Add missing doc/install.texi to ChangeLog entry of the previous commit.
[official-gcc.git] / gcc / ChangeLog
blob7d566d21b85501d6a8a3526993e6bc8d058ecf11
1 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3         * doc/sourcebuild.texi: Add comma for clarity.
4         * doc/extend.texi: Fix some typos.
5         * doc/passes.texi: Likewise.
6         * doc/cppinternals.texi: Likewise.
7         * doc/c-tree.texi: Likewise.
8         * doc/tree-ssa.texi: Likewise.
9         * doc/install.texi: Likewise.
11 2007-01-27  Jan Hubicka  <jh@suse.cz>
13         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
14         (pass_sra): Do not require alias information.
15         * passes.c (init_optimization_passes): Add SRA
17 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
19         * tracer.c (rest_of_handle_tracer): We already cleaned
20         up the CFG in tracer() so don't do it here again.
21         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
22         cleanup_cfg here, either.  And don't call renumber_insns.
24         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25         and BB_HEAD are in the insn stream here.  Instead make sure
26         that BB_INSN is valid on all insns.  Also, do check here that
27         there are no pending branch predictions...
28         (rtl_verify_flow_info): ...instead of doing it here.  Checks
29         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
30         here.
32 2007-01-26  Roger Sayle  <roger@eyesopen.com>
34         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
35         function to simplify/factorize operand order canonicalization.
36         (ix86_fixup_binary_operands): Reorganize using the above function.
37         (ix86_binary_operator_ok): Likewise.
39 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
41         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
42         file scope from optimize_attrs.
43         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
44         up search.
45         (optimize_attrs): Clear insn_code_values after freeing it.
47 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
49         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
50         a parts.base assignment.
52 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
54         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
55         (compute_subscript_distance, initialize_data_dependence_relation,
56         finalize_ddr_dependent, analyze_ziv_subscript,
57         analyze_siv_subscript_cst_affine,
58         compute_overlap_steps_for_affine_univar,
59         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
60         analyze_siv_subscript, analyze_miv_subscript,
61         analyze_overlapping_iterations, subscript_dependence_tester_1,
62         compute_self_dependence, free_dependence_relation): Work
63         with affine_fn instead of chrecs.
64         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
65         common_affine_function, affine_function_base,
66         affine_function_constant_p, affine_fn_op, affine_fn_plus,
67         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
68         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
69         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
70         (all_chrecs_equal_p): Removed.
71         * tree-data-ref.h (affine_fn, conflict_function): New types.
72         (struct subscript): Change type of conflicting_iterations_in_a
73         and conflicting_iterations_in_b.
75 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
77         PR other/30182
78         * config/pa/pa.h (TARGET_HPUX_11): New.
79         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
80         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
82 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
83         Richard Guenther  <rguenther@suse.de>
85         * tree-ssa-structalias.c (solve_graph): Handle case
86         we merged the variable to another.
88 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
90         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
91         functions.
93         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
94         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
96 2007-01-25  DJ Delorie  <dj@redhat.com>
98         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
99         allow changes to modes which don't fit in those registers.
101         * reload1.c (choose_reload_regs): Check for invalid subregs before
102         computing their locations, not after.
104 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
106         PR 25127
107         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
108         save Altivec registers in an eh_return function.
109         (compute_vrsave_mask): Likewise.
110         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
111         for saving Altivec registers.
112         (rs6000_emit_prologue): Don't allocate stack twice in
113         eh_return function.  Correct expected value of altivec_save_offset
114         when using save_world.  Describe save of R0 to stack when using
115         save_world.  Describe stack pointer adjustment when using
116         save_world.  Remove duplicated eh_return parameter register saving.
117         Update sp_offset variable after save_world.
118         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
119         darwin-world.asm.
120         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
121         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
122         implies Altivec.
124 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
126         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
128 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
130         PR other/30182
131         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
132         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
134 2007-01-25  Richard Guenther  <rguenther@suse.de>
136         * doc/invoke.texi (-Wcoverage-mismatch): Document.
137         * common.opt (-Wcoverage-mismatch): New warning option.
138         * coverage.c (get_coverage_counts): Ignore coverage mismatch
139         if -Wcoverage-mismatch is given.
141 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
143         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. 
144         (ipcp_driver): Change to static definition. 
145         Add dumping of the ifunctions.
146         (constant_val_insert): Remove unused parameter. Support for SSA.
147         (ipcp_propagate_const): Support for SSA.
148         (ipcp_profile_bb_print): Print only analyzed nodes.
149         (ipcp_replace_map_create): Remove support for Fortran constant 
150         for now.
151         * ipa-prop.c (ipa_method_modify_stmt, 
152         ipa_callsite_compute_param): Support for SSA.
153         * ipa-prop.h (ipcp_driver): Remove declaration.
154         (IS_VALID_TREE_MAP_INDEX): Add define.
156 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
158         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
160 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
162         PR middle-end/30447
163         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
164         constant argument to cabs and do it without checking for
165         -funsafe-math-optimizations.
167 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
169         * c-common.h (RID_FIRST_CXX0X): New.
170         (RID_LAST_CXX0X): New.
171         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
172         by -Wall.
173         * c.opt (Wc++0x-compat): New.
174         * doc/invoke.texi (-Wc++0x-compat): Document.
176 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
178         * builtins.c (fold_builtin_carg): New.
179         (fold_builtin_1): Use it.
181 2007-01-24  Jan Hubicka  <jh@suse.cz>
183         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
185         * ipa-inline.c (initial_insns, max_insns): Delete.
186         (compute_max_insns): New function.
187         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
188         of insns as base for code growth.
189         (cgraph_decide_inlining): Make initial_insns local; do not compute
190         max_insns.
191         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
192         * doc/invoke.texi (inline-unit-growth): Update docs.
194 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
196         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
197         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
198         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
199         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
200         for CPUs that have PTA_CX16 set.
202         PR middle-end/27416
203         * gimplify.c (omp_check_private): New function.
204         (gimplify_scan_omp_clauses): Use it for
205         firstprivate/lastprivate/reduction.
207         PR middle-end/30494
208         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
209         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
211         PR middle-end/30421
212         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
213         If lower_lastprivate_clauses emits some statements, append them
214         to dlist rather than body_p and to body_p append an initializer.
215         (lower_omp_for): Adjust caller.
217 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
219         * target.h (globalize_decl_name): New.
220         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
221         * output.h (default_globalize_decl_name): New.
222         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
223         globalize_label.
224         (globalize_decl): Ditto.
225         (default_globalize_decl_name): New.
226         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
227         (ia64_handle_version_id_attribute): New.
228         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
229         (ia64_asm_output_external): Use globalize_decl_name instead
230         of globalize_label.
231         * doc/extend.texi (version_id): New pragma.
232         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
234 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
236         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with 
237         _uleb128_t and _Unwind_SWord with _sleb128_t.
238         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
239         uw_frame_state_for, uw_update_context_1): Likewise.
240         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
241         * unwind-pe.h (read_uleb128, read_sleb128,
242         read_encoded_value_with_base): Likewise.
243         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
245 2007-01-24  Richard Guenther  <rguenther@suse.de>
247         * builtins.c (expand_builtin_cexpi): Get the fndecl
248         for cexp in the correct way.
250 2007-01-24  Jan Hubicka  <jh@suse.cz>
252         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
254 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
256         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
257         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
258         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
259         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
260         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
261         __SIZEOF_PTRDIFF_T__.
262         * doc/cpp.texi: Documentation for the new builtin macros added.
264 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
266         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
267         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
268         instead of operands[2] to avoid access past the end of array.
270 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
272         * reload1.c (emit_reload_insns): Pass the reload register
273         for a non-spill output reload through forget_old_reloads_1.
275 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
277         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
278         _SOFT_DOUBLE if doubles use software floating-point.
279         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
280         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
281         * config/rs6000/darwin-ldouble.c: Also compile functions for
282         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
283         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
284         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
285         commented-out long double override.
286         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
287         * config/rs6000/eabispe.h: Likewise.
288         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
289         long double for non-SPE.
290         (rs6000_handle_option): Likewise.
291         (invalid_e500_subreg): Disallow more subregs involding DImode,
292         DFmode, TImode or TFmode.
293         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
294         E500 double.
295         (legitimate_lo_sum_address_p): Also check for TFmode for E500
296         double.
297         (rs6000_legitimize_address): Also handle TFmode for E500 double.
298         (rs6000_legitimize_reload_address): Also handle TFmode for E500
299         double.
300         (rs6000_legitimate_address): Also check for TFmode for E500
301         double.
302         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
303         (spe_build_register_parallel): Handle TFmode and TCmode.
304         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
305         double.
306         (function_arg): Handle TFmode and TCmode for E500 double.
307         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
308         in general.
309         (print_operand): Handle TFmode and TImode for %y.
310         (rs6000_generate_compare): Handle TFmode comparisons for E500
311         double.
312         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
313         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
314         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
315         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
316         TFmode for E500 double.
317         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
318         (floatsidf2): Enable for E500 double.
319         (movtf_softfloat): Use rs6000_nonimmediate_operand.
320         (extenddftf2): Change to extenddftf2_fprs.
321         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
322         depending on TARGET_E500_DOUBLE.
323         (extendsftf2): Enable for E500 double.
324         (trunctfdf2): Enable for E500 double.
325         (trunctfsf2): Change to trunctfsf2_fprs.
326         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
327         depending on TARGET_E500_DOUBLE.
328         (floatsitf2): Enable for E500 double.
329         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
330         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
331         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
332         (negtf2): Change to negtf2_internal.
333         (negtf2): New expander.
334         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
335         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
336         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
337         (movdi_internal32): Use rs6000_nonimmediate_operand.
338         (unnamed splitter): Likewise.
339         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
340         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
341         (SPE64TF, DITI): New mode macros.
342         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
343         modes.
344         (frob_tf_ti): New.
345         (frob_<mode>_di_2): New.
346         (frob_tf_di_8_2): New.
347         (frob_di_df): Change to frob_di_<mode>; allow more modes.
348         (frob_ti_tf): New.
349         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
350         more modes.
351         (frob_ti_<mode>_8_2): New.
352         (frob_ti_tf_2): New.
353         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
354         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
355         TFmode.
356         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
357         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
358         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
359         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
360         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
361         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
362         tsttflt_gp): New.
364 2007-01-23  Ian Lance Taylor  <iant@google.com>
366         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
367         insn-*.o first.
368         (OBJS-archive): Reformat, alphabetize.
369         (OBJS): Change out_object_file to OBJS-md.
371 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
373         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
374         JUMP_P and CALL_P predicates where applicable.
375         * config/i386/i386.c: Ditto.
376         * config/i386/i386.md: Ditto.
377         * config/i386/mmx.md: Ditto.
378         * config/i386/predicates.md: Ditto.
380 2007-01-22  Andreas Schwab  <schwab@suse.de>
382         * config/m68k/m68k.h: Fix comment.
384 2007-01-22  Jan Hubicka  <jh@suse.cz>
386         * passes.c (init_optimization_passes): Do not rerun
387         pass_early_warn_uninitialized.
389 2007-01-22  Richard Guenther  <rguenther@suse.de>
391         PR tree-optimization/30038
392         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
393         function.
394         (execute_cse_sincos_1): Likewise.
395         (execute_cse_sincos): Likewise.
396         (gate_cse_sincos): Likewise.
397         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
398         the cexpi() canonicalization of sincos().
399         * tree-pass.h (pass_cse_sincos): Declare.
400         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
402 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
404         PR rtl-optimization/29329
405         * combine.c (replaced_rhs_insn): Rename to i2mod.
406         (replaced_rhs_value): Rename to i2mod_new_rhs.
407         (i2mod_old_rhs): New global variable.
408         (combine_instructions): Adjust for above change.  Save a copy of
409         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
410         note are substituted in the second instruction.
411         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
412         ditch the note if it pertains to the second eliminated register
413         and this register is mentioned in i2mod_old_rhs.
415         Revert:
416         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
418         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
419         the insn to which the note was originally attached.
421 2007-01-21  Jan Hubicka  <jh@suse.cz>
423         * ipa-inline.c (inlining_mode): Comment, move up.
424         (cgraph_decide_inlining_incrementally): Do not perform inlining
425         itself; fix handling of flattening of self recursive functions.
426         (cgraph_find_cycles): Remove.
427         (cgraph_flatten_node): Remove.
428         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
429         (try_inline): New function.
430         (cgraph_early_inlining): Update call of
431         cgraph_decide_inlining_incrementally.  Apply inlining here.
432         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
434 2007-01-21  Dirk Mueller  <dmueller@suse.de>
436         PR bootstrap/30511
437         * tree-vrp.c (check_array_bounds): do not warn
438         about ADDR_EXPR's of ARRAY_REF's which are immediately
439         used in binary expressions.
441 2007-01-21  Ira Rosen  <irar@il.ibm.com>
443         * tree-vectorizer.h (struct _stmt_vec_info): Add new field 
444         read_write_dep and macros for its access.
445         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
446         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove 
447         argument, call vect_check_interleaving for every independent pair of
448         data-refs. Mark loads that access the same memory location as a store
449         in the loop.
450         (vect_check_dependences): Remove.
451         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences 
452         call, fix the call to vect_analyze_data_ref_dependence.
453         (vect_analyze_data_ref_access): For statements that access the same 
454         data-ref, check that they are not stores; for loads, check that there
455         is no store that access the same location.
457 2007-01-20  Roger Sayle  <roger@eyesopen.com>
458             Joseph Myers  <joseph@codesourcery.com>
460         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
461         (-fdump-rtl-stack): Likewise.
462         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
463         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
464         (-mpt-fixed): Use @minus{} for minus sign.
465         (Using Precompiled Headers): Fix under/overfull hbox.
467 2007-01-20  Jan Hubicka  <jh@suse.cz>
469         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
470         place within annotation.
472 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
474         * pa.c (output_move_double): Change array size of xoperands to 4.
476 2007-01-20  Jan Hubicka  <jh@suse.cz>
478         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
479         as temporary.
481 2007-01-19  Ian Lance Taylor  <iant@google.com>
483         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
484         constant to unsigned HOST_WIDE_INT before negating.
486 2007-01-19  Ian Lance Taylor  <iant@google.com>
488         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
489         to unsigned.
490         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
491         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
492         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
493         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
494         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
495         (realloc_vdef, realloc_vuse): Change second parameter to
496         unsigned.
497         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
498         fields to unsigned.
499         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
500         unsigned. Change x and lim locals to unsigned.
501         (realloc_vdef, realloc_vuse): Change num_elem parameter to
502         unsigned.
503         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
504         (copy_virtual_operands): Change i and n locals to unsigned.
506 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
508         PR middle-end/29335
509         * builtins.c (fold_builtin_1): Handle builtin fdim.
511 2007-01-20  Jan Hubicka  <jh@suse.cz>
513         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
514         * tree-ssa-structalias.c (compute_points_to_sets): Do call
515         init_alias_heapvars.
516         (init_alias_heapvars): Initialize only when not already initialized.
517         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
519 2007-01-19  Roger Sayle  <roger@eyesopen.com>
521         * common.opt (fsigned-zeros): New command line option.
522         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
523         of flag_unsafe_math_optimizations.
524         * opts.c (set_fast_math_flags): The -ffast-math command line option
525         implies -fno-signed-zeros.
526         (fast_math_flags_set_p): Likewise.
528         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
529         the documentation of -ffast-math appropriately.  Wrap long lines.
531 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
533         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
534         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
536 2007-01-19  Tomas Bily  <tbily@suse.cz>
538         * cgraphunit.c (cgraph_finalize_function): Updating of pid
539         * tree-profile.c:
540         (tree_init_ic_make_global_vars): New function
541         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
542         (tree_gen_ic_profiler): New function
543         (tree_gen_ic_func_profiler): New function
544         (tree_profiling): Added calling of tree_gen_ic_func_profiler
545         (tree_profile_hooks): Added hook for indirec/virtual calls
546         * value-prof.c (tree_find_values_to_profile): New case for
547         indirect calls
548         (tree_values_to_profile): Call for determining indirect/virtual
549         counters
550         (tree_indirect_call_to_profile): New function
551         (tree_ic_transform): New function
552         (tree_ic): New function
553         (find_func_by_pid): New function
554         (init_pid_map): New function
555         (tree_value_profile_transformations): Added check for
556         indirect/virtual call transformation
557         * value-prof.h (enum hist_type): New counter type for
558         indirect/virtual calls
559         (profile_hooks): Added new hook for profiling indirect/virtual
560         calls
561         * profile.c (instrument_values): New case for indirect/virtual
562         call added
563         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
564         (GCOV_COUNTER_V_INDIR): New counter type
565         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
566         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
567         call added
568         * cgraph.c: Definition of cgraph_max_pid
569         (cgraph_create_node): Default init of pid attribute
570         * cgraph.h: Declaration of cgraph_max_pid
571         (struct cgraph_node): Added pid attribute
572         * libgcov.c (__gcov_indirect_call_profiler): New function
573         (__gcov_one_value_profiler_body): New function
574         (__gcov_one_value_profiler): Body was moved to
575         __gcov_one_value_profiler_body and calls it
577 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
578         
579         * doc/gty.texi (Options): Document the mark_hook option to GTY.
580         * gengtype.c (write_types_data, write_func_for_structure,
581         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
582         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
583         (walk_type, write_func_for_structure): Generate the mark_hook if
584         needed.
586 2007-01-19  Jan Hubicka  <jh@suse.cz>
588         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
589         'early' argument take inlining mode argument specifying whether to
590         inline for size/speeed or all functions; add support for flattening;
591         improve dumpting.
592         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
594 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
596         PR c++/17947
597         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
598         the name of the declared identifier.
599                 
600 2007-01-19  Dirk Mueller  <dmueller@suse.de>
602         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
603         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
604         duplicate evaluation.
606 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
608         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
609         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
610         to XFMode, use acosxf2 and truncate result to requested mode.
611         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
612         (asin<mode>2): Similarly, with asin expanders.
613         (*fscalexf4_i387): Rename from *fscalexf4.
614         (expNcorexf3): New expander.
615         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
616         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
617         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
618         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
619         patterns for SSE math.
620         (exp10<mode>2): Similarly, with exp10 expanders.
621         (exp2<mode>2): Similarly, with exp2 expanders.
622         (expm1<mode>2): Similarly, with expm1 expanders.
623         (ldexp<mode>3): Similarly, with ldexp expanders.
624         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
625         Use gen_truncxf<mode>2_i387_noop to truncate result.
627 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
629         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
630         for ColdFire targets.
632 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
633             Richard Sandiford  <richard@codesourcery.com>
635         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
636         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
637         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
638         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
639         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
640         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
642 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
644         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
645         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
646         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
647         (*adddi_dilshr32_cf): New pattern.
648         (adddi3, subdi3): Remove first alternatives.
650 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
652         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
653         implemented using move.l, do not use its cc result for floating-point
654         comparisons.
656 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
658         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
659         from accepting 's' constraints if flag_pic.
661 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
663         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
664         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
665         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
666         condition from TARGET_68881 to TARGET_HARD_FLOAT.
668 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
670         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
671         ColdFire alternatives.
672         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
673         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
674         architectures that support ff1 instruction.
676 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
677             Julian Brown  <julian@codesourcery.com>
679         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
680         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
681         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
682         Add commentary.
684 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
686         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
687         and return a bool.
688         (output_move_const_into_data_reg, output_move_simode_const): Delete.
689         * config/m68k/m68k.c (const_method, const_int_cost): Take a
690         HOST_WIDE_INT instead of an rtx.
691         (m68k_rtx_costs): Update call accordingly.
692         (output_move_const_into_data_reg): Likewise.  Fix formatting.
693         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
694         Return a bool.
695         (output_move_simode_const): Update calls after above changes.
696         Rework to use automatic variables and predicates like MEM_P.
697         * config/m68k/m68k.md (pushexthisi_const): Update call to
698         valid_mov3q_const.
700 2007-01-19  Dirk Mueller  <dmueller@suse.de>
702         * tree-ssa-alias.c (perform_var_substitution): Fix typo
703         in dump_flags test.
705 2007-01-19  Richard Guenther  <rguenther@suse.de>
707         * builtins.c (expand_builtin_cexpi): Fall back to expanding
708         via cexp in case sincos is not available.
710 2007-01-19  Richard Guenther  <rguenther@suse.de>
712         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
713         * defaults.h (TARGET_HAS_SINCOS): Default to off.
714         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
715         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
716         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
717         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
718         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
719         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
721 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
723         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
724         New insn patterns.
725         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
726         (atan2xf3): Directly generate RTL pattern.
727         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
728         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
729         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
730         disable patterns for SSE math.
731         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
732         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
733         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
734         disable patterns for SSE math.
736 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
738         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
740 2007-01-18  Roger Sayle  <roger@eyesopen.com>
742         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
743         VIEW_CONVERT_EXPR to the same type as it's operand.
745 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
747         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
748         configured for long double 128.
750 2007-01-18  Mike Stump  <mrs@apple.com>
752         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
753         error.
755 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
757         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
758         type correct.
760 2007-01-18  Jan Hubicka  <jh@suse.cz>
762         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
763         greater than NUM_VOP_FREE_BUCKETS.
765 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
767         * tree-ssa-structalias.c: Update comments.
768         (ptabitmap_obstack): Removed.
769         (pta_obstack): New.
770         (oldpta_obstack): Ditto.
771         (stats): Add a few members.
772         (struct variable_info): Remove node, complex, address_taken, and
773         indirect_target members. Add oldsolution member.
774         (new_var_info): Do not initialize removed members.
775         (constraint_expr_type): Remove INCLUDES.
776         (constraint_graph): Add size, implicit_preds, rep,
777         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
778         (FIRST_REF_NODE): New macro.
779         (LAST_REF_NODE): Ditto.
780         (FIRST_ADDR_NODE): Ditto.
781         (find): New function.
782         (unite): Ditto.
783         (dump_constraint): Do not handle INCLUDES.
784         (insert_into_complex): Do not insert duplicate constraints.
785         (condense_varmap_nodes): Renamed and rewritten into ...
786         (merge_node_constraints): This. Also fix bug in handling of
787         offseted copy constraints.
788         (clear_edges_for_node): No longer need to deal with preds at all,
789         or removing associated preds/succs. 
790         (merge_graph_nodes): Deal with indirect_cycles.
791         Don't deal with predecessors.
792         (add_implicit_graph_edge): New function.
793         (add_pred_graph_edge): Ditto.
794         (add_graph_edge): Don't deal with predecessors.
795         (build_constraint_graph): Removed.
796         (build_pred_graph): New function.
797         (build_succ_graph): Ditto.
798         (struct scc_info): Removed in_component. Added roots, dfs, and
799         node_mapping. Remove visited_index, unification_queue.
800         (scc_visit): Deal with union-find we do now.
801         Deal with cycles with REF nodes.
802         (collapse_nodes): Renamed and rewritten to ...
803         (unify_nodes): This.
804         (process_unification_queue): Removed.
805         (topo_visit): Cleanup
806         (do_da_constraint): Use find.
807         (do_sd_constraint): Ditto.
808         (do_ds_constraint): Ditto.
809         (do_complex_constraint): Ditto.
810         (init_scc_info): Update for removed and added members.
811         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
812         (find_indirect_cycles): This.
813         (equivalence_class): New variable.
814         (label_visit): New function.
815         (perform_variable_substitution): Rewritten.
816         (free_var_substitution_info): New function.
817         (find_equivalent_node): Ditto.
818         (move_complex_constraints): Ditto.
819         (eliminate_indirect_cycles): Ditto.
820         (solve_graph): Only propagate changed bits.
821         Use indirect cycle elimination.
822         Use find.
823         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
824         (tree_id_eq): Renamed to ...
825         (tree_vi_eq): This. Update for member change
826         (insert_id_for_tree): Renamed and rewritten to ...
827         (insert_vi_for_tree): This.
828         (lookup_id_for_tree): Renamed and rewritten to ...
829         (lookup_vi_for_tree): This.
830         (get_id_for_tree): Renamed and rewritten to ...
831         (get_vi_for_tree): Ditto.
832         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
833         (process_constraint): Don't handle INCLUDES.
834         Remove special ADDRESSOF case.
835         (find_func_aliases): Rewrite to use vi functions instead of id
836         ones.
837         (create_function_info_for): Ditto.
838         (create_variable_info_for): Ditto.
839         (intra_create_variable_infos): Ditto.
840         (merge_smts_into): Ditto.
841         (find_what_p_points_to): Ditto.
842         (init_base_vars): Ditto.
843         (init_alias_vars): Ditto.
844         (remove_preds_and_fake_succs): New function.
845         (dump_sa_points_to_info): Dump new stats.
846         (dump_solution_for_var): Use find.
847         (set_used_smts): Fix formatting.
848         (compute_points_to_sets): Updated for new functions.
849         (ipa_pta_execute): Ditto.
851 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
852             Richard Sandiford  <richard@codesourcery.com>
854         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
855         parallels.
856         * calls.c (expand_call): If the return value is a PARALLEL,
857         extract its first member.
858         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
859         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
860         use FUNCTION_EXTRA_EPILOGUE.
861         (m68k_function_value): Return a PARALLEL if the return value
862         is of a pointer type.
863         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
864         (FUNCTION_EXTRA_EPILOGUE): Remove.
865         * config/m68k/m68k.md (D0_REG): New constant.
867 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
869         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
870         output a NOP for empty epilogues.
872 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
874         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
875         before function.  Extend register save check to include all
876         registers, not just integer ones.
878 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
880         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
881         (m68k_use_return_insn): ...this.
882         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
883         * config/m68k/m68k.c (use_return_insn): Rename to...
884         (m68k_use_return_insn): ...this.
885         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
886         of USE_RETURN_INSN.
888 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
890         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
891         nearest even, fix denormal rounding overflow.
893 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
895         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
896         f%$smove and f%$move.
897         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
898         (extendsfdf2_cf): Use fdmove instead of f%&move.
899         (truncdfsf2_cf): Use fsmove instead of f%$smove.
900         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
902 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
904         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
905         GPR<-GPR moves.
907 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
909         * real.h (real_format): Add a canonical_nan_lsbs_set field.
910         (coldfire_single_format): Declare.
911         (coldfire_double_format): Likewise.
912         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
913         of qnan_msb_set to determine the lower bits of a canonical
914         NaN significand.
915         (encode_ieee_double): Likewise.
916         (encode_ieee_quad): Likewise.
917         (ieee_single_format): Initialize canonical_nan_lsbs_set.
918         (mips_single_format): Likewise.
919         (ieee_double_format): Likewise.
920         (mips_double_format): Likewise.
921         (ieee_extended_motorola_format): Likewise.
922         (ieee_extended_intel_96_format): Likewise.
923         (ieee_extended_intel_128_format): Likewise.
924         (ieee_extended_intel_96_round_53_format): Likewise.
925         (ibm_extended_format): Likewise.
926         (mips_extended_format): Likewise.
927         (ieee_quad_format): Likewise.
928         (mips_quad_format): Likewise.
929         (vax_f_format): Likewise.
930         (vax_d_format): Likewise.
931         (vax_g_format): Likewise.
932         (i370_single_format): Likewise.
933         (i370_double_format): Likewise.
934         (decimal_single_format): Likewise.
935         (decimal_double_format): Likewise.
936         (decimal_quad_format): Likewise.
937         (c4x_single_format): Likewise.
938         (c4x_extended_format): Likewise.
939         (real_internal_format): Likewise.
940         (coldfire_single_format): New real_format.
941         (coldfire_double_format): Likewise.
942         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
943         canonical_nan_lsbs_set.
944         (pdp11_d_format): Likewise.
945         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
946         if TARGET_COLDFIRE_CPU.
948 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
950         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
951         (output_call, m68k_legitimize_call_address): Declare.
952         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
953         parenthesees.  Add support for a 'W' constraint.
954         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
955         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
956         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
957         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
958         variables.
959         (override_options): Initialize them.  Do not set flag_no_function_cse
960         for TARGET_ID_SHARED_LIBRARY.
961         (m68k_output_pic_call): Delete.
962         (m68k_legitimize_call_address): New function.
963         (print_operand): Remove the %o prefix.  Handle the %p prefix.
964         (output_call): New function.
965         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
966         target address from the GOT if symbolic jumps are not allowed.
967         * config/m68k/m68k.md (call, general_operand): Do not set
968         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
969         Merge separate flag_pic and !flag_pic define_insns into...
970         (*call, *call_value): ...these new patterns.  Match the address
971         rather than the containing MEM and require it to be a call_operand.
972         Use output_call to generate the asm template.
973         * config/m68k/predicates.md (const_call_operand): New predicate.
974         (call_operand): Likewise.
976 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
978         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
979         (STACK_GROWS_DOWNWARD): Define to 1.
980         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
981         comments, emphasizing that these values are only defaults.
982         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
983         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
985 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
987         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
989 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
990             Richard Sandiford  <richard@codesourcery.com>
992         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
993         (FP_REGNO_P): New macros.
994         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
995         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
996         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
997         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
999 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1001         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1002         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1003         to $tmake_file.
1004         * config/m68k/t-floatlib: New file, extracting common code from...
1005         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1006         * config/m68k/t-uclinux: Here.
1007         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1008         routines on ColdFire targets.
1010 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1012         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1013         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1014         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1015         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1016         explicitly set MOTOROLA to 1.
1017         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1019 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1020             Nathan Sidwell  <nathan@codesourcery.com>
1022         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1023         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1024         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1025         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1026         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1027         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1028         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1029         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1030         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1031         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1032         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1033         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1034         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1035         (DBX_REGISTER_NUMBER): Delete.
1036         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1037         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1038         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1040 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1042         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1043         * config/flat.h: New file.
1044         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1045         OBJECT_FORMAT_FLAT.
1046         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1047         indirect references for -msep-data or -mid-shared-library.
1048         Do not use PC-relative code addresses either.
1049         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1050         to -mpcrel.
1051         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1052         for shared libraries and crt1.o for executables.  Use crti.o and
1053         crtbegin.o.
1054         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1055         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1056         Do not add -elf2flt or -shared-lib-id options here.
1057         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1058         Pass -shared-lib-id if -mid-shared-library, taking the library
1059         identifier from -mshared-library-id if given, otherwise
1060         defaulting to 0.
1061         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1062         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1063         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1064         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1065         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1066         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1067         and crtend.o.
1068         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1069         jump sequence for ISA A and ISA A+.
1070         (PICJUMP): Likewise.
1072 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1074         * config.gcc (m68k-*-uclinux*): Base the port on the common
1075         and m68k GNU/Linux files rather than on the generic ELF ones.
1076         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1077         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1079 2007-01-18  Julian Brown  <julian@codesourcery.com>
1080             Richard Sandiford  <richard@codesourcery.com>
1082         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1083         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1084         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1085         before redefining.
1086         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1087         80 unconditionally.
1088         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1090 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1092         * doc/install.texi: Document m68k-uclinuxoldabi.
1093         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1094         * config/m68k/uclinux-oldabi.h: New file, copied from
1095         config/m68k/uclinux.h.
1097 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1099         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1100         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1101         (m32r_compute_frame_size): Use unsigned for regno.
1102         (m32r_reload_lr): Use gen_frame_mem.
1103         (pop): New.
1104         (m32r_output_function_epilogue): Don't output the function epilogue
1105         textually here.
1106         (m32r_expand_epilogue): New.
1107         (direct_return): Return false if the function has the interrupt
1108         attribute.
1109         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1110         * config/m32r/m32r.md (epilogue): New expander.
1111         (return_lr, return_rte): New insns.
1112         (return): Make it expander.
1113         (return_normal): New expander.
1115 2007-01-18  Josh Conner  <jconner@apple.com>
1117         PR target/30485
1118         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1119         support for UNLE, UNLT, UNGE, and UNGT.
1121 2007-01-18  Jan Hubicka  <jh@suse.cz>
1123         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1124         * tree-tailcall (add_virtual_phis): Likewise.
1125         (optimize_tail_call): Return TODOs.
1126         (execute_tail_calls): Return TODOs.
1127         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1128         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1129         changed.
1130         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1131         Cleanup cfg using TODO.
1132         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1133         * passes.c (execute_function_todo): When cleanup did something, remove
1134         unused locals.
1135         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1136         (make_edges): Don't cleanup_cfg.
1138 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1140         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1141         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1142         operate on the top of stack.
1143         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1144         register handling of instructions that output to the second
1145         stack slot.
1146         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1147         (move_for_stack_reg): Special-case check for dead destination
1148         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1150         * config/i386/i386.md (UNSPEC_TAN): New constant.
1151         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1152         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1153         to correctly model move of constant 1.0 to top stack slot.
1154         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1155         (unnamed peephole2 pattern): Remove corresponding peephole2
1156         pattern that optimizes tan insn and loading of constant 1.0.
1157         (tanxf2): Use fptanxf4_i387.
1158         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1159         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1160         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1161         disable patterns for SSE math.
1162         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1163         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1165 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1166             Richard Guenther <rguenther@suse.de>
1168         PR diagnostic/8268
1169         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1170         * common.opt (Warray-bounds): Add new warning option.
1171         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1172         if -Wall is given.
1173         * Makefile.in: make tree-vrp.o depend on toplev.h
1174         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1175         is enabled.
1176         (check_array_refs, check_array_bounds, check_array_ref): New.
1178 2007-01-18  Jan Hubicka  <jh@suse.cz>
1180         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1181         (execute_ssa_ccp): Return flags conditionally.
1182         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1183         changed.
1184         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1186 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1188         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1189         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1191         * Makefile.c (GTFILES): Add cfglayout.h.
1192         * gengtype.c (open_base_files): Likewise.
1193         * cfglayout.c (cfg_layout_function_footer,
1194         cfg_layout_function_header) Reindent to make gengtype happy.
1195         * cfglayout.h (cfg_layout_function_footer,
1196         cfg_layout_function_header): Add GTY(()) marker.
1198         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1200 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1202         * genautomata.c (write_automata): Include xstrerror output in the
1203         error message if writing the DFA description file fails.
1205 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1207         * config/mips/mips-protos.h (mips_output_external): Make it
1208         return void.
1209         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
1210         * config/mips/mips.c (irix_output_external_libcall): Likewise.
1211         (extern_list): Likewise.
1212         (extern_head): Likewise.
1213         (TARGET_ASM_FILE_END): Likewise.
1214         (mips_file_end): Likewise.
1215         (mips_output_external): Rewritten.
1217 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1219         * genpreds.c (write_insn_preds_c): Only write out the function
1220         body for regclass_for_constraint if we have register constraints.
1222 2007-01-17  Tom Tromey  <tromey@redhat.com>
1224         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
1225         * doc/install.texi (Testing): Use sourceware.org.
1226         (Binaries): Likewise.
1227         (Specific): Likewise.
1228         * doc/contrib.texi (Contributors): Use sourceware.org.
1230 2007-01-17  Anatoly Sokolov <aesok@post.ru>
1232         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
1233         (AVR_ENHANCED): Rename to ...
1234         (AVR_HAVE_MUL): ... new.
1235         (avr_enhanced_p): Rename to ...
1236         (avr_have_mul_p): ... new.
1237         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
1238         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
1239         * config/avr/avr.c (avr_enhanced_p): Rename to ...
1240         (avr_have_mul_p): ... new.
1241         (base_arch_s): Rename 'enhanced' to 'have_mul'.
1242         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
1243         'avr_enhanced_p' and 'enhanced'.
1244         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
1245         AVR_HAVE_MUL instead of AVR_ENHANCED.
1246         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1247         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
1248         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
1249         instead of AVR_ENHANCED.
1250         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
1251         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
1252         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
1254 2007-01-17  Ian Lance Taylor  <iant@google.com>
1256         * vec.h (VEC_reserve_exact): Define.
1257         (vec_gc_p_reserve_exact): Declare.
1258         (vec_gc_o_reserve_exact): Declare.
1259         (vec_heap_p_reserve_exact): Declare.
1260         (vec_heap_o_reserve_exact): Declare.
1261         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1262         versions.
1263         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1264         negative parameter.
1265         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1266         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1267         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1268         * vec.c (calculate_allocation): Add exact parameter.  Change all
1269         callers.
1270         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1271         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1272         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1273         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1274         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1275         (vec_heap_p_reserve_exact): New function.
1276         (vec_heap_o_reserve_exact): New function.
1278 2007-01-17  Jan Hubicka  <jh@suse.cz>
1280         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
1282 2007-01-17  Eric Christopher  <echristo@apple.com>
1284         * config.gcc: Support core2 processor.
1286 2007-01-16  Jan Hubicka  <jh@suse.cz>
1288         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
1289         the names, just unlink the chain so we don't crash on dangling pointers
1290         to dead SSA names.
1292 2007-01-16  Jan Hubicka  <jh@suse.cz>
1294         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
1295         * tree-pass.h: Reorder to make IPA passes appear toegher.
1296         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
1297         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
1298         parameters, do not call early inliner.
1299         * ipa-inline.c: Update comments.  Include tree-flow.h
1300         (cgraph_decide_inlining): Do not compute inlining parameters.
1301         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
1302         be called with function context set up.
1303         (pass_ipa_inline): Remove unreachable functions before pass.
1304         (cgraph_early_inlining): Simplify assuming to be called from the
1305         PM as local pass.
1306         (pass_early_inline): New pass.
1307         (cgraph_gate_ipa_early_inlining): New gate.
1308         (pass_ipa_early_inline): Turn into simple wrapper.
1309         (compute_inline_parameters): New function.
1310         (gate_inline_passes): New gate.
1311         (pass_inline_parameters): New pass.
1312         (apply_inline): Move here from tree-optimize.c
1313         (pass_apply_inline): New pass.
1314         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
1315         transforming.
1316         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
1317         doing them by hand.
1318         (tree_function_versioning): Do not allocate dummy struct function.
1319         * tree-inline.h (optimize_inline_calls): Update prototype.
1320         * tree-optimize.c (execute_fixup_cfg): Export.
1321         (pass_fixup_cfg): Remove
1322         (tree_rest_of_compilation): Do not apply inlines.
1323         * tree-flow.h (execute_fixup_cfg): Declare.
1324         * Makefile.in (gt-passes.c): New.
1325         * passes.c: Include gt-passes.h
1326         (init_optimization_passes): New passes.
1327         (nnodes, order): New static vars.
1328         (do_per_function_toporder): New function.
1329         (execute_one_pass): Dump current pass here.
1330         (execute_ipa_pass_list): Don't dump current pass here.
1332 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
1334         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
1335         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
1337 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1339         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1340         (strong_alias): Define.
1341         (__gcc_qmul): Provide non-FMA for soft-float.
1342         (__gcc_qdiv): Same.
1343         (__gcc_qneg): New.
1344         (__gcc_qeq): New.
1345         (__gcc_qle): New.
1346         (__gcc_qge): New.
1347         (__gcc_qunord): New.
1348         (__gcc_stoq): New.
1349         (__gcc_dtoq): New.
1350         (__gcc_qtos): New.
1351         (__gcc_qtod): New.
1352         (__gcc_qtoi): New.
1353         (__gcc_qtou): New.
1354         (__gcc_itoq): New.
1355         (__gcc_utoq): New.
1356         (fmsub): New.
1357         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1358         soft-float functions.
1359         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1360         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1361         about long double soft float.
1363 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
1364             Tehila Meyzels  <tehila@il.ibm.com>
1366         * tree-vectorizer.h (is_pattern_stmt_p): New.
1367         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
1368         formatting (tabs instead of spaces). Cleanup and clarify setting
1369         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
1370         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
1371         (vectorizable_type_demotion): Check that types are integral.
1372         (vectorizable_type_promotion): Likewise.
1373         (vectorizable_store): Fix typo.  Eliminate new-line at end of
1374         comments.
1376 2007-01-16  Jan Hubicka  <jh@suse.cz>
1378         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
1379         cgraph edges too.
1381 2007-01-15  Eric Christopher  <echristo@apple.com>
1383         * ifcvt.c: Include vec.h, vecprim.h.
1384         (check_cond_move_block): New argument regs.
1385         Reorganize. Add registers used to regs.
1386         (cond_move_process_if_block): Use regs set above as
1387         loop bounds.
1389 2007-01-15  Eric Christopher  <echristo@apple.com>
1391         * config/darwin.h: Update copyright.
1392         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1393         (LINK_COMMAND_SPEC): Add -u.
1394         (LINK_SPEC): Fix umbrella for above.
1396 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1398         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1399         glibc CVS.
1401 2007-01-15  Tom Tromey  <tromey@redhat.com>
1403         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1404         * doc/install.texi (Testing): Don't mention jacks.
1405         (Configuration): Document --enable-java-maintainer-mode.  Move
1406         --with-java-home to libgcj-specific section.  Document
1407         --with-ecj-jar.
1408         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1410 2007-01-15  Jan Hubicka  <jh@suse.cz>
1412         * tree-ssa-dce.c (DCE_TODOs): New.
1413         (propagate_necessity): Return if something changed.
1414         (eliminate_unnecessary_stmts): Likewise.
1415         (perform_tree_ssa_dce): Return TODO flags when needed.
1416         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1418 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1420         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1421         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1422         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1423         patterns using X87MODEF12 mode macro.  Extend operand 1
1424         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1425         (log10<mode>2): Ditto.
1426         (log2<mode>2): Ditto.
1427         (log1p<mode>2): Ditto.
1428         (logb<mode>2): Ditto.
1429         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1430         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1431         (*fxtractxf3_i387): Rename from *fxtractxf3.
1432         (fxtract_extend<mode>xf3_i387): New insn pattern.
1433         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1434         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1435         and gen_fyl2xxf3_i387().
1437 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1439         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1440         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1441         get_loop_exit_edges.  Changed return type to bool.
1442         * cfgloop.h (fix_loop_placement): Declaration removed.
1444 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1446         * param.h (MIN_VECT_LOOP_BOUND): New.
1447         * params.def (MIN_VECT_LOOP_BOUND): New.
1448         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1449         argument - minimum threshold for number of iterations.
1450         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1451         argument to declaration.
1452         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1453         MIN_VECT_LOOP_BOUND.
1454         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1455         slpeel_tree_peel_loop_to_edge with additional argument.
1456         (vect_do_peeling_for_alignment): Likewise.
1457         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1459 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1461         PR target/30413
1462         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1463         operands of size 1.
1465 2007-01-14  Jan Hubicka  <jh@suse.cz>
1467         * tree-dfa.c (remove_referenced_var): New function.
1468         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1469         prune referenced vars list too.
1470         * tree-flow.h (remove_referenced_var): Declare.
1472 2007-01-14  Jan Hubicka  <jh@suse.cz>
1474         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1475         separately.
1476         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1477         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1478         * except.h (verify_eh_throw_table_statements): Kill prototype.
1479         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1480         into call exrepssions.
1481         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1482         eh trhow verifier.
1483         * tree-cfg.c: Include pointer-set.h.
1484         (verify_node_sharing): Work on pointer set.
1485         (verify_eh_throw_stmt_node): New.
1486         (verify_stmts): Use pointers sets, verify throw_stmt.
1488 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1490         * ipa-reference.c (analyze_function): Consider also addresses taken
1491         in phi nodes.
1493 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1495         * c-typeck.c (null_pointer_constant_p): Replace use of
1496         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1497         (build_c_cast): Likewise.
1499 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1501         * tree.h (force_fit_type_double): Remove unused final argument.
1502         * c-common.c (constant_expression_warning): Replace use of
1503         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1504         (convert_and_check): Likewise.
1505         (shorten_compare): Update call to force_fit_type_double.
1506         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1507         * convert.c (convert_to_pointer): Update call to
1508         force_fit_type_double.
1509         * fold-const.c (force_fit_type_double): Remove overflowed_const
1510         argument.
1511         (int_const_binop, fold_convert_const_int_from_int,
1512         fold_convert_const_int_from_real, fold_div_compare,
1513         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1514         fold_abs_const, fold_not_const): Remove the final argument from
1515         calls to force_fit_type_double.
1517 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1519         * configure.ac: Set insn to "nop" for spu-*-* also.
1520         * configure: Regenerate.
1522 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1524         * builtins.def : Add BUILT_IN_FREE.
1526 2007-01-12  Jan Hubicka  <jh@suse.cz>
1528         PR tree-optimization/30443
1529         * tree-inline.c (tree_function_versioning): Do not optimize when
1530         cloning for inlining.
1532 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1534         * doc/loop.texi: Document recording of loop exits.
1535         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1536         (update_single_exits_after_duplication,
1537         update_single_exit_for_duplicated_loop,
1538         update_single_exit_for_duplicated_loops): Removed.
1539         (duplicate_loop_to_header_edge): Do not call
1540         update_single_exits_after_duplication and
1541         update_single_exit_for_duplicated_loops.
1542         (loop_version): Do not update single_exit information.
1543         (fix_loop_structure): Use record_loop_exits instead of
1544         mark_single_exit_loops.
1545         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1546         the lists of loop exits.
1547         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1548         split_edge, merge_blocks): Update the lists of loop exits.
1549         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1550         loop_optimizer_init.
1551         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1552         of mark_single_exit_loops.
1553         (loop_optimizer_finalize): Call release_recorded_exits.
1554         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1555         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1556         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1557         update single exit information.
1558         * lambda-code.c (perfect_nestify): Ditto.
1559         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1560         (mark_single_exit_loops): Removed.
1561         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1562         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1563         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1564         functions.
1565         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1566         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1567         (verify_loop_structure): Verify consistency of the exit lists.
1568         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1569         (set_single_exit): Removed.
1570         * cfgloop.h (struct loop_exit): New function.
1571         (struct loop): single_exit_ field replaced by exits field.
1572         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1573         (struct loops): Added exits hash.
1574         (mark_single_exit_loops, set_single_exit): Declaration removed.
1575         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1577 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1579         * doc/invoke.texi: Avoid use of @headitem.
1581 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1583         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1585 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1587         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1588         list of targets.
1590 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1591             Richard Sandiford  <richard@codesourcery.com>
1593         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1594         * config/m68k/m68k.opt: Resort options.
1595         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1597 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1598             Richard Sandiford  <richard@codesourcery.com>
1600         * doc/invoke.texi: Document the macros that are defined by
1601         m68k's -mtune and -mhard-float options.
1602         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1603         (m68k_cpp_cpu_family): Likewise.
1604         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1605         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1606         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1607         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1608         (m68k_cpp_cpu_family): Likewise.
1610 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1612         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1613         macros besides mc68000 as tuning macros.  Use a switch statement
1614         to set them and mcpu32.
1616 2007-01-12  Julian Brown  <julian@codesourcery.com>
1618         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1619         (TARGET_68040_ONLY): Rename to...
1620         (TARGET_68040): ...this.
1621         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1622         * config/m68k/m68k.md: Likewise.
1624 2007-01-12  Julian Brown  <julian@codesourcery.com>
1625             Nathan Sidwell  <nathan@codesourcery.com>
1626             Richard Sandiford  <richard@codesourcery.com>
1628         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1629         the -mcpu= argument associated with the --with-cpu setting.
1630         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1631         if different from the one implied by the -mcpu setting.
1632         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1633         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1634         * doc/invoke.texi: Mention ColdFire in the introduction to the
1635         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1636         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1637         -mhard-float.  Document the previously-undocumented -m5206e,
1638         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1639         documentation for consistency.
1640         * doc/install.texi: Mention new --with-cpu arguments.
1641         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1642         default CPU if neither -mcpu nor -march are specified.
1643         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1644         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1645         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1646         using m68k_tune to decide between families that implement the
1647         same ISA.  Use m68k_tune to set __mcfv4e__.
1648         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1649         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1650         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1651         (FL_ISA_C, FL_ISA_MMU): New macros.
1652         (MASK_COLDFIRE): Delete.
1653         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1654         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1655         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1656         (TARGET_HARD_FLOAT): Do not define here.
1657         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1658         (TUNE_68000): New macro.
1659         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1660         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1661         (TUNE_CFV2): Redefine in terms of m68k_tune.
1662         (uarch_type, target_device, fpu_type): New enums.
1663         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1664         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1665         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1666         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1667         (FL_FOR_isa_c): New macros.
1668         (m68k_isa): New enum.
1669         (m68k_target_selection): New structure.
1670         (all_devices, all_isas, all_microarchs): New tables.
1671         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1672         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1673         (MASK_ALL_CPU_BITS): Delete.
1674         (m68k_find_selection): New function.
1675         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1676         Map the legacy target options to a combination of the new ones.
1677         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1678         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1679         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1680         settings.
1681         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1682         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1683         properties.
1684         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1685         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1686         * config/m68k/m68k-devices.def: New file.
1688 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1689             Nathan Sidwell  <nathan@codesourcery.com>
1691         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1692         (SUBTARGET_EXTRA_SPECS): New macros.
1693         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1694         use %(asm_cpu_spec) instead.
1695         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1696         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1697         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1698         (EXTRA_SPECS): Rename to...
1699         (SUBTARGET_EXTRA_SPECS): ...this.
1701 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1702             Richard Sandiford  <richard@codesourcery.com>
1703             Julian Brown  <julian@codesourcery.com>
1705         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1706         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1707         to the configuration's default CPU.
1708         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1709         Remove default masks.
1710         (m680[012]0-*-*): Set the default with_cpu to the first part of
1711         the target name.
1712         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1713         (m68k*-*-linux): Extend the --with-cpu handling to...
1714         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1715         and m68010.  Don't set target_cpu_default2.
1716         * doc/install.texi: Document --with-cpu for m68k.
1717         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1718         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1719         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1720         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1721         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1722         (ASM_SPEC): Remove use of %(asm_cpu_default).
1723         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1724         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1725         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1726         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1727         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1728         (TARGET_DEFAULT): Delete.
1729         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1730         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1731         (CPP_CPU_SPEC): Delete.
1732         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1733         the appropriate string.
1734         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1735         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1736         (ASM_SPEC): Don't use %(asm_default_spec).
1737         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1738         TARGET_DEFAULT and add MASK_68881.
1739         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1741 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1743         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1744         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1745         MASK_68010 alongside MASK_68020.
1746         * doc/invoke.texi: Document -m68010.
1747         * config/m68k/m68k.opt (m68010): New.
1748         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1749         if TUNE_68010.
1750         (TUNE_68010): New macro.
1751         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1752         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1753         (M68K_CPU_m68332): Add MASK_68010.
1754         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1755         fallback definition.
1756         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1757         defines.
1758         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1759         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1760         to all entries that use MASK_68020.
1761         (output_move_simode_const, output_move_himode, output_move_qimode)
1762         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1763         instead of TARGET_68020 to select clr behavior.  Remove comment
1764         about there being no TARGET_68010.
1765         * config/m68k/m68k.md: Likewise throughout.
1767 2007-01-12  Julian Brown  <julian@codesourcery.com>
1769         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1770         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1771         * config/m68k/m68k.md: Likewise.
1773 2007-01-12  Julian Brown  <julian@codesourcery.com>
1775         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1776         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1778 2007-01-12  Julian Brown  <julian@codesourcery.com>
1780         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1781         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1782         * config/m68k/m68k.md: Likewise.
1784 2007-01-12  Julian Brown  <julian@codesourcery.com>
1785             Richard Sandiford  <richard@codesourcery.com>
1787         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1788         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1789         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1790         TARGET_CPU32.
1791         (TARGET_CPU32): Rename to...
1792         (TUNE_CPU32): ...this.
1793         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1794         (TUNE_CFV2): New macros.
1795         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1796         remove conditions that are implied by TARGET_68020.
1797         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1798         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1799         (m68k_output_function_epilogue): Likewise.
1800         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1801         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1802         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1803         non-68000 timings.  Refactor multiplication and division costs.
1804         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1805         TUNE_CPU32 instead of TARGET_CPU32.
1806         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1807         and TUNE_68060 instead of TARGET_68060.
1808         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1809         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1810         TARGET_CPU32.
1811         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1812         && !TARGET_COLDFIRE" to choose between moveq and clr.
1813         Likewise in the unnamed movsf pattern.
1814         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1815         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1816         ashiftrt pattern.
1818 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1820         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1821         of tabbing before backslashes.
1823 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1825         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1826         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1827         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1829 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1831         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1832         find_interesting_uses_cond.
1833         (find_interesting_uses_cond): Use extract_cond_operands.
1834         (rewrite_use_compare): Use extract_cond_operands and
1835         force_gimple_operand_bsi.  Do not call update_stmt.
1836         (determine_use_iv_cost_condition): Use extract_cond_operands.
1837         Return cheaper of using original bound and changing the exit bound.
1839 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1841         PR tree-optimization/29516
1842         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1843         most_expensive_mult_to_index, addr_to_parts,
1844         create_mem_ref, maybe_fold_tmr): Make the type of
1845         fields of TARGET_MEM_REF sizetype.
1846         (move_fixed_address_to_symbol, move_pointer_to_base):
1847         New functions.
1848         * tree.def (TARGET_MEM_REF): Add comment on types of
1849         the operands.
1851 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1853         * c-common.c (vector_types_convertible_p): Treat opaque types as
1854         always convertible if they have the same size, but not otherwise.
1856 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1858         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1859         Remove the b_unconditional field.
1860         (noce_try_sign_mask): Do not look at b_unconditional.
1861         (noce_process_if_block): Do not use merge_if_blocks.  Update
1862         the CFG here.  Do not set b_unconditional.
1863         (cond_move_process_if_block): Likewise.
1864         (find_cond_trap): Likewise.
1865         (check_cond_move_block): Require simple jump insns at the end
1866         of the basic block.
1868 2007-01-11  Jan Hubicka  <jh@suse.cz>
1870         PR tree-optimization/1046
1871         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1872         when alias info is not ready.
1873         (pass_tail_recursion): Do not require aliasing.
1874         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1875         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1876         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1877         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1878         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1879         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1880         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1881         before inlining.
1882         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1883         When aliasing is not build, mark statement as volatile.
1885 2007-01-11  Tom Tromey  <tromey@redhat.com>
1887         PR preprocessor/15185, PR preprocessor/20989:
1888         * doc/cppopts.texi <-MT>: Update description of algorithm for
1889         computing default target.
1890         <-M, -MD>: Reword "basename" text.
1892 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1894         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1895         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1896         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1897         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1898         fold_builtin_bswap, real_constp, fold_builtin_pow,
1899         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1900         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1901         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1902         * convert.c (convert_to_pointer): Likewise.
1903         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1904         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1905         const_binop, fold_convert_const_int_from_int,
1906         fold_convert_const_int_from_real,
1907         fold_convert_const_real_from_real, sign_bit_p,
1908         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1909         fold_sign_changed_comparison, fold_unary, fold_comparison,
1910         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1911         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1912         * print-tree.c (print_node_brief, print_node): Likewise.
1913         * stor-layout.c (place_field, layout_type): Likewise.
1914         * tree-chrec.c (keep_cast): Likewise.
1915         * tree.c (build_vector, build_real, build_real_from_int_cst,
1916         build_complex): Likewise.
1918 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1920         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1921         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1923 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1925         * configure.ac (strict1_warn): Rename to strict_warn.
1926         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1927         cc_set_by_configure, quoted_cc_set_by_configure,
1928         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1929         all_boot_languages, all_stagestuff): Remove.
1930         (target_list): Remove bootstrap targets.
1931         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1932         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1933         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1934         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1935         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1936         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1937         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1938         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1939         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1940         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1941         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1942         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1943         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1944         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1945         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1946         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1947         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1948         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1949         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1950         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1951         (mostlyclean): Adjust.
1952         (clean, distclean): Don't mention bootstrap stuff.
1953         * configure: Regenerate.
1954         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1955         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1956         treelang/config-lang.in (stagestuff): Remove.
1957         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1958         stageprofile, stagefeedback, stagestuff): Remove mention.
1960 2007-01-11  Nick Clifton  <nickc@redhat.com>
1962         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1963         Accept CONSTs.
1964         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1965         (mcore_arith_K_S_operand): Run the test for the S constraint not
1966         the test for the M constraint.
1967         (mcore_addsub_operand): Do not accept integer values that are
1968         larger than 32 bits.
1969         * config/mcore/mcore.md: Remove unused constraints from split.
1970         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1971         (addsi3): Likewise.
1972         (allocate_stack): Likewise.
1973         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1974         operands to 32 bits.
1975         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1976         INTVAL.
1977         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1978         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1979         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1980         mcore_output_bclri, mcore_output_andn, output_inline_const,
1981         mcore_output_move, mcore_output_movedouble): Likewise.
1982         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1983         (output_inline_const): Likewise.
1984         (output_inline_const): Fix format strings used in sprintf
1985         statements.
1986         * config/mcore/mcore-protos.h: Update prototypes for changed
1987         functions in mcore.c.
1988         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1989         HOST_WIDE_INT and not int.
1990         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1991         CONST_OK_FOR_N): Likewise.
1992         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1993         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1994         an INTVAL.
1996 2007-01-10  Jan Hubicka  <jh@suse.cz>
1998         * tree-vrp.c (remove_range_assertions): Release defs.
1999         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2000         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2002 2007-01-10  Paul Brook  <paul@codesourcery.com>
2004         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2005         * config/arm/arm.md (mulsi3subsi): New insn.
2007 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2009         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2010         (tree_transform_and_unroll_loop): New.
2011         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2012         Declare.
2014 2007-01-10  Robert Kennedy <jimbob@google.com>
2016         * fold-const.c (fold_comparison): Fold comparisons like (x *
2017         1000 < 0) to (x < 0).
2019 2007-01-10  Ian Lance Taylor  <iant@google.com>
2021         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2022         operands have the same priority.
2024 2007-01-10  Tom Tromey  <tromey@redhat.com>
2026         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2027         (fold_binary): Likewise.
2028         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2029         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2030         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2031         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2032         * langhooks.h (struct lang_hooks): Removed field
2033         'can_use_bit_fields_p'.
2035 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
2037         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2039 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2041         * function.c (get_last_funcdef_no): New function.
2042         * function.h (get_last_funcdef_no): Declare.
2043         * tree-inline.c (initialize_cfun): Add initialization.
2044         (tree_function_versioning): Cleanup.
2046 2007-01-10  Jan Hubicka  <jh@suse.cz>
2048         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2049         PHIs.
2051 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2052             Ben Elliston  <bje@au.ibm.com>
2054         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2055         for SAVE_NONLOCAL and Pmode for any other save level.
2056         * spu-protos.h (spu_restore_stack_block): Declare.
2057         * spu.md (save_stack_block): Remove.
2058         (restore_stack_block): Call spu_restore_stack_block.
2059         * spu.c (spu_restore_stack_block): New function.
2060         (spu_expand_epilogue): Remove old comment.
2062 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2064         PR tree-optimization/30322
2065         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2066         (cand_value_at): Return the value as aff_tree.
2067         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2068         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2069         aff_combination_mult): New functions.
2070         (aff_combination_add): Use aff_combination_add_cst.
2071         (aff_combination_convert): Allow conversions to a wider type.
2072         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2073         * tree-affine.h (aff_combination_mult): Declare.
2075 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2077         * doc/tm.texi: Update documentation to reflect reality of exec
2078         and start file search behaviours. Update copyright year.
2079         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2080         header file directories.
2082 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2084         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2085         (*cosxf2): Rename to cosxf2_i387.
2086         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2087         using X87MODEF12 mode macro. Rename patterns to
2088         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2089         for SSE math.
2090         (*cosdf2, *cossf2): Ditto.
2091         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2092         to match extended input operands.
2093         (sincos<mode>3): New expander.
2094         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2095         insn patterns and corresponding splitters.
2097 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2099         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2100         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2102 2007-01-09  Nicolas Pitre  <nico@cam.org>
2104         PR target/30173
2105         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2107 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2109         * target.h (struct gcc_target): New field library_rtti_comdat.
2110         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2111         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2112         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2113         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2115 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2117         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2119 2007-01-08  Richard Guenther  <rguenther@suse.de>
2121         * tree.h (force_fit_type_double): Export.
2122         (force_fit_type): Remove.
2123         * fold-const.c (force_fit_type_double): New function.
2124         (force_fit_type): Remove.
2125         (int_const_binop): Use it.
2126         (fold_convert_const_int_from_int): Likewise.
2127         (fold_convert_const_int_from_real): Likewise.
2128         (fold_div_compare): Likewise.
2129         (fold_sign_changed_comparison): Likewise.
2130         (fold_unary): Likewise.
2131         (fold_negate_const): Likewise.
2132         (fold_abs_const): Likewise.
2133         (fold_not_const): Likewise.
2134         * c-common.c (shorten_compare): Use force_fit_type_double.
2135         * convert.c (convert_to_pointer): Likewise.
2137 2007-01-08  Richard Guenther  <rguenther@suse.de>
2139         * tree.h (build_int_cst_wide_type): Export.
2140         * tree.c (build_int_cst_wide_type): New function.
2141         (build_int_cst_wide): Fix comment.
2142         * builtins.c (fold_builtin_object_size): Use build_int_cst
2143         to build -1 or 0 of the correct type.  Use fit_double_type
2144         to check for overflow.
2145         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2146         to build the mask.
2147         (decode_field_reference): Likewise.
2148         (all_ones_mask_p): Likewise.
2149         (native_interpret_int): Use build_int_cst_wide_type.
2150         (fold_binary): Use build_int_cst_type to build an all-ones
2151         value.
2152         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2154 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2156         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2158 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2160         * genautomata.c (STATS_OPTION): New option.
2161         (stats_flag): New flag.
2162         (gen_automata_option): Handle it.
2163         (initiate_automaton_gen): Ditto.
2164         (write_automata): Output statistics only if stats_flag is
2165         set. Likewise, output time statistics only if time_flag is set.
2166         * doc/md.texi (Processor pipeline description): Document new flag.
2168 2007-01-08  Richard Guenther  <rguenther@suse.de>
2170         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2171         * tree.c (build_int_cst_type): Likewise.
2172         (size_in_bytes): Don't call force_fit_type on the result.
2173         (int_fits_type_p): Use fit_double_type.
2174         * fold-const.c (fit_double_type): New function.
2175         (force_fit_type): Use it.
2176         * tree.h (fit_double_type): Export.
2178 2007-01-08  Jan Hubicka  <jh@suse.cz>
2180         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2181         * ipa.c (function_and_variable_visibility): Fix return type.
2183 2007-01-08  Richard Guenther  <rguenther@suse.de>
2185         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2186         of offset to build the index.
2187         * tree-pretty-print.c (dump_generic_node): Don't build negated
2188         const just for printing.
2189         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2190         * builtins.c (fold_builtin_int_roundingfn): Check if result
2191         fits the type by using force_fit_type and comparing the result.
2192         * predict.c (predict_loops): Use compare_tree_int for comparison.
2193         * tree.c (build_int_cst): Fall back to integer_type_node for
2194         NULL_TREE type.
2195         (build_int_cst_wide): Assert type is non-null.
2197 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2199         * tree-vrp.c (extract_range_from_cond_expr): New.
2200         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2201         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2202         as expressions.
2203         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2204         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2205         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2206         used as expressions.
2207         * tree-object-size.c (cond_expr_object_size): New.
2208         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
2210 2007-01-08  Jan Hubicka  <jh@suse.cz>
2212         * tree-ssa-forwprop.c (forward_propagate_into_cond,
2213         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
2214         statement.
2216 2007-01-08  Richard Guenther  <rguenther@suse.de>
2218         PR tree-optimization/23603
2219         * tree-vrp.c (set_value_range_to_truthvalue): New function.
2220         (extract_range_from_binary): Fall back to truthvalue instead of
2221         varying for TRUTH_*_EXPR.
2222         (extract_range_from_comparison): Fall back to truthvalue instead of
2223         varying.
2224         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
2225         if all visited PHI values were constant.
2227 2007-01-08  Jan Hubicka  <jh@suse.cz>
2229         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
2230         (cgraph_analyze_function): break out from ...
2231         (cgraph_finalize_compilation_unit): ... here.
2232         (cgraph_expand_function): Remove forgoten commented out line.
2233         (cgraph_optimize): Analyze functions.
2235 2007-01-08  Jan Hubicka  <jh@suse.cz>
2237         * tree-pas.h (TODO_remove_function): New flag.
2238         (TODO_update*): Renumber.
2239         (pass_ipa_increase_alignment,
2240         pass_ipa_function_and_variable_visibility): New passes.
2241         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
2242         (cgraph_function_and_variable_visibility): Move to ipa.c
2243         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
2244         cgraph_increase_alignment.
2245         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
2246         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
2247         calling tree-inline.
2248         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
2249         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
2250         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
2251         (gate_increase_alignment): New function.
2252         (pass_ipa_increase_alignment): New pass.
2253         * ipa.c: Inline tree-pass.h and timevar.h
2254         (function_and_variable_visibility): Move here from cgraphunit.c
2255         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
2256         * passes.c (init_optimization_passes): Add the two new passes.
2257         (execute_todo): Handle cgraph_remove_functions.
2259 2007-01-08  Nick Clifton  <nickc@redhat.com>
2261         * config/frv/predicates.md (reg_or_0_operand): Accept
2262         CONST_DOUBLEs.
2264 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
2266         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2267         * config.gcc: Add bfin*-rtems*.
2269 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2271         * c.opt: Add -flax-vector-conversions.
2272         * c-typeck.c (convert_for_assignment): Pass flag to
2273         vector_types_convertible_p to allow emission of note.
2274         (digest_init): Likewise.
2275         * c-opts.c: Handle -flax-vector-conversions.
2276         * c-common.c (flag_lax_vector_conversions): New.
2277         (vector_types_convertible_p): Unless -flax-vector conversions
2278         has been passed, disallow conversions between vectors with
2279         differing numbers of subparts and/or element types.  If such
2280         a conversion is disallowed, possibly emit a note on the first
2281         occasion only to inform the user of -flax-vector-conversions.
2282         The new last argument specifies this.
2283         * c-common.h (flag_lax_vector_conversions): New.
2284         (vector_types_convertible_p): Add extra argument.
2285         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
2286         char_type_node for V*QI type vectors.
2287         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
2288         Update to satisfy new typechecking rules.
2289         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
2290         C and C++ variants.
2291         * doc/invoke.texi (C Dialect Options): Document
2292         -flax-vector-conversions.
2294 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
2296         PR tree-optimization/29877
2297         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
2298         a register variable on the RHS to not be replaceable.
2300 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
2301         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2302         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2303         const_simm15, const_pow2, const_npow2): Added.
2304         * config/score/misc.md (insv, extv, extzv, movmemsi,
2305         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2306         * config/score/score.c (score_address_cost, score_select_cc_mode):
2307         Added.
2308         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2309         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2310         Update score_print_operand.
2311         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2312         Adjust register allocate order and update some macro define.
2313         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2314         mdx_block_move_straight, mdx_block_move_loop_head,
2315         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2316         mdx_block_move): Added.
2317         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2318         mdp_limm): Updated and fix some bug and typo.
2319         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2320         (movsf, movdf, doloop_end): Added.
2322 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
2324         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
2325         config/arm/thumb2.md: Fix comment typos.
2326         * doc/extend.texi: Fix a typo.
2328 2007-01-07  Eric Christopher  <echristo@apple.com>
2330         * configure.ac: Check for __stack_chk_fail for darwin.
2331         * configure: Regenerate.
2333 2007-01-07  Richard Guenther  <rguenther@suse.de>
2335         * tree-vrp.c (extract_range_from_assert): CSE calls to
2336         compare_values where possible.
2337         (extract_range_from_unary_expr): Likewise.
2339 2007-01-07  Anatoly Sokolov <aesok@post.ru>
2341         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
2342         * config/avr/avr.c (call_insn_operand): Delete function.
2343         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
2344         instead of register number. Use predicates.
2345         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
2346         call_insn_operand): Add.
2348 2007-01-06  Jan Hubicka  <jh@suse.cz>
2350         * tree-pass.h (pass_build_cgraph_edges): Declare.
2351         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
2352         (visited_nodes): Remove.
2353         (cgraph_create_edges): Move to cgraphbuild.c; rename to
2354         build_cgrpah_edges; make visited_nodes local.
2355         (cgraph_process_new_functions): DO not call initialize_inline_failed.
2356         (record_references_in_initializer): Move to cgraphbuild.c
2357         (initialize_inline_failed, rebuild_cgraph_edges,
2358         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
2359         (verify_cgraph_node): Make visited_nodes local.
2360         (cgraph_analyze_function): Do not call cgraph_create_edges and
2361         initialize_inline_failed.
2362         (cgraph_expand_function): Do not call cgraph_lower_function;
2363         assert that function is already lowered.
2364         * Makefile.in (cgraphbuild.o): New.
2365         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
2366         at the end of lowering passes.
2368 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
2370         * ifcvt.c (cond_move_convert_if_block): New function, code
2371         factored out from...
2372         (cond_move_process_if_block): ...here.  Call the new function
2373         on the THEN and ELSE blocks.
2374         (merge_if_block): Do not copy global_live_at_end, merge_blocks
2375         already takes care of this.
2377 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2379         PR c/19978
2380         * tree.h (TREE_OVERFLOW_P): New.
2381         * c-typeck.c (parser_build_unary_op): Warn only if result
2382         overflowed and operands did not.
2383         (parser_build_binary_op): Likewise.
2384         (convert_for_assignment): Remove redundant overflow_warning.
2385         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2387 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2389         * c-typeck.c (store_init_value): Split over two lines to follow
2390         the GNU coding style.
2392 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2394         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2395         __GXX_EXPERIMENTAL_CXX0X__.
2396         * doc/cpp.texi: Same.
2398 2007-01-05  Richard Guenther  <rguenther@suse.de>
2400         PR middle-end/27826
2401         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2402         with mismatched types.  Instead explicitly build a
2403         conversion NOP_EXPR.
2405 2007-01-05  Ian Lance Taylor  <iant@google.com>
2407         * c-common.c (decl_with_nonnull_addr_p): New function.
2408         (c_common_truthvalue_conversion): Call it.
2409         * c-typeck.c (build_binary_op): Likewise.
2410         * c-common.h (decl_with_nonnull_addr_p): Declare.
2412 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2414         PR c/30360
2415         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2416         denom against 0.0.
2418 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2420         * doc/install.texi (Final install): Document the fact that
2421         the GNAT runtime should not be stripped.
2423 2007-01-04  Jan Hubicka  <jh@suse.cz>
2425         * tree-inline.c (fold_marked_statements): Update operand caches
2426         and EH after folding
2428 2007-01-04  Ian Lance Taylor  <iant@google.com>
2430         * c-common.c (check_function_nonnull): Whitespace fix.
2432 2007-01-04  Jan Hubicka  <jh@suse.cz>
2434         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2435         comitted older version of patch.
2436         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2437         function, celanup cfg and collect garbage.
2439 2007-01-04  Mike Stump  <mrs@apple.com>
2441         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2442         (clean): Likewise.
2444 2007-01-04  Eric Christopher  <echristo@apple.com>
2446         * libgcc2.c (__bswapsi2): Use SItype.
2447         (__bswapdi2): Use DItype.
2448         * libgcc2.h: Update for above.
2450 2007-01-04  Paul Brook  <paul@codesourcery.com>
2452         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2453         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2454         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2455         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2456         umulsi3_highpart): Make conditional on !arm_arch6.
2457         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2458         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2459         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2460         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2461         umulsi3_highpart_v6): New insns.
2463 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2465         * fold-const.c (fold_convert): When casting an expression to void,
2466         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2467         have a type.  Instead of attempting to build a NOP_EXPR, return
2468         these "special" trees directly.
2470 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2472         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2473         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2474         rs6000_cost->fp not 0 as adjustment for outer NEG.
2476 2007-01-04  Jan Hubicka  <jh@suse.cz>
2478         * cgraph.c (cgraph_release_function_body): New function.
2479         (cgraph_remove_node): Use it.
2480         * cgraph.h (cgraph_release_function_body): Declare.
2481         * cgraphunit.c (cgraph_expand_function): Use it.
2482         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2483         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2484         is initialized and while compilation of other function is running.
2485         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2486         statement CFG annotations from here to ...
2487         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2489 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2491         * cfgloop.h (enum li_flags): Make the constants powers of two.
2493 2007-01-04  Jan Hubicka  <jh@suse.cz>
2495         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2496         set.
2497         (fold_marked_statements): New function.
2498         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2499         * tree-inline.h (copy_body_data): Add statements_to_fold.
2501 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2503         * config.gcc: Mention libgcc/config.host.
2504         * Makefile.in: Update comments mentioning libgcc.
2505         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2506         (all.cross, start.encap, rest.encap, rest.cross): Update
2507         dependencies for libgcc move.
2508         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2509         (clean-target, clean-target-libgcc): Delete.
2510         (srcdirify, GCC_EXTRA_PARTS): New macros.
2511         (libgcc-support, libgcc.mvars): New rules.
2512         (distclean): Remove mention of mklibgcc.
2513         (install): Don't reference INSTALL_LIBGCC.
2514         (install-common): Don't reference EXTRA_PARTS.
2515         (install-libgcc, install-multilib): Delete rules.
2516         * mklibgcc.in: Delete file.
2517         * doc/configfiles.texi: Don't mention mklibgcc.
2519         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2520         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2521         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2522         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2523         (mklibgcc, ldblspecs): Likewise.
2525         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2526         (posixpre.def): Use $(T).
2527         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2528         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2529         (SHLIB_LINK): Make dummy.
2530         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2532         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2534         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2535         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2536         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2537         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2539         * configure.ac (all_outputs): Remove mklibgcc.
2540         * configure: Regenerated.
2542 2007-01-03  Josh Conner  <jconner@apple.com>
2544         PR middle-end/29683
2545         * calls.c (compute_argument_addresses): Set stack and stack_slot
2546         for partial args, too.
2547         (store_one_arg): Use locate.size.constant for the size when
2548         generating a save_area.
2550 2007-01-03  Robert Kennedy <jimbob@google.com>
2552         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2553         whose definitions are deleted due to basic block merging.
2555 2007-01-03  Paul Brook  <paul@codesourcery.com>
2557         PR target/16634
2558         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2559         functions.
2560         (use_return_insn): Return 0 for Thumb interrupt functions.
2561         (print_multi_reg): Add rfe argument for IRQ returns.
2562         (arm_output_epilogue): Pop interrupt return address directly into PC.
2563         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2565 2007-01-03  Paul Brook  <paul@codesourcery.com>
2567         Merge from sourcerygxx-4_1.
2568         * config/arm/thumb2.md: New file.
2569         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2570         Thumb-2.
2571         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2572         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2573         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2574         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2575         tables.
2576         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2577         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2578         comptibility.
2579         * config/arm/ieee754-sf.S: Ditto.
2580         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2581         (thumb1_base_register_rtx_p): ... to this.
2582         (thumb_index_register_rtx_p): Rename...
2583         (thumb1_index_register_rtx_p): ... to this.
2584         (thumb_output_function_prologue): Rename...
2585         (thumb1_output_function_prologue): ... to this.
2586         (thumb_legitimate_address_p): Rename...
2587         (thumb1_legitimate_address_p): ... to this.
2588         (thumb_rtx_costs): Rename...
2589         (thumb1_rtx_costs): ... to this.
2590         (thumb_compute_save_reg_mask): Rename...
2591         (thumb1_compute_save_reg_mask): ... to this.
2592         (thumb_final_prescan_insn): Rename...
2593         (thumb1_final_prescan_insn): ... to this.
2594         (thumb_expand_epilogue): Rename...
2595         (thumb1_expand_epilogue): ... to this.
2596         (arm_unwind_emit_stm): Rename...
2597         (arm_unwind_emit_sequence): ... to this.
2598         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2599         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2600         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2601         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2602         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2603         thumb2_output_casesi): New functions.
2604         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2605         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2606         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2607         THUMB2_WORK_REGS): Define.
2608         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2609         arm_condexec_mask, arm_condexec_masklen)): New variables.
2610         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2611         (arm_override_options): Check new CPU capabilities.
2612         Set new architecture flag variables.
2613         (arm_isr_value): Handle v7m interrupt functions.
2614         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2615         Thumb-2.
2616         (const_ok_for_arm): Handle Thumb-2 constants.
2617         (arm_gen_constant): Ditto.  Use movw when available.
2618         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2619         functions.
2620         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2621         (thumb_find_work_register, arm_load_pic_register,
2622         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2623         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2624         print_multi_reg, output_mov_long_double_fpa_from_arm,
2625         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2626         output_mov_double_fpa_from_arm, output_move_double,
2627         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2628         output_return_instruction, arm_output_function_prologue,
2629         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2630         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2631         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2632         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2633         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2634         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2635         '!' and 'L'.
2636         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2637         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2638         (arm_file_start): Output directive for unified syntax.
2639         (arm_unwind_emit_set): Handle stack alignment instruction.
2640         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2641         Add v6t2, v7, v7a, v7r and v7m.
2642         (RETLDM): Add Thumb-2 code.
2643         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2644         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2645         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2646         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2647         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2648         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2649         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2650         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2651         ADJUST_INSN_LENGTH): Define.
2652         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2653         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2654         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2655         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2656         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2657         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2658         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2659         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2660         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2661         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2662         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2663         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2664         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2665         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2666         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2667         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2668         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2669         cortex-m3.
2670         * config/arm/arm-tune.md: Regenerate.
2671         * config/arm/arm-protos.h: Update prototypes.
2672         * config/arm/vfp.md: Enable patterns for Thumb-2.
2673         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2674         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2675         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2676         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2677         * config/arm/libunwind.S: Add Thumb-2 code.
2678         * config/arm/constraints.md: Update include Thumb-2.
2679         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2680         * config/arm/ieee754-df.S: Ditto.
2681         * config/arm/bpabi.S: Ditto.
2682         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2683         * config/arm/predicates.md (low_register_operand,
2684         low_reg_or_int_operand, thumb_16bit_operator): New.
2685         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2686         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2687         * config/arm/t-arm-elf: Add armv7 multilib.
2688         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2689         Include thumb2.md.
2690         (UNSPEC_STACK_ALIGN, ce_count): New.
2691         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2692         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2693         insns/expanders.
2694         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2695         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2696         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2697         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2698         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2699         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2700         insns.
2701         * doc/extend.texi: Document ARMv7-M interrupt functions.
2702         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2704 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2706         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2707         (struct _Unwind_Context): Rename args_size to flags, remove
2708         signal_frame field, add a new args_size field and version field.
2709         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2710         _Unwind_IsExtendedContext): New inline functions.
2711         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2712         Assume by_value array is only present if _Unwind_IsExtendedContext.
2713         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2714         _Unwind_IsSignalFrame.
2715         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2716         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2717         (uw_init_context_1): Initialize context->flags to
2718         EXTENDED_CONTEXT_BIT.
2719         * config/rs6000/linux-unwind.h (frob_update_context): Use
2720         _Unwind_SetSignalFrame.
2722 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2724         PR middle-end/30353
2725         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2726         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2727         the value.
2729 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2731         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2732         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2733         RET, AT_SP): Remove.
2734         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2735         instead of RET.
2737         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2738         * cfgbuild.c (find_basic_blocks): Likewise.
2739         * cfgrtl.c (rtl_create_basic_block): Likewise.
2740         * function.c (temp_slots_at_level): Likewise.
2741         * reg-stack.c (stack_regs_mentioned): Likewise.
2742         * regclass.c (allocate_reg_info): Likewise.
2743         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2744         set_bb_for_stmt, move_block_to_fn): Likewise.
2745         * tree-complex.c (tree_lower_complex): Likewise.
2746         * vec.h (VEC_safe_grow_cleared): New.
2748         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2750 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2752         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2753         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2754         to loop_version.
2755         * cfgloopmanip.c (scale_loop_frequencies): Export.
2756         (loopify): Scale the frequencies by prescribed coefficients.
2757         (set_zero_probability): New function.
2758         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2759         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2760         and frequencies according to arguments.
2761         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2762         correctly.
2763         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2764         * modulo-sched.c (sms_schedule): Set probabilities for entering
2765         versioned loop correctly.
2766         * tree-vect-transform.c (vect_transform_loop): Ditto.
2767         * cfgloop.h (loopify, loop_version): Declaration changed.
2768         (scale_loop_frequencies): Declared.
2770 2007-01-02  Jan Hubicka  <jh@suse.cz>
2772         * cgraph.c: Include tree-flow.h
2773         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2774         early_local_passes.
2775         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2776         * tree-pass.h (pass_all_early_optimizations): Declare.
2777         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2778         early_local_passes.
2779         (cgraph_analyze_function): Do early_local_passes.
2780         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2781         Do not add referenced vars.
2782         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2783         SSA form.
2784         (gate_all_early_local_passes): New gate.
2785         (pass_early_local_passes): Use new gate.
2786         (execute_early_local_optimizations): New functions.
2787         (gate_all_early_optimizations): New gate.
2788         (pass_all_early_optimizations): New pass.
2789         (execute_free_datastructures): Free SSA only when initialized.
2790         (gate_init_datastructures): Init only when optimizing.
2791         (tree_lowering_passes): Do early local passes when called late.
2792         * tree-profile.c (do_tree_profiling): Don't profile functions added
2793         late.
2794         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2795         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2796         not active.
2797         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2798         during early_local_passes.
2799         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2802 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2804         * Makefile.in: Update copyright year.
2806 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2808         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2809         in $(lang_checks) and check-consistency targets.
2811 2007-01-02  Jan Hubicka  <jh@suse.cz>
2813         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2814         Do not add referenced vars.
2815         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2816         are not active.
2817         * passes.c (init_optimization_passes): Put mudflap_2 after
2818         free_datastructures.
2820 2007-01-02  Jan Hubicka  <jh@suse.cz>
2822         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2823         Set NOTHROW flag on call statements proved to be nothrow.
2824         Update statement of local calls so new pure/const functions are
2825         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2826         goto receivers.
2827         (tree_rest_of_compilation): Register hooks and initialize bitmap
2828         early. Do not set after_inlining flag.
2830 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2832         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2833         HOST_BITS_PER_LONGLONG
2835 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2837         PR c/19977
2838         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2839         warning for non-static initializers.
2841 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2843         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2844         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2845         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2846         Always use set_unique_reg_note to add REG_EQUAL notes.
2848 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2850         Revert:
2851         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2853         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2854         * cfgbuild.c (find_basic_blocks): Likewise.
2855         * cfgrtl.c (rtl_create_basic_block): Likewise.
2856         * function.c (temp_slots_at_level): Likewise.
2857         * reg-stack.c (stack_regs_mentioned): Likewise.
2858         * regclass.c (allocate_reg_info): Likewise.
2859         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2860         set_bb_for_stmt, move_block_to_fn): Likewise.
2861         * tree-complex.c (tree_lower_complex): Likewise.
2862         * vec.h (VEC_safe_grow_cleared): New.
2864 2007-01-02  Ian Lance Taylor  <iant@google.com>
2866         * c-common.c (c_common_truthvalue_conversion): When warning about
2867         using an assignment as a truth value, set TREE_NO_WARNING.
2869 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2871         PR middle-end/7651
2872         * c.opt (Wold-style-declaration): New.
2873         * doc/invoke.texi (C-only Warning Options): New.
2874         (Wold-style-declaration): Document it.
2875         (Wextra): Enabled by -Wextra.
2876         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2877         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2878         -Wold-style-declaration.
2880 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2882         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2883         * cfgbuild.c (find_basic_blocks): Likewise.
2884         * cfgrtl.c (rtl_create_basic_block): Likewise.
2885         * function.c (temp_slots_at_level): Likewise.
2886         * reg-stack.c (stack_regs_mentioned): Likewise.
2887         * regclass.c (allocate_reg_info): Likewise.
2888         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2889         set_bb_for_stmt, move_block_to_fn): Likewise.
2890         * tree-complex.c (tree_lower_complex): Likewise.
2891         * vec.h (VEC_safe_grow_cleared): New.
2893 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2895         * c-common.c(c_common_nodes_and_builtins): Since variants of
2896         void_type_node get built before it is given a name, we need to
2897         give those variants the name, too.
2898         (complete_array_type): We need to work with the canonical main
2899         type of the array, from which we will build the qualified version.
2900         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2901         * print-tree.c (print_node): Display canonical type information
2902         for each type.
2903         * stor-layout.c (layout_type): When we don't know the
2904         alignment of a type for which we're building an array, we end up
2905         guessing wrong, so make the type require structural equality.
2906         * tree.c (make_node_stat): When we build a new type, it is its
2907         own canonical type.
2908         (build_type_attribute_qual_variant): When building an attribute
2909         variant, its canonical type is the non-attribute variant. However,
2910         if the attributes are target-dependent and they differ, we need to
2911         use structural equality checks for this type.
2912         (build_qualified_type): A qualified type is not equivalent to its
2913         unqualified variant; set the canonical type appropriately.
2914         (build_distinct_type_copy): When building a distinct type from
2915         another type, the new type is its own canonical type.
2916         (build_variant_type_copy): When building a new type variant, we
2917         assume that it is equivalent to the original type.
2918         (build_pointer_type_for_mode): When building a pointer type, also
2919         build a canonical type pointer.
2920         (build_reference_type_for_mode): When building a reference type,
2921         also build a canonical type reference.
2922         (build_index_type): When we can't hash an index type (e.g.,
2923         because its maximum value is negative), the index type requires
2924         structural equality tests.
2925         (build_array_type): Build the canonical form of an array type.
2926         (build_function_type): Function types require structural equality,
2927         because they contain default arguments, attributes, etc.
2928         (build_method_type_directly): Ditto for method types.
2929         (build_offset_type): Build the canonical offset type.
2930         (build_complex_type): Build the canonical vector type.
2931         (make_vector_type): Build the canonical vector type.
2932         * tree.h (TYPE_CANONICAL): New.
2933         (TYPE_STRUCTURAL_EQUALITY_P): New.
2934         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2935         (struct tree_type): Added "canonical" field.
2936         * params.h (VERIFY_CANONICAL_TYPES): New.
2937         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2938         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2939         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2940         * doc/invoke.texi (verify-canonical-types): Document --param
2941         parameter for verifying canonical types.
2943 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2945         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2946         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2947         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2948         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2949         tm_file.
2950         * config/rs6000/e500.h: New.
2951         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2952         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2953         Remove.
2954         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2955         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2956         TARGET_E500_DOUBLE): Remove.
2957         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2958         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2959         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2960         * config/rs6000/rs6000.c (rs6000_override_options): Use
2961         CHECK_E500_OPTIONS.
2963 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2965         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2966         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2967         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2968         rs6000_emit_cmove): Don't check TARGET_E500.
2969         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2970         sordered): Don't check TARGET_E500.
2972 2007-01-01  Eric Christopher  <echristo@apple.com>
2974         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2975         HARD_REGISTER_NUM_P.
2977 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2979         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2980         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2981         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2982         eq/ne Y".
2984 2007-01-01  Mike Stump  <mrs@apple.com>
2986         * configure.ac: Remove support for building with Apple's gcc-3.1.
2988 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2990         PR middle-end/30311
2991         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2992         REG is a hard register.  Do not modify REG before calling
2993         subreg_nregs.
2994         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2995         multiple of the size of YMODE for certain lowpart cases.
2997 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2999         PR middle-end/30253
3000         * gimplify (voidify_wrapper_expr): Update for
3001         GIMPLE_MODIFY_STMT.
3003 2007-01-01  Andreas Schwab  <schwab@suse.de>
3005         PR target/29166
3006         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3007         save of BR0 in extra_spill_size instead of spill_size.
3008         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3009         area.
3010         (ia64_expand_epilogue): Restore BR0 from its new location.
3012 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3014         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3015         Use a temporary variable if the left hand side is not a gimple
3016         register.
3018 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3020         * gimplify.c (gimplify_return_expr): Make the temporary variable
3021         for the return expression, a gimple register variable.
3023 2007-01-01  Jan Hubicka  <jh@suse.cz>
3025         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3026         INSN_LIST.
3028 2007-01-01  Mike Stump  <mrs@apple.com>
3030         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3031         .literal16.
3032         * config/darwin.c (machopic_select_rtx_section): Use
3033         HAVE_GAS_LITERAL16.
3034         (darwin_mergeable_constant_section): Likewise.
3035         * configure: Regenerate.
3036         * config.in: Regenerate.
3038 2007-01-01  Jan Hubicka  <jh@suse.cz>
3039             Andrew Pinski  <pinskia@gmail.com>
3041         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3042         before starting IPA passes.