PRR doc/31355
[official-gcc.git] / gcc / ChangeLog
blobace008d03a421bef33fcfcc3150498e7f7116b84
1 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3         PR doc/31355
4         * doc/invoke.texi (--help=): Document <languages> value, fix
5         formatting in tables of values.
7 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
9         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
10         dllimport attribute of virtual methods.
12 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
14         * config/score/crti.asm: Change _bss_start to __bss_start.
15         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
16         (OUTGOING_REG_PARM_STACK_SPACE) update.
17         * config/score/score.opt: add options to make backend support
18         score5, score5u, score7 and score7d.
19         * config/score/score.md: Likewise.
20         * config/score/misc.md: Likewise.
21         * config/score/mac.md: Likewise.
22         * doc/invoke.texi: Likewise.
23         * doc/md.texi: update constraints define.
25 2007-04-03  Richard Henderson  <rth@redhat.com>
27         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
28         an appropriate type, use the mode instead.
30 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
32         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
33         Set the default --with-arch setting to mips2.
34         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
35         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
36         (MULTILIB_OSDIRNAMES): Delete.
37         (MULTILIB_DIRNAMES): Define.
38         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
39         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
40         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
41         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
42         VXWORKS_OS_CPP_BUILTINS.
43         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
44         (MIPS_DEBUGGING_INFO): Undefine.
45         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
47 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
49         PR middle-end/30704
50         * fold-const.c (native_encode_real): Encode real.c provided longs
51         as a series of 32-bit native integers.
52         (native_interpret_real): Interpret buffer as a series of 32-bit
53         native integers.
55 2007-04-03  Richard Guenther  <rguenther@suse.de>
57         * genpreds.c (write_insn_constraint_len): Write function
58         optimized for CONSTRAINT_LEN implementation.
59         (write_tm_preds_h): Output insn_constraint_len inline and
60         use it for CONSTRAINT_LEN.
61         (write_insn_preds_c): Don't output insn_constraint_len.
62         * doc/md.texi (define_register_constraint): Document multi-letter
63         constraints shall have the same length if they start with the same
64         letter.
66 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
68         PR target/31175
69         * config/i386/i386.md (isinf<mode>2): Expand only when
70         TARGET_C99_FUNCTIONS is set.
72 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
74         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
75         (x86_64-*-linux*): Ditto.
76         * config/i386/i386.opt (mpc): New option.
77         * config/i386/i386.c (overrride_options): Handle
78         ix87_precision_string.
79         * config/i386/crtprec.c: New file.
80         * config/i386/t-crtpc: Ditto.
81         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
82         and -mpc80 options.
83         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
84         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
85         crtprec32.o, crtprec64.o and crtprec80.o.
87         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
88         and -mpc80 options.
89         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
91 2007-04-02  Eric Christopher  <echristo@apple.com>
93         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
94         limitations on darwin.
96 2007-04-02  Anatoly Sokolov <aesok@post.ru>
98         PR target/31137
99         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
101 2007-04-02  Dave Korn  <dave.korn@artimi.com>
103         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
105 2007-04-02  Dave Korn  <dave.korn@artimi.com>
107         * libgcc2.h (exception_descriptor): Don't forward-declare.
108         (__get_eh_table_language, __get_eh_table_version): Delete
109         prototypes of long-dead functions.
111 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
113         * ebitmap.h: New file
114         * ebitmap.c: New file
115         * Makefile.in (ebitmap.o): New target.
117 2007-04-01  Jan Hubicka  <jh@suse.cz>
119         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
120         before very first instruction.
122 2007-04-01  Jan Hubicka  <jh@suse.cz>
124         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
125         waring on 64bit hosts.
126         * bitmap.h: Fix typo in bitmap_head_def.
128 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
130         PR rtl-optimization/31391
131         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
132         into a DELETED_LABEL note, and the label is in an empty basic
133         block, update BB_END as well as BB_HEAD.
135 2007-04-01  Richard Henderson  <rth@redhat.com>
137         PR tree-optimization/31169
138         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
139         to varying if the range is outside [0,  prec-1].
141 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
143         PR target/31388
144         * config/mips/mips.md (load_const_gp): New insn.
145         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
146         the MIPS16 GP pseudo register if no_new_pseudos.
147         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
149 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
151         PR target/31364
152         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
153         secureplt.
154         (call_value): Likewise.
156 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
157             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
159         PR 14737
160         * doc/invoke.texi: (optimization options): Reword description
161         of -ffast-math. Document its primary purpose.
163 2007-03-31  Richard Guenther  <rguenther@suse.de>
165         * omp-low.c (splay-tree.h): Include.
166         (lookup_decl): Replace splay-tree usage by pointer-map.
167         (maybe_lookup_decl): Likewise.
168         (new_omp_context): Likewise.
169         (delete_omp_context): Likewise.
170         * gimplify.c (splay-tree.h): Include.
171         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
172         pointer-map.
173         (remap_ssa_name): Likewise.
174         (remap_decl): Likewise.
175         (remap_type_1): Likewise.
176         (remap_type): Likewise.
177         (copy_body_r): Likewise.
178         (expand_call_inline): Likewise.
179         (clone_body): Likewise.
180         (copy_tree_r): Likewise.
181         (remap_save_expr): Likewise.
182         (unsave_r): Likewise.
183         (unsave_expr_now): Likewise.
184         (tree_function_versioning): Likewise.
185         (build_duplicate_type): Likewise.
186         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
187         (struct copy_body_data): Replace splay-tree by pointer-map.
188         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
189         not $(SPLAY_TREE_H).
190         (gimplify.o): Depend on $(SPLAY_TREE_H).
191         (omp-low.p): Likewise.
193 2007-03-31  Anatoly Sokolov <aesok@post.ru>
195         * config/avr/predicates.md (even_register_operand,
196         odd_register_operand): New predicates.
197         * config/avr/avr.md (movw peephole2): New.
198         (movw_r peephole2): New.
200 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
202         * tree.h (get_signed_or_unsigned_type): New.
203         * fold-const.c (operand_equal_for_comparison_p): Use
204         get_signed_or_unsigned_type instead of
205         lang_hooks.types.signed_or_unsigned_type.
206         * expr.c (store_expr): Ditto.
207         * langhooks.c (get_signed_or_unsigned_type): New.
208         (lhd_signed_or_unsigned_type): New.
209         * langhooks.h (lhd_signed_or_unsigned_type): New.
210         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
212 2007-03-30  Richard Henderson  <rth@redhat.com>
214         * tree-ssa-loop-ivopts.c: Include target.h.
215         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
216         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
217         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
218         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
220 2007-03-30  Richard Henderson  <rth@redhat.com>
221             Kai Tietz  <kai.tietz@onevision.com>
223         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
224         default for 64-bit.
225         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
226         (TARGET_64BIT_MS_ABI): New.
227         (DBX_REGISTER_NUMBER): Handle 64-bit.
228         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
229         (LONG_TYPE_SIZE): Force to 32.
230         (REG_PARM_STACK_SPACE): New.
231         (OUTGOING_REG_PARM_STACK_SPACE): New.
232         (REGPARM_MAX, SSE_REGPARM_MAX): New.
233         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
234         (STACK_BOUNDARY): Use 128 for 64-bit.
235         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
236         Add 64-bit implementation.
237         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
238         argument unused.
239         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
240         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
241         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
242         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
243         (ix86_handle_cconv_attribute): Don't warn when ignoring if
244         TARGET_64BIT_MS_ABI.
245         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
246         (ix86_pass_by_reference): Likewise.
247         (ix86_function_value_regno_p): Likewise.
248         (ix86_build_builtin_va_list): Likewise.
249         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
250         (function_arg_advance_ms_64): New.
251         (function_arg_advance): Call it.
252         (function_arg_ms_64): New.
253         (function_arg): Call it.
254         (function_value_ms_64): New.
255         (ix86_function_value_1): Call it.
256         (return_in_memory_ms_64): New.
257         (ix86_return_in_memory): Call it.
258         (setup_incoming_varargs_ms_64): New.
259         (ix86_setup_incoming_varargs): Call it.
260         (ix86_expand_prologue): Handle 64-bit stack probing.
261         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
262         (output_pic_addr_const): Likewise.
263         (x86_this_parameter): Likewise.
264         (x86_output_mi_thunk): Likewise.
265         (x86_function_profiler): Likewise.
266         (TARGET_STRICT_ARGUMENT_NAMING): New.
267         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
268         (TARGET_64BIT_MS_ABI): New.
269         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
270         * config/i386/i386.md (allocate_stack_worker): Remove.
271         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
272         describe the clobber of eax without a match_scratch.
273         (allocate_stack_worker_postreload): Remove.
274         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
275         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
276         (allocate_stack_worker_rex64_postreload): Remove.
277         (allocate_stack): Handle 64-bit.
278         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
279         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
280         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
281         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
282         (STANDARD_STARTFILE_PREFIX_1): Likewise.
283         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
284         * config.build (x86_64-*-mingw*): New host.
285         * config.host (x86_64-*-mingw*): New host.
286         * config.gcc (x86_64-*-mingw*): New target.
287         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
289 2007-03-30  Richard Henderson  <rth@redhat.com>
290             Kai Tietz  <kai.tietz@onevision.com>
292         * c-pragma.c (struct def_pragma_macro_value): New.
293         (struct def_pragma_macro): New.
294         (pushed_macro_table): New.
295         (dpm_hash, dpm_eq): New.
296         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
297         (init_pragma): Install them.
298         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
300 2007-03-30  Anatoly Sokolov <aesok@post.ru>
302         * config/avr/avr.c (avr_override_options): Clear
303         'flag_delete_null_pointer_checks'.
305 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
307         PR c++/26099
308         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
309         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
310         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
311         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
312         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
313         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
314         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
315         C++ extensions.
316         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
318 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
320         * regmove.c: Move all of pass_stack_adjustments from here...
321         * combine-stack-adj.c: ...to this new file.
322         * Makefile.in: Add rules for combine-stack-adj.o.
324 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
326         PR tree-optimization/31383
327         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
328         to have the same length.
330 2007-03-30  Jan Hubicka  <jh@suse.cz>
332         PR middle-end/PR30700
333         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
334         availablility; add more sanity checking; ask varpool only about
335         VAR_DECL.
337 2007-03-29  Richard Henderson  <rth@redhat.com>
339         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
340         to decide, but __SIZEOF_LONG_LONG__.
342 2007-03-29  Richard Henderson  <rth@redhat.com>
344         * emutls.c (struct __emutls_array): New.
345         (emutls_destroy): Use it instead of casting element 0 from void*.
346         (__emutls_get_address): Likewise.
348 2007-03-29  Richard Henderson  <rth@redhat.com>
350         * varasm.c (initializer_constant_valid_p): Don't deny
351         DECL_DLLIMPORT_P on functions.
353         * config/i386/cygming.h: Remove function declarations.
354         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
355         (ASM_OUTPUT_LABELREF): Remove.
356         (COMMON_ASM_OP): Remove.
357         (ASM_OUTPUT_COMMON): Remove.
358         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
359         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
360         (ASM_DECLARE_FUNCTION_NAME): Likewise.
361         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
362         Rename from TARGET_ENCODE_SECTION_INFO.
363         * config/i386/netware.h: Likewise.
364         * config/i386/i386-protos.h: Update.
365         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
366         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
367         (legitimate_constant_p): Reject dllimports.
368         (dllimport_map, get_dllimport_decl): New.
369         (legitimize_dllimport_symbol): New.
370         (legitimize_address, ix86_expand_move): Use it.
371         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
372         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
373         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
374         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
375         * config/i386/predicates.md (constant_call_address_operand): Only
376         accept symbols; reject dllimport_p symbols.
377         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
378         i386_pe_maybe_record_exported_symbol.
379         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
380         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
381         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
382         trust the setting of DECL_DLLIMPORT_P.
383         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
384         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
385         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
386         tidy the argument scanning loop.
387         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
388         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
389         (i386_pe_strip_name_encoding): Remove.
390         (i386_pe_binds_local_p): New.
391         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
392         (i386_pe_output_labelref): Remove.
393         (i386_pe_asm_output_aligned_decl_common): New.
394         (i386_pe_maybe_record_exported_symbol): Rename from
395         i386_pe_record_exported_symbol; check for dllexported symbols.
397 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
399         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
400         add comment explaining why vsnprintf cannot be used.
402 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
404         PR tree-optimization/30666
405         * tree.c (build_complex_type): When creating type names for DWARF2
406         debug info, create TYPE_DECLs for TYPE_NAME instead of
407         IDENTIFIER_NODEs.
408         (build_common_tree_nodes_2): Use build_complex_type when building
409         predefined complex types, to preserve canonical types.
411 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
413         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
414         (noce_get_alt_condition): Look at it to determine whether to
415         reverse the condition or not.
416         (noce_get_condition): Substitute the truth for lies.
417         (noce_find_if_block): Set the then_else_reversed field.
419 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
421         * config/fr30/fr30.md (movdi): Do not accept immediates as the
422         destination of this insn.
423         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
424         than calling gen_rtx_SET directly.  Use r0 to hold the value of
425         'address + 4' rather than a stack based temporary which can be
426         mis-optimized away.
428 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
430         * config/s390/s390.c (s390_secondary_input_reload_class,
431         s390_secondary_output_reload_class): Functions removed.
432         (s390_secondary_reload): New function.
433         (TARGET_SECONDARY_RELOAD): Target macro defined.
434         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
435         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
436         * config/s390/s390.md ("reload_outti", "reload_outdi",
437         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
438         "reload_out<mode>"): Expanders removed.
439         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
440         "reload<mode>_nonoffmem_out"): Expanders added.
442 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
444         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
445         SRC->DEST replacement failed anyway.
447 2007-03-28  Mike Stump  <mrs@apple.com>
449         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
450         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
451         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
453 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
455         * config.gcc: Accept barcelona as a variant of amdfam10.
456         * config/i386/i386.c (override_options): Likewise.
457         * doc/invoke.texi: Likewise.
459 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
461         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
462         offsets for BIT_FIELD_REF and COMPONENT_REF.
464 2007-03-28  Richard Guenther  <rguenther@suse.de>
466         * tree.c (is_global_var): Move ...
467         * tree-flow-inline.h (is_global_var): ... here.
468         * tree.h (is_global_var): Remove declaration.
470 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
472         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
473         option.
474         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
475         * config/i386/i386.c (ix86_tune_features): Initialize new
476         tuning option.
477         * config/i386/predicates.md (promotable_binary_operator): Use
478         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
480 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
482         PR target/31380
483         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
485 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
487         * config/fr30/fr30.md (movsi_internal): Change destination
488         constraint from m to V and add m to the end.
490 2007-03-28  Christian Bruel  <christian.bruel@st.com>
492         * config/sh/sh.md (movsi_i): Fix type attribute.
494 2007-03-28  Christian Bruel  <christian.bruel@st.com>
496         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
497         (movsf_ie): Likewise.
499 2007-03-28  Christian Bruel  <christian.bruel@st.com>
501         * config.gcc: Add sh4-300 to multilib.
502         * config/sh/t-mlib-sh4-300: New file.
504 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
506         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
507         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
508         fix_trunc<mode>di2.
509         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
510         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
511         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
512         "fixuns_trunctddi2"): Whitespace fix.
514 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
516         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
517         the definition of struct sh_args.
518         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
519         CALL_COOKIE_INT_REG_GET): Likewise.
521 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
523         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
524         transformations are applied successfully.
526 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
528         * tree.c (tree_contains_struct): Permit 512 tree codes.
529         * tree.h (tree_contains_struct): Ditto.
530         (MAX_TREE_CODES): Ditto.
531         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
532         SPARE member to store remaining padding bits.
534 2007-03-27  Anatoly Sokolov <aesok@post.ru>
536         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
537         architecture.
539 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
541         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
542         * configure: Regenerate.
544         * configure: Regenerate using the correct version of autoconf.
546 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
548         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
549         pointer regs.
550         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
551         regs to "__SP_L__" and "__SP_H__".
553 2007-03-27  Richard Guenther  <rguenther@suse.de>
555         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
556         computations with it with a HOST_WIDE_INT variable.
558 2007-03-26  Mike Stump  <mrs@apple.com>
560         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
561         objective-c-header, objective-c++-header and objc++-cpp-output
562         support.
563         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
565 2007-03-26  Richard Henderson  <rth@redhat.com>
567         PR target/31361
568         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
569         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
570         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
571         IX86_BUILTIN_PSRLQ128): New.
572         (ix86_init_mmx_sse_builtins): Add them.
573         (ix86_expand_builtin): Expand them.
574         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
575         operand 2 be TImode.
576         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
577         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
578         _mm_srli_epi64): Mark __B const.
579         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
580         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
581         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
582         new two-vector shift builtins.
584 2007-03-26  Ian Lance Taylor  <iant@google.com>
586         PR tree-optimization/31345
587         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
588         [+INF, +INF(OVF)] into VARYING.
590 2007-03-26  Zack Weinberg  <zackw@panix.com>
592         * gengtype-parse.c: New file.
593         * gengtype-yacc.y: Delete.
594         * gengtype-lex.l: Don't include gengtype-yacc.h.
595         Define YY_DECL and yyterminate appropriately for recursive
596         descent parser.  yylval is now a string out-parameter to yylex.
597         (HWS, EOID): New shorthand.
598         (IWORD): Add a couple more types.
599         (yylex): Add a setup stanza.  Remove the complex rules for
600         detecting GTY'ed types and typedefs; replace with simple
601         keyword detectors.  Adjust everything for the changed
602         definition of yylval.  Ignore all pp-directives, not just #define.
603         (yyerror): Delete.
604         (parse_file): Rename yybegin; do not call yyparse.
605         (yyend): New.
606         * gengtype.c (xasprintf): Export again.
607         (this_file): New.  Use everywhere __FILE__ was being used.
608         (get_lang_bitmap): Special case types defined in gengtype.c.
609         (do_typedef, new_structure): Suppress definition of certain types.
610         (new_structure): Improve diagnostics of duplicate definitions.
611         Make sure location_s is associated with input.h.
612         (nreverse_pairs, define_location_structures): New functions.
613         (main): Improve tagging of kludge types.  Remove old kludges
614         for input.h types; use define_location_structures.
615         * gengtype.h: Update prototypes.  Define token codes here.
616         * Makefile.in: Remove all references to gengtype-yacc.
617         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
618         and gengtype.
619         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
620         add GTY((skip)) to the field that's only conditionally there.
621         * doc/install.texi: Document that Bison is no longer required
622         unless building treelang.
624         * gengtype.c: Don't include gtyp-gen.h.
625         (srcdir): Declare here.
626         (base_files, lang_dir_names): Allocate dynamically.
627         (gt_files, num_gt_files, num_lang_dirs): New globals.
628         (measure_input_list, read_input_line, read_input_list)
629         (set_lang_bitmap): New functions.
630         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
631         simplify, relying on read_input_list to set up the bitmaps.
632         (main): Arguments are no longer unused.  Check for correct number
633         of command line arguments, set srcdir and srcdir_len, then call
634         read_input_list, before doing anything else.  No need to worry
635         about duplicates in main loop.
636         * configure.ac: Simplify the calculation of all_gtfiles.
637         Put language tags in there.  Don't set or substitute
638         all_gtfiles_files_langs or all_gtfiles_files_frags.
639         * Makefile.in: Revamp the way gengtype is invoked, now that it
640         takes a file on its command line with a much simpler format.
641         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
642         (GTFILES): Remove duplicates and C source files.
643         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
644         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
645         * configure: Regenerate.
647         * gengtype.h: Remove all type definitions to gengtype.c; leave
648         only definitions of options_p, type_p, and pair_p as opaque
649         pointers.  Update prototypes.
650         * gengtype.c: Many type definitions moved here from gengtype.h.
651         Consolidate type definitions at the top of the file.
652         (xvasprintf): Delete.
653         (xasprintf): Make static.
654         (create_nested_pointer_option): Add 'next' parameter.
655         (create_field_all, create_field_at): New functions.
656         (create_field): Now a thin wrapper around create_field_all.
657         (create_optional_field): Rename create_optional_field_ and add
658         line argument.  Original name is now a macro which supplies
659         __LINE__.
660         (oprintf): Use vsnprintf directly.
661         (close_output_files): Use fatal rather than perror/exit.
662         (note_def_vec, note_def_vec_alloc): Use create_field_at.
663         (main): Set progname.  Don't use exit.
664         * gengtype-yacc.y (struct_fields): Use create_field_at.
665         (option, optionseqopt): Delete.
666         (optionseq): Consolidate productions from option here so we
667         can use the first argument to create_option.
669         * gengtype-lex.l: Distinguish unions from structures in the
670         token type.  Don't call find_structure; return the tag as a string.
671         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
672         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
673         Reorganize typedef_struct production accordingly.
674         Use create_nested_ptr_option.
675         * gengtype.c (create_nested_ptr_option): New function.
676         * gengtype.h: Declare it.
678         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
679         (string_type): Don't declare.
680         (do_scalar_typedef): Declare.
681         (create_scalar_type): Update prototype.
682         * gengtype.c (string_type): Make static.
683         (scalar_nonchar, scalar_char): New.
684         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
685         (resolve_typedef): Use scalar_nonchar for error recovery.
686         (create_scalar_type): Remove name_len field.  Return scalar_char
687         or scalar_nonchar as appropriate.
688         (adjust_field_type): Look at scalar_is_char boolean to decide whether
689         to use string_type.
690         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
691         whenever possible.
692         (main): Initialize scalar_char and scalar_nonchar before calling
693         gen_rtx_next.
694         * gengtype-lex.l: Adjust for removal of second argument to
695         create_scalar_type.  Use yylval.s instead of yylval.t when
696         returning SCALAR.
697         * gengtype-yacc.y: Type of SCALAR is string.  Call
698         create_scalar_type from type:SCALAR rule.  Adjust for removal of
699         second argument to create_scalar_type.
701         * vec.h: Remove all #if IN_GENGTYPE blocks.
702         Add comment saying that changes may require adjustments to gengtype.
703         * gengtype.c: Don't include coretypes.h or tm.h.
704         Add comment to inclusion of errors.h.
705         (note_def_vec, note_def_vec_alloc): New functions.
706         * gengtype.h: Declare new functions.
707         * gengtype-lex.l: Don't include coretypes.h.
708         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
709         Delete.
710         (update_lineno): Remove unnecessary prototype.
711         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
712         (VEC rule): Just return VEC_TOKEN.
713         * gengtype-yacc.y (VEC_TOKEN): New token type.
714         (type): Add a production for VEC(a,b).
715         * Makefile.in: Update dependencies.
717         * gengtype-lex.l: Remove rules for parsing pointer-to-function
718         typedefs that use the old PARAMS macro.
720         * gengtype-lex.l: Remove all rules and states relating to yacc
721         input files.
722         * gengtype-yacc.y: Similarly.
723         * gengtype.c (note_yacc_type): Delete function.
724         * gengtype.h: Update prototypes.
726 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
728         * tree-pretty-print.c (dump_generic_node): Report precision of
729         unnamed integer types.
731 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
733         * ifcvt.c (noce_try_store_flag_constants): Don't check
734         no_new_pseudos here.
735         (noce_try_store_flag_constants): Don't check no_new_pseudos.
736         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
737         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
738         noce_try_sign_mask): Likewise.
739         (if_convert): Check no_new_pseudos here.
741         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
742         Remove prototypes.
743         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
744         (noce_get_condition): Handle new then_else_reversed argument.
745         (noce_init_if_info): Remove, fold into noce_find_if_block.
746         (noce_process_if_block): Take a struct noce_if_info as the
747         argument.  Don't set up one based on ce_if_info.  Update pointer
748         references accordingly.
749         (cond_move_process_if_block): Likewise.
750         (process_if_block): Removed.
751         (find_if_block): Removed.  Move functionality two new functions,
752         noce_find_if_block and cond_exec_find_if_block.
753         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
754         blocks and the symmetric IF-ELSE-JOIN case.
755         (cond_exec_find_if_block): Also new function mostly based on old
756         find_if_block and process_if_block.
757         (find_if_header): Replace find_if_block call with separately
758         guarded calls to noce_find_if_block and cond_exec_find_if_block.
759         (find_cond_trap): Update noce_get_condition call.
760         (dead_or_predicable): Likewise.
762 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
764         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
765         Remove.
766         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
767         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
768         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
769         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
770         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
771         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
772         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
773         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
774         __builtin_ia32_psrad128 builtins.
776 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
778         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
779         * config/i386/constraints.md
780         (define_constraint "I"): Use IN_RANGE macro.
781         (define_constraint "J"): Ditto.
782         (define_constraint "K"): Ditto.
783         (define_constraint "M"): Ditto.
784         (define_constraint "N"): Ditto.
785         (define_constraint "O"): Ditto.
786         * config/i386/predicates.md
787         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
788         (define_predicate "const_0_to_3_operand"): Ditto.
789         (define_predicate "const_0_to_7_operand"): Ditto.
790         (define_predicate "const_0_to_15_operand"): Ditto.
791         (define_predicate "const_0_to_63_operand"): Ditto.
792         (define_predicate "const_0_to_255_operand"): Ditto.
793         (define_predicate "const_1_to_31_operand"): Ditto.
794         (define_predicate "const_2_to_3_operand"): Ditto.
795         (define_predicate "const_4_to_7_operand"): Ditto.
797 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
799         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
800         in SImode for save_world.
801         * config/rs6000/altivec.md (save_world, restore_world): Convert to
802         LR hard reg.
804 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
806         PR tree-optimization/30784
807         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
808         BIT_FIELD_REF.
810 2007-03-25  Revital Eres  <eres@il.ibm.com>
812         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
813           Fold movement_possibility function into it.
815 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
817         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
818         (load_macho_picbase_{si,di}): Convert to LR hard reg.
819         (call_indirect_nonlocal_darwin64): Same.
820         (call_nonlocal_darwin64): Same.
821         (call_value_indirect_nonlocal_darwin64): Same.
822         (call_value_nonlocal_darwin64): Same.
823         (sibcall_nonlocal_darwin64): Same.
824         (sibcall_value_nonlocal_darwin64): Same.
825         (sibcall_symbolic_64): Same.
826         (sibcall_value_symbolic_64): Same.
827         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
828         LR pseudo.
829         (rs6000_emit_load_toc_table): Same.
830         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
831         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
832         (mull_call): Same.
833         (divss_call): Same.
834         (divus_call): Same.
835         (quoss_call): Same.
836         (quous_call): Same.
837         (load_toc_v4_pic_si): Same
838         (load_toc_v4_PIC_1): Same.
839         (load_toc_v4_PIC_1b): Same.
840         (call_indirect_aix{32,64}): Same.
841         (call_value_indirect_aix{32,64}): Same.
842         (call): Same.
843         (call_value): Same.
844         (call_local{32,64}): Same.
845         (call_value_local{32,64}): Same.
846         (call_indirect_nonlocal_aix{32,64}): Same.
847         (call_nonlocal_aix{32,64}): Same.
848         (call_value_indirect_nonlocal_aix{32,64}): Same.
849         (call_value_nonlocal_aix{32,64}): Same.
850         (call_indirect_nonlocal_sysv<mode>): Same.
851         (call_nonlocal_sysv<mode>): Same.
852         (call_value_indirect_nonlocal_sysv<mode>): Same.
853         (call_value_nonlocal_sysv<mode>): Same.
854         (sibcall): Same.
855         (sibcall_local{32,64}): Same.
856         (sibcall_value_local{32,64}): Same.
857         (sibcall_nonlocal_aix{32,64}): Same.
858         (sibcall_value_nonlocal_aix{32,64}): Same.
859         (sibcall_nonlocal_sysv<mode>): Same.
860         (sibcall_value): Same.
861         (sibcall_value_nonlocal_sysv<mode>): Same.
863 2007-03-24  Paul Brook  <paul@codesourcery.com>
865         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
866         * config/arm/linux-eabi.h: Remove legacy syscall hack.
868 2007-03-24  Richard Henderson  <rth@redhat.com>
870         * config/ia64/constraints.md: New file.
871         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
872         satisfies_constraint_?.
873         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
874         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
875         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
876         ia64_output_mi_thunk): Likewise.
877         (ia64_const_ok_for_letter_p): Remove.
878         (ia64_const_double_ok_for_letter_p): Remove.
879         (ia64_extra_constraint): Remove.
880         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
881         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
882         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
883         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
884         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
885         EXTRA_MEMORY_CONSTRAINT): Remove.
886         * config/ia64/ia64.md: Include constriants.md.  Replace
887         CONST_OK_FOR_? with satisfies_constraint_?.
889 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
890             H.J. Lu  <hongjiu.lu@intel.com>
892         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
893         DPD or BID name.
894         (name macros): Use DPD_BID_NAME to convert names properly.
896         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
897         decimal floating point format.
898         (init_floating_libfuncs): Change decimal functions so that they
899         have a "bid_" prefix if the decimal system uses the BID format,
900         and "dpd_" prefix if the decimal system uses the DPD format.
901         (init_interclass_conv_libfuncs): Ditto.
902         (init_intraclass_conv_libfuncs): Ditto.
904         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
905         using the BID format.
907         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
908         whether we are using the BID decimal format.
909         * configure: Regenerate.
911         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
912         the compiler has decimal floating point enabled.  Define
913         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
914         instead of DPD.
916         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
917         using the BID format.
919         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
920         whether we are using the BID decimal format.
921         * configure: Regenerate.
923         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
924         the compiler has decimal floating point enabled.  Define
925         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
926         instead of DPD.
928         * doc/install.texi (--enable-decimal-float): Document BID and DPD
929         options, and that it is enabled for i386/x86_64 systems.
931         * Makefile.in (enable_decimal_float): New.
932         (DECNUMFMT): New.
933         (DECNUMINC): Add  -I$(DECNUMFMT).
934         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
935         to $(DECNUMFMT) from $(DECNUM).
937         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
938         Substitute enable_decimal_float.
939         * configure: Regenerated.
941         PR other/30529
942         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
943         unsigned long.
945         * configure.ac: Enable decimal float for x86_64-*-linux*.
946         * configure: Regenerated.
948         PR other/30530
949         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
950         decimal128ClearSign to flip and clear the sign bit in decimal128.
951         (decimal_real_maxval): Set decimal128SetSign to set the sign
952         bit in decimal128.
954 2007-03-23  Ian Lance Taylor  <iant@google.com>
956         * fold-const.c (fold_binary): Correct warning for X - c >= X.
958 2007-03-23  Ian Lance Taylor  <iant@google.com>
960         * tree-dump.c (dump_files): Correct comment.
962 2007-03-23  Ian Lance Taylor  <iant@google.com>
964         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
966 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
968         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
969         in cfglayout mode.  Don't go into and out of cfglayout mode.
970         Link the blocks in the order of the constructed traces.
971         (rest_of_handle_tracer): Adjust call to tracer.
972         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
973         Don't go into cfglayout mode.
974         (rtl_loop_done): Don't go out of cfglayout mode.
975         * cfglayout.c (relink_block_chain): New function, split out from...
976         (fixup_reorder_chain): ...here.  Remove redundant checking.
977         (cfg_layout_finalize): Don't clear the header, footer, and aux
978         fields here, move the code to do so to relink_block_chain.  Likewise
979         for free_original_copy_tables.
980         * rtl.h (tracer): Update prototype.
981         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
982         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
983         mode.  Use relink_block_chain to serialize the CFG according to the
984         new basic block order.  Move targetm.cannot_modify_jumps_p check from
985         here...
986         (gate_handle_reorder_blocks): ...to here.
987         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
988         from here...
989         (gate_duplicate_computed_gotos): ...to here.
990         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
991         something always changes when going into and out of cfglayout mode.
992         Perform an expensive cfg cleanup while going into cfglayout mode.
993         Always update liveness information on HAVE_conditional_execution
994         targets.  Reserialize the basic blocks and go out of cfglayout mode.
995         * reg-stack.c: Include cfglayout.h.
996         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
997         the call to reorder_basic_blocks.
998         * basic-block.h (reorder_basic_blocks): Update prototype.
999         (relink_block_chain): New prototype.
1000         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1002 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1004         * config/mips/mips.md (type, hazard, *movdi_32bit,
1005         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1006         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1007         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1008         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1009         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1010         applicable.
1011         (movcc): Change first xfer to multi.
1012         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1013         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1014         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1015         config/mips/generic.md: Change reservations using "xfer" to use
1016         "mfc,mtc".
1017         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1018         using match_operand.
1019         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1020         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1021         examining mode.
1022         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1024 2007-03-22  Richard Henderson  <rth@redhat.com>
1026         * config/i386/i386.c: Remove unnecessary function declarations.
1027         Move targetm definition, and all related macros, to the end of
1028         the file.  Resort some functions to put definitions before uses.
1029         (ix86_attribute_table): Make static.  Move to end of file.
1030         (ix86_gimplify_va_arg): Make static.
1032 2007-03-22  Richard Henderson  <rth@redhat.com>
1034         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1035         don't increase local_regparm with force_align_arg_pointer check.
1036         (ix86_function_sseregparm): Assert 32-bit.
1037         (type_has_variadic_args_p): New.
1038         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1039         type_has_variadic_args_p.
1040         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1041         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1042         use memset instead.  Do maybe_vaarg check first; skip attribute
1043         tests if true; skip attribute tests for 64-bit.
1044         (construct_container): Remove TARGET_DEBUG_ARG.
1045         (function_arg_advance_32, function_arg_advance_64): Split out ...
1046         (function_arg_advance): ... from here.
1047         (function_arg_32, function_arg_64): Split out ...
1048         (function_arg): ... from here.
1049         (ix86_pass_by_reference): Tidy.
1050         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1051         (function_value_32): New, from parts of ix86_function_value
1052         and ix86_value_regno.
1053         (function_value_64): New, from parts of ix86_function_value
1054         and ix86_libcall_value.
1055         (ix86_function_value_1): New.
1056         (ix86_function_value, ix86_libcall_value): Use it.
1057         (return_in_memory_32, return_in_memory_64): Split out ...
1058         (ix86_return_in_memory): ... from here.
1059         (ix86_struct_value_rtx): Skip for 64-bit.
1060         (ix86_libcall_value, ix86_value_regno): Remove.
1061         (setup_incoming_varargs_64): Split out ...
1062         (ix86_setup_incoming_varargs): ... from here.
1063         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1064         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1065         * config/i386/i386-protos.h (ix86_function_value): Remove.
1066         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1068 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1070         PR other/23572
1071         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1072         infinities not supported, otherwise emit warning if -Woverflow. On
1073         underflow, emit warning if -Woverflow.
1074         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1075         and 0 otherwise.
1076         * real.h (real_from_string): Update declaration
1078 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1079             Richard Henderson  <rth@redhat.com>
1081         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1082         * calls.c (compute_argument_block_size, expand_call,
1083         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1084         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1085         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1086         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1087         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1088         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1089         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1090         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1091         Set to 1.
1093 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1095         * c-incpath.c (add_sysroot_to_chain): New.
1096         (merge_include_chains): Add sysroot argument.  Call
1097         add_sysroot_to_chain if sysrooted.
1098         (register_include_chains): Update call to merge_include_chains.
1099         * doc/cppopts.texi: Document use of '=' in include directory
1100         arguments.
1102 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1104         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1105         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1106         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1107         insn pattern using X87MODEF12 mode macro.
1109 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1111         * regmove.c (regmove_optimize): Use reg_mentioned_p
1112         instead of reg_overlap_mentioned_p for DST.
1114 2007-03-21  Mike Stump  <mrs@apple.com>
1116         * c.opt: Fixup for Objective-C/C++.
1118 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1120         * explow.c (convert_memory_address): Fold memory reference when
1121         POINTERS_EXTEND_UNSIGNED < 0
1123 2007-03-21  Richard Henderson  <rth@redhat.com>
1125         PR target/31245
1126         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1127         * config/i386/mmintrin.h (__m64): Likewise.
1128         * config/i386/xmmintrin.h (__m128): Likewise.
1130 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1132         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1133         (VXWORKS_OS_CPP_BUILTINS): Define.
1134         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1135         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1137 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1139         * rtl.h (constant_pool_reference_p): Delete.
1140         (find_constant_src): Declare.
1141         * rtlanal.c (find_constant_src): New function.
1142         * simplify-rtx.c (constant_pool_reference_p): Delete.
1143         * config/i386/i386.md: Use find_constant_src instead of
1144         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1146 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1148         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1149         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1151 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1153         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1154         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1155         (arm_elf_asm_constructor): Use it.
1156         (arm_elf_asm_destructor): New function.
1158 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1160         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1162 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1164         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1166 2007-03-19  Andrew Haley  <aph@redhat.com>
1168         PR tree-optimization/31264
1169         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1170         VIEW_CONVERT_EXPRs.
1172 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1174         PR rtl-optimization/30907
1175         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1176         (fwprop_init): Always call loop_optimizer_initialize.
1177         (fwprop_done): Always call loop_optimizer_finalize.
1178         (fwprop): We always have loop info now.
1179         (gate_fwprop_addr): Remove.
1180         (pass_fwprop_addr): Use gate_fwprop as gate.
1182         PR rtl-optimization/30841
1183         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1184         df_chain_alloc): Call df_reorganize_refs unconditionally.
1185         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1186         refs_organized to refs_organized_size.
1187         (df_ref_create_structure): Use refs_organized_size instead of
1188         bitmap_size if refs had been organized, and keep refs_organized_size
1189         up-to-date.
1190         * df.h (struct df_ref_info): Change refs_organized to
1191         refs_organized_size.
1192         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1193         bitmap_size.
1195 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1197         * except.c (output_function_exception_table): Do not reference the
1198         EH personality routine for functions that do not require an
1199         exception table.
1201 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1203         PR c/30762
1204         * c-typeck.c (convert_for_assignment): Call comptypes for
1205         RECORD_TYPE or UNION_TYPE.
1207         PR inline-asm/30505
1208         * reload1.c (reload): Do invalid ASM checking after
1209         cleanup_subreg_operands.
1211 2007-03-19  Jeff Law  <law@redhat.com>
1213         * tree-cfg.c (find_taken_edge): Tighten conditions for
1214         optimizing computed gotos.
1216 2007-03-19  Michael Matz  <matz@suse.de>
1218         * builtins.c (expand_builtin_sync_operation,
1219         expand_builtin_compare_and_swap,
1220         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1221         correctly.
1223         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1224         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1225         for operand 3.
1227 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1229         * doc/tm.texi: Add brackets around the return type of
1230         TARGET_SECONDARY_RELOAD.
1232 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1233         Richard Guenther  <rguenther@suse.de>
1235         PR tree-optimization/31254
1236         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1237         Use handled_component_p () where appropriate.  Continue
1238         propagating into the rhs if we propagated into an INDIRECT_REF
1239         on the lhs.
1241 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1243         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1244         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1245         (xde, xdee): Mode attributes adjusted to support DFP modes.
1246         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1247         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1248         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1249         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1250         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1251         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1252         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1253         numbers.
1254         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1255         "movsf"): Insn definitions removed.
1256         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1257         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1258         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1259         definitions added.
1260         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1261         "reload_in<mode>", "reload_out<mode>"): Expander added.
1262         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1263         Expander removed.
1265 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1267         * config/s390/s390.md: Only non-functional changes.  Renamed
1268         FPR mode macro to BFP all over the file.
1270 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1272         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1273         (op_type attribute): RRF instruction type added.
1274         (fT0): New mode attribute.
1275         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1276         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1277         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1278         no secondary memory is needed when moving DFmode values between GPRs
1279         and FPRs.
1281 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1283         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1284         inverted and documentation adjusted.
1285         ("mhard-dfp", "msoft-dfp"): New options.
1286         * config/s390/s390.c (s390_handle_arch_option): New architecture
1287         switch: z9-ec.
1288         (override_options): Sanity checks for the new options added.
1289         * config.gcc: New architecture switch: z9-ec.
1290         * config/s390/s390.h (processor_flags): PF_DFP added.
1291         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1292         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1293         when the bit is NOT set so remove it from the defaults.
1295 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1297         * genemit.c (main): Print include statement for dfp.h.
1298         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1299         is not available.
1301 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1303         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1305 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1307         PR target/31022
1308         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1309         instead of PATTERN.
1311 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1313         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1314         attr_length_call, output_call, output_indirect_call): Cleanup
1315         formatting of targetm calls.
1317 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1319         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1321 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1323         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1324         reservation, bypass and anti-bypass descriptions for these instructions.
1325         Update move patterns.
1326         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1327         TYPE_FPSTORE.
1329 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1331         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1332         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1333         (get_initial_def_for_reduction): Likewise.
1335 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1337         Fix PR tree-optimization/29922
1338         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1339         (get_representative): Removed.
1340         (value_dies_in_block_x): Update for rvuse removal.
1341         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1342         (compute_antic_aux): Handle when PHI nodes appear in
1343         non-single-successors.
1344         (dump_bitmap_of_names): Removed.
1345         (compute_antic_safe): Renamed and removed rvuse calculation.
1346         Calculate only antic safe.
1347         (insert_into_preds_of_block): Remove assert.
1348         (execute_pre): Update for renamed functions.
1349         (defer_or_phi_translate_block): New function.
1351 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1353         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1354         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1355         typos.
1356         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1357         Follow spelling conventions.
1359         * tree-data-ref.h: Remove the prototype for analyze_array.
1361 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1363         PR tree-optimization/31041
1364         * tree-vect-transform.c (get_initial_def_for_induction): Call
1365         force_gimple_operand.
1367 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1369         * ipa-type-escape.c (look_for_casts) : Revert code to use
1370         handled_component_p due to ada test a-numaux.adb.
1372 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1374         * final.c (final_scan_insn): Alter the condition of a
1375         conditional trap if we have nonstandard CC.
1377 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1379         * configure.ac: Remove excess quoting from asm line 0 test.
1380         * configure: Rebuilt.
1382 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1384         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1385         * c-common.c (convert_and_check): Move warning logic to...
1386         (warnings_for_convert_and_check): ...here. Define.
1387         * c-common.h (warnings_for_convert_and_check): Declare.
1389 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1391         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1392         (output_call): Likewise.
1394 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1396         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1398 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1400         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1402 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1404         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1405         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1407 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1409         PR tree-optimization/31183
1410         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1411         Use double_int instead of unsigned int for representing access_strides.
1412         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1414 2007-03-16  Richard Guenther  <rguenther@suse.de>
1416         PR tree-optimization/31146
1417         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1418         to allow recursion of forward_propagate_addr_expr.
1419         (forward_propagate_addr_into_variable_array_index): Likewise.
1420         (forward_propagate_addr_expr): Likewise.
1421         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1422         (forward_propagate_addr_expr_1): Recurse on simple copies
1423         instead of propagating into them.  Do so for useless conversions
1424         as well.
1425         (forward_propagate_addr_expr): Clean up unused statements after
1426         recursion.
1428 2007-03-16  Richard Guenther  <rguenther@suse.de>
1430         * builtins.c (expand_builtin_cexpi): Use the right argument
1431         for the expansion via cexp.
1433 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1435         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1436         * configure: Rebuilt.
1438 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1440         PR debug/29906
1441         * dwarf2out.c (force_type_die): Adjust comment.
1442         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1444 2007-03-15  DJ Delorie  <dj@redhat.com>
1446         * config/frv/predicates.md (minmax_operator): Don't check operands
1447         here.
1449 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1451         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1452         Update constant estimates of number of iterations.
1453         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1454         argument renamed to "realistic".
1455         (compute_estimated_nb_iterations): Removed.
1456         (record_niter_bound): New function.
1457         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1458         call record_nonwrapping_iv with upper = false.
1459         (infer_loop_bounds_from_signedness): Pass upper argument to
1460         record_nonwrapping_iv.
1461         (estimate_numbers_of_iterations_loop): Do not call
1462         compute_estimated_nb_iterations.  Record estimate based on profile
1463         information.  Initialize the constant estimates of number of
1464         iterations.
1465         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1466         estimates.
1467         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1468         number of iterations is too small.
1469         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1470         (EST_NOT_AVAILABLE): Removed.
1471         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1472         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1473         fields.
1475 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1477         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1478         Handle NE_EXPR guards.
1480 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1482         PR c++/24924
1483         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1484         Set also -pedantic-errors by default for the  preprocessor unless
1485         -fpermissive is given.
1487 2007-03-15  Richard Guenther  <rguenther@suse.de>
1489         PR middle-end/29719
1490         PR middle-end/31161
1491         * builtins.c (expand_builtin_cexpi): As a fallback if we
1492         don't have builtins for sincos or cexp create a function
1493         declaration for cexp and expand to a call to that.
1494         (expand_builtin_int_roundingfn): Always fall
1495         back to floor/ceil and its variants even if they may be
1496         not available.
1498 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1500         PR middle-end/31159
1501         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1502         jump tables, move the call to delete_dead_jumptables from here...
1503         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1504         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1505         don't allow merging of blocks that try_redirect_by_replacing_jump
1506         also does not handle when not optimizing.
1508 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1509             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1511         * config/i386/i386.md (x86_sahf_1): Correctly handle
1512         HAVE_AS_IX86_SAHF.
1514 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1516         PR target/31167
1517         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1518         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1519         from operand constraints and use "e" constraint instead.
1520         (*subti3_1, *subti3_1 splitter): Ditto.
1521         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1522         operand[1] predicate.
1524 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1526         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1527         arrays, multiply the access strides by the size of the sub-array.
1528         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1530 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1532         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1533         the configured assembler supports the sahf mnemonic.
1534         * configure: Regenerate.
1535         * config.in: Regenerate.
1537         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1538         emit "sahf" or ".byte\t0x9e" as asm template.
1540 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1542         PR 31018
1543         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1544         option to replace hard coded TARGET_xxx in md file.
1545         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1546         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1547         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1548         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1549         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1550         (X86_TUNE_NOT_VECTORMODE): Ditto.
1551         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1552         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1553         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1554         (TUNE_SLOW_IMUL_IMM8): Ditto.
1555         (TUNE_MOVE_M1_VIA_OR): Ditto.
1556         (TUNE_NOT_UNPAIRABLE): Ditto.
1557         (TUNE_NOT_VECTORMODE): Ditto.
1559         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1560         options.
1562         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1563         tuning options instead of hard coded TARGET_xxx.
1564         (fix ssemode peephole2's): Ditto.
1565         (imul peephole2's): Ditto.
1566         (movsi_or): Ditto.
1567         (movdi_or_rex64): Ditto.
1568         (move peephole2): Ditto.
1569         (not peephole2's): Ditto.
1571 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1573         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1574         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1575         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1576         of empty body.
1577         * c-parser.c (c_parser_do_statement): Warn about empty body in
1578         do/while statement.
1579         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1580         * doc/invoke.texi (-Wempty-body): Update documentation.
1582 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1584         PR c/21438
1585         * c-common.h (warn_for_div_by_zero): Declare.
1586         * c-common.c (warn_for_div_by_zero): Define.
1587         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1588         warning.
1590 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1592         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1593         to PREFIX and STANDARD_PREFIX.
1595 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1596             Phil Edwards  <phil@codesourcery.com>
1598         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1599         (__gthread_once_t): Remove busy field for RTPs.
1600         (__GTHREAD_ONCE_INIT): Update accordingly.
1602 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1604         * doc/invoke.texi: Document VxWorks options.
1606 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1608         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1610 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1612         PR tree-optimization/30590
1613         * tree-nrv.c (tree_nrv): Check for the partial update of the
1614         return value.
1616 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1618         * flags.h (flag_random_seed): Remove declaration, in favor of...
1619         * toplev.h (get_random_seed, set_random_seed): ... these.
1620         * tree.c (get_file_function_name): Use the former.
1621         * opts.c (common_handle_option): Use the latter.
1622         * toplev.c
1624 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1626         PR middle-end/31127
1627         * cse.c (cse_find_path): Do not bail out if a basic block that
1628         we already visited now becomes part of a path that starts at a
1629         different basic block.  Just disallow this, to make sure we
1630         visit each basic block at most once.
1632 2007-03-13  Jan Hubicka  <jh@suse.cz>
1634         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1635         when profile esitmate is present, calls with very low frequency are
1636         cold.
1638 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1640         PR tree-optimization/30730
1641         PR tree-optimization/26900
1642         * tree-ssa-loop-niter.c: Include gmp.h.
1643         (bounds): New type.
1644         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1645         split_to_var_and_offset, determine_value_range,
1646         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1647         bound_difference, bounds_add, bounds_negate,
1648         number_of_iterations_ne_max, dump_affine_iv): New functions.
1649         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1650         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1651         difference of initial and final value of control iv to validate
1652         results.
1653         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1654         on the difference of the extremes of the control iv.  Add dumps.
1655         (expand_simple_operations): Handle phi nodes.
1656         (simplify_using_initial_conditions): Do not record used conditions.
1657         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1658         Do not set additional_info.
1659         (implies_nonnegative_p, implies_ge_p): Removed.
1660         (derive_constant_upper_bound): Do not use parameter `additional'.
1661         (record_estimate): Parameter `additional' removed.  Parameter
1662         `i_bound' added.  Do not call derive_constant_upper_bound.
1663         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1664         bound the number of iterations estimate.
1665         (estimate_numbers_of_iterations_loop): Pass the estimate from
1666         the number of iterations analysis to record_estimate.
1667         * tree.h (multiple_of_p): Declare.
1668         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1669         (scev_const_prop): Do not check expression_expensive_p.
1670         * fold-const.c (multiple_of_p): Exported.
1671         * double-int.c (double_int_mask): Exported.
1672         * double-int.h (double_int_mask): Declare.
1673         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1674         field.  Added max field.
1676 2007-03-13  David Taylor  <taylor@candd.org>
1678         PR driver/12448:
1679         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1680         default -MQ.
1682 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1684         PR target/31123
1685         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1686         two unamed patterns.
1688 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1690         * config/i386/i386.opt (mcx16, msahf): New options.
1691         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1692         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1694         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1695         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1696         Output -mcx16 and -msahf options when corresponding bit is set.
1698         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1699         and -msahf options.
1701 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1703         * configure.ac: Test for assembler tolerance to # 0 "".
1704         * configure, config.in: Rebuilt.
1705         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1707 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1709         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1711         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1712         (handle_syscall): Handle direct system calls.
1713         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1715 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1717         * doc/invoke.texi: Fix cpp.info cross-reference.
1718         * doc/passes.texi: Fix gcc.info cross-reference.
1720 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1722         PR tree-optimization/30835
1723         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1724         bb_for_stmt is not NULL before accessing it.
1726 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1728         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1729         some multilibs.
1731 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1733         PR 30635
1734         * doc/install.texi: Document --enable-stage1-languages
1736 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1738         * tree-pass.h (pass_into_cfg_layout_mode,
1739         pass_outof_cfg_layout_mode): Declare.
1740         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1741         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1742         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1743         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1745 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1747         * c-decl.c (warn_variable_length_array): New function.
1748         Refactored from grokdeclarator to handle warn_vla
1749         and handle unnamed array case.
1750         (grokdeclarator): Refactored VLA warning case.
1751         * c.opt (Wvla): New flag.
1752         * doc/invoke.texi (Wvla): New warning.
1754 2007-03-12  Richard Henderson  <rth@redhat.com>
1756         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1757         (TARGET_SECTION_TYPE_FLAGS): New.
1759 2007-03-12  Richard Henderson  <rth@redhat.com>
1761         * config/darwin.c (machopic_reloc_rw_mask): New.
1762         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1763         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1765 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1767         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1768         * cppdefault.h (cpp_PREFIX): Document.
1769         (cpp_PREFIX_len): Likewise.
1770         (cpp_EXEC_PREFIX): New variable.
1771         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1772         * c-incpath.c (add_standard_paths): Correct logic for relocating
1773         paths within prefix.
1775 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1777         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1778         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1779         mode macro.
1780         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1781         fix_truncdfdi_sse using SSEMODEF mode macro.
1782         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1783         fix_truncdfsi_sse using SSEMODEF mode macro.
1784         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1785         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1787 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1789         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1790         elfos.h to tm_file.
1792 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1794         * tree.h : Add multiple_of_p declaration.
1795         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1796         * ipa-type-escape.c (results_of_malloc): Redundant.
1797         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1798         (cast_type): Extended with new members.
1799         (check_cast): Returns cast_type.
1800         (cast): New structure for data of walk_use_def_chains.
1801         (is_malloc_result, is_cast_from_non_pointer_1,
1802         is_cast_from_non_pointer,
1803         is_array_access_through_pointer_and_index): New functions.
1804         (look_for_casts): Returns cast types.
1805         (check_call): Returns void.
1806         (okay_pointer_operation): Use support of pointer plus index,
1807         pointer plus constant and allow all multiplications.
1809 2007-03-11  Richard Guenther  <rguenther@suse.de>
1811         PR tree-optimization/31115
1812         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1813         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1814         A shift count of zero is not special as with *_DIV_EXPR.
1815         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1816         direction.
1818 2007-03-11  Ian Lance Taylor  <iant@google.com>
1820         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1821         the *_DIV_EXPR codes correctly with overflow infinities.
1823 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1825         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1826         indicate success/failure of the analysis. Add negation to subtrahend
1827         in case of subtraction. Fail if both operands contain constants.
1828         (create_data_ref): Fail if analyze_offset fails.
1830 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1832         * config/i386/i386.md (frndintxf2): Rename to ...
1833         (rintxf2): ... this. Remove expander having same name.
1834         (rintsf2, rintdf2): Implement using SSEMODEF macro.
1835         (roundsf2, rounddf2): Ditto.
1836         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
1837         (lround<mode>di2, lround<mode>si2): Ditto.
1839 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
1841         * lower-subreg.c: Include except.h.
1842         (decompose_multiword_subregs): Verify that the only control flow
1843         insns we can split are loads to multi-words pseudos.
1844         Handle breaking such blocks after splitting, instead of calling
1845         find_many_sub_basic_blocks.
1847         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
1848         on the new basic block.  Add a lengthy comment explaining why we
1849         thought this was necessary.
1850         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
1852 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1854         PR c++/30924
1855         * tree.c (walk_type_fields): Recurse into the element type of
1856         ARRAY_TYPEs if there is a pointer set.
1858 2007-03-10  Dirk Mueller  <dmueller@suse.de>
1860         * c-common.c (warn_logical_operator): Fix condition.
1862 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
1864         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
1865         quotation mark.
1866         * config/darwin.c (machopic_select_section): Remove superfluous
1867         argument in call to categorize_decl_for_section.  Remove unused
1868         variable shlib.
1870 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
1872         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
1873         defined.
1874         * configure: Regenerate.
1876 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
1878         PR target/31101
1879         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
1880         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
1881         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
1882         Add LABEL_NUSES to emitted label.
1883         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
1884         branch probability value to emitted jump insn.
1885         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
1886         Do not check life information and do not re-arrange input operands
1887         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
1889 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1891         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
1892         the change of decode_asm_operands.
1894 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1896         * mode-switching.c (create_pre_exit): Skip blockage insn.
1898 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
1900         * tree-pass.h (TODO_update_smt_usage): Remove.
1901         Update all users.
1902         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1903         argument SOME.
1904         Update all users.
1906 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1908         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1909         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1910         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1911         SOM target.
1913 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
1915         * gcc.c: Document %{, in big comment at top.
1916         (input_suffix_matches): Remove special handling for .s and
1917         .S.
1918         (input_spec_matches): New.
1919         (handle_braces): Handle %{,.
1920         (validate_switches): ',' indicates a value which is not a switch.
1921         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
1922         to detect assembler input.
1923         * config/i386/sol2.h (CPP_SPEC): Likewise.
1924         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
1925         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1926         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
1927         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1928         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
1929         -m64 causes deployment target to default to 10.5.
1930         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1932 2007-03-09  Richard Henderson  <rth@redhat.com>
1934         PR target/26090
1935         * target.h (targetm.asm.out.reloc_rw_mask): New.
1936         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1937         (TARGET_ASM_OUT): Use it.
1938         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1939         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1940         use the new reloc_rw_mask target hook instead.
1941         (default_section_type_flags_1): Merge into...
1942         (default_section_type_flags): ... here.
1943         (decl_readonly_section_1): Merge into...
1944         (decl_readonly_section): ... here.
1945         (default_elf_select_section_1): Merge into...
1946         (default_elf_select_section): ... here.
1947         (default_unique_section_1): Merge into...
1948         (default_unique_section): ... here.
1949         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1950         (default_select_rtx_section): Use it.
1951         (default_elf_select_rtx_section): Likewise.
1952         * output.h: Update to match.
1953         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1954         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1955         (TARGET_ASM_RELOC_RW_MASK): New.
1956         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1957         to categorize_decl_for_section.
1958         (x86_64_elf_unique_section): Likewise.
1959         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1960         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1961         (TARGET_ASM_RELOC_RW_MASK): New.
1962         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1963         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1964         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1965         (TARGET_RWRELOC): Remove.
1966         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1967         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1968         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1969         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1970         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1971         (rs6000_xcoff_select_section): Use decl_readonly_section.
1972         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1973         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1974         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1975         (TARGET_SECTION_TYPE_FLAGS): Remove.
1976         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1978 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1980         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1981         complex constant equality/inequality comparisons for here.
1982         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1983         known at compile-time or can be simplified to a scalar comparison.
1984         (fold_relational_const): Move compile-time evaluation of complex
1985         constant equality/inequality comparisons to here.
1987 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1989         PR rtl-optimization/30643
1990         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1991         dest_addr_elt.
1992         (fold_rtx): Recurse, like before 2006-11-03.
1994 2007-03-09  DJ Delorie  <dj@redhat.com>
1996         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1997         m32c-pragma.o.
1999 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2001         PR tree-optimization/30375
2002         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2003         LHS of statements is not the same.
2004         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2006 2007-03-09  Chao-ying Fu  <fu@mips.com>
2008         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2009         REV 2.
2010         * doc/invoke.texi (-mdspr2): Document new option.
2011         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2012         New unspec for DSP REV 2.
2013         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2014         these instructions are extended in DSP REV 2.
2015         (mips-dspr2.md): Include.
2016         * config/mips/mips.opt (mdspr2): New option.
2017         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2018         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2019         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2020         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2021         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2022         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2023         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2024         and 2 builtins.
2025         (bdesc_map): Add one field of unsupported_target_flags.
2026         (bdesc_arrays):  Update entries to have extra fields.  Add
2027         dsp_32only_bdesc.
2028         (mips_init_builtins): Initialize new function types.
2029         Check unsupported_target_fileds to filter out builtins.
2030         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2031         TARGET_DSPR2.
2032         (ASM_SPEC): Pass mdspr2 to the assembler.
2033         * config/mips/mips-dspr2.md: New file.
2035 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2037         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2039 2007-03-09  Ian Lance Taylor  <iant@google.com>
2041         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2042         argument) like -Wstrict-overflow=2.
2043         * doc/invoke.texi (Warning Options): Update documentation.
2045 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2047         PR c++/17946
2048         * doc/invoke.texi (-Wlogical-op): Document.
2049         * common.opt (-Wlogical-op): New.
2050         * c-common.h (warn_logical_operator): Declare.
2051         * c-common.c (warn_logical_operator): Define.
2052         * c-typeck.c (parser_build_binary_op): Call
2053         warn_logical_operator.
2055 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2057         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2058         * final.c (final_scan_insn): Test for non-"" file name.
2060 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2062         * doc/loop.texi: Document the Omega linear constraints solver.
2063         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2064         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2065         omega-hash-table-size, omega-max-keys, and
2066         omega-eliminate-redundant-constraints.
2067         * tree-pass.h (pass_check_data_deps): Declared.
2068         * omega.c: New.
2069         * omega.h: New.
2070         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2071         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2072         pass_check_data_deps): New.
2073         * tree-data-ref.c (init_data_ref): Remove declaration.
2074         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2075         (analyze_array): Renamed init_array_ref, move up initializations.
2076         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2077         Removed arguments that are set to NULL.
2078         (analyze_indirect_ref): Correct indentation, correct call to
2079         init_pointer_ref.
2080         (object_analysis): Call init_array_ref instead of analyze_array.
2081         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2082         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2083         of DR_ACCESS_FNS_ADDR.
2084         (init_omega_eq_with_af, omega_extract_distance_vectors,
2085         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2086         ddr_consistent_p): New.
2087         (compute_affine_dependence): Check consistency of ddrs when
2088         flag_check_data_deps is passed.
2089         (analyze_all_data_dependences): Uncomment.
2090         (tree_check_data_deps): New.
2091         * tree-data-ref.h: Include omega.h.
2092         (DR_ACCESS_FNS_ADDR): Removed.
2093         (data_dependence_relation): Add inner_loop.
2094         (DDR_INNER_LOOP): New.
2095         * common.opt (fcheck-data-deps): New.
2096         * tree-flow.h (tree_check_data_deps): Declare.
2097         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2098         (OBJS-common): Depend on omega.o.
2099         (omega.o): Define.
2100         * passes.c (pass_check_data_deps): Scheduled.
2101         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2102         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2103         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2104         PARAM_VECT_MAX_VERSION_CHECKS,
2105         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2107 2007-03-09  Richard Guenther  <rguenther@suse.de>
2109         PR tree-optimization/30904
2110         PR middle-end/31058
2111         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2112         the same way as *_DIV_EXPR.
2114 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2116         * recog.c (decode_asm_operands): No mixed declarations and code.
2118 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2120         * rtl.def (ASM_INPUT): Add location.
2121         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2122         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2123         (decode_asm_operands): Add loc operand.
2124         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2125         * stmt.c (expand_asm): Rename to...
2126         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2127         gen_rtx_ASM_INPUT_loc.
2128         (expand_asm_expr): Adjust.
2129         * recog.c (decode_asm_operands): Add loc operand.
2130         (check_asm_operands, extract_insn): Adjust.
2131         * reload1.c (maybe_fix_stack_asms): Likewise.
2132         * final.c (asm_insn_count): Likewise.
2133         (final_scan_insn): Output # line before and after asm.
2135 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2137         * tree-ssa-structalias.c (variable_info): Remove
2138         finished_solution.
2139         (new_var_info): Ditto.
2140         (shared_bitmap_info_t): New structure.
2141         (shared_bitmap_table): New variable.
2142         (shared_bitmap_hash): New function.
2143         (shared_bitmap_eq): Ditto
2144         (shared_bitmap_lookup): Ditto.
2145         (shared_bitmap_add): Ditto.
2146         (merge_smts_into): Change to take bitmap directly.
2147         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2148         (init_alias_vars): Init shared bitmap hashtable.
2149         (delete_points_to_sets): Delete shared bitmap hashtable.
2150         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2151         is_aliased removal as a change that was still necessary was
2152         deleted.
2154 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2156         * config/i386/i386.h (override_options): Conditionally disable
2157         x86_sahf for 64bit targets only.
2159 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2161         PR C/31072
2162         * c-decl.c (merge_decls): Don't call make_var_volatile.
2163         * varasm.c (make_var_volatile): Remove.
2164         * output.h (make_var_volatile): Remove.
2166 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2168         PR tree-optimization/31085
2169         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2171 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2173         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2174         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2175         ATTR_CONST_NOTHROW_LIST.
2177         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2178         FIX_TRUNC_EXPR.
2180 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2182         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2184 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2186         PR 31013
2187         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2188         is declared.
2189         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2190         passed, use shared libgcc.
2192 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2194         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2195         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2196         (honor_protect_cleanup_actions, lower_try_finally_switch):
2197         Likewise.
2198         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2199         ifc_temp_var): Likewise.
2200         * tree-inline.c (setup_one_parameter): Likewise.
2201         * tree-mudflap.c (mf_decl_cache_locals,
2202         mf_build_check_statement_for): Likewise.
2203         * tree-nested.c (init_tmp_var, save_tmp_var,
2204         finalize_nesting_tree_1): Likewise.
2205         * tree-outof-ssa.c (insert_copy_on_edge,
2206         insert_backedge_copies): Likewise.
2207         * tree-profile.c (tree_gen_edge_profiler,
2208         tree_gen_ic_profiler): Likewise.
2209         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2210         * tree-sra.c (sra_build_assignment): Likewise.
2211         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2212         * tree-ssa-math-opts.c (insert_reciprocals,
2213         execute_cse_sincos_1): Likewise.
2214         * tree-tailcall.c (adjust_accumulator_values,
2215         adjust_return_value): Likewise.
2216         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2217         * tree-vect-transform.c (vect_create_data_ref_ptr,
2218         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2219         vect_create_epilog_for_reduction, vectorizable_reduction,
2220         vectorizable_call, vectorizable_conversion,
2221         vectorizable_assignment, vectorizable_operation,
2222         vectorizable_type_demotion, vect_gen_widened_results_half,
2223         vect_permute_store_chain, vectorizable_store,
2224         vect_setup_realignment, vect_permute_load_chain,
2225         vectorizable_load, vectorizable_condition,
2226         vect_create_cond_for_align_checks): Likewise.
2227         * tree-vrp.c (build_assert_expr_for): Likewise.
2229 2007-03-08  Ian Lance Taylor  <iant@google.com>
2231         * tree-vrp.c: Include "intl.h".
2232         (usable_range_p): New static function.
2233         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2234         overflowed values, juts set *strict_overflow_p.
2235         (compare_values): Only return -2 if one of the operands is not a
2236         constant.
2237         (compare_ranges): Call usable_range_p.
2238         (compare_range_with_value): Likewise.
2239         (vrp_evaluate_conditional_warnv): Rename from
2240         vrp_evaluate_conditional.  Make static.  Change all callers.
2241         (vrp_evaluate_conditional): New function.
2242         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2243         on signed overflow.
2244         (simplify_abs_using_ranges): Likewise.
2245         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2246         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2247         within_stmt parameter.
2248         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2249         vrp_evaluate_conditional.
2250         * tree-ssa-threadedge.c
2251         (record_temporary_equivalences_from_stmts_at_dest): Change
2252         simplify parameter to take a second tree parameter.
2253         (simplify_control_stmt_condition): Likewise.
2254         (thread_across_edge): Likewise.
2255         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2256         (thread_across_edge): Likewise.
2257         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2259 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2261         * config/i386/i386.h (TARGET_SAHF): New define.
2262         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2263         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2264         (x86_sahf): New global variable.
2265         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2266         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2267         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2268         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2269         for 64-bit.
2270         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2271         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2272         when expanding fcomi/sahf based tests.
2273         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2274         expanding sahf based alternative. Emit sahf based sequence when
2275         optimizing for code size.
2276         * config/i386/i386.md (x86_sahf_1): Do not disable for
2277         TARGET_64BIT, enable for TARGET_SAHF.
2279 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2281         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2282         spurious whitespace from error message.
2284 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2286         PR c++/30852
2287         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2289 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2291         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2292         bitfields.
2293         * tree-sra.c (instantiate_element): Propagate disabled warnings
2294         from the element itself to the created variable.
2296 2007-03-07  Richard Henderson  <rth@redhat.com>
2298         PR target/30848
2299         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2300         silently fix up the stack in the case of a missing register.
2302 2007-03-07  Paul Brook  <paul@codesourcery.com>
2304         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2306 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2308         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2309         New.
2310         (phase1_vrs): Use them.
2311         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2312         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2313         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2314         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2315         __gnu_Unwind_Restore_WMMXC if required.
2316         (_Unwind_VRS_Pop): Implement iWMMXt support.
2317         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2318         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2319         gnu_Unwind_Save_WMMXC): Define.
2321 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2323         * config/vxworks.h (vxworks_override_options): Declare.
2324         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2325         * config/vxworks.c: Include target.h and toplev.h.
2326         (vxworks_override_options): New function.
2327         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2329 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2331         * config/s390/s390.c (override_options): Don't emit an error when
2332         -mstack-size is used without providing -mstack-guard.
2333         (s390_emit_prologue): Choose stack_guard value automatically if not
2334         provided via command line.
2335         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2337 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2339         * config/i386/i386.c (output_set_got): Add a GOT initialization
2340         sequence for VxWorks PIC.
2341         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2342         around labels as well as symbols.  Use gotoff_operand instead
2343         of local_symbolic_operand.
2344         (legitimize_pic_address): Use gotoff_operand instead of
2345         local_symbolic_operand.  Use @GOT accesses for labels as
2346         well as symbols.
2347         (ix86_output_addr_diff_elt): Use PC-relative rather than
2348         GP-relative offsets for VxWorks PIC.
2349         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2350         no_new_pseudos.  Check whether the returned register is op0.
2351         * config/i386/i386.md (tablejump): Use PC-relative rather than
2352         GP-relative offsets for VxWorks PIC.
2353         * config/i386/predicates.md (gotoff_operand): New predicate.
2355 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2357         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2358         before defining.
2359         * config/vxworks-dummy.h: New file.
2360         * config/i386/i386.h: Include it.
2362 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2364         * dwarf2out.c (is_inlined_entry_point): New
2365         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2366         DW_AT_ranges if the first subblock is the entry point.
2368 2007-03-06  David Daney  <ddaney@avtrex.com>
2370         * doc/install.texi (mips-*-*): Change recommended binutils
2371         version.
2373 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2375         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2376         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2377         devices.
2378         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2379         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2381 2007-03-06  Jan Hubicka  <jh@suse.cz>
2383         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2384         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2385         are hot.
2386         (probably_cold_bb_p): Cold functions are cold.
2387         (probably_never_executed_bb_p): Cold functions are cold.
2388         (tree_bb_level_predictions): Predict calls to cold functions as not
2389         taken.
2390         (compute_function_frequency): Check hot/cold attributes.
2391         * function.h (function_frequency): Update comments.
2392         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2393         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2394         (c_common_att): Add cold and hot.
2396         * doc/extend.texi (hot,cold attributes): Document.
2398 2007-03-06  Andrew Haley  <aph@redhat.com>
2400         * function.c (expand_function_end): Move blockage to just after we
2401         emit the label for the naked return from the function.
2403 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2405         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2406         before redefining.
2408 2007-03-06  Jan Hubicka  <jh@suse.cz>
2410         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2411         loaded for constant large models.  Non-large 64bit PIC can do.
2412         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2413         * cmodel.h: Add LARGE PIC.
2414         * i386.md (UNSPEC_PLTOFF): New.
2415         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2416         needed.
2417         (*call_1_rex64): Disable for large models.
2418         (*call_1_rex64_large): New.
2419         (*call_value_1_rex64): Disable for large models.
2420         (*call_value_1_rex64_large): New.
2421         (set_rip_rex4): New.
2422         (set_got_offset_rex64): New.
2423         * predicates.md (constant_call_address_operand): For large model
2424         constant calls are not possible.
2425         * i386-protos.h (construct_plt_address): Declare.
2426         * i386.c (override_options): Accept large models.
2427         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2428         (legitimate_constant_p): Add new UNSPECs.
2429         (legitimate_pic_operand_p): Likewise.
2430         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2431         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2432         non-large model.
2433         (output_pic_addr_const): Add PLTOFF.
2434         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2435         (ix86_expand_move): Legitimize pic address when in PIC mode.
2436         (construct_plt_address): New function.
2437         (ix86_expand_call): Offload the address to register and use GOT pointer
2438         for large model.
2439         * invoke.texi (mcmodel=large): Update documentation.
2441 2007-03-06  Richard Henderson  <rth@redhat.com>
2443         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2444         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2445         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2446         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2447         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2448         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2449         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2450         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2451         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2452         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2453         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2454         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2455         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2456         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2457         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2458         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2459         x86_schedule, x86_use_bt, x86_pad_returns,
2460         x86_use_xchgb): Merge into ...
2461         (ix86_tune_features): ... here.  New array.
2462         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2463         x86_bswap): Merge into ...
2464         (ix86_arch_features): ... here.  New array.
2465         (x86_3dnow_a): Remove.
2466         (x86_accumulate_outgoing_args): Make static.
2467         (x86_arch_always_fancy_math_387): Make static.
2468         (ix86_tune_mask, ix86_arch_mask): Move ...
2469         (override_options): ... to local variables here.  Apply the
2470         appropriate mask to each element of ix86_arch_features and
2471         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2472         as were done in the old macros.
2473         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2474         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2475         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2476         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2477         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2478         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2479         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2480         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2481         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2482         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2483         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2484         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2485         x86_accumulate_outgoing_args, x86_prologue_using_move,
2486         x86_epilogue_using_move, x86_decompose_lea,
2487         x86_arch_always_fancy_math_387, x86_shift1,
2488         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2489         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2490         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2491         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2492         x86_use_incdec, x86_pad_returns, x86_bswap,
2493         x86_partial_flag_reg_stall): Remove.
2494         (enum ix86_tune_indices): New.
2495         (ix86_tune_features): New.
2496         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2497         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2498         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2499         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2500         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2501         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2502         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2503         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2504         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2505         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2506         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2507         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2508         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2509         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2510         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2511         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2512         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2513         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2514         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2515         TARGET_EXT_80387_CONSTANTS): Use it.
2516         (enum ix86_arch_indices): New.
2517         (ix86_arch_features): New.
2518         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2519         TARGET_BSWAP): Use it.
2520         (ix86_tune_mask, ix86_arch_mask): Remove.
2522 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2524         PR bootstrap/31020
2525         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2526         Define using $${sysroot_headers_suffix}.
2527         * configure: Regenerate.
2528         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2529         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2530         defined.
2531         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2532         * gcc.c (print_sysroot_headers_suffix): New.
2533         (option_map): Include --print-sysroot-headers-suffix.
2534         (display_help): Mention -print-sysroot-headers-suffix.
2535         (process_command): Handle -print-sysroot-headers-suffix.
2536         (do_spec_1): Append multilib directory to include-fixed path if
2537         sysroot suffixes in use.
2538         (main): Handle -print-sysroot-headers-suffix.
2539         * Makefile.in (start.encap): Don't depend on xlimits.h
2540         (xlimits.h): Remove.
2541         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2542         limits.h for each multilib in fixinc_list.
2543         (fixinc_list, s-fixinc_list): New.
2544         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2545         generate them for each multilib in fixinc_list.
2546         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2547         multilib in fixinc_list.
2548         (mostlyclean): Don't remove xlimits.h.
2549         (clean): Remove include-fixed.
2550         (real-install-headers-tar, real-install-headers-cpio,
2551         real-install-headers-cp): Don't copy include, only include-fixed.
2552         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2553         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2554         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2555         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2557 2007-03-06  Jan Hubicka  <jh@suse.cz>
2559         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2560         NANs easilly.
2562 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2564         * configure.ac: Allow tm_file to contain build-directory files.
2565         * configure: Regenerate.
2566         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2567         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2568         * config/m68k/print-sysroot-suffix.sh: New file.
2570 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2572         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2573         of pic_offset_table_rtx if reload_completed.
2574         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2575         PIC_OFFSET_TABLE_REGNUM.
2576         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2577         return true.
2578         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2579         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2581 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2583         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2584         functions that call eh_return.
2586 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2588         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2589         functions that need a constant pool.
2591 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2593         PR target/28181
2594         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2595         (m68k_preferred_reload_class): Likewise.
2596         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2597         (SECONDARY_RELOAD_CLASS): Define.
2598         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2599         (LIMIT_RELOAD_CLASS): Delete.
2600         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2601         registers from storing bytes.
2602         (m68k_secondary_reload_class): New function.
2603         (m68k_preferred_reload_class): Likewise.
2605 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2607         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2608         leaf functions.
2609         (m68k_expand_prologue): Likewise.
2611 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2613         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2614         (mips_expand_epilogue): Add a bool parameter.
2615         (m68k_legitimize_sibcall_address): Declare.
2616         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2617         (m68k_expand_epilogue): Add a parameter to select between sibling
2618         and normal epilogues.  Only generate a return for the latter.
2619         (m68k_ok_for_sibcall_p): New function.
2620         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2621         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2622         (sibcall_value, *sibcall_value): Likewise.
2623         (*call, *call_value): Require !SIBLING_CALL_P.
2624         (epilogue): Update call to m68k_expand_epilogue.
2625         (sibcall_epilogue): New pattern.
2626         * config/m68k/predicates.md (const_call_operand): Say that this
2627         predicate applies to sibling calls too.
2628         (sibcall_operand): New predicate.
2630 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2632         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2633         alternatives as movsi_cf.
2634         (movsf_cf_hard): Add commentary.
2636 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2637             Richard Sandiford  <richard@codesourcery.com>
2639         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2640         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2641         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2642         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2643         as being live on exit from an interrupt function.
2644         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2645         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2646         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2647         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2648         (m68k_interrupt_function_p): Globalize.
2649         (m68k_compute_frame_layout): Remove reverse mask code.
2650         (m68k_emit_movem, m68k_set_frame_related): New functions.
2651         (m68k_output_function_prologue): Delete in favor of...
2652         (m68k_expand_prologue): ...this new function.
2653         (m68k_output_function_epilogue): Delete in favor of...
2654         (m68k_expand_epilogue): ...this new function.
2655         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2656         functions.
2657         (print_operand): Handle %?.
2658         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2659         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2660         (prologue, epilogue): New patterns.
2661         (return): Turn into a define_expand.
2662         (*return): New pattern, derived from old "return" pattern.  Use rte
2663         rather than rts for interrupt functions.  Only use rtd if the pop
2664         count is nonzero.
2665         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2666         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2667         (link, *link, unlink, *unlink, load_got): Likewise.
2669 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2671         PR target/23482
2672         PR target/17114
2673         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2674         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2675         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2676         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2677         and m68k_matches_u_p.
2678         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2679         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2680         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2681         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2682         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2683         (REG_STRICT_P): New macro.
2684         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2685         PCREL_GENERAL_OPERAND_OK.
2686         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2687         m68k_legitimate_base_reg_p.
2688         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2689         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2690         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2691         * config/m68k/m68k.c (m68k_address): New structure.
2692         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2693         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2694         (m68k_jump_table_ref_p, m68k_decompose_address)
2695         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2696         (m68k_matches_u_p): New functions.
2697         (print_operand_address): Rewrite to use m68k_decompose_index.
2699 2007-03-05  David Taylor  <dtaylor@emc.com>
2701         * gcc.c: Correct copyright date in --version output.
2703 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2705         * pa.md: In unamed move patterns, disparge copies between general
2706         and floating point registers using '?' modifier.  Don't include 'f'
2707         constraint for register preferences in DImode, SImode, HImode and
2708         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2709         Remove constraints for copies between general and floating registers
2710         in soft-float DFmode pattern.
2711         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2712         floating register.
2713         (movsf): Likewise.
2715 2007-03-05  Mike Stump  <mrs@apple.com>
2717         * c-common.c (targetcm): Add.
2718         * c-opts.c (c_common_handle_option): Handle language specific
2719         target options.
2720         * opts.c (handle_option): Verify language for target options, if
2721         any are given.
2722         * opth-gen.awk: Add CL_LANG_ALL.
2723         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2724         (TARGETCM_INITIALIZER): Add.
2725         * target.h (struct gcc_targetcm): Add.
2726         (targetcm): Add.
2727         * targhooks.c (default_handle_c_option): Add.
2728         * targhooks.h (default_handle_c_option): Add.
2729         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2731         * config/darwin.opt (iframework): Add.
2732         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2733         * config/darwin-c.c (handle_c_option): Add.
2734         (TARGET_HANDLE_C_OPTION): Add.
2735         (targetcm): Add.
2736         * doc/invoke.texi (Darwin Options): Add -iframework.
2738 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2740         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2741         conversion.
2743 2007-03-05  Ian Lance Taylor  <iant@google.com>
2745         * c.opt (fgnu89-inline): New option.
2746         * c-opts.c (c_common_post_options): Set default value for
2747         flag_gnu89_inline.
2748         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2749         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2750         inline functions.
2751         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2752         (grokdeclarator, start_function): Likewise.
2753         * c-cppbuiltin.c (c_cpp_builtins): Define either
2754         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2755         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2756         (C Dialect Options): Document -fgnu89-inline.
2757         * doc/extend.texi (Function Attributes): Explain what the
2758         gnu_inline attribute does.
2759         * doc/cpp.texi (Common Predefined Macros): Document
2760         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2762 2007-03-05  Ian Lance Taylor  <iant@google.com>
2764         PR tree-optimization/31034
2765         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2766         half-range if the other side is an overflow infinity.
2768 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2770         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2771         (bfin*-linux-uclibc*): New configuration.
2772         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2773         defining.
2774         * config/bfin/linux.h: New file.
2775         * config/bfin/libgcc-bfin.ver: New file.
2776         * config/bfin/t-bfin-uclinux: New file.
2777         * config/bfin/t-bfin-linux: New file.
2778         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2779         (TARGET_OS_CPP_BUILTINS): New macro.
2781 2007-03-05  Richard Guenther  <rguenther@suse.de>
2783         * fold-const.c (fold_binary): Remove duplicate folding
2784         of comparison of non-null ADDR_EXPR against null.
2786 2007-03-05  Richard Guenther  <rguenther@suse.de>
2787             Dorit Nuzman  <dorit@il.ibm.com>
2789         PR tree-optimization/26420
2790         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2791         are no loops in the function.  Only print the number of
2792         vectorized loops if it is greater than zero or we are supposed
2793         to print information about unvectorized loops.
2795 2007-03-05  Revital Eres  <eres@il.ibm.com>
2797         * gcc.dg/var-expand1.c: New test.
2798         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2799         when an accumulator is expanded.
2801 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2803         PR other/30465
2804         * c-common.c (convert_and_check): Don't give warnings for
2805         conversion if 'expr' already overflowed.
2807 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2809         PR middle-end/30744
2810         * fold-const.c (fold_comparison): Enforce type consistency when
2811         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2813 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2815         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2816         containing a cast to the base of TARGET_MEM_REF.
2818 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2820         * tree.c (tree_contains_struct_check_failed): Remove spurious
2821         whitespace from error message.
2823 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2825         PR target/30406
2826         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2827         instead of precision.
2829 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2830             Nathan Sidwell  <nathan@codesourcery.com>
2832         * emit-rtl.c (find_auto_inc): New.
2833         (try_split): recreate REG_INC notes,
2834         Use regular for loops rather than whiles.
2836 2007-03-03  Andreas Schwab  <schwab@suse.de>
2838         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
2839         * configure: Regenerate.
2841 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2843         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
2844         flag_rounding_math, not flag_unsafe_math_optimizations.
2846         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
2847         fold_build2.
2848         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
2849         alpha_fold_vector_minmax): Likewise.
2850         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2851         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
2853 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2855         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
2856         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
2857         if the lhs has side-effects.
2858         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
2860 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2862         * config/i386/i386.h (TUNEMASK): Remove define.
2863         (ARCHMASK): Remove define.
2864         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
2865          Use ix86_arch_mask variable instead of ARCHMASK.
2866         * config/i386/i386.c (override_options): Ditto.
2867         (standard_80387_constant_p): Ditto.
2869 2007-03-02  Ian Lance Taylor  <iant@google.com>
2871         Used signed infinities in VRP.
2872         * tree-vrp.c (uses_overflow_infinity): New static function.
2873         (supports_overflow_infinity): New static function.
2874         (make_overflow_infinity): New static function.
2875         (negative_overflow_infinity): New static function.
2876         (positive_overflow_infinity): New static function.
2877         (is_negative_overflow_infinity): New static function.
2878         (is_positive_overflow_infinity): New static function.
2879         (is_overflow_infinity): New static function.
2880         (overflow_infinity_range_p): New static function.
2881         (compare_values_warnv): New function split out of compare_values.
2882         (compare_value): Call it.
2883         (set_value_range_to_nonnegative): Add overflow_infinity
2884         parameter.  Change caller.
2885         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
2886         Change callers.
2887         (vrp_expr_computes_nonzero): Likewise.
2888         (compare_ranges, compare_range_with_value): Likewise.
2889         (compare_name_with_value, compare_names): Likewise.
2890         (vrp_evaluate_conditional): Likewise.
2891         (set_value_range): Handle infinity
2892         (vrp_operand_equal_p, operand_less_p): Likewise.
2893         (extract_range_from_assert): Likewise.
2894         (vrp_int_const_binop): Likewise.
2895         (extract_range_from_binary_expr): Likewise.
2896         (extract_range_from_unary_expr): Likewise.
2897         (extract_range_from_comparison): Likewise.
2898         (extract_range_from_expr): Likewise.
2899         (dump_value_range): Likewise.
2900         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
2901         (test_for_singularity): Likewise.
2902         (vrp_int_const_binop): Remove inline qualifier.
2903         (adjust_range_with_scev): Add comment.
2904         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2906 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
2908         * tree-ssa-structalias.c (could_have_pointers): Tidy.
2909         (get_constraint_for): Likewise.
2910         (do_structure_copy): Likewise.
2911         (find_func_aliases): Fix references to MODIFY_EXPR.
2912         (intra_create_variable_infos): Tidy.
2913         * tree-ssa-operands.c (add_virtual_operand): Add argument
2914         IS_CALL_SITE.
2915         When adding members of alias sets, if IS_CALL_SITE is true and
2916         the symbol is not call-clobbered, skip it.
2917         Adjust all callers.
2919 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
2921         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
2922         entry by means of emit_insn_at_entry.
2924 2007-03-02  Richard Henderson  <rth@redhat.com>
2926         * expr.h (promoted_input_arg): Remove decl.
2927         * function.c (promoted_input_arg): Merge into ...
2928         * combine.c (setup_incoming_promotions): ... only caller.
2929         Rearrange to avoid double loop.
2931 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2932             Peter Bergner  <bergner@vnet.ibm.com>
2933             Janis Johnson  <janis187@us.ibm.com>
2935         * config/rs6000/dfp.md: New file.
2936         * config/rs6000/rs6000.md: Include dfp.md.
2937         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
2938         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
2939         and TDmode decimal float modes in FP registers.
2940         (num_insns_constant): Likewise.
2941         (rs6000_legitimate_offset_address_p): Likewise.
2942         (rs6000_legitimize_address): Likewise.
2943         (rs6000_legitimize_reload_address): Likewise.
2944         (rs6000_legitimate_address): Likewise.
2945         (rs6000_emit_move): Likewise.
2946         (function_arg_boundary): Likewise.
2947         (function_arg_advance): Likewise.
2948         (rs6000_darwin64_record_arg_recurse): Likewise.
2949         (function_arg): Likewise.
2950         (rs6000_gimplify_va_arg): Likewise.
2951         (rs6000_split_multireg_move): Likewise.
2952         (rs6000_output_function_epilogue): Likewise.
2953         (rs6000_output_function_epilogue): Likewise.
2954         (rs6000_register_move_cost): Likewise.
2955         (rs6000_function_value): Likewise.
2956         (rs6000_libcall_value): Likewise.
2958 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2960         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2962 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2964         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2965         Use $MULTIDIR to choose between the kernel and RTP headers,
2966         and use $WIND_BASE and $WIND_USR to locate them.
2968 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2970         * config/i386/i386.c (override_options): Put initialization of
2971         ix86_tune_mask and ix86_arch_mask to the correct place.
2973 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2974             Michael Meissner  <michael.meissner@amd.com>
2976         PR target/31019
2977         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2978         (ARCHMASK): Define.
2979         (TARGET_CMOVE): Use ARCHMASK.
2980         (TARGET_CMPXCHG): Ditto.
2981         (TARGET_CMPXCHG8B): Ditto.
2982         (TARGET_XADD): Ditto.
2983         (TARGET_BSWAP): Ditto.
2984         * config/i386/i386.c (ix86_tune_mask): New global variable.
2985         (ix86_arch_mask): Ditto.
2986         (override_options): Initialize ix86_tune_mask and
2987         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2988         target_flags.
2990 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2992         PR 30992
2993         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2995 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2997         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2998         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2999         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3000         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3001         hook.
3002         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3003         rs6000_init_dwarf_reg_sizes_extra): New.
3004         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3005         SPE register high parts.
3007 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3009         * Makefile.in: Add install-pdf target as
3010         copied from automake v1.10 rules.
3011         * configure.ac: Add install-pdf to target list.
3012         * configure: Regenerate.
3014 2007-03-01  Paul Brook  <paul@codesourcery.com>
3016         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3017         modes to LDRD for DImode.
3018         (output_move_double): Fixup out of range ldrd/strd.
3019         (vfp_secondary_reload_class): Rename...
3020         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3021         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3022         coproc_secondary_reload_class for CLASS_IWMMXT.
3023         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3024         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3026 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3028         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3029         factor by the estimated number of iterations.
3030         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3031         prefetch latency.
3033         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3034         decode_caches_intel, detect_caches_intel): New functions.
3035         (host_detect_local_cpu): Use detect_caches_amd and
3036         detect_caches_intel.
3038 2007-03-01  Richard Henderson  <rth@redhat.com>
3040         * expr.c (emit_move_complex_push): Export.
3041         (emit_move_complex_parts): Split out from ...
3042         (emit_move_complex): ... here.
3043         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3044         * config/i386/i386.md (movcdi): New.
3046 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3048         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3049         size of mode1 to check for tieable modes in MMX case.
3051 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3053         * Makefile.in (rtlanal.o): Depend on tree.h.
3054         * rtl.h (offset_within_section_p, split_const): Declare.
3055         * rtlanal.c: Include tree.h.
3056         (offset_within_block_p): New function, taken from
3057         mips_offset_within_object_p.
3058         (split_const): New function, taken from mips_split_const.
3059         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3060         Declare.
3061         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3062         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3063         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3064         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3065         (m68k_illegitimate_symbolic_constant_p): New function.
3066         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3067         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3068         symbolic constant that might be outside the symbol's section,
3069         move the symbol first and then add the offset.
3070         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3071         Override.
3072         * config/mips/mips.c (mips_split_const): Delete.
3073         (mips_offset_within_object_p): Delete.
3074         (mips_symbolic_constant_p): Use offset_within_section_p and
3075         split_const instead of mips_offset_within_object_p and
3076         mips_split_const.
3077         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3078         (mips_legitimize_const_move, print_operand_reloc)
3079         (mips_dangerous_for_la25_p): Use split_const instead of
3080         mips_split_const.
3082 2007-02-28  Eric Christopher  <echristo@apple.com>
3084         * Makefile.in (install-include-dir): Don't rm -rf include.
3086 2007-02-28  Richard Guenther  <rguenther@suse.de>
3088         PR middle-end/30364
3089         * fold-const.c (fold_binary): Do not associate expressions
3090         with more than one variable for integer types that do not wrap.
3092 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3094         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3095         Delete, and replace with...
3096         (fold_builtin_call_array): This.  Update callers to use it.
3097         * fold-const.c (fold_build_call_list): Delete, and replace with...
3098         (fold_build_call_array): This.
3099         (fold_build_call_list_initializer): Delete, and replace with...
3100         (fold_build_call_array_initializer): This.
3101         * tree.h: Update declarations to reflect above changes.
3103         * c-typeck.c (build_function_call): Store converted arguments
3104         in a stack-allocated array instead of building a list.
3105         (convert_arguments): Store arguments in the array passed in as an
3106         argument, and return the actual number of arguments.
3107         * c-format.c: (check_function_format): Pass arguments in an
3108         array instead of a list.
3109         * c-common.c (check_function_nonnull): Likewise.
3110         (check_function_sentinel): Likewise.
3111         (check_function_arguments): Likewise.
3112         * c-common.h: Update declarations to reflect above changes.
3114 2007-02-28  Jan Hubicka  <jh@suse.cz>
3116         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3117         PRED_NEGATIVE_RETURN): Update outcomes.
3119 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3121         * calls.c (emit_library_call_value_1): Handle partial registers
3122         correctly when building up CALL_INSN_FUNCTION_USAGE.
3124 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3126         * pa/predicates.md (move_src_operand): Allow zero for mode.
3127         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3128         move pattern.
3130 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3132         PR target/30970
3133         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3134         *movv2df_internal): Enable pattern only for valid operand
3135         combinations.
3136         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3137         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3139 2007-02-27  Mike Stump  <mrs@apple.com>
3141         * config/darwin-crt3.c: Avoid compilation when compiling for a
3142         kext multilib.
3144 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3146         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3147         FIXED_INCLUDE_DIR.
3148         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3149         for fixed headers and limits.h.
3150         (install-include-dir, install-headers-tar, install-headers-cpio,
3151         install-headers-cp, real-install-headers-tar,
3152         real-install-headers-cpio, real-install-headers-cp): Handle
3153         include-fixed as well as include.
3154         (install-mkheaders): Don't install files that go only in include
3155         not include-fixed.
3156         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3157         from GCC_INCLUDE_DIR.
3158         * gcc.c (process_command): Remove special -BstageN/ handling.
3159         (do_spec_1): Add include-fixed directories.
3161 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3163         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3164         _smulsi3_highpart.
3165         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3166         New functions.
3167         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3168         patterns.
3170 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3172         * c-common.c (get_priority): Add check for
3173         SUPPORTS_INIT_PRIORITY.
3175 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3177         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3179         * config/bfin/bfin.c: Include "cfglayout.h".
3180         (MAX_LSETUP_DISTANCE): New macro.
3181         (struct loop_info): New members incoming, incoming_src and
3182         incoming_dest.  Delete member predecessor.
3183         (length_for_loop): New function.
3184         (bfin_optimize_loop): Handle more different loop structures.
3185         (bfin_discover_loop): Rework detection of predecessor blocks by
3186         examining incoming edges.
3187         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3188         bfin_reorg_loops.
3189         (bfin_reorder_loops): New function.
3190         (bfin_reorg_loops): Use these three new functions.
3192         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3193         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3194         (CONSTRAINT_LEN): Add entry for 'q'.
3195         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3196         Add 'q' constraints.
3197         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3198         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3200         * config/bfin/bfin.md (add_with_carry): New pattern.
3201         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3202         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3203         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3204         support unsigned multiplies too.  Removed incorrect commutativity from
3205         operand 1 constraint where appropriate.
3206         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3207         patterns.
3208         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3209         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3210         New patterns.
3211         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3212         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3213         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3214         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3215         usmulhisi_hh_huh): New patterns.
3217         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3218         lshifthi3): Fix output template to use half reg for operand 2.
3220         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3221         instead of R2.
3223         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3225 2007-02-27  Andreas Schwab  <schwab@suse.de>
3227         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3229 2007-02-27  Jan Hubicka  <jh@suse.cz>
3231         * predict.c (last_basic_block_p): Remove.
3232         (tree_estimate_probability): Update return heuristic for commonized
3233         return blocks.
3235 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3237         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3239 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3241         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3242         * doc/cpp.texi: Standardize title page.
3243         * doc/cppinternals.texi: Likewise.
3244         * doc/gcc.texi: Standardize title page, remove version number
3245         from copyright page.
3246         * doc/gccint.texi: Likewise.
3247         * doc/install.texi: Standardize title page, add table of
3248         contents.
3250 2007-02-26  Jan Hubicka  <jh@suse.cz>
3252         * predict.def: Set outcomes according to more recent results.
3253         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3254         Remove dead predictors.
3255         * predict.c (return_prediction): Fix pasto.
3257 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3259         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3260         change; avoid a memory leak when returning early.
3262 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3264         * c-decl.c (static_ctors): Move to c-common.c.
3265         (static_dtors): Likewise.
3266         (finish_function): Use c_record_cdtor_fn.
3267         (build_cdtor): Move to c-common.c.
3268         (c_write_global_declarations): Use c_build_cdtor_fns.
3269         * c-common.h (static_ctors): Declare.
3270         (static_dtors): Likewise.
3271         (c_record_cdtor_fn): Likewise.
3272         (c_build_cdtor_fns): Likewise.
3273         * c-common.c (static_ctors): New variable.
3274         (static_dtors): Likewise.
3275         (c_record_cdtor_fn): New function.
3276         (build_cdtor): Move from c-decl.c
3277         (c_build_cdtor_fns): New function.
3279         * output.h (assemble_addr_to_section): Declare.
3280         (get_cdtor_priority_section): Likewise.
3281         * varasm.c (assemble_addr_to_section): New function.
3282         (get_cdtor_priority_section): Likewise.
3283         (default_named_section_asm_out_destructor): Use them.
3284         (destor_dtor_section_asm_out_destructor): Likewise.
3285         (default_named_section_asm_out_constructor): Likewise.
3286         (default_ctor_section_asm_out_constructor): Likewise.
3287         * config.gcc (*-*-vxworks*): Include vxworks.o.
3288         * config/t-vxworks (vxworks.o): New target.
3289         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3290         (TARGET_ASM_CONSTRUCTOR): Define.
3291         (TARGET_ASM_DESTRUCTOR): Likewise.
3292         (vxworks_asm_out_constructor): Declare.
3293         (vxworks_asm_out_destructor): Likewise.
3295         * c-common.c (get_priority): Check that we have not just an
3296         INTEGER_CST, but an integer constant with integeral type.
3298 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3300         PR tree-optimization/30938
3301         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3302         use &dt[nargs-1] instead of &dt[nargs] in the call to
3303         vect_is_simple_use().
3305 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3307         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3308         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3309         Do not attempt to handle MEM inside auto-inc expressions.
3310         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3311         of a register modified by an auto-inc expression.  However, do handle
3312         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3313         (elimination_effects): Prohibit elimination of a register modified
3314         by an auto-inc expression.  Disable register elimination rules whose
3315         target register is modified by an auto-inc expression with variable
3316         increment.
3318 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3320         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3321         off-by-one error.
3322         (array_at_struct_end_p): New function.
3323         (idx_infer_loop_bounds): Use it.
3324         (estimate_numbers_of_iterations_loop): Export.
3325         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3326         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3327         (tree_estimate_probability): Call record_loop_exits.
3328         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3329         (estimated_loop_iterations, estimated_loop_iterations_int,
3330         estimated_loop_iterations_tree): New functions.
3331         (analyze_siv_subscript_cst_affine,
3332         compute_overlap_steps_for_affine_1_2,
3333         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3334         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3335         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3336         (PRED_LOOP_ITERATIONS_GUESSED): New.
3337         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3338         * cfgloop.h (estimate_numbers_of_iterations_loop,
3339         estimated_loop_iterations_int): Declare.
3341 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3343         * doc/extend.texi: Document optional priority argument to
3344         constructors and destructors.
3345         * tree.c (init_priority_for_decl): Adjust GTY markers.
3346         (init_ttree): Use priority-info hash functions for
3347         init_priority_for_decl.
3348         (tree_map_eq): Rename to ...
3349         (tree_map_base_eq): ... this.
3350         (tree_map_marked_p): Rename to ...
3351         (tree_map_base_marked_p): ... this.
3352         (tree_map_base_hash): New function.
3353         (decl_init_priority_lookup): Rework.
3354         (decl_fini_priority_lookup): New function.
3355         (decl_priority_info): New function.
3356         (decl_init_priority_insert): Use it.
3357         (decl_fini_priority_insert): Likewise.
3358         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3359         hierarchy.
3360         (decl_restrict_base_insert): Likewise.
3361         (decl_debug_expr_insert): Likewise.
3362         (decl_value_expr_lookup): Likewise.
3363         (decl_value_expr_insert): Likewise.
3364         * tree.h (priority_type): New type.
3365         (decl_init_priority_lookup): Use priority_type.
3366         (decl_fini_priority_lookup): New function.
3367         (decl_init_priority_insert): Use priority_type.
3368         (decl_fini_priority_insert): New function.
3369         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3370         (DECL_INIT_PRIORITY): Likewise.
3371         (SET_DECL_INIT_PRIORITY): Add comment.
3372         (DECL_FINI_PRIORITY): New macro.
3373         (SET_DECL_FINI_PRIORITY): Likewise.
3374         (DEFAULT_INIT_PRIORITY): Document.
3375         (MAX_INIT_PRIORITY): Likewise.
3376         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3377         (tree_map_base): New type.
3378         (tree_map_base_eq): New function.
3379         (tree_map_base_hash): Likewise.
3380         (tree_map_base_marked_p): Likewise.
3381         (tree_map): Inherit from tree_map_base.
3382         (tree_map_eq): Make it a macro.
3383         (tree_map_marked_p): Likewise.
3384         (tree_int_map): Inherit from tree_map_base.
3385         (tree_int_map_eq): Make it a macro.
3386         (tree_int_map_hash): Likewise.
3387         (tree_int_map_marked_p): Likewise.
3388         (tree_priority_map): New type.
3389         (tree_priority_map_eq): New macro.
3390         (tree_priority_map_hash): Likewise.
3391         (tree_priority_map_marked_p): Likewise.
3392         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3393         hierarchy.
3394         (emutls_common_1): Likewise.
3395         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3396         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3397         of tree_map hierarchy.
3398         * tree-cfg.c (move_stmt_r): Likewise.
3399         (new_label_mapper): Likewise.
3400         * c-tree.h (c_expand_body): Move to ...
3401         * c-common.h (c_expand_body): ... here.
3402         * c-decl.c (c_expand_body): Move to ...
3403         * c-common.c (c_expand_body): ... here.
3404         (c_common_attribute_table): Allow 1 argument for the constructor
3405         and destructor attributes.
3406         (get_priority): New function.
3407         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3408         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3410 2007-02-24  Jan Hubicka  <jh@suse.cz>
3412         PR middle-end/30509
3413         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3415 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3416             Jan Hubicka  <jh@suse.cz>
3418         PR target/30778
3419         * i386.c (counter_mode): New function.
3420         (expand_set_or_movmem_via_loop): Use it.
3421         (expand_movmem_epilogue): Likewise; fix pasto.
3422         (ix86_expand_movmem): Do emit guard even for constant counts.
3423         (ix86_expand_setmem): Likewise.
3425 2007-02-25  Nick Clifton  <nickc@redhat.com>
3427         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3428         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3430 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3432         PR target/30770
3433         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3434         count argument with 0x10, not with 0x16.
3435         (expand_setmem_epilogue): Ditto.
3437 2007-02-24  Mike Stump  <mrs@apple.com>
3439         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3440         symbols.
3442 2007-02-24  Richard Guenther  <rguenther@suse.de>
3444         PR middle-end/30951
3445         * fold-const.c (fold_binary): Fold x +- CST op x for
3446         EQ_EXPR and NE_EXPR.
3448 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3450         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3452 2007-02-24  Jan Hubicka  <jh@suse.cz>
3454         * cgraphunit.c (decide_is_function_needed): Honor
3455         -fkeep-inline-functions.
3457 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3459         * builtins.c (fold_builtin_modf): New.
3460         (fold_builtin_2): Use it.
3462 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3464         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3465         (determine_max_iter): Take additional LOOP arg; all callers changed.
3466         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3467         one using simplifications.
3468         (simplify_using_initial_values): Return if the expression becomes
3469         invalid due to altered regs.
3471 2007-02-23  DJ Delorie  <dj@redhat.com>
3473         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3475 2007-02-23  Mike Stump  <mrs@apple.com>
3477         * tlink.c (scan_linker_output): Parse linker messages from
3478         darwin9's linker better.
3480 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3482         PR debug/29614
3483         * varpool.c (varpool_assemble_pending_decls):  Set
3484         varpool_last_needed_node to null.
3486 2007-02-23  DJ Delorie  <dj@redhat.com>
3488         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3489         alignment bigger than the object file can handle.
3491 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3493         PR target/30825
3494         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3495         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3496         (*movsf_1): Penalize MMX moves.
3498 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3500         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3501         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3503         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3505 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3507         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3508         (fold_builtin_1): Use them.
3509         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3510         BUILT_IN_SIGNIFICAND.
3512 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3514         * config/i386/i386.c (bdesc_1arg): Initialize
3515         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3516         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3517         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3518         and IX86_BUILTIN_MOVSLDUP.
3520 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3522         PR rtl-optimization/30841
3523         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3525 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3527         * builtins.c (fold_builtin_frexp): New.
3528         (fold_builtin_2): Use it.
3530 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3532         * doc/invoke.texi (Spec Files): Document getenv spec function.
3534         * gcc.c (getenv_spec_function): New function.
3535         (static_spec_functions): Add it.
3536         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3537         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3538         header files.
3540 2007-02-22  Michael Matz  <matz@suse.de
3542         PR c++/29433
3543         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3544         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3546 2007-02-22  Ian Lance Taylor  <iant@google.com>
3548         PR debug/30898
3549         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3550         (mem_loc_descriptor): Call it.
3552 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3553             Ira Rosen  <irar@il.ibm.com>
3555         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3557 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3559         PR tree-optimization/30843
3560         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3561         stores only after all the group is vectorized.
3563 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3565         PR tree-optimization/30858
3566         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3567         in the reduction cycle have a single use in the loop.
3568         * tree-vectorizer.h (relevant): Add documentation.
3570 2007-02-20  Mike Stump  <mrs@apple.com>
3572         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3573         * configure: Regenerate.
3575 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3577         Change the defaults of some parameters and options.
3578         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3579         * config/spu/spu.c (spu_optimization_options): Add.
3580         (spu_override_options): Change params in spu_optimization_options.
3581         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3583         Register 127 is only 16 byte aligned when used as a frame pointer.
3584         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3585         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3586         HARD_FRAME_POINTER_REGNUM.
3587         (spu_legitimate_address):  Use regno_aligned_for_reload.
3588         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3589         aligned when frame_pointer_needed is true.
3590         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3591         to 8 bits.
3592         * config/spu/spu.h (INIT_EXPANDERS): Define.
3594         Make sure shift and rotate instructions have valid immediate operands.
3595         * config/spu/predicates.md (spu_shift_operand): Remove.
3596         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3597         * config/spu/constraints.md (W, O): Extend range.
3598         * config/spu/spu.md (umask, nmask): Define.
3599         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3600         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3601         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3602         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3603         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3604         (lshr<mode>3_reg):  Fix rtl description.
3606         Make sure mulhisi immediate operands are valid.
3607         * config/spu/predicates.md (imm_K_operand): Add.
3608         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3610         Generate constants using fsmbi and andi.
3611         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3612         (print_operand, spu_split_immediate, classify_immediate,
3613         fsmbi_const_p): Handle IC_FSMBI2.
3615         Correctly handle a CONST_VECTOR containing symbols.
3616         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3617         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3618         (immediate_load_p): Allow symbols that use 2 instructions to create.
3619         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3620         with symbols when flag_pic is set.
3621         (const_vector_immediate_p): New.
3622         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3623         accept a CONST_VECTOR with symbols.
3624         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3625         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3626         correctly.
3627         * config/spu/spu.md (high, low): Delete.
3628         (low_<mode>): Define.
3630         Remove INTRmode and INTR_REGNUM, which didn't work.
3631         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3632         of INTR_REGNUM.
3633         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3634         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3635         peephole2 pattern): Don't use INTR or 131.
3636         (movintrcc): Delete.
3637         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3638         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3639         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3640         (UNSPEC_SET_INTR): Add.
3641         * config/spu/spu-modes.def (INTR): Remove.
3643         More accurate warnings about run-time relocations.
3644         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3646         Correctly warn about immediate arguments to specific intrinsics.
3647         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3648         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3649         the instruction predicate.
3651         Fix tree check errors with latest update.
3652         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3653         CALL_EXPR_ARG.
3654         (spu_expand_builtin): Use CALL_EXPR_FN.
3656         Add missing specific intrinsics.
3657         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3658         si_bislede.
3659         * config/spu/spu_internals.h: Ditto.
3661         Fix incorrect operand modifiers.
3662         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3663         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3665         Optimize one case of zero_extend of a vec_select.
3666         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3668         Accept any immediate for hbr.
3669         * config/spu/spu.md (hbr):  Change s constraints to i.
3671 2007-02-21  Paul Brook  <paul@codesourcery.com>
3673         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3674         condexec_count when skipping USE and CLOBBER.
3676 2007-02-21  Nick Clifton  <nickc@redhat.com>
3678         * common.opt (Warray-bounds): Add Warning attribute.
3679         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3680         Likewise.
3681         (fsized-zeroes): Add Optimization attribute.
3682         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3683         * c.opt (Wc++0x-compat): Add Warning attribute.
3685 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3687         PR middle-end/30761
3688         * reload1.c (eliminate_regs_in_insn): In the single_set special
3689         case, attempt to re-recognize the insn before falling back to
3690         having reload fix it up.
3692 2007-02-20  Eric Christopher  <echristo@gmail.com>
3694         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3695         Rewrite accordingly.
3696         (frv_read_iacc_argument): Ditto.
3697         (frv_expand_set_builtin): Take a call instead of arglist, update for
3698         above changes.
3699         (frv_expand_unop_builtin): Ditto.
3700         (frv_expand_binop_builtin): Ditto.
3701         (frv_expand_cut_builtin): Ditto.
3702         (frv_expand_binopimm_builtin): Ditto.
3703         (frv_expand_voidbinop_builtin): Ditto.
3704         (frv_expand_int_void2arg): Ditto.
3705         (frv_expand_prefetches): Ditto.
3706         (frv_expand_voidtriop_builtin): Ditto.
3707         (frv_expand_voidaccop_builtin): Ditto.
3708         (frv_expand_load_builtin): Ditto.
3709         (frv_expand_store_builtin): Ditto.
3710         (frv_expand_mdpackh_builtin): Ditto.
3711         (frv_expand_mclracc_builtin): Ditto.
3712         (frv_expand_mrdacc_builtin): Ditto.
3713         (frv_expand_mwtacc_builtin): Ditto.
3714         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3715         calls for above.
3717 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3719         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3720         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3721         cmpb instruction.
3722         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3723         point instructions.
3724         * configure: Regenerate.
3725         * config.in: Regenerate.
3726         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3727         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3728         masks to power6 and power6x and to POWERPC_MASKS.
3729         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3730         _ARCH_PWR6.
3731         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3732         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3733         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3734         Access PROTOTYPE as variable, not mask.
3736 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3738         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3739         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3740         * combine.c (adjust_for_new_dest): Use it.
3741         * postreload.c (reload_combine): Likewise.
3743 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3745         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3746         notes on an insn with multiple sets, even if single_set returns
3747         non-NULL for that insn.
3749 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3751         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3752         scalbn and scalbln.
3754 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3756         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3757         if user didn't pass it.
3758         * config/i386/darwin.h (CC1_SPEC): Likewise.
3759         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3760         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3761         -mmacosx-version-min.
3763 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3764             Uros Bizjak  <ubizjak@gmail.com>
3766         * optabs.h (enum optab_index): Add new OTI_scalb.
3767         (scalb_optab): Define corresponding macro.
3768         * optabs.c (init_optabs): Initialize scalb_optab.
3769         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3770         patterns.
3771         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3772         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3773         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3774         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3775         flag_unsafe_math_optimizations is set.
3777         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3778         to implement scalbf, scalb and scalbl built-ins as inline x87
3779         intrinsics.
3781 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3782             DJ Delorie <dj@redhat.com>
3784         PR other/30824
3785         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3786         (diagnostic_report_diagnostic): ... here, and turn them into real
3787         errors. If warnings are inhibited, no need to do anything.
3789 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3791         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3792         better code generation.
3794 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3796         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3798 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3800         * config/alpha/alpha.c, config/alpha/alpha.md,
3801         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3802         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3803         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3804         config/arm/lib1funcs.asm: Follow spelling conventions.
3806         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3807         config/fr30/fr30.md, config/i386/i386.h,
3808         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3809         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3810         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3811         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3812         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3813         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3814         config/sparc/sparc.c, config/sparc/sparc.h,
3815         config/sparc/sparc.md, config/spu/constraints.md,
3816         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3817         conventions.
3819 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3821         PR target/29943
3822         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3823         alias attribute.
3825 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3827         * doc/invoke.texi (-ftree-lrs): Remove.
3829 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3831         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3832         NULL.
3834 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
3836         * config/ia64/ia64.c (ia64_expand_builtin): Use the
3837         new CALL_EXPR_FN macro for retrieving the function
3838         declaration of the input expression.
3840 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3842         * c.opt (Waddress): New.
3843         * common.opt (Walways-true): Delete.
3844         (Wstring-literal-comparison): Delete.
3845         * doc/invoke.texi (Warning Options): Delete -Walways-true and
3846         -Wstring-literal-comparison. Add -Waddress.
3847         (Waddress): New.
3848         (Walways-true): Delete.
3849         (Wstring-literal-comparison): Delete.
3850         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
3851         consistently instead of -Walways-true in example.
3852         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
3853         * c-typeck.c (parser_build_binary_op): Replace
3854         -Wstring-literal-comparison and -Walways-true with -Waddress.
3855         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
3856         with -Waddress.
3858 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3860         * tree-cfg.c (dump_function_to_file): Be prepared for functions
3861         without DECL_STRUCT_FUNCTION initialized.
3863 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
3865         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
3866         due to calls to functions taking pointers as parameters.
3868 2007-02-19  Richard Henderson  <rth@redhat.com>
3870         PR debug/29558
3871         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
3872         in memory.
3874 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3876         * config/s390/s390.c (s390_call_saved_register_used,
3877         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
3878         accessed to the new scheme.
3880 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3882         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
3883         (cris_print_index, cris_print_operand, cris_print_operand_address)
3884         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
3885         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
3886         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
3887         GET_CODE () == xxx.
3888         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
3889         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
3890         GO_IF_LEGITIMATE_ADDRESS): Ditto.
3891         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
3892         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
3893         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
3894         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
3895         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
3896         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
3897         (uminsi3, call, call_value): Ditto.
3898         (define_split: indir_to_reg_split, unnamed): Ditto.
3900 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
3902         PR tree-optimization/30975
3903         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
3904         wrong assert.
3906 2007-02-18  Eric Christopher  <echristo@gmail.com>
3908         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
3909         Remove use of arglist.
3910         (mips_expand_builtin): Remove use of arglist, pass in expr.
3911         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
3912         (mips_expand_builtin_movtf): Ditto.
3913         (mips_expand_builtin_compare): Ditto.
3915 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3917         * tree-sra.c (sra_build_assignment): Replace assertion
3918         checking with a comment explaining why it can't be done.
3920 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3922         PR middle-end/30833
3923         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
3924         during CALL_EXPR representation conversion.
3925         * tree-ssa-propagate.c (set_rhs): Likewise.
3927 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
3929         * tree-sra.c (sra_build_assignment): Disable assertion checking
3930         for now.
3932 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3934         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
3935         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3936         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
3937         Likewise.
3938         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
3939         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
3940         gimplify_init_ctor_eval_range, gimple_push_cleanup,
3941         gimplify_omp_for, gimplify_omp_atomic_pipeline,
3942         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
3943         force_gimple_operand): Likewise.
3944         * ipa-cp.c (constant_val_insert): Likewise.
3945         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3946         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
3947         perfect_nestify): Likewise.
3948         * langhooks.c (lhd_omp_assignment): Likewise.
3949         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
3950         lower_copyprivate_clauses, lower_send_clauses,
3951         lower_send_shared_vars, expand_parallel_call,
3952         expand_omp_for_generic, expand_omp_for_static_nochunk,
3953         expand_omp_for_static_chunk, expand_omp_sections,
3954         lower_omp_single_copy, lower_omp_for_lastprivate,
3955         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3956         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3957         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3958         Likewise.
3960 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3962         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3963         config/sh/sh.md: Follow spelling conventions.
3965         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3966         config/frv/predicates.md: Follow spelling conventions.
3968         * config/m68k/linux-unwind.h: Fix a comment typo.
3969         * target.h: Follow spelling conventions.
3971 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3973         PR rtl-optimization/28173
3974         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3975         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3976         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3977         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3978         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3980 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3982         * builtins.c (fold_builtin_load_exponent): New.
3983         (fold_builtin_2): Use it.
3985 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3987         PR rtl-optimization/30773
3988         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3989         if we fail to attach a REG_EQUIV note.
3991 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3992             Roger Sayle  <roger@eyesopen.com>
3994         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3996 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3998         * calls.c (initialize_argument_information): Pass original EXP
3999         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4000         code to split complex arguments here, as part of initializing the
4001         ARGS array.
4002         (expand_call): Remove code that builds a list of arguments and
4003         inserts implicit arguments into it.  Instead, just count how many
4004         implicit arguments there will be so we can determine the size of
4005         the ARGS array, and let initialize_argument_information do the work.
4006         (split_complex_values): Delete unused function.
4008 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4010         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4012 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4014         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4015         for arg pointer based indexed addressing.
4017 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4019         * config/ia64/ia64.h, config/ia64/ia64.md,
4020         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4021         spelling conventions.
4023 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4025         * config/m68k/m68k.c (split_di): New.
4026         * config/m68k/m68k-protos.h: Declare split_di.
4027         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4028           Improve predicate handling and split constant shifts.
4030 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4032         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4033         parameter for register bitfield operations, general predicates
4034         cleanup
4036 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4038         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4039         * config/m68k/linux-unwind.h: New file.
4041 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4043         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4044         config/i386/athlon.md, config/ia64/ia64.md,
4045         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4046         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4047         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4048         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4049         tree-vect-transform.c: Fix comment typos.
4051 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4053         * sched-deps.c (find_insn_list): Remove.
4054         * sched-int.h: Remove the prototype for find_insn_list.
4056 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4058         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4059         to linker.
4060         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4061         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4062         darwin_rs6000_override_options.
4063         (C_COMMON_OVERRIDE_OPTIONS): Expect
4064         darwin_macosx_version_min to be non-NULL always.
4065         (TARGET_C99_FUNCTIONS): Likewise.
4066         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4067         (DARWIN_MINVERSION_SPEC): New.
4068         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4069         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4070         to cc1*.
4071         (DARWIN_MINVERSION_SPEC): New.
4072         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4073         value.
4074         * config/darwin-c.c (darwin_cpp_builtins): Expect
4075         darwin_macosx_version_min to be non-NULL always.
4077         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4079 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4081         * config/i386/i386.h (x86_use_xchgb): New.
4082         (TARGET_USE_XCHGB): New macro.
4083         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4084         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4085         Split after reload into bswaphi for shifts of 8.
4086         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4087         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4088         or when optimizing for size.
4090 2007-02-16  Richard Guenther  <rguenther@suse.de>
4091             Christian Bruel  <christian.bruel@st.com>
4093         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4094         DECLs but prefer SSA_NAMEs over DECLs.
4096 2007-02-16  Richard Guenther  <rguenther@suse.de>
4098         * tree-flow-inline.h (single_imm_use_p): Remove.
4099         (zero_imm_uses_p): Likewise.
4100         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4101         instead of single_imm_use_p.
4102         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4103         zero_imm_uses_p.
4105 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4107         PR other/27843
4108         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4109         nested double- and backquotes.
4111 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4113         PR middle-end/30391
4114         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4115         should be unreachable.
4116         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4117         For the time being redirect GIMPLE_MODIFY_STMT to the new
4118         (renamed) build_gimple_modify_stmt_stat.
4119         (build2_gimple_stat): Rename to...
4120         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4121         Always build a GIMPLE_MODIFY_STMT node.
4122         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4123         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4124         declarations.
4126         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4127         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4128         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4129         expand_complex_div_wide): Likewise.
4130         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4131         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4132         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4133         * tree-ssa-loop-manip.c (create_iv): Likewise.
4134         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4135         abs_replacement): Likewise.
4136         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4137         realify_fake_stores): Likewise.
4139         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4140         node rather than a GIMPLE_MODIFY_STMT node.
4141         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4142         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4143         Likewise.
4144         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4145         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4146         GIMPLE_MODIFY_STMT.
4148 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4150         PR middle-end/30433
4151         * fold-const.c (fold_comparison): Add back the
4152         folding of constant complex comparisions.
4154 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4156         PR middle-end/30729
4157         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4158         effects unknown to this function, return early.
4160 2007-02-15  Ian Lance Taylor  <iant@google.com>
4162         * lower-subreg.c (move_eh_region_note): New static function.
4163         (resolve_simple_move): Call it.
4164         (decompose_multiword_subregs): Track blocks for which we resolve a
4165         simple move which is also a control flow insn.  Pass them to
4166         find_many_sub_basic_blocks.
4167         (pass_lower_subreg): Add TODO_verify_flow.
4168         (pass_lower_subreg2): Likewise.
4170 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4171             Brooks Moses  <brooks.moses@codesourcery.com>
4172             Lee Millward  <lee.millward@codesourcery.com>
4174         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4175         (VL_EXP_CLASS_P): New.
4176         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4177         TREE_CODE_LENGTH.
4178         (TREE_OPERAND_CHECK_CODE): Likewise.
4179         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4180         (TREE_RTL_OPERAND_CHECK): Likewise.
4181         (tree_operand_check_failed): Make second parameter the whole tree
4182         instead of its code.  Fixed callers.
4183         (VL_EXP_CHECK): New.
4184         (TREE_OPERAND_LENGTH): New.
4185         (VL_EXP_OPERAND_LENGTH): New.
4186         (CALL_EXPR_FN): New.
4187         (CALL_EXPR_STATIC_CHAIN): New.
4188         (CALL_EXPR_ARGS): New.
4189         (CALL_EXPR_ARG): New.
4190         (call_expr_nargs): New.
4191         (CALL_EXPR_ARGP): New.
4192         (build_nt_call_list): Declare.
4193         (build_vl_exp_stat): Declare.
4194         (build_vl_exp): New.
4195         (build_call_list): Declare.
4196         (build_call_nary): Declare.
4197         (build_call_valist): Declare.
4198         (build_call_array): Declare.
4199         (call_expr_arg): Declare.
4200         (call_expr_argp): Declare.
4201         (call_expr_arglist): Declare.
4202         (fold_build_call_list): Declare.
4203         (fold_build_call_list_initializer): Declare.
4204         (fold_call_expr): Declare to replace fold_builtin.
4205         (fold_builtin_fputs): Update to agree with modified definition.
4206         (fold_builtin_strcpy): Likewise.
4207         (fold_builtin_strncpy): Likewise.
4208         (fold_builtin_memory_chk): Likewise.
4209         (fold_builtin_stxcpy_chk): Likewise.
4210         (fold_builtin_strncpy_chk): Likewise.
4211         (fold_builtin_next_arg): Likewise.
4212         (fold_build_call_expr): Declare.
4213         (fold_builtin_call_list): Declare.
4214         (fold_builtin_call_valist): Declare.
4215         (build_call_expr): Declare.
4216         (validate_arglist): Update to agree with modified definition.
4217         (tree_operand_length): New.
4218         (call_expr_arg_iterator): New.
4219         (init_call_expr_arg_iterator): New.
4220         (next_call_expr_arg): New.
4221         (first_call_expr_arg): New.
4222         (more_call_expr_args_p): New.
4223         (FOR_EACH_CALL_EXPR_ARG): New.
4225         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4226         and tcc_gimple_stmt.
4227         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4228         than sizeof (char *).
4229         (tree_size): Likewise.  Add case for tcc_vl_exp.
4230         (tree_node_structure): Add case for tcc_vl_exp.
4231         (contains_placeholder_p): Likewise.
4232         (substitute_in_expr): Likewise.
4233         (substitute_placeholder_in_expr): Likewise.
4234         (stabilize_reference_1): Likewise.
4235         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4236         to diagnose breakage of this interface for constructing CALL_EXPRs.
4237         (build_nt): Add similar assertion here.
4238         (build_nt_call_list): New.
4239         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4240         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4241         TREE_CODE_LENGTH.
4242         (get_callee_fndecl): Use new CALL_EXPR accessors.
4243         (tree_operand_check_failed): Change parameters to pass entire node
4244         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4245         (process_call_operands): New.
4246         (build_vl_exp_stat): New.
4247         (build_call_list): New.
4248         (build_call_nary): New.
4249         (build_call_valist): New.
4250         (build_call_array): New.
4251         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4252         (call_expr_arglist): New.
4254         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4255         tcc_vl_exp instead of a fixed-size tcc_expression.
4257         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4258         accessors for CALL_EXPRs.
4259         (AGGR_INIT_EXPR): Likewise.
4261 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4262             Brooks Moses  <brooks.moses@codesourcery.com>
4263             Lee Millward  <lee.millward@codesourcery.com>
4265         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4266         (expand_builtin_nonlocal_goto): Change parameter to be entire
4267         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4268         (expand_builtin_prefetch): Likewise.
4269         (expand_builtin_classify_type): Likewise.
4270         (mathfn_built_in): Return NULL_TREE instead of 0.
4271         (expand_errno_check): Use new CALL_EXPR accessors.
4272         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4273         Return NULL_RTX instead of 0.
4274         (expand_builtin_mathfn_2): Likewise.
4275         (expand_builtin_mathfn_3): Likewise.
4276         (expand_builtin_interclass_mathfn): Likewise.
4277         (expand_builtin_sincos): Likewise.
4278         (expand_builtin_cexpi): Likewise.
4279         (expand_builtin_int_roundingfn): Likewise.
4280         (expand_builtin_int_roundingfn_2): Likewise.
4281         (expand_builtin_pow): Likewise.
4282         (expand_builtin_powi): Likewise.
4283         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4284         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4285         accessors and constructors.  Return NULL_RTX instead of 0.
4286         (expand_builtin_strstr): Likewise.
4287         (expand_builtin_strchr): Likewise.
4288         (expand_builtin_strrchr): Likewise.
4289         (expand_builtin_strpbrk): Likewise.
4290         (expand_builtin_memcpy): Likewise.
4291         (expand_builtin_mempcpy): Likewise.
4292         (expand_builtin_mempcpy_args): New.
4293         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4294         (expand_builtin_memmove_args): New.
4295         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4296         (expand_movstr): Likewise.
4297         (expand_builtin_strcpy): Likewise.
4298         (expand_builtin_strcpy_args): New.
4299         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4300         (expand_builtin_strncpy): Likewise.
4301         (expand_builtin_memset): Likewise.
4302         (expand_builtin_memset_args): New.
4303         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4304         (expand_builtin_memcmp): Likewise.
4305         (expand_builtin_strcmp): Likewise.
4306         (expand_builtin_strncmp): Likewise.
4307         (expand_builtin_strcat): Likewise.
4308         (expand_builtin_strncat): Likewise.
4309         (expand_builtin_strspn): Likewise.
4310         (expand_builtin_strcspn): Likewise.
4311         (expand_builtin_args_info): Likewise.
4312         (expand_builtin_va_start): Likewise.
4313         (gimplify_va_arg_expr): Likewise.
4314         (expand_builtin_va_end): Likewise.
4315         (expand_builtin_va_copy): Likewise.
4316         (expand_builtin_frame_address): Likewise.
4317         (expand_builtin_alloca): Likewise.
4318         (expand_builtin_bswap): Likewise.
4319         (expand_builtin_unop): Likewise.
4320         (expand_builtin_fputs): Likewise.
4321         (expand_builtin_expect): Likewise.
4322         (expand_builtin_fabs): Likewise.
4323         (expand_builtin_copysign): Likewise.
4324         (expand_builtin_printf): Likewise.
4325         (expand_builtin_fprintf): Likewise.
4326         (expand_builtin_sprintf): Likewise.
4327         (expand_builtin_init_trampoline): Likewise.
4328         (expand_builtin_signbit): Likewise.
4329         (expand_builtin_fork_or_exec): Likewise.
4330         (expand_builtin_sync_operation): Likewise.
4331         (expand_builtin_compare_and_swap): Likewise.
4332         (expand_builtin_lock_test_and_set): Likewise.
4333         (expand_builtin_lock_release): Likewise.
4334         (expand_builtin): Likewise.
4335         (builtin_mathfn_code): Likewise.
4337         (fold_builtin_constant_p): Pass call arguments individually instead
4338         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4339         accessors and constructors.  Return NULL_TREE instead of 0.
4340         (fold_builtin_expect): Likewise.
4341         (fold_builtin_classify_type): Likewise.
4342         (fold_builtin_strlen): Likewise.
4343         (fold_builtin_nan): Likewise.
4344         (integer_valued_real_p): Likewise.
4345         (fold_trunc_transparent_mathfn): Likewise.
4346         (fold_fixed_mathfn): Likewise.
4347         (fold_builtin_cabs): Likewise.
4348         (fold_builtin_sqrt): Likewise.
4349         (fold_builtin_cbrt): Likewise.
4350         (fold_builtin_cos): Likewise.
4351         (fold_builtin_cosh): Likewise.
4352         (fold_builtin_tan): Likewise.
4353         (fold_builtin_sincos): Likewise.
4354         (fold_builtin_cexp): Likewise.
4355         (fold_builtin_trunc): Likewise.
4356         (fold_builtin_floor): Likewise.
4357         (fold_builtin_ceil): Likewise.
4358         (fold_builtin_round): Likewise.
4359         (fold_builtin_int_roundingfn): Likewise.
4360         (fold_builtin_bitop): Likewise.
4361         (fold_builtin_bswap): Likewise.
4362         (fold_builtin_logarithm): Likewise.
4363         (fold_builtin_hypot): Likewise.
4364         (fold_builtin_pow): Likewise.
4365         (fold_builtin_powi): Likewise.
4366         (fold_builtin_exponent): Likewise.
4367         (fold_builtin_memset): Likewise.
4368         (fold_builtin_bzero): Likewise.
4369         (fold_builtin_memory_op): Likewise.
4370         (fold_builtin_bcopy): Deleted; call site changed to invoke
4371         fold_builtin_memory_op directly.
4372         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4373         (fold_builtin_strncpy): Likewise.
4374         (fold_builtin_memcmp): Likewise.
4375         (fold_builtin_strcmp): Likewise.
4376         (fold_builtin_strncmp): Likewise.
4377         (fold_builtin_signbit): Likewise.
4378         (fold_builtin_copysign): Likewise.
4379         (fold_builtin_isascii): Likewise.
4380         (fold_builtin_toascii): Likewise.
4381         (fold_builtin_isdigit): Likewise.
4382         (fold_builtin_fabs): Likewise.
4383         (fold_builtin_abs): Likewise.
4384         (fold_builtin_fmin_fmax): Likewise.
4385         (fold_builtin_carg): Likewise.
4386         (fold_builtin_classify): Likewise.
4387         (fold_builtin_unordered_cmp): Likewise.
4389         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4390         New functions split out from fold_builtin_1.
4391         (fold_builtin_n): New.
4392         (fold_builtin_varargs): New.
4393         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4394         instead.
4395         (fold_call_expr): New.
4396         (build_function_call_expr): Rewrite to use new helper function.
4397         (fold_builtin_call_list): New.
4398         (build_call_expr): New.
4399         (fold_builtin_call_valist): New.
4400         (rewrite_call_expr): New.
4401         (validate_arg): New.
4402         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4403         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4404         accessors.
4406         (fold_builtin_strstr):  Pass call arguments individually instead
4407         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4408         accessors and constructors.  Return NULL_TREE instead of 0.
4409         (fold_builtin_strchr): Likewise.
4410         (fold_builtin_strrchr): Likewise.
4411         (fold_builtin_strpbrk): Likewise.
4412         (fold_builtin_strcat): Likewise.
4413         (fold_builtin_strncat): Likewise.
4414         (fold_builtin_strspn): Likewise.
4415         (fold_builtin_strcspn): Likewise.
4416         (fold_builtin_fputs): Likewise.
4417         (fold_builtin_next_arg): Likewise.
4418         (fold_builtin_sprintf): Likewise.
4420         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4421         NULL_RTX instead of 0.
4422         (expand_builtin_memory_chk): Likewise.
4423         (maybe_emit_chk_warning): Likewise.
4424         (maybe_emit_sprintf_chk_warning): Likewise.
4426         (fold_builtin_object_size): Pass call arguments individually instead
4427         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4428         accessors and constructors.  Return NULL_TREE instead of 0.
4429         (fold_builtin_memory_chk): Likewise.
4430         (fold_builtin_stxcpy_chk): Likewise.
4431         (fold_builtin_strncpy_chk): Likewise.
4432         (fold_builtin_strcat_chk): Likewise.
4433         (fold_builtin_strcat_chk): Likewise.
4434         (fold_builtin_strncat_chk): Likewise.
4435         (fold_builtin_sprintf_chk): Likewise.
4436         (fold_builtin_snprintf_chk): Likewise.
4437         (fold_builtin_printf): Likewise.
4438         (fold_builtin_vprintf): Likewise.
4440         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4441         constructors.
4442         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4443         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4444         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4445         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4446         (fold_unary): Likewise.
4447         (fold_binary): Likewise.
4448         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4449         ternary expressions.
4450         (fold): Add logic for tcc_vl_exp.
4451         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4452         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4453         (fold_build3_stat): Add assertion to flag broken interface for
4454         constructing CALL_EXPRs.
4455         (fold_build_call_list): New.
4456         (fold_build_call_list_initializer): New.
4457         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4458         constructors.
4459         (fold_strip_sign_ops): Likewise.
4461 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4462             Brooks Moses  <brooks.moses@codesourcery.com>
4463             Lee Millward  <lee.millward@codesourcery.com>
4465         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4466         accessors and dump arguments explicitly.
4468         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4469         TREE_CODE_LENGTH.
4470         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4471         explicitly.
4472         (print_call_name): Use new CALL_EXPR accessors.
4474         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4475         CALL_EXPR arguments explicitly instead of as a list.  Use
4476         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4478         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4479         (vrp_visit_stmt): Likewise.
4481         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4482         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4483         TREE_CODE_LENGTH.
4484         (force_move_till_expr): Likewise.
4486         * targhooks.c (default_external_stack_protect_fail): Use
4487         build_call_expr instead of build_function_call_expr.
4488         (default_hidden_stack_protect_fail): Likewise.
4490         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4491         build the call.
4493         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4494         and walk arguments explicitly.
4496         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4497         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4498         (expand_simple_operations): Likewise.
4499         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4501         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4502         of TREE_CODE_LENGTH.
4503         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4505         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4506         instead of TREE_CODE_LENGTH.
4508         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4509         (tree_ic_transform): Likewise.
4510         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4511         parameter instead of arglist.  Fix callers.
4512         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4513         (tree_stringops_transform): Likewise.
4514         (tree_indirect_call_to_profile): Likewise.
4515         (tree_stringops_values_to_profile): Likewise.
4517         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4518         (eliminate_tail_call): Likewise.
4520         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4522         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4523         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4524         operands.
4525         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4527         * omp-low.c (build_omp_barrier): Use build_call_expr.
4528         (lower_rec_input_clauses): Likewise.
4529         (lower_reduction_clauses): Likewise.
4530         (expand_parallel_call): Likewise.
4531         (maybe_catch_exception): Likewise.
4532         (expand_omp_for_generic): Likewise.
4533         (expand_omp_for_static_nochunk): Likewise.
4534         (expand_omp_sections): Likewise.
4535         (lower_omp_single_simple): Likewise.
4536         (lower_omp_single_copy): Likewise.
4537         (lower_omp_master): Likewise.
4538         (lower_omp_ordered): Likewise.
4539         (lower_omp_critical): Likewise.
4541         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4542         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4544         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4545         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4546         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4548         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4549         and generalize to handle any number of operands.
4550         (chrec_contains_undetermined): Likewise.
4551         (tree_contains_chrecs): Likewise.
4552         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4554         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4556         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4557         fold_call_expr instead of fold_builtin.
4558         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4559         match declarations there.
4560         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4561         updates.
4563         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4564         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4566         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4567         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4569         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4570         accessors.
4572         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4573         (execute_cse_sincos): Use new CALL_EXPR accessors.
4575         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4577         * gimple-low.c (lower_function_body): Use build_call_expr.
4578         (lower_builtin_setjmp): Likewise.
4580         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4581         (set_storage_via_libcall): Likewise.
4582         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4583         instead of TREE_CODE_LENGTH.
4584         (expand_expr_real_1): Use new CALL_EXPR accessors.
4586         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4587         generalize to handle any number of operands.
4588         (TB_parent_eq): Likewise.
4590         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4591         (strip_builtin_expect): Likewise.
4593         * function.c (gimplify_parameters): Use build_call_expr.
4595         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4596         instead of TREE_CODE_LENGTH.
4598         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4599         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4601         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4602         iterators.
4604         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4605         (gimplify_decl_expr): Likewise.
4606         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4607         Use new CALL_EXPR iterators.
4608         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4609         (gimplify_modify_expr_to_memset): Likewise.
4610         (gimplify_variable_sized_compare): Likewise.
4611         (gimplify_omp_atomic_fetch_op): Likewise.
4612         (gimplify_omp_atomic_pipeline): Likewise.
4613         (gimplify_omp_atomic_mutex): Likewise.
4614         (gimplify_function_tree): Likewise.
4616         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4617         (call_expr_flags): Likewise.
4618         (expand_call): Likewise.
4620         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4621         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4622         accessors.
4624         * coverage.c (create_coverage): Use build_call_expr.
4626         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4627         (temp_call_expr_obstack): New.
4628         (pool_copy_list): Delete.
4629         (temp_copy_call_expr): New.
4630         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4631         CALL_EXPR accessors.  Get rid of special goo for copying argument
4632         lists and use temp_copy_call_expr instead.
4633         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4634         CALL_EXPR accessors.
4635         (create_expression_by_pieces): Likewise.  Use build_call_array
4636         to construct the result instead of fold_build3.
4637         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4638         dealing with argument lists.
4639         (init_pre): Remove references to expression_node_pool and
4640         list_node_pool.  Init temp_call_expr_obstack instead.
4641         (fini_pre): Remove references to expression_node_pool and
4642         list_node_pool.
4644         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4645         and walk arguments explicitly instead of as a list.
4647         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4648         (mx_register_decls): Likewise.
4649         (mudflap_register_call): Likewise.
4650         (mudflap_finish_file): Likewise.
4652         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4653         (ipa_callsite_compute_param): Likewise.
4655         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4656         accessors and constructor.
4658         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4659         accessors and constructor.
4660         (convert_tramp_reference): Likewise.
4661         (convert_call_expr): Likewise.
4662         (finalize_nesting_tree_1): Likewise.
4664         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4665         accessors.
4667         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4669         * tree-inline.c (initialize_inlined_parameters): Pass entire
4670         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4671         accessors.
4672         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4673         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4675         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4676         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4677         (vectorizable_reduction): Likewise.
4678         (vectorizable_call): Use new CALL_EXPR iterators.
4679         (vectorizable_conversion): Use build_call_expr.
4680         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4681         (vect_gen_widened_results_half): Use build_call_expr.
4682         (vect_setup_realignment): Likewise.
4683         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4685         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4686         (pass_through_call): Likewise.
4687         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4688         fold_builtin.
4690         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4691         (tree_gen_pow2_profiler): Likewise.
4692         (tree_gen_one_value_profiler): Likewise.
4693         (tree_gen_ic_func_profiler): Likewise.
4694         (tree_gen_average_profiler): Likewise.
4695         (tree_gen_ior_profiler): Likewise.
4697         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4698         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4699         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4701         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4702         of TREE_CODE_LENGTH.
4704         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4705         of TREE_CODE_LENGTH.
4707         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4708         constructor.
4709         (convert_to_integer): Likewise.
4711         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4712         accessors.
4714 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4715             Brooks Moses  <brooks.moses@codesourcery.com>
4716             Lee Millward  <lee.millward@codesourcery.com>
4718         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4719         accessors.
4720         * config/frv/frv.c (frv_expand_builtin): Likewise.
4721         * config/s390/s390.c (s390_expand_builtin): Likewise.
4723         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4724         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4726         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4727         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4728         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4729         (ix86_expand_store_builtin): Likewise.
4730         (ix86_expand_unop_builtin): Likewise.
4731         (ix86_expand_unop1_builtin): Likewise.
4732         (ix86_expand_sse_compare): Likewise.
4733         (ix86_expand_sse_comi): Likewise.
4734         (ix86_expand_vec_init_builtin): Likewise.
4735         (ix86_expand_vec_ext_builtin): Likewise.
4736         (ix86_expand_vec_set_builtin): Likewise.
4737         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4739         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4740         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4742         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4743         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4744         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4746         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4747         build_call_expr.
4748         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4749         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4750         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4751         (altivec_expand_abs_builtin): Likewise.
4752         (rs6000_expand_binop_builtin): Likewise.
4753         (altivec_expand_predicate_builtin): Likewise.
4754         (altivec_expand_lv_builtin): Likewise.
4755         (spe_expand_stv_builtin): Likewise.
4756         (altivec_expand_stv_builtin): Likewise.
4757         (rs6000_expand_ternop_builtin): Likewise.
4758         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4759         (altivec_expand_st_builtin): Likewise.
4760         (altivec_expand_dst_builtin): Likewise.
4761         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4762         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4763         (altivec_expand_vec_set_builtin): Likewise.
4764         (altivec_expand_vec_ext_builtin): Likewise.
4765         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4766         (spe_expand_builtin): Likewise.
4767         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4768         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4769         (spe_expand_evsel_builtin): Likewise.
4770         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4771         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4773         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4774         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4775         (arm_expand_unop_builtin): Likewise.
4776         (arm_expand_builtin): Use new CALL_EXPR accessors.
4778         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4779         accessors.
4781         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4782         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4783         (bfin_expand_unop_builtin): Likewise.
4784         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4786 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4787             Brooks Moses  <brooks.moses@codesourcery.com>
4788             Lee Millward  <lee.millward@codesourcery.com>
4790         * c-semantics.c (build_stmt): Add internal diagnostic check.
4792         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4793         accessors.  Print arguments explicitly instead of as a list.
4795         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4797         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4798         (c_finish_omp_flish): Likewise.
4800         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4801         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4802         instead of TREE_CODE_LENGTH.
4803         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4804         (c_warn_unused_result): Likewise.
4806 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4808         PR c/26494
4809         * doc/invoke.texi (Warning Options): Remove
4810         -Werror-implicit-function-declaration.
4811         (Wimplicit-function-declaration): Update description.
4812         * opts.c (common_handle_option): Move handling of -Werror=* to...
4813         (enable_warning_as_error): ...here.
4814         * opts.h (enable_warning_as_error): Declare.
4815         * c-decl.c (implicit_decl_warning): Unless
4816         -Wno-implicit-function-declaration is given, emit a pedwarn if
4817         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4818         * c.opt (Wimplicit-function-declaration): Replace
4819         mesg_implicit_function_declaration with
4820         warn_implicit_function_declaration.
4821         * c-opts.c (c_common_handle_option):
4822         -Werror-implicit-function-declaration is exactly equal as
4823         -Werror=implicit-function-declaration.
4824         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4825         warn_implicit_function_declaration.
4826         (c_common_post_options): -Wimplict-function-declaration is enabled
4827         by default by -std=c99, otherwise is disabled by default.
4828         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4830 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4832         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4833         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4834         former is ignored but not the latter.
4836 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4838         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
4839         is made and the reference doesn't use the alias set of its type,
4840         do not create the temporary using that type.
4842 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
4844         * jump.c: Remove prototypes for delete_computation and
4845         delete_prior_computation.
4847 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4849         * jump.c (get_label_after): Delete.
4850         (get_label_before, delete_computation, delete_jump,
4851         delete_prior_computation, follow_jumps): Move...
4852         * reorg.c (delete_computation, delete_prior_computation): ... here...
4853         (get_label_before, delete_jump): ... making these static ...
4854         (follow_jumps): ... and simplifying this since it only runs after
4855         reload.
4856         * rtl.h (get_label_after, get_label_before, delete_jump,
4857         follow_jumps): Delete prototypes.
4859 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
4861         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
4863 2007-02-15  Nick Clifton  <nickc@redhat.com>
4865         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
4866         order to prevent it from being munged by the target.
4868 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
4870         * config/i386/i386.md: Remove misleading comment.
4872 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4874         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
4875         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
4876         invalid patterns.
4878 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4880         * tree-sra.c (instantiate_missing_elements): Canonicalize
4881         bit-field types.
4882         (sra_build_assignment): New.
4883         (generate_copy_inout, generate_element_copy,
4884         generate_element_zero, generate_one_element_init): Use it.
4886 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4888         * tree-sra.c (instantiate_missing_elements): Canonicalize
4889         bit-field types.
4890         (sra_build_assignment): New.
4891         (generate_copy_inout, generate_element_copy,
4892         generate_element_zero, generate_one_element_init): Use it.
4894 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
4896         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
4897         limbo die nodes.
4899 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
4901         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
4902         types as aggregates not scalars.
4903         * function.c (assign_stack_temp_for_type): Likewise.
4905 2007-02-14  Roger Sayle  <roger@eyesopen.com>
4906             Zdenek Dvorak  <dvorakz@suse.cz>
4908         * tree-dump.c (dump_switch_p_1): Require exact match of the option
4909         name.
4911 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
4913         * passes.c (next_pass_1): Clear the next field of the copied
4914         pass structure.
4916 2007-02-14  Richard Henderson  <rth@redhat.com>
4918         * tree-sra.c (early_sra): New.
4919         (decl_can_be_decomposed_p): Deny va_list if early_sra.
4920         (tree_sra_early, pass_sra_early): New.
4921         * tree-pass.h (pass_sra_early): Declare.
4922         * passes.c (init_optimization_passes): Use it.
4924 2007-02-14  Richard Guenther  <rguenther@suse.de>
4926         * flags.h (issue_strict_overflow_warning): Convert to a macro.
4928 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
4930          PR tree-optimization/30771
4931         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
4932         also phi nodes.
4933         (vect_analyze_operations): Induction phis can now be marked as
4934         used_in_loop.
4935         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
4936         Update documentation accordingly.
4938 2007-02-14  Nick Clifton  <nickc@redhat.com>
4940         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
4941         most 3 arguments are supported.
4942         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
4944 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
4946         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
4947         Ensure dst->current is valid.
4949 2007-02-13  Paul Brook  <paul@codesourcery.com>
4951         * config.gcc: Add arm*-*-uclinux-*eabi.
4952         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4953         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4954         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4955         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4956         (LINK_SPEC): Define.
4957         (LIB_SPEC): Define.
4958         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4959         register.
4960         * config/arm/uclinux-eabi.h: New file.
4961         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4962         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4963         based targets.
4965 2007-02-13  Ian Lance Taylor  <iant@google.com>
4967         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4968         * flags.h (warn_strict_overflow): Declare.
4969         (enum warn_strict_overflow_code): Define.
4970         (issue_strict_overflow_warning): New static inline function.
4971         * opts.c (warn_strict_overflow): New variable.
4972         (common_handle_option): Handle OPT_Wstrict_overflow and
4973         OPT_Wstrict_overflow_.
4974         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4975         OPT_Wall.
4976         * fold-const.c: Include intl.h.
4977         (fold_deferring_overflow_warnings): New static variable.
4978         (fold_deferred_overflow_warning): New static variable.
4979         (fold_deferred_overflow_code): New static variable.
4980         (fold_defer_overflow_warnings): New function.
4981         (fold_undefer_overflow_warnings): New function.
4982         (fold_undefer_and_ignore_overflow_warnings): New function.
4983         (fold_deferring_overflow_warnings_p): New function.
4984         (fold_overflow_warning): New static function.
4985         (make_range): Add strict_overflow_p parameter.  Change all
4986         callers.
4987         (extract_muldiv, extract_muldiv_1): Likewise.
4988         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4989         tree_expr_nonnegative_p.
4990         (fold_negate_expr): Call fold_overflow_warning.
4991         (fold_range_test): Likewise.
4992         (fold_comparison): Likewise.
4993         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4994         instead of tree_expr_nonnegative_p.
4995         (tree_expr_nonnegative_warnv_p): Rename from
4996         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4997         (tree_expr_nonnegative_p): New function.
4998         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4999         strict_overflow_p parameter.
5000         (tree_expr_nonzero_p): New function.
5001         * passes.c (verify_interpass_invariants): New static function.
5002         (execute_one_pass): Call it.
5003         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5004         warnings.
5005         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5006         (estimate_numbers_of_iterations): Likewise.
5007         (scev_probably_wraps_p): Likewise.
5008         * tree-ssa-ccp.c: Include "toplev.h".
5009         (evaluate_stmt): Defer fold overflow warnings until we know we are
5010         going to optimize.
5011         (struct fold_stmt_r_data): Add stmt field.
5012         (fold_stmt_r): Defer fold overflow warnings until we know we
5013         optimized.
5014         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5015         (fold_stmt_inplace): Likewise.
5016         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5017         (cleanup_control_expr_graph): Defer fold overflow warnings until
5018         we know we are going to optimize.
5019         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5020         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5021         Likewise.
5022         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5023         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5024         * tree-ssa-loop-manip.c (create_iv): Likewise.
5025         * c-typeck.c (build_conditional_expr): Likewise.
5026         (build_binary_op): Likewise.
5027         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5028         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5029         (extract_range_from_unary_expr): Likewise.
5030         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5031         assuming that signed overflow does not occur.
5032         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5033         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5034         (fold_defer_overflow_warnings): Declare.
5035         (fold_undefer_overflow_warnings): Declare.
5036         (fold_undefer_and_ignore_overflow_warnings): Declare.
5037         (fold_deferring_overflow_warnings_p): Declare.
5038         (tree_expr_nonzero_warnv_p): Declare.
5039         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5040         of warning options.
5041         (Warning Options): Document -Wstrict-overflow.
5042         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5043         (tree-ssa-ccp.o): Likewise.
5044         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5045         (fold-const.o): Depend on intl.h.
5047 2007-02-13  Ian Lance Taylor  <iant@google.com>
5049         PR middle-end/30751
5050         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5051         addresses.
5053 2007-02-13  Stuart Hastings  <stuart@apple.com>
5055         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5057 2007-02-13  Richard Henderson  <rth@redhat.com>
5059         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5060         handled_component_p before looking for the indirect_ref.
5062 2007-02-13  Richard Henderson  <rth@redhat.com>
5064         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5065         remove flags clobber.
5066         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5067         (bswaphi_lowpart): New.
5068         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5069         remove TARGET_BSWAP test.  Delete expander of the same name.
5071         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5072         (expand_unop): Use them.
5074 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5076         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5077         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5078         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5079         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5080         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5081         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5082         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5083         assembler dialect choice from asm templates.
5085 2007-02-12  Richard Henderson  <rth@redhat.com>
5087         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5088         (fixuns_trunc<SSEMODEF>si2): Use it.
5089         * config/i386/sse.md (vec_setv4sf_0): Export.
5090         * config/i386/i386.c (ix86_build_const_vector): Export.
5091         (ix86_split_convert_uns_si_sse): Rename from
5092         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5093         * config/i386/i386-protos.h: Update.
5095 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5097         PR c/29521
5098         * c-typeck.c (c_finish_return): Improve warning message.
5100 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5102         * alias.c (find_symbolic_term): Delete unused function.
5104 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5106         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5107         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5108         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5110 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5112         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5113         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5114         the function, temporarily point the debug interface to the null one.
5116 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5118         * dwarf2out.c (round_up_to_align): New static function.
5119         (field_byte_offset): Use it to round the offset.
5121 2007-02-12  Richard Henderson  <rth@redhat.com>
5123         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5124         (inswl_const): Export.
5126 2007-02-12  Richard Henderson  <rth@redhat.com>
5128         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5129         result mode of the libcall, convert back to outmode.
5131 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5133         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5134         (bswapdi2): New define_expand to implement 32-bit implementation.
5136 2007-02-12  Nick Clifton  <nickc@redhat.com>
5138         * doc/invoke.texi (Overall Options): Document --help=.
5139         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5140         (cc1_options): Pass --help= on to cc1.
5141         (display_help): Add description of --help=.
5142         (process_command): Add code to handle --help=.  Allow translated
5143         --help and --target-help switches to be passed on to compiler
5144         sub-process.
5145         (main): Remove unused if statement.
5146         * opts.c (columns): Remove.
5147         (LEFT_COLUMN): Define.
5148         (wrap_help): Add columns argument.
5149         (print_filtered_help): Change parameters to be an include bitmask,
5150         an exclude bitmask, an any bitmask and the column width.  Move the
5151         code to display the params list here.  Add code to display the
5152         status of options rather than their descriptions if the quiet flag
5153         is not active.
5154         (print_specific_help): Change parameters to be an include bitmask,
5155         an exclude bitmask and an any bitmask.  Move code to look up the
5156         column width here.  Decide upon the title for an options listing.
5157         (common_handle_options): Add code to handle --help=.  Adapt code
5158         for --help and --target-help to use the revised form of the
5159         print_specific_help function.
5160         (print_help): Delete.
5161         (print_param_help): Delete.
5162         (print_switch): Delete.
5163         * opts.h (cl_lang_count): Add prototype.
5164         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5165         CL_MAX_OPTION_CLASS): New defines.
5166         * optc-gen.awk: Add construction of cl_lang_count.
5167         * c.opt: Add Warning attribute to warning options and Optimization
5168         attribute to optimization options.
5169         * common.opt: Likewise.
5170         Add --help=.
5171         Add -fhelp and -ftarget-help as aliases for the transformed --help
5172         and --target-help options.
5173         * opt-functions.awk: Add code to handle Warning and Optimization
5174         attributes.
5176 2007-02-12  Richard Henderson  <rth@redhat.com>
5178         * config/alpha/constraints.md: New file.
5179         * config/alpha/alpha.c: Include tm-constrs.h.
5180         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5181         alpha_extra_constraint): Remove.
5182         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5183         * config/alpha/alpha-protos.h: Update.
5184         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5185         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5186         (EXTRA_CONSTRAINT): Remove.
5187         * config/alpha/alpha.md: Include constraints.md.
5188         (adddi splitter): Use satisfies_constraint_*.
5189         * config/alpha/predicates.md (add_operand): Likewise.
5190         (sext_add_operand, addition_operation): Likewise.
5192 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5194         PR tree-optimization/29145
5195         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5196         in our handling of restrict qualified pointers.
5198 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5200         PR middle-end/7651
5201         * doc/invoke.texi (Wunused-value): Update description.
5202         (Wextra): Delete item.
5203         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5204         value of Wunused-value.
5205         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5206         (c_finish_stmt_expr): Don't check extra_warnings.
5207         (emit_side_effect_warnings): The caller is responsible to check
5208         warn_unused_value.
5210 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5211             Matt Thomas  <matt@3am-software.com>
5213         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5215 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5217         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5218         comparisons of POPCOUNT against zero.
5219         (simplify_const_relational_operation): Likewise.
5221 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5223         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5225 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5227         * dwarf2out.c (root_type): Delete unused function.
5229 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5231         * genattrtab.c (contained_in_p): Delete unused function.
5232         (write_expr_attr_cache): Likewise.
5234 2007-02-11  Jan Hubicka  <jh@suse.cz>
5236         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5237         previous patch.
5239 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5241         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5242         to add the REG_EQ* note.
5243         * see.c (see_merge_one_use_extension): Likewise.
5244         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5245         turn REG_EQUAL notes into REG_EQUIV notes if the target
5246         register may have more than one set.
5247         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5248         * gcse.c (try_replace_reg): Likewise.
5249         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5250         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5251         more than one REG_EQUIV note.
5252         * reload1.c (gen_reload): Use set_unique_reg_note.
5254 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5256         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5257         (ix86_builtin_conversion): New function.
5259 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5261         PR target/29487
5262         * tree.h (DECL_REPLACEABLE_P): New macro.
5263         * except.c (set_nothrow_function_flags): Likewise.
5265 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5266             Ira Rosen  <irar@il.ibm.com>
5267             Dorit Nuzman  <dorit@il.ibm.com>
5269         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5270         * targhooks.c (default_builtin_vectorized_conversion): New.
5271         * targhooks.h (default_builtin_vectorized_function): New declaration.
5272         * target.h (struct vectorize): Add builtin_conversion field.
5273         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5274         stmt_vec_info_type value.
5275         (vectorizable_conversion): New declaration.
5276         * tree-vect-analyze.c (vect_analyze_operations): Add
5277         vectorizable_conversion call.
5278         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5279         * tree-vect-transform.c (vectorizable_conversion): New function.
5280         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5281         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5282         mode.
5283         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5284         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5285         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5286         or ALTIVEC_BUILTIN_VCFSX.
5288 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5290         PR target/30634
5291         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5292         CONST_DOUBLE and operand 0 is a hard register.
5293         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5294         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5295         is a hard floating-point register.
5297 2007-02-10  Richard Henderson  <rth@redhat.com>
5298             Jakub Jelinek  <jakub@redhat.com>
5299             Alexandre Oliva  <aoliva@redhat.com>
5301         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5302         * builtin-types.def (BT_WORD): Make unsigned.
5303         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5304         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5305         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5306         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5307         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5308         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5309         emulated tls.
5310         * expr.c (emutls_var_address): New.
5311         (expand_expr_real_1): Expand emulated tls.
5312         (expand_expr_addr_expr_1): Likewise.
5313         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5314         * output.h (emutls_finish): Declare.
5315         * toplev.c (compile_file): Call it.
5316         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5317         address before wrapping in CONST.
5318         * varasm.c (emutls_htab, emutls_object_type): New.
5319         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5320         (get_emutls_object_name, get_emutls_object_type): New.
5321         (get_emutls_init_templ_addr, emutls_decl): New.
5322         (emutls_common_1, emutls_finish): New.
5323         (assemble_variable): When emulating tls, swap decls; generate
5324         constructor for the emutls objects.
5325         (do_assemble_alias): When emulating tls, swap decl and target name.
5326         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5327         for emulated tls.
5328         * varpool.c (decide_is_variable_needed): Look at force_output.
5329         Recurse for emulated tls.
5330         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5331         with decide_is_variable_needed.
5332         * emutls.c: New file.
5333         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5334         tls_object for real tls.
5336 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5338         PR rtl-optimization/29599
5339         * reload1.c (eliminate_regs_in_insn): Take the destination
5340         mode into account when computing the offset.
5342 2007-02-09  Stuart Hastings  <stuart@apple.com>
5343             Richard Henderson  <rth@redhat.com>
5345         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5346         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5347         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5348         fixuns_truncdfhi2): New.
5349         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5350         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5351         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5352         (floatunssidf2): Allow nonimmediate source.
5353         * gcc/config/i386/sse.md (movdi_to_sse): New.
5354         (vec_concatv2di): Drop '*'.
5355         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5356         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5357         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5358         New.
5359         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5360         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5361         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5362         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5363         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5364         ix86_build_const_vector.
5365         (x86_emit_floatuns): Rewrite.
5367 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5369         * genautomata.c (longest_path_length): Delete unused function.
5370         (struct state): Delete unused longest_path_length.
5371         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5372         (get_free_state): Delete unused.
5374 2007-02-09  Jan Hubicka  <jh@suse.cz>
5376         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5377         * doc/invoke.texi (inline-unit-growth): Update default value.
5379         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5380         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5381         (rebuild_cgraph_edges): Likewise.
5382         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5383         (dump_cgraph_node): Dump frequencies.
5384         (cgraph_clone_edge): Add frequency scales.
5385         (cgraph_clone_node): Add freuqnecy.
5386         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5387         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5388         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5389         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5390         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5391         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5392         (save_inline_function_body): Likewise.
5393         * ipa-inline.c: inluce rtl.h
5394         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5395         (cgraph_edge_badness): Use frequencies.
5396         (cgraph_decide_recursive_inlining): Update clonning.
5397         (cgraph_decide_inlining_of_small_function): Dump frequency.
5398         * predict.c (estimate_bb_frequencies): Export.
5399         * predict.h (estimate_bb_frequencies): Declare.
5400         * tree-inline.c (copy_bb): Watch overflows.
5401         (expand_call_inline): Update call of cgraph_create_edge.
5402         (optimize_inline_calls): Use TODO flags to update frequnecies.
5403         * passes.h: Include predict.h
5404         (init_optimization_passes): Move profile ahead.
5405         (execute_function_todo): Handle TODO_rebuild_frequencies.
5407 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5409         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5410         the insbl or inswl pattern into a register.
5412 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5414         * config/ia64/ia64.md (bswapdi2): New define_insn.
5416 2007-02-09  Richard Henderson  <rth@redhat.com>
5418         * config/i386/constraints.md (Ym): New constraint.
5419         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5420         (movdi_1_rex64): Split sse and xmm general register moves from
5421         memory move alternatives.  Use conditional register constraints.
5422         (movsf_1, movdf_integer): Likewise.
5423         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5424         (movdf_integer_rex64): New.
5425         (pushsf_rex64): Fix output constraints.
5426         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5427         (sse2_stored): Likewise.
5428         (sse2_storeq_rex64): New.
5429         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5430         amd and not generic.
5431         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5432         for optimize_size.  Remove SF/DFmode hack.
5434 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5436         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5437         (bit_SSE4a): New.
5439 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5440             Richard Sandiford  <richard@codesourcery.com>
5442         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5443         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5444         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5445         m68k/t-mlib to tmake_file.
5446         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5447         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5448         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5449         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5450         variable is not empty, add t-$m68k_arch_family to tmake_file.
5451         Add t-mlibs to tmake_file.
5452         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5453         * config/m68k/t-cf: New file.
5454         * config/m68k/t-m68k: Likewise.
5455         * config/m68k/t-mlibs: Likewise.
5456         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5457         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5458         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5459         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5460         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5461         Delete.
5462         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5463         (INSTALL_LIBGCC): Delete.
5464         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5465         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5466         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5467         (M68K_MLIB_CPU): Define.
5468         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5469         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5470         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5472 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5473             Richard Guenther  <rguenther@suse.de>
5475         PR middle-end/23361
5476         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5477         against INT_MIN/INT_MAX.
5478         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5479         file if a loop is removed.
5481 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5483         * calls.c (store_one_arg): Pass correct alignment to
5484         emit_push_insn for non-BLKmode values.
5485         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5486         unaligned stack slot via a suitably aligned slot.
5488 2007-02-08  DJ Delorie  <dj@redhat.com>
5490         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5491         warnings.
5492         (legal_subregs): Use unsigned char, make const.
5493         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5495 2007-02-08  Paul Brook  <paul@codesourcery.com>
5497         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5498         special interworking needed.
5500 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5502         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5503         conditional to __SSE2__.
5504         (Entries below should have been added to first ChangeLog
5505         entry for amdfam10 dated 2007-02-05)
5506         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5507         defined.
5508         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5509         defined.
5510         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5511         defined.
5513 2007-02-08  DJ Delorie  <dj@redhat.com>
5515         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5516         * config/m32c/m32c.c (legal_subregs): New.
5517         (m32c_illegal_subreg_p): New.
5518         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5519         unsupported subregs of hard regs.
5521 2007-02-08  Jan Hubicka  <jh@suse.cz>
5523         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5524         the same one; always update histograms.
5526 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5528         * passes.c (init_optimization_passes): Tidy comment.
5530 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5532         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5533         strip zero_extend, bswap and rotates from POCOUNT's argument.
5534         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5535         zero_extend and rotates from PARITY's argument.
5536         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5537         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5538         of an integer constant at compile-time.
5540 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5542         PR 30562
5543         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5544         Update all users.
5545         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5546         users.
5547         (init_alias_info):
5548         * tree-ssa-live.c (remove_unused_locals): Do not remove
5549         TREE_ADDRESSABLE variables.
5550         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5551         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5552         FOR_CLOBBER.  Update all users.
5553         If VAR has an associated alias set, add a virtual operand for
5554         it if no alias is found to conflict with the memory reference.
5556 2007-02-07  Jan Hubicka  <jh@suse.cz>
5557             Robert Kidd <rkidd@crhc.uiuc.edu>
5559         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5561 2007-02-07  Ian Lance Taylor  <iant@google.com>
5563         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5565 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5567         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5568         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5569         tablejumpdi, movsi_to_cr_one): Remove constraints from
5570         define_expand's match_operands.
5572 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5574         * global.c (compute_regsets): Move declatation of "i" inside of
5575         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5577 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5579         PR c++/30703
5580         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5581         of INDIRECT_REF <RESULT_DECL>.
5583         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5585 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5586             Kaz Kojima  <kkojima@gcc.gnu.org>
5588         PR target/29746
5589         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5590         properly.
5591         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5593 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5595         * doc/loop.texi: Document possibility not to perform disambiguation
5596         of loops with multiple latches.
5597         * cfgloopmanip.c (alp_enum_p): Removed.
5598         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5599         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5600         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5601         the new forwarder block.
5602         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5603         Handle the case latch is NULL.
5604         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5605         when marking loop exits.
5606         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5607         be modified.
5608         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5609         disambiguate_loops_with_multiple_latches.
5610         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5611         before fix_loop_structure.
5612         * cfgloop.c: Include pointer-set.h and output.h.
5613         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5614         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5615         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5616         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5617         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5618         disambiguate_multiple_latches, get_loop_body_with_size,
5619         disambiguate_loops_with_multiple_latches): New functions.
5620         (flow_loop_dump): Dump multiple latch edges.
5621         (flow_loop_nodes_find): Handle loops with multiple latches.
5622         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5623         (glb_enum_p): Modified.
5624         (get_loop_body): Use get_loop_body_with_size.
5625         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5626         (AVOID_CFG_MODIFICATIONS): New constant.
5627         (disambiguate_loops_with_multiple_latches, add_loop,
5628         get_loop_body_with_size): Declare.
5629         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5631 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5633         PR inline-asm/28686
5634         * global.c (compute_regsets): New function.
5635         (global_alloc): Refactored ELIMINABLE_REGSET
5636         and NO_GLOBAL_ALLOC_REGS computation out.
5637         (rest_of_handle_global_alloc): Call compute_regsets()
5638         for non-optimizing case.
5640 2007-02-06  Richard Henderson  <rth@redhat.com>
5642         * config/i386/constraints.md (Y2): Rename from Y.
5643         (Yi): New constraint.
5644         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5645         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5646         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5647         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5648         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5649         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5650         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5651         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5652         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5653         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5654         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5655         vec_extractv2si_1): Change Y constraints to Y2.
5656         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5657         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5658         Change Y constraints to Y2.
5659         (sse2_loadld): Change Y constraints to x.
5661 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5663         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5664         (parity<mode>2): New define_expand using rs6000_emit_parity.
5665         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5666         rs6000_emit_parity): New functions.
5667         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5668         rs6000_emit_parity): Prototype here.
5670 2007-02-06  Ian Lance Taylor  <iant@google.com>
5672         * lower-subreg.c (simple_move_operand): Reject CONST.
5673         (resolve_clobber): Call validate_change rather than directly
5674         assigning to XEXP (pat, 0).
5676 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5678         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5679         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5680         (tree-cfg.o): Remove hashtab.h dependency.
5682         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5683         (struct ivopts_data): Change niters to pointer_map_t.
5684         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5685         (niter_for_exit): Create pointer_map on demand.  Change for
5686         pointer_map API.
5687         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5688         (free_loop_data): Destroy data->niters if created and reset field.
5689         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5690         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5692         * tree-ssa-reassoc.c: Include pointer-set.h.
5693         (bb_rank): Change to long *.
5694         (operand_rank): Change to pointer_map_t.
5695         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5696         (insert_operand_rank): Accept long.
5697         (operand_entry_hash, operand_entry_eq): Remove.
5698         (get_rank): Return long.  Adjust for changes above.
5699         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5700         and operand_rank.
5701         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5703         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5704         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5705         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5706         is not NULL.
5707         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5708         directly since it cannot be NULL.
5709         (get_vi_for_tree): Rewrite for pointer_map API.
5710         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5711         (init_alias_vars): Create vi_for_tree as pointer_map.
5712         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5714         * tree-cfg.c: Don't include hashtab.h.
5715         (edge_to_cases): Declare as pointer_map.
5716         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5717         Delete.
5718         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5719         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5720         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5721         destroying it.
5722         (record_switch_edge): Delete.
5723         (get_cases_for_edge): Adjust for pointer_map API, inline
5724         record_switch_edge (rewritten for new API), remove goto.
5726 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5728         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5729         * tree-nested.c: Include pointer-set.h.
5730         (var_map_elt, var_map_eq, var_map_hash): Delete.
5731         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5732         to pointer_map_t's.
5733         (nesting_info_bitmap_obstack): New.
5734         (lookup_field_for_decl): Adjust for pointer_map API.
5735         (lookup_tramp_for_decl): Adjust for pointer_map API.
5736         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5737         (get_local_debug_decl): Adjust for pointer_map API.
5738         (convert_nl_goto_reference): Adjust for pointer_map API.
5739         (convert_nl_goto_receiver): Adjust for pointer_map API.
5740         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5741         the new obstack.  Create field_map and var_map as pointer_maps.
5742         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5743         (root): Delete.
5744         (lower_nested_functions): Move root here, no need to NULL it.
5745         Initialize and release the obstack.
5747 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5749         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5750         Remove prototypes and make them non-static.
5751         (struct tree_int_map): Remove.
5752         * tree.h (struct tree_int_map): Move here, turning TO into an
5753         unsigned int.
5754         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5756         * tree.h (TREE_COMPLEXITY): Remove.
5757         (struct tree_exp): Remove complexity field.
5758         * tree.c (build1_stat): Don't set it.
5760 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5761             Victor Kaplansky  <victork@il.ibm.com>
5763         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5764         (vect_is_simple_reduction): Support reduction with induction as
5765         one of the operands.
5766         (vect_is_simple_iv_evolution): Fix formatting.
5767         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5768         formatting.  Don't mark induction phis for vectorization.
5769         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5770         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5771         (vect_get_vec_def_for_operand): Support induction.
5772         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5773         induction case.
5774         (vectorizable_reduction): Support reduction with induction as one of
5775         the operands.
5776         (vectorizable_type_demotion): Use def-type of stmt argument rather
5777         than dummy def-type.
5779         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5780         flag_tree_scev_cprop.
5781         * common.opt (tree-scev-cprop): New flag.
5783         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5784         call to vect_get_new_vect_var.
5786 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5788         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5789         vectype is not NULL.
5790         (vect_pattern_recog_1): Likewise.
5792 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5794         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5795         (fold_negate_expr): Likewise.
5797 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5799         PR debug/30189
5800         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5801         even if cv-qualification is the same.
5803 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5805         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5806         __enable_execute_stack on completion.
5808 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5810         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5811         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5812         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5813         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5814         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5815         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5816         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5817         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5819 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5821         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5822         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5823         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5824         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5825         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5826         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5827         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5828         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5829         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5830         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5831         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5832         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5833         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5834         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
5835         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
5836         sqrtextenddfxf2_i387): Added amdfam10_decode.
5838         * config/i386/athlon.md (athlon_idirect_amdfam10,
5839         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
5840         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
5841         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
5842         athlon_ivector_store_amdfam10): New define_insn_reservation.
5843         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
5844         amdfam10.
5846 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5848         * config/i386/athlon.md (athlon_call_amdfam10,
5849         athlon_pop_amdfam10, athlon_lea_amdfam10): New
5850         define_insn_reservation.
5851         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
5852         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
5853         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
5855 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5857         * config/i386/athlon.md (athlon_sseld_amdfam10,
5858         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
5859         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
5861 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5863         * config/i386/athlon.md (athlon_sseins_amdfam10): New
5864         define_insn_reservation.
5865         * config/i386/i386.md (sseins): Added sseins to define_attr type
5866         and define_attr unit.
5867         * config/i386/sse.md: Set type attribute to sseins for insertq
5868         and insertqi.
5870 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5872         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
5873         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
5874         ssecomi_load_amdfam10, ssecomi_amdfam10,
5875         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
5876         define_insn_reservation.
5877         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
5879 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5881         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
5882         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
5883         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
5884         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
5885         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
5886         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
5887         define_insn_reservation.
5889         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
5890         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
5891         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
5892         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
5893         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
5895 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5897         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
5898         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
5899         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
5900         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
5901         athlon_ssemul_load_k8): Added amdfam10.
5903 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5905         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
5906         (x86_sse_unaligned_move_optimal): New variable.
5908         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
5909         m_AMDFAM10.
5910         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
5911         for unaligned vector SSE double/single precision loads for AMDFAM10.
5913 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5915         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
5916         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
5917         Define TARGET_CPU_DEFAULT_amdfam10.
5918         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
5919         (processor_type): Add PROCESSOR_AMDFAM10.
5921         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
5922         processor_type in config/i386/i386.h.
5923         Enable imul peepholes for TARGET_AMDFAM10.
5925         * config.gcc: Add support for --with-cpu option for amdfam10.
5927         * config/i386/i386.c (amdfam10_cost): New variable.
5928         (m_AMDFAM10): New macro.
5929         (m_ATHLON_K8_AMDFAM10): New macro.
5930         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
5931         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
5932         x86_promote_QImode, x86_integer_DFmode_moves,
5933         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5934         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
5935         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
5936         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
5937         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
5938         Enable/disable for amdfam10.
5939         (override_options): Add amdfam10_cost to processor_target_table.
5940         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
5941         processor_alias_table.
5942         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
5943         (ix86_adjust_cost): Add code for amdfam10.
5945 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5947         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
5948         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
5949         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
5950         * config/i386/i386.h: Add builtin definition for SSE4A.
5951         * config/i386/i386.md: Add support for ABM instructions
5952         (popcnt and lzcnt).
5953         * config/i386/sse.md: Add support for SSE4A instructions
5954         (movntss, movntsd, extrq, insertq).
5955         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5956         Add -march=amdfam10 flag.
5957         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5958         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5959         and amdfam10.
5960         * doc/extend.texi: Add documentation for SSE4A builtins.
5962 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5964         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5966 2007-02-05  Richard Guenther  <rguenther@suse.de>
5968         * tree-vectorizer.h (vectorizable_function): Add argument type
5969         argument, change return type.
5970         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5971         * tree-vect-transform.c (vectorizable_function): Handle extra
5972         argument, return vectorized function decl.
5973         (build_vectorized_function_call): Remove.
5974         (vectorizable_call): Handle calls with result and argument types
5975         differing.  Handle loop vectorization factor correctly.
5976         * targhooks.c (default_builtin_vectorized_function): Adjust for
5977         extra argument.
5978         * targhooks.h (default_builtin_vectorized_function): Likewise.
5979         * target.h (builtin_vectorized_function): Add argument type
5980         argument.
5981         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5982         extra argument, allow vectorizing of lrintf.
5983         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5984         documentation of target hook.
5986 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5988         PR target/30665
5989         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5990         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5991         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5993 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5995         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5996         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5997         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5998         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5999         before canonicalizing sincos to cexpi.
6000         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6002 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6004         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6005         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6006         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6008 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6010         * mips-tfile.c (initialize_init_file): Correct endianness test.
6012 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6014         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6015         the 'y' constraint.
6017 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6019         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6020         saves in a PARALLEL before the register assignments.
6022 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6024         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6025         DWARF_FRAME_RETURN_COLUMN to be a general register.
6026         * dwarf2out.c (init_return_column_size): New function, split from...
6027         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6028         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6029         to be nongeneral registers.
6030         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6031         integer registers.
6032         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6033         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6035 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6037         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6039 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6041         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6042         (remove_path): Use can_remove_branch_p and remove_branch instead
6043         of loop_delete_branch_edge.
6044         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6045         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6046         Update profile using scale_dominated_blocks_in_loop.
6047         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6048         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6049         (can_remove_branch_p, remove_branch): Declare.
6050         * tree-cfg.c (tree_can_remove_branch_p): New function.
6051         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6052         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6053         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6055 2007-02-05  Jan Hubicka  <jh@suse.cz>
6057         PR middle-end/30696
6058         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6059         nodes in cgraph, don't remove offline copy of the function.
6061 2007-02-04  Jan Hubicka  <jh@suse.cz>
6063         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6064         vectors might cause maybe_lookup_element_for_expr to be called
6065         on non-sra-candidate.
6067 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6069         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6070         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6071         spelling conventions.
6073 2007-02-04  Richard Guenther  <rguenther@suse.de>
6075         PR middle-end/30636
6076         * fold-const.c (try_move_mult_to_index): Make sure to not
6077         overflow one dimension of a multi-dimensional array access.
6079 2007-02-04  Jan Hubicka  <jh@suse.cz>
6081         * passes.c (init_optimization_passes): Reindent.
6083 2007-02-04  Jan Hubicka  <jh@suse.cz>
6084             Eric Botcazou  <ebotcazou@adacore.com>
6086         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6087         (execute_fixup_cfg): Break out the abnormal goto code.
6088         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6089         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6090         (optimize_inline_calls): Call make_nonlocal_label_edges.
6092 2007-02-04  Jan Hubicka  <jh@suse.cz>
6094         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6095         true when something was changed.
6096         (rename_ssa_copies): When something was changed, do
6097         TODO_remove_unused_locals.
6098         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6099         add TODO_remove_unused_locals when instruction was removed.
6101 2007-02-04  Jan Hubicka  <jh@suse.cz>
6103         * ipa-inline.c (try_inline): Improve debug output; work on already
6104         inline edges too.
6105         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6106         call try_inline for already inlined edges too when flattening;
6107         inline also functions that make callee growth but overall unit size
6108         reduce.
6110 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6112         * config/m32c/bitops.md, config/m32c/jump.md,
6113         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6114         config/m32r/m32r.h, config/m32r/m32r.md,
6115         config/m32r/predicates.md, config/m68hc11/larith.asm,
6116         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6117         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6118         config/mips/mips-protos.h, config/mips/mips.c,
6119         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6120         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6121         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6122         spelling conventions.
6124         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6125         Follow spelling conventions.
6127 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6129         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6130         warn about C++0x compatibility.
6132 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6134         * config/h8300/h8300.c, config/h8300/h8300.h,
6135         config/h8300/h8300.md: Follow spelling conventions.
6137 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6139         PR middle-end/30667
6140         * combine.c (try_combine): Do not substitute source operand
6141         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6143 2007-02-03  Jan Hubicka  <jh@suse.cz>
6145         PR gcov-profile/30650
6146         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6147         do not divide by zero for never executed counters.
6148         (tree_find_values_to_profile): Fix counters.
6149         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6151 2007-02-03  Ian Lance Taylor  <iant@google.com>
6153         * lower-subreg.c (simple_move_operand): New static function,
6154         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6155         operands.
6156         (simple_move): Call simple_move_operand.
6157         (find_decomposable_subregs): Add special handling of MEMs.
6158         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6159         meaning of return value.  If we see a hard register, test whether
6160         it can store a word_mode value.  Change all callers.
6162 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6164         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6165         ftrapv insns and expanders.
6166         (subdi3): Change define_expand operand 1 to arith11_operand, and
6167         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6168         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6169         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6170         respectively.
6172         PR middle-end/30174
6173         * varasm.c (notice_global_symbol): Treat global objects as weak when
6174         flag_shlib is true.
6176 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6178         * emit-rtl.c (dconstpi): Delete.
6179         (dconstsqrt2): New.
6180         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6181         * real.h (dconstpi): Delete.
6182         (dconstsqrt2): New.
6183         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6184         (fold_builtin_hypot): Likewise.
6186 2007-02-03  Tom Tromey  <tromey@redhat.com>
6188         PR driver/30246
6189         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6190         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6192 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6194         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6195         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6196         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6197         config/rs6000/cell.md, config/rs6000/darwin.h,
6198         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6199         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6200         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6201         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6202         typos.  Follow spelling conventions.
6203         * doc/invoke.texi: Follow spelling conventions.
6205 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6207         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6208         canonicalization transformations that attempt to simplify integer
6209         constant comparisons to become comparisons against zero.
6211 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6213         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6214         fabs(x)*sqrt(2).
6215         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6216         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6218 2007-02-02  Mike Stump  <mrs@apple.com>
6220         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6221         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6222         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6223         generate a branch island.
6225 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6227         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6228         (xtensa_legitimate_address_p): New.
6229         (xtensa_legitimize_address): New.
6230         (xtensa_output_addr_const_extra): New.
6231         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6232         (BASE_REG_P): New.
6233         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6234         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6235         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6236         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6237         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6238         (xtensa_legitimize_address): New.
6239         (xtensa_output_addr_const_extra): New.
6241 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6243         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6245 2007-02-02  Ian Lance Taylor  <iant@google.com>
6247         * expmed.c (expand_divmod): Add comment.
6249 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6251         * emit-rtl.c (renumber_insns): Remove.
6252         * flags.h: Remove the extern for flag_renumber_insns.
6253         * rtl.h: Remove the prototype for renumber_insns.
6254         * toplev.c (flag_renumber_insns): Remove.
6256 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6258         Revert for x86 darwin:
6259         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6261         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6262         code before the following patch under TARGET_MACHO.
6263         (ix86_function_value_regno_p): Likewise.
6265 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6267         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6268         COMPLEX_EXPR.
6270 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6272         PR target/29682
6273         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6274         general or fp registers.  Add comments.
6275         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6277 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6279         * pointer-set.c (insert_aux): Only return insertion slot.
6280         (pointer_set_insert): Adjust.
6281         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6282         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6283         pointer_map_traverse): New.
6284         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6285         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6286         pointer_map_contains, pointer_map_traverse): Declare.
6288 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6290         PR middle-end/30473
6291         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6292         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6294 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6296         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6298         (struct _dep): New type.
6299         (dep_t): New typedef.
6300         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6301         (DEP_STATUS): New access macro.  The macro with the same name was
6302         renamed to DEP_LINK_STATUS.
6303         (dep_init): Declare function
6305         (struct _dep_link): New type.
6306         (dep_link_t): New typedef.
6307         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6308         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6309         (DEP_LINK_STATUS): New macro.
6310         (debug_dep_links): New debug function.
6312         (struct _deps_list): New type.
6313         (deps_list_t): New typedef.
6314         (DEPS_LIST_FIRST): New access macro.
6315         (FOR_EACH_DEP_LINK): New cycle macro.
6316         (create_deps_list, free_deps_list, delete_deps_list): Declare
6317         functions.
6318         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6319         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6320         (copy_deps_list_change_con): Ditto.
6322         (move_dep_link): Declare function.
6324         (struct _dep_node): New type.
6325         (dep_node_t): New typedef.
6326         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6328         (struct haifa_insn_data.back_deps): New field to hold backward
6329         dependencies of the insn.
6330         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6331         to deps_list_t.
6332         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6333         Change its type to deps_list_t.
6334         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6335         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6336         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6338         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6340         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6342         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6343         all callers.
6344         (dep_cost): Declare.
6346         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6347         (ds_to_dk, dk_to_ds): New functions.
6349         (init_dep_1): New static function.
6350         (init_dep): New function.
6351         (copy_dep): New static function.
6353         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6354         functions.
6355         (detach_dep_link): New static function.
6356         (move_dep_link): New function.
6358         (dep_links_consistent_p, dump_dep_links): New static functions.
6359         (debug_dep_links): New debugging function.
6361         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6363         (alloc_deps_list, init_deps_list): New static functions.
6364         (create_deps_list): New function.
6365         (clear_deps_list): New static function.
6366         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6367         (deps_list_consistent_p, dump_deps_list): New static functions.
6368         (debug_deps_list): New function.
6369         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6370         functions.
6371         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6373         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6374         use new scheduler dependencies lists.
6375         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6376         (sched_analyze): Ditto.  Initialize dependencies lists.
6377         (add_forw_dep, compute_forward_dependences): Update to use new
6378         scheduler dependencies lists.
6380         (init_dependency_caches): Init deps_obstack.
6381         (free_dependency_caches): Free deps_obstack.
6383         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6384         new scheduler dependencies lists.
6385         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6386         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6388         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6389         Update to use new scheduler dependencies lists.
6390         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6391         (debug_dependencies): Ditto.
6392         (schedule_region): Update comments.
6394         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6395         scheduler dependencies lists.
6396         (schedule_ebb): Update comments.
6398         * rtl.def (DEPS_LIST): Remove.
6400         * lists.c (unused_deps_list): Remove.
6401         (free_list): Update assertions.
6403         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6404         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6406         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6407         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6409         * haifa-sched.c (comments): Update.
6410         (insn_cost1): Remove.  Inline the code into insn_cost ().
6411         (insn_cost): Update to use new scheduler dependencies lists.  Move
6412         processing of the dependency cost to dep_cost ().
6413         (dep_cost): New function.  Use it instead of insn_cost () when
6414         evaluating cost of the dependency.  Use compatible interface to
6415         interact with the target.
6416         (priority): Update to use new scheduler dependencies lists.
6417         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6418         with greater number of insns that depend on the insn.
6419         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6420         code to free backward dependencies lists.  Inline and optimize code
6421         from resolve_dep () - see PR28071.
6422         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6423         lists.  Update call to targetm.sched.is_costly_dependence hook.
6425         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6426         scheduler dependencies lists.
6428         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6429         (init_h_i_d): Initialize dependencies lists.
6431         (process_insn_depend_be_in_spec): Rename to
6432         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6433         dependencies lists.
6434         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6435         Update to use new scheduler dependencies lists.
6436         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6438         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6439         new scheduler dependencies lists.
6440         (build_intra_loop_deps): Ditto.
6442         * target.h (struct _dep): Declare to use in
6443         gcc_target.sched.is_costly_dependence.
6444         (struct gcc_target.sched.adjust_cost): Fix typo.
6445         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6446         single dep_t parameter instead of an equivalent triad.
6447         (struct gcc_target.sched.adjust_cost_2): Remove.
6449         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6451         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6453         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6454         documentation.
6455         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6457         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6458         (REG_DEP_TRUE): Document.
6460         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6461         Change signature to correspond to the targetm.sched.adjust_cost hook.
6462         Update use in TARGET_SCHED_ADJUST_COST_2.
6463         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6464         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6465         new scheduler dependencies lists.
6466         (ia64_gen_check): Ditto.
6468         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6469         dependencies lists.
6471         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6472         signature to correspond to the targetm.sched.is_costly_dependence hook.
6473         (is_costly_group): Update to use new scheduler dependencies lists.
6475         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6476         instead of INSN_COST () macro.
6478 2007-02-01  Ian Lance Taylor  <iant@google.com>
6480         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6482 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6484         * pa.md (tp_load): Correct mfctl instruction syntax.
6486 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6488         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6489         altivec_padding_size calculation on AIX.  Improve comment, add
6490         assert to verify that it's right.
6492         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6493         64-bit.
6495 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6497         PR inline-asm/28686
6498         * global.c (global_alloc): Add mising initialization of
6499         ELIMINABLE_REGSET.
6501 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6503         * alias.c (init_alias_analysis): Correct whitespace.
6504         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6505         partition_hot_cold_basic_blocks): Likewise.
6506         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6507         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6508         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6509         fold_builtin_snprintf_chk, fold_builtin_printf,
6510         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6511         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6512         * cfgcleanup.c (cleanup_cfg): Likewise.
6513         * cfgexpand.c (tree_expand_cfg): Likewise.
6514         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6515         * function.c (get_next_funcdef_no): Likewise.
6516         * gengtype.c (main): Likewise.
6517         * genmodes.c (main): Likewise.
6518         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6519         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6520         * ifcvt.c (noce_emit_move_insn): Likewise.
6521         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6522         Likewise.
6523         * stor-layout.c (get_best_mode): Likewise.
6524         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6525         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6526         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6527         perform_var_substitution, solve_graph): Likewise.
6528         * tree-vrp.c (vrp_finalize): Likewise.
6530 2007-02-01  Ian Lance Taylor  <iant@google.com>
6532         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6533         high part of a paradoxical subreg, return a constant zero.
6535 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6537         * toplev.c (lang_dependent_init): Call init_set_costs.
6538         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6540 2007-02-01  Richard Guenther  <rguenther@suse.de>
6542         PR middle-end/30656
6543         * fold-const.c (fold_negate_expr): Allow negating a
6544         constant if overflow does not change.
6546 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6548         * doc/c-tree.texi (Expression trees): Improve markup.
6549         * doc/tm.texi (Register Classes, Addressing Modes)
6550         (Floating Point): Fix spacing after abbreviations.  Fix some
6551         typos.
6553 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6555         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6556         * doc/contrib.texi: Likewise.
6557         * doc/install.texi: Likewise.
6559 2007-01-31  Richard Henderson  <rth@redhat.com>
6560             Ian Lance Taylor  <iant@google.com>
6562         * lower-subreg.c: New file.
6563         * rtl.def (CONCATN): Define.
6564         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6565         pass_lower_subreg2.
6566         * emit-rtl.c (update_reg_offset): New static function, broken out
6567         of gen_rtx_REG_offset.
6568         (gen_rtx_REG_offset): Call update_reg_offset.
6569         (gen_reg_rtx_offset): New function.
6570         * regclass.c: Revert patch of 2006-03-05, restoring
6571         reg_scan_update.
6572         (clear_reg_info_regno): New function.
6573         * dwarf2out.c (concatn_loc_descriptor): New static function.
6574         (loc_descriptor): Handle CONCATN.
6575         * common.opt (fsplit_wide_types): New option.
6576         * opts.c (decode_options): Set flag_split_wide_types when
6577         optimizing.
6578         * timevar.def (TV_LOWER_SUBREG): Define.
6579         * rtl.h (gen_reg_rtx_offset): Declare.
6580         (reg_scan_update): Declare.
6581         * regs.h (clear_reg_info_regno): Declare.
6582         * tree-pass.h (pass_lower_subreg): Declare.
6583         (pass_lower_subreg2): Declare.
6584         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6585         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6586         -fsplit-wide-types.
6587         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6588         * Makefile.in (OBJS-common): Add lower-subreg.o.
6589         (lower-subreg.o): New target.
6591 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6593         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6595 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6597         PR target/19087
6598         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6600 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6602         PR middle-end/29335
6603         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6605 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6607         * cfgloop.h: Include vec-prim.h.
6608         (enum li_flags): Remove LI_ONLY_OLD.
6609         (loop_iterator): Changed.
6610         (fel_next, fel_init): Iterate over loop tree.
6611         (FOR_EACH_LOOP_BREAK): New macro.
6612         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6613         FOR_EACH_LOOP.
6614         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6615         * modulo-sched.c (sms_schedule): Ditto.
6616         * tree-vectorizer.c (vectorize_loops): Ditto.
6617         * doc/loop.texi: Update information on loop numbering and behavior of
6618         FOR_EACH_LOOP wrto new loops.
6619         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6620         add_to_evolution_1): Test nestedness of loops instead of comparing
6621         their numbers.
6622         * tree-chrec.c (chrec_fold_plus_poly_poly,
6623         chrec_fold_multiply_poly_poly, chrec_evaluate,
6624         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6625         reset_evolution_in_loop): Ditto.
6626         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6628 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6630         * c-common.c (warn_about_parentheses): Separate warning about
6631         un-parenthized sequence of comparison operators from the one
6632         which is supposed to warn about x <= y <= z.
6634 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6636         * optabs.h (enum optab_index): Add new OTI_isinf.
6637         (isinf_optab): Define corresponding macro.
6638         * optabs.c (init_optabs): Initialize isinf_optab.
6639         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6640         patterns.
6641         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6642         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6643         using isinf_optab.
6644         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6645         expand_builtin_interclass_mathfn.
6646         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6647         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6648         (fxam<mode>2_i387): New insn pattern.
6649         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6650         built-in functions as x87 inline asm.
6652 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6654         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6656 2007-01-30  Eric Christopher  <echristo@apple.com>
6658         * config.gcc: Add geode.
6660 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6662         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6663         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6664         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6665         value-prof.c: Fix comment typos.
6667 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6669         PR c++/24745
6670         * doc/invoke.texi (Wpointer-arith): Document warning.
6672 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6674         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6675         the list of discrepancies from the draft TR.
6677 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6679         PR c++/30601
6680         * doc/invoke.texi (-Wreturn-type): Update description to
6681         match new behavior.
6683 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6685         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6687 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6689         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6690         to handle optabs that operate on floating point input argument and
6691         output to integer output.
6692         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6693         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6694         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6695         expand_builtin_interclass_mathfn ().
6696         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6697         (ilogbsi2): Remove.
6698         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6699         ilogbl built-in functions as x87 intrinsics.
6701 2007-01-30  Richard Guenther  <rguenther@suse.de>
6703         PR middle-end/27657
6704         * dwarf2out.c (reference_to_unused): Query varpool if the
6705         variable was output.
6707 2007-01-30  Richard Guenther  <rguenther@suse.de>
6709         PR middle-end/30313
6710         * passes.c (execute_one_pass): Reset in_gimple_form to not
6711         confuse non-unit-at-a-time mode.
6713 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6714             Richard Guenther  <rguenther@suse.de>
6716         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6717         avoid undefined behaviour on overflow.  Use force_fit_type_double
6718         to construct the constant with the specified TREE_OVERFLOW.
6720 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6722         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6723         * config/dfp-bit.h: Ditto.
6725 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6727         * c-decl.c (pop_scope): Replace warnings with call to
6728         warn_for_unused_label.
6729         * c-common.h (warn_for_unused_label): Declare.
6730         * c-common.c (warn_for_unused_label): Define.
6732 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6734         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6735         function.
6737 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6739         * Makefile.in (USER_H): Remove decfloat.h.
6740         * ginclude/decfloat.h: Delete, moving contents to ...
6741         * ginclude/float.h: Add support for decimal floating point,
6742         guarded by __STDC_WANT_DEC_FP__.
6744 2007-01-29  Mike Stump  <mrs@apple.com>
6746         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6747         Analysis and Representation to resolve case insensitive conflict.
6748         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6750 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6752         * tree.h (struct tree_memory_tag): Add aliases member.
6753         (MTAG_ALIASES): New macro.
6754         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6755         (add_may_alias): Remove pointer-set. Update for may_aliases being
6756         a bitmap.
6757         (mark_aliases_call_clobbered): Update for may_aliases being a
6758         bitmap.
6759         (compute_tag_properties): Ditto.
6760         (create_partition_for): Ditto.
6761         (compute_memory_partitions): Ditto.
6762         (dump_may_aliases_for): Ditto.
6763         (is_aliased_with): Ditto.
6764         (add_may_alias_for_new_tag): Ditto.
6765         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6766         (compute_is_aliased): New function.
6767         (compute_may_aliases): Call compute_is_aliased).
6768         (init_alias_info): Initialize alias_bitmap_obstack.
6769         (union_alias_set_into): New function.
6770         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6771         (have_common_aliases_p): Rewrite to take two bitmaps and use
6772         intersection.
6773         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6774         Update for bitmaps.
6775         (finalize_ref_all_pointers): Update for add_may_alias changes.
6776         (new_type_alias): Ditto.
6777         * tree-flow-inline.h (may_aliases): Return a bitmap.
6778         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6779         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6780         may_aliases being a bitmap.
6781         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6782         may_aliases now returns a bitmap.
6783         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6784         being a bitmap.
6785         * tree-ssa-operands.c (add_virtual_operand): Update for
6786         may_aliases being a bitmap.
6788 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6790         PR tree-optimization/30630
6791         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6792         variable as changed.
6794 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6796         PR c++/28266
6797         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6798         expanded only once even if an error occurs.
6800 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6802         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6803         (__gcov_average_profiler): Likewise.
6804         (__gcov_ior_profiler): Likewise.
6805         (__gcov_merge_ior): Likewise.
6807 2007-01-28  Jan Hubicka  <jh@suse.cz>
6809         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6810         * value-prof.c (stringop_block_profile): Likewise.
6812 2007-01-28  Jan Hubicka  <jh@suse.cz>
6814         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6815         variant handling histograms; add wrapper.
6816         (clear_storage_via_libcall): Export.
6817         (emit_block_move_hints): Break out from ...; add histograms.
6818         (emit_block_move): ... this one.
6819         (clear_storage_hints): Break out from ...; add histograms.
6820         (clear_storage): ... this one.
6821         (set_storage_via_memset): Handle histogram.
6822         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6823         (clear_storage_hints, clear_storage_via_libcall): Declare.
6824         (set_storage_via_setmem): Update prototype.
6825         * doc/md.texi (movmem, setmem): Document new arguments.
6827         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6828         new histograms.
6829         (stringop_block_profile): New global function.
6830         (tree_stringops_values_to_profile): Profile block size and alignment.
6831         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6832         HIST_TYPE_IOR.
6833         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6834         (stringop_block_profile): Declare.
6835         * builtins.c: Include value-prof.h.
6836         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
6837         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
6838         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
6839         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
6840         * profile.c (instrument_values): Add new counters.
6841         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
6842         calls.
6843         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
6844         (tree_init_edge_profiler): Build new profilers.
6845         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
6846         (pass_tree_profile): Add dump.
6847         (tree_profile_hooks): Update.
6848         * Makefile.in (LIBGCOV): Add new constants.
6849         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
6850         __gcov_ior_profiler): New.
6851         * i386.md (movmem/setmem expanders): Add new optional arguments.
6853 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
6855         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
6857 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6859         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
6860         (tree_unswitch_single_loop): Pass eni_size_weights to
6861         tree_num_loop_insns.
6862         * tree-ssa-loop-manip.c: Include tree-inline.h.
6863         (can_unroll_loop_p): Pass eni_size_weights to
6864         tree_num_loop_insns.
6865         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
6866         Pass eni_size_weights to estimate_num_insns.
6867         * tree.h (init_inline_once): Export.
6868         * toplev.c (backend_init): Call init_inline_once.
6869         * cgraphunit.c (cgraph_process_new_functions,
6870         cgraph_analyze_function): Pass eni_inlining_weights to
6871         estimate_num_insns.
6872         * ipa-inline.c (compute_inline_parameters): Ditto.
6873         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
6874         to estimate_num_insns.
6875         (try_unroll_loop_completely): Pass eni_size_weights to
6876         tree_num_loop_insns.
6877         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
6878         ot estimate_num_insns.
6879         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
6880         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
6881         * tree-inline.c (eni_inlining_weights, eni_size_weights,
6882         eni_time_weights): New variables.
6883         (init_inline_once): Initialize them.
6884         (struct eni_data): Mew.
6885         (estimate_num_insns_1, estimate_num_insns): Use weights.
6886         * tree-inline.h (struct eni_weights_d): New.
6887         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
6888         (estimate_num_insns): Declaration changed.
6889         * cfgloop.h (tree_num_loop_insns): Declaration changed.
6890         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
6891         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
6893 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
6895         * tree-data-ref.c (conflict_fn): Assert that the number of affine
6896         relations in the conflict function is valid.
6898 2007-01-27  Ian Lance Taylor  <iant@google.com>
6900         * common.opt: Add fstrict-overflow.
6901         * opts.c (decode_options): Set flag_strict_overflow if -O2.
6902         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
6903         (TYPE_OVERFLOW_UNDEFINED): Define.
6904         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
6905         Replace all uses.
6906         * tree.h (TYPE_TRAP_SIGNED): Don't define.
6907         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
6908         (fold_negate_expr): Likewise.
6909         (make_range): Likewise.
6910         (extract_muldiv_1): Likewise.
6911         (maybe_canonicalize_comparison): Likewise.
6912         (fold_comparison): Likewise.
6913         (fold_binary): Likewise.
6914         (tree_expr_nonnegative_p): Likewise.
6915         (tree_expr_nonzero_p): Likewise.
6916         * tree-vrp.c (compare_values): Likewise.
6917         (extract_range_from_binary_expr): Likewise.
6918         (extract_range_from_unary_expr): Likewise.
6919         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
6920         Likewise.
6921         (nowrap_type_p): Likewise.
6922         * tree-scalar-evolution.c (simple_iv): Likewise.
6923         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
6924         (build_range_check): Likewise.
6925         (extract_muldiv_1): Likewise.
6926         (fold_comparison): Likewise.
6927         * tree-vrp.c (vrp_int_const_binop): Likewise.
6928         (extract_range_from_unary_expr): Likewise.
6929         * convert.c (convert_to_integer): Likewise.
6930         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
6931         (fold_comparison): Likewise.
6932         (fold_binary): Likewise.
6933         * optabs.c (optab_for_tree_code): Likewise.
6934         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
6935         * simplify-rtx.c (simplify_const_relational_operation): Check
6936         flag_strict_overflow and flag_trapv.
6937         (simplify_const_relational_operation): Likewise.
6938         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
6939         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
6940         -fstrict-overflow.
6942 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6944         * tree.c (tree_fold_gcd): Delete.
6945         * tree.h (tree_fold_gcd): Remove prototype.
6946         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
6947         test whether one constant integer is a multiple of another.  Instead
6948         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
6949         * fold-const.c (multiple_of_p):  We've determined both TOP and
6950         BOTTOM are integer constants so we can call int_const_binop directly
6951         instead of the more generic const_binop.
6953 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6955         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6956         1*X check that the constant hasn't overflowed, to preserve the
6957         TREE_OVERFLOW bit.
6958         (round_up): Provide an efficient implementation when rouding-up an
6959         INTEGER_CST to a power-of-two.
6961 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6963         * doc/sourcebuild.texi: Add comma for clarity.
6964         * doc/extend.texi: Fix some typos.
6965         * doc/passes.texi: Likewise.
6966         * doc/cppinternals.texi: Likewise.
6967         * doc/c-tree.texi: Likewise.
6968         * doc/tree-ssa.texi: Likewise.
6969         * doc/install.texi: Likewise.
6971 2007-01-27  Jan Hubicka  <jh@suse.cz>
6973         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6974         (pass_sra): Do not require alias information.
6975         * passes.c (init_optimization_passes): Add SRA
6977 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6979         * tracer.c (rest_of_handle_tracer): We already cleaned
6980         up the CFG in tracer() so don't do it here again.
6981         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6982         cleanup_cfg here, either.  And don't call renumber_insns.
6984         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6985         and BB_HEAD are in the insn stream here.  Instead make sure
6986         that BB_INSN is valid on all insns.  Also, do check here that
6987         there are no pending branch predictions...
6988         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6989         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6990         here.
6992 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6994         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6995         function to simplify/factorize operand order canonicalization.
6996         (ix86_fixup_binary_operands): Reorganize using the above function.
6997         (ix86_binary_operator_ok): Likewise.
6999 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7001         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7002         file scope from optimize_attrs.
7003         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7004         up search.
7005         (optimize_attrs): Clear insn_code_values after freeing it.
7007 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7009         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7010         a parts.base assignment.
7012 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7014         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7015         (compute_subscript_distance, initialize_data_dependence_relation,
7016         finalize_ddr_dependent, analyze_ziv_subscript,
7017         analyze_siv_subscript_cst_affine,
7018         compute_overlap_steps_for_affine_univar,
7019         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7020         analyze_siv_subscript, analyze_miv_subscript,
7021         analyze_overlapping_iterations, subscript_dependence_tester_1,
7022         compute_self_dependence, free_dependence_relation): Work
7023         with affine_fn instead of chrecs.
7024         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7025         common_affine_function, affine_function_base,
7026         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7027         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7028         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7029         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7030         (all_chrecs_equal_p): Removed.
7031         * tree-data-ref.h (affine_fn, conflict_function): New types.
7032         (struct subscript): Change type of conflicting_iterations_in_a
7033         and conflicting_iterations_in_b.
7035 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7037         PR other/30182
7038         * config/pa/pa.h (TARGET_HPUX_11): New.
7039         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7040         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7042 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7043         Richard Guenther  <rguenther@suse.de>
7045         * tree-ssa-structalias.c (solve_graph): Handle case
7046         we merged the variable to another.
7048 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7050         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7051         functions.
7053         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7054         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7056 2007-01-25  DJ Delorie  <dj@redhat.com>
7058         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7059         allow changes to modes which don't fit in those registers.
7061         * reload1.c (choose_reload_regs): Check for invalid subregs before
7062         computing their locations, not after.
7064 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7066         PR 25127
7067         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7068         save Altivec registers in an eh_return function.
7069         (compute_vrsave_mask): Likewise.
7070         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7071         for saving Altivec registers.
7072         (rs6000_emit_prologue): Don't allocate stack twice in
7073         eh_return function.  Correct expected value of altivec_save_offset
7074         when using save_world.  Describe save of R0 to stack when using
7075         save_world.  Describe stack pointer adjustment when using
7076         save_world.  Remove duplicated eh_return parameter register saving.
7077         Update sp_offset variable after save_world.
7078         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7079         darwin-world.asm.
7080         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7081         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7082         implies Altivec.
7084 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7086         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7088 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7090         PR other/30182
7091         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7092         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7094 2007-01-25  Richard Guenther  <rguenther@suse.de>
7096         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7097         * common.opt (-Wcoverage-mismatch): New warning option.
7098         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7099         if -Wcoverage-mismatch is given.
7101 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7103         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7104         (ipcp_driver): Change to static definition.
7105         Add dumping of the ifunctions.
7106         (constant_val_insert): Remove unused parameter. Support for SSA.
7107         (ipcp_propagate_const): Support for SSA.
7108         (ipcp_profile_bb_print): Print only analyzed nodes.
7109         (ipcp_replace_map_create): Remove support for Fortran constant
7110         for now.
7111         * ipa-prop.c (ipa_method_modify_stmt,
7112         ipa_callsite_compute_param): Support for SSA.
7113         * ipa-prop.h (ipcp_driver): Remove declaration.
7114         (IS_VALID_TREE_MAP_INDEX): Add define.
7116 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7118         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7120 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7122         PR middle-end/30447
7123         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7124         constant argument to cabs and do it without checking for
7125         -funsafe-math-optimizations.
7127 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7129         * c-common.h (RID_FIRST_CXX0X): New.
7130         (RID_LAST_CXX0X): New.
7131         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7132         by -Wall.
7133         * c.opt (Wc++0x-compat): New.
7134         * doc/invoke.texi (-Wc++0x-compat): Document.
7136 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7138         * builtins.c (fold_builtin_carg): New.
7139         (fold_builtin_1): Use it.
7141 2007-01-24  Jan Hubicka  <jh@suse.cz>
7143         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7145         * ipa-inline.c (initial_insns, max_insns): Delete.
7146         (compute_max_insns): New function.
7147         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7148         of insns as base for code growth.
7149         (cgraph_decide_inlining): Make initial_insns local; do not compute
7150         max_insns.
7151         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7152         * doc/invoke.texi (inline-unit-growth): Update docs.
7154 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7156         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7157         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7158         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7159         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7160         for CPUs that have PTA_CX16 set.
7162         PR middle-end/27416
7163         * gimplify.c (omp_check_private): New function.
7164         (gimplify_scan_omp_clauses): Use it for
7165         firstprivate/lastprivate/reduction.
7167         PR middle-end/30494
7168         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7169         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7171         PR middle-end/30421
7172         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7173         If lower_lastprivate_clauses emits some statements, append them
7174         to dlist rather than body_p and to body_p append an initializer.
7175         (lower_omp_for): Adjust caller.
7177 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7179         * target.h (globalize_decl_name): New.
7180         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7181         * output.h (default_globalize_decl_name): New.
7182         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7183         globalize_label.
7184         (globalize_decl): Ditto.
7185         (default_globalize_decl_name): New.
7186         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7187         (ia64_handle_version_id_attribute): New.
7188         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7189         (ia64_asm_output_external): Use globalize_decl_name instead
7190         of globalize_label.
7191         * doc/extend.texi (version_id): New pragma.
7192         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7194 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7196         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7197         _uleb128_t and _Unwind_SWord with _sleb128_t.
7198         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7199         uw_frame_state_for, uw_update_context_1): Likewise.
7200         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7201         * unwind-pe.h (read_uleb128, read_sleb128,
7202         read_encoded_value_with_base): Likewise.
7203         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7205 2007-01-24  Richard Guenther  <rguenther@suse.de>
7207         * builtins.c (expand_builtin_cexpi): Get the fndecl
7208         for cexp in the correct way.
7210 2007-01-24  Jan Hubicka  <jh@suse.cz>
7212         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7214 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7216         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7217         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7218         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7219         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7220         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7221         __SIZEOF_PTRDIFF_T__.
7222         * doc/cpp.texi: Documentation for the new builtin macros added.
7224 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7226         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7227         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7228         instead of operands[2] to avoid access past the end of array.
7230 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7232         * reload1.c (emit_reload_insns): Pass the reload register
7233         for a non-spill output reload through forget_old_reloads_1.
7235 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7237         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7238         _SOFT_DOUBLE if doubles use software floating-point.
7239         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7240         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7241         * config/rs6000/darwin-ldouble.c: Also compile functions for
7242         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7243         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7244         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7245         commented-out long double override.
7246         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7247         * config/rs6000/eabispe.h: Likewise.
7248         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7249         long double for non-SPE.
7250         (rs6000_handle_option): Likewise.
7251         (invalid_e500_subreg): Disallow more subregs involding DImode,
7252         DFmode, TImode or TFmode.
7253         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7254         E500 double.
7255         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7256         double.
7257         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7258         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7259         double.
7260         (rs6000_legitimate_address): Also check for TFmode for E500
7261         double.
7262         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7263         (spe_build_register_parallel): Handle TFmode and TCmode.
7264         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7265         double.
7266         (function_arg): Handle TFmode and TCmode for E500 double.
7267         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7268         in general.
7269         (print_operand): Handle TFmode and TImode for %y.
7270         (rs6000_generate_compare): Handle TFmode comparisons for E500
7271         double.
7272         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7273         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7274         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7275         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7276         TFmode for E500 double.
7277         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7278         (floatsidf2): Enable for E500 double.
7279         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7280         (extenddftf2): Change to extenddftf2_fprs.
7281         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7282         depending on TARGET_E500_DOUBLE.
7283         (extendsftf2): Enable for E500 double.
7284         (trunctfdf2): Enable for E500 double.
7285         (trunctfsf2): Change to trunctfsf2_fprs.
7286         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7287         depending on TARGET_E500_DOUBLE.
7288         (floatsitf2): Enable for E500 double.
7289         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7290         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7291         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7292         (negtf2): Change to negtf2_internal.
7293         (negtf2): New expander.
7294         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7295         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7296         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7297         (movdi_internal32): Use rs6000_nonimmediate_operand.
7298         (unnamed splitter): Likewise.
7299         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7300         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7301         (SPE64TF, DITI): New mode macros.
7302         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7303         modes.
7304         (frob_tf_ti): New.
7305         (frob_<mode>_di_2): New.
7306         (frob_tf_di_8_2): New.
7307         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7308         (frob_ti_tf): New.
7309         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7310         more modes.
7311         (frob_ti_<mode>_8_2): New.
7312         (frob_ti_tf_2): New.
7313         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7314         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7315         TFmode.
7316         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7317         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7318         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7319         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7320         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7321         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7322         tsttflt_gp): New.
7324 2007-01-23  Ian Lance Taylor  <iant@google.com>
7326         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7327         insn-*.o first.
7328         (OBJS-archive): Reformat, alphabetize.
7329         (OBJS): Change out_object_file to OBJS-md.
7331 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7333         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7334         JUMP_P and CALL_P predicates where applicable.
7335         * config/i386/i386.c: Ditto.
7336         * config/i386/i386.md: Ditto.
7337         * config/i386/mmx.md: Ditto.
7338         * config/i386/predicates.md: Ditto.
7340 2007-01-22  Andreas Schwab  <schwab@suse.de>
7342         * config/m68k/m68k.h: Fix comment.
7344 2007-01-22  Jan Hubicka  <jh@suse.cz>
7346         * passes.c (init_optimization_passes): Do not rerun
7347         pass_early_warn_uninitialized.
7349 2007-01-22  Richard Guenther  <rguenther@suse.de>
7351         PR tree-optimization/30038
7352         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7353         function.
7354         (execute_cse_sincos_1): Likewise.
7355         (execute_cse_sincos): Likewise.
7356         (gate_cse_sincos): Likewise.
7357         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7358         the cexpi() canonicalization of sincos().
7359         * tree-pass.h (pass_cse_sincos): Declare.
7360         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7362 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7364         PR rtl-optimization/29329
7365         * combine.c (replaced_rhs_insn): Rename to i2mod.
7366         (replaced_rhs_value): Rename to i2mod_new_rhs.
7367         (i2mod_old_rhs): New global variable.
7368         (combine_instructions): Adjust for above change.  Save a copy of
7369         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7370         note are substituted in the second instruction.
7371         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7372         ditch the note if it pertains to the second eliminated register
7373         and this register is mentioned in i2mod_old_rhs.
7375         Revert:
7376         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7378         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7379         the insn to which the note was originally attached.
7381 2007-01-21  Jan Hubicka  <jh@suse.cz>
7383         * ipa-inline.c (inlining_mode): Comment, move up.
7384         (cgraph_decide_inlining_incrementally): Do not perform inlining
7385         itself; fix handling of flattening of self recursive functions.
7386         (cgraph_find_cycles): Remove.
7387         (cgraph_flatten_node): Remove.
7388         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7389         (try_inline): New function.
7390         (cgraph_early_inlining): Update call of
7391         cgraph_decide_inlining_incrementally.  Apply inlining here.
7392         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7394 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7396         PR bootstrap/30511
7397         * tree-vrp.c (check_array_bounds): do not warn
7398         about ADDR_EXPR's of ARRAY_REF's which are immediately
7399         used in binary expressions.
7401 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7403         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7404         read_write_dep and macros for its access.
7405         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7406         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7407         argument, call vect_check_interleaving for every independent pair of
7408         data-refs. Mark loads that access the same memory location as a store
7409         in the loop.
7410         (vect_check_dependences): Remove.
7411         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7412         call, fix the call to vect_analyze_data_ref_dependence.
7413         (vect_analyze_data_ref_access): For statements that access the same
7414         data-ref, check that they are not stores; for loads, check that there
7415         is no store that access the same location.
7417 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7418             Joseph Myers  <joseph@codesourcery.com>
7420         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7421         (-fdump-rtl-stack): Likewise.
7422         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7423         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7424         (-mpt-fixed): Use @minus{} for minus sign.
7425         (Using Precompiled Headers): Fix under/overfull hbox.
7427 2007-01-20  Jan Hubicka  <jh@suse.cz>
7429         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7430         place within annotation.
7432 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7434         * pa.c (output_move_double): Change array size of xoperands to 4.
7436 2007-01-20  Jan Hubicka  <jh@suse.cz>
7438         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7439         as temporary.
7441 2007-01-19  Ian Lance Taylor  <iant@google.com>
7443         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7444         constant to unsigned HOST_WIDE_INT before negating.
7446 2007-01-19  Ian Lance Taylor  <iant@google.com>
7448         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7449         to unsigned.
7450         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7451         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7452         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7453         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7454         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7455         (realloc_vdef, realloc_vuse): Change second parameter to
7456         unsigned.
7457         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7458         fields to unsigned.
7459         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7460         unsigned. Change x and lim locals to unsigned.
7461         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7462         unsigned.
7463         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7464         (copy_virtual_operands): Change i and n locals to unsigned.
7466 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7468         PR middle-end/29335
7469         * builtins.c (fold_builtin_1): Handle builtin fdim.
7471 2007-01-20  Jan Hubicka  <jh@suse.cz>
7473         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7474         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7475         init_alias_heapvars.
7476         (init_alias_heapvars): Initialize only when not already initialized.
7477         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7479 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7481         * common.opt (fsigned-zeros): New command line option.
7482         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7483         of flag_unsafe_math_optimizations.
7484         * opts.c (set_fast_math_flags): The -ffast-math command line option
7485         implies -fno-signed-zeros.
7486         (fast_math_flags_set_p): Likewise.
7488         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7489         the documentation of -ffast-math appropriately.  Wrap long lines.
7491 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7493         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7494         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7496 2007-01-19  Tomas Bily  <tbily@suse.cz>
7498         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7499         * tree-profile.c:
7500         (tree_init_ic_make_global_vars): New function
7501         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7502         (tree_gen_ic_profiler): New function
7503         (tree_gen_ic_func_profiler): New function
7504         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7505         (tree_profile_hooks): Added hook for indirec/virtual calls
7506         * value-prof.c (tree_find_values_to_profile): New case for
7507         indirect calls
7508         (tree_values_to_profile): Call for determining indirect/virtual
7509         counters
7510         (tree_indirect_call_to_profile): New function
7511         (tree_ic_transform): New function
7512         (tree_ic): New function
7513         (find_func_by_pid): New function
7514         (init_pid_map): New function
7515         (tree_value_profile_transformations): Added check for
7516         indirect/virtual call transformation
7517         * value-prof.h (enum hist_type): New counter type for
7518         indirect/virtual calls
7519         (profile_hooks): Added new hook for profiling indirect/virtual
7520         calls
7521         * profile.c (instrument_values): New case for indirect/virtual
7522         call added
7523         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7524         (GCOV_COUNTER_V_INDIR): New counter type
7525         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7526         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7527         call added
7528         * cgraph.c: Definition of cgraph_max_pid
7529         (cgraph_create_node): Default init of pid attribute
7530         * cgraph.h: Declaration of cgraph_max_pid
7531         (struct cgraph_node): Added pid attribute
7532         * libgcov.c (__gcov_indirect_call_profiler): New function
7533         (__gcov_one_value_profiler_body): New function
7534         (__gcov_one_value_profiler): Body was moved to
7535         __gcov_one_value_profiler_body and calls it
7537 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7539         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7540         * gengtype.c (write_types_data, write_func_for_structure,
7541         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7542         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7543         (walk_type, write_func_for_structure): Generate the mark_hook if
7544         needed.
7546 2007-01-19  Jan Hubicka  <jh@suse.cz>
7548         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7549         'early' argument take inlining mode argument specifying whether to
7550         inline for size/speeed or all functions; add support for flattening;
7551         improve dumpting.
7552         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7554 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7556         PR c++/17947
7557         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7558         the name of the declared identifier.
7560 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7562         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7563         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7564         duplicate evaluation.
7566 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7568         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7569         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7570         to XFMode, use acosxf2 and truncate result to requested mode.
7571         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7572         (asin<mode>2): Similarly, with asin expanders.
7573         (*fscalexf4_i387): Rename from *fscalexf4.
7574         (expNcorexf3): New expander.
7575         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7576         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7577         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7578         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7579         patterns for SSE math.
7580         (exp10<mode>2): Similarly, with exp10 expanders.
7581         (exp2<mode>2): Similarly, with exp2 expanders.
7582         (expm1<mode>2): Similarly, with expm1 expanders.
7583         (ldexp<mode>3): Similarly, with ldexp expanders.
7584         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7585         Use gen_truncxf<mode>2_i387_noop to truncate result.
7587 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7589         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7590         for ColdFire targets.
7592 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7593             Richard Sandiford  <richard@codesourcery.com>
7595         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7596         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7597         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7598         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7599         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7600         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7602 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7604         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7605         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7606         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7607         (*adddi_dilshr32_cf): New pattern.
7608         (adddi3, subdi3): Remove first alternatives.
7610 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7612         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7613         implemented using move.l, do not use its cc result for floating-point
7614         comparisons.
7616 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7618         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7619         from accepting 's' constraints if flag_pic.
7621 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7623         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7624         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7625         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7626         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7628 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7630         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7631         ColdFire alternatives.
7632         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7633         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7634         architectures that support ff1 instruction.
7636 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7637             Julian Brown  <julian@codesourcery.com>
7639         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7640         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7641         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7642         Add commentary.
7644 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7646         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7647         and return a bool.
7648         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7649         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7650         HOST_WIDE_INT instead of an rtx.
7651         (m68k_rtx_costs): Update call accordingly.
7652         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7653         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7654         Return a bool.
7655         (output_move_simode_const): Update calls after above changes.
7656         Rework to use automatic variables and predicates like MEM_P.
7657         * config/m68k/m68k.md (pushexthisi_const): Update call to
7658         valid_mov3q_const.
7660 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7662         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7663         in dump_flags test.
7665 2007-01-19  Richard Guenther  <rguenther@suse.de>
7667         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7668         via cexp in case sincos is not available.
7670 2007-01-19  Richard Guenther  <rguenther@suse.de>
7672         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7673         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7674         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7675         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7676         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7677         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7678         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7679         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7681 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7683         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7684         New insn patterns.
7685         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7686         (atan2xf3): Directly generate RTL pattern.
7687         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7688         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7689         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7690         disable patterns for SSE math.
7691         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7692         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7693         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7694         disable patterns for SSE math.
7696 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7698         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7700 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7702         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7703         VIEW_CONVERT_EXPR to the same type as it's operand.
7705 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7707         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7708         configured for long double 128.
7710 2007-01-18  Mike Stump  <mrs@apple.com>
7712         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7713         error.
7715 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7717         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7718         type correct.
7720 2007-01-18  Jan Hubicka  <jh@suse.cz>
7722         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7723         greater than NUM_VOP_FREE_BUCKETS.
7725 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7727         * tree-ssa-structalias.c: Update comments.
7728         (ptabitmap_obstack): Removed.
7729         (pta_obstack): New.
7730         (oldpta_obstack): Ditto.
7731         (stats): Add a few members.
7732         (struct variable_info): Remove node, complex, address_taken, and
7733         indirect_target members. Add oldsolution member.
7734         (new_var_info): Do not initialize removed members.
7735         (constraint_expr_type): Remove INCLUDES.
7736         (constraint_graph): Add size, implicit_preds, rep,
7737         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7738         (FIRST_REF_NODE): New macro.
7739         (LAST_REF_NODE): Ditto.
7740         (FIRST_ADDR_NODE): Ditto.
7741         (find): New function.
7742         (unite): Ditto.
7743         (dump_constraint): Do not handle INCLUDES.
7744         (insert_into_complex): Do not insert duplicate constraints.
7745         (condense_varmap_nodes): Renamed and rewritten into ...
7746         (merge_node_constraints): This. Also fix bug in handling of
7747         offseted copy constraints.
7748         (clear_edges_for_node): No longer need to deal with preds at all,
7749         or removing associated preds/succs.
7750         (merge_graph_nodes): Deal with indirect_cycles.
7751         Don't deal with predecessors.
7752         (add_implicit_graph_edge): New function.
7753         (add_pred_graph_edge): Ditto.
7754         (add_graph_edge): Don't deal with predecessors.
7755         (build_constraint_graph): Removed.
7756         (build_pred_graph): New function.
7757         (build_succ_graph): Ditto.
7758         (struct scc_info): Removed in_component. Added roots, dfs, and
7759         node_mapping. Remove visited_index, unification_queue.
7760         (scc_visit): Deal with union-find we do now.
7761         Deal with cycles with REF nodes.
7762         (collapse_nodes): Renamed and rewritten to ...
7763         (unify_nodes): This.
7764         (process_unification_queue): Removed.
7765         (topo_visit): Cleanup
7766         (do_da_constraint): Use find.
7767         (do_sd_constraint): Ditto.
7768         (do_ds_constraint): Ditto.
7769         (do_complex_constraint): Ditto.
7770         (init_scc_info): Update for removed and added members.
7771         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7772         (find_indirect_cycles): This.
7773         (equivalence_class): New variable.
7774         (label_visit): New function.
7775         (perform_variable_substitution): Rewritten.
7776         (free_var_substitution_info): New function.
7777         (find_equivalent_node): Ditto.
7778         (move_complex_constraints): Ditto.
7779         (eliminate_indirect_cycles): Ditto.
7780         (solve_graph): Only propagate changed bits.
7781         Use indirect cycle elimination.
7782         Use find.
7783         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7784         (tree_id_eq): Renamed to ...
7785         (tree_vi_eq): This. Update for member change
7786         (insert_id_for_tree): Renamed and rewritten to ...
7787         (insert_vi_for_tree): This.
7788         (lookup_id_for_tree): Renamed and rewritten to ...
7789         (lookup_vi_for_tree): This.
7790         (get_id_for_tree): Renamed and rewritten to ...
7791         (get_vi_for_tree): Ditto.
7792         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7793         (process_constraint): Don't handle INCLUDES.
7794         Remove special ADDRESSOF case.
7795         (find_func_aliases): Rewrite to use vi functions instead of id
7796         ones.
7797         (create_function_info_for): Ditto.
7798         (create_variable_info_for): Ditto.
7799         (intra_create_variable_infos): Ditto.
7800         (merge_smts_into): Ditto.
7801         (find_what_p_points_to): Ditto.
7802         (init_base_vars): Ditto.
7803         (init_alias_vars): Ditto.
7804         (remove_preds_and_fake_succs): New function.
7805         (dump_sa_points_to_info): Dump new stats.
7806         (dump_solution_for_var): Use find.
7807         (set_used_smts): Fix formatting.
7808         (compute_points_to_sets): Updated for new functions.
7809         (ipa_pta_execute): Ditto.
7811 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7812             Richard Sandiford  <richard@codesourcery.com>
7814         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7815         parallels.
7816         * calls.c (expand_call): If the return value is a PARALLEL,
7817         extract its first member.
7818         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7819         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7820         use FUNCTION_EXTRA_EPILOGUE.
7821         (m68k_function_value): Return a PARALLEL if the return value
7822         is of a pointer type.
7823         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7824         (FUNCTION_EXTRA_EPILOGUE): Remove.
7825         * config/m68k/m68k.md (D0_REG): New constant.
7827 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7829         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7830         output a NOP for empty epilogues.
7832 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7834         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
7835         before function.  Extend register save check to include all
7836         registers, not just integer ones.
7838 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7840         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
7841         (m68k_use_return_insn): ...this.
7842         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
7843         * config/m68k/m68k.c (use_return_insn): Rename to...
7844         (m68k_use_return_insn): ...this.
7845         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
7846         of USE_RETURN_INSN.
7848 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7850         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
7851         nearest even, fix denormal rounding overflow.
7853 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7855         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
7856         f%$smove and f%$move.
7857         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
7858         (extendsfdf2_cf): Use fdmove instead of f%&move.
7859         (truncdfsf2_cf): Use fsmove instead of f%$smove.
7860         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
7862 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7864         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
7865         GPR<-GPR moves.
7867 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7869         * real.h (real_format): Add a canonical_nan_lsbs_set field.
7870         (coldfire_single_format): Declare.
7871         (coldfire_double_format): Likewise.
7872         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
7873         of qnan_msb_set to determine the lower bits of a canonical
7874         NaN significand.
7875         (encode_ieee_double): Likewise.
7876         (encode_ieee_quad): Likewise.
7877         (ieee_single_format): Initialize canonical_nan_lsbs_set.
7878         (mips_single_format): Likewise.
7879         (ieee_double_format): Likewise.
7880         (mips_double_format): Likewise.
7881         (ieee_extended_motorola_format): Likewise.
7882         (ieee_extended_intel_96_format): Likewise.
7883         (ieee_extended_intel_128_format): Likewise.
7884         (ieee_extended_intel_96_round_53_format): Likewise.
7885         (ibm_extended_format): Likewise.
7886         (mips_extended_format): Likewise.
7887         (ieee_quad_format): Likewise.
7888         (mips_quad_format): Likewise.
7889         (vax_f_format): Likewise.
7890         (vax_d_format): Likewise.
7891         (vax_g_format): Likewise.
7892         (i370_single_format): Likewise.
7893         (i370_double_format): Likewise.
7894         (decimal_single_format): Likewise.
7895         (decimal_double_format): Likewise.
7896         (decimal_quad_format): Likewise.
7897         (c4x_single_format): Likewise.
7898         (c4x_extended_format): Likewise.
7899         (real_internal_format): Likewise.
7900         (coldfire_single_format): New real_format.
7901         (coldfire_double_format): Likewise.
7902         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
7903         canonical_nan_lsbs_set.
7904         (pdp11_d_format): Likewise.
7905         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
7906         if TARGET_COLDFIRE_CPU.
7908 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7910         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
7911         (output_call, m68k_legitimize_call_address): Declare.
7912         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
7913         parenthesees.  Add support for a 'W' constraint.
7914         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
7915         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
7916         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
7917         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
7918         variables.
7919         (override_options): Initialize them.  Do not set flag_no_function_cse
7920         for TARGET_ID_SHARED_LIBRARY.
7921         (m68k_output_pic_call): Delete.
7922         (m68k_legitimize_call_address): New function.
7923         (print_operand): Remove the %o prefix.  Handle the %p prefix.
7924         (output_call): New function.
7925         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
7926         target address from the GOT if symbolic jumps are not allowed.
7927         * config/m68k/m68k.md (call, general_operand): Do not set
7928         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
7929         Merge separate flag_pic and !flag_pic define_insns into...
7930         (*call, *call_value): ...these new patterns.  Match the address
7931         rather than the containing MEM and require it to be a call_operand.
7932         Use output_call to generate the asm template.
7933         * config/m68k/predicates.md (const_call_operand): New predicate.
7934         (call_operand): Likewise.
7936 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7938         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
7939         (STACK_GROWS_DOWNWARD): Define to 1.
7940         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
7941         comments, emphasizing that these values are only defaults.
7942         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
7943         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
7945 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7947         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
7949 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7950             Richard Sandiford  <richard@codesourcery.com>
7952         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7953         (FP_REGNO_P): New macros.
7954         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7955         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7956         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7957         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7959 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7961         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7962         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7963         to $tmake_file.
7964         * config/m68k/t-floatlib: New file, extracting common code from...
7965         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7966         * config/m68k/t-uclinux: Here.
7967         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7968         routines on ColdFire targets.
7970 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7972         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7973         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7974         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7975         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7976         explicitly set MOTOROLA to 1.
7977         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7979 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7980             Nathan Sidwell  <nathan@codesourcery.com>
7982         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7983         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7984         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7985         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7986         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7987         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7988         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7989         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7990         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7991         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7992         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7993         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7994         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7995         (DBX_REGISTER_NUMBER): Delete.
7996         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7997         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7998         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8000 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8002         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8003         * config/flat.h: New file.
8004         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8005         OBJECT_FORMAT_FLAT.
8006         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8007         indirect references for -msep-data or -mid-shared-library.
8008         Do not use PC-relative code addresses either.
8009         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8010         to -mpcrel.
8011         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8012         for shared libraries and crt1.o for executables.  Use crti.o and
8013         crtbegin.o.
8014         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8015         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8016         Do not add -elf2flt or -shared-lib-id options here.
8017         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8018         Pass -shared-lib-id if -mid-shared-library, taking the library
8019         identifier from -mshared-library-id if given, otherwise
8020         defaulting to 0.
8021         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8022         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8023         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8024         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8025         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8026         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8027         and crtend.o.
8028         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8029         jump sequence for ISA A and ISA A+.
8030         (PICJUMP): Likewise.
8032 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8034         * config.gcc (m68k-*-uclinux*): Base the port on the common
8035         and m68k GNU/Linux files rather than on the generic ELF ones.
8036         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8037         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8039 2007-01-18  Julian Brown  <julian@codesourcery.com>
8040             Richard Sandiford  <richard@codesourcery.com>
8042         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8043         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8044         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8045         before redefining.
8046         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8047         80 unconditionally.
8048         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8050 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8052         * doc/install.texi: Document m68k-uclinuxoldabi.
8053         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8054         * config/m68k/uclinux-oldabi.h: New file, copied from
8055         config/m68k/uclinux.h.
8057 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8059         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8060         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8061         (m32r_compute_frame_size): Use unsigned for regno.
8062         (m32r_reload_lr): Use gen_frame_mem.
8063         (pop): New.
8064         (m32r_output_function_epilogue): Don't output the function epilogue
8065         textually here.
8066         (m32r_expand_epilogue): New.
8067         (direct_return): Return false if the function has the interrupt
8068         attribute.
8069         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8070         * config/m32r/m32r.md (epilogue): New expander.
8071         (return_lr, return_rte): New insns.
8072         (return): Make it expander.
8073         (return_normal): New expander.
8075 2007-01-18  Josh Conner  <jconner@apple.com>
8077         PR target/30485
8078         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8079         support for UNLE, UNLT, UNGE, and UNGT.
8081 2007-01-18  Jan Hubicka  <jh@suse.cz>
8083         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8084         * tree-tailcall (add_virtual_phis): Likewise.
8085         (optimize_tail_call): Return TODOs.
8086         (execute_tail_calls): Return TODOs.
8087         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8088         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8089         changed.
8090         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8091         Cleanup cfg using TODO.
8092         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8093         * passes.c (execute_function_todo): When cleanup did something, remove
8094         unused locals.
8095         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8096         (make_edges): Don't cleanup_cfg.
8098 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8100         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8101         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8102         operate on the top of stack.
8103         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8104         register handling of instructions that output to the second
8105         stack slot.
8106         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8107         (move_for_stack_reg): Special-case check for dead destination
8108         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8110         * config/i386/i386.md (UNSPEC_TAN): New constant.
8111         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8112         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8113         to correctly model move of constant 1.0 to top stack slot.
8114         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8115         (unnamed peephole2 pattern): Remove corresponding peephole2
8116         pattern that optimizes tan insn and loading of constant 1.0.
8117         (tanxf2): Use fptanxf4_i387.
8118         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8119         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8120         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8121         disable patterns for SSE math.
8122         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8123         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8125 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8126             Richard Guenther <rguenther@suse.de>
8128         PR diagnostic/8268
8129         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8130         * common.opt (Warray-bounds): Add new warning option.
8131         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8132         if -Wall is given.
8133         * Makefile.in: make tree-vrp.o depend on toplev.h
8134         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8135         is enabled.
8136         (check_array_refs, check_array_bounds, check_array_ref): New.
8138 2007-01-18  Jan Hubicka  <jh@suse.cz>
8140         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8141         (execute_ssa_ccp): Return flags conditionally.
8142         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8143         changed.
8144         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8146 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8148         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8149         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8151         * Makefile.c (GTFILES): Add cfglayout.h.
8152         * gengtype.c (open_base_files): Likewise.
8153         * cfglayout.c (cfg_layout_function_footer,
8154         cfg_layout_function_header) Reindent to make gengtype happy.
8155         * cfglayout.h (cfg_layout_function_footer,
8156         cfg_layout_function_header): Add GTY(()) marker.
8158         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8160 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8162         * genautomata.c (write_automata): Include xstrerror output in the
8163         error message if writing the DFA description file fails.
8165 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8167         * config/mips/mips-protos.h (mips_output_external): Make it
8168         return void.
8169         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8170         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8171         (extern_list): Likewise.
8172         (extern_head): Likewise.
8173         (TARGET_ASM_FILE_END): Likewise.
8174         (mips_file_end): Likewise.
8175         (mips_output_external): Rewritten.
8177 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8179         * genpreds.c (write_insn_preds_c): Only write out the function
8180         body for regclass_for_constraint if we have register constraints.
8182 2007-01-17  Tom Tromey  <tromey@redhat.com>
8184         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8185         * doc/install.texi (Testing): Use sourceware.org.
8186         (Binaries): Likewise.
8187         (Specific): Likewise.
8188         * doc/contrib.texi (Contributors): Use sourceware.org.
8190 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8192         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8193         (AVR_ENHANCED): Rename to ...
8194         (AVR_HAVE_MUL): ... new.
8195         (avr_enhanced_p): Rename to ...
8196         (avr_have_mul_p): ... new.
8197         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8198         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8199         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8200         (avr_have_mul_p): ... new.
8201         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8202         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8203         'avr_enhanced_p' and 'enhanced'.
8204         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8205         AVR_HAVE_MUL instead of AVR_ENHANCED.
8206         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8207         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8208         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8209         instead of AVR_ENHANCED.
8210         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8211         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8212         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8214 2007-01-17  Ian Lance Taylor  <iant@google.com>
8216         * vec.h (VEC_reserve_exact): Define.
8217         (vec_gc_p_reserve_exact): Declare.
8218         (vec_gc_o_reserve_exact): Declare.
8219         (vec_heap_p_reserve_exact): Declare.
8220         (vec_heap_o_reserve_exact): Declare.
8221         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8222         versions.
8223         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8224         negative parameter.
8225         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8226         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8227         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8228         * vec.c (calculate_allocation): Add exact parameter.  Change all
8229         callers.
8230         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8231         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8232         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8233         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8234         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8235         (vec_heap_p_reserve_exact): New function.
8236         (vec_heap_o_reserve_exact): New function.
8238 2007-01-17  Jan Hubicka  <jh@suse.cz>
8240         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8242 2007-01-17  Eric Christopher  <echristo@apple.com>
8244         * config.gcc: Support core2 processor.
8246 2007-01-16  Jan Hubicka  <jh@suse.cz>
8248         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8249         the names, just unlink the chain so we don't crash on dangling pointers
8250         to dead SSA names.
8252 2007-01-16  Jan Hubicka  <jh@suse.cz>
8254         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8255         * tree-pass.h: Reorder to make IPA passes appear toegher.
8256         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8257         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8258         parameters, do not call early inliner.
8259         * ipa-inline.c: Update comments.  Include tree-flow.h
8260         (cgraph_decide_inlining): Do not compute inlining parameters.
8261         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8262         be called with function context set up.
8263         (pass_ipa_inline): Remove unreachable functions before pass.
8264         (cgraph_early_inlining): Simplify assuming to be called from the
8265         PM as local pass.
8266         (pass_early_inline): New pass.
8267         (cgraph_gate_ipa_early_inlining): New gate.
8268         (pass_ipa_early_inline): Turn into simple wrapper.
8269         (compute_inline_parameters): New function.
8270         (gate_inline_passes): New gate.
8271         (pass_inline_parameters): New pass.
8272         (apply_inline): Move here from tree-optimize.c
8273         (pass_apply_inline): New pass.
8274         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8275         transforming.
8276         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8277         doing them by hand.
8278         (tree_function_versioning): Do not allocate dummy struct function.
8279         * tree-inline.h (optimize_inline_calls): Update prototype.
8280         * tree-optimize.c (execute_fixup_cfg): Export.
8281         (pass_fixup_cfg): Remove
8282         (tree_rest_of_compilation): Do not apply inlines.
8283         * tree-flow.h (execute_fixup_cfg): Declare.
8284         * Makefile.in (gt-passes.c): New.
8285         * passes.c: Include gt-passes.h
8286         (init_optimization_passes): New passes.
8287         (nnodes, order): New static vars.
8288         (do_per_function_toporder): New function.
8289         (execute_one_pass): Dump current pass here.
8290         (execute_ipa_pass_list): Don't dump current pass here.
8292 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8294         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8295         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8297 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8299         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8300         (strong_alias): Define.
8301         (__gcc_qmul): Provide non-FMA for soft-float.
8302         (__gcc_qdiv): Same.
8303         (__gcc_qneg): New.
8304         (__gcc_qeq): New.
8305         (__gcc_qle): New.
8306         (__gcc_qge): New.
8307         (__gcc_qunord): New.
8308         (__gcc_stoq): New.
8309         (__gcc_dtoq): New.
8310         (__gcc_qtos): New.
8311         (__gcc_qtod): New.
8312         (__gcc_qtoi): New.
8313         (__gcc_qtou): New.
8314         (__gcc_itoq): New.
8315         (__gcc_utoq): New.
8316         (fmsub): New.
8317         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8318         soft-float functions.
8319         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8320         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8321         about long double soft float.
8323 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8324             Tehila Meyzels  <tehila@il.ibm.com>
8326         * tree-vectorizer.h (is_pattern_stmt_p): New.
8327         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8328         formatting (tabs instead of spaces). Cleanup and clarify setting
8329         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8330         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8331         (vectorizable_type_demotion): Check that types are integral.
8332         (vectorizable_type_promotion): Likewise.
8333         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8334         comments.
8336 2007-01-16  Jan Hubicka  <jh@suse.cz>
8338         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8339         cgraph edges too.
8341 2007-01-15  Eric Christopher  <echristo@apple.com>
8343         * ifcvt.c: Include vec.h, vecprim.h.
8344         (check_cond_move_block): New argument regs.
8345         Reorganize. Add registers used to regs.
8346         (cond_move_process_if_block): Use regs set above as
8347         loop bounds.
8349 2007-01-15  Eric Christopher  <echristo@apple.com>
8351         * config/darwin.h: Update copyright.
8352         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8353         (LINK_COMMAND_SPEC): Add -u.
8354         (LINK_SPEC): Fix umbrella for above.
8356 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8358         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8359         glibc CVS.
8361 2007-01-15  Tom Tromey  <tromey@redhat.com>
8363         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8364         * doc/install.texi (Testing): Don't mention jacks.
8365         (Configuration): Document --enable-java-maintainer-mode.  Move
8366         --with-java-home to libgcj-specific section.  Document
8367         --with-ecj-jar.
8368         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8370 2007-01-15  Jan Hubicka  <jh@suse.cz>
8372         * tree-ssa-dce.c (DCE_TODOs): New.
8373         (propagate_necessity): Return if something changed.
8374         (eliminate_unnecessary_stmts): Likewise.
8375         (perform_tree_ssa_dce): Return TODO flags when needed.
8376         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8378 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8380         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8381         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8382         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8383         patterns using X87MODEF12 mode macro.  Extend operand 1
8384         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8385         (log10<mode>2): Ditto.
8386         (log2<mode>2): Ditto.
8387         (log1p<mode>2): Ditto.
8388         (logb<mode>2): Ditto.
8389         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8390         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8391         (*fxtractxf3_i387): Rename from *fxtractxf3.
8392         (fxtract_extend<mode>xf3_i387): New insn pattern.
8393         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8394         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8395         and gen_fyl2xxf3_i387().
8397 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8399         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8400         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8401         get_loop_exit_edges.  Changed return type to bool.
8402         * cfgloop.h (fix_loop_placement): Declaration removed.
8404 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8406         * param.h (MIN_VECT_LOOP_BOUND): New.
8407         * params.def (MIN_VECT_LOOP_BOUND): New.
8408         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8409         argument - minimum threshold for number of iterations.
8410         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8411         argument to declaration.
8412         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8413         MIN_VECT_LOOP_BOUND.
8414         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8415         slpeel_tree_peel_loop_to_edge with additional argument.
8416         (vect_do_peeling_for_alignment): Likewise.
8417         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8419 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8421         PR target/30413
8422         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8423         operands of size 1.
8425 2007-01-14  Jan Hubicka  <jh@suse.cz>
8427         * tree-dfa.c (remove_referenced_var): New function.
8428         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8429         prune referenced vars list too.
8430         * tree-flow.h (remove_referenced_var): Declare.
8432 2007-01-14  Jan Hubicka  <jh@suse.cz>
8434         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8435         separately.
8436         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8437         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8438         * except.h (verify_eh_throw_table_statements): Kill prototype.
8439         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8440         into call exrepssions.
8441         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8442         eh trhow verifier.
8443         * tree-cfg.c: Include pointer-set.h.
8444         (verify_node_sharing): Work on pointer set.
8445         (verify_eh_throw_stmt_node): New.
8446         (verify_stmts): Use pointers sets, verify throw_stmt.
8448 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8450         * ipa-reference.c (analyze_function): Consider also addresses taken
8451         in phi nodes.
8453 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8455         * c-typeck.c (null_pointer_constant_p): Replace use of
8456         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8457         (build_c_cast): Likewise.
8459 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8461         * tree.h (force_fit_type_double): Remove unused final argument.
8462         * c-common.c (constant_expression_warning): Replace use of
8463         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8464         (convert_and_check): Likewise.
8465         (shorten_compare): Update call to force_fit_type_double.
8466         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8467         * convert.c (convert_to_pointer): Update call to
8468         force_fit_type_double.
8469         * fold-const.c (force_fit_type_double): Remove overflowed_const
8470         argument.
8471         (int_const_binop, fold_convert_const_int_from_int,
8472         fold_convert_const_int_from_real, fold_div_compare,
8473         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8474         fold_abs_const, fold_not_const): Remove the final argument from
8475         calls to force_fit_type_double.
8477 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8479         * configure.ac: Set insn to "nop" for spu-*-* also.
8480         * configure: Regenerate.
8482 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8484         * builtins.def : Add BUILT_IN_FREE.
8486 2007-01-12  Jan Hubicka  <jh@suse.cz>
8488         PR tree-optimization/30443
8489         * tree-inline.c (tree_function_versioning): Do not optimize when
8490         cloning for inlining.
8492 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8494         * doc/loop.texi: Document recording of loop exits.
8495         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8496         (update_single_exits_after_duplication,
8497         update_single_exit_for_duplicated_loop,
8498         update_single_exit_for_duplicated_loops): Removed.
8499         (duplicate_loop_to_header_edge): Do not call
8500         update_single_exits_after_duplication and
8501         update_single_exit_for_duplicated_loops.
8502         (loop_version): Do not update single_exit information.
8503         (fix_loop_structure): Use record_loop_exits instead of
8504         mark_single_exit_loops.
8505         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8506         the lists of loop exits.
8507         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8508         split_edge, merge_blocks): Update the lists of loop exits.
8509         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8510         loop_optimizer_init.
8511         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8512         of mark_single_exit_loops.
8513         (loop_optimizer_finalize): Call release_recorded_exits.
8514         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8515         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8516         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8517         update single exit information.
8518         * lambda-code.c (perfect_nestify): Ditto.
8519         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8520         (mark_single_exit_loops): Removed.
8521         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8522         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8523         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8524         functions.
8525         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8526         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8527         (verify_loop_structure): Verify consistency of the exit lists.
8528         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8529         (set_single_exit): Removed.
8530         * cfgloop.h (struct loop_exit): New function.
8531         (struct loop): single_exit_ field replaced by exits field.
8532         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8533         (struct loops): Added exits hash.
8534         (mark_single_exit_loops, set_single_exit): Declaration removed.
8535         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8537 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8539         * doc/invoke.texi: Avoid use of @headitem.
8541 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8543         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8545 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8547         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8548         list of targets.
8550 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8551             Richard Sandiford  <richard@codesourcery.com>
8553         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8554         * config/m68k/m68k.opt: Resort options.
8555         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8557 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8558             Richard Sandiford  <richard@codesourcery.com>
8560         * doc/invoke.texi: Document the macros that are defined by
8561         m68k's -mtune and -mhard-float options.
8562         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8563         (m68k_cpp_cpu_family): Likewise.
8564         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8565         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8566         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8567         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8568         (m68k_cpp_cpu_family): Likewise.
8570 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8572         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8573         macros besides mc68000 as tuning macros.  Use a switch statement
8574         to set them and mcpu32.
8576 2007-01-12  Julian Brown  <julian@codesourcery.com>
8578         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8579         (TARGET_68040_ONLY): Rename to...
8580         (TARGET_68040): ...this.
8581         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8582         * config/m68k/m68k.md: Likewise.
8584 2007-01-12  Julian Brown  <julian@codesourcery.com>
8585             Nathan Sidwell  <nathan@codesourcery.com>
8586             Richard Sandiford  <richard@codesourcery.com>
8588         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8589         the -mcpu= argument associated with the --with-cpu setting.
8590         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8591         if different from the one implied by the -mcpu setting.
8592         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8593         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8594         * doc/invoke.texi: Mention ColdFire in the introduction to the
8595         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8596         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8597         -mhard-float.  Document the previously-undocumented -m5206e,
8598         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8599         documentation for consistency.
8600         * doc/install.texi: Mention new --with-cpu arguments.
8601         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8602         default CPU if neither -mcpu nor -march are specified.
8603         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8604         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8605         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8606         using m68k_tune to decide between families that implement the
8607         same ISA.  Use m68k_tune to set __mcfv4e__.
8608         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8609         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8610         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8611         (FL_ISA_C, FL_ISA_MMU): New macros.
8612         (MASK_COLDFIRE): Delete.
8613         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8614         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8615         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8616         (TARGET_HARD_FLOAT): Do not define here.
8617         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8618         (TUNE_68000): New macro.
8619         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8620         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8621         (TUNE_CFV2): Redefine in terms of m68k_tune.
8622         (uarch_type, target_device, fpu_type): New enums.
8623         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8624         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8625         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8626         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8627         (FL_FOR_isa_c): New macros.
8628         (m68k_isa): New enum.
8629         (m68k_target_selection): New structure.
8630         (all_devices, all_isas, all_microarchs): New tables.
8631         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8632         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8633         (MASK_ALL_CPU_BITS): Delete.
8634         (m68k_find_selection): New function.
8635         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8636         Map the legacy target options to a combination of the new ones.
8637         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8638         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8639         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8640         settings.
8641         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8642         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8643         properties.
8644         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8645         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8646         * config/m68k/m68k-devices.def: New file.
8648 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8649             Nathan Sidwell  <nathan@codesourcery.com>
8651         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8652         (SUBTARGET_EXTRA_SPECS): New macros.
8653         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8654         use %(asm_cpu_spec) instead.
8655         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8656         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8657         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8658         (EXTRA_SPECS): Rename to...
8659         (SUBTARGET_EXTRA_SPECS): ...this.
8661 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8662             Richard Sandiford  <richard@codesourcery.com>
8663             Julian Brown  <julian@codesourcery.com>
8665         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8666         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8667         to the configuration's default CPU.
8668         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8669         Remove default masks.
8670         (m680[012]0-*-*): Set the default with_cpu to the first part of
8671         the target name.
8672         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8673         (m68k*-*-linux): Extend the --with-cpu handling to...
8674         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8675         and m68010.  Don't set target_cpu_default2.
8676         * doc/install.texi: Document --with-cpu for m68k.
8677         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8678         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8679         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8680         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8681         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8682         (ASM_SPEC): Remove use of %(asm_cpu_default).
8683         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8684         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8685         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8686         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8687         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8688         (TARGET_DEFAULT): Delete.
8689         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8690         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8691         (CPP_CPU_SPEC): Delete.
8692         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8693         the appropriate string.
8694         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8695         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8696         (ASM_SPEC): Don't use %(asm_default_spec).
8697         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8698         TARGET_DEFAULT and add MASK_68881.
8699         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8701 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8703         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8704         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8705         MASK_68010 alongside MASK_68020.
8706         * doc/invoke.texi: Document -m68010.
8707         * config/m68k/m68k.opt (m68010): New.
8708         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8709         if TUNE_68010.
8710         (TUNE_68010): New macro.
8711         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8712         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8713         (M68K_CPU_m68332): Add MASK_68010.
8714         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8715         fallback definition.
8716         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8717         defines.
8718         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8719         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8720         to all entries that use MASK_68020.
8721         (output_move_simode_const, output_move_himode, output_move_qimode)
8722         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8723         instead of TARGET_68020 to select clr behavior.  Remove comment
8724         about there being no TARGET_68010.
8725         * config/m68k/m68k.md: Likewise throughout.
8727 2007-01-12  Julian Brown  <julian@codesourcery.com>
8729         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8730         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8731         * config/m68k/m68k.md: Likewise.
8733 2007-01-12  Julian Brown  <julian@codesourcery.com>
8735         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8736         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8738 2007-01-12  Julian Brown  <julian@codesourcery.com>
8740         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8741         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8742         * config/m68k/m68k.md: Likewise.
8744 2007-01-12  Julian Brown  <julian@codesourcery.com>
8745             Richard Sandiford  <richard@codesourcery.com>
8747         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8748         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8749         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8750         TARGET_CPU32.
8751         (TARGET_CPU32): Rename to...
8752         (TUNE_CPU32): ...this.
8753         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8754         (TUNE_CFV2): New macros.
8755         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8756         remove conditions that are implied by TARGET_68020.
8757         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8758         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8759         (m68k_output_function_epilogue): Likewise.
8760         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8761         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8762         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8763         non-68000 timings.  Refactor multiplication and division costs.
8764         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8765         TUNE_CPU32 instead of TARGET_CPU32.
8766         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8767         and TUNE_68060 instead of TARGET_68060.
8768         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8769         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8770         TARGET_CPU32.
8771         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8772         && !TARGET_COLDFIRE" to choose between moveq and clr.
8773         Likewise in the unnamed movsf pattern.
8774         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8775         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8776         ashiftrt pattern.
8778 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8780         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8781         of tabbing before backslashes.
8783 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8785         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8786         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8787         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8789 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8791         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8792         find_interesting_uses_cond.
8793         (find_interesting_uses_cond): Use extract_cond_operands.
8794         (rewrite_use_compare): Use extract_cond_operands and
8795         force_gimple_operand_bsi.  Do not call update_stmt.
8796         (determine_use_iv_cost_condition): Use extract_cond_operands.
8797         Return cheaper of using original bound and changing the exit bound.
8799 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8801         PR tree-optimization/29516
8802         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8803         most_expensive_mult_to_index, addr_to_parts,
8804         create_mem_ref, maybe_fold_tmr): Make the type of
8805         fields of TARGET_MEM_REF sizetype.
8806         (move_fixed_address_to_symbol, move_pointer_to_base):
8807         New functions.
8808         * tree.def (TARGET_MEM_REF): Add comment on types of
8809         the operands.
8811 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8813         * c-common.c (vector_types_convertible_p): Treat opaque types as
8814         always convertible if they have the same size, but not otherwise.
8816 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8818         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8819         Remove the b_unconditional field.
8820         (noce_try_sign_mask): Do not look at b_unconditional.
8821         (noce_process_if_block): Do not use merge_if_blocks.  Update
8822         the CFG here.  Do not set b_unconditional.
8823         (cond_move_process_if_block): Likewise.
8824         (find_cond_trap): Likewise.
8825         (check_cond_move_block): Require simple jump insns at the end
8826         of the basic block.
8828 2007-01-11  Jan Hubicka  <jh@suse.cz>
8830         PR tree-optimization/1046
8831         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8832         when alias info is not ready.
8833         (pass_tail_recursion): Do not require aliasing.
8834         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
8835         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
8836         * tree-ssa-copy.c (pass_copy_prop): Likewise.
8837         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
8838         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
8839         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
8840         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
8841         before inlining.
8842         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
8843         When aliasing is not build, mark statement as volatile.
8845 2007-01-11  Tom Tromey  <tromey@redhat.com>
8847         PR preprocessor/15185, PR preprocessor/20989:
8848         * doc/cppopts.texi <-MT>: Update description of algorithm for
8849         computing default target.
8850         <-M, -MD>: Reword "basename" text.
8852 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8854         * builtins.c (expand_builtin_pow, expand_builtin_powi,
8855         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
8856         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8857         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
8858         fold_builtin_bswap, real_constp, fold_builtin_pow,
8859         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
8860         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
8861         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8862         * convert.c (convert_to_pointer): Likewise.
8863         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
8864         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
8865         const_binop, fold_convert_const_int_from_int,
8866         fold_convert_const_int_from_real,
8867         fold_convert_const_real_from_real, sign_bit_p,
8868         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
8869         fold_sign_changed_comparison, fold_unary, fold_comparison,
8870         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
8871         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8872         * print-tree.c (print_node_brief, print_node): Likewise.
8873         * stor-layout.c (place_field, layout_type): Likewise.
8874         * tree-chrec.c (keep_cast): Likewise.
8875         * tree.c (build_vector, build_real, build_real_from_int_cst,
8876         build_complex): Likewise.
8878 2007-01-11  Roger Sayle  <roger@eyesopen.com>
8880         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
8881         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
8883 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
8885         * configure.ac (strict1_warn): Rename to strict_warn.
8886         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
8887         cc_set_by_configure, quoted_cc_set_by_configure,
8888         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
8889         all_boot_languages, all_stagestuff): Remove.
8890         (target_list): Remove bootstrap targets.
8891         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
8892         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
8893         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
8894         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
8895         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
8896         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
8897         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
8898         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
8899         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
8900         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
8901         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
8902         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
8903         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
8904         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
8905         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
8906         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
8907         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
8908         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
8909         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
8910         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
8911         (mostlyclean): Adjust.
8912         (clean, distclean): Don't mention bootstrap stuff.
8913         * configure: Regenerate.
8914         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
8915         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
8916         treelang/config-lang.in (stagestuff): Remove.
8917         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
8918         stageprofile, stagefeedback, stagestuff): Remove mention.
8920 2007-01-11  Nick Clifton  <nickc@redhat.com>
8922         * config/mcore/predicates.md (mcore_general_movesrc_operand):
8923         Accept CONSTs.
8924         (mcore_general_movdst_operand): Do not accept CONST_INTs.
8925         (mcore_arith_K_S_operand): Run the test for the S constraint not
8926         the test for the M constraint.
8927         (mcore_addsub_operand): Do not accept integer values that are
8928         larger than 32 bits.
8929         * config/mcore/mcore.md: Remove unused constraints from split.
8930         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
8931         (addsi3): Likewise.
8932         (allocate_stack): Likewise.
8933         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
8934         operands to 32 bits.
8935         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
8936         INTVAL.
8937         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
8938         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
8939         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
8940         mcore_output_bclri, mcore_output_andn, output_inline_const,
8941         mcore_output_move, mcore_output_movedouble): Likewise.
8942         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
8943         (output_inline_const): Likewise.
8944         (output_inline_const): Fix format strings used in sprintf
8945         statements.
8946         * config/mcore/mcore-protos.h: Update prototypes for changed
8947         functions in mcore.c.
8948         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
8949         HOST_WIDE_INT and not int.
8950         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
8951         CONST_OK_FOR_N): Likewise.
8952         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8953         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8954         an INTVAL.
8956 2007-01-10  Jan Hubicka  <jh@suse.cz>
8958         * tree-vrp.c (remove_range_assertions): Release defs.
8959         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8960         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8962 2007-01-10  Paul Brook  <paul@codesourcery.com>
8964         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8965         * config/arm/arm.md (mulsi3subsi): New insn.
8967 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8969         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8970         (tree_transform_and_unroll_loop): New.
8971         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8972         Declare.
8974 2007-01-10  Robert Kennedy <jimbob@google.com>
8976         * fold-const.c (fold_comparison): Fold comparisons like (x *
8977         1000 < 0) to (x < 0).
8979 2007-01-10  Ian Lance Taylor  <iant@google.com>
8981         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8982         operands have the same priority.
8984 2007-01-10  Tom Tromey  <tromey@redhat.com>
8986         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8987         (fold_binary): Likewise.
8988         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8989         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8990         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8991         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8992         * langhooks.h (struct lang_hooks): Removed field
8993         'can_use_bit_fields_p'.
8995 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8997         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8999 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9001         * function.c (get_last_funcdef_no): New function.
9002         * function.h (get_last_funcdef_no): Declare.
9003         * tree-inline.c (initialize_cfun): Add initialization.
9004         (tree_function_versioning): Cleanup.
9006 2007-01-10  Jan Hubicka  <jh@suse.cz>
9008         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9009         PHIs.
9011 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9012             Ben Elliston  <bje@au.ibm.com>
9014         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9015         for SAVE_NONLOCAL and Pmode for any other save level.
9016         * spu-protos.h (spu_restore_stack_block): Declare.
9017         * spu.md (save_stack_block): Remove.
9018         (restore_stack_block): Call spu_restore_stack_block.
9019         * spu.c (spu_restore_stack_block): New function.
9020         (spu_expand_epilogue): Remove old comment.
9022 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9024         PR tree-optimization/30322
9025         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9026         (cand_value_at): Return the value as aff_tree.
9027         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9028         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9029         aff_combination_mult): New functions.
9030         (aff_combination_add): Use aff_combination_add_cst.
9031         (aff_combination_convert): Allow conversions to a wider type.
9032         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9033         * tree-affine.h (aff_combination_mult): Declare.
9035 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9037         * doc/tm.texi: Update documentation to reflect reality of exec
9038         and start file search behaviours. Update copyright year.
9039         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9040         header file directories.
9042 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9044         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9045         (*cosxf2): Rename to cosxf2_i387.
9046         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9047         using X87MODEF12 mode macro. Rename patterns to
9048         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9049         for SSE math.
9050         (*cosdf2, *cossf2): Ditto.
9051         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9052         to match extended input operands.
9053         (sincos<mode>3): New expander.
9054         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9055         insn patterns and corresponding splitters.
9057 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9059         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9060         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9062 2007-01-09  Nicolas Pitre  <nico@cam.org>
9064         PR target/30173
9065         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9067 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9069         * target.h (struct gcc_target): New field library_rtti_comdat.
9070         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9071         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9072         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9073         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9075 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9077         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9079 2007-01-08  Richard Guenther  <rguenther@suse.de>
9081         * tree.h (force_fit_type_double): Export.
9082         (force_fit_type): Remove.
9083         * fold-const.c (force_fit_type_double): New function.
9084         (force_fit_type): Remove.
9085         (int_const_binop): Use it.
9086         (fold_convert_const_int_from_int): Likewise.
9087         (fold_convert_const_int_from_real): Likewise.
9088         (fold_div_compare): Likewise.
9089         (fold_sign_changed_comparison): Likewise.
9090         (fold_unary): Likewise.
9091         (fold_negate_const): Likewise.
9092         (fold_abs_const): Likewise.
9093         (fold_not_const): Likewise.
9094         * c-common.c (shorten_compare): Use force_fit_type_double.
9095         * convert.c (convert_to_pointer): Likewise.
9097 2007-01-08  Richard Guenther  <rguenther@suse.de>
9099         * tree.h (build_int_cst_wide_type): Export.
9100         * tree.c (build_int_cst_wide_type): New function.
9101         (build_int_cst_wide): Fix comment.
9102         * builtins.c (fold_builtin_object_size): Use build_int_cst
9103         to build -1 or 0 of the correct type.  Use fit_double_type
9104         to check for overflow.
9105         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9106         to build the mask.
9107         (decode_field_reference): Likewise.
9108         (all_ones_mask_p): Likewise.
9109         (native_interpret_int): Use build_int_cst_wide_type.
9110         (fold_binary): Use build_int_cst_type to build an all-ones
9111         value.
9112         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9114 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9116         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9118 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9120         * genautomata.c (STATS_OPTION): New option.
9121         (stats_flag): New flag.
9122         (gen_automata_option): Handle it.
9123         (initiate_automaton_gen): Ditto.
9124         (write_automata): Output statistics only if stats_flag is
9125         set. Likewise, output time statistics only if time_flag is set.
9126         * doc/md.texi (Processor pipeline description): Document new flag.
9128 2007-01-08  Richard Guenther  <rguenther@suse.de>
9130         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9131         * tree.c (build_int_cst_type): Likewise.
9132         (size_in_bytes): Don't call force_fit_type on the result.
9133         (int_fits_type_p): Use fit_double_type.
9134         * fold-const.c (fit_double_type): New function.
9135         (force_fit_type): Use it.
9136         * tree.h (fit_double_type): Export.
9138 2007-01-08  Jan Hubicka  <jh@suse.cz>
9140         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9141         * ipa.c (function_and_variable_visibility): Fix return type.
9143 2007-01-08  Richard Guenther  <rguenther@suse.de>
9145         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9146         of offset to build the index.
9147         * tree-pretty-print.c (dump_generic_node): Don't build negated
9148         const just for printing.
9149         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9150         * builtins.c (fold_builtin_int_roundingfn): Check if result
9151         fits the type by using force_fit_type and comparing the result.
9152         * predict.c (predict_loops): Use compare_tree_int for comparison.
9153         * tree.c (build_int_cst): Fall back to integer_type_node for
9154         NULL_TREE type.
9155         (build_int_cst_wide): Assert type is non-null.
9157 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9159         * tree-vrp.c (extract_range_from_cond_expr): New.
9160         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9161         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9162         as expressions.
9163         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9164         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9165         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9166         used as expressions.
9167         * tree-object-size.c (cond_expr_object_size): New.
9168         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9170 2007-01-08  Jan Hubicka  <jh@suse.cz>
9172         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9173         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9174         statement.
9176 2007-01-08  Richard Guenther  <rguenther@suse.de>
9178         PR tree-optimization/23603
9179         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9180         (extract_range_from_binary): Fall back to truthvalue instead of
9181         varying for TRUTH_*_EXPR.
9182         (extract_range_from_comparison): Fall back to truthvalue instead of
9183         varying.
9184         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9185         if all visited PHI values were constant.
9187 2007-01-08  Jan Hubicka  <jh@suse.cz>
9189         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9190         (cgraph_analyze_function): break out from ...
9191         (cgraph_finalize_compilation_unit): ... here.
9192         (cgraph_expand_function): Remove forgoten commented out line.
9193         (cgraph_optimize): Analyze functions.
9195 2007-01-08  Jan Hubicka  <jh@suse.cz>
9197         * tree-pas.h (TODO_remove_function): New flag.
9198         (TODO_update*): Renumber.
9199         (pass_ipa_increase_alignment,
9200         pass_ipa_function_and_variable_visibility): New passes.
9201         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9202         (cgraph_function_and_variable_visibility): Move to ipa.c
9203         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9204         cgraph_increase_alignment.
9205         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9206         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9207         calling tree-inline.
9208         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9209         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9210         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9211         (gate_increase_alignment): New function.
9212         (pass_ipa_increase_alignment): New pass.
9213         * ipa.c: Inline tree-pass.h and timevar.h
9214         (function_and_variable_visibility): Move here from cgraphunit.c
9215         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9216         * passes.c (init_optimization_passes): Add the two new passes.
9217         (execute_todo): Handle cgraph_remove_functions.
9219 2007-01-08  Nick Clifton  <nickc@redhat.com>
9221         * config/frv/predicates.md (reg_or_0_operand): Accept
9222         CONST_DOUBLEs.
9224 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9226         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9227         * config.gcc: Add bfin*-rtems*.
9229 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9231         * c.opt: Add -flax-vector-conversions.
9232         * c-typeck.c (convert_for_assignment): Pass flag to
9233         vector_types_convertible_p to allow emission of note.
9234         (digest_init): Likewise.
9235         * c-opts.c: Handle -flax-vector-conversions.
9236         * c-common.c (flag_lax_vector_conversions): New.
9237         (vector_types_convertible_p): Unless -flax-vector conversions
9238         has been passed, disallow conversions between vectors with
9239         differing numbers of subparts and/or element types.  If such
9240         a conversion is disallowed, possibly emit a note on the first
9241         occasion only to inform the user of -flax-vector-conversions.
9242         The new last argument specifies this.
9243         * c-common.h (flag_lax_vector_conversions): New.
9244         (vector_types_convertible_p): Add extra argument.
9245         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9246         char_type_node for V*QI type vectors.
9247         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9248         Update to satisfy new typechecking rules.
9249         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9250         C and C++ variants.
9251         * doc/invoke.texi (C Dialect Options): Document
9252         -flax-vector-conversions.
9254 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9256         PR tree-optimization/29877
9257         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9258         a register variable on the RHS to not be replaceable.
9260 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9261         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9262         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9263         const_simm15, const_pow2, const_npow2): Added.
9264         * config/score/misc.md (insv, extv, extzv, movmemsi,
9265         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9266         * config/score/score.c (score_address_cost, score_select_cc_mode):
9267         Added.
9268         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9269         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9270         Update score_print_operand.
9271         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9272         Adjust register allocate order and update some macro define.
9273         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9274         mdx_block_move_straight, mdx_block_move_loop_head,
9275         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9276         mdx_block_move): Added.
9277         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9278         mdp_limm): Updated and fix some bug and typo.
9279         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9280         (movsf, movdf, doloop_end): Added.
9282 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9284         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9285         config/arm/thumb2.md: Fix comment typos.
9286         * doc/extend.texi: Fix a typo.
9288 2007-01-07  Eric Christopher  <echristo@apple.com>
9290         * configure.ac: Check for __stack_chk_fail for darwin.
9291         * configure: Regenerate.
9293 2007-01-07  Richard Guenther  <rguenther@suse.de>
9295         * tree-vrp.c (extract_range_from_assert): CSE calls to
9296         compare_values where possible.
9297         (extract_range_from_unary_expr): Likewise.
9299 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9301         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9302         * config/avr/avr.c (call_insn_operand): Delete function.
9303         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9304         instead of register number. Use predicates.
9305         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9306         call_insn_operand): Add.
9308 2007-01-06  Jan Hubicka  <jh@suse.cz>
9310         * tree-pass.h (pass_build_cgraph_edges): Declare.
9311         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9312         (visited_nodes): Remove.
9313         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9314         build_cgrpah_edges; make visited_nodes local.
9315         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9316         (record_references_in_initializer): Move to cgraphbuild.c
9317         (initialize_inline_failed, rebuild_cgraph_edges,
9318         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9319         (verify_cgraph_node): Make visited_nodes local.
9320         (cgraph_analyze_function): Do not call cgraph_create_edges and
9321         initialize_inline_failed.
9322         (cgraph_expand_function): Do not call cgraph_lower_function;
9323         assert that function is already lowered.
9324         * Makefile.in (cgraphbuild.o): New.
9325         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9326         at the end of lowering passes.
9328 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9330         * ifcvt.c (cond_move_convert_if_block): New function, code
9331         factored out from...
9332         (cond_move_process_if_block): ...here.  Call the new function
9333         on the THEN and ELSE blocks.
9334         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9335         already takes care of this.
9337 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9339         PR c/19978
9340         * tree.h (TREE_OVERFLOW_P): New.
9341         * c-typeck.c (parser_build_unary_op): Warn only if result
9342         overflowed and operands did not.
9343         (parser_build_binary_op): Likewise.
9344         (convert_for_assignment): Remove redundant overflow_warning.
9345         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9347 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9349         * c-typeck.c (store_init_value): Split over two lines to follow
9350         the GNU coding style.
9352 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9354         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9355         __GXX_EXPERIMENTAL_CXX0X__.
9356         * doc/cpp.texi: Same.
9358 2007-01-05  Richard Guenther  <rguenther@suse.de>
9360         PR middle-end/27826
9361         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9362         with mismatched types.  Instead explicitly build a
9363         conversion NOP_EXPR.
9365 2007-01-05  Ian Lance Taylor  <iant@google.com>
9367         * c-common.c (decl_with_nonnull_addr_p): New function.
9368         (c_common_truthvalue_conversion): Call it.
9369         * c-typeck.c (build_binary_op): Likewise.
9370         * c-common.h (decl_with_nonnull_addr_p): Declare.
9372 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9374         PR c/30360
9375         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9376         denom against 0.0.
9378 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9380         * doc/install.texi (Final install): Document the fact that
9381         the GNAT runtime should not be stripped.
9383 2007-01-04  Jan Hubicka  <jh@suse.cz>
9385         * tree-inline.c (fold_marked_statements): Update operand caches
9386         and EH after folding
9388 2007-01-04  Ian Lance Taylor  <iant@google.com>
9390         * c-common.c (check_function_nonnull): Whitespace fix.
9392 2007-01-04  Jan Hubicka  <jh@suse.cz>
9394         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9395         comitted older version of patch.
9396         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9397         function, celanup cfg and collect garbage.
9399 2007-01-04  Mike Stump  <mrs@apple.com>
9401         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9402         (clean): Likewise.
9404 2007-01-04  Eric Christopher  <echristo@apple.com>
9406         * libgcc2.c (__bswapsi2): Use SItype.
9407         (__bswapdi2): Use DItype.
9408         * libgcc2.h: Update for above.
9410 2007-01-04  Paul Brook  <paul@codesourcery.com>
9412         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9413         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9414         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9415         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9416         umulsi3_highpart): Make conditional on !arm_arch6.
9417         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9418         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9419         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9420         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9421         umulsi3_highpart_v6): New insns.
9423 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9425         * fold-const.c (fold_convert): When casting an expression to void,
9426         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9427         have a type.  Instead of attempting to build a NOP_EXPR, return
9428         these "special" trees directly.
9430 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9432         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9433         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9434         rs6000_cost->fp not 0 as adjustment for outer NEG.
9436 2007-01-04  Jan Hubicka  <jh@suse.cz>
9438         * cgraph.c (cgraph_release_function_body): New function.
9439         (cgraph_remove_node): Use it.
9440         * cgraph.h (cgraph_release_function_body): Declare.
9441         * cgraphunit.c (cgraph_expand_function): Use it.
9442         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9443         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9444         is initialized and while compilation of other function is running.
9445         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9446         statement CFG annotations from here to ...
9447         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9449 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9451         * cfgloop.h (enum li_flags): Make the constants powers of two.
9453 2007-01-04  Jan Hubicka  <jh@suse.cz>
9455         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9456         set.
9457         (fold_marked_statements): New function.
9458         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9459         * tree-inline.h (copy_body_data): Add statements_to_fold.
9461 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9463         * config.gcc: Mention libgcc/config.host.
9464         * Makefile.in: Update comments mentioning libgcc.
9465         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9466         (all.cross, start.encap, rest.encap, rest.cross): Update
9467         dependencies for libgcc move.
9468         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9469         (clean-target, clean-target-libgcc): Delete.
9470         (srcdirify, GCC_EXTRA_PARTS): New macros.
9471         (libgcc-support, libgcc.mvars): New rules.
9472         (distclean): Remove mention of mklibgcc.
9473         (install): Don't reference INSTALL_LIBGCC.
9474         (install-common): Don't reference EXTRA_PARTS.
9475         (install-libgcc, install-multilib): Delete rules.
9476         * mklibgcc.in: Delete file.
9477         * doc/configfiles.texi: Don't mention mklibgcc.
9479         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9480         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9481         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9482         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9483         (mklibgcc, ldblspecs): Likewise.
9485         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9486         (posixpre.def): Use $(T).
9487         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9488         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9489         (SHLIB_LINK): Make dummy.
9490         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9492         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9494         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9495         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9496         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9497         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9499         * configure.ac (all_outputs): Remove mklibgcc.
9500         * configure: Regenerated.
9502 2007-01-03  Josh Conner  <jconner@apple.com>
9504         PR middle-end/29683
9505         * calls.c (compute_argument_addresses): Set stack and stack_slot
9506         for partial args, too.
9507         (store_one_arg): Use locate.size.constant for the size when
9508         generating a save_area.
9510 2007-01-03  Robert Kennedy <jimbob@google.com>
9512         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9513         whose definitions are deleted due to basic block merging.
9515 2007-01-03  Paul Brook  <paul@codesourcery.com>
9517         PR target/16634
9518         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9519         functions.
9520         (use_return_insn): Return 0 for Thumb interrupt functions.
9521         (print_multi_reg): Add rfe argument for IRQ returns.
9522         (arm_output_epilogue): Pop interrupt return address directly into PC.
9523         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9525 2007-01-03  Paul Brook  <paul@codesourcery.com>
9527         Merge from sourcerygxx-4_1.
9528         * config/arm/thumb2.md: New file.
9529         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9530         Thumb-2.
9531         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9532         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9533         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9534         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9535         tables.
9536         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9537         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9538         comptibility.
9539         * config/arm/ieee754-sf.S: Ditto.
9540         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9541         (thumb1_base_register_rtx_p): ... to this.
9542         (thumb_index_register_rtx_p): Rename...
9543         (thumb1_index_register_rtx_p): ... to this.
9544         (thumb_output_function_prologue): Rename...
9545         (thumb1_output_function_prologue): ... to this.
9546         (thumb_legitimate_address_p): Rename...
9547         (thumb1_legitimate_address_p): ... to this.
9548         (thumb_rtx_costs): Rename...
9549         (thumb1_rtx_costs): ... to this.
9550         (thumb_compute_save_reg_mask): Rename...
9551         (thumb1_compute_save_reg_mask): ... to this.
9552         (thumb_final_prescan_insn): Rename...
9553         (thumb1_final_prescan_insn): ... to this.
9554         (thumb_expand_epilogue): Rename...
9555         (thumb1_expand_epilogue): ... to this.
9556         (arm_unwind_emit_stm): Rename...
9557         (arm_unwind_emit_sequence): ... to this.
9558         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9559         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9560         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9561         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9562         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9563         thumb2_output_casesi): New functions.
9564         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9565         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9566         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9567         THUMB2_WORK_REGS): Define.
9568         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9569         arm_condexec_mask, arm_condexec_masklen)): New variables.
9570         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9571         (arm_override_options): Check new CPU capabilities.
9572         Set new architecture flag variables.
9573         (arm_isr_value): Handle v7m interrupt functions.
9574         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9575         Thumb-2.
9576         (const_ok_for_arm): Handle Thumb-2 constants.
9577         (arm_gen_constant): Ditto.  Use movw when available.
9578         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9579         functions.
9580         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9581         (thumb_find_work_register, arm_load_pic_register,
9582         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9583         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9584         print_multi_reg, output_mov_long_double_fpa_from_arm,
9585         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9586         output_mov_double_fpa_from_arm, output_move_double,
9587         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9588         output_return_instruction, arm_output_function_prologue,
9589         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9590         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9591         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9592         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9593         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9594         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9595         '!' and 'L'.
9596         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9597         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9598         (arm_file_start): Output directive for unified syntax.
9599         (arm_unwind_emit_set): Handle stack alignment instruction.
9600         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9601         Add v6t2, v7, v7a, v7r and v7m.
9602         (RETLDM): Add Thumb-2 code.
9603         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9604         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9605         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9606         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9607         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9608         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9609         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9610         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9611         ADJUST_INSN_LENGTH): Define.
9612         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9613         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9614         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9615         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9616         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9617         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9618         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9619         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9620         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9621         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9622         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9623         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9624         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9625         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9626         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9627         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9628         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9629         cortex-m3.
9630         * config/arm/arm-tune.md: Regenerate.
9631         * config/arm/arm-protos.h: Update prototypes.
9632         * config/arm/vfp.md: Enable patterns for Thumb-2.
9633         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9634         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9635         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9636         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9637         * config/arm/libunwind.S: Add Thumb-2 code.
9638         * config/arm/constraints.md: Update include Thumb-2.
9639         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9640         * config/arm/ieee754-df.S: Ditto.
9641         * config/arm/bpabi.S: Ditto.
9642         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9643         * config/arm/predicates.md (low_register_operand,
9644         low_reg_or_int_operand, thumb_16bit_operator): New.
9645         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9646         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9647         * config/arm/t-arm-elf: Add armv7 multilib.
9648         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9649         Include thumb2.md.
9650         (UNSPEC_STACK_ALIGN, ce_count): New.
9651         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9652         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9653         insns/expanders.
9654         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9655         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9656         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9657         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9658         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9659         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9660         insns.
9661         * doc/extend.texi: Document ARMv7-M interrupt functions.
9662         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9664 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9666         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9667         (struct _Unwind_Context): Rename args_size to flags, remove
9668         signal_frame field, add a new args_size field and version field.
9669         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9670         _Unwind_IsExtendedContext): New inline functions.
9671         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9672         Assume by_value array is only present if _Unwind_IsExtendedContext.
9673         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9674         _Unwind_IsSignalFrame.
9675         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9676         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9677         (uw_init_context_1): Initialize context->flags to
9678         EXTENDED_CONTEXT_BIT.
9679         * config/rs6000/linux-unwind.h (frob_update_context): Use
9680         _Unwind_SetSignalFrame.
9682 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9684         PR middle-end/30353
9685         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9686         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9687         the value.
9689 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9691         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9692         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9693         RET, AT_SP): Remove.
9694         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9695         instead of RET.
9697         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9698         * cfgbuild.c (find_basic_blocks): Likewise.
9699         * cfgrtl.c (rtl_create_basic_block): Likewise.
9700         * function.c (temp_slots_at_level): Likewise.
9701         * reg-stack.c (stack_regs_mentioned): Likewise.
9702         * regclass.c (allocate_reg_info): Likewise.
9703         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9704         set_bb_for_stmt, move_block_to_fn): Likewise.
9705         * tree-complex.c (tree_lower_complex): Likewise.
9706         * vec.h (VEC_safe_grow_cleared): New.
9708         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9710 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9712         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9713         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9714         to loop_version.
9715         * cfgloopmanip.c (scale_loop_frequencies): Export.
9716         (loopify): Scale the frequencies by prescribed coefficients.
9717         (set_zero_probability): New function.
9718         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9719         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9720         and frequencies according to arguments.
9721         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9722         correctly.
9723         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9724         * modulo-sched.c (sms_schedule): Set probabilities for entering
9725         versioned loop correctly.
9726         * tree-vect-transform.c (vect_transform_loop): Ditto.
9727         * cfgloop.h (loopify, loop_version): Declaration changed.
9728         (scale_loop_frequencies): Declared.
9730 2007-01-02  Jan Hubicka  <jh@suse.cz>
9732         * cgraph.c: Include tree-flow.h
9733         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9734         early_local_passes.
9735         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9736         * tree-pass.h (pass_all_early_optimizations): Declare.
9737         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9738         early_local_passes.
9739         (cgraph_analyze_function): Do early_local_passes.
9740         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9741         Do not add referenced vars.
9742         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9743         SSA form.
9744         (gate_all_early_local_passes): New gate.
9745         (pass_early_local_passes): Use new gate.
9746         (execute_early_local_optimizations): New functions.
9747         (gate_all_early_optimizations): New gate.
9748         (pass_all_early_optimizations): New pass.
9749         (execute_free_datastructures): Free SSA only when initialized.
9750         (gate_init_datastructures): Init only when optimizing.
9751         (tree_lowering_passes): Do early local passes when called late.
9752         * tree-profile.c (do_tree_profiling): Don't profile functions added
9753         late.
9754         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9755         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9756         not active.
9757         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9758         during early_local_passes.
9759         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9762 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9764         * Makefile.in: Update copyright year.
9766 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9768         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9769         in $(lang_checks) and check-consistency targets.
9771 2007-01-02  Jan Hubicka  <jh@suse.cz>
9773         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9774         Do not add referenced vars.
9775         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9776         are not active.
9777         * passes.c (init_optimization_passes): Put mudflap_2 after
9778         free_datastructures.
9780 2007-01-02  Jan Hubicka  <jh@suse.cz>
9782         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9783         Set NOTHROW flag on call statements proved to be nothrow.
9784         Update statement of local calls so new pure/const functions are
9785         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9786         goto receivers.
9787         (tree_rest_of_compilation): Register hooks and initialize bitmap
9788         early. Do not set after_inlining flag.
9790 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9792         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9793         HOST_BITS_PER_LONGLONG
9795 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9797         PR c/19977
9798         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9799         warning for non-static initializers.
9801 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9803         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9804         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9805         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9806         Always use set_unique_reg_note to add REG_EQUAL notes.
9808 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9810         Revert:
9811         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9813         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9814         * cfgbuild.c (find_basic_blocks): Likewise.
9815         * cfgrtl.c (rtl_create_basic_block): Likewise.
9816         * function.c (temp_slots_at_level): Likewise.
9817         * reg-stack.c (stack_regs_mentioned): Likewise.
9818         * regclass.c (allocate_reg_info): Likewise.
9819         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9820         set_bb_for_stmt, move_block_to_fn): Likewise.
9821         * tree-complex.c (tree_lower_complex): Likewise.
9822         * vec.h (VEC_safe_grow_cleared): New.
9824 2007-01-02  Ian Lance Taylor  <iant@google.com>
9826         * c-common.c (c_common_truthvalue_conversion): When warning about
9827         using an assignment as a truth value, set TREE_NO_WARNING.
9829 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9831         PR middle-end/7651
9832         * c.opt (Wold-style-declaration): New.
9833         * doc/invoke.texi (C-only Warning Options): New.
9834         (Wold-style-declaration): Document it.
9835         (Wextra): Enabled by -Wextra.
9836         * c-opts.c (c_common_post_options): Enabled by -Wextra.
9837         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
9838         -Wold-style-declaration.
9840 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9842         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9843         * cfgbuild.c (find_basic_blocks): Likewise.
9844         * cfgrtl.c (rtl_create_basic_block): Likewise.
9845         * function.c (temp_slots_at_level): Likewise.
9846         * reg-stack.c (stack_regs_mentioned): Likewise.
9847         * regclass.c (allocate_reg_info): Likewise.
9848         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9849         set_bb_for_stmt, move_block_to_fn): Likewise.
9850         * tree-complex.c (tree_lower_complex): Likewise.
9851         * vec.h (VEC_safe_grow_cleared): New.
9853 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
9855         * c-common.c (c_common_nodes_and_builtins): Since variants of
9856         void_type_node get built before it is given a name, we need to
9857         give those variants the name, too.
9858         (complete_array_type): We need to work with the canonical main
9859         type of the array, from which we will build the qualified version.
9860         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
9861         * print-tree.c (print_node): Display canonical type information
9862         for each type.
9863         * stor-layout.c (layout_type): When we don't know the
9864         alignment of a type for which we're building an array, we end up
9865         guessing wrong, so make the type require structural equality.
9866         * tree.c (make_node_stat): When we build a new type, it is its
9867         own canonical type.
9868         (build_type_attribute_qual_variant): When building an attribute
9869         variant, its canonical type is the non-attribute variant. However,
9870         if the attributes are target-dependent and they differ, we need to
9871         use structural equality checks for this type.
9872         (build_qualified_type): A qualified type is not equivalent to its
9873         unqualified variant; set the canonical type appropriately.
9874         (build_distinct_type_copy): When building a distinct type from
9875         another type, the new type is its own canonical type.
9876         (build_variant_type_copy): When building a new type variant, we
9877         assume that it is equivalent to the original type.
9878         (build_pointer_type_for_mode): When building a pointer type, also
9879         build a canonical type pointer.
9880         (build_reference_type_for_mode): When building a reference type,
9881         also build a canonical type reference.
9882         (build_index_type): When we can't hash an index type (e.g.,
9883         because its maximum value is negative), the index type requires
9884         structural equality tests.
9885         (build_array_type): Build the canonical form of an array type.
9886         (build_function_type): Function types require structural equality,
9887         because they contain default arguments, attributes, etc.
9888         (build_method_type_directly): Ditto for method types.
9889         (build_offset_type): Build the canonical offset type.
9890         (build_complex_type): Build the canonical vector type.
9891         (make_vector_type): Build the canonical vector type.
9892         * tree.h (TYPE_CANONICAL): New.
9893         (TYPE_STRUCTURAL_EQUALITY_P): New.
9894         (SET_TYPE_STRUCTURAL_EQUALITY): New.
9895         (struct tree_type): Added "canonical" field.
9896         * params.h (VERIFY_CANONICAL_TYPES): New.
9897         * doc/c-tree.texi (TYPE_CANONICAL): Document.
9898         (TYPE_STRUCTURAL_EQUALITY_P): Document.
9899         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
9900         * doc/invoke.texi (verify-canonical-types): Document --param
9901         parameter for verifying canonical types.
9903 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9905         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
9906         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
9907         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
9908         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
9909         tm_file.
9910         * config/rs6000/e500.h: New.
9911         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
9912         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
9913         Remove.
9914         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
9915         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
9916         TARGET_E500_DOUBLE): Remove.
9917         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
9918         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
9919         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
9920         * config/rs6000/rs6000.c (rs6000_override_options): Use
9921         CHECK_E500_OPTIONS.
9923 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9925         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
9926         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
9927         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
9928         rs6000_emit_cmove): Don't check TARGET_E500.
9929         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
9930         sordered): Don't check TARGET_E500.
9932 2007-01-01  Eric Christopher  <echristo@apple.com>
9934         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
9935         HARD_REGISTER_NUM_P.
9937 2007-01-01  Roger Sayle  <roger@eyesopen.com>
9939         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
9940         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
9941         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
9942         eq/ne Y".
9944 2007-01-01  Mike Stump  <mrs@apple.com>
9946         * configure.ac: Remove support for building with Apple's gcc-3.1.
9948 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
9950         PR middle-end/30311
9951         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
9952         REG is a hard register.  Do not modify REG before calling
9953         subreg_nregs.
9954         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9955         multiple of the size of YMODE for certain lowpart cases.
9957 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9959         PR middle-end/30253
9960         * gimplify (voidify_wrapper_expr): Update for
9961         GIMPLE_MODIFY_STMT.
9963 2007-01-01  Andreas Schwab  <schwab@suse.de>
9965         PR target/29166
9966         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9967         save of BR0 in extra_spill_size instead of spill_size.
9968         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9969         area.
9970         (ia64_expand_epilogue): Restore BR0 from its new location.
9972 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9974         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9975         Use a temporary variable if the left hand side is not a gimple
9976         register.
9978 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9980         * gimplify.c (gimplify_return_expr): Make the temporary variable
9981         for the return expression, a gimple register variable.
9983 2007-01-01  Jan Hubicka  <jh@suse.cz>
9985         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9986         INSN_LIST.
9988 2007-01-01  Mike Stump  <mrs@apple.com>
9990         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9991         .literal16.
9992         * config/darwin.c (machopic_select_rtx_section): Use
9993         HAVE_GAS_LITERAL16.
9994         (darwin_mergeable_constant_section): Likewise.
9995         * configure: Regenerate.
9996         * config.in: Regenerate.
9998 2007-01-01  Jan Hubicka  <jh@suse.cz>
9999             Andrew Pinski  <pinskia@gmail.com>
10001         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10002         before starting IPA passes.