE_OVERFLOW_UNDEFINED): Define.
52         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
53         Replace all uses.
54         * tree.h (TYPE_TRAP_SIGNED): Don't define.
55         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
56         (fold_negate_expr): Likewise.
57         (make_range): Likewise.
58         (extract_muldiv_1): Likewise.
59         (maybe_canonicalize_comparison): Likewise.
60         (fold_comparison): Likewise.
61         (fold_binary): Likewise.
62         (tree_expr_nonnegative_p): Likewise.
63         (tree_expr_nonzero_p): Likewise.
64         * tree-vrp.c (compare_values): Likewise.
65         (extract_range_from_binary_expr): Likewise.
66         (extract_range_from_unary_expr): Likewise.
67         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
68         Likewise.
69         (nowrap_type_p): Likewise.
70         * tree-scalar-evolution.c (simple_iv): Likewise.
71         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
72         (build_range_check): Likewise.
73         (extract_muldiv_1): Likewise.
74         (fold_comparison): Likewise.
75         * tree-vrp.c (vrp_int_const_binop): Likewise.
76         (extract_range_from_unary_expr): Likewise.
77         * convert.c (convert_to_integer): Likewise.
78         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
79         (fold_comparison): Likewise.
80         (fold_binary): Likewise.
81         * optabs.c (optab_for_tree_code): Likewise.
82         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
83         * simplify-rtx.c (simplify_const_relational_operation): Check
84         flag_strict_overflow and flag_trapv.
85         (simplify_const_relational_operation): Likewise.
86         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
87         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
88         -fstrict-overflow.
89
90 2007-01-27  Roger Sayle  <roger@eyesopen.com>
91
92         * tree.c (tree_fold_gcd): Delete.
93         * tree.h (tree_fold_gcd): Remove prototype.
94         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
95         test whether one constant integer is a multiple of another.  Instead
96         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
97         * fold-const.c (multiple_of_p):  We've determined both TOP and
98         BOTTOM are integer constants so we can call int_const_binop directly
99         instead of the more generic const_binop.
100
101 2007-01-27  Roger Sayle  <roger@eyesopen.com>
102
103         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
104         1*X check that the constant hasn't overflowed, to preserve the
105         TREE_OVERFLOW bit.
106         (round_up): Provide an efficient implementation when rouding-up an
107         INTEGER_CST to a power-of-two.
108
109 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
110
111         * doc/sourcebuild.texi: Add comma for clarity.
112         * doc/extend.texi: Fix some typos.
113         * doc/passes.texi: Likewise.
114         * doc/cppinternals.texi: Likewise.
115         * doc/c-tree.texi: Likewise.
116         * doc/tree-ssa.texi: Likewise.
117         * doc/install.texi: Likewise.
118
119 2007-01-27  Jan Hubicka  <jh@suse.cz>
120
121         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
122         (pass_sra): Do not require alias information.
123         * passes.c (init_optimization_passes): Add SRA
124
125 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
126
127         * tracer.c (rest_of_handle_tracer): We already cleaned
128         up the CFG in tracer() so don't do it here again.
129         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
130         cleanup_cfg here, either.  And don't call renumber_insns.
131
132         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
133         and BB_HEAD are in the insn stream here.  Instead make sure
134         that BB_INSN is valid on all insns.  Also, do check here that
135         there are no pending branch predictions...
136         (rtl_verify_flow_info): ...instead of doing it here.  Checks
137         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
138         here.
139
140 2007-01-26  Roger Sayle  <roger@eyesopen.com>
141
142         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
143         function to simplify/factorize operand order canonicalization.
144         (ix86_fixup_binary_operands): Reorganize using the above function.
145         (ix86_binary_operator_ok): Likewise.
146
147 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
148
149         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
150         file scope from optimize_attrs.
151         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
152         up search.
153         (optimize_attrs): Clear insn_code_values after freeing it.
154
155 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
156
157         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
158         a parts.base assignment.
159
160 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
161
162         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
163         (compute_subscript_distance, initialize_data_dependence_relation,
164         finalize_ddr_dependent, analyze_ziv_subscript,
165         analyze_siv_subscript_cst_affine,
166         compute_overlap_steps_for_affine_univar,
167         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
168         analyze_siv_subscript, analyze_miv_subscript,
169         analyze_overlapping_iterations, subscript_dependence_tester_1,
170         compute_self_dependence, free_dependence_relation): Work
171         with affine_fn instead of chrecs.
172         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
173         common_affine_function, affine_function_base,
174         affine_function_constant_p, affine_fn_op, affine_fn_plus,
175         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
176         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
177         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
178         (all_chrecs_equal_p): Removed.
179         * tree-data-ref.h (affine_fn, conflict_function): New types.
180         (struct subscript): Change type of conflicting_iterations_in_a
181         and conflicting_iterations_in_b.
182
183 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
184
185         PR other/30182
186         * config/pa/pa.h (TARGET_HPUX_11): New.
187         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
188         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
189
190 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
191         Richard Guenther  <rguenther@suse.de>
192
193         * tree-ssa-structalias.c (solve_graph): Handle case
194         we merged the variable to another.
195
196 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
197
198         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
199         functions.
200
201         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
202         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
203
204 2007-01-25  DJ Delorie  <dj@redhat.com>
205
206         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
207         allow changes to modes which don't fit in those registers.
208
209         * reload1.c (choose_reload_regs): Check for invalid subregs before
210         computing their locations, not after.
211
212 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
213
214         PR 25127
215         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
216         save Altivec registers in an eh_return function.
217         (compute_vrsave_mask): Likewise.
218         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
219         for saving Altivec registers.
220         (rs6000_emit_prologue): Don't allocate stack twice in
221         eh_return function.  Correct expected value of altivec_save_offset
222         when using save_world.  Describe save of R0 to stack when using
223         save_world.  Describe stack pointer adjustment when using
224         save_world.  Remove duplicated eh_return parameter register saving.
225         Update sp_offset variable after save_world.
226         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
227         darwin-world.asm.
228         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
229         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
230         implies Altivec.
231
232 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
233
234         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
235
236 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
237
238         PR other/30182
239         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
240         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
241
242 2007-01-25  Richard Guenther  <rguenther@suse.de>
243
244         * doc/invoke.texi (-Wcoverage-mismatch): Document.
245         * common.opt (-Wcoverage-mismatch): New warning option.
246         * coverage.c (get_coverage_counts): Ignore coverage mismatch
247         if -Wcoverage-mismatch is given.
248
249 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
250
251         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. 
252         (ipcp_driver): Change to static definition. 
253         Add dumping of the ifunctions.
254         (constant_val_insert): Remove unused parameter. Support for SSA.
255         (ipcp_propagate_const): Support for SSA.
256         (ipcp_profile_bb_print): Print only analyzed nodes.
257         (ipcp_replace_map_create): Remove support for Fortran constant 
258         for now.
259         * ipa-prop.c (ipa_method_modify_stmt, 
260         ipa_callsite_compute_param): Support for SSA.
261         * ipa-prop.h (ipcp_driver): Remove declaration.
262         (IS_VALID_TREE_MAP_INDEX): Add define.
263
264 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
265
266         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
267
268 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
269
270         PR middle-end/30447
271         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
272         constant argument to cabs and do it without checking for
273         -funsafe-math-optimizations.
274
275 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
276
277         * c-common.h (RID_FIRST_CXX0X): New.
278         (RID_LAST_CXX0X): New.
279         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
280         by -Wall.
281         * c.opt (Wc++0x-compat): New.
282         * doc/invoke.texi (-Wc++0x-compat): Document.
283
284 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
285
286         * builtins.c (fold_builtin_carg): New.
287         (fold_builtin_1): Use it.
288
289 2007-01-24  Jan Hubicka  <jh@suse.cz>
290
291         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
292
293         * ipa-inline.c (initial_insns, max_insns): Delete.
294         (compute_max_insns): New function.
295         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
296         of insns as base for code growth.
297         (cgraph_decide_inlining): Make initial_insns local; do not compute
298         max_insns.
299         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
300         * doc/invoke.texi (inline-unit-growth): Update docs.
301
302 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
303
304         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
305         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
306         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
307         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
308         for CPUs that have PTA_CX16 set.
309
310         PR middle-end/27416
311         * gimplify.c (omp_check_private): New function.
312         (gimplify_scan_omp_clauses): Use it for
313         firstprivate/lastprivate/reduction.
314
315         PR middle-end/30494
316         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
317         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
318
319         PR middle-end/30421
320         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
321         If lower_lastprivate_clauses emits some statements, append them
322         to dlist rather than body_p and to body_p append an initializer.
323         (lower_omp_for): Adjust caller.
324
325 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
326
327         * target.h (globalize_decl_name): New.
328         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
329         * output.h (default_globalize_decl_name): New.
330         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
331         globalize_label.
332         (globalize_decl): Ditto.
333         (default_globalize_decl_name): New.
334         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
335         (ia64_handle_version_id_attribute): New.
336         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
337         (ia64_asm_output_external): Use globalize_decl_name instead
338         of globalize_label.
339         * doc/extend.texi (version_id): New pragma.
340         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
341
342 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
343
344         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with 
345         _uleb128_t and _Unwind_SWord with _sleb128_t.
346         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
347         uw_frame_state_for, uw_update_context_1): Likewise.
348         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
349         * unwind-pe.h (read_uleb128, read_sleb128,
350         read_encoded_value_with_base): Likewise.
351         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
352
353 2007-01-24  Richard Guenther  <rguenther@suse.de>
354
355         * builtins.c (expand_builtin_cexpi): Get the fndecl
356         for cexp in the correct way.
357
358 2007-01-24  Jan Hubicka  <jh@suse.cz>
359
360         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
361
362 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
363
364         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
365         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
366         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
367         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
368         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
369         __SIZEOF_PTRDIFF_T__.
370         * doc/cpp.texi: Documentation for the new builtin macros added.
371
372 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
373
374         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
375         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
376         instead of operands[2] to avoid access past the end of array.
377
378 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
379
380         * reload1.c (emit_reload_insns): Pass the reload register
381         for a non-spill output reload through forget_old_reloads_1.
382
383 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
384
385         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
386         _SOFT_DOUBLE if doubles use software floating-point.
387         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
388         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
389         * config/rs6000/darwin-ldouble.c: Also compile functions for
390         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
391         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
392         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
393         commented-out long double override.
394         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
395         * config/rs6000/eabispe.h: Likewise.
396         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
397         long double for non-SPE.
398         (rs6000_handle_option): Likewise.
399         (invalid_e500_subreg): Disallow more subregs involding DImode,
400         DFmode, TImode or TFmode.
401         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
402         E500 double.
403         (legitimate_lo_sum_address_p): Also check for TFmode for E500
404         double.
405         (rs6000_legitimize_address): Also handle TFmode for E500 double.
406         (rs6000_legitimize_reload_address): Also handle TFmode for E500
407         double.
408         (rs6000_legitimate_address): Also check for TFmode for E500
409         double.
410         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
411         (spe_build_register_parallel): Handle TFmode and TCmode.
412         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
413         double.
414         (function_arg): Handle TFmode and TCmode for E500 double.
415         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
416         in general.
417         (print_operand): Handle TFmode and TImode for %y.
418         (rs6000_generate_compare): Handle TFmode comparisons for E500
419         double.
420         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
421         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
422         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
423         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
424         TFmode for E500 double.
425         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
426         (floatsidf2): Enable for E500 double.
427         (movtf_softfloat): Use rs6000_nonimmediate_operand.
428         (extenddftf2): Change to extenddftf2_fprs.
429         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
430         depending on TARGET_E500_DOUBLE.
431         (extendsftf2): Enable for E500 double.
432         (trunctfdf2): Enable for E500 double.
433         (trunctfsf2): Change to trunctfsf2_fprs.
434         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
435         depending on TARGET_E500_DOUBLE.
436         (floatsitf2): Enable for E500 double.
437         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
438         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
439         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
440         (negtf2): Change to negtf2_internal.
441         (negtf2): New expander.
442         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
443         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
444         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
445         (movdi_internal32): Use rs6000_nonimmediate_operand.
446         (unnamed splitter): Likewise.
447         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
448         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
449         (SPE64TF, DITI): New mode macros.
450         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
451         modes.
452         (frob_tf_ti): New.
453         (frob_<mode>_di_2): New.
454         (frob_tf_di_8_2): New.
455         (frob_di_df): Change to frob_di_<mode>; allow more modes.
456         (frob_ti_tf): New.
457         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
458         more modes.
459         (frob_ti_<mode>_8_2): New.
460         (frob_ti_tf_2): New.
461         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
462         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
463         TFmode.
464         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
465         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
466         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
467         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
468         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
469         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
470         tsttflt_gp): New.
471
472 2007-01-23  Ian Lance Taylor  <iant@google.com>
473
474         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
475         insn-*.o first.
476         (OBJS-archive): Reformat, alphabetize.
477         (OBJS): Change out_object_file to OBJS-md.
478
479 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
480
481         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
482         JUMP_P and CALL_P predicates where applicable.
483         * config/i386/i386.c: Ditto.
484         * config/i386/i386.md: Ditto.
485         * config/i386/mmx.md: Ditto.
486         * config/i386/predicates.md: Ditto.
487
488 2007-01-22  Andreas Schwab  <schwab@suse.de>
489
490         * config/m68k/m68k.h: Fix comment.
491
492 2007-01-22  Jan Hubicka  <jh@suse.cz>
493
494         * passes.c (init_optimization_passes): Do not rerun
495         pass_early_warn_uninitialized.
496
497 2007-01-22  Richard Guenther  <rguenther@suse.de>
498
499         PR tree-optimization/30038
500         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
501         function.
502         (execute_cse_sincos_1): Likewise.
503         (execute_cse_sincos): Likewise.
504         (gate_cse_sincos): Likewise.
505         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
506         the cexpi() canonicalization of sincos().
507         * tree-pass.h (pass_cse_sincos): Declare.
508         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
509
510 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
511
512         PR rtl-optimization/29329
513         * combine.c (replaced_rhs_insn): Rename to i2mod.
514         (replaced_rhs_value): Rename to i2mod_new_rhs.
515         (i2mod_old_rhs): New global variable.
516         (combine_instructions): Adjust for above change.  Save a copy of
517         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
518         note are substituted in the second instruction.
519         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
520         ditch the note if it pertains to the second eliminated register
521         and this register is mentioned in i2mod_old_rhs.
522
523         Revert:
524         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
525
526         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
527         the insn to which the note was originally attached.
528
529 2007-01-21  Jan Hubicka  <jh@suse.cz>
530
531         * ipa-inline.c (inlining_mode): Comment, move up.
532         (cgraph_decide_inlining_incrementally): Do not perform inlining
533         itself; fix handling of flattening of self recursive functions.
534         (cgraph_find_cycles): Remove.
535         (cgraph_flatten_node): Remove.
536         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
537         (try_inline): New function.
538         (cgraph_early_inlining): Update call of
539         cgraph_decide_inlining_incrementally.  Apply inlining here.
540         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
541
542 2007-01-21  Dirk Mueller  <dmueller@suse.de>
543
544         PR bootstrap/30511
545         * tree-vrp.c (check_array_bounds): do not warn
546         about ADDR_EXPR's of ARRAY_REF's which are immediately
547         used in binary expressions.
548
549 2007-01-21  Ira Rosen  <irar@il.ibm.com>
550
551         * tree-vectorizer.h (struct _stmt_vec_info): Add new field 
552         read_write_dep and macros for its access.
553         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
554         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove 
555         argument, call vect_check_interleaving for every independent pair of
556         data-refs. Mark loads that access the same memory location as a store
557         in the loop.
558         (vect_check_dependences): Remove.
559         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences 
560         call, fix the call to vect_analyze_data_ref_dependence.
561         (vect_analyze_data_ref_access): For statements that access the same 
562         data-ref, check that they are not stores; for loads, check that there
563         is no store that access the same location.
564
565 2007-01-20  Roger Sayle  <roger@eyesopen.com>
566             Joseph Myers  <joseph@codesourcery.com>
567
568         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
569         (-fdump-rtl-stack): Likewise.
570         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
571         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
572         (-mpt-fixed): Use @minus{} for minus sign.
573         (Using Precompiled Headers): Fix under/overfull hbox.
574
575 2007-01-20  Jan Hubicka  <jh@suse.cz>
576
577         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
578         place within annotation.
579
580 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
581
582         * pa.c (output_move_double): Change array size of xoperands to 4.
583
584 2007-01-20  Jan Hubicka  <jh@suse.cz>
585
586         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
587         as temporary.
588
589 2007-01-19  Ian Lance Taylor  <iant@google.com>
590
591         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
592         constant to unsigned HOST_WIDE_INT before negating.
593
594 2007-01-19  Ian Lance Taylor  <iant@google.com>
595
596         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
597         to unsigned.
598         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
599         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
600         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
601         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
602         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
603         (realloc_vdef, realloc_vuse): Change second parameter to
604         unsigned.
605         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
606         fields to unsigned.
607         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
608         unsigned. Change x and lim locals to unsigned.
609         (realloc_vdef, realloc_vuse): Change num_elem parameter to
610         unsigned.
611         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
612         (copy_virtual_operands): Change i and n locals to unsigned.
613
614 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
615
616         PR middle-end/29335
617         * builtins.c (fold_builtin_1): Handle builtin fdim.
618
619 2007-01-20  Jan Hubicka  <jh@suse.cz>
620
621         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
622         * tree-ssa-structalias.c (compute_points_to_sets): Do call
623         init_alias_heapvars.
624         (init_alias_heapvars): Initialize only when not already initialized.
625         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
626
627 2007-01-19  Roger Sayle  <roger@eyesopen.com>
628
629         * common.opt (fsigned-zeros): New command line option.
630         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
631         of flag_unsafe_math_optimizations.
632         * opts.c (set_fast_math_flags): The -ffast-math command line option
633         implies -fno-signed-zeros.
634         (fast_math_flags_set_p): Likewise.
635
636         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
637         the documentation of -ffast-math appropriately.  Wrap long lines.
638
639 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
640
641         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
642         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
643
644 2007-01-19  Tomas Bily  <tbily@suse.cz>
645
646         * cgraphunit.c (cgraph_finalize_function): Updating of pid
647         * tree-profile.c:
648         (tree_init_ic_make_global_vars): New function
649         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
650         (tree_gen_ic_profiler): New function
651         (tree_gen_ic_func_profiler): New function
652         (tree_profiling): Added calling of tree_gen_ic_func_profiler
653         (tree_profile_hooks): Added hook for indirec/virtual calls
654         * value-prof.c (tree_find_values_to_profile): New case for
655         indirect calls
656         (tree_values_to_profile): Call for determining indirect/virtual
657         counters
658         (tree_indirect_call_to_profile): New function
659         (tree_ic_transform): New function
660         (tree_ic): New function
661         (find_func_by_pid): New function
662         (init_pid_map): New function
663         (tree_value_profile_transformations): Added check for
664         indirect/virtual call transformation
665         * value-prof.h (enum hist_type): New counter type for
666         indirect/virtual calls
667         (profile_hooks): Added new hook for profiling indirect/virtual
668         calls
669         * profile.c (instrument_values): New case for indirect/virtual
670         call added
671         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
672         (GCOV_COUNTER_V_INDIR): New counter type
673         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
674         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
675         call added
676         * cgraph.c: Definition of cgraph_max_pid
677         (cgraph_create_node): Default init of pid attribute
678         * cgraph.h: Declaration of cgraph_max_pid
679         (struct cgraph_node): Added pid attribute
680         * libgcov.c (__gcov_indirect_call_profiler): New function
681         (__gcov_one_value_profiler_body): New function
682         (__gcov_one_value_profiler): Body was moved to
683         __gcov_one_value_profiler_body and calls it
684
685 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
686         
687         * doc/gty.texi (Options): Document the mark_hook option to GTY.
688         * gengtype.c (write_types_data, write_func_for_structure,
689         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
690         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
691         (walk_type, write_func_for_structure): Generate the mark_hook if
692         needed.
693
694 2007-01-19  Jan Hubicka  <jh@suse.cz>
695
696         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
697         'early' argument take inlining mode argument specifying whether to
698         inline for size/speeed or all functions; add support for flattening;
699         improve dumpting.
700         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
701
702 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
703
704         PR c++/17947
705         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
706         the name of the declared identifier.
707                 
708 2007-01-19  Dirk Mueller  <dmueller@suse.de>
709
710         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
711         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
712         duplicate evaluation.
713
714 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
715
716         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
717         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
718         to XFMode, use acosxf2 and truncate result to requested mode.
719         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
720         (asin<mode>2): Similarly, with asin expanders.
721         (*fscalexf4_i387): Rename from *fscalexf4.
722         (expNcorexf3): New expander.
723         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
724         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
725         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
726         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
727         patterns for SSE math.
728         (exp10<mode>2): Similarly, with exp10 expanders.
729         (exp2<mode>2): Similarly, with exp2 expanders.
730         (expm1<mode>2): Similarly, with expm1 expanders.
731         (ldexp<mode>3): Similarly, with ldexp expanders.
732         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
733         Use gen_truncxf<mode>2_i387_noop to truncate result.
734
735 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
736
737         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
738         for ColdFire targets.
739
740 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
741             Richard Sandiford  <richard@codesourcery.com>
742
743         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
744         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
745         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
746         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
747         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
748         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
749
750 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
751
752         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
753         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
754         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
755         (*adddi_dilshr32_cf): New pattern.
756         (adddi3, subdi3): Remove first alternatives.
757
758 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
759
760         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
761         implemented using move.l, do not use its cc result for floating-point
762         comparisons.
763
764 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
765
766         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
767         from accepting 's' constraints if flag_pic.
768
769 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
770
771         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
772         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
773         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
774         condition from TARGET_68881 to TARGET_HARD_FLOAT.
775
776 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
777
778         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
779         ColdFire alternatives.
780         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
781         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
782         architectures that support ff1 instruction.
783
784 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
785             Julian Brown  <julian@codesourcery.com>
786
787         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
788         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
789         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
790         Add commentary.
791
792 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
793
794         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
795         and return a bool.
796         (output_move_const_into_data_reg, output_move_simode_const): Delete.
797         * config/m68k/m68k.c (const_method, const_int_cost): Take a
798         HOST_WIDE_INT instead of an rtx.
799         (m68k_rtx_costs): Update call accordingly.
800         (output_move_const_into_data_reg): Likewise.  Fix formatting.
801         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
802         Return a bool.
803         (output_move_simode_const): Update calls after above changes.
804         Rework to use automatic variables and predicates like MEM_P.
805         * config/m68k/m68k.md (pushexthisi_const): Update call to
806         valid_mov3q_const.
807
808 2007-01-19  Dirk Mueller  <dmueller@suse.de>
809
810         * tree-ssa-alias.c (perform_var_substitution): Fix typo
811         in dump_flags test.
812
813 2007-01-19  Richard Guenther  <rguenther@suse.de>
814
815         * builtins.c (expand_builtin_cexpi): Fall back to expanding
816         via cexp in case sincos is not available.
817
818 2007-01-19  Richard Guenther  <rguenther@suse.de>
819
820         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
821         * defaults.h (TARGET_HAS_SINCOS): Default to off.
822         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
823         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
824         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
825         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
826         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
827         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
828
829 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
830
831         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
832         New insn patterns.
833         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
834         (atan2xf3): Directly generate RTL pattern.
835         (atan2<mode>3): Rename from atan2sf3 and atan2df3 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         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
840         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
841         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
842         disable patterns for SSE math.
843
844 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
845
846         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
847
848 2007-01-18  Roger Sayle  <roger@eyesopen.com>
849
850         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
851         VIEW_CONVERT_EXPR to the same type as it's operand.
852
853 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
854
855         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
856         configured for long double 128.
857
858 2007-01-18  Mike Stump  <mrs@apple.com>
859
860         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
861         error.
862
863 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
864
865         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
866         type correct.
867
868 2007-01-18  Jan Hubicka  <jh@suse.cz>
869
870         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
871         greater than NUM_VOP_FREE_BUCKETS.
872
873 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
874
875         * tree-ssa-structalias.c: Update comments.
876         (ptabitmap_obstack): Removed.
877         (pta_obstack): New.
878         (oldpta_obstack): Ditto.
879         (stats): Add a few members.
880         (struct variable_info): Remove node, complex, address_taken, and
881         indirect_target members. Add oldsolution member.
882         (new_var_info): Do not initialize removed members.
883         (constraint_expr_type): Remove INCLUDES.
884         (constraint_graph): Add size, implicit_preds, rep,
885         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
886         (FIRST_REF_NODE): New macro.
887         (LAST_REF_NODE): Ditto.
888         (FIRST_ADDR_NODE): Ditto.
889         (find): New function.
890         (unite): Ditto.
891         (dump_constraint): Do not handle INCLUDES.
892         (insert_into_complex): Do not insert duplicate constraints.
893         (condense_varmap_nodes): Renamed and rewritten into ...
894         (merge_node_constraints): This. Also fix bug in handling of
895         offseted copy constraints.
896         (clear_edges_for_node): No longer need to deal with preds at all,
897         or removing associated preds/succs. 
898         (merge_graph_nodes): Deal with indirect_cycles.
899         Don't deal with predecessors.
900         (add_implicit_graph_edge): New function.
901         (add_pred_graph_edge): Ditto.
902         (add_graph_edge): Don't deal with predecessors.
903         (build_constraint_graph): Removed.
904         (build_pred_graph): New function.
905         (build_succ_graph): Ditto.
906         (struct scc_info): Removed in_component. Added roots, dfs, and
907         node_mapping. Remove visited_index, unification_queue.
908         (scc_visit): Deal with union-find we do now.
909         Deal with cycles with REF nodes.
910         (collapse_nodes): Renamed and rewritten to ...
911         (unify_nodes): This.
912         (process_unification_queue): Removed.
913         (topo_visit): Cleanup
914         (do_da_constraint): Use find.
915         (do_sd_constraint): Ditto.
916         (do_ds_constraint): Ditto.
917         (do_complex_constraint): Ditto.
918         (init_scc_info): Update for removed and added members.
919         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
920         (find_indirect_cycles): This.
921         (equivalence_class): New variable.
922         (label_visit): New function.
923         (perform_variable_substitution): Rewritten.
924         (free_var_substitution_info): New function.
925         (find_equivalent_node): Ditto.
926         (move_complex_constraints): Ditto.
927         (eliminate_indirect_cycles): Ditto.
928         (solve_graph): Only propagate changed bits.
929         Use indirect cycle elimination.
930         Use find.
931         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
932         (tree_id_eq): Renamed to ...
933         (tree_vi_eq): This. Update for member change
934         (insert_id_for_tree): Renamed and rewritten to ...
935         (insert_vi_for_tree): This.
936         (lookup_id_for_tree): Renamed and rewritten to ...
937         (lookup_vi_for_tree): This.
938         (get_id_for_tree): Renamed and rewritten to ...
939         (get_vi_for_tree): Ditto.
940         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
941         (process_constraint): Don't handle INCLUDES.
942         Remove special ADDRESSOF case.
943         (find_func_aliases): Rewrite to use vi functions instead of id
944         ones.
945         (create_function_info_for): Ditto.
946         (create_variable_info_for): Ditto.
947         (intra_create_variable_infos): Ditto.
948         (merge_smts_into): Ditto.
949         (find_what_p_points_to): Ditto.
950         (init_base_vars): Ditto.
951         (init_alias_vars): Ditto.
952         (remove_preds_and_fake_succs): New function.
953         (dump_sa_points_to_info): Dump new stats.
954         (dump_solution_for_var): Use find.
955         (set_used_smts): Fix formatting.
956         (compute_points_to_sets): Updated for new functions.
957         (ipa_pta_execute): Ditto.
958
959 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
960             Richard Sandiford  <richard@codesourcery.com>
961
962         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
963         parallels.
964         * calls.c (expand_call): If the return value is a PARALLEL,
965         extract its first member.
966         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
967         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
968         use FUNCTION_EXTRA_EPILOGUE.
969         (m68k_function_value): Return a PARALLEL if the return value
970         is of a pointer type.
971         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
972         (FUNCTION_EXTRA_EPILOGUE): Remove.
973         * config/m68k/m68k.md (D0_REG): New constant.
974
975 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
976
977         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
978         output a NOP for empty epilogues.
979
980 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
981
982         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
983         before function.  Extend register save check to include all
984         registers, not just integer ones.
985
986 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
987
988         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
989         (m68k_use_return_insn): ...this.
990         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
991         * config/m68k/m68k.c (use_return_insn): Rename to...
992         (m68k_use_return_insn): ...this.
993         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
994         of USE_RETURN_INSN.
995
996 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
997
998         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
999         nearest even, fix denormal rounding overflow.
1000
1001 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1002
1003         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1004         f%$smove and f%$move.
1005         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1006         (extendsfdf2_cf): Use fdmove instead of f%&move.
1007         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1008         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1009
1010 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1011
1012         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1013         GPR<-GPR moves.
1014
1015 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1016
1017         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1018         (coldfire_single_format): Declare.
1019         (coldfire_double_format): Likewise.
1020         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1021         of qnan_msb_set to determine the lower bits of a canonical
1022         NaN significand.
1023         (encode_ieee_double): Likewise.
1024         (encode_ieee_quad): Likewise.
1025         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1026         (mips_single_format): Likewise.
1027         (ieee_double_format): Likewise.
1028         (mips_double_format): Likewise.
1029         (ieee_extended_motorola_format): Likewise.
1030         (ieee_extended_intel_96_format): Likewise.
1031         (ieee_extended_intel_128_format): Likewise.
1032         (ieee_extended_intel_96_round_53_format): Likewise.
1033         (ibm_extended_format): Likewise.
1034         (mips_extended_format): Likewise.
1035         (ieee_quad_format): Likewise.
1036         (mips_quad_format): Likewise.
1037         (vax_f_format): Likewise.
1038         (vax_d_format): Likewise.
1039         (vax_g_format): Likewise.
1040         (i370_single_format): Likewise.
1041         (i370_double_format): Likewise.
1042         (decimal_single_format): Likewise.
1043         (decimal_double_format): Likewise.
1044         (decimal_quad_format): Likewise.
1045         (c4x_single_format): Likewise.
1046         (c4x_extended_format): Likewise.
1047         (real_internal_format): Likewise.
1048         (coldfire_single_format): New real_format.
1049         (coldfire_double_format): Likewise.
1050         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1051         canonical_nan_lsbs_set.
1052         (pdp11_d_format): Likewise.
1053         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1054         if TARGET_COLDFIRE_CPU.
1055
1056 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1057
1058         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1059         (output_call, m68k_legitimize_call_address): Declare.
1060         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1061         parenthesees.  Add support for a 'W' constraint.
1062         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1063         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1064         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1065         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1066         variables.
1067         (override_options): Initialize them.  Do not set flag_no_function_cse
1068         for TARGET_ID_SHARED_LIBRARY.
1069         (m68k_output_pic_call): Delete.
1070         (m68k_legitimize_call_address): New function.
1071         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1072         (output_call): New function.
1073         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1074         target address from the GOT if symbolic jumps are not allowed.
1075         * config/m68k/m68k.md (call, general_operand): Do not set
1076         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1077         Merge separate flag_pic and !flag_pic define_insns into...
1078         (*call, *call_value): ...these new patterns.  Match the address
1079         rather than the containing MEM and require it to be a call_operand.
1080         Use output_call to generate the asm template.
1081         * config/m68k/predicates.md (const_call_operand): New predicate.
1082         (call_operand): Likewise.
1083
1084 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1085
1086         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1087         (STACK_GROWS_DOWNWARD): Define to 1.
1088         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1089         comments, emphasizing that these values are only defaults.
1090         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1091         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1092
1093 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1094
1095         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1096
1097 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1098             Richard Sandiford  <richard@codesourcery.com>
1099
1100         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1101         (FP_REGNO_P): New macros.
1102         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1103         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1104         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1105         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1106
1107 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1108
1109         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1110         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1111         to $tmake_file.
1112         * config/m68k/t-floatlib: New file, extracting common code from...
1113         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1114         * config/m68k/t-uclinux: Here.
1115         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1116         routines on ColdFire targets.
1117
1118 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1119
1120         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1121         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1122         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1123         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1124         explicitly set MOTOROLA to 1.
1125         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1126
1127 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1128             Nathan Sidwell  <nathan@codesourcery.com>
1129
1130         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1131         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1132         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1133         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1134         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1135         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1136         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1137         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1138         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1139         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1140         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1141         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1142         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1143         (DBX_REGISTER_NUMBER): Delete.
1144         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1145         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1146         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1147
1148 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1149
1150         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1151         * config/flat.h: New file.
1152         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1153         OBJECT_FORMAT_FLAT.
1154         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1155         indirect references for -msep-data or -mid-shared-library.
1156         Do not use PC-relative code addresses either.
1157         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1158         to -mpcrel.
1159         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1160         for shared libraries and crt1.o for executables.  Use crti.o and
1161         crtbegin.o.
1162         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1163         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1164         Do not add -elf2flt or -shared-lib-id options here.
1165         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1166         Pass -shared-lib-id if -mid-shared-library, taking the library
1167         identifier from -mshared-library-id if given, otherwise
1168         defaulting to 0.
1169         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1170         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1171         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1172         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1173         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1174         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1175         and crtend.o.
1176         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1177         jump sequence for ISA A and ISA A+.
1178         (PICJUMP): Likewise.
1179
1180 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1181
1182         * config.gcc (m68k-*-uclinux*): Base the port on the common
1183         and m68k GNU/Linux files rather than on the generic ELF ones.
1184         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1185         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1186
1187 2007-01-18  Julian Brown  <julian@codesourcery.com>
1188             Richard Sandiford  <richard@codesourcery.com>
1189
1190         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1191         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1192         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1193         before redefining.
1194         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1195         80 unconditionally.
1196         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1197
1198 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1199
1200         * doc/install.texi: Document m68k-uclinuxoldabi.
1201         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1202         * config/m68k/uclinux-oldabi.h: New file, copied from
1203         config/m68k/uclinux.h.
1204
1205 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1206
1207         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1208         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1209         (m32r_compute_frame_size): Use unsigned for regno.
1210         (m32r_reload_lr): Use gen_frame_mem.
1211         (pop): New.
1212         (m32r_output_function_epilogue): Don't output the function epilogue
1213         textually here.
1214         (m32r_expand_epilogue): New.
1215         (direct_return): Return false if the function has the interrupt
1216         attribute.
1217         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1218         * config/m32r/m32r.md (epilogue): New expander.
1219         (return_lr, return_rte): New insns.
1220         (return): Make it expander.
1221         (return_normal): New expander.
1222
1223 2007-01-18  Josh Conner  <jconner@apple.com>
1224
1225         PR target/30485
1226         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1227         support for UNLE, UNLT, UNGE, and UNGT.
1228
1229 2007-01-18  Jan Hubicka  <jh@suse.cz>
1230
1231         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1232         * tree-tailcall (add_virtual_phis): Likewise.
1233         (optimize_tail_call): Return TODOs.
1234         (execute_tail_calls): Return TODOs.
1235         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1236         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1237         changed.
1238         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1239         Cleanup cfg using TODO.
1240         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1241         * passes.c (execute_function_todo): When cleanup did something, remove
1242         unused locals.
1243         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1244         (make_edges): Don't cleanup_cfg.
1245
1246 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1249         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1250         operate on the top of stack.
1251         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1252         register handling of instructions that output to the second
1253         stack slot.
1254         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1255         (move_for_stack_reg): Special-case check for dead destination
1256         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1257
1258         * config/i386/i386.md (UNSPEC_TAN): New constant.
1259         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1260         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1261         to correctly model move of constant 1.0 to top stack slot.
1262         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1263         (unnamed peephole2 pattern): Remove corresponding peephole2
1264         pattern that optimizes tan insn and loading of constant 1.0.
1265         (tanxf2): Use fptanxf4_i387.
1266         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1267         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1268         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1269         disable patterns for SSE math.
1270         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1271         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1272
1273 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1274             Richard Guenther <rguenther@suse.de>
1275
1276         PR diagnostic/8268
1277         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1278         * common.opt (Warray-bounds): Add new warning option.
1279         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1280         if -Wall is given.
1281         * Makefile.in: make tree-vrp.o depend on toplev.h
1282         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1283         is enabled.
1284         (check_array_refs, check_array_bounds, check_array_ref): New.
1285
1286 2007-01-18  Jan Hubicka  <jh@suse.cz>
1287
1288         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1289         (execute_ssa_ccp): Return flags conditionally.
1290         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1291         changed.
1292         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1293
1294 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1295
1296         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1297         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1298
1299         * Makefile.c (GTFILES): Add cfglayout.h.
1300         * gengtype.c (open_base_files): Likewise.
1301         * cfglayout.c (cfg_layout_function_footer,
1302         cfg_layout_function_header) Reindent to make gengtype happy.
1303         * cfglayout.h (cfg_layout_function_footer,
1304         cfg_layout_function_header): Add GTY(()) marker.
1305
1306         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1307
1308 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1309
1310         * genautomata.c (write_automata): Include xstrerror output in the
1311         error message if writing the DFA description file fails.
1312
1313 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1314
1315         * config/mips/mips-protos.h (mips_output_external): Make it
1316         return void.
1317         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1318         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1319         (extern_list): Likewise.
1320         (extern_head): Likewise.
1321         (TARGET_ASM_FILE_END): Likewise.
1322         (mips_file_end): Likewise.
1323         (mips_output_external): Rewritten.
1324
1325 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1326
1327         * genpreds.c (write_insn_preds_c): Only write out the function
1328         body for regclass_for_constraint if we have register constraints.
1329
1330 2007-01-17  Tom Tromey  <tromey@redhat.com>
1331
1332         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1333         * doc/install.texi (Testing): Use sourceware.org.
1334         (Binaries): Likewise.
1335         (Specific): Likewise.
1336         * doc/contrib.texi (Contributors): Use sourceware.org.
1337
1338 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1339
1340         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1341         (AVR_ENHANCED): Rename to ...
1342         (AVR_HAVE_MUL): ... new.
1343         (avr_enhanced_p): Rename to ...
1344         (avr_have_mul_p): ... new.
1345         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
1346         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1347         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1348         (avr_have_mul_p): ... new.
1349         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1350         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1351         'avr_enhanced_p' and 'enhanced'.
1352         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
1353         AVR_HAVE_MUL instead of AVR_ENHANCED.
1354         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1355         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
1356         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
1357         instead of AVR_ENHANCED.
1358         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1359         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1360         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1361
1362 2007-01-17  Ian Lance Taylor  <iant@google.com>
1363
1364         * vec.h (VEC_reserve_exact): Define.
1365         (vec_gc_p_reserve_exact): Declare.
1366         (vec_gc_o_reserve_exact): Declare.
1367         (vec_heap_p_reserve_exact): Declare.
1368         (vec_heap_o_reserve_exact): Declare.
1369         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1370         versions.
1371         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1372         negative parameter.
1373         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1374         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1375         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1376         * vec.c (calculate_allocation): Add exact parameter.  Change all
1377         callers.
1378         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1379         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1380         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1381         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1382         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1383         (vec_heap_p_reserve_exact): New function.
1384         (vec_heap_o_reserve_exact): New function.
1385
1386 2007-01-17  Jan Hubicka  <jh@suse.cz>
1387
1388         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1389
1390 2007-01-17  Eric Christopher  <echristo@apple.com>
1391
1392         * config.gcc: Support core2 processor.
1393
1394 2007-01-16  Jan Hubicka  <jh@suse.cz>
1395
1396         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1397         the names, just unlink the chain so we don't crash on dangling pointers
1398         to dead SSA names.
1399
1400 2007-01-16  Jan Hubicka  <jh@suse.cz>
1401
1402         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1403         * tree-pass.h: Reorder to make IPA passes appear toegher.
1404         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1405         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1406         parameters, do not call early inliner.
1407         * ipa-inline.c: Update comments.  Include tree-flow.h
1408         (cgraph_decide_inlining): Do not compute inlining parameters.
1409         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1410         be called with function context set up.
1411         (pass_ipa_inline): Remove unreachable functions before pass.
1412         (cgraph_early_inlining): Simplify assuming to be called from the
1413         PM as local pass.
1414         (pass_early_inline): New pass.
1415         (cgraph_gate_ipa_early_inlining): New gate.
1416         (pass_ipa_early_inline): Turn into simple wrapper.
1417         (compute_inline_parameters): New function.
1418         (gate_inline_passes): New gate.
1419         (pass_inline_parameters): New pass.
1420         (apply_inline): Move here from tree-optimize.c
1421         (pass_apply_inline): New pass.
1422         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1423         transforming.
1424         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1425         doing them by hand.
1426         (tree_function_versioning): Do not allocate dummy struct function.
1427         * tree-inline.h (optimize_inline_calls): Update prototype.
1428         * tree-optimize.c (execute_fixup_cfg): Export.
1429         (pass_fixup_cfg): Remove
1430         (tree_rest_of_compilation): Do not apply inlines.
1431         * tree-flow.h (execute_fixup_cfg): Declare.
1432         * Makefile.in (gt-passes.c): New.
1433         * passes.c: Include gt-passes.h
1434         (init_optimization_passes): New passes.
1435         (nnodes, order): New static vars.
1436         (do_per_function_toporder): New function.
1437         (execute_one_pass): Dump current pass here.
1438         (execute_ipa_pass_list): Don't dump current pass here.
1439
1440 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1441
1442         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1443         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1444
1445 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1446
1447         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1448         (strong_alias): Define.
1449         (__gcc_qmul): Provide non-FMA for soft-float.
1450         (__gcc_qdiv): Same.
1451         (__gcc_qneg): New.
1452         (__gcc_qeq): New.
1453         (__gcc_qle): New.
1454         (__gcc_qge): New.
1455         (__gcc_qunord): New.
1456         (__gcc_stoq): New.
1457         (__gcc_dtoq): New.
1458         (__gcc_qtos): New.
1459         (__gcc_qtod): New.
1460         (__gcc_qtoi): New.
1461         (__gcc_qtou): New.
1462         (__gcc_itoq): New.
1463         (__gcc_utoq): New.
1464         (fmsub): New.
1465         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1466         soft-float functions.
1467         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1468         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1469         about long double soft float.
1470
1471 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1472             Tehila Meyzels  <tehila@il.ibm.com>
1473
1474         * tree-vectorizer.h (is_pattern_stmt_p): New.
1475         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1476         formatting (tabs instead of spaces). Cleanup and clarify setting
1477         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1478         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1479         (vectorizable_type_demotion): Check that types are integral.
1480         (vectorizable_type_promotion): Likewise.
1481         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1482         comments.
1483
1484 2007-01-16  Jan Hubicka  <jh@suse.cz>
1485
1486         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1487         cgraph edges too.
1488
1489 2007-01-15  Eric Christopher  <echristo@apple.com>
1490
1491         * ifcvt.c: Include vec.h, vecprim.h.
1492         (check_cond_move_block): New argument regs.
1493         Reorganize. Add registers used to regs.
1494         (cond_move_process_if_block): Use regs set above as
1495         loop bounds.
1496
1497 2007-01-15  Eric Christopher  <echristo@apple.com>
1498
1499         * config/darwin.h: Update copyright.
1500         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1501         (LINK_COMMAND_SPEC): Add -u.
1502         (LINK_SPEC): Fix umbrella for above.
1503
1504 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1505
1506         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1507         glibc CVS.
1508
1509 2007-01-15  Tom Tromey  <tromey@redhat.com>
1510
1511         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1512         * doc/install.texi (Testing): Don't mention jacks.
1513         (Configuration): Document --enable-java-maintainer-mode.  Move
1514         --with-java-home to libgcj-specific section.  Document
1515         --with-ecj-jar.
1516         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1517
1518 2007-01-15  Jan Hubicka  <jh@suse.cz>
1519
1520         * tree-ssa-dce.c (DCE_TODOs): New.
1521         (propagate_necessity): Return if something changed.
1522         (eliminate_unnecessary_stmts): Likewise.
1523         (perform_tree_ssa_dce): Return TODO flags when needed.
1524         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1525
1526 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1529         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1530         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1531         patterns using X87MODEF12 mode macro.  Extend operand 1
1532         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1533         (log10<mode>2): Ditto.
1534         (log2<mode>2): Ditto.
1535         (log1p<mode>2): Ditto.
1536         (logb<mode>2): Ditto.
1537         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1538         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1539         (*fxtractxf3_i387): Rename from *fxtractxf3.
1540         (fxtract_extend<mode>xf3_i387): New insn pattern.
1541         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1542         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1543         and gen_fyl2xxf3_i387().
1544
1545 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1546
1547         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1548         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1549         get_loop_exit_edges.  Changed return type to bool.
1550         * cfgloop.h (fix_loop_placement): Declaration removed.
1551
1552 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1553
1554         * param.h (MIN_VECT_LOOP_BOUND): New.
1555         * params.def (MIN_VECT_LOOP_BOUND): New.
1556         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1557         argument - minimum threshold for number of iterations.
1558         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1559         argument to declaration.
1560         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1561         MIN_VECT_LOOP_BOUND.
1562         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1563         slpeel_tree_peel_loop_to_edge with additional argument.
1564         (vect_do_peeling_for_alignment): Likewise.
1565         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1566
1567 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1568
1569         PR target/30413
1570         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1571         operands of size 1.
1572
1573 2007-01-14  Jan Hubicka  <jh@suse.cz>
1574
1575         * tree-dfa.c (remove_referenced_var): New function.
1576         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1577         prune referenced vars list too.
1578         * tree-flow.h (remove_referenced_var): Declare.
1579
1580 2007-01-14  Jan Hubicka  <jh@suse.cz>
1581
1582         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1583         separately.
1584         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1585         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1586         * except.h (verify_eh_throw_table_statements): Kill prototype.
1587         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1588         into call exrepssions.
1589         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1590         eh trhow verifier.
1591         * tree-cfg.c: Include pointer-set.h.
1592         (verify_node_sharing): Work on pointer set.
1593         (verify_eh_throw_stmt_node): New.
1594         (verify_stmts): Use pointers sets, verify throw_stmt.
1595
1596 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1597
1598         * ipa-reference.c (analyze_function): Consider also addresses taken
1599         in phi nodes.
1600
1601 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1602
1603         * c-typeck.c (null_pointer_constant_p): Replace use of
1604         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1605         (build_c_cast): Likewise.
1606
1607 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1608
1609         * tree.h (force_fit_type_double): Remove unused final argument.
1610         * c-common.c (constant_expression_warning): Replace use of
1611         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1612         (convert_and_check): Likewise.
1613         (shorten_compare): Update call to force_fit_type_double.
1614         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1615         * convert.c (convert_to_pointer): Update call to
1616         force_fit_type_double.
1617         * fold-const.c (force_fit_type_double): Remove overflowed_const
1618         argument.
1619         (int_const_binop, fold_convert_const_int_from_int,
1620         fold_convert_const_int_from_real, fold_div_compare,
1621         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1622         fold_abs_const, fold_not_const): Remove the final argument from
1623         calls to force_fit_type_double.
1624
1625 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1626
1627         * configure.ac: Set insn to "nop" for spu-*-* also.
1628         * configure: Regenerate.
1629
1630 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1631
1632         * builtins.def : Add BUILT_IN_FREE.
1633
1634 2007-01-12  Jan Hubicka  <jh@suse.cz>
1635
1636         PR tree-optimization/30443
1637         * tree-inline.c (tree_function_versioning): Do not optimize when
1638         cloning for inlining.
1639
1640 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1641
1642         * doc/loop.texi: Document recording of loop exits.
1643         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1644         (update_single_exits_after_duplication,
1645         update_single_exit_for_duplicated_loop,
1646         update_single_exit_for_duplicated_loops): Removed.
1647         (duplicate_loop_to_header_edge): Do not call
1648         update_single_exits_after_duplication and
1649         update_single_exit_for_duplicated_loops.
1650         (loop_version): Do not update single_exit information.
1651         (fix_loop_structure): Use record_loop_exits instead of
1652         mark_single_exit_loops.
1653         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1654         the lists of loop exits.
1655         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1656         split_edge, merge_blocks): Update the lists of loop exits.
1657         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1658         loop_optimizer_init.
1659         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1660         of mark_single_exit_loops.
1661         (loop_optimizer_finalize): Call release_recorded_exits.
1662         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1663         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1664         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1665         update single exit information.
1666         * lambda-code.c (perfect_nestify): Ditto.
1667         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1668         (mark_single_exit_loops): Removed.
1669         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1670         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1671         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1672         functions.
1673         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1674         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1675         (verify_loop_structure): Verify consistency of the exit lists.
1676         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1677         (set_single_exit): Removed.
1678         * cfgloop.h (struct loop_exit): New function.
1679         (struct loop): single_exit_ field replaced by exits field.
1680         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1681         (struct loops): Added exits hash.
1682         (mark_single_exit_loops, set_single_exit): Declaration removed.
1683         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1684
1685 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1686
1687         * doc/invoke.texi: Avoid use of @headitem.
1688
1689 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1690
1691         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1692
1693 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1694
1695         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1696         list of targets.
1697
1698 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1699             Richard Sandiford  <richard@codesourcery.com>
1700
1701         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1702         * config/m68k/m68k.opt: Resort options.
1703         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1704
1705 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1706             Richard Sandiford  <richard@codesourcery.com>
1707
1708         * doc/invoke.texi: Document the macros that are defined by
1709         m68k's -mtune and -mhard-float options.
1710         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1711         (m68k_cpp_cpu_family): Likewise.
1712         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1713         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1714         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1715         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1716         (m68k_cpp_cpu_family): Likewise.
1717
1718 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1719
1720         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1721         macros besides mc68000 as tuning macros.  Use a switch statement
1722         to set them and mcpu32.
1723
1724 2007-01-12  Julian Brown  <julian@codesourcery.com>
1725
1726         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1727         (TARGET_68040_ONLY): Rename to...
1728         (TARGET_68040): ...this.
1729         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1730         * config/m68k/m68k.md: Likewise.
1731
1732 2007-01-12  Julian Brown  <julian@codesourcery.com>
1733             Nathan Sidwell  <nathan@codesourcery.com>
1734             Richard Sandiford  <richard@codesourcery.com>
1735
1736         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1737         the -mcpu= argument associated with the --with-cpu setting.
1738         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1739         if different from the one implied by the -mcpu setting.
1740         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1741         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1742         * doc/invoke.texi: Mention ColdFire in the introduction to the
1743         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1744         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1745         -mhard-float.  Document the previously-undocumented -m5206e,
1746         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1747         documentation for consistency.
1748         * doc/install.texi: Mention new --with-cpu arguments.
1749         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1750         default CPU if neither -mcpu nor -march are specified.
1751         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1752         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1753         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1754         using m68k_tune to decide between families that implement the
1755         same ISA.  Use m68k_tune to set __mcfv4e__.
1756         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1757         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1758         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1759         (FL_ISA_C, FL_ISA_MMU): New macros.
1760         (MASK_COLDFIRE): Delete.
1761         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1762         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1763         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1764         (TARGET_HARD_FLOAT): Do not define here.
1765         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1766         (TUNE_68000): New macro.
1767         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1768         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1769         (TUNE_CFV2): Redefine in terms of m68k_tune.
1770         (uarch_type, target_device, fpu_type): New enums.
1771         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1772         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1773         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1774         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1775         (FL_FOR_isa_c): New macros.
1776         (m68k_isa): New enum.
1777         (m68k_target_selection): New structure.
1778         (all_devices, all_isas, all_microarchs): New tables.
1779         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1780         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1781         (MASK_ALL_CPU_BITS): Delete.
1782         (m68k_find_selection): New function.
1783         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1784         Map the legacy target options to a combination of the new ones.
1785         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1786         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1787         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1788         settings.
1789         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1790         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1791         properties.
1792         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1793         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1794         * config/m68k/m68k-devices.def: New file.
1795
1796 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1797             Nathan Sidwell  <nathan@codesourcery.com>
1798
1799         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1800         (SUBTARGET_EXTRA_SPECS): New macros.
1801         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1802         use %(asm_cpu_spec) instead.
1803         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1804         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1805         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1806         (EXTRA_SPECS): Rename to...
1807         (SUBTARGET_EXTRA_SPECS): ...this.
1808
1809 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1810             Richard Sandiford  <richard@codesourcery.com>
1811             Julian Brown  <julian@codesourcery.com>
1812
1813         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1814         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1815         to the configuration's default CPU.
1816         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1817         Remove default masks.
1818         (m680[012]0-*-*): Set the default with_cpu to the first part of
1819         the target name.
1820         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1821         (m68k*-*-linux): Extend the --with-cpu handling to...
1822         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1823         and m68010.  Don't set target_cpu_default2.
1824         * doc/install.texi: Document --with-cpu for m68k.
1825         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1826         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1827         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1828         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1829         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1830         (ASM_SPEC): Remove use of %(asm_cpu_default).
1831         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1832         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1833         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1834         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1835         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1836         (TARGET_DEFAULT): Delete.
1837         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1838         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1839         (CPP_CPU_SPEC): Delete.
1840         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1841         the appropriate string.
1842         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1843         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1844         (ASM_SPEC): Don't use %(asm_default_spec).
1845         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1846         TARGET_DEFAULT and add MASK_68881.
1847         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1848
1849 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1850
1851         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1852         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1853         MASK_68010 alongside MASK_68020.
1854         * doc/invoke.texi: Document -m68010.
1855         * config/m68k/m68k.opt (m68010): New.
1856         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1857         if TUNE_68010.
1858         (TUNE_68010): New macro.
1859         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1860         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1861         (M68K_CPU_m68332): Add MASK_68010.
1862         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1863         fallback definition.
1864         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1865         defines.
1866         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1867         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1868         to all entries that use MASK_68020.
1869         (output_move_simode_const, output_move_himode, output_move_qimode)
1870         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1871         instead of TARGET_68020 to select clr behavior.  Remove comment
1872         about there being no TARGET_68010.
1873         * config/m68k/m68k.md: Likewise throughout.
1874
1875 2007-01-12  Julian Brown  <julian@codesourcery.com>
1876
1877         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1878         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1879         * config/m68k/m68k.md: Likewise.
1880
1881 2007-01-12  Julian Brown  <julian@codesourcery.com>
1882
1883         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1884         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1885
1886 2007-01-12  Julian Brown  <julian@codesourcery.com>
1887
1888         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1889         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1890         * config/m68k/m68k.md: Likewise.
1891
1892 2007-01-12  Julian Brown  <julian@codesourcery.com>
1893             Richard Sandiford  <richard@codesourcery.com>
1894
1895         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1896         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1897         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1898         TARGET_CPU32.
1899         (TARGET_CPU32): Rename to...
1900         (TUNE_CPU32): ...this.
1901         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1902         (TUNE_CFV2): New macros.
1903         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1904         remove conditions that are implied by TARGET_68020.
1905         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1906         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1907         (m68k_output_function_epilogue): Likewise.
1908         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1909         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1910         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1911         non-68000 timings.  Refactor multiplication and division costs.
1912         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1913         TUNE_CPU32 instead of TARGET_CPU32.
1914         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1915         and TUNE_68060 instead of TARGET_68060.
1916         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1917         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1918         TARGET_CPU32.
1919         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1920         && !TARGET_COLDFIRE" to choose between moveq and clr.
1921         Likewise in the unnamed movsf pattern.
1922         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1923         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1924         ashiftrt pattern.
1925
1926 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1927
1928         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1929         of tabbing before backslashes.
1930
1931 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1932
1933         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1934         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1935         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1936
1937 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1938
1939         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1940         find_interesting_uses_cond.
1941         (find_interesting_uses_cond): Use extract_cond_operands.
1942         (rewrite_use_compare): Use extract_cond_operands and
1943         force_gimple_operand_bsi.  Do not call update_stmt.
1944         (determine_use_iv_cost_condition): Use extract_cond_operands.
1945         Return cheaper of using original bound and changing the exit bound.
1946
1947 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1948
1949         PR tree-optimization/29516
1950         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1951         most_expensive_mult_to_index, addr_to_parts,
1952         create_mem_ref, maybe_fold_tmr): Make the type of
1953         fields of TARGET_MEM_REF sizetype.
1954         (move_fixed_address_to_symbol, move_pointer_to_base):
1955         New functions.
1956         * tree.def (TARGET_MEM_REF): Add comment on types of
1957         the operands.
1958
1959 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1960
1961         * c-common.c (vector_types_convertible_p): Treat opaque types as
1962         always convertible if they have the same size, but not otherwise.
1963
1964 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1965
1966         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1967         Remove the b_unconditional field.
1968         (noce_try_sign_mask): Do not look at b_unconditional.
1969         (noce_process_if_block): Do not use merge_if_blocks.  Update
1970         the CFG here.  Do not set b_unconditional.
1971         (cond_move_process_if_block): Likewise.
1972         (find_cond_trap): Likewise.
1973         (check_cond_move_block): Require simple jump insns at the end
1974         of the basic block.
1975
1976 2007-01-11  Jan Hubicka  <jh@suse.cz>
1977
1978         PR tree-optimization/1046
1979         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1980         when alias info is not ready.
1981         (pass_tail_recursion): Do not require aliasing.
1982         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1983         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1984         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1985         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1986         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1987         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1988         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1989         before inlining.
1990         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1991         When aliasing is not build, mark statement as volatile.
1992
1993 2007-01-11  Tom Tromey  <tromey@redhat.com>
1994
1995         PR preprocessor/15185, PR preprocessor/20989:
1996         * doc/cppopts.texi <-MT>: Update description of algorithm for
1997         computing default target.
1998         <-M, -MD>: Reword "basename" text.
1999
2000 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2001
2002         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2003         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2004         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2005         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2006         fold_builtin_bswap, real_constp, fold_builtin_pow,
2007         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2008         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2009         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2010         * convert.c (convert_to_pointer): Likewise.
2011         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2012         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2013         const_binop, fold_convert_const_int_from_int,
2014         fold_convert_const_int_from_real,
2015         fold_convert_const_real_from_real, sign_bit_p,
2016         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2017         fold_sign_changed_comparison, fold_unary, fold_comparison,
2018         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2019         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2020         * print-tree.c (print_node_brief, print_node): Likewise.
2021         * stor-layout.c (place_field, layout_type): Likewise.
2022         * tree-chrec.c (keep_cast): Likewise.
2023         * tree.c (build_vector, build_real, build_real_from_int_cst,
2024         build_complex): Likewise.
2025
2026 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2027
2028         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2029         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2030
2031 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2032
2033         * configure.ac (strict1_warn): Rename to strict_warn.
2034         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2035         cc_set_by_configure, quoted_cc_set_by_configure,
2036         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2037         all_boot_languages, all_stagestuff): Remove.
2038         (target_list): Remove bootstrap targets.
2039         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2040         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2041         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2042         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2043         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2044         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2045         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2046         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2047         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2048         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2049         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2050         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2051         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2052         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2053         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2054         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2055         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2056         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2057         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2058         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2059         (mostlyclean): Adjust.
2060         (clean, distclean): Don't mention bootstrap stuff.
2061         * configure: Regenerate.
2062         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2063         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2064         treelang/config-lang.in (stagestuff): Remove.
2065         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2066         stageprofile, stagefeedback, stagestuff): Remove mention.
2067
2068 2007-01-11  Nick Clifton  <nickc@redhat.com>
2069
2070         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2071         Accept CONSTs.
2072         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2073         (mcore_arith_K_S_operand): Run the test for the S constraint not
2074         the test for the M constraint.
2075         (mcore_addsub_operand): Do not accept integer values that are
2076         larger than 32 bits.
2077         * config/mcore/mcore.md: Remove unused constraints from split.
2078         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2079         (addsi3): Likewise.
2080         (allocate_stack): Likewise.
2081         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2082         operands to 32 bits.
2083         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2084         INTVAL.
2085         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2086         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2087         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2088         mcore_output_bclri, mcore_output_andn, output_inline_const,
2089         mcore_output_move, mcore_output_movedouble): Likewise.
2090         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2091         (output_inline_const): Likewise.
2092         (output_inline_const): Fix format strings used in sprintf
2093         statements.
2094         * config/mcore/mcore-protos.h: Update prototypes for changed
2095         functions in mcore.c.
2096         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2097         HOST_WIDE_INT and not int.
2098         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2099         CONST_OK_FOR_N): Likewise.
2100         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2101         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2102         an INTVAL.
2103
2104 2007-01-10  Jan Hubicka  <jh@suse.cz>
2105
2106         * tree-vrp.c (remove_range_assertions): Release defs.
2107         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2108         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2109
2110 2007-01-10  Paul Brook  <paul@codesourcery.com>
2111
2112         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2113         * config/arm/arm.md (mulsi3subsi): New insn.
2114
2115 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2116
2117         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2118         (tree_transform_and_unroll_loop): New.
2119         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2120         Declare.
2121
2122 2007-01-10  Robert Kennedy <jimbob@google.com>
2123
2124         * fold-const.c (fold_comparison): Fold comparisons like (x *
2125         1000 < 0) to (x < 0).
2126
2127 2007-01-10  Ian Lance Taylor  <iant@google.com>
2128
2129         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2130         operands have the same priority.
2131
2132 2007-01-10  Tom Tromey  <tromey@redhat.com>
2133
2134         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2135         (fold_binary): Likewise.
2136         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2137         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2138         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2139         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2140         * langhooks.h (struct lang_hooks): Removed field
2141         'can_use_bit_fields_p'.
2142
2143 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2144
2145         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2146
2147 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2148
2149         * function.c (get_last_funcdef_no): New function.
2150         * function.h (get_last_funcdef_no): Declare.
2151         * tree-inline.c (initialize_cfun): Add initialization.
2152         (tree_function_versioning): Cleanup.
2153
2154 2007-01-10  Jan Hubicka  <jh@suse.cz>
2155
2156         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2157         PHIs.
2158
2159 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2160             Ben Elliston  <bje@au.ibm.com>
2161
2162         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2163         for SAVE_NONLOCAL and Pmode for any other save level.
2164         * spu-protos.h (spu_restore_stack_block): Declare.
2165         * spu.md (save_stack_block): Remove.
2166         (restore_stack_block): Call spu_restore_stack_block.
2167         * spu.c (spu_restore_stack_block): New function.
2168         (spu_expand_epilogue): Remove old comment.
2169
2170 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2171
2172         PR tree-optimization/30322
2173         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2174         (cand_value_at): Return the value as aff_tree.
2175         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2176         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2177         aff_combination_mult): New functions.
2178         (aff_combination_add): Use aff_combination_add_cst.
2179         (aff_combination_convert): Allow conversions to a wider type.
2180         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2181         * tree-affine.h (aff_combination_mult): Declare.
2182
2183 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2184
2185         * doc/tm.texi: Update documentation to reflect reality of exec
2186         and start file search behaviours. Update copyright year.
2187         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2188         header file directories.
2189
2190 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2191
2192         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2193         (*cosxf2): Rename to cosxf2_i387.
2194         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2195         using X87MODEF12 mode macro. Rename patterns to
2196         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2197         for SSE math.
2198         (*cosdf2, *cossf2): Ditto.
2199         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2200         to match extended input operands.
2201         (sincos<mode>3): New expander.
2202         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2203         insn patterns and corresponding splitters.
2204
2205 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2206
2207         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2208         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2209
2210 2007-01-09  Nicolas Pitre  <nico@cam.org>
2211
2212         PR target/30173
2213         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2214
2215 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2216
2217         * target.h (struct gcc_target): New field library_rtti_comdat.
2218         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2219         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2220         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2221         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2222
2223 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2224
2225         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2226
2227 2007-01-08  Richard Guenther  <rguenther@suse.de>
2228
2229         * tree.h (force_fit_type_double): Export.
2230         (force_fit_type): Remove.
2231         * fold-const.c (force_fit_type_double): New function.
2232         (force_fit_type): Remove.
2233         (int_const_binop): Use it.
2234         (fold_convert_const_int_from_int): Likewise.
2235         (fold_convert_const_int_from_real): Likewise.
2236         (fold_div_compare): Likewise.
2237         (fold_sign_changed_comparison): Likewise.
2238         (fold_unary): Likewise.
2239         (fold_negate_const): Likewise.
2240         (fold_abs_const): Likewise.
2241         (fold_not_const): Likewise.
2242         * c-common.c (shorten_compare): Use force_fit_type_double.
2243         * convert.c (convert_to_pointer): Likewise.
2244
2245 2007-01-08  Richard Guenther  <rguenther@suse.de>
2246
2247         * tree.h (build_int_cst_wide_type): Export.
2248         * tree.c (build_int_cst_wide_type): New function.
2249         (build_int_cst_wide): Fix comment.
2250         * builtins.c (fold_builtin_object_size): Use build_int_cst
2251         to build -1 or 0 of the correct type.  Use fit_double_type
2252         to check for overflow.
2253         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2254         to build the mask.
2255         (decode_field_reference): Likewise.
2256         (all_ones_mask_p): Likewise.
2257         (native_interpret_int): Use build_int_cst_wide_type.
2258         (fold_binary): Use build_int_cst_type to build an all-ones
2259         value.
2260         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2261
2262 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2263
2264         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2265
2266 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2267
2268         * genautomata.c (STATS_OPTION): New option.
2269         (stats_flag): New flag.
2270         (gen_automata_option): Handle it.
2271         (initiate_automaton_gen): Ditto.
2272         (write_automata): Output statistics only if stats_flag is
2273         set. Likewise, output time statistics only if time_flag is set.
2274         * doc/md.texi (Processor pipeline description): Document new flag.
2275
2276 2007-01-08  Richard Guenther  <rguenther@suse.de>
2277
2278         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2279         * tree.c (build_int_cst_type): Likewise.
2280         (size_in_bytes): Don't call force_fit_type on the result.
2281         (int_fits_type_p): Use fit_double_type.
2282         * fold-const.c (fit_double_type): New function.
2283         (force_fit_type): Use it.
2284         * tree.h (fit_double_type): Export.
2285
2286 2007-01-08  Jan Hubicka  <jh@suse.cz>
2287
2288         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2289         * ipa.c (function_and_variable_visibility): Fix return type.
2290
2291 2007-01-08  Richard Guenther  <rguenther@suse.de>
2292
2293         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2294         of offset to build the index.
2295         * tree-pretty-print.c (dump_generic_node): Don't build negated
2296         const just for printing.
2297         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2298         * builtins.c (fold_builtin_int_roundingfn): Check if result
2299         fits the type by using force_fit_type and comparing the result.
2300         * predict.c (predict_loops): Use compare_tree_int for comparison.
2301         * tree.c (build_int_cst): Fall back to integer_type_node for
2302         NULL_TREE type.
2303         (build_int_cst_wide): Assert type is non-null.
2304
2305 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2306
2307         * tree-vrp.c (extract_range_from_cond_expr): New.
2308         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2309         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2310         as expressions.
2311         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2312         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2313         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2314         used as expressions.
2315         * tree-object-size.c (cond_expr_object_size): New.
2316         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2317
2318 2007-01-08  Jan Hubicka  <jh@suse.cz>
2319
2320         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2321         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2322         statement.
2323
2324 2007-01-08  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/23603
2327         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2328         (extract_range_from_binary): Fall back to truthvalue instead of
2329         varying for TRUTH_*_EXPR.
2330         (extract_range_from_comparison): Fall back to truthvalue instead of
2331         varying.
2332         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2333         if all visited PHI values were constant.
2334
2335 2007-01-08  Jan Hubicka  <jh@suse.cz>
2336
2337         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2338         (cgraph_analyze_function): break out from ...
2339         (cgraph_finalize_compilation_unit): ... here.
2340         (cgraph_expand_function): Remove forgoten commented out line.
2341         (cgraph_optimize): Analyze functions.
2342
2343 2007-01-08  Jan Hubicka  <jh@suse.cz>
2344
2345         * tree-pas.h (TODO_remove_function): New flag.
2346         (TODO_update*): Renumber.
2347         (pass_ipa_increase_alignment,
2348         pass_ipa_function_and_variable_visibility): New passes.
2349         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2350         (cgraph_function_and_variable_visibility): Move to ipa.c
2351         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2352         cgraph_increase_alignment.
2353         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2354         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2355         calling tree-inline.
2356         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2357         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2358         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2359         (gate_increase_alignment): New function.
2360         (pass_ipa_increase_alignment): New pass.
2361         * ipa.c: Inline tree-pass.h and timevar.h
2362         (function_and_variable_visibility): Move here from cgraphunit.c
2363         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2364         * passes.c (init_optimization_passes): Add the two new passes.
2365         (execute_todo): Handle cgraph_remove_functions.
2366
2367 2007-01-08  Nick Clifton  <nickc@redhat.com>
2368
2369         * config/frv/predicates.md (reg_or_0_operand): Accept
2370         CONST_DOUBLEs.
2371
2372 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2373
2374         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2375         * config.gcc: Add bfin*-rtems*.
2376
2377 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2378
2379         * c.opt: Add -flax-vector-conversions.
2380         * c-typeck.c (convert_for_assignment): Pass flag to
2381         vector_types_convertible_p to allow emission of note.
2382         (digest_init): Likewise.
2383         * c-opts.c: Handle -flax-vector-conversions.
2384         * c-common.c (flag_lax_vector_conversions): New.
2385         (vector_types_convertible_p): Unless -flax-vector conversions
2386         has been passed, disallow conversions between vectors with
2387         differing numbers of subparts and/or element types.  If such
2388         a conversion is disallowed, possibly emit a note on the first
2389         occasion only to inform the user of -flax-vector-conversions.
2390         The new last argument specifies this.
2391         * c-common.h (flag_lax_vector_conversions): New.
2392         (vector_types_convertible_p): Add extra argument.
2393         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2394         char_type_node for V*QI type vectors.
2395         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2396         Update to satisfy new typechecking rules.
2397         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2398         C and C++ variants.
2399         * doc/invoke.texi (C Dialect Options): Document
2400         -flax-vector-conversions.
2401
2402 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2403
2404         PR tree-optimization/29877
2405         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2406         a register variable on the RHS to not be replaceable.
2407
2408 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2409         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2410         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2411         const_simm15, const_pow2, const_npow2): Added.
2412         * config/score/misc.md (insv, extv, extzv, movmemsi,
2413         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2414         * config/score/score.c (score_address_cost, score_select_cc_mode):
2415         Added.
2416         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2417         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2418         Update score_print_operand.
2419         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2420         Adjust register allocate order and update some macro define.
2421         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2422         mdx_block_move_straight, mdx_block_move_loop_head,
2423         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2424         mdx_block_move): Added.
2425         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2426         mdp_limm): Updated and fix some bug and typo.
2427         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2428         (movsf, movdf, doloop_end): Added.
2429
2430 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2431
2432         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2433         config/arm/thumb2.md: Fix comment typos.
2434         * doc/extend.texi: Fix a typo.
2435
2436 2007-01-07  Eric Christopher  <echristo@apple.com>
2437
2438         * configure.ac: Check for __stack_chk_fail for darwin.
2439         * configure: Regenerate.
2440
2441 2007-01-07  Richard Guenther  <rguenther@suse.de>
2442
2443         * tree-vrp.c (extract_range_from_assert): CSE calls to
2444         compare_values where possible.
2445         (extract_range_from_unary_expr): Likewise.
2446
2447 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2448
2449         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2450         * config/avr/avr.c (call_insn_operand): Delete function.
2451         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2452         instead of register number. Use predicates.
2453         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2454         call_insn_operand): Add.
2455
2456 2007-01-06  Jan Hubicka  <jh@suse.cz>
2457
2458         * tree-pass.h (pass_build_cgraph_edges): Declare.
2459         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2460         (visited_nodes): Remove.
2461         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2462         build_cgrpah_edges; make visited_nodes local.
2463         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2464         (record_references_in_initializer): Move to cgraphbuild.c
2465         (initialize_inline_failed, rebuild_cgraph_edges,
2466         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2467         (verify_cgraph_node): Make visited_nodes local.
2468         (cgraph_analyze_function): Do not call cgraph_create_edges and
2469         initialize_inline_failed.
2470         (cgraph_expand_function): Do not call cgraph_lower_function;
2471         assert that function is already lowered.
2472         * Makefile.in (cgraphbuild.o): New.
2473         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2474         at the end of lowering passes.
2475
2476 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2477
2478         * ifcvt.c (cond_move_convert_if_block): New function, code
2479         factored out from...
2480         (cond_move_process_if_block): ...here.  Call the new function
2481         on the THEN and ELSE blocks.
2482         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2483         already takes care of this.
2484
2485 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2486
2487         PR c/19978
2488         * tree.h (TREE_OVERFLOW_P): New.
2489         * c-typeck.c (parser_build_unary_op): Warn only if result
2490         overflowed and operands did not.
2491         (parser_build_binary_op): Likewise.
2492         (convert_for_assignment): Remove redundant overflow_warning.
2493         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2494
2495 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2496
2497         * c-typeck.c (store_init_value): Split over two lines to follow
2498         the GNU coding style.
2499
2500 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2501
2502         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2503         __GXX_EXPERIMENTAL_CXX0X__.
2504         * doc/cpp.texi: Same.
2505
2506 2007-01-05  Richard Guenther  <rguenther@suse.de>
2507
2508         PR middle-end/27826
2509         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2510         with mismatched types.  Instead explicitly build a
2511         conversion NOP_EXPR.
2512
2513 2007-01-05  Ian Lance Taylor  <iant@google.com>
2514
2515         * c-common.c (decl_with_nonnull_addr_p): New function.
2516         (c_common_truthvalue_conversion): Call it.
2517         * c-typeck.c (build_binary_op): Likewise.
2518         * c-common.h (decl_with_nonnull_addr_p): Declare.
2519
2520 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2521
2522         PR c/30360
2523         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2524         denom against 0.0.
2525
2526 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2527
2528         * doc/install.texi (Final install): Document the fact that
2529         the GNAT runtime should not be stripped.
2530
2531 2007-01-04  Jan Hubicka  <jh@suse.cz>
2532
2533         * tree-inline.c (fold_marked_statements): Update operand caches
2534         and EH after folding
2535
2536 2007-01-04  Ian Lance Taylor  <iant@google.com>
2537
2538         * c-common.c (check_function_nonnull): Whitespace fix.
2539
2540 2007-01-04  Jan Hubicka  <jh@suse.cz>
2541
2542         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2543         comitted older version of patch.
2544         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2545         function, celanup cfg and collect garbage.
2546
2547 2007-01-04  Mike Stump  <mrs@apple.com>
2548
2549         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2550         (clean): Likewise.
2551
2552 2007-01-04  Eric Christopher  <echristo@apple.com>
2553
2554         * libgcc2.c (__bswapsi2): Use SItype.
2555         (__bswapdi2): Use DItype.
2556         * libgcc2.h: Update for above.
2557
2558 2007-01-04  Paul Brook  <paul@codesourcery.com>
2559
2560         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2561         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2562         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2563         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2564         umulsi3_highpart): Make conditional on !arm_arch6.
2565         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2566         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2567         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2568         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2569         umulsi3_highpart_v6): New insns.
2570
2571 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2572
2573         * fold-const.c (fold_convert): When casting an expression to void,
2574         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2575         have a type.  Instead of attempting to build a NOP_EXPR, return
2576         these "special" trees directly.
2577
2578 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2579
2580         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2581         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2582         rs6000_cost->fp not 0 as adjustment for outer NEG.
2583
2584 2007-01-04  Jan Hubicka  <jh@suse.cz>
2585
2586         * cgraph.c (cgraph_release_function_body): New function.
2587         (cgraph_remove_node): Use it.
2588         * cgraph.h (cgraph_release_function_body): Declare.
2589         * cgraphunit.c (cgraph_expand_function): Use it.
2590         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2591         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2592         is initialized and while compilation of other function is running.
2593         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2594         statement CFG annotations from here to ...
2595         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2596
2597 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2598
2599         * cfgloop.h (enum li_flags): Make the constants powers of two.
2600
2601 2007-01-04  Jan Hubicka  <jh@suse.cz>
2602
2603         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2604         set.
2605         (fold_marked_statements): New function.
2606         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2607         * tree-inline.h (copy_body_data): Add statements_to_fold.
2608
2609 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2610
2611         * config.gcc: Mention libgcc/config.host.
2612         * Makefile.in: Update comments mentioning libgcc.
2613         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2614         (all.cross, start.encap, rest.encap, rest.cross): Update
2615         dependencies for libgcc move.
2616         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2617         (clean-target, clean-target-libgcc): Delete.
2618         (srcdirify, GCC_EXTRA_PARTS): New macros.
2619         (libgcc-support, libgcc.mvars): New rules.
2620         (distclean): Remove mention of mklibgcc.
2621         (install): Don't reference INSTALL_LIBGCC.
2622         (install-common): Don't reference EXTRA_PARTS.
2623         (install-libgcc, install-multilib): Delete rules.
2624         * mklibgcc.in: Delete file.
2625         * doc/configfiles.texi: Don't mention mklibgcc.
2626
2627         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2628         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2629         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2630         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2631         (mklibgcc, ldblspecs): Likewise.
2632
2633         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2634         (posixpre.def): Use $(T).
2635         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2636         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2637         (SHLIB_LINK): Make dummy.
2638         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2639
2640         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2641
2642         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2643         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2644         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2645         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2646
2647         * configure.ac (all_outputs): Remove mklibgcc.
2648         * configure: Regenerated.
2649
2650 2007-01-03  Josh Conner  <jconner@apple.com>
2651
2652         PR middle-end/29683
2653         * calls.c (compute_argument_addresses): Set stack and stack_slot
2654         for partial args, too.
2655         (store_one_arg): Use locate.size.constant for the size when
2656         generating a save_area.
2657
2658 2007-01-03  Robert Kennedy <jimbob@google.com>
2659
2660         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2661         whose definitions are deleted due to basic block merging.
2662
2663 2007-01-03  Paul Brook  <paul@codesourcery.com>
2664
2665         PR target/16634
2666         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2667         functions.
2668         (use_return_insn): Return 0 for Thumb interrupt functions.
2669         (print_multi_reg): Add rfe argument for IRQ returns.
2670         (arm_output_epilogue): Pop interrupt return address directly into PC.
2671         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2672
2673 2007-01-03  Paul Brook  <paul@codesourcery.com>
2674
2675         Merge from sourcerygxx-4_1.
2676         * config/arm/thumb2.md: New file.
2677         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2678         Thumb-2.
2679         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2680         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2681         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2682         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2683         tables.
2684         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2685         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2686         comptibility.
2687         * config/arm/ieee754-sf.S: Ditto.
2688         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2689         (thumb1_base_register_rtx_p): ... to this.
2690         (thumb_index_register_rtx_p): Rename...
2691         (thumb1_index_register_rtx_p): ... to this.
2692         (thumb_output_function_prologue): Rename...
2693         (thumb1_output_function_prologue): ... to this.
2694         (thumb_legitimate_address_p): Rename...
2695         (thumb1_legitimate_address_p): ... to this.
2696         (thumb_rtx_costs): Rename...
2697         (thumb1_rtx_costs): ... to this.
2698         (thumb_compute_save_reg_mask): Rename...
2699         (thumb1_compute_save_reg_mask): ... to this.
2700         (thumb_final_prescan_insn): Rename...
2701         (thumb1_final_prescan_insn): ... to this.
2702         (thumb_expand_epilogue): Rename...
2703         (thumb1_expand_epilogue): ... to this.
2704         (arm_unwind_emit_stm): Rename...
2705         (arm_unwind_emit_sequence): ... to this.
2706         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2707         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2708         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2709         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2710         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2711         thumb2_output_casesi): New functions.
2712         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2713         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2714         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2715         THUMB2_WORK_REGS): Define.
2716         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2717         arm_condexec_mask, arm_condexec_masklen)): New variables.
2718         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2719         (arm_override_options): Check new CPU capabilities.
2720         Set new architecture flag variables.
2721         (arm_isr_value): Handle v7m interrupt functions.
2722         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2723         Thumb-2.
2724         (const_ok_for_arm): Handle Thumb-2 constants.
2725         (arm_gen_constant): Ditto.  Use movw when available.
2726         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2727         functions.
2728         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2729         (thumb_find_work_register, arm_load_pic_register,
2730         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2731         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2732         print_multi_reg, output_mov_long_double_fpa_from_arm,
2733         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2734         output_mov_double_fpa_from_arm, output_move_double,
2735         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2736         output_return_instruction, arm_output_function_prologue,
2737         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2738         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2739         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2740         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2741         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2742         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2743         '!' and 'L'.
2744         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2745         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2746         (arm_file_start): Output directive for unified syntax.
2747         (arm_unwind_emit_set): Handle stack alignment instruction.
2748         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2749         Add v6t2, v7, v7a, v7r and v7m.
2750         (RETLDM): Add Thumb-2 code.
2751         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2752         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2753         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2754         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2755         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2756         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2757         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2758         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2759         ADJUST_INSN_LENGTH): Define.
2760         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2761         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2762         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2763         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2764         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2765         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2766         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2767         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2768         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2769         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2770         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2771         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2772         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2773         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2774         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2775         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2776         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2777         cortex-m3.
2778         * config/arm/arm-tune.md: Regenerate.
2779         * config/arm/arm-protos.h: Update prototypes.
2780         * config/arm/vfp.md: Enable patterns for Thumb-2.
2781         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2782         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2783         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2784         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2785         * config/arm/libunwind.S: Add Thumb-2 code.
2786         * config/arm/constraints.md: Update include Thumb-2.
2787         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2788         * config/arm/ieee754-df.S: Ditto.
2789         * config/arm/bpabi.S: Ditto.
2790         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2791         * config/arm/predicates.md (low_register_operand,
2792         low_reg_or_int_operand, thumb_16bit_operator): New.
2793         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2794         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2795         * config/arm/t-arm-elf: Add armv7 multilib.
2796         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2797         Include thumb2.md.
2798         (UNSPEC_STACK_ALIGN, ce_count): New.
2799         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2800         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2801         insns/expanders.
2802         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2803         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2804         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2805         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2806         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2807         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2808         insns.
2809         * doc/extend.texi: Document ARMv7-M interrupt functions.
2810         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2811
2812 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2813
2814         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2815         (struct _Unwind_Context): Rename args_size to flags, remove
2816         signal_frame field, add a new args_size field and version field.
2817         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2818         _Unwind_IsExtendedContext): New inline functions.
2819         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2820         Assume by_value array is only present if _Unwind_IsExtendedContext.
2821         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2822         _Unwind_IsSignalFrame.
2823         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2824         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2825         (uw_init_context_1): Initialize context->flags to
2826         EXTENDED_CONTEXT_BIT.
2827         * config/rs6000/linux-unwind.h (frob_update_context): Use
2828         _Unwind_SetSignalFrame.
2829
2830 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2831
2832         PR middle-end/30353
2833         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2834         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2835         the value.
2836
2837 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2838
2839         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2840         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2841         RET, AT_SP): Remove.
2842         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2843         instead of RET.
2844
2845         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2846         * cfgbuild.c (find_basic_blocks): Likewise.
2847         * cfgrtl.c (rtl_create_basic_block): Likewise.
2848         * function.c (temp_slots_at_level): Likewise.
2849         * reg-stack.c (stack_regs_mentioned): Likewise.
2850         * regclass.c (allocate_reg_info): Likewise.
2851         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2852         set_bb_for_stmt, move_block_to_fn): Likewise.
2853         * tree-complex.c (tree_lower_complex): Likewise.
2854         * vec.h (VEC_safe_grow_cleared): New.
2855
2856         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2857
2858 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2859
2860         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2861         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2862         to loop_version.
2863         * cfgloopmanip.c (scale_loop_frequencies): Export.
2864         (loopify): Scale the frequencies by prescribed coefficients.
2865         (set_zero_probability): New function.
2866         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2867         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2868         and frequencies according to arguments.
2869         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2870         correctly.
2871         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2872         * modulo-sched.c (sms_schedule): Set probabilities for entering
2873         versioned loop correctly.
2874         * tree-vect-transform.c (vect_transform_loop): Ditto.
2875         * cfgloop.h (loopify, loop_version): Declaration changed.
2876         (scale_loop_frequencies): Declared.
2877
2878 2007-01-02  Jan Hubicka  <jh@suse.cz>
2879
2880         * cgraph.c: Include tree-flow.h
2881         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2882         early_local_passes.
2883         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2884         * tree-pass.h (pass_all_early_optimizations): Declare.
2885         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2886         early_local_passes.
2887         (cgraph_analyze_function): Do early_local_passes.
2888         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2889         Do not add referenced vars.
2890         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2891         SSA form.
2892         (gate_all_early_local_passes): New gate.
2893         (pass_early_local_passes): Use new gate.
2894         (execute_early_local_optimizations): New functions.
2895         (gate_all_early_optimizations): New gate.
2896         (pass_all_early_optimizations): New pass.
2897         (execute_free_datastructures): Free SSA only when initialized.
2898         (gate_init_datastructures): Init only when optimizing.
2899         (tree_lowering_passes): Do early local passes when called late.
2900         * tree-profile.c (do_tree_profiling): Don't profile functions added
2901         late.
2902         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2903         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2904         not active.
2905         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2906         during early_local_passes.
2907         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2908
2909
2910 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2911
2912         * Makefile.in: Update copyright year.
2913
2914 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2915
2916         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2917         in $(lang_checks) and check-consistency targets.
2918
2919 2007-01-02  Jan Hubicka  <jh@suse.cz>
2920
2921         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2922         Do not add referenced vars.
2923         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2924         are not active.
2925         * passes.c (init_optimization_passes): Put mudflap_2 after
2926         free_datastructures.
2927
2928 2007-01-02  Jan Hubicka  <jh@suse.cz>
2929
2930         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2931         Set NOTHROW flag on call statements proved to be nothrow.
2932         Update statement of local calls so new pure/const functions are
2933         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2934         goto receivers.
2935         (tree_rest_of_compilation): Register hooks and initialize bitmap
2936         early. Do not set after_inlining flag.
2937
2938 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2939
2940         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2941         HOST_BITS_PER_LONGLONG
2942
2943 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2944
2945         PR c/19977
2946         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2947         warning for non-static initializers.
2948
2949 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2950
2951         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2952         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2953         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2954         Always use set_unique_reg_note to add REG_EQUAL notes.
2955
2956 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2957
2958         Revert:
2959         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2960
2961         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2962         * cfgbuild.c (find_basic_blocks): Likewise.
2963         * cfgrtl.c (rtl_create_basic_block): Likewise.
2964         * function.c (temp_slots_at_level): Likewise.
2965         * reg-stack.c (stack_regs_mentioned): Likewise.
2966         * regclass.c (allocate_reg_info): Likewise.
2967         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2968         set_bb_for_stmt, move_block_to_fn): Likewise.
2969         * tree-complex.c (tree_lower_complex): Likewise.
2970         * vec.h (VEC_safe_grow_cleared): New.
2971
2972 2007-01-02  Ian Lance Taylor  <iant@google.com>
2973
2974         * c-common.c (c_common_truthvalue_conversion): When warning about
2975         using an assignment as a truth value, set TREE_NO_WARNING.
2976
2977 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2978
2979         PR middle-end/7651
2980         * c.opt (Wold-style-declaration): New.
2981         * doc/invoke.texi (C-only Warning Options): New.
2982         (Wold-style-declaration): Document it.
2983         (Wextra): Enabled by -Wextra.
2984         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2985         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2986         -Wold-style-declaration.
2987
2988 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2989
2990         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2991         * cfgbuild.c (find_basic_blocks): Likewise.
2992         * cfgrtl.c (rtl_create_basic_block): Likewise.
2993         * function.c (temp_slots_at_level): Likewise.
2994         * reg-stack.c (stack_regs_mentioned): Likewise.
2995         * regclass.c (allocate_reg_info): Likewise.
2996         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2997         set_bb_for_stmt, move_block_to_fn): Likewise.
2998         * tree-complex.c (tree_lower_complex): Likewise.
2999         * vec.h (VEC_safe_grow_cleared): New.
3000
3001 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3002
3003         * c-common.c(c_common_nodes_and_builtins): Since variants of
3004         void_type_node get built before it is given a name, we need to
3005         give those variants the name, too.
3006         (complete_array_type): We need to work with the canonical main
3007         type of the array, from which we will build the qualified version.
3008         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3009         * print-tree.c (print_node): Display canonical type information
3010         for each type.
3011         * stor-layout.c (layout_type): When we don't know the
3012         alignment of a type for which we're building an array, we end up
3013         guessing wrong, so make the type require structural equality.
3014         * tree.c (make_node_stat): When we build a new type, it is its
3015         own canonical type.
3016         (build_type_attribute_qual_variant): When building an attribute
3017         variant, its canonical type is the non-attribute variant. However,
3018         if the attributes are target-dependent and they differ, we need to
3019         use structural equality checks for this type.
3020         (build_qualified_type): A qualified type is not equivalent to its
3021         unqualified variant; set the canonical type appropriately.
3022         (build_distinct_type_copy): When building a distinct type from
3023         another type, the new type is its own canonical type.
3024         (build_variant_type_copy): When building a new type variant, we
3025         assume that it is equivalent to the original type.
3026         (build_pointer_type_for_mode): When building a pointer type, also
3027         build a canonical type pointer.
3028         (build_reference_type_for_mode): When building a reference type,
3029         also build a canonical type reference.
3030         (build_index_type): When we can't hash an index type (e.g.,
3031         because its maximum value is negative), the index type requires
3032         structural equality tests.
3033         (build_array_type): Build the canonical form of an array type.
3034         (build_function_type): Function types require structural equality,
3035         because they contain default arguments, attributes, etc.
3036         (build_method_type_directly): Ditto for method types.
3037         (build_offset_type): Build the canonical offset type.
3038         (build_complex_type): Build the canonical vector type.
3039         (make_vector_type): Build the canonical vector type.
3040         * tree.h (TYPE_CANONICAL): New.
3041         (TYPE_STRUCTURAL_EQUALITY_P): New.
3042         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3043         (struct tree_type): Added "canonical" field.
3044         * params.h (VERIFY_CANONICAL_TYPES): New.
3045         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3046         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3047         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3048         * doc/invoke.texi (verify-canonical-types): Document --param
3049         parameter for verifying canonical types.
3050
3051 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3052
3053         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3054         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3055         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3056         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3057         tm_file.
3058         * config/rs6000/e500.h: New.
3059         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3060         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3061         Remove.
3062         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3063         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3064         TARGET_E500_DOUBLE): Remove.
3065         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3066         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3067         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3068         * config/rs6000/rs6000.c (rs6000_override_options): Use
3069         CHECK_E500_OPTIONS.
3070
3071 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3072
3073         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3074         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3075         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3076         rs6000_emit_cmove): Don't check TARGET_E500.
3077         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3078         sordered): Don't check TARGET_E500.
3079
3080 2007-01-01  Eric Christopher  <echristo@apple.com>
3081
3082         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3083         HARD_REGISTER_NUM_P.
3084
3085 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3086
3087         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3088         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3089         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3090         eq/ne Y".
3091
3092 2007-01-01  Mike Stump  <mrs@apple.com>
3093
3094         * configure.ac: Remove support for building with Apple's gcc-3.1.
3095
3096 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3097
3098         PR middle-end/30311
3099         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3100         REG is a hard register.  Do not modify REG before calling
3101         subreg_nregs.
3102         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3103         multiple of the size of YMODE for certain lowpart cases.
3104
3105 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3106
3107         PR middle-end/30253
3108         * gimplify (voidify_wrapper_expr): Update for
3109         GIMPLE_MODIFY_STMT.
3110
3111 2007-01-01  Andreas Schwab  <schwab@suse.de>
3112
3113         PR target/29166
3114         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3115         save of BR0 in extra_spill_size instead of spill_size.
3116         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3117         area.
3118         (ia64_expand_epilogue): Restore BR0 from its new location.
3119
3120 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3121
3122         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3123         Use a temporary variable if the left hand side is not a gimple
3124         register.
3125
3126 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3127
3128         * gimplify.c (gimplify_return_expr): Make the temporary variable
3129         for the return expression, a gimple register variable.
3130
3131 2007-01-01  Jan Hubicka  <jh@suse.cz>
3132
3133         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3134         INSN_LIST.
3135
3136 2007-01-01  Mike Stump  <mrs@apple.com>
3137
3138         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3139         .literal16.
3140         * config/darwin.c (machopic_select_rtx_section): Use
3141         HAVE_GAS_LITERAL16.
3142         (darwin_mergeable_constant_section): Likewise.
3143         * configure: Regenerate.
3144         * config.in: Regenerate.
3145
3146 2007-01-01  Jan Hubicka  <jh@suse.cz>
3147             Andrew Pinski  <pinskia@gmail.com>
3148
3149         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3150         before starting IPA passes.