* lib/target-supports.exp
[official-gcc.git] / gcc / ChangeLog
blob55a40469404e3b1a796aa0501d5321e4f915b437
1 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
4         file scope from optimize_attrs.
5         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6         up search.
7         (optimize_attrs): Clear insn_code_values after freeing it.
9 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
11         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
12         a parts.base assignment.
14 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
16         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
17         (compute_subscript_distance, initialize_data_dependence_relation,
18         finalize_ddr_dependent, analyze_ziv_subscript,
19         analyze_siv_subscript_cst_affine,
20         compute_overlap_steps_for_affine_univar,
21         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
22         analyze_siv_subscript, analyze_miv_subscript,
23         analyze_overlapping_iterations, subscript_dependence_tester_1,
24         compute_self_dependence, free_dependence_relation): Work
25         with affine_fn instead of chrecs.
26         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
27         common_affine_function, affine_function_base,
28         affine_function_constant_p, affine_fn_op, affine_fn_plus,
29         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
30         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
31         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
32         (all_chrecs_equal_p): Removed.
33         * tree-data-ref.h (affine_fn, conflict_function): New types.
34         (struct subscript): Change type of conflicting_iterations_in_a
35         and conflicting_iterations_in_b.
37 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
39         PR other/30182
40         * config/pa/pa.h (TARGET_HPUX_11): New.
41         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
42         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
44 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
45         Richard Guenther  <rguenther@suse.de>
47         * tree-ssa-structalias.c (solve_graph): Handle case
48         we merged the variable to another.
50 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
52         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
53         functions.
55         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
56         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
58 2007-01-25  DJ Delorie  <dj@redhat.com>
60         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
61         allow changes to modes which don't fit in those registers.
63         * reload1.c (choose_reload_regs): Check for invalid subregs before
64         computing their locations, not after.
66 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
68         PR 25127
69         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
70         save Altivec registers in an eh_return function.
71         (compute_vrsave_mask): Likewise.
72         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
73         for saving Altivec registers.
74         (rs6000_emit_prologue): Don't allocate stack twice in
75         eh_return function.  Correct expected value of altivec_save_offset
76         when using save_world.  Describe save of R0 to stack when using
77         save_world.  Describe stack pointer adjustment when using
78         save_world.  Remove duplicated eh_return parameter register saving.
79         Update sp_offset variable after save_world.
80         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
81         darwin-world.asm.
82         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
83         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
84         implies Altivec.
86 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
88         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
90 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
92         PR other/30182
93         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
94         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
96 2007-01-25  Richard Guenther  <rguenther@suse.de>
98         * doc/invoke.texi (-Wcoverage-mismatch): Document.
99         * common.opt (-Wcoverage-mismatch): New warning option.
100         * coverage.c (get_coverage_counts): Ignore coverage mismatch
101         if -Wcoverage-mismatch is given.
103 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
105         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. 
106         (ipcp_driver): Change to static definition. 
107         Add dumping of the ifunctions.
108         (constant_val_insert): Remove unused parameter. Support for SSA.
109         (ipcp_propagate_const): Support for SSA.
110         (ipcp_profile_bb_print): Print only analyzed nodes.
111         (ipcp_replace_map_create): Remove support for Fortran constant 
112         for now.
113         * ipa-prop.c (ipa_method_modify_stmt, 
114         ipa_callsite_compute_param): Support for SSA.
115         * ipa-prop.h (ipcp_driver): Remove declaration.
116         (IS_VALID_TREE_MAP_INDEX): Add define.
118 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
120         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
122 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
124         PR middle-end/30447
125         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
126         constant argument to cabs and do it without checking for
127         -funsafe-math-optimizations.
129 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
131         * c-common.h (RID_FIRST_CXX0X): New.
132         (RID_LAST_CXX0X): New.
133         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
134         by -Wall.
135         * c.opt (Wc++0x-compat): New.
136         * doc/invoke.texi (-Wc++0x-compat): Document.
138 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
140         * builtins.c (fold_builtin_carg): New.
141         (fold_builtin_1): Use it.
143 2007-01-24  Jan Hubicka  <jh@suse.cz>
145         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
147         * ipa-inline.c (initial_insns, max_insns): Delete.
148         (compute_max_insns): New function.
149         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
150         of insns as base for code growth.
151         (cgraph_decide_inlining): Make initial_insns local; do not compute
152         max_insns.
153         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
154         * doc/invoke.texi (inline-unit-growth): Update docs.
156 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
158         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
159         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
160         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
161         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
162         for CPUs that have PTA_CX16 set.
164         PR middle-end/27416
165         * gimplify.c (omp_check_private): New function.
166         (gimplify_scan_omp_clauses): Use it for
167         firstprivate/lastprivate/reduction.
169         PR middle-end/30494
170         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
171         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
173         PR middle-end/30421
174         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
175         If lower_lastprivate_clauses emits some statements, append them
176         to dlist rather than body_p and to body_p append an initializer.
177         (lower_omp_for): Adjust caller.
179 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
181         * target.h (globalize_decl_name): New.
182         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
183         * output.h (default_globalize_decl_name): New.
184         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
185         globalize_label.
186         (globalize_decl): Ditto.
187         (default_globalize_decl_name): New.
188         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
189         (ia64_handle_version_id_attribute): New.
190         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
191         (ia64_asm_output_external): Use globalize_decl_name instead
192         of globalize_label.
193         * doc/extend.texi (version_id): New pragma.
194         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
196 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
198         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with 
199         _uleb128_t and _Unwind_SWord with _sleb128_t.
200         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
201         uw_frame_state_for, uw_update_context_1): Likewise.
202         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
203         * unwind-pe.h (read_uleb128, read_sleb128,
204         read_encoded_value_with_base): Likewise.
205         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
207 2007-01-24  Richard Guenther  <rguenther@suse.de>
209         * builtins.c (expand_builtin_cexpi): Get the fndecl
210         for cexp in the correct way.
212 2007-01-24  Jan Hubicka  <jh@suse.cz>
214         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
216 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
218         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
219         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
220         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
221         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
222         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
223         __SIZEOF_PTRDIFF_T__.
224         * doc/cpp.texi: Documentation for the new builtin macros added.
226 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
228         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
229         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
230         instead of operands[2] to avoid access past the end of array.
232 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
234         * reload1.c (emit_reload_insns): Pass the reload register
235         for a non-spill output reload through forget_old_reloads_1.
237 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
239         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
240         _SOFT_DOUBLE if doubles use software floating-point.
241         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
242         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
243         * config/rs6000/darwin-ldouble.c: Also compile functions for
244         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
245         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
246         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
247         commented-out long double override.
248         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
249         * config/rs6000/eabispe.h: Likewise.
250         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
251         long double for non-SPE.
252         (rs6000_handle_option): Likewise.
253         (invalid_e500_subreg): Disallow more subregs involding DImode,
254         DFmode, TImode or TFmode.
255         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
256         E500 double.
257         (legitimate_lo_sum_address_p): Also check for TFmode for E500
258         double.
259         (rs6000_legitimize_address): Also handle TFmode for E500 double.
260         (rs6000_legitimize_reload_address): Also handle TFmode for E500
261         double.
262         (rs6000_legitimate_address): Also check for TFmode for E500
263         double.
264         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
265         (spe_build_register_parallel): Handle TFmode and TCmode.
266         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
267         double.
268         (function_arg): Handle TFmode and TCmode for E500 double.
269         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
270         in general.
271         (print_operand): Handle TFmode and TImode for %y.
272         (rs6000_generate_compare): Handle TFmode comparisons for E500
273         double.
274         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
275         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
276         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
277         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
278         TFmode for E500 double.
279         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
280         (floatsidf2): Enable for E500 double.
281         (movtf_softfloat): Use rs6000_nonimmediate_operand.
282         (extenddftf2): Change to extenddftf2_fprs.
283         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
284         depending on TARGET_E500_DOUBLE.
285         (extendsftf2): Enable for E500 double.
286         (trunctfdf2): Enable for E500 double.
287         (trunctfsf2): Change to trunctfsf2_fprs.
288         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
289         depending on TARGET_E500_DOUBLE.
290         (floatsitf2): Enable for E500 double.
291         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
292         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
293         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
294         (negtf2): Change to negtf2_internal.
295         (negtf2): New expander.
296         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
297         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
298         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
299         (movdi_internal32): Use rs6000_nonimmediate_operand.
300         (unnamed splitter): Likewise.
301         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
302         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
303         (SPE64TF, DITI): New mode macros.
304         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
305         modes.
306         (frob_tf_ti): New.
307         (frob_<mode>_di_2): New.
308         (frob_tf_di_8_2): New.
309         (frob_di_df): Change to frob_di_<mode>; allow more modes.
310         (frob_ti_tf): New.
311         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
312         more modes.
313         (frob_ti_<mode>_8_2): New.
314         (frob_ti_tf_2): New.
315         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
316         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
317         TFmode.
318         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
319         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
320         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
321         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
322         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
323         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
324         tsttflt_gp): New.
326 2007-01-23  Ian Lance Taylor  <iant@google.com>
328         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
329         insn-*.o first.
330         (OBJS-archive): Reformat, alphabetize.
331         (OBJS): Change out_object_file to OBJS-md.
333 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
335         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
336         JUMP_P and CALL_P predicates where applicable.
337         * config/i386/i386.c: Ditto.
338         * config/i386/i386.md: Ditto.
339         * config/i386/mmx.md: Ditto.
340         * config/i386/predicates.md: Ditto.
342 2007-01-22  Andreas Schwab  <schwab@suse.de>
344         * config/m68k/m68k.h: Fix comment.
346 2007-01-22  Jan Hubicka  <jh@suse.cz>
348         * passes.c (init_optimization_passes): Do not rerun
349         pass_early_warn_uninitialized.
351 2007-01-22  Richard Guenther  <rguenther@suse.de>
353         PR tree-optimization/30038
354         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
355         function.
356         (execute_cse_sincos_1): Likewise.
357         (execute_cse_sincos): Likewise.
358         (gate_cse_sincos): Likewise.
359         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
360         the cexpi() canonicalization of sincos().
361         * tree-pass.h (pass_cse_sincos): Declare.
362         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
364 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
366         PR rtl-optimization/29329
367         * combine.c (replaced_rhs_insn): Rename to i2mod.
368         (replaced_rhs_value): Rename to i2mod_new_rhs.
369         (i2mod_old_rhs): New global variable.
370         (combine_instructions): Adjust for above change.  Save a copy of
371         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
372         note are substituted in the second instruction.
373         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
374         ditch the note if it pertains to the second eliminated register
375         and this register is mentioned in i2mod_old_rhs.
377         Revert:
378         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
380         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
381         the insn to which the note was originally attached.
383 2007-01-21  Jan Hubicka  <jh@suse.cz>
385         * ipa-inline.c (inlining_mode): Comment, move up.
386         (cgraph_decide_inlining_incrementally): Do not perform inlining
387         itself; fix handling of flattening of self recursive functions.
388         (cgraph_find_cycles): Remove.
389         (cgraph_flatten_node): Remove.
390         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
391         (try_inline): New function.
392         (cgraph_early_inlining): Update call of
393         cgraph_decide_inlining_incrementally.  Apply inlining here.
394         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
396 2007-01-21  Dirk Mueller  <dmueller@suse.de>
398         PR bootstrap/30511
399         * tree-vrp.c (check_array_bounds): do not warn
400         about ADDR_EXPR's of ARRAY_REF's which are immediately
401         used in binary expressions.
403 2007-01-21  Ira Rosen  <irar@il.ibm.com>
405         * tree-vectorizer.h (struct _stmt_vec_info): Add new field 
406         read_write_dep and macros for its access.
407         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
408         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove 
409         argument, call vect_check_interleaving for every independent pair of
410         data-refs. Mark loads that access the same memory location as a store
411         in the loop.
412         (vect_check_dependences): Remove.
413         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences 
414         call, fix the call to vect_analyze_data_ref_dependence.
415         (vect_analyze_data_ref_access): For statements that access the same 
416         data-ref, check that they are not stores; for loads, check that there
417         is no store that access the same location.
419 2007-01-20  Roger Sayle  <roger@eyesopen.com>
420             Joseph Myers  <joseph@codesourcery.com>
422         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
423         (-fdump-rtl-stack): Likewise.
424         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
425         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
426         (-mpt-fixed): Use @minus{} for minus sign.
427         (Using Precompiled Headers): Fix under/overfull hbox.
429 2007-01-20  Jan Hubicka  <jh@suse.cz>
431         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
432         place within annotation.
434 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
436         * pa.c (output_move_double): Change array size of xoperands to 4.
438 2007-01-20  Jan Hubicka  <jh@suse.cz>
440         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
441         as temporary.
443 2007-01-19  Ian Lance Taylor  <iant@google.com>
445         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
446         constant to unsigned HOST_WIDE_INT before negating.
448 2007-01-19  Ian Lance Taylor  <iant@google.com>
450         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
451         to unsigned.
452         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
453         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
454         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
455         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
456         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
457         (realloc_vdef, realloc_vuse): Change second parameter to
458         unsigned.
459         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
460         fields to unsigned.
461         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
462         unsigned. Change x and lim locals to unsigned.
463         (realloc_vdef, realloc_vuse): Change num_elem parameter to
464         unsigned.
465         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
466         (copy_virtual_operands): Change i and n locals to unsigned.
468 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
470         PR middle-end/29335
471         * builtins.c (fold_builtin_1): Handle builtin fdim.
473 2007-01-20  Jan Hubicka  <jh@suse.cz>
475         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
476         * tree-ssa-structalias.c (compute_points_to_sets): Do call
477         init_alias_heapvars.
478         (init_alias_heapvars): Initialize only when not already initialized.
479         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
481 2007-01-19  Roger Sayle  <roger@eyesopen.com>
483         * common.opt (fsigned-zeros): New command line option.
484         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
485         of flag_unsafe_math_optimizations.
486         * opts.c (set_fast_math_flags): The -ffast-math command line option
487         implies -fno-signed-zeros.
488         (fast_math_flags_set_p): Likewise.
490         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
491         the documentation of -ffast-math appropriately.  Wrap long lines.
493 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
495         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
496         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
498 2007-01-19  Tomas Bily  <tbily@suse.cz>
500         * cgraphunit.c (cgraph_finalize_function): Updating of pid
501         * tree-profile.c:
502         (tree_init_ic_make_global_vars): New function
503         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
504         (tree_gen_ic_profiler): New function
505         (tree_gen_ic_func_profiler): New function
506         (tree_profiling): Added calling of tree_gen_ic_func_profiler
507         (tree_profile_hooks): Added hook for indirec/virtual calls
508         * value-prof.c (tree_find_values_to_profile): New case for
509         indirect calls
510         (tree_values_to_profile): Call for determining indirect/virtual
511         counters
512         (tree_indirect_call_to_profile): New function
513         (tree_ic_transform): New function
514         (tree_ic): New function
515         (find_func_by_pid): New function
516         (init_pid_map): New function
517         (tree_value_profile_transformations): Added check for
518         indirect/virtual call transformation
519         * value-prof.h (enum hist_type): New counter type for
520         indirect/virtual calls
521         (profile_hooks): Added new hook for profiling indirect/virtual
522         calls
523         * profile.c (instrument_values): New case for indirect/virtual
524         call added
525         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
526         (GCOV_COUNTER_V_INDIR): New counter type
527         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
528         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
529         call added
530         * cgraph.c: Definition of cgraph_max_pid
531         (cgraph_create_node): Default init of pid attribute
532         * cgraph.h: Declaration of cgraph_max_pid
533         (struct cgraph_node): Added pid attribute
534         * libgcov.c (__gcov_indirect_call_profiler): New function
535         (__gcov_one_value_profiler_body): New function
536         (__gcov_one_value_profiler): Body was moved to
537         __gcov_one_value_profiler_body and calls it
539 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
540         
541         * doc/gty.texi (Options): Document the mark_hook option to GTY.
542         * gengtype.c (write_types_data, write_func_for_structure,
543         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
544         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
545         (walk_type, write_func_for_structure): Generate the mark_hook if
546         needed.
548 2007-01-19  Jan Hubicka  <jh@suse.cz>
550         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
551         'early' argument take inlining mode argument specifying whether to
552         inline for size/speeed or all functions; add support for flattening;
553         improve dumpting.
554         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
556 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
558         PR c++/17947
559         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
560         the name of the declared identifier.
561                 
562 2007-01-19  Dirk Mueller  <dmueller@suse.de>
564         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
565         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
566         duplicate evaluation.
568 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
570         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
571         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
572         to XFMode, use acosxf2 and truncate result to requested mode.
573         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
574         (asin<mode>2): Similarly, with asin expanders.
575         (*fscalexf4_i387): Rename from *fscalexf4.
576         (expNcorexf3): New expander.
577         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
578         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
579         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
580         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
581         patterns for SSE math.
582         (exp10<mode>2): Similarly, with exp10 expanders.
583         (exp2<mode>2): Similarly, with exp2 expanders.
584         (expm1<mode>2): Similarly, with expm1 expanders.
585         (ldexp<mode>3): Similarly, with ldexp expanders.
586         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
587         Use gen_truncxf<mode>2_i387_noop to truncate result.
589 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
591         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
592         for ColdFire targets.
594 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
595             Richard Sandiford  <richard@codesourcery.com>
597         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
598         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
599         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
600         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
601         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
602         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
604 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
606         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
607         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
608         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
609         (*adddi_dilshr32_cf): New pattern.
610         (adddi3, subdi3): Remove first alternatives.
612 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
614         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
615         implemented using move.l, do not use its cc result for floating-point
616         comparisons.
618 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
620         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
621         from accepting 's' constraints if flag_pic.
623 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
625         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
626         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
627         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
628         condition from TARGET_68881 to TARGET_HARD_FLOAT.
630 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
632         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
633         ColdFire alternatives.
634         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
635         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
636         architectures that support ff1 instruction.
638 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
639             Julian Brown  <julian@codesourcery.com>
641         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
642         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
643         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
644         Add commentary.
646 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
648         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
649         and return a bool.
650         (output_move_const_into_data_reg, output_move_simode_const): Delete.
651         * config/m68k/m68k.c (const_method, const_int_cost): Take a
652         HOST_WIDE_INT instead of an rtx.
653         (m68k_rtx_costs): Update call accordingly.
654         (output_move_const_into_data_reg): Likewise.  Fix formatting.
655         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
656         Return a bool.
657         (output_move_simode_const): Update calls after above changes.
658         Rework to use automatic variables and predicates like MEM_P.
659         * config/m68k/m68k.md (pushexthisi_const): Update call to
660         valid_mov3q_const.
662 2007-01-19  Dirk Mueller  <dmueller@suse.de>
664         * tree-ssa-alias.c (perform_var_substitution): Fix typo
665         in dump_flags test.
667 2007-01-19  Richard Guenther  <rguenther@suse.de>
669         * builtins.c (expand_builtin_cexpi): Fall back to expanding
670         via cexp in case sincos is not available.
672 2007-01-19  Richard Guenther  <rguenther@suse.de>
674         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
675         * defaults.h (TARGET_HAS_SINCOS): Default to off.
676         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
677         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
678         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
679         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
680         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
681         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
683 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
685         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
686         New insn patterns.
687         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
688         (atan2xf3): Directly generate RTL pattern.
689         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
690         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
691         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
692         disable patterns for SSE math.
693         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
694         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
695         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
696         disable patterns for SSE math.
698 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
700         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
702 2007-01-18  Roger Sayle  <roger@eyesopen.com>
704         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
705         VIEW_CONVERT_EXPR to the same type as it's operand.
707 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
709         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
710         configured for long double 128.
712 2007-01-18  Mike Stump  <mrs@apple.com>
714         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
715         error.
717 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
719         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
720         type correct.
722 2007-01-18  Jan Hubicka  <jh@suse.cz>
724         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
725         greater than NUM_VOP_FREE_BUCKETS.
727 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
729         * tree-ssa-structalias.c: Update comments.
730         (ptabitmap_obstack): Removed.
731         (pta_obstack): New.
732         (oldpta_obstack): Ditto.
733         (stats): Add a few members.
734         (struct variable_info): Remove node, complex, address_taken, and
735         indirect_target members. Add oldsolution member.
736         (new_var_info): Do not initialize removed members.
737         (constraint_expr_type): Remove INCLUDES.
738         (constraint_graph): Add size, implicit_preds, rep,
739         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
740         (FIRST_REF_NODE): New macro.
741         (LAST_REF_NODE): Ditto.
742         (FIRST_ADDR_NODE): Ditto.
743         (find): New function.
744         (unite): Ditto.
745         (dump_constraint): Do not handle INCLUDES.
746         (insert_into_complex): Do not insert duplicate constraints.
747         (condense_varmap_nodes): Renamed and rewritten into ...
748         (merge_node_constraints): This. Also fix bug in handling of
749         offseted copy constraints.
750         (clear_edges_for_node): No longer need to deal with preds at all,
751         or removing associated preds/succs. 
752         (merge_graph_nodes): Deal with indirect_cycles.
753         Don't deal with predecessors.
754         (add_implicit_graph_edge): New function.
755         (add_pred_graph_edge): Ditto.
756         (add_graph_edge): Don't deal with predecessors.
757         (build_constraint_graph): Removed.
758         (build_pred_graph): New function.
759         (build_succ_graph): Ditto.
760         (struct scc_info): Removed in_component. Added roots, dfs, and
761         node_mapping. Remove visited_index, unification_queue.
762         (scc_visit): Deal with union-find we do now.
763         Deal with cycles with REF nodes.
764         (collapse_nodes): Renamed and rewritten to ...
765         (unify_nodes): This.
766         (process_unification_queue): Removed.
767         (topo_visit): Cleanup
768         (do_da_constraint): Use find.
769         (do_sd_constraint): Ditto.
770         (do_ds_constraint): Ditto.
771         (do_complex_constraint): Ditto.
772         (init_scc_info): Update for removed and added members.
773         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
774         (find_indirect_cycles): This.
775         (equivalence_class): New variable.
776         (label_visit): New function.
777         (perform_variable_substitution): Rewritten.
778         (free_var_substitution_info): New function.
779         (find_equivalent_node): Ditto.
780         (move_complex_constraints): Ditto.
781         (eliminate_indirect_cycles): Ditto.
782         (solve_graph): Only propagate changed bits.
783         Use indirect cycle elimination.
784         Use find.
785         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
786         (tree_id_eq): Renamed to ...
787         (tree_vi_eq): This. Update for member change
788         (insert_id_for_tree): Renamed and rewritten to ...
789         (insert_vi_for_tree): This.
790         (lookup_id_for_tree): Renamed and rewritten to ...
791         (lookup_vi_for_tree): This.
792         (get_id_for_tree): Renamed and rewritten to ...
793         (get_vi_for_tree): Ditto.
794         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
795         (process_constraint): Don't handle INCLUDES.
796         Remove special ADDRESSOF case.
797         (find_func_aliases): Rewrite to use vi functions instead of id
798         ones.
799         (create_function_info_for): Ditto.
800         (create_variable_info_for): Ditto.
801         (intra_create_variable_infos): Ditto.
802         (merge_smts_into): Ditto.
803         (find_what_p_points_to): Ditto.
804         (init_base_vars): Ditto.
805         (init_alias_vars): Ditto.
806         (remove_preds_and_fake_succs): New function.
807         (dump_sa_points_to_info): Dump new stats.
808         (dump_solution_for_var): Use find.
809         (set_used_smts): Fix formatting.
810         (compute_points_to_sets): Updated for new functions.
811         (ipa_pta_execute): Ditto.
813 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
814             Richard Sandiford  <richard@codesourcery.com>
816         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
817         parallels.
818         * calls.c (expand_call): If the return value is a PARALLEL,
819         extract its first member.
820         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
821         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
822         use FUNCTION_EXTRA_EPILOGUE.
823         (m68k_function_value): Return a PARALLEL if the return value
824         is of a pointer type.
825         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
826         (FUNCTION_EXTRA_EPILOGUE): Remove.
827         * config/m68k/m68k.md (D0_REG): New constant.
829 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
831         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
832         output a NOP for empty epilogues.
834 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
836         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
837         before function.  Extend register save check to include all
838         registers, not just integer ones.
840 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
842         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
843         (m68k_use_return_insn): ...this.
844         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
845         * config/m68k/m68k.c (use_return_insn): Rename to...
846         (m68k_use_return_insn): ...this.
847         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
848         of USE_RETURN_INSN.
850 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
852         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
853         nearest even, fix denormal rounding overflow.
855 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
857         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
858         f%$smove and f%$move.
859         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
860         (extendsfdf2_cf): Use fdmove instead of f%&move.
861         (truncdfsf2_cf): Use fsmove instead of f%$smove.
862         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
864 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
866         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
867         GPR<-GPR moves.
869 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
871         * real.h (real_format): Add a canonical_nan_lsbs_set field.
872         (coldfire_single_format): Declare.
873         (coldfire_double_format): Likewise.
874         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
875         of qnan_msb_set to determine the lower bits of a canonical
876         NaN significand.
877         (encode_ieee_double): Likewise.
878         (encode_ieee_quad): Likewise.
879         (ieee_single_format): Initialize canonical_nan_lsbs_set.
880         (mips_single_format): Likewise.
881         (ieee_double_format): Likewise.
882         (mips_double_format): Likewise.
883         (ieee_extended_motorola_format): Likewise.
884         (ieee_extended_intel_96_format): Likewise.
885         (ieee_extended_intel_128_format): Likewise.
886         (ieee_extended_intel_96_round_53_format): Likewise.
887         (ibm_extended_format): Likewise.
888         (mips_extended_format): Likewise.
889         (ieee_quad_format): Likewise.
890         (mips_quad_format): Likewise.
891         (vax_f_format): Likewise.
892         (vax_d_format): Likewise.
893         (vax_g_format): Likewise.
894         (i370_single_format): Likewise.
895         (i370_double_format): Likewise.
896         (decimal_single_format): Likewise.
897         (decimal_double_format): Likewise.
898         (decimal_quad_format): Likewise.
899         (c4x_single_format): Likewise.
900         (c4x_extended_format): Likewise.
901         (real_internal_format): Likewise.
902         (coldfire_single_format): New real_format.
903         (coldfire_double_format): Likewise.
904         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
905         canonical_nan_lsbs_set.
906         (pdp11_d_format): Likewise.
907         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
908         if TARGET_COLDFIRE_CPU.
910 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
912         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
913         (output_call, m68k_legitimize_call_address): Declare.
914         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
915         parenthesees.  Add support for a 'W' constraint.
916         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
917         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
918         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
919         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
920         variables.
921         (override_options): Initialize them.  Do not set flag_no_function_cse
922         for TARGET_ID_SHARED_LIBRARY.
923         (m68k_output_pic_call): Delete.
924         (m68k_legitimize_call_address): New function.
925         (print_operand): Remove the %o prefix.  Handle the %p prefix.
926         (output_call): New function.
927         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
928         target address from the GOT if symbolic jumps are not allowed.
929         * config/m68k/m68k.md (call, general_operand): Do not set
930         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
931         Merge separate flag_pic and !flag_pic define_insns into...
932         (*call, *call_value): ...these new patterns.  Match the address
933         rather than the containing MEM and require it to be a call_operand.
934         Use output_call to generate the asm template.
935         * config/m68k/predicates.md (const_call_operand): New predicate.
936         (call_operand): Likewise.
938 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
940         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
941         (STACK_GROWS_DOWNWARD): Define to 1.
942         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
943         comments, emphasizing that these values are only defaults.
944         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
945         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
947 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
949         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
951 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
952             Richard Sandiford  <richard@codesourcery.com>
954         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
955         (FP_REGNO_P): New macros.
956         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
957         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
958         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
959         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
961 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
963         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
964         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
965         to $tmake_file.
966         * config/m68k/t-floatlib: New file, extracting common code from...
967         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
968         * config/m68k/t-uclinux: Here.
969         * config/m68k/fpgnulib.c: Do not compile extendeed precision
970         routines on ColdFire targets.
972 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
974         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
975         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
976         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
977         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
978         explicitly set MOTOROLA to 1.
979         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
981 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
982             Nathan Sidwell  <nathan@codesourcery.com>
984         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
985         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
986         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
987         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
988         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
989         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
990         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
991         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
992         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
993         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
994         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
995         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
996         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
997         (DBX_REGISTER_NUMBER): Delete.
998         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
999         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1000         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1002 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1004         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1005         * config/flat.h: New file.
1006         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1007         OBJECT_FORMAT_FLAT.
1008         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1009         indirect references for -msep-data or -mid-shared-library.
1010         Do not use PC-relative code addresses either.
1011         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1012         to -mpcrel.
1013         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1014         for shared libraries and crt1.o for executables.  Use crti.o and
1015         crtbegin.o.
1016         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1017         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1018         Do not add -elf2flt or -shared-lib-id options here.
1019         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1020         Pass -shared-lib-id if -mid-shared-library, taking the library
1021         identifier from -mshared-library-id if given, otherwise
1022         defaulting to 0.
1023         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1024         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1025         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1026         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1027         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1028         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1029         and crtend.o.
1030         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1031         jump sequence for ISA A and ISA A+.
1032         (PICJUMP): Likewise.
1034 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1036         * config.gcc (m68k-*-uclinux*): Base the port on the common
1037         and m68k GNU/Linux files rather than on the generic ELF ones.
1038         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1039         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1041 2007-01-18  Julian Brown  <julian@codesourcery.com>
1042             Richard Sandiford  <richard@codesourcery.com>
1044         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1045         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1046         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1047         before redefining.
1048         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1049         80 unconditionally.
1050         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1054         * doc/install.texi: Document m68k-uclinuxoldabi.
1055         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1056         * config/m68k/uclinux-oldabi.h: New file, copied from
1057         config/m68k/uclinux.h.
1059 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1061         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1062         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1063         (m32r_compute_frame_size): Use unsigned for regno.
1064         (m32r_reload_lr): Use gen_frame_mem.
1065         (pop): New.
1066         (m32r_output_function_epilogue): Don't output the function epilogue
1067         textually here.
1068         (m32r_expand_epilogue): New.
1069         (direct_return): Return false if the function has the interrupt
1070         attribute.
1071         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1072         * config/m32r/m32r.md (epilogue): New expander.
1073         (return_lr, return_rte): New insns.
1074         (return): Make it expander.
1075         (return_normal): New expander.
1077 2007-01-18  Josh Conner  <jconner@apple.com>
1079         PR target/30485
1080         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1081         support for UNLE, UNLT, UNGE, and UNGT.
1083 2007-01-18  Jan Hubicka  <jh@suse.cz>
1085         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1086         * tree-tailcall (add_virtual_phis): Likewise.
1087         (optimize_tail_call): Return TODOs.
1088         (execute_tail_calls): Return TODOs.
1089         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1090         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1091         changed.
1092         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1093         Cleanup cfg using TODO.
1094         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1095         * passes.c (execute_function_todo): When cleanup did something, remove
1096         unused locals.
1097         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1098         (make_edges): Don't cleanup_cfg.
1100 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1102         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1103         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1104         operate on the top of stack.
1105         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1106         register handling of instructions that output to the second
1107         stack slot.
1108         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1109         (move_for_stack_reg): Special-case check for dead destination
1110         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1112         * config/i386/i386.md (UNSPEC_TAN): New constant.
1113         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1114         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1115         to correctly model move of constant 1.0 to top stack slot.
1116         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1117         (unnamed peephole2 pattern): Remove corresponding peephole2
1118         pattern that optimizes tan insn and loading of constant 1.0.
1119         (tanxf2): Use fptanxf4_i387.
1120         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1121         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1122         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1123         disable patterns for SSE math.
1124         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1125         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1127 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1128             Richard Guenther <rguenther@suse.de>
1130         PR diagnostic/8268
1131         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1132         * common.opt (Warray-bounds): Add new warning option.
1133         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1134         if -Wall is given.
1135         * Makefile.in: make tree-vrp.o depend on toplev.h
1136         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1137         is enabled.
1138         (check_array_refs, check_array_bounds, check_array_ref): New.
1140 2007-01-18  Jan Hubicka  <jh@suse.cz>
1142         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1143         (execute_ssa_ccp): Return flags conditionally.
1144         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1145         changed.
1146         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1148 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1150         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1151         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1153         * Makefile.c (GTFILES): Add cfglayout.h.
1154         * gengtype.c (open_base_files): Likewise.
1155         * cfglayout.c (cfg_layout_function_footer,
1156         cfg_layout_function_header) Reindent to make gengtype happy.
1157         * cfglayout.h (cfg_layout_function_footer,
1158         cfg_layout_function_header): Add GTY(()) marker.
1160         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1162 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1164         * genautomata.c (write_automata): Include xstrerror output in the
1165         error message if writing the DFA description file fails.
1167 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1169         * config/mips/mips-protos.h (mips_output_external): Make it
1170         return void.
1171         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1172         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1173         (extern_list): Likewise.
1174         (extern_head): Likewise.
1175         (TARGET_ASM_FILE_END): Likewise.
1176         (mips_file_end): Likewise.
1177         (mips_output_external): Rewritten.
1179 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1181         * genpreds.c (write_insn_preds_c): Only write out the function
1182         body for regclass_for_constraint if we have register constraints.
1184 2007-01-17  Tom Tromey  <tromey@redhat.com>
1186         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1187         * doc/install.texi (Testing): Use sourceware.org.
1188         (Binaries): Likewise.
1189         (Specific): Likewise.
1190         * doc/contrib.texi (Contributors): Use sourceware.org.
1192 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1194         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1195         (AVR_ENHANCED): Rename to ...
1196         (AVR_HAVE_MUL): ... new.
1197         (avr_enhanced_p): Rename to ...
1198         (avr_have_mul_p): ... new.
1199         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
1200         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1201         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1202         (avr_have_mul_p): ... new.
1203         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1204         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1205         'avr_enhanced_p' and 'enhanced'.
1206         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
1207         AVR_HAVE_MUL instead of AVR_ENHANCED.
1208         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1209         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
1210         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
1211         instead of AVR_ENHANCED.
1212         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1213         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1214         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1216 2007-01-17  Ian Lance Taylor  <iant@google.com>
1218         * vec.h (VEC_reserve_exact): Define.
1219         (vec_gc_p_reserve_exact): Declare.
1220         (vec_gc_o_reserve_exact): Declare.
1221         (vec_heap_p_reserve_exact): Declare.
1222         (vec_heap_o_reserve_exact): Declare.
1223         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1224         versions.
1225         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1226         negative parameter.
1227         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1228         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1229         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1230         * vec.c (calculate_allocation): Add exact parameter.  Change all
1231         callers.
1232         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1233         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1234         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1235         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1236         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1237         (vec_heap_p_reserve_exact): New function.
1238         (vec_heap_o_reserve_exact): New function.
1240 2007-01-17  Jan Hubicka  <jh@suse.cz>
1242         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1244 2007-01-17  Eric Christopher  <echristo@apple.com>
1246         * config.gcc: Support core2 processor.
1248 2007-01-16  Jan Hubicka  <jh@suse.cz>
1250         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1251         the names, just unlink the chain so we don't crash on dangling pointers
1252         to dead SSA names.
1254 2007-01-16  Jan Hubicka  <jh@suse.cz>
1256         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1257         * tree-pass.h: Reorder to make IPA passes appear toegher.
1258         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1259         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1260         parameters, do not call early inliner.
1261         * ipa-inline.c: Update comments.  Include tree-flow.h
1262         (cgraph_decide_inlining): Do not compute inlining parameters.
1263         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1264         be called with function context set up.
1265         (pass_ipa_inline): Remove unreachable functions before pass.
1266         (cgraph_early_inlining): Simplify assuming to be called from the
1267         PM as local pass.
1268         (pass_early_inline): New pass.
1269         (cgraph_gate_ipa_early_inlining): New gate.
1270         (pass_ipa_early_inline): Turn into simple wrapper.
1271         (compute_inline_parameters): New function.
1272         (gate_inline_passes): New gate.
1273         (pass_inline_parameters): New pass.
1274         (apply_inline): Move here from tree-optimize.c
1275         (pass_apply_inline): New pass.
1276         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1277         transforming.
1278         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1279         doing them by hand.
1280         (tree_function_versioning): Do not allocate dummy struct function.
1281         * tree-inline.h (optimize_inline_calls): Update prototype.
1282         * tree-optimize.c (execute_fixup_cfg): Export.
1283         (pass_fixup_cfg): Remove
1284         (tree_rest_of_compilation): Do not apply inlines.
1285         * tree-flow.h (execute_fixup_cfg): Declare.
1286         * Makefile.in (gt-passes.c): New.
1287         * passes.c: Include gt-passes.h
1288         (init_optimization_passes): New passes.
1289         (nnodes, order): New static vars.
1290         (do_per_function_toporder): New function.
1291         (execute_one_pass): Dump current pass here.
1292         (execute_ipa_pass_list): Don't dump current pass here.
1294 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1296         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1297         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1299 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1301         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1302         (strong_alias): Define.
1303         (__gcc_qmul): Provide non-FMA for soft-float.
1304         (__gcc_qdiv): Same.
1305         (__gcc_qneg): New.
1306         (__gcc_qeq): New.
1307         (__gcc_qle): New.
1308         (__gcc_qge): New.
1309         (__gcc_qunord): New.
1310         (__gcc_stoq): New.
1311         (__gcc_dtoq): New.
1312         (__gcc_qtos): New.
1313         (__gcc_qtod): New.
1314         (__gcc_qtoi): New.
1315         (__gcc_qtou): New.
1316         (__gcc_itoq): New.
1317         (__gcc_utoq): New.
1318         (fmsub): New.
1319         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1320         soft-float functions.
1321         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1322         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1323         about long double soft float.
1325 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1326             Tehila Meyzels  <tehila@il.ibm.com>
1328         * tree-vectorizer.h (is_pattern_stmt_p): New.
1329         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1330         formatting (tabs instead of spaces). Cleanup and clarify setting
1331         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1332         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1333         (vectorizable_type_demotion): Check that types are integral.
1334         (vectorizable_type_promotion): Likewise.
1335         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1336         comments.
1338 2007-01-16  Jan Hubicka  <jh@suse.cz>
1340         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1341         cgraph edges too.
1343 2007-01-15  Eric Christopher  <echristo@apple.com>
1345         * ifcvt.c: Include vec.h, vecprim.h.
1346         (check_cond_move_block): New argument regs.
1347         Reorganize. Add registers used to regs.
1348         (cond_move_process_if_block): Use regs set above as
1349         loop bounds.
1351 2007-01-15  Eric Christopher  <echristo@apple.com>
1353         * config/darwin.h: Update copyright.
1354         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1355         (LINK_COMMAND_SPEC): Add -u.
1356         (LINK_SPEC): Fix umbrella for above.
1358 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1360         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1361         glibc CVS.
1363 2007-01-15  Tom Tromey  <tromey@redhat.com>
1365         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1366         * doc/install.texi (Testing): Don't mention jacks.
1367         (Configuration): Document --enable-java-maintainer-mode.  Move
1368         --with-java-home to libgcj-specific section.  Document
1369         --with-ecj-jar.
1370         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1372 2007-01-15  Jan Hubicka  <jh@suse.cz>
1374         * tree-ssa-dce.c (DCE_TODOs): New.
1375         (propagate_necessity): Return if something changed.
1376         (eliminate_unnecessary_stmts): Likewise.
1377         (perform_tree_ssa_dce): Return TODO flags when needed.
1378         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1380 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1382         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1383         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1384         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1385         patterns using X87MODEF12 mode macro.  Extend operand 1
1386         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1387         (log10<mode>2): Ditto.
1388         (log2<mode>2): Ditto.
1389         (log1p<mode>2): Ditto.
1390         (logb<mode>2): Ditto.
1391         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1392         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1393         (*fxtractxf3_i387): Rename from *fxtractxf3.
1394         (fxtract_extend<mode>xf3_i387): New insn pattern.
1395         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1396         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1397         and gen_fyl2xxf3_i387().
1399 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1401         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1402         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1403         get_loop_exit_edges.  Changed return type to bool.
1404         * cfgloop.h (fix_loop_placement): Declaration removed.
1406 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1408         * param.h (MIN_VECT_LOOP_BOUND): New.
1409         * params.def (MIN_VECT_LOOP_BOUND): New.
1410         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1411         argument - minimum threshold for number of iterations.
1412         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1413         argument to declaration.
1414         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1415         MIN_VECT_LOOP_BOUND.
1416         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1417         slpeel_tree_peel_loop_to_edge with additional argument.
1418         (vect_do_peeling_for_alignment): Likewise.
1419         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1421 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1423         PR target/30413
1424         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1425         operands of size 1.
1427 2007-01-14  Jan Hubicka  <jh@suse.cz>
1429         * tree-dfa.c (remove_referenced_var): New function.
1430         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1431         prune referenced vars list too.
1432         * tree-flow.h (remove_referenced_var): Declare.
1434 2007-01-14  Jan Hubicka  <jh@suse.cz>
1436         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1437         separately.
1438         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1439         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1440         * except.h (verify_eh_throw_table_statements): Kill prototype.
1441         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1442         into call exrepssions.
1443         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1444         eh trhow verifier.
1445         * tree-cfg.c: Include pointer-set.h.
1446         (verify_node_sharing): Work on pointer set.
1447         (verify_eh_throw_stmt_node): New.
1448         (verify_stmts): Use pointers sets, verify throw_stmt.
1450 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1452         * ipa-reference.c (analyze_function): Consider also addresses taken
1453         in phi nodes.
1455 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1457         * c-typeck.c (null_pointer_constant_p): Replace use of
1458         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1459         (build_c_cast): Likewise.
1461 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1463         * tree.h (force_fit_type_double): Remove unused final argument.
1464         * c-common.c (constant_expression_warning): Replace use of
1465         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1466         (convert_and_check): Likewise.
1467         (shorten_compare): Update call to force_fit_type_double.
1468         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1469         * convert.c (convert_to_pointer): Update call to
1470         force_fit_type_double.
1471         * fold-const.c (force_fit_type_double): Remove overflowed_const
1472         argument.
1473         (int_const_binop, fold_convert_const_int_from_int,
1474         fold_convert_const_int_from_real, fold_div_compare,
1475         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1476         fold_abs_const, fold_not_const): Remove the final argument from
1477         calls to force_fit_type_double.
1479 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1481         * configure.ac: Set insn to "nop" for spu-*-* also.
1482         * configure: Regenerate.
1484 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1486         * builtins.def : Add BUILT_IN_FREE.
1488 2007-01-12  Jan Hubicka  <jh@suse.cz>
1490         PR tree-optimization/30443
1491         * tree-inline.c (tree_function_versioning): Do not optimize when
1492         cloning for inlining.
1494 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1496         * doc/loop.texi: Document recording of loop exits.
1497         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1498         (update_single_exits_after_duplication,
1499         update_single_exit_for_duplicated_loop,
1500         update_single_exit_for_duplicated_loops): Removed.
1501         (duplicate_loop_to_header_edge): Do not call
1502         update_single_exits_after_duplication and
1503         update_single_exit_for_duplicated_loops.
1504         (loop_version): Do not update single_exit information.
1505         (fix_loop_structure): Use record_loop_exits instead of
1506         mark_single_exit_loops.
1507         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1508         the lists of loop exits.
1509         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1510         split_edge, merge_blocks): Update the lists of loop exits.
1511         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1512         loop_optimizer_init.
1513         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1514         of mark_single_exit_loops.
1515         (loop_optimizer_finalize): Call release_recorded_exits.
1516         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1517         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1518         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1519         update single exit information.
1520         * lambda-code.c (perfect_nestify): Ditto.
1521         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1522         (mark_single_exit_loops): Removed.
1523         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1524         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1525         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1526         functions.
1527         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1528         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1529         (verify_loop_structure): Verify consistency of the exit lists.
1530         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1531         (set_single_exit): Removed.
1532         * cfgloop.h (struct loop_exit): New function.
1533         (struct loop): single_exit_ field replaced by exits field.
1534         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1535         (struct loops): Added exits hash.
1536         (mark_single_exit_loops, set_single_exit): Declaration removed.
1537         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1539 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1541         * doc/invoke.texi: Avoid use of @headitem.
1543 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1545         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1547 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1549         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1550         list of targets.
1552 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1553             Richard Sandiford  <richard@codesourcery.com>
1555         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1556         * config/m68k/m68k.opt: Resort options.
1557         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1559 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1560             Richard Sandiford  <richard@codesourcery.com>
1562         * doc/invoke.texi: Document the macros that are defined by
1563         m68k's -mtune and -mhard-float options.
1564         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1565         (m68k_cpp_cpu_family): Likewise.
1566         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1567         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1568         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1569         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1570         (m68k_cpp_cpu_family): Likewise.
1572 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1574         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1575         macros besides mc68000 as tuning macros.  Use a switch statement
1576         to set them and mcpu32.
1578 2007-01-12  Julian Brown  <julian@codesourcery.com>
1580         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1581         (TARGET_68040_ONLY): Rename to...
1582         (TARGET_68040): ...this.
1583         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1584         * config/m68k/m68k.md: Likewise.
1586 2007-01-12  Julian Brown  <julian@codesourcery.com>
1587             Nathan Sidwell  <nathan@codesourcery.com>
1588             Richard Sandiford  <richard@codesourcery.com>
1590         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1591         the -mcpu= argument associated with the --with-cpu setting.
1592         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1593         if different from the one implied by the -mcpu setting.
1594         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1595         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1596         * doc/invoke.texi: Mention ColdFire in the introduction to the
1597         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1598         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1599         -mhard-float.  Document the previously-undocumented -m5206e,
1600         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1601         documentation for consistency.
1602         * doc/install.texi: Mention new --with-cpu arguments.
1603         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1604         default CPU if neither -mcpu nor -march are specified.
1605         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1606         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1607         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1608         using m68k_tune to decide between families that implement the
1609         same ISA.  Use m68k_tune to set __mcfv4e__.
1610         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1611         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1612         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1613         (FL_ISA_C, FL_ISA_MMU): New macros.
1614         (MASK_COLDFIRE): Delete.
1615         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1616         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1617         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1618         (TARGET_HARD_FLOAT): Do not define here.
1619         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1620         (TUNE_68000): New macro.
1621         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1622         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1623         (TUNE_CFV2): Redefine in terms of m68k_tune.
1624         (uarch_type, target_device, fpu_type): New enums.
1625         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1626         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1627         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1628         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1629         (FL_FOR_isa_c): New macros.
1630         (m68k_isa): New enum.
1631         (m68k_target_selection): New structure.
1632         (all_devices, all_isas, all_microarchs): New tables.
1633         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1634         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1635         (MASK_ALL_CPU_BITS): Delete.
1636         (m68k_find_selection): New function.
1637         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1638         Map the legacy target options to a combination of the new ones.
1639         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1640         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1641         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1642         settings.
1643         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1644         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1645         properties.
1646         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1647         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1648         * config/m68k/m68k-devices.def: New file.
1650 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1651             Nathan Sidwell  <nathan@codesourcery.com>
1653         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1654         (SUBTARGET_EXTRA_SPECS): New macros.
1655         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1656         use %(asm_cpu_spec) instead.
1657         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1658         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1659         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1660         (EXTRA_SPECS): Rename to...
1661         (SUBTARGET_EXTRA_SPECS): ...this.
1663 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1664             Richard Sandiford  <richard@codesourcery.com>
1665             Julian Brown  <julian@codesourcery.com>
1667         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1668         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1669         to the configuration's default CPU.
1670         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1671         Remove default masks.
1672         (m680[012]0-*-*): Set the default with_cpu to the first part of
1673         the target name.
1674         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1675         (m68k*-*-linux): Extend the --with-cpu handling to...
1676         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1677         and m68010.  Don't set target_cpu_default2.
1678         * doc/install.texi: Document --with-cpu for m68k.
1679         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1680         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1681         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1682         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1683         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1684         (ASM_SPEC): Remove use of %(asm_cpu_default).
1685         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1686         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1687         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1688         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1689         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1690         (TARGET_DEFAULT): Delete.
1691         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1692         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1693         (CPP_CPU_SPEC): Delete.
1694         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1695         the appropriate string.
1696         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1697         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1698         (ASM_SPEC): Don't use %(asm_default_spec).
1699         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1700         TARGET_DEFAULT and add MASK_68881.
1701         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1703 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1705         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1706         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1707         MASK_68010 alongside MASK_68020.
1708         * doc/invoke.texi: Document -m68010.
1709         * config/m68k/m68k.opt (m68010): New.
1710         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1711         if TUNE_68010.
1712         (TUNE_68010): New macro.
1713         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1714         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1715         (M68K_CPU_m68332): Add MASK_68010.
1716         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1717         fallback definition.
1718         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1719         defines.
1720         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1721         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1722         to all entries that use MASK_68020.
1723         (output_move_simode_const, output_move_himode, output_move_qimode)
1724         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1725         instead of TARGET_68020 to select clr behavior.  Remove comment
1726         about there being no TARGET_68010.
1727         * config/m68k/m68k.md: Likewise throughout.
1729 2007-01-12  Julian Brown  <julian@codesourcery.com>
1731         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1732         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1733         * config/m68k/m68k.md: Likewise.
1735 2007-01-12  Julian Brown  <julian@codesourcery.com>
1737         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1738         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1740 2007-01-12  Julian Brown  <julian@codesourcery.com>
1742         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1743         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1744         * config/m68k/m68k.md: Likewise.
1746 2007-01-12  Julian Brown  <julian@codesourcery.com>
1747             Richard Sandiford  <richard@codesourcery.com>
1749         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1750         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1751         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1752         TARGET_CPU32.
1753         (TARGET_CPU32): Rename to...
1754         (TUNE_CPU32): ...this.
1755         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1756         (TUNE_CFV2): New macros.
1757         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1758         remove conditions that are implied by TARGET_68020.
1759         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1760         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1761         (m68k_output_function_epilogue): Likewise.
1762         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1763         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1764         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1765         non-68000 timings.  Refactor multiplication and division costs.
1766         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1767         TUNE_CPU32 instead of TARGET_CPU32.
1768         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1769         and TUNE_68060 instead of TARGET_68060.
1770         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1771         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1772         TARGET_CPU32.
1773         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1774         && !TARGET_COLDFIRE" to choose between moveq and clr.
1775         Likewise in the unnamed movsf pattern.
1776         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1777         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1778         ashiftrt pattern.
1780 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1782         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1783         of tabbing before backslashes.
1785 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1787         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1788         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1789         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1791 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1793         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1794         find_interesting_uses_cond.
1795         (find_interesting_uses_cond): Use extract_cond_operands.
1796         (rewrite_use_compare): Use extract_cond_operands and
1797         force_gimple_operand_bsi.  Do not call update_stmt.
1798         (determine_use_iv_cost_condition): Use extract_cond_operands.
1799         Return cheaper of using original bound and changing the exit bound.
1801 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1803         PR tree-optimization/29516
1804         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1805         most_expensive_mult_to_index, addr_to_parts,
1806         create_mem_ref, maybe_fold_tmr): Make the type of
1807         fields of TARGET_MEM_REF sizetype.
1808         (move_fixed_address_to_symbol, move_pointer_to_base):
1809         New functions.
1810         * tree.def (TARGET_MEM_REF): Add comment on types of
1811         the operands.
1813 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1815         * c-common.c (vector_types_convertible_p): Treat opaque types as
1816         always convertible if they have the same size, but not otherwise.
1818 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1820         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1821         Remove the b_unconditional field.
1822         (noce_try_sign_mask): Do not look at b_unconditional.
1823         (noce_process_if_block): Do not use merge_if_blocks.  Update
1824         the CFG here.  Do not set b_unconditional.
1825         (cond_move_process_if_block): Likewise.
1826         (find_cond_trap): Likewise.
1827         (check_cond_move_block): Require simple jump insns at the end
1828         of the basic block.
1830 2007-01-11  Jan Hubicka  <jh@suse.cz>
1832         PR tree-optimization/1046
1833         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1834         when alias info is not ready.
1835         (pass_tail_recursion): Do not require aliasing.
1836         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1837         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1838         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1839         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1840         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1841         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1842         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1843         before inlining.
1844         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1845         When aliasing is not build, mark statement as volatile.
1847 2007-01-11  Tom Tromey  <tromey@redhat.com>
1849         PR preprocessor/15185, PR preprocessor/20989:
1850         * doc/cppopts.texi <-MT>: Update description of algorithm for
1851         computing default target.
1852         <-M, -MD>: Reword "basename" text.
1854 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1856         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1857         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1858         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1859         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1860         fold_builtin_bswap, real_constp, fold_builtin_pow,
1861         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1862         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1863         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1864         * convert.c (convert_to_pointer): Likewise.
1865         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1866         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1867         const_binop, fold_convert_const_int_from_int,
1868         fold_convert_const_int_from_real,
1869         fold_convert_const_real_from_real, sign_bit_p,
1870         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1871         fold_sign_changed_comparison, fold_unary, fold_comparison,
1872         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1873         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1874         * print-tree.c (print_node_brief, print_node): Likewise.
1875         * stor-layout.c (place_field, layout_type): Likewise.
1876         * tree-chrec.c (keep_cast): Likewise.
1877         * tree.c (build_vector, build_real, build_real_from_int_cst,
1878         build_complex): Likewise.
1880 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1882         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1883         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1885 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1887         * configure.ac (strict1_warn): Rename to strict_warn.
1888         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1889         cc_set_by_configure, quoted_cc_set_by_configure,
1890         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1891         all_boot_languages, all_stagestuff): Remove.
1892         (target_list): Remove bootstrap targets.
1893         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1894         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1895         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1896         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1897         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1898         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1899         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1900         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1901         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1902         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1903         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1904         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1905         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1906         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1907         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1908         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1909         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1910         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1911         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1912         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1913         (mostlyclean): Adjust.
1914         (clean, distclean): Don't mention bootstrap stuff.
1915         * configure: Regenerate.
1916         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1917         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1918         treelang/config-lang.in (stagestuff): Remove.
1919         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1920         stageprofile, stagefeedback, stagestuff): Remove mention.
1922 2007-01-11  Nick Clifton  <nickc@redhat.com>
1924         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1925         Accept CONSTs.
1926         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1927         (mcore_arith_K_S_operand): Run the test for the S constraint not
1928         the test for the M constraint.
1929         (mcore_addsub_operand): Do not accept integer values that are
1930         larger than 32 bits.
1931         * config/mcore/mcore.md: Remove unused constraints from split.
1932         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1933         (addsi3): Likewise.
1934         (allocate_stack): Likewise.
1935         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1936         operands to 32 bits.
1937         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1938         INTVAL.
1939         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1940         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1941         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1942         mcore_output_bclri, mcore_output_andn, output_inline_const,
1943         mcore_output_move, mcore_output_movedouble): Likewise.
1944         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1945         (output_inline_const): Likewise.
1946         (output_inline_const): Fix format strings used in sprintf
1947         statements.
1948         * config/mcore/mcore-protos.h: Update prototypes for changed
1949         functions in mcore.c.
1950         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1951         HOST_WIDE_INT and not int.
1952         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1953         CONST_OK_FOR_N): Likewise.
1954         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1955         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1956         an INTVAL.
1958 2007-01-10  Jan Hubicka  <jh@suse.cz>
1960         * tree-vrp.c (remove_range_assertions): Release defs.
1961         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1962         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1964 2007-01-10  Paul Brook  <paul@codesourcery.com>
1966         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1967         * config/arm/arm.md (mulsi3subsi): New insn.
1969 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1971         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1972         (tree_transform_and_unroll_loop): New.
1973         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1974         Declare.
1976 2007-01-10  Robert Kennedy <jimbob@google.com>
1978         * fold-const.c (fold_comparison): Fold comparisons like (x *
1979         1000 < 0) to (x < 0).
1981 2007-01-10  Ian Lance Taylor  <iant@google.com>
1983         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1984         operands have the same priority.
1986 2007-01-10  Tom Tromey  <tromey@redhat.com>
1988         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1989         (fold_binary): Likewise.
1990         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1991         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1992         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1993         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1994         * langhooks.h (struct lang_hooks): Removed field
1995         'can_use_bit_fields_p'.
1997 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
1999         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2001 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2003         * function.c (get_last_funcdef_no): New function.
2004         * function.h (get_last_funcdef_no): Declare.
2005         * tree-inline.c (initialize_cfun): Add initialization.
2006         (tree_function_versioning): Cleanup.
2008 2007-01-10  Jan Hubicka  <jh@suse.cz>
2010         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2011         PHIs.
2013 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2014             Ben Elliston  <bje@au.ibm.com>
2016         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2017         for SAVE_NONLOCAL and Pmode for any other save level.
2018         * spu-protos.h (spu_restore_stack_block): Declare.
2019         * spu.md (save_stack_block): Remove.
2020         (restore_stack_block): Call spu_restore_stack_block.
2021         * spu.c (spu_restore_stack_block): New function.
2022         (spu_expand_epilogue): Remove old comment.
2024 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2026         PR tree-optimization/30322
2027         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2028         (cand_value_at): Return the value as aff_tree.
2029         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2030         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2031         aff_combination_mult): New functions.
2032         (aff_combination_add): Use aff_combination_add_cst.
2033         (aff_combination_convert): Allow conversions to a wider type.
2034         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2035         * tree-affine.h (aff_combination_mult): Declare.
2037 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2039         * doc/tm.texi: Update documentation to reflect reality of exec
2040         and start file search behaviours. Update copyright year.
2041         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2042         header file directories.
2044 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2046         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2047         (*cosxf2): Rename to cosxf2_i387.
2048         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2049         using X87MODEF12 mode macro. Rename patterns to
2050         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2051         for SSE math.
2052         (*cosdf2, *cossf2): Ditto.
2053         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2054         to match extended input operands.
2055         (sincos<mode>3): New expander.
2056         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2057         insn patterns and corresponding splitters.
2059 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2061         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2062         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2064 2007-01-09  Nicolas Pitre  <nico@cam.org>
2066         PR target/30173
2067         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2069 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2071         * target.h (struct gcc_target): New field library_rtti_comdat.
2072         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2073         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2074         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2075         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2077 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2079         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2081 2007-01-08  Richard Guenther  <rguenther@suse.de>
2083         * tree.h (force_fit_type_double): Export.
2084         (force_fit_type): Remove.
2085         * fold-const.c (force_fit_type_double): New function.
2086         (force_fit_type): Remove.
2087         (int_const_binop): Use it.
2088         (fold_convert_const_int_from_int): Likewise.
2089         (fold_convert_const_int_from_real): Likewise.
2090         (fold_div_compare): Likewise.
2091         (fold_sign_changed_comparison): Likewise.
2092         (fold_unary): Likewise.
2093         (fold_negate_const): Likewise.
2094         (fold_abs_const): Likewise.
2095         (fold_not_const): Likewise.
2096         * c-common.c (shorten_compare): Use force_fit_type_double.
2097         * convert.c (convert_to_pointer): Likewise.
2099 2007-01-08  Richard Guenther  <rguenther@suse.de>
2101         * tree.h (build_int_cst_wide_type): Export.
2102         * tree.c (build_int_cst_wide_type): New function.
2103         (build_int_cst_wide): Fix comment.
2104         * builtins.c (fold_builtin_object_size): Use build_int_cst
2105         to build -1 or 0 of the correct type.  Use fit_double_type
2106         to check for overflow.
2107         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2108         to build the mask.
2109         (decode_field_reference): Likewise.
2110         (all_ones_mask_p): Likewise.
2111         (native_interpret_int): Use build_int_cst_wide_type.
2112         (fold_binary): Use build_int_cst_type to build an all-ones
2113         value.
2114         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2116 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2118         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2120 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2122         * genautomata.c (STATS_OPTION): New option.
2123         (stats_flag): New flag.
2124         (gen_automata_option): Handle it.
2125         (initiate_automaton_gen): Ditto.
2126         (write_automata): Output statistics only if stats_flag is
2127         set. Likewise, output time statistics only if time_flag is set.
2128         * doc/md.texi (Processor pipeline description): Document new flag.
2130 2007-01-08  Richard Guenther  <rguenther@suse.de>
2132         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2133         * tree.c (build_int_cst_type): Likewise.
2134         (size_in_bytes): Don't call force_fit_type on the result.
2135         (int_fits_type_p): Use fit_double_type.
2136         * fold-const.c (fit_double_type): New function.
2137         (force_fit_type): Use it.
2138         * tree.h (fit_double_type): Export.
2140 2007-01-08  Jan Hubicka  <jh@suse.cz>
2142         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2143         * ipa.c (function_and_variable_visibility): Fix return type.
2145 2007-01-08  Richard Guenther  <rguenther@suse.de>
2147         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2148         of offset to build the index.
2149         * tree-pretty-print.c (dump_generic_node): Don't build negated
2150         const just for printing.
2151         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2152         * builtins.c (fold_builtin_int_roundingfn): Check if result
2153         fits the type by using force_fit_type and comparing the result.
2154         * predict.c (predict_loops): Use compare_tree_int for comparison.
2155         * tree.c (build_int_cst): Fall back to integer_type_node for
2156         NULL_TREE type.
2157         (build_int_cst_wide): Assert type is non-null.
2159 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2161         * tree-vrp.c (extract_range_from_cond_expr): New.
2162         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2163         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2164         as expressions.
2165         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2166         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2167         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2168         used as expressions.
2169         * tree-object-size.c (cond_expr_object_size): New.
2170         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2172 2007-01-08  Jan Hubicka  <jh@suse.cz>
2174         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2175         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2176         statement.
2178 2007-01-08  Richard Guenther  <rguenther@suse.de>
2180         PR tree-optimization/23603
2181         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2182         (extract_range_from_binary): Fall back to truthvalue instead of
2183         varying for TRUTH_*_EXPR.
2184         (extract_range_from_comparison): Fall back to truthvalue instead of
2185         varying.
2186         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2187         if all visited PHI values were constant.
2189 2007-01-08  Jan Hubicka  <jh@suse.cz>
2191         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2192         (cgraph_analyze_function): break out from ...
2193         (cgraph_finalize_compilation_unit): ... here.
2194         (cgraph_expand_function): Remove forgoten commented out line.
2195         (cgraph_optimize): Analyze functions.
2197 2007-01-08  Jan Hubicka  <jh@suse.cz>
2199         * tree-pas.h (TODO_remove_function): New flag.
2200         (TODO_update*): Renumber.
2201         (pass_ipa_increase_alignment,
2202         pass_ipa_function_and_variable_visibility): New passes.
2203         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2204         (cgraph_function_and_variable_visibility): Move to ipa.c
2205         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2206         cgraph_increase_alignment.
2207         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2208         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2209         calling tree-inline.
2210         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2211         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2212         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2213         (gate_increase_alignment): New function.
2214         (pass_ipa_increase_alignment): New pass.
2215         * ipa.c: Inline tree-pass.h and timevar.h
2216         (function_and_variable_visibility): Move here from cgraphunit.c
2217         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2218         * passes.c (init_optimization_passes): Add the two new passes.
2219         (execute_todo): Handle cgraph_remove_functions.
2221 2007-01-08  Nick Clifton  <nickc@redhat.com>
2223         * config/frv/predicates.md (reg_or_0_operand): Accept
2224         CONST_DOUBLEs.
2226 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
2228         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2229         * config.gcc: Add bfin*-rtems*.
2231 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2233         * c.opt: Add -flax-vector-conversions.
2234         * c-typeck.c (convert_for_assignment): Pass flag to
2235         vector_types_convertible_p to allow emission of note.
2236         (digest_init): Likewise.
2237         * c-opts.c: Handle -flax-vector-conversions.
2238         * c-common.c (flag_lax_vector_conversions): New.
2239         (vector_types_convertible_p): Unless -flax-vector conversions
2240         has been passed, disallow conversions between vectors with
2241         differing numbers of subparts and/or element types.  If such
2242         a conversion is disallowed, possibly emit a note on the first
2243         occasion only to inform the user of -flax-vector-conversions.
2244         The new last argument specifies this.
2245         * c-common.h (flag_lax_vector_conversions): New.
2246         (vector_types_convertible_p): Add extra argument.
2247         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2248         char_type_node for V*QI type vectors.
2249         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2250         Update to satisfy new typechecking rules.
2251         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2252         C and C++ variants.
2253         * doc/invoke.texi (C Dialect Options): Document
2254         -flax-vector-conversions.
2256 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2258         PR tree-optimization/29877
2259         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2260         a register variable on the RHS to not be replaceable.
2262 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2263         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2264         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2265         const_simm15, const_pow2, const_npow2): Added.
2266         * config/score/misc.md (insv, extv, extzv, movmemsi,
2267         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2268         * config/score/score.c (score_address_cost, score_select_cc_mode):
2269         Added.
2270         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2271         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2272         Update score_print_operand.
2273         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2274         Adjust register allocate order and update some macro define.
2275         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2276         mdx_block_move_straight, mdx_block_move_loop_head,
2277         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2278         mdx_block_move): Added.
2279         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2280         mdp_limm): Updated and fix some bug and typo.
2281         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2282         (movsf, movdf, doloop_end): Added.
2284 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2286         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2287         config/arm/thumb2.md: Fix comment typos.
2288         * doc/extend.texi: Fix a typo.
2290 2007-01-07  Eric Christopher  <echristo@apple.com>
2292         * configure.ac: Check for __stack_chk_fail for darwin.
2293         * configure: Regenerate.
2295 2007-01-07  Richard Guenther  <rguenther@suse.de>
2297         * tree-vrp.c (extract_range_from_assert): CSE calls to
2298         compare_values where possible.
2299         (extract_range_from_unary_expr): Likewise.
2301 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2303         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2304         * config/avr/avr.c (call_insn_operand): Delete function.
2305         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2306         instead of register number. Use predicates.
2307         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2308         call_insn_operand): Add.
2310 2007-01-06  Jan Hubicka  <jh@suse.cz>
2312         * tree-pass.h (pass_build_cgraph_edges): Declare.
2313         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2314         (visited_nodes): Remove.
2315         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2316         build_cgrpah_edges; make visited_nodes local.
2317         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2318         (record_references_in_initializer): Move to cgraphbuild.c
2319         (initialize_inline_failed, rebuild_cgraph_edges,
2320         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2321         (verify_cgraph_node): Make visited_nodes local.
2322         (cgraph_analyze_function): Do not call cgraph_create_edges and
2323         initialize_inline_failed.
2324         (cgraph_expand_function): Do not call cgraph_lower_function;
2325         assert that function is already lowered.
2326         * Makefile.in (cgraphbuild.o): New.
2327         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2328         at the end of lowering passes.
2330 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2332         * ifcvt.c (cond_move_convert_if_block): New function, code
2333         factored out from...
2334         (cond_move_process_if_block): ...here.  Call the new function
2335         on the THEN and ELSE blocks.
2336         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2337         already takes care of this.
2339 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2341         PR c/19978
2342         * tree.h (TREE_OVERFLOW_P): New.
2343         * c-typeck.c (parser_build_unary_op): Warn only if result
2344         overflowed and operands did not.
2345         (parser_build_binary_op): Likewise.
2346         (convert_for_assignment): Remove redundant overflow_warning.
2347         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2349 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2351         * c-typeck.c (store_init_value): Split over two lines to follow
2352         the GNU coding style.
2354 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2356         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2357         __GXX_EXPERIMENTAL_CXX0X__.
2358         * doc/cpp.texi: Same.
2360 2007-01-05  Richard Guenther  <rguenther@suse.de>
2362         PR middle-end/27826
2363         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2364         with mismatched types.  Instead explicitly build a
2365         conversion NOP_EXPR.
2367 2007-01-05  Ian Lance Taylor  <iant@google.com>
2369         * c-common.c (decl_with_nonnull_addr_p): New function.
2370         (c_common_truthvalue_conversion): Call it.
2371         * c-typeck.c (build_binary_op): Likewise.
2372         * c-common.h (decl_with_nonnull_addr_p): Declare.
2374 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2376         PR c/30360
2377         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2378         denom against 0.0.
2380 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2382         * doc/install.texi (Final install): Document the fact that
2383         the GNAT runtime should not be stripped.
2385 2007-01-04  Jan Hubicka  <jh@suse.cz>
2387         * tree-inline.c (fold_marked_statements): Update operand caches
2388         and EH after folding
2390 2007-01-04  Ian Lance Taylor  <iant@google.com>
2392         * c-common.c (check_function_nonnull): Whitespace fix.
2394 2007-01-04  Jan Hubicka  <jh@suse.cz>
2396         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2397         comitted older version of patch.
2398         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2399         function, celanup cfg and collect garbage.
2401 2007-01-04  Mike Stump  <mrs@apple.com>
2403         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2404         (clean): Likewise.
2406 2007-01-04  Eric Christopher  <echristo@apple.com>
2408         * libgcc2.c (__bswapsi2): Use SItype.
2409         (__bswapdi2): Use DItype.
2410         * libgcc2.h: Update for above.
2412 2007-01-04  Paul Brook  <paul@codesourcery.com>
2414         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2415         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2416         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2417         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2418         umulsi3_highpart): Make conditional on !arm_arch6.
2419         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2420         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2421         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2422         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2423         umulsi3_highpart_v6): New insns.
2425 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2427         * fold-const.c (fold_convert): When casting an expression to void,
2428         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2429         have a type.  Instead of attempting to build a NOP_EXPR, return
2430         these "special" trees directly.
2432 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2434         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2435         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2436         rs6000_cost->fp not 0 as adjustment for outer NEG.
2438 2007-01-04  Jan Hubicka  <jh@suse.cz>
2440         * cgraph.c (cgraph_release_function_body): New function.
2441         (cgraph_remove_node): Use it.
2442         * cgraph.h (cgraph_release_function_body): Declare.
2443         * cgraphunit.c (cgraph_expand_function): Use it.
2444         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2445         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2446         is initialized and while compilation of other function is running.
2447         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2448         statement CFG annotations from here to ...
2449         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2451 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2453         * cfgloop.h (enum li_flags): Make the constants powers of two.
2455 2007-01-04  Jan Hubicka  <jh@suse.cz>
2457         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2458         set.
2459         (fold_marked_statements): New function.
2460         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2461         * tree-inline.h (copy_body_data): Add statements_to_fold.
2463 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2465         * config.gcc: Mention libgcc/config.host.
2466         * Makefile.in: Update comments mentioning libgcc.
2467         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2468         (all.cross, start.encap, rest.encap, rest.cross): Update
2469         dependencies for libgcc move.
2470         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2471         (clean-target, clean-target-libgcc): Delete.
2472         (srcdirify, GCC_EXTRA_PARTS): New macros.
2473         (libgcc-support, libgcc.mvars): New rules.
2474         (distclean): Remove mention of mklibgcc.
2475         (install): Don't reference INSTALL_LIBGCC.
2476         (install-common): Don't reference EXTRA_PARTS.
2477         (install-libgcc, install-multilib): Delete rules.
2478         * mklibgcc.in: Delete file.
2479         * doc/configfiles.texi: Don't mention mklibgcc.
2481         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2482         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2483         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2484         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2485         (mklibgcc, ldblspecs): Likewise.
2487         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2488         (posixpre.def): Use $(T).
2489         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2490         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2491         (SHLIB_LINK): Make dummy.
2492         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2494         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2496         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2497         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2498         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2499         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2501         * configure.ac (all_outputs): Remove mklibgcc.
2502         * configure: Regenerated.
2504 2007-01-03  Josh Conner  <jconner@apple.com>
2506         PR middle-end/29683
2507         * calls.c (compute_argument_addresses): Set stack and stack_slot
2508         for partial args, too.
2509         (store_one_arg): Use locate.size.constant for the size when
2510         generating a save_area.
2512 2007-01-03  Robert Kennedy <jimbob@google.com>
2514         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2515         whose definitions are deleted due to basic block merging.
2517 2007-01-03  Paul Brook  <paul@codesourcery.com>
2519         PR target/16634
2520         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2521         functions.
2522         (use_return_insn): Return 0 for Thumb interrupt functions.
2523         (print_multi_reg): Add rfe argument for IRQ returns.
2524         (arm_output_epilogue): Pop interrupt return address directly into PC.
2525         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2527 2007-01-03  Paul Brook  <paul@codesourcery.com>
2529         Merge from sourcerygxx-4_1.
2530         * config/arm/thumb2.md: New file.
2531         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2532         Thumb-2.
2533         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2534         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2535         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2536         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2537         tables.
2538         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2539         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2540         comptibility.
2541         * config/arm/ieee754-sf.S: Ditto.
2542         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2543         (thumb1_base_register_rtx_p): ... to this.
2544         (thumb_index_register_rtx_p): Rename...
2545         (thumb1_index_register_rtx_p): ... to this.
2546         (thumb_output_function_prologue): Rename...
2547         (thumb1_output_function_prologue): ... to this.
2548         (thumb_legitimate_address_p): Rename...
2549         (thumb1_legitimate_address_p): ... to this.
2550         (thumb_rtx_costs): Rename...
2551         (thumb1_rtx_costs): ... to this.
2552         (thumb_compute_save_reg_mask): Rename...
2553         (thumb1_compute_save_reg_mask): ... to this.
2554         (thumb_final_prescan_insn): Rename...
2555         (thumb1_final_prescan_insn): ... to this.
2556         (thumb_expand_epilogue): Rename...
2557         (thumb1_expand_epilogue): ... to this.
2558         (arm_unwind_emit_stm): Rename...
2559         (arm_unwind_emit_sequence): ... to this.
2560         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2561         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2562         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2563         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2564         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2565         thumb2_output_casesi): New functions.
2566         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2567         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2568         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2569         THUMB2_WORK_REGS): Define.
2570         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2571         arm_condexec_mask, arm_condexec_masklen)): New variables.
2572         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2573         (arm_override_options): Check new CPU capabilities.
2574         Set new architecture flag variables.
2575         (arm_isr_value): Handle v7m interrupt functions.
2576         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2577         Thumb-2.
2578         (const_ok_for_arm): Handle Thumb-2 constants.
2579         (arm_gen_constant): Ditto.  Use movw when available.
2580         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2581         functions.
2582         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2583         (thumb_find_work_register, arm_load_pic_register,
2584         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2585         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2586         print_multi_reg, output_mov_long_double_fpa_from_arm,
2587         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2588         output_mov_double_fpa_from_arm, output_move_double,
2589         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2590         output_return_instruction, arm_output_function_prologue,
2591         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2592         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2593         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2594         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2595         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2596         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2597         '!' and 'L'.
2598         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2599         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2600         (arm_file_start): Output directive for unified syntax.
2601         (arm_unwind_emit_set): Handle stack alignment instruction.
2602         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2603         Add v6t2, v7, v7a, v7r and v7m.
2604         (RETLDM): Add Thumb-2 code.
2605         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2606         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2607         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2608         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2609         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2610         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2611         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2612         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2613         ADJUST_INSN_LENGTH): Define.
2614         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2615         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2616         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2617         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2618         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2619         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2620         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2621         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2622         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2623         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2624         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2625         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2626         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2627         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2628         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2629         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2630         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2631         cortex-m3.
2632         * config/arm/arm-tune.md: Regenerate.
2633         * config/arm/arm-protos.h: Update prototypes.
2634         * config/arm/vfp.md: Enable patterns for Thumb-2.
2635         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2636         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2637         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2638         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2639         * config/arm/libunwind.S: Add Thumb-2 code.
2640         * config/arm/constraints.md: Update include Thumb-2.
2641         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2642         * config/arm/ieee754-df.S: Ditto.
2643         * config/arm/bpabi.S: Ditto.
2644         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2645         * config/arm/predicates.md (low_register_operand,
2646         low_reg_or_int_operand, thumb_16bit_operator): New.
2647         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2648         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2649         * config/arm/t-arm-elf: Add armv7 multilib.
2650         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2651         Include thumb2.md.
2652         (UNSPEC_STACK_ALIGN, ce_count): New.
2653         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2654         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2655         insns/expanders.
2656         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2657         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2658         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2659         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2660         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2661         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2662         insns.
2663         * doc/extend.texi: Document ARMv7-M interrupt functions.
2664         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2666 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2668         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2669         (struct _Unwind_Context): Rename args_size to flags, remove
2670         signal_frame field, add a new args_size field and version field.
2671         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2672         _Unwind_IsExtendedContext): New inline functions.
2673         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2674         Assume by_value array is only present if _Unwind_IsExtendedContext.
2675         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2676         _Unwind_IsSignalFrame.
2677         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2678         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2679         (uw_init_context_1): Initialize context->flags to
2680         EXTENDED_CONTEXT_BIT.
2681         * config/rs6000/linux-unwind.h (frob_update_context): Use
2682         _Unwind_SetSignalFrame.
2684 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2686         PR middle-end/30353
2687         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2688         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2689         the value.
2691 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2693         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2694         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2695         RET, AT_SP): Remove.
2696         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2697         instead of RET.
2699         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2700         * cfgbuild.c (find_basic_blocks): Likewise.
2701         * cfgrtl.c (rtl_create_basic_block): Likewise.
2702         * function.c (temp_slots_at_level): Likewise.
2703         * reg-stack.c (stack_regs_mentioned): Likewise.
2704         * regclass.c (allocate_reg_info): Likewise.
2705         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2706         set_bb_for_stmt, move_block_to_fn): Likewise.
2707         * tree-complex.c (tree_lower_complex): Likewise.
2708         * vec.h (VEC_safe_grow_cleared): New.
2710         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2712 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2714         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2715         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2716         to loop_version.
2717         * cfgloopmanip.c (scale_loop_frequencies): Export.
2718         (loopify): Scale the frequencies by prescribed coefficients.
2719         (set_zero_probability): New function.
2720         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2721         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2722         and frequencies according to arguments.
2723         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2724         correctly.
2725         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2726         * modulo-sched.c (sms_schedule): Set probabilities for entering
2727         versioned loop correctly.
2728         * tree-vect-transform.c (vect_transform_loop): Ditto.
2729         * cfgloop.h (loopify, loop_version): Declaration changed.
2730         (scale_loop_frequencies): Declared.
2732 2007-01-02  Jan Hubicka  <jh@suse.cz>
2734         * cgraph.c: Include tree-flow.h
2735         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2736         early_local_passes.
2737         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2738         * tree-pass.h (pass_all_early_optimizations): Declare.
2739         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2740         early_local_passes.
2741         (cgraph_analyze_function): Do early_local_passes.
2742         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2743         Do not add referenced vars.
2744         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2745         SSA form.
2746         (gate_all_early_local_passes): New gate.
2747         (pass_early_local_passes): Use new gate.
2748         (execute_early_local_optimizations): New functions.
2749         (gate_all_early_optimizations): New gate.
2750         (pass_all_early_optimizations): New pass.
2751         (execute_free_datastructures): Free SSA only when initialized.
2752         (gate_init_datastructures): Init only when optimizing.
2753         (tree_lowering_passes): Do early local passes when called late.
2754         * tree-profile.c (do_tree_profiling): Don't profile functions added
2755         late.
2756         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2757         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2758         not active.
2759         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2760         during early_local_passes.
2761         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2764 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2766         * Makefile.in: Update copyright year.
2768 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2770         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2771         in $(lang_checks) and check-consistency targets.
2773 2007-01-02  Jan Hubicka  <jh@suse.cz>
2775         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2776         Do not add referenced vars.
2777         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2778         are not active.
2779         * passes.c (init_optimization_passes): Put mudflap_2 after
2780         free_datastructures.
2782 2007-01-02  Jan Hubicka  <jh@suse.cz>
2784         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2785         Set NOTHROW flag on call statements proved to be nothrow.
2786         Update statement of local calls so new pure/const functions are
2787         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2788         goto receivers.
2789         (tree_rest_of_compilation): Register hooks and initialize bitmap
2790         early. Do not set after_inlining flag.
2792 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2794         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2795         HOST_BITS_PER_LONGLONG
2797 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2799         PR c/19977
2800         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2801         warning for non-static initializers.
2803 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2805         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2806         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2807         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2808         Always use set_unique_reg_note to add REG_EQUAL notes.
2810 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2812         Revert:
2813         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2815         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2816         * cfgbuild.c (find_basic_blocks): Likewise.
2817         * cfgrtl.c (rtl_create_basic_block): Likewise.
2818         * function.c (temp_slots_at_level): Likewise.
2819         * reg-stack.c (stack_regs_mentioned): Likewise.
2820         * regclass.c (allocate_reg_info): Likewise.
2821         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2822         set_bb_for_stmt, move_block_to_fn): Likewise.
2823         * tree-complex.c (tree_lower_complex): Likewise.
2824         * vec.h (VEC_safe_grow_cleared): New.
2826 2007-01-02  Ian Lance Taylor  <iant@google.com>
2828         * c-common.c (c_common_truthvalue_conversion): When warning about
2829         using an assignment as a truth value, set TREE_NO_WARNING.
2831 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2833         PR middle-end/7651
2834         * c.opt (Wold-style-declaration): New.
2835         * doc/invoke.texi (C-only Warning Options): New.
2836         (Wold-style-declaration): Document it.
2837         (Wextra): Enabled by -Wextra.
2838         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2839         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2840         -Wold-style-declaration.
2842 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2844         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2845         * cfgbuild.c (find_basic_blocks): Likewise.
2846         * cfgrtl.c (rtl_create_basic_block): Likewise.
2847         * function.c (temp_slots_at_level): Likewise.
2848         * reg-stack.c (stack_regs_mentioned): Likewise.
2849         * regclass.c (allocate_reg_info): Likewise.
2850         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2851         set_bb_for_stmt, move_block_to_fn): Likewise.
2852         * tree-complex.c (tree_lower_complex): Likewise.
2853         * vec.h (VEC_safe_grow_cleared): New.
2855 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2857         * c-common.c(c_common_nodes_and_builtins): Since variants of
2858         void_type_node get built before it is given a name, we need to
2859         give those variants the name, too.
2860         (complete_array_type): We need to work with the canonical main
2861         type of the array, from which we will build the qualified version.
2862         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2863         * print-tree.c (print_node): Display canonical type information
2864         for each type.
2865         * stor-layout.c (layout_type): When we don't know the
2866         alignment of a type for which we're building an array, we end up
2867         guessing wrong, so make the type require structural equality.
2868         * tree.c (make_node_stat): When we build a new type, it is its
2869         own canonical type.
2870         (build_type_attribute_qual_variant): When building an attribute
2871         variant, its canonical type is the non-attribute variant. However,
2872         if the attributes are target-dependent and they differ, we need to
2873         use structural equality checks for this type.
2874         (build_qualified_type): A qualified type is not equivalent to its
2875         unqualified variant; set the canonical type appropriately.
2876         (build_distinct_type_copy): When building a distinct type from
2877         another type, the new type is its own canonical type.
2878         (build_variant_type_copy): When building a new type variant, we
2879         assume that it is equivalent to the original type.
2880         (build_pointer_type_for_mode): When building a pointer type, also
2881         build a canonical type pointer.
2882         (build_reference_type_for_mode): When building a reference type,
2883         also build a canonical type reference.
2884         (build_index_type): When we can't hash an index type (e.g.,
2885         because its maximum value is negative), the index type requires
2886         structural equality tests.
2887         (build_array_type): Build the canonical form of an array type.
2888         (build_function_type): Function types require structural equality,
2889         because they contain default arguments, attributes, etc.
2890         (build_method_type_directly): Ditto for method types.
2891         (build_offset_type): Build the canonical offset type.
2892         (build_complex_type): Build the canonical vector type.
2893         (make_vector_type): Build the canonical vector type.
2894         * tree.h (TYPE_CANONICAL): New.
2895         (TYPE_STRUCTURAL_EQUALITY_P): New.
2896         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2897         (struct tree_type): Added "canonical" field.
2898         * params.h (VERIFY_CANONICAL_TYPES): New.
2899         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2900         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2901         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2902         * doc/invoke.texi (verify-canonical-types): Document --param
2903         parameter for verifying canonical types.
2905 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2907         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2908         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2909         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2910         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2911         tm_file.
2912         * config/rs6000/e500.h: New.
2913         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2914         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2915         Remove.
2916         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2917         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2918         TARGET_E500_DOUBLE): Remove.
2919         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2920         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2921         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2922         * config/rs6000/rs6000.c (rs6000_override_options): Use
2923         CHECK_E500_OPTIONS.
2925 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2927         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2928         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2929         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2930         rs6000_emit_cmove): Don't check TARGET_E500.
2931         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2932         sordered): Don't check TARGET_E500.
2934 2007-01-01  Eric Christopher  <echristo@apple.com>
2936         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2937         HARD_REGISTER_NUM_P.
2939 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2941         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2942         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2943         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2944         eq/ne Y".
2946 2007-01-01  Mike Stump  <mrs@apple.com>
2948         * configure.ac: Remove support for building with Apple's gcc-3.1.
2950 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2952         PR middle-end/30311
2953         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2954         REG is a hard register.  Do not modify REG before calling
2955         subreg_nregs.
2956         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2957         multiple of the size of YMODE for certain lowpart cases.
2959 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2961         PR middle-end/30253
2962         * gimplify (voidify_wrapper_expr): Update for
2963         GIMPLE_MODIFY_STMT.
2965 2007-01-01  Andreas Schwab  <schwab@suse.de>
2967         PR target/29166
2968         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2969         save of BR0 in extra_spill_size instead of spill_size.
2970         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2971         area.
2972         (ia64_expand_epilogue): Restore BR0 from its new location.
2974 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2976         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2977         Use a temporary variable if the left hand side is not a gimple
2978         register.
2980 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2982         * gimplify.c (gimplify_return_expr): Make the temporary variable
2983         for the return expression, a gimple register variable.
2985 2007-01-01  Jan Hubicka  <jh@suse.cz>
2987         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2988         INSN_LIST.
2990 2007-01-01  Mike Stump  <mrs@apple.com>
2992         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2993         .literal16.
2994         * config/darwin.c (machopic_select_rtx_section): Use
2995         HAVE_GAS_LITERAL16.
2996         (darwin_mergeable_constant_section): Likewise.
2997         * configure: Regenerate.
2998         * config.in: Regenerate.
3000 2007-01-01  Jan Hubicka  <jh@suse.cz>
3001             Andrew Pinski  <pinskia@gmail.com>
3003         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3004         before starting IPA passes.