Remove ">>>>>>> .r123627".
[official-gcc.git] / gcc / ChangeLog
blobd5f8559c1ac5fdc69886ea2ae2ada6665c5033e5
1 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
5 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
7         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
9         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
10         Use output_387_reg_move().
11         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
12         expander using X87MODEF12 mode macro.
13         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
14         choosing register preferences.  Use output_387_reg_move().
15         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
16         instead of "x".  Use output_387_reg_move().
17         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
19         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
20         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
21         Use output_387_reg_move().
22         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
23         mode macro.
24         (*truncxf?f_i387 splitter): Ditto.
26 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
28         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
29         LANG_HOOKS_SAFE_FROM_P.
30         * expr.c (safe_from_p): Remove langhook call.
31         * langhooks.h (lang_hooks): Remove safe_from_p.
32         (lhd_safe_from_p): Remove prototype.
33         * langhooks.c (lhd_safe_from_p): Remove.
34         
35 2007-04-06  Jan Hubicka  <jh@suse.cz>
37         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
38         functions.
40 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
42         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
43         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
44         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
45         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
46         alternative.
47         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
48         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
50 2007-04-05  Richard Henderson  <rth@redhat.com>
52         * config/alpha/alpha.c (print_operand) [+]: Remove.
53         (alpha_end_function): Print nop if call at end of function.
54         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
55         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
56         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
57         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
58         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
59         the call pattern. Update peepholes to match.
61 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
63         * doc/extend.texi (Other Builtins): Add decimal float variants
64         of signbit.
65         * builtins.def: Ditto.
66         * builtins.c (expand_builtin): Ditto.
68 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
69             H.J. Lu  <hongjiu.lu@intel.com>
71         PR target/31478
72         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
73         of V8HImode when calling ix86_binary_operator_ok.
74         (sse2_pmaddwd): Call ix86_binary_operator_ok.
75         (sdot_prodv8hi): Operands 1 and 2 must be register.
77 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
79         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
80         initialize align to silence bogus warning.
82 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
84         PR middle-end/22156
85         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
86         all_no_warning.
87         (struct sra_walk_fns): Remove use_all parameter from use.
88         (sra_hash_tree): Handle BIT_FIELD_REFs.
89         (sra_elt_hash): Don't hash bitfld blocks.
90         (sra_elt_eq): Skip them in parent compares as well.  Handle
91         BIT_FIELD_REFs.
92         (sra_walk_expr): Don't maintain or pass down use_all_p.
93         (scan_use): Remove use_all parameter.
94         (scalarize_use): Likewise.  Re-expand assignment to
95         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
96         output, and re-scalarize after output.  Don't mark anything
97         for no warning.
98         (scalarize_ldst): Adjust.
99         (scalarize_walk_gimple_modify_statement): Likewise.
100         (build_element_name_1): Handle BIT_FIELD_REFs.
101         (instantiate_element): Don't warn for any element whose parent
102         is used as a whole.
103         (instantiate_missing_elements_1): Return the sra_elt.
104         (canon_type_for_field): New.
105         (try_instantiate_multiple_fields): New.
106         (instantiate_missing_elemnts): Use them.
107         (mark_no_warning): Removed.
108         (generate_one_element_ref): Handle BIT_FIELD_REFs.
109         (REPLDUP, sra_build_elt_assignment): New.
110         (generate_copy_inout): Use them.
111         (generate_element_copy): Likewise.  Handle bitfld differences.
112         (generate_element_zero): Don't recurse for blocks.  Use
113         sra_build_elt_assignment.
114         (generate_one_element_int): Take elt instead of var.  Use
115         sra_build_elt_assignment.
116         (generate_element_init_1): Adjust.
117         (scalarize_use, scalarize_copy): Use REPLDUP.
118         (scalarize_ldst): Move assert before dereference.
119         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
121 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
123         * regmove.c: Fix unused variable warnings due to previous commit.
125 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
127         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
128         (regmove_bb_head): Remove.
129         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
130         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
131         problems with fixup_match_1.
132         Don't initialize/free regmove_bb_head.
134         (reg_is_remote_constant_p): If an insn is in the same basic block
135         but not before INSN, consider it remote, too.
137 2007-04-05  Anatoly Sokolov <aesok@post.ru>
139         PR target/25448
140         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the 
141         DECL_ASSEMBLER_NAME, not the DECL_NAME.
143 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
145         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
146         (CONDITIONAL_REGISTER_USAGE): Likewise.
148 2007-04-04  Richard Henderson  <rth@redhat.com>
150         * config/alpha/lib1funcs.asm: Remove unused file.
152 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
154         PR other/31356
155         * opts.c (print_specific_help): Fix --help=<language>
156         header line.
157         (common_handle_option): Support --help=common.
159 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
161         PR other/31353
162         * gcc.c (main): Do not run the linker if
163         print_subprocess_help indicates that it shouldn't be
164         run.
166 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
168         PR doc/31355
169         * doc/invoke.texi (--help=): Document <languages> value, fix
170         formatting in tables of values.
172 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
174         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
175         dllimport attribute of virtual methods.
177 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
179         * config/score/crti.asm: Change _bss_start to __bss_start.
180         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
181         (OUTGOING_REG_PARM_STACK_SPACE) update.
182         * config/score/score.opt: add options to make backend support
183         score5, score5u, score7 and score7d.
184         * config/score/score.md: Likewise.
185         * config/score/misc.md: Likewise.
186         * config/score/mac.md: Likewise.
187         * doc/invoke.texi: Likewise.
188         * doc/md.texi: update constraints define.
190 2007-04-03  Richard Henderson  <rth@redhat.com>
192         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
193         an appropriate type, use the mode instead.
195 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
197         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
198         Set the default --with-arch setting to mips2.
199         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
200         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
201         (MULTILIB_OSDIRNAMES): Delete.
202         (MULTILIB_DIRNAMES): Define.
203         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
204         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
205         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
206         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
207         VXWORKS_OS_CPP_BUILTINS.
208         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
209         (MIPS_DEBUGGING_INFO): Undefine.
210         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
212 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
214         PR middle-end/30704
215         * fold-const.c (native_encode_real): Encode real.c provided longs
216         as a series of 32-bit native integers.
217         (native_interpret_real): Interpret buffer as a series of 32-bit
218         native integers.
220 2007-04-03  Richard Guenther  <rguenther@suse.de>
222         * genpreds.c (write_insn_constraint_len): Write function
223         optimized for CONSTRAINT_LEN implementation.
224         (write_tm_preds_h): Output insn_constraint_len inline and
225         use it for CONSTRAINT_LEN.
226         (write_insn_preds_c): Don't output insn_constraint_len.
227         * doc/md.texi (define_register_constraint): Document multi-letter
228         constraints shall have the same length if they start with the same
229         letter.
231 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
233         PR target/31175
234         * config/i386/i386.md (isinf<mode>2): Expand only when
235         TARGET_C99_FUNCTIONS is set.
237 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
239         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
240         (x86_64-*-linux*): Ditto.
241         * config/i386/i386.opt (mpc): New option.
242         * config/i386/i386.c (overrride_options): Handle
243         ix87_precision_string.
244         * config/i386/crtprec.c: New file.
245         * config/i386/t-crtpc: Ditto.
246         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
247         and -mpc80 options.
248         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
249         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
250         crtprec32.o, crtprec64.o and crtprec80.o.
252         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
253         and -mpc80 options.
254         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
256 2007-04-02  Eric Christopher  <echristo@apple.com>
258         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
259         limitations on darwin.
261 2007-04-02  Anatoly Sokolov <aesok@post.ru>
263         PR target/31137
264         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
266 2007-04-02  Dave Korn  <dave.korn@artimi.com>
268         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
270 2007-04-02  Dave Korn  <dave.korn@artimi.com>
272         * libgcc2.h (exception_descriptor): Don't forward-declare.
273         (__get_eh_table_language, __get_eh_table_version): Delete
274         prototypes of long-dead functions.
276 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
278         * ebitmap.h: New file
279         * ebitmap.c: New file
280         * Makefile.in (ebitmap.o): New target.
282 2007-04-01  Jan Hubicka  <jh@suse.cz>
284         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
285         before very first instruction.
287 2007-04-01  Jan Hubicka  <jh@suse.cz>
289         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
290         waring on 64bit hosts.
291         * bitmap.h: Fix typo in bitmap_head_def.
293 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
295         PR rtl-optimization/31391
296         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
297         into a DELETED_LABEL note, and the label is in an empty basic
298         block, update BB_END as well as BB_HEAD.
300 2007-04-01  Richard Henderson  <rth@redhat.com>
302         PR tree-optimization/31169
303         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
304         to varying if the range is outside [0,  prec-1].
306 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
308         PR target/31388
309         * config/mips/mips.md (load_const_gp): New insn.
310         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
311         the MIPS16 GP pseudo register if no_new_pseudos.
312         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
314 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
316         PR target/31364
317         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
318         secureplt.
319         (call_value): Likewise.
321 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
322             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
324         PR 14737
325         * doc/invoke.texi: (optimization options): Reword description
326         of -ffast-math. Document its primary purpose.
328 2007-03-31  Richard Guenther  <rguenther@suse.de>
330         * omp-low.c (splay-tree.h): Include.
331         (lookup_decl): Replace splay-tree usage by pointer-map.
332         (maybe_lookup_decl): Likewise.
333         (new_omp_context): Likewise.
334         (delete_omp_context): Likewise.
335         * gimplify.c (splay-tree.h): Include.
336         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
337         pointer-map.
338         (remap_ssa_name): Likewise.
339         (remap_decl): Likewise.
340         (remap_type_1): Likewise.
341         (remap_type): Likewise.
342         (copy_body_r): Likewise.
343         (expand_call_inline): Likewise.
344         (clone_body): Likewise.
345         (copy_tree_r): Likewise.
346         (remap_save_expr): Likewise.
347         (unsave_r): Likewise.
348         (unsave_expr_now): Likewise.
349         (tree_function_versioning): Likewise.
350         (build_duplicate_type): Likewise.
351         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
352         (struct copy_body_data): Replace splay-tree by pointer-map.
353         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
354         not $(SPLAY_TREE_H).
355         (gimplify.o): Depend on $(SPLAY_TREE_H).
356         (omp-low.p): Likewise.
358 2007-03-31  Anatoly Sokolov <aesok@post.ru>
360         * config/avr/predicates.md (even_register_operand,
361         odd_register_operand): New predicates.
362         * config/avr/avr.md (movw peephole2): New.
363         (movw_r peephole2): New.
365 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
367         * tree.h (get_signed_or_unsigned_type): New.
368         * fold-const.c (operand_equal_for_comparison_p): Use
369         get_signed_or_unsigned_type instead of
370         lang_hooks.types.signed_or_unsigned_type.
371         * expr.c (store_expr): Ditto.
372         * langhooks.c (get_signed_or_unsigned_type): New.
373         (lhd_signed_or_unsigned_type): New.
374         * langhooks.h (lhd_signed_or_unsigned_type): New.
375         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
377 2007-03-30  Richard Henderson  <rth@redhat.com>
379         * tree-ssa-loop-ivopts.c: Include target.h.
380         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
381         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
382         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
383         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
385 2007-03-30  Richard Henderson  <rth@redhat.com>
386             Kai Tietz  <kai.tietz@onevision.com>
388         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
389         default for 64-bit.
390         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
391         (TARGET_64BIT_MS_ABI): New.
392         (DBX_REGISTER_NUMBER): Handle 64-bit.
393         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
394         (LONG_TYPE_SIZE): Force to 32.
395         (REG_PARM_STACK_SPACE): New.
396         (OUTGOING_REG_PARM_STACK_SPACE): New.
397         (REGPARM_MAX, SSE_REGPARM_MAX): New.
398         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
399         (STACK_BOUNDARY): Use 128 for 64-bit.
400         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
401         Add 64-bit implementation.
402         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
403         argument unused.
404         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
405         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
406         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
407         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
408         (ix86_handle_cconv_attribute): Don't warn when ignoring if
409         TARGET_64BIT_MS_ABI.
410         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
411         (ix86_pass_by_reference): Likewise.
412         (ix86_function_value_regno_p): Likewise.
413         (ix86_build_builtin_va_list): Likewise.
414         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
415         (function_arg_advance_ms_64): New.
416         (function_arg_advance): Call it.
417         (function_arg_ms_64): New.
418         (function_arg): Call it.
419         (function_value_ms_64): New.
420         (ix86_function_value_1): Call it.
421         (return_in_memory_ms_64): New.
422         (ix86_return_in_memory): Call it.
423         (setup_incoming_varargs_ms_64): New.
424         (ix86_setup_incoming_varargs): Call it.
425         (ix86_expand_prologue): Handle 64-bit stack probing.
426         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
427         (output_pic_addr_const): Likewise.
428         (x86_this_parameter): Likewise.
429         (x86_output_mi_thunk): Likewise.
430         (x86_function_profiler): Likewise.
431         (TARGET_STRICT_ARGUMENT_NAMING): New.
432         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
433         (TARGET_64BIT_MS_ABI): New.
434         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
435         * config/i386/i386.md (allocate_stack_worker): Remove.
436         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
437         describe the clobber of eax without a match_scratch.
438         (allocate_stack_worker_postreload): Remove.
439         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
440         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
441         (allocate_stack_worker_rex64_postreload): Remove.
442         (allocate_stack): Handle 64-bit.
443         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
444         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
445         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
446         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
447         (STANDARD_STARTFILE_PREFIX_1): Likewise.
448         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
449         * config.build (x86_64-*-mingw*): New host.
450         * config.host (x86_64-*-mingw*): New host.
451         * config.gcc (x86_64-*-mingw*): New target.
452         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
454 2007-03-30  Richard Henderson  <rth@redhat.com>
455             Kai Tietz  <kai.tietz@onevision.com>
457         * c-pragma.c (struct def_pragma_macro_value): New.
458         (struct def_pragma_macro): New.
459         (pushed_macro_table): New.
460         (dpm_hash, dpm_eq): New.
461         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
462         (init_pragma): Install them.
463         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
465 2007-03-30  Anatoly Sokolov <aesok@post.ru>
467         * config/avr/avr.c (avr_override_options): Clear
468         'flag_delete_null_pointer_checks'.
470 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
472         PR c++/26099
473         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
474         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
475         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
476         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
477         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
478         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
479         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
480         C++ extensions.
481         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
483 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
485         * regmove.c: Move all of pass_stack_adjustments from here...
486         * combine-stack-adj.c: ...to this new file.
487         * Makefile.in: Add rules for combine-stack-adj.o.
489 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
491         PR tree-optimization/31383
492         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
493         to have the same length.
495 2007-03-30  Jan Hubicka  <jh@suse.cz>
497         PR middle-end/30700
498         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
499         availablility; add more sanity checking; ask varpool only about
500         VAR_DECL.
502 2007-03-29  Richard Henderson  <rth@redhat.com>
504         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
505         to decide, but __SIZEOF_LONG_LONG__.
507 2007-03-29  Richard Henderson  <rth@redhat.com>
509         * emutls.c (struct __emutls_array): New.
510         (emutls_destroy): Use it instead of casting element 0 from void*.
511         (__emutls_get_address): Likewise.
513 2007-03-29  Richard Henderson  <rth@redhat.com>
515         * varasm.c (initializer_constant_valid_p): Don't deny
516         DECL_DLLIMPORT_P on functions.
518         * config/i386/cygming.h: Remove function declarations.
519         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
520         (ASM_OUTPUT_LABELREF): Remove.
521         (COMMON_ASM_OP): Remove.
522         (ASM_OUTPUT_COMMON): Remove.
523         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
524         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
525         (ASM_DECLARE_FUNCTION_NAME): Likewise.
526         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
527         Rename from TARGET_ENCODE_SECTION_INFO.
528         * config/i386/netware.h: Likewise.
529         * config/i386/i386-protos.h: Update.
530         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
531         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
532         (legitimate_constant_p): Reject dllimports.
533         (dllimport_map, get_dllimport_decl): New.
534         (legitimize_dllimport_symbol): New.
535         (legitimize_address, ix86_expand_move): Use it.
536         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
537         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
538         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
539         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
540         * config/i386/predicates.md (constant_call_address_operand): Only
541         accept symbols; reject dllimport_p symbols.
542         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
543         i386_pe_maybe_record_exported_symbol.
544         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
545         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
546         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
547         trust the setting of DECL_DLLIMPORT_P.
548         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
549         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
550         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
551         tidy the argument scanning loop.
552         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
553         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
554         (i386_pe_strip_name_encoding): Remove.
555         (i386_pe_binds_local_p): New.
556         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
557         (i386_pe_output_labelref): Remove.
558         (i386_pe_asm_output_aligned_decl_common): New.
559         (i386_pe_maybe_record_exported_symbol): Rename from
560         i386_pe_record_exported_symbol; check for dllexported symbols.
562 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
564         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
565         add comment explaining why vsnprintf cannot be used.
567 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
569         PR tree-optimization/30666
570         * tree.c (build_complex_type): When creating type names for DWARF2
571         debug info, create TYPE_DECLs for TYPE_NAME instead of
572         IDENTIFIER_NODEs.
573         (build_common_tree_nodes_2): Use build_complex_type when building
574         predefined complex types, to preserve canonical types.
576 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
578         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
579         (noce_get_alt_condition): Look at it to determine whether to
580         reverse the condition or not.
581         (noce_get_condition): Substitute the truth for lies.
582         (noce_find_if_block): Set the then_else_reversed field.
584 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
586         * config/fr30/fr30.md (movdi): Do not accept immediates as the
587         destination of this insn.
588         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
589         than calling gen_rtx_SET directly.  Use r0 to hold the value of
590         'address + 4' rather than a stack based temporary which can be
591         mis-optimized away.
593 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
595         * config/s390/s390.c (s390_secondary_input_reload_class,
596         s390_secondary_output_reload_class): Functions removed.
597         (s390_secondary_reload): New function.
598         (TARGET_SECONDARY_RELOAD): Target macro defined.
599         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
600         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
601         * config/s390/s390.md ("reload_outti", "reload_outdi",
602         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
603         "reload_out<mode>"): Expanders removed.
604         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
605         "reload<mode>_nonoffmem_out"): Expanders added.
607 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
609         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
610         SRC->DEST replacement failed anyway.
612 2007-03-28  Mike Stump  <mrs@apple.com>
614         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
615         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
616         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
618 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
620         * config.gcc: Accept barcelona as a variant of amdfam10.
621         * config/i386/i386.c (override_options): Likewise.
622         * doc/invoke.texi: Likewise.
624 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
626         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
627         offsets for BIT_FIELD_REF and COMPONENT_REF.
629 2007-03-28  Richard Guenther  <rguenther@suse.de>
631         * tree.c (is_global_var): Move ...
632         * tree-flow-inline.h (is_global_var): ... here.
633         * tree.h (is_global_var): Remove declaration.
635 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
637         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
638         option.
639         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
640         * config/i386/i386.c (ix86_tune_features): Initialize new
641         tuning option.
642         * config/i386/predicates.md (promotable_binary_operator): Use
643         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
645 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
647         PR target/31380
648         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
650 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
652         * config/fr30/fr30.md (movsi_internal): Change destination
653         constraint from m to V and add m to the end.
655 2007-03-28  Christian Bruel  <christian.bruel@st.com>
657         * config/sh/sh.md (movsi_i): Fix type attribute.
659 2007-03-28  Christian Bruel  <christian.bruel@st.com>
661         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
662         (movsf_ie): Likewise.
664 2007-03-28  Christian Bruel  <christian.bruel@st.com>
666         * config.gcc: Add sh4-300 to multilib.
667         * config/sh/t-mlib-sh4-300: New file.
669 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
671         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
672         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
673         fix_trunc<mode>di2.
674         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
675         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
676         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
677         "fixuns_trunctddi2"): Whitespace fix.
679 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
681         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
682         the definition of struct sh_args.
683         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
684         CALL_COOKIE_INT_REG_GET): Likewise.
686 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
688         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
689         transformations are applied successfully.
691 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
693         * tree.c (tree_contains_struct): Permit 512 tree codes.
694         * tree.h (tree_contains_struct): Ditto.
695         (MAX_TREE_CODES): Ditto.
696         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
697         SPARE member to store remaining padding bits.
699 2007-03-27  Anatoly Sokolov <aesok@post.ru>
701         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
702         architecture.
704 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
706         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
707         * configure: Regenerate.
709         * configure: Regenerate using the correct version of autoconf.
711 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
713         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
714         pointer regs.
715         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
716         regs to "__SP_L__" and "__SP_H__".
718 2007-03-27  Richard Guenther  <rguenther@suse.de>
720         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
721         computations with it with a HOST_WIDE_INT variable.
723 2007-03-26  Mike Stump  <mrs@apple.com>
725         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
726         objective-c-header, objective-c++-header and objc++-cpp-output
727         support.
728         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
730 2007-03-26  Richard Henderson  <rth@redhat.com>
732         PR target/31361
733         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
734         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
735         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
736         IX86_BUILTIN_PSRLQ128): New.
737         (ix86_init_mmx_sse_builtins): Add them.
738         (ix86_expand_builtin): Expand them.
739         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
740         operand 2 be TImode.
741         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
742         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
743         _mm_srli_epi64): Mark __B const.
744         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
745         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
746         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
747         new two-vector shift builtins.
749 2007-03-26  Ian Lance Taylor  <iant@google.com>
751         PR tree-optimization/31345
752         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
753         [+INF, +INF(OVF)] into VARYING.
755 2007-03-26  Zack Weinberg  <zackw@panix.com>
757         * gengtype-parse.c: New file.
758         * gengtype-yacc.y: Delete.
759         * gengtype-lex.l: Don't include gengtype-yacc.h.
760         Define YY_DECL and yyterminate appropriately for recursive
761         descent parser.  yylval is now a string out-parameter to yylex.
762         (HWS, EOID): New shorthand.
763         (IWORD): Add a couple more types.
764         (yylex): Add a setup stanza.  Remove the complex rules for
765         detecting GTY'ed types and typedefs; replace with simple
766         keyword detectors.  Adjust everything for the changed
767         definition of yylval.  Ignore all pp-directives, not just #define.
768         (yyerror): Delete.
769         (parse_file): Rename yybegin; do not call yyparse.
770         (yyend): New.
771         * gengtype.c (xasprintf): Export again.
772         (this_file): New.  Use everywhere __FILE__ was being used.
773         (get_lang_bitmap): Special case types defined in gengtype.c.
774         (do_typedef, new_structure): Suppress definition of certain types.
775         (new_structure): Improve diagnostics of duplicate definitions.
776         Make sure location_s is associated with input.h.
777         (nreverse_pairs, define_location_structures): New functions.
778         (main): Improve tagging of kludge types.  Remove old kludges
779         for input.h types; use define_location_structures.
780         * gengtype.h: Update prototypes.  Define token codes here.
781         * Makefile.in: Remove all references to gengtype-yacc.
782         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
783         and gengtype.
784         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
785         add GTY((skip)) to the field that's only conditionally there.
786         * doc/install.texi: Document that Bison is no longer required
787         unless building treelang.
789         * gengtype.c: Don't include gtyp-gen.h.
790         (srcdir): Declare here.
791         (base_files, lang_dir_names): Allocate dynamically.
792         (gt_files, num_gt_files, num_lang_dirs): New globals.
793         (measure_input_list, read_input_line, read_input_list)
794         (set_lang_bitmap): New functions.
795         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
796         simplify, relying on read_input_list to set up the bitmaps.
797         (main): Arguments are no longer unused.  Check for correct number
798         of command line arguments, set srcdir and srcdir_len, then call
799         read_input_list, before doing anything else.  No need to worry
800         about duplicates in main loop.
801         * configure.ac: Simplify the calculation of all_gtfiles.
802         Put language tags in there.  Don't set or substitute
803         all_gtfiles_files_langs or all_gtfiles_files_frags.
804         * Makefile.in: Revamp the way gengtype is invoked, now that it
805         takes a file on its command line with a much simpler format.
806         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
807         (GTFILES): Remove duplicates and C source files.
808         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
809         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
810         * configure: Regenerate.
812         * gengtype.h: Remove all type definitions to gengtype.c; leave
813         only definitions of options_p, type_p, and pair_p as opaque
814         pointers.  Update prototypes.
815         * gengtype.c: Many type definitions moved here from gengtype.h.
816         Consolidate type definitions at the top of the file.
817         (xvasprintf): Delete.
818         (xasprintf): Make static.
819         (create_nested_pointer_option): Add 'next' parameter.
820         (create_field_all, create_field_at): New functions.
821         (create_field): Now a thin wrapper around create_field_all.
822         (create_optional_field): Rename create_optional_field_ and add
823         line argument.  Original name is now a macro which supplies
824         __LINE__.
825         (oprintf): Use vsnprintf directly.
826         (close_output_files): Use fatal rather than perror/exit.
827         (note_def_vec, note_def_vec_alloc): Use create_field_at.
828         (main): Set progname.  Don't use exit.
829         * gengtype-yacc.y (struct_fields): Use create_field_at.
830         (option, optionseqopt): Delete.
831         (optionseq): Consolidate productions from option here so we
832         can use the first argument to create_option.
834         * gengtype-lex.l: Distinguish unions from structures in the
835         token type.  Don't call find_structure; return the tag as a string.
836         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
837         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
838         Reorganize typedef_struct production accordingly.
839         Use create_nested_ptr_option.
840         * gengtype.c (create_nested_ptr_option): New function.
841         * gengtype.h: Declare it.
843         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
844         (string_type): Don't declare.
845         (do_scalar_typedef): Declare.
846         (create_scalar_type): Update prototype.
847         * gengtype.c (string_type): Make static.
848         (scalar_nonchar, scalar_char): New.
849         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
850         (resolve_typedef): Use scalar_nonchar for error recovery.
851         (create_scalar_type): Remove name_len field.  Return scalar_char
852         or scalar_nonchar as appropriate.
853         (adjust_field_type): Look at scalar_is_char boolean to decide whether
854         to use string_type.
855         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
856         whenever possible.
857         (main): Initialize scalar_char and scalar_nonchar before calling
858         gen_rtx_next.
859         * gengtype-lex.l: Adjust for removal of second argument to
860         create_scalar_type.  Use yylval.s instead of yylval.t when
861         returning SCALAR.
862         * gengtype-yacc.y: Type of SCALAR is string.  Call
863         create_scalar_type from type:SCALAR rule.  Adjust for removal of
864         second argument to create_scalar_type.
866         * vec.h: Remove all #if IN_GENGTYPE blocks.
867         Add comment saying that changes may require adjustments to gengtype.
868         * gengtype.c: Don't include coretypes.h or tm.h.
869         Add comment to inclusion of errors.h.
870         (note_def_vec, note_def_vec_alloc): New functions.
871         * gengtype.h: Declare new functions.
872         * gengtype-lex.l: Don't include coretypes.h.
873         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
874         Delete.
875         (update_lineno): Remove unnecessary prototype.
876         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
877         (VEC rule): Just return VEC_TOKEN.
878         * gengtype-yacc.y (VEC_TOKEN): New token type.
879         (type): Add a production for VEC(a,b).
880         * Makefile.in: Update dependencies.
882         * gengtype-lex.l: Remove rules for parsing pointer-to-function
883         typedefs that use the old PARAMS macro.
885         * gengtype-lex.l: Remove all rules and states relating to yacc
886         input files.
887         * gengtype-yacc.y: Similarly.
888         * gengtype.c (note_yacc_type): Delete function.
889         * gengtype.h: Update prototypes.
891 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
893         * tree-pretty-print.c (dump_generic_node): Report precision of
894         unnamed integer types.
896 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
898         * ifcvt.c (noce_try_store_flag_constants): Don't check
899         no_new_pseudos here.
900         (noce_try_store_flag_constants): Don't check no_new_pseudos.
901         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
902         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
903         noce_try_sign_mask): Likewise.
904         (if_convert): Check no_new_pseudos here.
906         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
907         Remove prototypes.
908         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
909         (noce_get_condition): Handle new then_else_reversed argument.
910         (noce_init_if_info): Remove, fold into noce_find_if_block.
911         (noce_process_if_block): Take a struct noce_if_info as the
912         argument.  Don't set up one based on ce_if_info.  Update pointer
913         references accordingly.
914         (cond_move_process_if_block): Likewise.
915         (process_if_block): Removed.
916         (find_if_block): Removed.  Move functionality two new functions,
917         noce_find_if_block and cond_exec_find_if_block.
918         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
919         blocks and the symmetric IF-ELSE-JOIN case.
920         (cond_exec_find_if_block): Also new function mostly based on old
921         find_if_block and process_if_block.
922         (find_if_header): Replace find_if_block call with separately
923         guarded calls to noce_find_if_block and cond_exec_find_if_block.
924         (find_cond_trap): Update noce_get_condition call.
925         (dead_or_predicable): Likewise.
927 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
929         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
930         Remove.
931         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
932         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
933         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
934         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
935         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
936         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
937         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
938         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
939         __builtin_ia32_psrad128 builtins.
941 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
943         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
944         * config/i386/constraints.md
945         (define_constraint "I"): Use IN_RANGE macro.
946         (define_constraint "J"): Ditto.
947         (define_constraint "K"): Ditto.
948         (define_constraint "M"): Ditto.
949         (define_constraint "N"): Ditto.
950         (define_constraint "O"): Ditto.
951         * config/i386/predicates.md
952         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
953         (define_predicate "const_0_to_3_operand"): Ditto.
954         (define_predicate "const_0_to_7_operand"): Ditto.
955         (define_predicate "const_0_to_15_operand"): Ditto.
956         (define_predicate "const_0_to_63_operand"): Ditto.
957         (define_predicate "const_0_to_255_operand"): Ditto.
958         (define_predicate "const_1_to_31_operand"): Ditto.
959         (define_predicate "const_2_to_3_operand"): Ditto.
960         (define_predicate "const_4_to_7_operand"): Ditto.
962 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
964         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
965         in SImode for save_world.
966         * config/rs6000/altivec.md (save_world, restore_world): Convert to
967         LR hard reg.
969 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
971         PR tree-optimization/30784
972         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
973         BIT_FIELD_REF.
975 2007-03-25  Revital Eres  <eres@il.ibm.com>
977         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
978           Fold movement_possibility function into it.
980 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
982         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
983         (load_macho_picbase_{si,di}): Convert to LR hard reg.
984         (call_indirect_nonlocal_darwin64): Same.
985         (call_nonlocal_darwin64): Same.
986         (call_value_indirect_nonlocal_darwin64): Same.
987         (call_value_nonlocal_darwin64): Same.
988         (sibcall_nonlocal_darwin64): Same.
989         (sibcall_value_nonlocal_darwin64): Same.
990         (sibcall_symbolic_64): Same.
991         (sibcall_value_symbolic_64): Same.
992         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
993         LR pseudo.
994         (rs6000_emit_load_toc_table): Same.
995         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
996         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
997         (mull_call): Same.
998         (divss_call): Same.
999         (divus_call): Same.
1000         (quoss_call): Same.
1001         (quous_call): Same.
1002         (load_toc_v4_pic_si): Same
1003         (load_toc_v4_PIC_1): Same.
1004         (load_toc_v4_PIC_1b): Same.
1005         (call_indirect_aix{32,64}): Same.
1006         (call_value_indirect_aix{32,64}): Same.
1007         (call): Same.
1008         (call_value): Same.
1009         (call_local{32,64}): Same.
1010         (call_value_local{32,64}): Same.
1011         (call_indirect_nonlocal_aix{32,64}): Same.
1012         (call_nonlocal_aix{32,64}): Same.
1013         (call_value_indirect_nonlocal_aix{32,64}): Same.
1014         (call_value_nonlocal_aix{32,64}): Same.
1015         (call_indirect_nonlocal_sysv<mode>): Same.
1016         (call_nonlocal_sysv<mode>): Same.
1017         (call_value_indirect_nonlocal_sysv<mode>): Same.
1018         (call_value_nonlocal_sysv<mode>): Same.
1019         (sibcall): Same.
1020         (sibcall_local{32,64}): Same.
1021         (sibcall_value_local{32,64}): Same.
1022         (sibcall_nonlocal_aix{32,64}): Same.
1023         (sibcall_value_nonlocal_aix{32,64}): Same.
1024         (sibcall_nonlocal_sysv<mode>): Same.
1025         (sibcall_value): Same.
1026         (sibcall_value_nonlocal_sysv<mode>): Same.
1028 2007-03-24  Paul Brook  <paul@codesourcery.com>
1030         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1031         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1033 2007-03-24  Richard Henderson  <rth@redhat.com>
1035         * config/ia64/constraints.md: New file.
1036         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1037         satisfies_constraint_?.
1038         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1039         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1040         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1041         ia64_output_mi_thunk): Likewise.
1042         (ia64_const_ok_for_letter_p): Remove.
1043         (ia64_const_double_ok_for_letter_p): Remove.
1044         (ia64_extra_constraint): Remove.
1045         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1046         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1047         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1048         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1049         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1050         EXTRA_MEMORY_CONSTRAINT): Remove.
1051         * config/ia64/ia64.md: Include constriants.md.  Replace
1052         CONST_OK_FOR_? with satisfies_constraint_?.
1054 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1055             H.J. Lu  <hongjiu.lu@intel.com>
1057         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1058         DPD or BID name.
1059         (name macros): Use DPD_BID_NAME to convert names properly.
1061         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1062         decimal floating point format.
1063         (init_floating_libfuncs): Change decimal functions so that they
1064         have a "bid_" prefix if the decimal system uses the BID format,
1065         and "dpd_" prefix if the decimal system uses the DPD format.
1066         (init_interclass_conv_libfuncs): Ditto.
1067         (init_intraclass_conv_libfuncs): Ditto.
1069         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1070         using the BID format.
1072         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1073         whether we are using the BID decimal format.
1074         * configure: Regenerate.
1076         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1077         the compiler has decimal floating point enabled.  Define
1078         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1079         instead of DPD.
1081         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1082         using the BID format.
1084         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1085         whether we are using the BID decimal format.
1086         * configure: Regenerate.
1088         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1089         the compiler has decimal floating point enabled.  Define
1090         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1091         instead of DPD.
1093         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1094         options, and that it is enabled for i386/x86_64 systems.
1096         * Makefile.in (enable_decimal_float): New.
1097         (DECNUMFMT): New.
1098         (DECNUMINC): Add  -I$(DECNUMFMT).
1099         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1100         to $(DECNUMFMT) from $(DECNUM).
1102         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1103         Substitute enable_decimal_float.
1104         * configure: Regenerated.
1106         PR other/30529
1107         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1108         unsigned long.
1110         * configure.ac: Enable decimal float for x86_64-*-linux*.
1111         * configure: Regenerated.
1113         PR other/30530
1114         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1115         decimal128ClearSign to flip and clear the sign bit in decimal128.
1116         (decimal_real_maxval): Set decimal128SetSign to set the sign
1117         bit in decimal128.
1119 2007-03-23  Ian Lance Taylor  <iant@google.com>
1121         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1123 2007-03-23  Ian Lance Taylor  <iant@google.com>
1125         * tree-dump.c (dump_files): Correct comment.
1127 2007-03-23  Ian Lance Taylor  <iant@google.com>
1129         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1131 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1133         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1134         in cfglayout mode.  Don't go into and out of cfglayout mode.
1135         Link the blocks in the order of the constructed traces.
1136         (rest_of_handle_tracer): Adjust call to tracer.
1137         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1138         Don't go into cfglayout mode.
1139         (rtl_loop_done): Don't go out of cfglayout mode.
1140         * cfglayout.c (relink_block_chain): New function, split out from...
1141         (fixup_reorder_chain): ...here.  Remove redundant checking.
1142         (cfg_layout_finalize): Don't clear the header, footer, and aux
1143         fields here, move the code to do so to relink_block_chain.  Likewise
1144         for free_original_copy_tables.
1145         * rtl.h (tracer): Update prototype.
1146         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1147         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1148         mode.  Use relink_block_chain to serialize the CFG according to the
1149         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1150         here...
1151         (gate_handle_reorder_blocks): ...to here.
1152         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1153         from here...
1154         (gate_duplicate_computed_gotos): ...to here.
1155         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1156         something always changes when going into and out of cfglayout mode.
1157         Perform an expensive cfg cleanup while going into cfglayout mode.
1158         Always update liveness information on HAVE_conditional_execution
1159         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1160         * reg-stack.c: Include cfglayout.h.
1161         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1162         the call to reorder_basic_blocks.
1163         * basic-block.h (reorder_basic_blocks): Update prototype.
1164         (relink_block_chain): New prototype.
1165         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1167 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1169         * config/mips/mips.md (type, hazard, *movdi_32bit,
1170         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1171         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1172         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1173         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1174         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1175         applicable.
1176         (movcc): Change first xfer to multi.
1177         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1178         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1179         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1180         config/mips/generic.md: Change reservations using "xfer" to use
1181         "mfc,mtc".
1182         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1183         using match_operand.
1184         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1185         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1186         examining mode.
1187         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1189 2007-03-22  Richard Henderson  <rth@redhat.com>
1191         * config/i386/i386.c: Remove unnecessary function declarations.
1192         Move targetm definition, and all related macros, to the end of
1193         the file.  Resort some functions to put definitions before uses.
1194         (ix86_attribute_table): Make static.  Move to end of file.
1195         (ix86_gimplify_va_arg): Make static.
1197 2007-03-22  Richard Henderson  <rth@redhat.com>
1199         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1200         don't increase local_regparm with force_align_arg_pointer check.
1201         (ix86_function_sseregparm): Assert 32-bit.
1202         (type_has_variadic_args_p): New.
1203         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1204         type_has_variadic_args_p.
1205         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1206         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1207         use memset instead.  Do maybe_vaarg check first; skip attribute
1208         tests if true; skip attribute tests for 64-bit.
1209         (construct_container): Remove TARGET_DEBUG_ARG.
1210         (function_arg_advance_32, function_arg_advance_64): Split out ...
1211         (function_arg_advance): ... from here.
1212         (function_arg_32, function_arg_64): Split out ...
1213         (function_arg): ... from here.
1214         (ix86_pass_by_reference): Tidy.
1215         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1216         (function_value_32): New, from parts of ix86_function_value
1217         and ix86_value_regno.
1218         (function_value_64): New, from parts of ix86_function_value
1219         and ix86_libcall_value.
1220         (ix86_function_value_1): New.
1221         (ix86_function_value, ix86_libcall_value): Use it.
1222         (return_in_memory_32, return_in_memory_64): Split out ...
1223         (ix86_return_in_memory): ... from here.
1224         (ix86_struct_value_rtx): Skip for 64-bit.
1225         (ix86_libcall_value, ix86_value_regno): Remove.
1226         (setup_incoming_varargs_64): Split out ...
1227         (ix86_setup_incoming_varargs): ... from here.
1228         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1229         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1230         * config/i386/i386-protos.h (ix86_function_value): Remove.
1231         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1233 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1235         PR other/23572
1236         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1237         infinities not supported, otherwise emit warning if -Woverflow. On
1238         underflow, emit warning if -Woverflow.
1239         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1240         and 0 otherwise.
1241         * real.h (real_from_string): Update declaration
1243 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1244             Richard Henderson  <rth@redhat.com>
1246         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1247         * calls.c (compute_argument_block_size, expand_call,
1248         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1249         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1250         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1251         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1252         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1253         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1254         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1255         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1256         Set to 1.
1258 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1260         * c-incpath.c (add_sysroot_to_chain): New.
1261         (merge_include_chains): Add sysroot argument.  Call
1262         add_sysroot_to_chain if sysrooted.
1263         (register_include_chains): Update call to merge_include_chains.
1264         * doc/cppopts.texi: Document use of '=' in include directory
1265         arguments.
1267 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1269         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1270         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1271         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1272         insn pattern using X87MODEF12 mode macro.
1274 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1276         * regmove.c (regmove_optimize): Use reg_mentioned_p
1277         instead of reg_overlap_mentioned_p for DST.
1279 2007-03-21  Mike Stump  <mrs@apple.com>
1281         * c.opt: Fixup for Objective-C/C++.
1283 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1285         * explow.c (convert_memory_address): Fold memory reference when
1286         POINTERS_EXTEND_UNSIGNED < 0
1288 2007-03-21  Richard Henderson  <rth@redhat.com>
1290         PR target/31245
1291         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1292         * config/i386/mmintrin.h (__m64): Likewise.
1293         * config/i386/xmmintrin.h (__m128): Likewise.
1295 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1297         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1298         (VXWORKS_OS_CPP_BUILTINS): Define.
1299         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1300         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1302 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1304         * rtl.h (constant_pool_reference_p): Delete.
1305         (find_constant_src): Declare.
1306         * rtlanal.c (find_constant_src): New function.
1307         * simplify-rtx.c (constant_pool_reference_p): Delete.
1308         * config/i386/i386.md: Use find_constant_src instead of
1309         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1311 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1313         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1314         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1316 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1318         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1319         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1320         (arm_elf_asm_constructor): Use it.
1321         (arm_elf_asm_destructor): New function.
1323 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1325         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1327 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1329         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1331 2007-03-19  Andrew Haley  <aph@redhat.com>
1333         PR tree-optimization/31264
1334         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1335         VIEW_CONVERT_EXPRs.
1337 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1339         PR rtl-optimization/30907
1340         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1341         (fwprop_init): Always call loop_optimizer_initialize.
1342         (fwprop_done): Always call loop_optimizer_finalize.
1343         (fwprop): We always have loop info now.
1344         (gate_fwprop_addr): Remove.
1345         (pass_fwprop_addr): Use gate_fwprop as gate.
1347         PR rtl-optimization/30841
1348         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1349         df_chain_alloc): Call df_reorganize_refs unconditionally.
1350         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1351         refs_organized to refs_organized_size.
1352         (df_ref_create_structure): Use refs_organized_size instead of
1353         bitmap_size if refs had been organized, and keep refs_organized_size
1354         up-to-date.
1355         * df.h (struct df_ref_info): Change refs_organized to
1356         refs_organized_size.
1357         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1358         bitmap_size.
1360 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1362         * except.c (output_function_exception_table): Do not reference the
1363         EH personality routine for functions that do not require an
1364         exception table.
1366 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1368         PR c/30762
1369         * c-typeck.c (convert_for_assignment): Call comptypes for
1370         RECORD_TYPE or UNION_TYPE.
1372         PR inline-asm/30505
1373         * reload1.c (reload): Do invalid ASM checking after
1374         cleanup_subreg_operands.
1376 2007-03-19  Jeff Law  <law@redhat.com>
1378         * tree-cfg.c (find_taken_edge): Tighten conditions for
1379         optimizing computed gotos.
1381 2007-03-19  Michael Matz  <matz@suse.de>
1383         * builtins.c (expand_builtin_sync_operation,
1384         expand_builtin_compare_and_swap,
1385         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1386         correctly.
1388         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1389         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1390         for operand 3.
1392 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1394         * doc/tm.texi: Add brackets around the return type of
1395         TARGET_SECONDARY_RELOAD.
1397 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1398         Richard Guenther  <rguenther@suse.de>
1400         PR tree-optimization/31254
1401         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1402         Use handled_component_p () where appropriate.  Continue
1403         propagating into the rhs if we propagated into an INDIRECT_REF
1404         on the lhs.
1406 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1408         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1409         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1410         (xde, xdee): Mode attributes adjusted to support DFP modes.
1411         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1412         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1413         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1414         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1415         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1416         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1417         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1418         numbers.
1419         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1420         "movsf"): Insn definitions removed.
1421         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1422         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1423         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1424         definitions added.
1425         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1426         "reload_in<mode>", "reload_out<mode>"): Expander added.
1427         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1428         Expander removed.
1430 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1432         * config/s390/s390.md: Only non-functional changes.  Renamed
1433         FPR mode macro to BFP all over the file.
1435 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1437         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1438         (op_type attribute): RRF instruction type added.
1439         (fT0): New mode attribute.
1440         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1441         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1442         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1443         no secondary memory is needed when moving DFmode values between GPRs
1444         and FPRs.
1446 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1448         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1449         inverted and documentation adjusted.
1450         ("mhard-dfp", "msoft-dfp"): New options.
1451         * config/s390/s390.c (s390_handle_arch_option): New architecture
1452         switch: z9-ec.
1453         (override_options): Sanity checks for the new options added.
1454         * config.gcc: New architecture switch: z9-ec.
1455         * config/s390/s390.h (processor_flags): PF_DFP added.
1456         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1457         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1458         when the bit is NOT set so remove it from the defaults.
1460 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1462         * genemit.c (main): Print include statement for dfp.h.
1463         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1464         is not available.
1466 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1468         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1470 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1472         PR target/31022
1473         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1474         instead of PATTERN.
1476 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1478         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1479         attr_length_call, output_call, output_indirect_call): Cleanup
1480         formatting of targetm calls.
1482 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1484         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1486 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1488         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1489         reservation, bypass and anti-bypass descriptions for these instructions.
1490         Update move patterns.
1491         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1492         TYPE_FPSTORE.
1494 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1496         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1497         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1498         (get_initial_def_for_reduction): Likewise.
1500 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1502         Fix PR tree-optimization/29922
1503         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1504         (get_representative): Removed.
1505         (value_dies_in_block_x): Update for rvuse removal.
1506         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1507         (compute_antic_aux): Handle when PHI nodes appear in
1508         non-single-successors.
1509         (dump_bitmap_of_names): Removed.
1510         (compute_antic_safe): Renamed and removed rvuse calculation.
1511         Calculate only antic safe.
1512         (insert_into_preds_of_block): Remove assert.
1513         (execute_pre): Update for renamed functions.
1514         (defer_or_phi_translate_block): New function.
1516 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1518         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1519         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1520         typos.
1521         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1522         Follow spelling conventions.
1524         * tree-data-ref.h: Remove the prototype for analyze_array.
1526 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1528         PR tree-optimization/31041
1529         * tree-vect-transform.c (get_initial_def_for_induction): Call
1530         force_gimple_operand.
1532 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1534         * ipa-type-escape.c (look_for_casts) : Revert code to use
1535         handled_component_p due to ada test a-numaux.adb.
1537 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1539         * final.c (final_scan_insn): Alter the condition of a
1540         conditional trap if we have nonstandard CC.
1542 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1544         * configure.ac: Remove excess quoting from asm line 0 test.
1545         * configure: Rebuilt.
1547 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1549         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1550         * c-common.c (convert_and_check): Move warning logic to...
1551         (warnings_for_convert_and_check): ...here. Define.
1552         * c-common.h (warnings_for_convert_and_check): Declare.
1554 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1556         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1557         (output_call): Likewise.
1559 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1561         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1563 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1565         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1567 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1569         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1570         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1572 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1574         PR tree-optimization/31183
1575         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1576         Use double_int instead of unsigned int for representing access_strides.
1577         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1579 2007-03-16  Richard Guenther  <rguenther@suse.de>
1581         PR tree-optimization/31146
1582         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1583         to allow recursion of forward_propagate_addr_expr.
1584         (forward_propagate_addr_into_variable_array_index): Likewise.
1585         (forward_propagate_addr_expr): Likewise.
1586         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1587         (forward_propagate_addr_expr_1): Recurse on simple copies
1588         instead of propagating into them.  Do so for useless conversions
1589         as well.
1590         (forward_propagate_addr_expr): Clean up unused statements after
1591         recursion.
1593 2007-03-16  Richard Guenther  <rguenther@suse.de>
1595         * builtins.c (expand_builtin_cexpi): Use the right argument
1596         for the expansion via cexp.
1598 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1600         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1601         * configure: Rebuilt.
1603 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1605         PR debug/29906
1606         * dwarf2out.c (force_type_die): Adjust comment.
1607         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1609 2007-03-15  DJ Delorie  <dj@redhat.com>
1611         * config/frv/predicates.md (minmax_operator): Don't check operands
1612         here.
1614 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1616         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1617         Update constant estimates of number of iterations.
1618         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1619         argument renamed to "realistic".
1620         (compute_estimated_nb_iterations): Removed.
1621         (record_niter_bound): New function.
1622         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1623         call record_nonwrapping_iv with upper = false.
1624         (infer_loop_bounds_from_signedness): Pass upper argument to
1625         record_nonwrapping_iv.
1626         (estimate_numbers_of_iterations_loop): Do not call
1627         compute_estimated_nb_iterations.  Record estimate based on profile
1628         information.  Initialize the constant estimates of number of
1629         iterations.
1630         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1631         estimates.
1632         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1633         number of iterations is too small.
1634         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1635         (EST_NOT_AVAILABLE): Removed.
1636         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1637         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1638         fields.
1640 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1642         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1643         Handle NE_EXPR guards.
1645 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1647         PR c++/24924
1648         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1649         Set also -pedantic-errors by default for the  preprocessor unless
1650         -fpermissive is given.
1652 2007-03-15  Richard Guenther  <rguenther@suse.de>
1654         PR middle-end/29719
1655         PR middle-end/31161
1656         * builtins.c (expand_builtin_cexpi): As a fallback if we
1657         don't have builtins for sincos or cexp create a function
1658         declaration for cexp and expand to a call to that.
1659         (expand_builtin_int_roundingfn): Always fall
1660         back to floor/ceil and its variants even if they may be
1661         not available.
1663 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1665         PR middle-end/31159
1666         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1667         jump tables, move the call to delete_dead_jumptables from here...
1668         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1669         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1670         don't allow merging of blocks that try_redirect_by_replacing_jump
1671         also does not handle when not optimizing.
1673 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1674             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1676         * config/i386/i386.md (x86_sahf_1): Correctly handle
1677         HAVE_AS_IX86_SAHF.
1679 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1681         PR target/31167
1682         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1683         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1684         from operand constraints and use "e" constraint instead.
1685         (*subti3_1, *subti3_1 splitter): Ditto.
1686         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1687         operand[1] predicate.
1689 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1691         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1692         arrays, multiply the access strides by the size of the sub-array.
1693         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
1695 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1697         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
1698         the configured assembler supports the sahf mnemonic.
1699         * configure: Regenerate.
1700         * config.in: Regenerate.
1702         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
1703         emit "sahf" or ".byte\t0x9e" as asm template.
1705 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
1707         PR 31018
1708         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
1709         option to replace hard coded TARGET_xxx in md file.
1710         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
1711         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1712         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
1713         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
1714         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
1715         (X86_TUNE_NOT_VECTORMODE): Ditto.
1716         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
1717         (TUNE_AVOID_VECTOR_DECODE): Ditto.
1718         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
1719         (TUNE_SLOW_IMUL_IMM8): Ditto.
1720         (TUNE_MOVE_M1_VIA_OR): Ditto.
1721         (TUNE_NOT_UNPAIRABLE): Ditto.
1722         (TUNE_NOT_VECTORMODE): Ditto.
1724         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
1725         options.
1727         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
1728         tuning options instead of hard coded TARGET_xxx.
1729         (fix ssemode peephole2's): Ditto.
1730         (imul peephole2's): Ditto.
1731         (movsi_or): Ditto.
1732         (movdi_or_rex64): Ditto.
1733         (move peephole2): Ditto.
1734         (not peephole2's): Ditto.
1736 2007-03-14  Dirk Mueller  <dmueller@suse.de>
1738         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
1739         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
1740         * c-parser.c (c_parser_if_body): Always add an empty statement in case
1741         of empty body.
1742         * c-parser.c (c_parser_do_statement): Warn about empty body in
1743         do/while statement.
1744         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
1745         * doc/invoke.texi (-Wempty-body): Update documentation.
1747 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1749         PR c/21438
1750         * c-common.h (warn_for_div_by_zero): Declare.
1751         * c-common.c (warn_for_div_by_zero): Define.
1752         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
1753         warning.
1755 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1757         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
1758         to PREFIX and STANDARD_PREFIX.
1760 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1761             Phil Edwards  <phil@codesourcery.com>
1763         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
1764         (__gthread_once_t): Remove busy field for RTPs.
1765         (__GTHREAD_ONCE_INIT): Update accordingly.
1767 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
1769         * doc/invoke.texi: Document VxWorks options.
1771 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
1773         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
1775 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
1777         PR tree-optimization/30590
1778         * tree-nrv.c (tree_nrv): Check for the partial update of the
1779         return value.
1781 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1783         * flags.h (flag_random_seed): Remove declaration, in favor of...
1784         * toplev.h (get_random_seed, set_random_seed): ... these.
1785         * tree.c (get_file_function_name): Use the former.
1786         * opts.c (common_handle_option): Use the latter.
1787         * toplev.c
1789 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
1791         PR middle-end/31127
1792         * cse.c (cse_find_path): Do not bail out if a basic block that
1793         we already visited now becomes part of a path that starts at a
1794         different basic block.  Just disallow this, to make sure we
1795         visit each basic block at most once.
1797 2007-03-13  Jan Hubicka  <jh@suse.cz>
1799         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
1800         when profile esitmate is present, calls with very low frequency are
1801         cold.
1803 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
1805         PR tree-optimization/30730
1806         PR tree-optimization/26900
1807         * tree-ssa-loop-niter.c: Include gmp.h.
1808         (bounds): New type.
1809         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
1810         split_to_var_and_offset, determine_value_range,
1811         bound_difference_of_offsetted_base, refine_bounds_using_guard,
1812         bound_difference, bounds_add, bounds_negate,
1813         number_of_iterations_ne_max, dump_affine_iv): New functions.
1814         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1815         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
1816         difference of initial and final value of control iv to validate
1817         results.
1818         (number_of_iterations_cond): Add loop parameter.  Determine bounds
1819         on the difference of the extremes of the control iv.  Add dumps.
1820         (expand_simple_operations): Handle phi nodes.
1821         (simplify_using_initial_conditions): Do not record used conditions.
1822         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
1823         Do not set additional_info.
1824         (implies_nonnegative_p, implies_ge_p): Removed.
1825         (derive_constant_upper_bound): Do not use parameter `additional'.
1826         (record_estimate): Parameter `additional' removed.  Parameter
1827         `i_bound' added.  Do not call derive_constant_upper_bound.
1828         (record_nonwrapping_iv): Use derive_constant_upper_bound to
1829         bound the number of iterations estimate.
1830         (estimate_numbers_of_iterations_loop): Pass the estimate from
1831         the number of iterations analysis to record_estimate.
1832         * tree.h (multiple_of_p): Declare.
1833         * tree-scalar-evolution.c (expression_expensive_p): Removed.
1834         (scev_const_prop): Do not check expression_expensive_p.
1835         * fold-const.c (multiple_of_p): Exported.
1836         * double-int.c (double_int_mask): Exported.
1837         * double-int.h (double_int_mask): Declare.
1838         * tree-flow.h (struct tree_niter_desc): Removed additional_info
1839         field.  Added max field.
1841 2007-03-13  David Taylor  <taylor@candd.org>
1843         PR driver/12448:
1844         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
1845         default -MQ.
1847 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1849         PR target/31123
1850         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1851         two unamed patterns.
1853 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
1855         * config/i386/i386.opt (mcx16, msahf): New options.
1856         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
1857         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
1859         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
1860         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
1861         Output -mcx16 and -msahf options when corresponding bit is set.
1863         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
1864         and -msahf options.
1866 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
1868         * configure.ac: Test for assembler tolerance to # 0 "".
1869         * configure, config.in: Rebuilt.
1870         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
1872 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
1874         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
1876         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
1877         (handle_syscall): Handle direct system calls.
1878         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
1880 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1882         * doc/invoke.texi: Fix cpp.info cross-reference.
1883         * doc/passes.texi: Fix gcc.info cross-reference.
1885 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
1887         PR tree-optimization/30835
1888         * lambda-code.c (can_convert_to_perfect_nest): Check whether
1889         bb_for_stmt is not NULL before accessing it.
1891 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
1893         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
1894         some multilibs.
1896 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1898         PR 30635
1899         * doc/install.texi: Document --enable-stage1-languages
1901 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
1903         * tree-pass.h (pass_into_cfg_layout_mode,
1904         pass_outof_cfg_layout_mode): Declare.
1905         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
1906         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
1907         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
1908         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
1910 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
1912         * c-decl.c (warn_variable_length_array): New function.
1913         Refactored from grokdeclarator to handle warn_vla
1914         and handle unnamed array case.
1915         (grokdeclarator): Refactored VLA warning case.
1916         * c.opt (Wvla): New flag.
1917         * doc/invoke.texi (Wvla): New warning.
1919 2007-03-12  Richard Henderson  <rth@redhat.com>
1921         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1922         (TARGET_SECTION_TYPE_FLAGS): New.
1924 2007-03-12  Richard Henderson  <rth@redhat.com>
1926         * config/darwin.c (machopic_reloc_rw_mask): New.
1927         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1928         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1930 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
1932         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
1933         * cppdefault.h (cpp_PREFIX): Document.
1934         (cpp_PREFIX_len): Likewise.
1935         (cpp_EXEC_PREFIX): New variable.
1936         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
1937         * c-incpath.c (add_standard_paths): Correct logic for relocating
1938         paths within prefix.
1940 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
1942         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
1943         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
1944         mode macro.
1945         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
1946         fix_truncdfdi_sse using SSEMODEF mode macro.
1947         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
1948         fix_truncdfsi_sse using SSEMODEF mode macro.
1949         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
1950         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
1952 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
1954         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
1955         elfos.h to tm_file.
1957 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
1959         * tree.h : Add multiple_of_p declaration.
1960         * fold-const.c (multiple_of_p): Make multiple_of_p public.
1961         * ipa-type-escape.c (results_of_malloc): Redundant.
1962         (visited_stmts): New. Visited stmt for walk_use_def_chains.
1963         (cast_type): Extended with new members.
1964         (check_cast): Returns cast_type.
1965         (cast): New structure for data of walk_use_def_chains.
1966         (is_malloc_result, is_cast_from_non_pointer_1,
1967         is_cast_from_non_pointer,
1968         is_array_access_through_pointer_and_index): New functions.
1969         (look_for_casts): Returns cast types.
1970         (check_call): Returns void.
1971         (okay_pointer_operation): Use support of pointer plus index,
1972         pointer plus constant and allow all multiplications.
1974 2007-03-11  Richard Guenther  <rguenther@suse.de>
1976         PR tree-optimization/31115
1977         * tree-vrp.c (extract_range_from_binary_expr): Make sure
1978         the shift count is positive and non-anti-range for RSHIFT_EXPR.
1979         A shift count of zero is not special as with *_DIV_EXPR.
1980         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
1981         direction.
1983 2007-03-11  Ian Lance Taylor  <iant@google.com>
1985         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1986         the *_DIV_EXPR codes correctly with overflow infinities.
1988 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1990         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1991         indicate success/failure of the analysis. Add negation to subtrahend
1992         in case of subtraction. Fail if both operands contain constants.
1993         (create_data_ref): Fail if analyze_offset fails.
1995 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
1997         * config/i386/i386.md (frndintxf2): Rename to ...
1998         (rintxf2): ... this. Remove expander having same name.
1999         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2000         (roundsf2, rounddf2): Ditto.
2001         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2002         (lround<mode>di2, lround<mode>si2): Ditto.
2004 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2006         * lower-subreg.c: Include except.h.
2007         (decompose_multiword_subregs): Verify that the only control flow
2008         insns we can split are loads to multi-words pseudos.
2009         Handle breaking such blocks after splitting, instead of calling
2010         find_many_sub_basic_blocks.
2012         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2013         on the new basic block.  Add a lengthy comment explaining why we
2014         thought this was necessary.
2015         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2017 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2019         PR c++/30924
2020         * tree.c (walk_type_fields): Recurse into the element type of
2021         ARRAY_TYPEs if there is a pointer set.
2023 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2025         * c-common.c (warn_logical_operator): Fix condition.
2027 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2029         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2030         quotation mark.
2031         * config/darwin.c (machopic_select_section): Remove superfluous
2032         argument in call to categorize_decl_for_section.  Remove unused
2033         variable shlib.
2035 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2037         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2038         defined.
2039         * configure: Regenerate.
2041 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2043         PR target/31101
2044         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2045         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2046         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2047         Add LABEL_NUSES to emitted label.
2048         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2049         branch probability value to emitted jump insn.
2050         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2051         Do not check life information and do not re-arrange input operands
2052         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2054 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2056         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2057         the change of decode_asm_operands.
2059 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2061         * mode-switching.c (create_pre_exit): Skip blockage insn.
2063 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2065         * tree-pass.h (TODO_update_smt_usage): Remove.
2066         Update all users.
2067         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2068         argument SOME.
2069         Update all users.
2071 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2073         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2074         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2075         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2076         SOM target.
2078 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2080         * gcc.c: Document %{, in big comment at top.
2081         (input_suffix_matches): Remove special handling for .s and
2082         .S.
2083         (input_spec_matches): New.
2084         (handle_braces): Handle %{,.
2085         (validate_switches): ',' indicates a value which is not a switch.
2086         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2087         to detect assembler input.
2088         * config/i386/sol2.h (CPP_SPEC): Likewise.
2089         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2090         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2091         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2092         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2093         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2094         -m64 causes deployment target to default to 10.5.
2095         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2097 2007-03-09  Richard Henderson  <rth@redhat.com>
2099         PR target/26090
2100         * target.h (targetm.asm.out.reloc_rw_mask): New.
2101         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2102         (TARGET_ASM_OUT): Use it.
2103         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2104         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2105         use the new reloc_rw_mask target hook instead.
2106         (default_section_type_flags_1): Merge into...
2107         (default_section_type_flags): ... here.
2108         (decl_readonly_section_1): Merge into...
2109         (decl_readonly_section): ... here.
2110         (default_elf_select_section_1): Merge into...
2111         (default_elf_select_section): ... here.
2112         (default_unique_section_1): Merge into...
2113         (default_unique_section): ... here.
2114         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2115         (default_select_rtx_section): Use it.
2116         (default_elf_select_rtx_section): Likewise.
2117         * output.h: Update to match.
2118         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2119         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2120         (TARGET_ASM_RELOC_RW_MASK): New.
2121         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2122         to categorize_decl_for_section.
2123         (x86_64_elf_unique_section): Likewise.
2124         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2125         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2126         (TARGET_ASM_RELOC_RW_MASK): New.
2127         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2128         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2129         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2130         (TARGET_RWRELOC): Remove.
2131         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2132         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2133         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2134         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2135         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2136         (rs6000_xcoff_select_section): Use decl_readonly_section.
2137         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2138         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2139         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2140         (TARGET_SECTION_TYPE_FLAGS): Remove.
2141         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2143 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2145         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2146         complex constant equality/inequality comparisons for here.
2147         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2148         known at compile-time or can be simplified to a scalar comparison.
2149         (fold_relational_const): Move compile-time evaluation of complex
2150         constant equality/inequality comparisons to here.
2152 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2154         PR rtl-optimization/30643
2155         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2156         dest_addr_elt.
2157         (fold_rtx): Recurse, like before 2006-11-03.
2159 2007-03-09  DJ Delorie  <dj@redhat.com>
2161         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2162         m32c-pragma.o.
2164 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2166         PR tree-optimization/30375
2167         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2168         LHS of statements is not the same.
2169         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2171 2007-03-09  Chao-ying Fu  <fu@mips.com>
2173         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2174         REV 2.
2175         * doc/invoke.texi (-mdspr2): Document new option.
2176         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2177         New unspec for DSP REV 2.
2178         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2179         these instructions are extended in DSP REV 2.
2180         (mips-dspr2.md): Include.
2181         * config/mips/mips.opt (mdspr2): New option.
2182         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2183         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2184         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2185         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2186         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2187         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2188         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2189         and 2 builtins.
2190         (bdesc_map): Add one field of unsupported_target_flags.
2191         (bdesc_arrays):  Update entries to have extra fields.  Add
2192         dsp_32only_bdesc.
2193         (mips_init_builtins): Initialize new function types.
2194         Check unsupported_target_fileds to filter out builtins.
2195         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2196         TARGET_DSPR2.
2197         (ASM_SPEC): Pass mdspr2 to the assembler.
2198         * config/mips/mips-dspr2.md: New file.
2200 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2202         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2204 2007-03-09  Ian Lance Taylor  <iant@google.com>
2206         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2207         argument) like -Wstrict-overflow=2.
2208         * doc/invoke.texi (Warning Options): Update documentation.
2210 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2212         PR c++/17946
2213         * doc/invoke.texi (-Wlogical-op): Document.
2214         * common.opt (-Wlogical-op): New.
2215         * c-common.h (warn_logical_operator): Declare.
2216         * c-common.c (warn_logical_operator): Define.
2217         * c-typeck.c (parser_build_binary_op): Call
2218         warn_logical_operator.
2220 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2222         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2223         * final.c (final_scan_insn): Test for non-"" file name.
2225 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2227         * doc/loop.texi: Document the Omega linear constraints solver.
2228         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2229         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2230         omega-hash-table-size, omega-max-keys, and
2231         omega-eliminate-redundant-constraints.
2232         * tree-pass.h (pass_check_data_deps): Declared.
2233         * omega.c: New.
2234         * omega.h: New.
2235         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2236         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2237         pass_check_data_deps): New.
2238         * tree-data-ref.c (init_data_ref): Remove declaration.
2239         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2240         (analyze_array): Renamed init_array_ref, move up initializations.
2241         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2242         Removed arguments that are set to NULL.
2243         (analyze_indirect_ref): Correct indentation, correct call to
2244         init_pointer_ref.
2245         (object_analysis): Call init_array_ref instead of analyze_array.
2246         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2247         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2248         of DR_ACCESS_FNS_ADDR.
2249         (init_omega_eq_with_af, omega_extract_distance_vectors,
2250         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2251         ddr_consistent_p): New.
2252         (compute_affine_dependence): Check consistency of ddrs when
2253         flag_check_data_deps is passed.
2254         (analyze_all_data_dependences): Uncomment.
2255         (tree_check_data_deps): New.
2256         * tree-data-ref.h: Include omega.h.
2257         (DR_ACCESS_FNS_ADDR): Removed.
2258         (data_dependence_relation): Add inner_loop.
2259         (DDR_INNER_LOOP): New.
2260         * common.opt (fcheck-data-deps): New.
2261         * tree-flow.h (tree_check_data_deps): Declare.
2262         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2263         (OBJS-common): Depend on omega.o.
2264         (omega.o): Define.
2265         * passes.c (pass_check_data_deps): Scheduled.
2266         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2267         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2268         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2269         PARAM_VECT_MAX_VERSION_CHECKS,
2270         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2272 2007-03-09  Richard Guenther  <rguenther@suse.de>
2274         PR tree-optimization/30904
2275         PR middle-end/31058
2276         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2277         the same way as *_DIV_EXPR.
2279 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2281         * recog.c (decode_asm_operands): No mixed declarations and code.
2283 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2285         * rtl.def (ASM_INPUT): Add location.
2286         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2287         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2288         (decode_asm_operands): Add loc operand.
2289         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2290         * stmt.c (expand_asm): Rename to...
2291         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2292         gen_rtx_ASM_INPUT_loc.
2293         (expand_asm_expr): Adjust.
2294         * recog.c (decode_asm_operands): Add loc operand.
2295         (check_asm_operands, extract_insn): Adjust.
2296         * reload1.c (maybe_fix_stack_asms): Likewise.
2297         * final.c (asm_insn_count): Likewise.
2298         (final_scan_insn): Output # line before and after asm.
2300 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2302         * tree-ssa-structalias.c (variable_info): Remove
2303         finished_solution.
2304         (new_var_info): Ditto.
2305         (shared_bitmap_info_t): New structure.
2306         (shared_bitmap_table): New variable.
2307         (shared_bitmap_hash): New function.
2308         (shared_bitmap_eq): Ditto
2309         (shared_bitmap_lookup): Ditto.
2310         (shared_bitmap_add): Ditto.
2311         (merge_smts_into): Change to take bitmap directly.
2312         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2313         (init_alias_vars): Init shared bitmap hashtable.
2314         (delete_points_to_sets): Delete shared bitmap hashtable.
2315         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2316         is_aliased removal as a change that was still necessary was
2317         deleted.
2319 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2321         * config/i386/i386.h (override_options): Conditionally disable
2322         x86_sahf for 64bit targets only.
2324 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2326         PR C/31072
2327         * c-decl.c (merge_decls): Don't call make_var_volatile.
2328         * varasm.c (make_var_volatile): Remove.
2329         * output.h (make_var_volatile): Remove.
2331 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2333         PR tree-optimization/31085
2334         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2336 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2338         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2339         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2340         ATTR_CONST_NOTHROW_LIST.
2342         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2343         FIX_TRUNC_EXPR.
2345 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2347         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2349 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2351         PR 31013
2352         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2353         is declared.
2354         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2355         passed, use shared libgcc.
2357 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2359         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2360         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2361         (honor_protect_cleanup_actions, lower_try_finally_switch):
2362         Likewise.
2363         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2364         ifc_temp_var): Likewise.
2365         * tree-inline.c (setup_one_parameter): Likewise.
2366         * tree-mudflap.c (mf_decl_cache_locals,
2367         mf_build_check_statement_for): Likewise.
2368         * tree-nested.c (init_tmp_var, save_tmp_var,
2369         finalize_nesting_tree_1): Likewise.
2370         * tree-outof-ssa.c (insert_copy_on_edge,
2371         insert_backedge_copies): Likewise.
2372         * tree-profile.c (tree_gen_edge_profiler,
2373         tree_gen_ic_profiler): Likewise.
2374         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2375         * tree-sra.c (sra_build_assignment): Likewise.
2376         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2377         * tree-ssa-math-opts.c (insert_reciprocals,
2378         execute_cse_sincos_1): Likewise.
2379         * tree-tailcall.c (adjust_accumulator_values,
2380         adjust_return_value): Likewise.
2381         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2382         * tree-vect-transform.c (vect_create_data_ref_ptr,
2383         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2384         vect_create_epilog_for_reduction, vectorizable_reduction,
2385         vectorizable_call, vectorizable_conversion,
2386         vectorizable_assignment, vectorizable_operation,
2387         vectorizable_type_demotion, vect_gen_widened_results_half,
2388         vect_permute_store_chain, vectorizable_store,
2389         vect_setup_realignment, vect_permute_load_chain,
2390         vectorizable_load, vectorizable_condition,
2391         vect_create_cond_for_align_checks): Likewise.
2392         * tree-vrp.c (build_assert_expr_for): Likewise.
2394 2007-03-08  Ian Lance Taylor  <iant@google.com>
2396         * tree-vrp.c: Include "intl.h".
2397         (usable_range_p): New static function.
2398         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2399         overflowed values, juts set *strict_overflow_p.
2400         (compare_values): Only return -2 if one of the operands is not a
2401         constant.
2402         (compare_ranges): Call usable_range_p.
2403         (compare_range_with_value): Likewise.
2404         (vrp_evaluate_conditional_warnv): Rename from
2405         vrp_evaluate_conditional.  Make static.  Change all callers.
2406         (vrp_evaluate_conditional): New function.
2407         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2408         on signed overflow.
2409         (simplify_abs_using_ranges): Likewise.
2410         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2411         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2412         within_stmt parameter.
2413         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2414         vrp_evaluate_conditional.
2415         * tree-ssa-threadedge.c
2416         (record_temporary_equivalences_from_stmts_at_dest): Change
2417         simplify parameter to take a second tree parameter.
2418         (simplify_control_stmt_condition): Likewise.
2419         (thread_across_edge): Likewise.
2420         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2421         (thread_across_edge): Likewise.
2422         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2424 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2426         * config/i386/i386.h (TARGET_SAHF): New define.
2427         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2428         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2429         (x86_sahf): New global variable.
2430         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2431         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2432         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2433         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2434         for 64-bit.
2435         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2436         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2437         when expanding fcomi/sahf based tests.
2438         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2439         expanding sahf based alternative. Emit sahf based sequence when
2440         optimizing for code size.
2441         * config/i386/i386.md (x86_sahf_1): Do not disable for
2442         TARGET_64BIT, enable for TARGET_SAHF.
2444 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2446         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2447         spurious whitespace from error message.
2449 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2451         PR c++/30852
2452         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2454 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2456         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2457         bitfields.
2458         * tree-sra.c (instantiate_element): Propagate disabled warnings
2459         from the element itself to the created variable.
2461 2007-03-07  Richard Henderson  <rth@redhat.com>
2463         PR target/30848
2464         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2465         silently fix up the stack in the case of a missing register.
2467 2007-03-07  Paul Brook  <paul@codesourcery.com>
2469         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2471 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2473         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2474         New.
2475         (phase1_vrs): Use them.
2476         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2477         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2478         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2479         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2480         __gnu_Unwind_Restore_WMMXC if required.
2481         (_Unwind_VRS_Pop): Implement iWMMXt support.
2482         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2483         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2484         gnu_Unwind_Save_WMMXC): Define.
2486 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2488         * config/vxworks.h (vxworks_override_options): Declare.
2489         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2490         * config/vxworks.c: Include target.h and toplev.h.
2491         (vxworks_override_options): New function.
2492         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2494 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2496         * config/s390/s390.c (override_options): Don't emit an error when
2497         -mstack-size is used without providing -mstack-guard.
2498         (s390_emit_prologue): Choose stack_guard value automatically if not
2499         provided via command line.
2500         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2502 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2504         * config/i386/i386.c (output_set_got): Add a GOT initialization
2505         sequence for VxWorks PIC.
2506         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2507         around labels as well as symbols.  Use gotoff_operand instead
2508         of local_symbolic_operand.
2509         (legitimize_pic_address): Use gotoff_operand instead of
2510         local_symbolic_operand.  Use @GOT accesses for labels as
2511         well as symbols.
2512         (ix86_output_addr_diff_elt): Use PC-relative rather than
2513         GP-relative offsets for VxWorks PIC.
2514         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2515         no_new_pseudos.  Check whether the returned register is op0.
2516         * config/i386/i386.md (tablejump): Use PC-relative rather than
2517         GP-relative offsets for VxWorks PIC.
2518         * config/i386/predicates.md (gotoff_operand): New predicate.
2520 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2522         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2523         before defining.
2524         * config/vxworks-dummy.h: New file.
2525         * config/i386/i386.h: Include it.
2527 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2529         * dwarf2out.c (is_inlined_entry_point): New
2530         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2531         DW_AT_ranges if the first subblock is the entry point.
2533 2007-03-06  David Daney  <ddaney@avtrex.com>
2535         * doc/install.texi (mips-*-*): Change recommended binutils
2536         version.
2538 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2540         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2541         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2542         devices.
2543         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2544         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2546 2007-03-06  Jan Hubicka  <jh@suse.cz>
2548         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2549         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2550         are hot.
2551         (probably_cold_bb_p): Cold functions are cold.
2552         (probably_never_executed_bb_p): Cold functions are cold.
2553         (tree_bb_level_predictions): Predict calls to cold functions as not
2554         taken.
2555         (compute_function_frequency): Check hot/cold attributes.
2556         * function.h (function_frequency): Update comments.
2557         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2558         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2559         (c_common_att): Add cold and hot.
2561         * doc/extend.texi (hot,cold attributes): Document.
2563 2007-03-06  Andrew Haley  <aph@redhat.com>
2565         * function.c (expand_function_end): Move blockage to just after we
2566         emit the label for the naked return from the function.
2568 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2570         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2571         before redefining.
2573 2007-03-06  Jan Hubicka  <jh@suse.cz>
2575         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2576         loaded for constant large models.  Non-large 64bit PIC can do.
2577         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2578         * cmodel.h: Add LARGE PIC.
2579         * i386.md (UNSPEC_PLTOFF): New.
2580         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2581         needed.
2582         (*call_1_rex64): Disable for large models.
2583         (*call_1_rex64_large): New.
2584         (*call_value_1_rex64): Disable for large models.
2585         (*call_value_1_rex64_large): New.
2586         (set_rip_rex4): New.
2587         (set_got_offset_rex64): New.
2588         * predicates.md (constant_call_address_operand): For large model
2589         constant calls are not possible.
2590         * i386-protos.h (construct_plt_address): Declare.
2591         * i386.c (override_options): Accept large models.
2592         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2593         (legitimate_constant_p): Add new UNSPECs.
2594         (legitimate_pic_operand_p): Likewise.
2595         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2596         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2597         non-large model.
2598         (output_pic_addr_const): Add PLTOFF.
2599         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2600         (ix86_expand_move): Legitimize pic address when in PIC mode.
2601         (construct_plt_address): New function.
2602         (ix86_expand_call): Offload the address to register and use GOT pointer
2603         for large model.
2604         * invoke.texi (mcmodel=large): Update documentation.
2606 2007-03-06  Richard Henderson  <rth@redhat.com>
2608         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2609         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2610         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2611         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2612         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2613         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2614         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2615         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2616         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2617         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2618         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2619         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2620         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2621         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2622         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2623         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2624         x86_schedule, x86_use_bt, x86_pad_returns,
2625         x86_use_xchgb): Merge into ...
2626         (ix86_tune_features): ... here.  New array.
2627         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2628         x86_bswap): Merge into ...
2629         (ix86_arch_features): ... here.  New array.
2630         (x86_3dnow_a): Remove.
2631         (x86_accumulate_outgoing_args): Make static.
2632         (x86_arch_always_fancy_math_387): Make static.
2633         (ix86_tune_mask, ix86_arch_mask): Move ...
2634         (override_options): ... to local variables here.  Apply the
2635         appropriate mask to each element of ix86_arch_features and
2636         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2637         as were done in the old macros.
2638         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2639         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2640         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2641         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2642         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2643         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2644         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2645         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2646         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2647         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2648         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2649         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2650         x86_accumulate_outgoing_args, x86_prologue_using_move,
2651         x86_epilogue_using_move, x86_decompose_lea,
2652         x86_arch_always_fancy_math_387, x86_shift1,
2653         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2654         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2655         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2656         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2657         x86_use_incdec, x86_pad_returns, x86_bswap,
2658         x86_partial_flag_reg_stall): Remove.
2659         (enum ix86_tune_indices): New.
2660         (ix86_tune_features): New.
2661         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2662         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2663         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2664         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2665         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2666         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2667         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2668         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2669         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2670         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2671         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2672         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2673         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2674         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2675         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2676         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2677         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2678         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2679         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2680         TARGET_EXT_80387_CONSTANTS): Use it.
2681         (enum ix86_arch_indices): New.
2682         (ix86_arch_features): New.
2683         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2684         TARGET_BSWAP): Use it.
2685         (ix86_tune_mask, ix86_arch_mask): Remove.
2687 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2689         PR bootstrap/31020
2690         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2691         Define using $${sysroot_headers_suffix}.
2692         * configure: Regenerate.
2693         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
2694         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
2695         defined.
2696         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
2697         * gcc.c (print_sysroot_headers_suffix): New.
2698         (option_map): Include --print-sysroot-headers-suffix.
2699         (display_help): Mention -print-sysroot-headers-suffix.
2700         (process_command): Handle -print-sysroot-headers-suffix.
2701         (do_spec_1): Append multilib directory to include-fixed path if
2702         sysroot suffixes in use.
2703         (main): Handle -print-sysroot-headers-suffix.
2704         * Makefile.in (start.encap): Don't depend on xlimits.h
2705         (xlimits.h): Remove.
2706         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
2707         limits.h for each multilib in fixinc_list.
2708         (fixinc_list, s-fixinc_list): New.
2709         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
2710         generate them for each multilib in fixinc_list.
2711         (stmp-fixproto): Use include-fixed.  Run fixproto for each
2712         multilib in fixinc_list.
2713         (mostlyclean): Don't remove xlimits.h.
2714         (clean): Remove include-fixed.
2715         (real-install-headers-tar, real-install-headers-cpio,
2716         real-install-headers-cp): Don't copy include, only include-fixed.
2717         (install-mkheaders): Depend on fixinc_list.  Don't depend on
2718         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
2719         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
2720         SYSTEM_HEADER_DIR setting in mkheaders.conf.
2722 2007-03-06  Jan Hubicka  <jh@suse.cz>
2724         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
2725         NANs easilly.
2727 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2729         * configure.ac: Allow tm_file to contain build-directory files.
2730         * configure: Regenerate.
2731         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
2732         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
2733         * config/m68k/print-sysroot-suffix.sh: New file.
2735 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2737         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
2738         of pic_offset_table_rtx if reload_completed.
2739         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
2740         PIC_OFFSET_TABLE_REGNUM.
2741         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
2742         return true.
2743         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
2744         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
2746 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2748         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2749         functions that call eh_return.
2751 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2753         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
2754         functions that need a constant pool.
2756 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2758         PR target/28181
2759         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
2760         (m68k_preferred_reload_class): Likewise.
2761         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
2762         (SECONDARY_RELOAD_CLASS): Define.
2763         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
2764         (LIMIT_RELOAD_CLASS): Delete.
2765         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
2766         registers from storing bytes.
2767         (m68k_secondary_reload_class): New function.
2768         (m68k_preferred_reload_class): Likewise.
2770 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2772         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
2773         leaf functions.
2774         (m68k_expand_prologue): Likewise.
2776 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2778         * config/m68k/m68k-protos.h (output_sibcall): Declare.
2779         (mips_expand_epilogue): Add a bool parameter.
2780         (m68k_legitimize_sibcall_address): Declare.
2781         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
2782         (m68k_expand_epilogue): Add a parameter to select between sibling
2783         and normal epilogues.  Only generate a return for the latter.
2784         (m68k_ok_for_sibcall_p): New function.
2785         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
2786         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
2787         (sibcall_value, *sibcall_value): Likewise.
2788         (*call, *call_value): Require !SIBLING_CALL_P.
2789         (epilogue): Update call to m68k_expand_epilogue.
2790         (sibcall_epilogue): New pattern.
2791         * config/m68k/predicates.md (const_call_operand): Say that this
2792         predicate applies to sibling calls too.
2793         (sibcall_operand): New predicate.
2795 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2797         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
2798         alternatives as movsi_cf.
2799         (movsf_cf_hard): Add commentary.
2801 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
2802             Richard Sandiford  <richard@codesourcery.com>
2804         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
2805         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
2806         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
2807         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
2808         as being live on exit from an interrupt function.
2809         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
2810         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
2811         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
2812         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
2813         (m68k_interrupt_function_p): Globalize.
2814         (m68k_compute_frame_layout): Remove reverse mask code.
2815         (m68k_emit_movem, m68k_set_frame_related): New functions.
2816         (m68k_output_function_prologue): Delete in favor of...
2817         (m68k_expand_prologue): ...this new function.
2818         (m68k_output_function_epilogue): Delete in favor of...
2819         (m68k_expand_epilogue): ...this new function.
2820         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
2821         functions.
2822         (print_operand): Handle %?.
2823         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
2824         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
2825         (prologue, epilogue): New patterns.
2826         (return): Turn into a define_expand.
2827         (*return): New pattern, derived from old "return" pattern.  Use rte
2828         rather than rts for interrupt functions.  Only use rtd if the pop
2829         count is nonzero.
2830         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
2831         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
2832         (link, *link, unlink, *unlink, load_got): Likewise.
2834 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2836         PR target/23482
2837         PR target/17114
2838         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
2839         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
2840         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
2841         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
2842         and m68k_matches_u_p.
2843         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
2844         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
2845         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
2846         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
2847         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
2848         (REG_STRICT_P): New macro.
2849         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
2850         PCREL_GENERAL_OPERAND_OK.
2851         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
2852         m68k_legitimate_base_reg_p.
2853         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
2854         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
2855         (PIC_CASE_VECTOR_ADDRESS): Update comment.
2856         * config/m68k/m68k.c (m68k_address): New structure.
2857         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
2858         (m68k_decompose_index, m68k_legitimate_constant_address_p)
2859         (m68k_jump_table_ref_p, m68k_decompose_address)
2860         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
2861         (m68k_matches_u_p): New functions.
2862         (print_operand_address): Rewrite to use m68k_decompose_index.
2864 2007-03-05  David Taylor  <dtaylor@emc.com>
2866         * gcc.c: Correct copyright date in --version output.
2868 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2870         * pa.md: In unamed move patterns, disparge copies between general
2871         and floating point registers using '?' modifier.  Don't include 'f'
2872         constraint for register preferences in DImode, SImode, HImode and
2873         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
2874         Remove constraints for copies between general and floating registers
2875         in soft-float DFmode pattern.
2876         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
2877         floating register.
2878         (movsf): Likewise.
2880 2007-03-05  Mike Stump  <mrs@apple.com>
2882         * c-common.c (targetcm): Add.
2883         * c-opts.c (c_common_handle_option): Handle language specific
2884         target options.
2885         * opts.c (handle_option): Verify language for target options, if
2886         any are given.
2887         * opth-gen.awk: Add CL_LANG_ALL.
2888         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
2889         (TARGETCM_INITIALIZER): Add.
2890         * target.h (struct gcc_targetcm): Add.
2891         (targetcm): Add.
2892         * targhooks.c (default_handle_c_option): Add.
2893         * targhooks.h (default_handle_c_option): Add.
2894         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
2896         * config/darwin.opt (iframework): Add.
2897         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
2898         * config/darwin-c.c (handle_c_option): Add.
2899         (TARGET_HANDLE_C_OPTION): Add.
2900         (targetcm): Add.
2901         * doc/invoke.texi (Darwin Options): Add -iframework.
2903 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2905         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
2906         conversion.
2908 2007-03-05  Ian Lance Taylor  <iant@google.com>
2910         * c.opt (fgnu89-inline): New option.
2911         * c-opts.c (c_common_post_options): Set default value for
2912         flag_gnu89_inline.
2913         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
2914         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
2915         inline functions.
2916         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
2917         (grokdeclarator, start_function): Likewise.
2918         * c-cppbuiltin.c (c_cpp_builtins): Define either
2919         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
2920         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
2921         (C Dialect Options): Document -fgnu89-inline.
2922         * doc/extend.texi (Function Attributes): Explain what the
2923         gnu_inline attribute does.
2924         * doc/cpp.texi (Common Predefined Macros): Document
2925         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2927 2007-03-05  Ian Lance Taylor  <iant@google.com>
2929         PR tree-optimization/31034
2930         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
2931         half-range if the other side is an overflow infinity.
2933 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2935         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
2936         (bfin*-linux-uclibc*): New configuration.
2937         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
2938         defining.
2939         * config/bfin/linux.h: New file.
2940         * config/bfin/libgcc-bfin.ver: New file.
2941         * config/bfin/t-bfin-uclinux: New file.
2942         * config/bfin/t-bfin-linux: New file.
2943         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
2944         (TARGET_OS_CPP_BUILTINS): New macro.
2946 2007-03-05  Richard Guenther  <rguenther@suse.de>
2948         * fold-const.c (fold_binary): Remove duplicate folding
2949         of comparison of non-null ADDR_EXPR against null.
2951 2007-03-05  Richard Guenther  <rguenther@suse.de>
2952             Dorit Nuzman  <dorit@il.ibm.com>
2954         PR tree-optimization/26420
2955         * tree-vectorizer.c (vectorize_loops): Bail out early if there
2956         are no loops in the function.  Only print the number of
2957         vectorized loops if it is greater than zero or we are supposed
2958         to print information about unvectorized loops.
2960 2007-03-05  Revital Eres  <eres@il.ibm.com>
2962         * gcc.dg/var-expand1.c: New test.
2963         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
2964         when an accumulator is expanded.
2966 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2968         PR other/30465
2969         * c-common.c (convert_and_check): Don't give warnings for
2970         conversion if 'expr' already overflowed.
2972 2007-03-04  Roger Sayle  <roger@eyesopen.com>
2974         PR middle-end/30744
2975         * fold-const.c (fold_comparison): Enforce type consistency when
2976         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
2978 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
2980         * tree-ssa-address.c (create_mem_ref): Do not put an expression
2981         containing a cast to the base of TARGET_MEM_REF.
2983 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
2985         * tree.c (tree_contains_struct_check_failed): Remove spurious
2986         whitespace from error message.
2988 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
2990         PR target/30406
2991         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
2992         instead of precision.
2994 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
2995             Nathan Sidwell  <nathan@codesourcery.com>
2997         * emit-rtl.c (find_auto_inc): New.
2998         (try_split): recreate REG_INC notes,
2999         Use regular for loops rather than whiles.
3001 2007-03-03  Andreas Schwab  <schwab@suse.de>
3003         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3004         * configure: Regenerate.
3006 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3008         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3009         flag_rounding_math, not flag_unsafe_math_optimizations.
3011         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3012         fold_build2.
3013         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3014         alpha_fold_vector_minmax): Likewise.
3015         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3016         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3018 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3020         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3021         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3022         if the lhs has side-effects.
3023         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3025 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3027         * config/i386/i386.h (TUNEMASK): Remove define.
3028         (ARCHMASK): Remove define.
3029         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3030          Use ix86_arch_mask variable instead of ARCHMASK.
3031         * config/i386/i386.c (override_options): Ditto.
3032         (standard_80387_constant_p): Ditto.
3034 2007-03-02  Ian Lance Taylor  <iant@google.com>
3036         Used signed infinities in VRP.
3037         * tree-vrp.c (uses_overflow_infinity): New static function.
3038         (supports_overflow_infinity): New static function.
3039         (make_overflow_infinity): New static function.
3040         (negative_overflow_infinity): New static function.
3041         (positive_overflow_infinity): New static function.
3042         (is_negative_overflow_infinity): New static function.
3043         (is_positive_overflow_infinity): New static function.
3044         (is_overflow_infinity): New static function.
3045         (overflow_infinity_range_p): New static function.
3046         (compare_values_warnv): New function split out of compare_values.
3047         (compare_value): Call it.
3048         (set_value_range_to_nonnegative): Add overflow_infinity
3049         parameter.  Change caller.
3050         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3051         Change callers.
3052         (vrp_expr_computes_nonzero): Likewise.
3053         (compare_ranges, compare_range_with_value): Likewise.
3054         (compare_name_with_value, compare_names): Likewise.
3055         (vrp_evaluate_conditional): Likewise.
3056         (set_value_range): Handle infinity
3057         (vrp_operand_equal_p, operand_less_p): Likewise.
3058         (extract_range_from_assert): Likewise.
3059         (vrp_int_const_binop): Likewise.
3060         (extract_range_from_binary_expr): Likewise.
3061         (extract_range_from_unary_expr): Likewise.
3062         (extract_range_from_comparison): Likewise.
3063         (extract_range_from_expr): Likewise.
3064         (dump_value_range): Likewise.
3065         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3066         (test_for_singularity): Likewise.
3067         (vrp_int_const_binop): Remove inline qualifier.
3068         (adjust_range_with_scev): Add comment.
3069         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3071 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3073         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3074         (get_constraint_for): Likewise.
3075         (do_structure_copy): Likewise.
3076         (find_func_aliases): Fix references to MODIFY_EXPR.
3077         (intra_create_variable_infos): Tidy.
3078         * tree-ssa-operands.c (add_virtual_operand): Add argument
3079         IS_CALL_SITE.
3080         When adding members of alias sets, if IS_CALL_SITE is true and
3081         the symbol is not call-clobbered, skip it.
3082         Adjust all callers.
3084 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3086         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3087         entry by means of emit_insn_at_entry.
3089 2007-03-02  Richard Henderson  <rth@redhat.com>
3091         * expr.h (promoted_input_arg): Remove decl.
3092         * function.c (promoted_input_arg): Merge into ...
3093         * combine.c (setup_incoming_promotions): ... only caller.
3094         Rearrange to avoid double loop.
3096 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3097             Peter Bergner  <bergner@vnet.ibm.com>
3098             Janis Johnson  <janis187@us.ibm.com>
3100         * config/rs6000/dfp.md: New file.
3101         * config/rs6000/rs6000.md: Include dfp.md.
3102         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3103         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3104         and TDmode decimal float modes in FP registers.
3105         (num_insns_constant): Likewise.
3106         (rs6000_legitimate_offset_address_p): Likewise.
3107         (rs6000_legitimize_address): Likewise.
3108         (rs6000_legitimize_reload_address): Likewise.
3109         (rs6000_legitimate_address): Likewise.
3110         (rs6000_emit_move): Likewise.
3111         (function_arg_boundary): Likewise.
3112         (function_arg_advance): Likewise.
3113         (rs6000_darwin64_record_arg_recurse): Likewise.
3114         (function_arg): Likewise.
3115         (rs6000_gimplify_va_arg): Likewise.
3116         (rs6000_split_multireg_move): Likewise.
3117         (rs6000_output_function_epilogue): Likewise.
3118         (rs6000_output_function_epilogue): Likewise.
3119         (rs6000_register_move_cost): Likewise.
3120         (rs6000_function_value): Likewise.
3121         (rs6000_libcall_value): Likewise.
3123 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3125         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3127 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3129         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3130         Use $MULTIDIR to choose between the kernel and RTP headers,
3131         and use $WIND_BASE and $WIND_USR to locate them.
3133 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3135         * config/i386/i386.c (override_options): Put initialization of
3136         ix86_tune_mask and ix86_arch_mask to the correct place.
3138 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3139             Michael Meissner  <michael.meissner@amd.com>
3141         PR target/31019
3142         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3143         (ARCHMASK): Define.
3144         (TARGET_CMOVE): Use ARCHMASK.
3145         (TARGET_CMPXCHG): Ditto.
3146         (TARGET_CMPXCHG8B): Ditto.
3147         (TARGET_XADD): Ditto.
3148         (TARGET_BSWAP): Ditto.
3149         * config/i386/i386.c (ix86_tune_mask): New global variable.
3150         (ix86_arch_mask): Ditto.
3151         (override_options): Initialize ix86_tune_mask and
3152         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3153         target_flags.
3155 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3157         PR 30992
3158         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3160 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3162         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3163         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3164         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3165         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3166         hook.
3167         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3168         rs6000_init_dwarf_reg_sizes_extra): New.
3169         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3170         SPE register high parts.
3172 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3174         * Makefile.in: Add install-pdf target as
3175         copied from automake v1.10 rules.
3176         * configure.ac: Add install-pdf to target list.
3177         * configure: Regenerate.
3179 2007-03-01  Paul Brook  <paul@codesourcery.com>
3181         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3182         modes to LDRD for DImode.
3183         (output_move_double): Fixup out of range ldrd/strd.
3184         (vfp_secondary_reload_class): Rename...
3185         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3186         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3187         coproc_secondary_reload_class for CLASS_IWMMXT.
3188         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3189         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3191 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3193         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3194         factor by the estimated number of iterations.
3195         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3196         prefetch latency.
3198         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3199         decode_caches_intel, detect_caches_intel): New functions.
3200         (host_detect_local_cpu): Use detect_caches_amd and
3201         detect_caches_intel.
3203 2007-03-01  Richard Henderson  <rth@redhat.com>
3205         * expr.c (emit_move_complex_push): Export.
3206         (emit_move_complex_parts): Split out from ...
3207         (emit_move_complex): ... here.
3208         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3209         * config/i386/i386.md (movcdi): New.
3211 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3213         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3214         size of mode1 to check for tieable modes in MMX case.
3216 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3218         * Makefile.in (rtlanal.o): Depend on tree.h.
3219         * rtl.h (offset_within_section_p, split_const): Declare.
3220         * rtlanal.c: Include tree.h.
3221         (offset_within_block_p): New function, taken from
3222         mips_offset_within_object_p.
3223         (split_const): New function, taken from mips_split_const.
3224         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3225         Declare.
3226         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3227         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3228         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3229         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3230         (m68k_illegitimate_symbolic_constant_p): New function.
3231         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3232         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3233         symbolic constant that might be outside the symbol's section,
3234         move the symbol first and then add the offset.
3235         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3236         Override.
3237         * config/mips/mips.c (mips_split_const): Delete.
3238         (mips_offset_within_object_p): Delete.
3239         (mips_symbolic_constant_p): Use offset_within_section_p and
3240         split_const instead of mips_offset_within_object_p and
3241         mips_split_const.
3242         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3243         (mips_legitimize_const_move, print_operand_reloc)
3244         (mips_dangerous_for_la25_p): Use split_const instead of
3245         mips_split_const.
3247 2007-02-28  Eric Christopher  <echristo@apple.com>
3249         * Makefile.in (install-include-dir): Don't rm -rf include.
3251 2007-02-28  Richard Guenther  <rguenther@suse.de>
3253         PR middle-end/30364
3254         * fold-const.c (fold_binary): Do not associate expressions
3255         with more than one variable for integer types that do not wrap.
3257 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3259         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3260         Delete, and replace with...
3261         (fold_builtin_call_array): This.  Update callers to use it.
3262         * fold-const.c (fold_build_call_list): Delete, and replace with...
3263         (fold_build_call_array): This.
3264         (fold_build_call_list_initializer): Delete, and replace with...
3265         (fold_build_call_array_initializer): This.
3266         * tree.h: Update declarations to reflect above changes.
3268         * c-typeck.c (build_function_call): Store converted arguments
3269         in a stack-allocated array instead of building a list.
3270         (convert_arguments): Store arguments in the array passed in as an
3271         argument, and return the actual number of arguments.
3272         * c-format.c: (check_function_format): Pass arguments in an
3273         array instead of a list.
3274         * c-common.c (check_function_nonnull): Likewise.
3275         (check_function_sentinel): Likewise.
3276         (check_function_arguments): Likewise.
3277         * c-common.h: Update declarations to reflect above changes.
3279 2007-02-28  Jan Hubicka  <jh@suse.cz>
3281         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3282         PRED_NEGATIVE_RETURN): Update outcomes.
3284 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3286         * calls.c (emit_library_call_value_1): Handle partial registers
3287         correctly when building up CALL_INSN_FUNCTION_USAGE.
3289 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3291         * pa/predicates.md (move_src_operand): Allow zero for mode.
3292         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3293         move pattern.
3295 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3297         PR target/30970
3298         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3299         *movv2df_internal): Enable pattern only for valid operand
3300         combinations.
3301         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3302         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3304 2007-02-27  Mike Stump  <mrs@apple.com>
3306         * config/darwin-crt3.c: Avoid compilation when compiling for a
3307         kext multilib.
3309 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3311         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3312         FIXED_INCLUDE_DIR.
3313         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3314         for fixed headers and limits.h.
3315         (install-include-dir, install-headers-tar, install-headers-cpio,
3316         install-headers-cp, real-install-headers-tar,
3317         real-install-headers-cpio, real-install-headers-cp): Handle
3318         include-fixed as well as include.
3319         (install-mkheaders): Don't install files that go only in include
3320         not include-fixed.
3321         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3322         from GCC_INCLUDE_DIR.
3323         * gcc.c (process_command): Remove special -BstageN/ handling.
3324         (do_spec_1): Add include-fixed directories.
3326 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3328         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3329         _smulsi3_highpart.
3330         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3331         New functions.
3332         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3333         patterns.
3335 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3337         * c-common.c (get_priority): Add check for
3338         SUPPORTS_INIT_PRIORITY.
3340 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3342         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3344         * config/bfin/bfin.c: Include "cfglayout.h".
3345         (MAX_LSETUP_DISTANCE): New macro.
3346         (struct loop_info): New members incoming, incoming_src and
3347         incoming_dest.  Delete member predecessor.
3348         (length_for_loop): New function.
3349         (bfin_optimize_loop): Handle more different loop structures.
3350         (bfin_discover_loop): Rework detection of predecessor blocks by
3351         examining incoming edges.
3352         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3353         bfin_reorg_loops.
3354         (bfin_reorder_loops): New function.
3355         (bfin_reorg_loops): Use these three new functions.
3357         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3358         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3359         (CONSTRAINT_LEN): Add entry for 'q'.
3360         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3361         Add 'q' constraints.
3362         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3363         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3365         * config/bfin/bfin.md (add_with_carry): New pattern.
3366         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3367         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3368         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3369         support unsigned multiplies too.  Removed incorrect commutativity from
3370         operand 1 constraint where appropriate.
3371         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3372         patterns.
3373         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3374         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3375         New patterns.
3376         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3377         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3378         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3379         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3380         usmulhisi_hh_huh): New patterns.
3382         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3383         lshifthi3): Fix output template to use half reg for operand 2.
3385         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3386         instead of R2.
3388         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3390 2007-02-27  Andreas Schwab  <schwab@suse.de>
3392         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3394 2007-02-27  Jan Hubicka  <jh@suse.cz>
3396         * predict.c (last_basic_block_p): Remove.
3397         (tree_estimate_probability): Update return heuristic for commonized
3398         return blocks.
3400 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3402         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3404 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3406         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3407         * doc/cpp.texi: Standardize title page.
3408         * doc/cppinternals.texi: Likewise.
3409         * doc/gcc.texi: Standardize title page, remove version number
3410         from copyright page.
3411         * doc/gccint.texi: Likewise.
3412         * doc/install.texi: Standardize title page, add table of
3413         contents.
3415 2007-02-26  Jan Hubicka  <jh@suse.cz>
3417         * predict.def: Set outcomes according to more recent results.
3418         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3419         Remove dead predictors.
3420         * predict.c (return_prediction): Fix pasto.
3422 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3424         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3425         change; avoid a memory leak when returning early.
3427 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3429         * c-decl.c (static_ctors): Move to c-common.c.
3430         (static_dtors): Likewise.
3431         (finish_function): Use c_record_cdtor_fn.
3432         (build_cdtor): Move to c-common.c.
3433         (c_write_global_declarations): Use c_build_cdtor_fns.
3434         * c-common.h (static_ctors): Declare.
3435         (static_dtors): Likewise.
3436         (c_record_cdtor_fn): Likewise.
3437         (c_build_cdtor_fns): Likewise.
3438         * c-common.c (static_ctors): New variable.
3439         (static_dtors): Likewise.
3440         (c_record_cdtor_fn): New function.
3441         (build_cdtor): Move from c-decl.c
3442         (c_build_cdtor_fns): New function.
3444         * output.h (assemble_addr_to_section): Declare.
3445         (get_cdtor_priority_section): Likewise.
3446         * varasm.c (assemble_addr_to_section): New function.
3447         (get_cdtor_priority_section): Likewise.
3448         (default_named_section_asm_out_destructor): Use them.
3449         (destor_dtor_section_asm_out_destructor): Likewise.
3450         (default_named_section_asm_out_constructor): Likewise.
3451         (default_ctor_section_asm_out_constructor): Likewise.
3452         * config.gcc (*-*-vxworks*): Include vxworks.o.
3453         * config/t-vxworks (vxworks.o): New target.
3454         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3455         (TARGET_ASM_CONSTRUCTOR): Define.
3456         (TARGET_ASM_DESTRUCTOR): Likewise.
3457         (vxworks_asm_out_constructor): Declare.
3458         (vxworks_asm_out_destructor): Likewise.
3460         * c-common.c (get_priority): Check that we have not just an
3461         INTEGER_CST, but an integer constant with integeral type.
3463 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3465         PR tree-optimization/30938
3466         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3467         use &dt[nargs-1] instead of &dt[nargs] in the call to
3468         vect_is_simple_use().
3470 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3472         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3473         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3474         Do not attempt to handle MEM inside auto-inc expressions.
3475         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3476         of a register modified by an auto-inc expression.  However, do handle
3477         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3478         (elimination_effects): Prohibit elimination of a register modified
3479         by an auto-inc expression.  Disable register elimination rules whose
3480         target register is modified by an auto-inc expression with variable
3481         increment.
3483 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3485         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3486         off-by-one error.
3487         (array_at_struct_end_p): New function.
3488         (idx_infer_loop_bounds): Use it.
3489         (estimate_numbers_of_iterations_loop): Export.
3490         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3491         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3492         (tree_estimate_probability): Call record_loop_exits.
3493         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3494         (estimated_loop_iterations, estimated_loop_iterations_int,
3495         estimated_loop_iterations_tree): New functions.
3496         (analyze_siv_subscript_cst_affine,
3497         compute_overlap_steps_for_affine_1_2,
3498         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3499         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3500         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3501         (PRED_LOOP_ITERATIONS_GUESSED): New.
3502         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3503         * cfgloop.h (estimate_numbers_of_iterations_loop,
3504         estimated_loop_iterations_int): Declare.
3506 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3508         * doc/extend.texi: Document optional priority argument to
3509         constructors and destructors.
3510         * tree.c (init_priority_for_decl): Adjust GTY markers.
3511         (init_ttree): Use priority-info hash functions for
3512         init_priority_for_decl.
3513         (tree_map_eq): Rename to ...
3514         (tree_map_base_eq): ... this.
3515         (tree_map_marked_p): Rename to ...
3516         (tree_map_base_marked_p): ... this.
3517         (tree_map_base_hash): New function.
3518         (decl_init_priority_lookup): Rework.
3519         (decl_fini_priority_lookup): New function.
3520         (decl_priority_info): New function.
3521         (decl_init_priority_insert): Use it.
3522         (decl_fini_priority_insert): Likewise.
3523         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3524         hierarchy.
3525         (decl_restrict_base_insert): Likewise.
3526         (decl_debug_expr_insert): Likewise.
3527         (decl_value_expr_lookup): Likewise.
3528         (decl_value_expr_insert): Likewise.
3529         * tree.h (priority_type): New type.
3530         (decl_init_priority_lookup): Use priority_type.
3531         (decl_fini_priority_lookup): New function.
3532         (decl_init_priority_insert): Use priority_type.
3533         (decl_fini_priority_insert): New function.
3534         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3535         (DECL_INIT_PRIORITY): Likewise.
3536         (SET_DECL_INIT_PRIORITY): Add comment.
3537         (DECL_FINI_PRIORITY): New macro.
3538         (SET_DECL_FINI_PRIORITY): Likewise.
3539         (DEFAULT_INIT_PRIORITY): Document.
3540         (MAX_INIT_PRIORITY): Likewise.
3541         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3542         (tree_map_base): New type.
3543         (tree_map_base_eq): New function.
3544         (tree_map_base_hash): Likewise.
3545         (tree_map_base_marked_p): Likewise.
3546         (tree_map): Inherit from tree_map_base.
3547         (tree_map_eq): Make it a macro.
3548         (tree_map_marked_p): Likewise.
3549         (tree_int_map): Inherit from tree_map_base.
3550         (tree_int_map_eq): Make it a macro.
3551         (tree_int_map_hash): Likewise.
3552         (tree_int_map_marked_p): Likewise.
3553         (tree_priority_map): New type.
3554         (tree_priority_map_eq): New macro.
3555         (tree_priority_map_hash): Likewise.
3556         (tree_priority_map_marked_p): Likewise.
3557         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3558         hierarchy.
3559         (emutls_common_1): Likewise.
3560         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3561         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3562         of tree_map hierarchy.
3563         * tree-cfg.c (move_stmt_r): Likewise.
3564         (new_label_mapper): Likewise.
3565         * c-tree.h (c_expand_body): Move to ...
3566         * c-common.h (c_expand_body): ... here.
3567         * c-decl.c (c_expand_body): Move to ...
3568         * c-common.c (c_expand_body): ... here.
3569         (c_common_attribute_table): Allow 1 argument for the constructor
3570         and destructor attributes.
3571         (get_priority): New function.
3572         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3573         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3575 2007-02-24  Jan Hubicka  <jh@suse.cz>
3577         PR middle-end/30509
3578         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3580 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3581             Jan Hubicka  <jh@suse.cz>
3583         PR target/30778
3584         * i386.c (counter_mode): New function.
3585         (expand_set_or_movmem_via_loop): Use it.
3586         (expand_movmem_epilogue): Likewise; fix pasto.
3587         (ix86_expand_movmem): Do emit guard even for constant counts.
3588         (ix86_expand_setmem): Likewise.
3590 2007-02-25  Nick Clifton  <nickc@redhat.com>
3592         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3593         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3595 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3597         PR target/30770
3598         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3599         count argument with 0x10, not with 0x16.
3600         (expand_setmem_epilogue): Ditto.
3602 2007-02-24  Mike Stump  <mrs@apple.com>
3604         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3605         symbols.
3607 2007-02-24  Richard Guenther  <rguenther@suse.de>
3609         PR middle-end/30951
3610         * fold-const.c (fold_binary): Fold x +- CST op x for
3611         EQ_EXPR and NE_EXPR.
3613 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3615         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3617 2007-02-24  Jan Hubicka  <jh@suse.cz>
3619         * cgraphunit.c (decide_is_function_needed): Honor
3620         -fkeep-inline-functions.
3622 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3624         * builtins.c (fold_builtin_modf): New.
3625         (fold_builtin_2): Use it.
3627 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3629         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3630         (determine_max_iter): Take additional LOOP arg; all callers changed.
3631         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3632         one using simplifications.
3633         (simplify_using_initial_values): Return if the expression becomes
3634         invalid due to altered regs.
3636 2007-02-23  DJ Delorie  <dj@redhat.com>
3638         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3640 2007-02-23  Mike Stump  <mrs@apple.com>
3642         * tlink.c (scan_linker_output): Parse linker messages from
3643         darwin9's linker better.
3645 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3647         PR debug/29614
3648         * varpool.c (varpool_assemble_pending_decls):  Set
3649         varpool_last_needed_node to null.
3651 2007-02-23  DJ Delorie  <dj@redhat.com>
3653         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3654         alignment bigger than the object file can handle.
3656 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3658         PR target/30825
3659         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3660         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3661         (*movsf_1): Penalize MMX moves.
3663 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3665         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3666         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3668         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3670 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3672         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3673         (fold_builtin_1): Use them.
3674         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3675         BUILT_IN_SIGNIFICAND.
3677 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3679         * config/i386/i386.c (bdesc_1arg): Initialize
3680         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3681         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3682         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3683         and IX86_BUILTIN_MOVSLDUP.
3685 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3687         PR rtl-optimization/30841
3688         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3690 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3692         * builtins.c (fold_builtin_frexp): New.
3693         (fold_builtin_2): Use it.
3695 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
3697         * doc/invoke.texi (Spec Files): Document getenv spec function.
3699         * gcc.c (getenv_spec_function): New function.
3700         (static_spec_functions): Add it.
3701         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
3702         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
3703         header files.
3705 2007-02-22  Michael Matz  <matz@suse.de
3707         PR c++/29433
3708         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
3709         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
3711 2007-02-22  Ian Lance Taylor  <iant@google.com>
3713         PR debug/30898
3714         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
3715         (mem_loc_descriptor): Call it.
3717 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
3718             Ira Rosen  <irar@il.ibm.com>
3720         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
3722 2007-02-22  Ira Rosen  <irar@il.ibm.com>
3724         PR tree-optimization/30843
3725         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
3726         stores only after all the group is vectorized.
3728 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
3730         PR tree-optimization/30858
3731         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
3732         in the reduction cycle have a single use in the loop.
3733         * tree-vectorizer.h (relevant): Add documentation.
3735 2007-02-20  Mike Stump  <mrs@apple.com>
3737         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
3738         * configure: Regenerate.
3740 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3742         Change the defaults of some parameters and options.
3743         * config/spu/spu-protos.h (spu_optimization_options): Declare.
3744         * config/spu/spu.c (spu_optimization_options): Add.
3745         (spu_override_options): Change params in spu_optimization_options.
3746         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
3748         Register 127 is only 16 byte aligned when used as a frame pointer.
3749         * config/spu/spu-protos.h (spu_init_expanders): Declare.
3750         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
3751         HARD_FRAME_POINTER_REGNUM.
3752         (spu_legitimate_address):  Use regno_aligned_for_reload.
3753         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
3754         aligned when frame_pointer_needed is true.
3755         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
3756         to 8 bits.
3757         * config/spu/spu.h (INIT_EXPANDERS): Define.
3759         Make sure shift and rotate instructions have valid immediate operands.
3760         * config/spu/predicates.md (spu_shift_operand): Remove.
3761         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
3762         * config/spu/constraints.md (W, O): Extend range.
3763         * config/spu/spu.md (umask, nmask): Define.
3764         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
3765         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
3766         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
3767         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
3768         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
3769         (lshr<mode>3_reg):  Fix rtl description.
3771         Make sure mulhisi immediate operands are valid.
3772         * config/spu/predicates.md (imm_K_operand): Add.
3773         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
3775         Generate constants using fsmbi and andi.
3776         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
3777         (print_operand, spu_split_immediate, classify_immediate,
3778         fsmbi_const_p): Handle IC_FSMBI2.
3780         Correctly handle a CONST_VECTOR containing symbols.
3781         * config/spu/spu.c (print_operand): Handle HIGH correctly.
3782         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
3783         (immediate_load_p): Allow symbols that use 2 instructions to create.
3784         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
3785         with symbols when flag_pic is set.
3786         (const_vector_immediate_p): New.
3787         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
3788         accept a CONST_VECTOR with symbols.
3789         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
3790         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
3791         correctly.
3792         * config/spu/spu.md (high, low): Delete.
3793         (low_<mode>): Define.
3795         Remove INTRmode and INTR_REGNUM, which didn't work.
3796         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
3797         of INTR_REGNUM.
3798         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
3799         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
3800         peephole2 pattern): Don't use INTR or 131.
3801         (movintrcc): Delete.
3802         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
3803         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
3804         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
3805         (UNSPEC_SET_INTR): Add.
3806         * config/spu/spu-modes.def (INTR): Remove.
3808         More accurate warnings about run-time relocations.
3809         * config/spu/spu.c (reloc_diagnostic): Test in_section.
3811         Correctly warn about immediate arguments to specific intrinsics.
3812         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
3813         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
3814         the instruction predicate.
3816         Fix tree check errors with latest update.
3817         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
3818         CALL_EXPR_ARG.
3819         (spu_expand_builtin): Use CALL_EXPR_FN.
3821         Add missing specific intrinsics.
3822         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
3823         si_bislede.
3824         * config/spu/spu_internals.h: Ditto.
3826         Fix incorrect operand modifiers.
3827         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
3828         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
3830         Optimize one case of zero_extend of a vec_select.
3831         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
3833         Accept any immediate for hbr.
3834         * config/spu/spu.md (hbr):  Change s constraints to i.
3836 2007-02-21  Paul Brook  <paul@codesourcery.com>
3838         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
3839         condexec_count when skipping USE and CLOBBER.
3841 2007-02-21  Nick Clifton  <nickc@redhat.com>
3843         * common.opt (Warray-bounds): Add Warning attribute.
3844         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
3845         Likewise.
3846         (fsized-zeroes): Add Optimization attribute.
3847         (fsplit-wide-types, ftree-scev-cprop): Likewise.
3848         * c.opt (Wc++0x-compat): Add Warning attribute.
3850 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3852         PR middle-end/30761
3853         * reload1.c (eliminate_regs_in_insn): In the single_set special
3854         case, attempt to re-recognize the insn before falling back to
3855         having reload fix it up.
3857 2007-02-20  Eric Christopher  <echristo@gmail.com>
3859         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
3860         Rewrite accordingly.
3861         (frv_read_iacc_argument): Ditto.
3862         (frv_expand_set_builtin): Take a call instead of arglist, update for
3863         above changes.
3864         (frv_expand_unop_builtin): Ditto.
3865         (frv_expand_binop_builtin): Ditto.
3866         (frv_expand_cut_builtin): Ditto.
3867         (frv_expand_binopimm_builtin): Ditto.
3868         (frv_expand_voidbinop_builtin): Ditto.
3869         (frv_expand_int_void2arg): Ditto.
3870         (frv_expand_prefetches): Ditto.
3871         (frv_expand_voidtriop_builtin): Ditto.
3872         (frv_expand_voidaccop_builtin): Ditto.
3873         (frv_expand_load_builtin): Ditto.
3874         (frv_expand_store_builtin): Ditto.
3875         (frv_expand_mdpackh_builtin): Ditto.
3876         (frv_expand_mclracc_builtin): Ditto.
3877         (frv_expand_mrdacc_builtin): Ditto.
3878         (frv_expand_mwtacc_builtin): Ditto.
3879         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
3880         calls for above.
3882 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
3884         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
3885         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
3886         cmpb instruction.
3887         (HAVE_GAS_DFP): Check for assembler support of decimal floating
3888         point instructions.
3889         * configure: Regenerate.
3890         * config.in: Regenerate.
3891         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
3892         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
3893         masks to power6 and power6x and to POWERPC_MASKS.
3894         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3895         _ARCH_PWR6.
3896         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
3897         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
3898         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3899         Access PROTOTYPE as variable, not mask.
3901 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3903         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
3904         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
3905         * combine.c (adjust_for_new_dest): Use it.
3906         * postreload.c (reload_combine): Likewise.
3908 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
3910         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
3911         notes on an insn with multiple sets, even if single_set returns
3912         non-NULL for that insn.
3914 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3916         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
3917         scalbn and scalbln.
3919 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
3921         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
3922         if user didn't pass it.
3923         * config/i386/darwin.h (CC1_SPEC): Likewise.
3924         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
3925         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
3926         -mmacosx-version-min.
3928 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3929             Uros Bizjak  <ubizjak@gmail.com>
3931         * optabs.h (enum optab_index): Add new OTI_scalb.
3932         (scalb_optab): Define corresponding macro.
3933         * optabs.c (init_optabs): Initialize scalb_optab.
3934         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
3935         patterns.
3936         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
3937         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
3938         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
3939         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
3940         flag_unsafe_math_optimizations is set.
3942         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
3943         to implement scalbf, scalb and scalbl built-ins as inline x87
3944         intrinsics.
3946 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3947             DJ Delorie <dj@redhat.com>
3949         PR other/30824
3950         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
3951         (diagnostic_report_diagnostic): ... here, and turn them into real
3952         errors. If warnings are inhibited, no need to do anything.
3954 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
3956         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
3957         better code generation.
3959 2007-02-20  Ben Elliston  <bje@au.ibm.com>
3961         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
3963 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
3965         * config/alpha/alpha.c, config/alpha/alpha.md,
3966         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
3967         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
3968         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
3969         config/arm/lib1funcs.asm: Follow spelling conventions.
3971         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
3972         config/fr30/fr30.md, config/i386/i386.h,
3973         config/iq2000/iq2000.h, config/iq2000/predicates.md,
3974         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
3975         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3976         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
3977         config/rs6000/altivec.md, config/rs6000/rs6000.c,
3978         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
3979         config/sparc/sparc.c, config/sparc/sparc.h,
3980         config/sparc/sparc.md, config/spu/constraints.md,
3981         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
3982         conventions.
3984 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
3986         PR target/29943
3987         * varasm.c (use_blocks_for_decl_p): Return false for decls with
3988         alias attribute.
3990 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3992         * doc/invoke.texi (-ftree-lrs): Remove.
3994 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
3996         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
3997         NULL.
3999 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4001         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4002         new CALL_EXPR_FN macro for retrieving the function
4003         declaration of the input expression.
4005 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4007         * c.opt (Waddress): New.
4008         * common.opt (Walways-true): Delete.
4009         (Wstring-literal-comparison): Delete.
4010         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4011         -Wstring-literal-comparison. Add -Waddress.
4012         (Waddress): New.
4013         (Walways-true): Delete.
4014         (Wstring-literal-comparison): Delete.
4015         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4016         consistently instead of -Walways-true in example.
4017         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4018         * c-typeck.c (parser_build_binary_op): Replace
4019         -Wstring-literal-comparison and -Walways-true with -Waddress.
4020         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4021         with -Waddress.
4023 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4025         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4026         without DECL_STRUCT_FUNCTION initialized.
4028 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4030         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4031         due to calls to functions taking pointers as parameters.
4033 2007-02-19  Richard Henderson  <rth@redhat.com>
4035         PR debug/29558
4036         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4037         in memory.
4039 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4041         * config/s390/s390.c (s390_call_saved_register_used,
4042         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4043         accessed to the new scheme.
4045 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4047         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4048         (cris_print_index, cris_print_operand, cris_print_operand_address)
4049         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4050         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4051         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4052         GET_CODE () == xxx.
4053         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4054         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4055         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4056         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4057         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4058         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4059         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4060         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4061         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4062         (uminsi3, call, call_value): Ditto.
4063         (define_split: indir_to_reg_split, unnamed): Ditto.
4065 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4067         PR tree-optimization/30975
4068         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4069         wrong assert.
4071 2007-02-18  Eric Christopher  <echristo@gmail.com>
4073         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4074         Remove use of arglist.
4075         (mips_expand_builtin): Remove use of arglist, pass in expr.
4076         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4077         (mips_expand_builtin_movtf): Ditto.
4078         (mips_expand_builtin_compare): Ditto.
4080 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4082         * tree-sra.c (sra_build_assignment): Replace assertion
4083         checking with a comment explaining why it can't be done.
4085 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4087         PR middle-end/30833
4088         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4089         during CALL_EXPR representation conversion.
4090         * tree-ssa-propagate.c (set_rhs): Likewise.
4092 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4094         * tree-sra.c (sra_build_assignment): Disable assertion checking
4095         for now.
4097 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4099         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4100         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4101         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4102         Likewise.
4103         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4104         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4105         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4106         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4107         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4108         force_gimple_operand): Likewise.
4109         * ipa-cp.c (constant_val_insert): Likewise.
4110         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4111         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4112         perfect_nestify): Likewise.
4113         * langhooks.c (lhd_omp_assignment): Likewise.
4114         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4115         lower_copyprivate_clauses, lower_send_clauses,
4116         lower_send_shared_vars, expand_parallel_call,
4117         expand_omp_for_generic, expand_omp_for_static_nochunk,
4118         expand_omp_for_static_chunk, expand_omp_sections,
4119         lower_omp_single_copy, lower_omp_for_lastprivate,
4120         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4121         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4122         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4123         Likewise.
4125 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4127         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4128         config/sh/sh.md: Follow spelling conventions.
4130         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4131         config/frv/predicates.md: Follow spelling conventions.
4133         * config/m68k/linux-unwind.h: Fix a comment typo.
4134         * target.h: Follow spelling conventions.
4136 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4138         PR rtl-optimization/28173
4139         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4140         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4141         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4142         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4143         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4145 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4147         * builtins.c (fold_builtin_load_exponent): New.
4148         (fold_builtin_2): Use it.
4150 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4152         PR rtl-optimization/30773
4153         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4154         if we fail to attach a REG_EQUIV note.
4156 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4157             Roger Sayle  <roger@eyesopen.com>
4159         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4161 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4163         * calls.c (initialize_argument_information): Pass original EXP
4164         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4165         code to split complex arguments here, as part of initializing the
4166         ARGS array.
4167         (expand_call): Remove code that builds a list of arguments and
4168         inserts implicit arguments into it.  Instead, just count how many
4169         implicit arguments there will be so we can determine the size of
4170         the ARGS array, and let initialize_argument_information do the work.
4171         (split_complex_values): Delete unused function.
4173 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4175         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4177 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4179         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4180         for arg pointer based indexed addressing.
4182 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4184         * config/ia64/ia64.h, config/ia64/ia64.md,
4185         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4186         spelling conventions.
4188 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4190         * config/m68k/m68k.c (split_di): New.
4191         * config/m68k/m68k-protos.h: Declare split_di.
4192         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4193           Improve predicate handling and split constant shifts.
4195 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4197         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4198         parameter for register bitfield operations, general predicates
4199         cleanup
4201 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4203         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4204         * config/m68k/linux-unwind.h: New file.
4206 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4208         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4209         config/i386/athlon.md, config/ia64/ia64.md,
4210         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4211         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4212         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4213         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4214         tree-vect-transform.c: Fix comment typos.
4216 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4218         * sched-deps.c (find_insn_list): Remove.
4219         * sched-int.h: Remove the prototype for find_insn_list.
4221 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4223         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4224         to linker.
4225         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4226         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4227         darwin_rs6000_override_options.
4228         (C_COMMON_OVERRIDE_OPTIONS): Expect
4229         darwin_macosx_version_min to be non-NULL always.
4230         (TARGET_C99_FUNCTIONS): Likewise.
4231         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4232         (DARWIN_MINVERSION_SPEC): New.
4233         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4234         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4235         to cc1*.
4236         (DARWIN_MINVERSION_SPEC): New.
4237         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4238         value.
4239         * config/darwin-c.c (darwin_cpp_builtins): Expect
4240         darwin_macosx_version_min to be non-NULL always.
4242         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4244 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4246         * config/i386/i386.h (x86_use_xchgb): New.
4247         (TARGET_USE_XCHGB): New macro.
4248         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4249         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4250         Split after reload into bswaphi for shifts of 8.
4251         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4252         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4253         or when optimizing for size.
4255 2007-02-16  Richard Guenther  <rguenther@suse.de>
4256             Christian Bruel  <christian.bruel@st.com>
4258         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4259         DECLs but prefer SSA_NAMEs over DECLs.
4261 2007-02-16  Richard Guenther  <rguenther@suse.de>
4263         * tree-flow-inline.h (single_imm_use_p): Remove.
4264         (zero_imm_uses_p): Likewise.
4265         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4266         instead of single_imm_use_p.
4267         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4268         zero_imm_uses_p.
4270 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4272         PR other/27843
4273         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4274         nested double- and backquotes.
4276 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4278         PR middle-end/30391
4279         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4280         should be unreachable.
4281         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4282         For the time being redirect GIMPLE_MODIFY_STMT to the new
4283         (renamed) build_gimple_modify_stmt_stat.
4284         (build2_gimple_stat): Rename to...
4285         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4286         Always build a GIMPLE_MODIFY_STMT node.
4287         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4288         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4289         declarations.
4291         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4292         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4293         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4294         expand_complex_div_wide): Likewise.
4295         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4296         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4297         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4298         * tree-ssa-loop-manip.c (create_iv): Likewise.
4299         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4300         abs_replacement): Likewise.
4301         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4302         realify_fake_stores): Likewise.
4304         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4305         node rather than a GIMPLE_MODIFY_STMT node.
4306         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4307         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4308         Likewise.
4309         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4310         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4311         GIMPLE_MODIFY_STMT.
4313 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4315         PR middle-end/30433
4316         * fold-const.c (fold_comparison): Add back the
4317         folding of constant complex comparisions.
4319 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4321         PR middle-end/30729
4322         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4323         effects unknown to this function, return early.
4325 2007-02-15  Ian Lance Taylor  <iant@google.com>
4327         * lower-subreg.c (move_eh_region_note): New static function.
4328         (resolve_simple_move): Call it.
4329         (decompose_multiword_subregs): Track blocks for which we resolve a
4330         simple move which is also a control flow insn.  Pass them to
4331         find_many_sub_basic_blocks.
4332         (pass_lower_subreg): Add TODO_verify_flow.
4333         (pass_lower_subreg2): Likewise.
4335 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4336             Brooks Moses  <brooks.moses@codesourcery.com>
4337             Lee Millward  <lee.millward@codesourcery.com>
4339         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4340         (VL_EXP_CLASS_P): New.
4341         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4342         TREE_CODE_LENGTH.
4343         (TREE_OPERAND_CHECK_CODE): Likewise.
4344         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4345         (TREE_RTL_OPERAND_CHECK): Likewise.
4346         (tree_operand_check_failed): Make second parameter the whole tree
4347         instead of its code.  Fixed callers.
4348         (VL_EXP_CHECK): New.
4349         (TREE_OPERAND_LENGTH): New.
4350         (VL_EXP_OPERAND_LENGTH): New.
4351         (CALL_EXPR_FN): New.
4352         (CALL_EXPR_STATIC_CHAIN): New.
4353         (CALL_EXPR_ARGS): New.
4354         (CALL_EXPR_ARG): New.
4355         (call_expr_nargs): New.
4356         (CALL_EXPR_ARGP): New.
4357         (build_nt_call_list): Declare.
4358         (build_vl_exp_stat): Declare.
4359         (build_vl_exp): New.
4360         (build_call_list): Declare.
4361         (build_call_nary): Declare.
4362         (build_call_valist): Declare.
4363         (build_call_array): Declare.
4364         (call_expr_arg): Declare.
4365         (call_expr_argp): Declare.
4366         (call_expr_arglist): Declare.
4367         (fold_build_call_list): Declare.
4368         (fold_build_call_list_initializer): Declare.
4369         (fold_call_expr): Declare to replace fold_builtin.
4370         (fold_builtin_fputs): Update to agree with modified definition.
4371         (fold_builtin_strcpy): Likewise.
4372         (fold_builtin_strncpy): Likewise.
4373         (fold_builtin_memory_chk): Likewise.
4374         (fold_builtin_stxcpy_chk): Likewise.
4375         (fold_builtin_strncpy_chk): Likewise.
4376         (fold_builtin_next_arg): Likewise.
4377         (fold_build_call_expr): Declare.
4378         (fold_builtin_call_list): Declare.
4379         (fold_builtin_call_valist): Declare.
4380         (build_call_expr): Declare.
4381         (validate_arglist): Update to agree with modified definition.
4382         (tree_operand_length): New.
4383         (call_expr_arg_iterator): New.
4384         (init_call_expr_arg_iterator): New.
4385         (next_call_expr_arg): New.
4386         (first_call_expr_arg): New.
4387         (more_call_expr_args_p): New.
4388         (FOR_EACH_CALL_EXPR_ARG): New.
4390         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4391         and tcc_gimple_stmt.
4392         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4393         than sizeof (char *).
4394         (tree_size): Likewise.  Add case for tcc_vl_exp.
4395         (tree_node_structure): Add case for tcc_vl_exp.
4396         (contains_placeholder_p): Likewise.
4397         (substitute_in_expr): Likewise.
4398         (substitute_placeholder_in_expr): Likewise.
4399         (stabilize_reference_1): Likewise.
4400         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4401         to diagnose breakage of this interface for constructing CALL_EXPRs.
4402         (build_nt): Add similar assertion here.
4403         (build_nt_call_list): New.
4404         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4405         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4406         TREE_CODE_LENGTH.
4407         (get_callee_fndecl): Use new CALL_EXPR accessors.
4408         (tree_operand_check_failed): Change parameters to pass entire node
4409         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4410         (process_call_operands): New.
4411         (build_vl_exp_stat): New.
4412         (build_call_list): New.
4413         (build_call_nary): New.
4414         (build_call_valist): New.
4415         (build_call_array): New.
4416         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4417         (call_expr_arglist): New.
4419         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4420         tcc_vl_exp instead of a fixed-size tcc_expression.
4422         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4423         accessors for CALL_EXPRs.
4424         (AGGR_INIT_EXPR): Likewise.
4426 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4427             Brooks Moses  <brooks.moses@codesourcery.com>
4428             Lee Millward  <lee.millward@codesourcery.com>
4430         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4431         (expand_builtin_nonlocal_goto): Change parameter to be entire
4432         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4433         (expand_builtin_prefetch): Likewise.
4434         (expand_builtin_classify_type): Likewise.
4435         (mathfn_built_in): Return NULL_TREE instead of 0.
4436         (expand_errno_check): Use new CALL_EXPR accessors.
4437         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4438         Return NULL_RTX instead of 0.
4439         (expand_builtin_mathfn_2): Likewise.
4440         (expand_builtin_mathfn_3): Likewise.
4441         (expand_builtin_interclass_mathfn): Likewise.
4442         (expand_builtin_sincos): Likewise.
4443         (expand_builtin_cexpi): Likewise.
4444         (expand_builtin_int_roundingfn): Likewise.
4445         (expand_builtin_int_roundingfn_2): Likewise.
4446         (expand_builtin_pow): Likewise.
4447         (expand_builtin_powi): Likewise.
4448         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4449         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4450         accessors and constructors.  Return NULL_RTX instead of 0.
4451         (expand_builtin_strstr): Likewise.
4452         (expand_builtin_strchr): Likewise.
4453         (expand_builtin_strrchr): Likewise.
4454         (expand_builtin_strpbrk): Likewise.
4455         (expand_builtin_memcpy): Likewise.
4456         (expand_builtin_mempcpy): Likewise.
4457         (expand_builtin_mempcpy_args): New.
4458         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4459         (expand_builtin_memmove_args): New.
4460         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4461         (expand_movstr): Likewise.
4462         (expand_builtin_strcpy): Likewise.
4463         (expand_builtin_strcpy_args): New.
4464         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4465         (expand_builtin_strncpy): Likewise.
4466         (expand_builtin_memset): Likewise.
4467         (expand_builtin_memset_args): New.
4468         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4469         (expand_builtin_memcmp): Likewise.
4470         (expand_builtin_strcmp): Likewise.
4471         (expand_builtin_strncmp): Likewise.
4472         (expand_builtin_strcat): Likewise.
4473         (expand_builtin_strncat): Likewise.
4474         (expand_builtin_strspn): Likewise.
4475         (expand_builtin_strcspn): Likewise.
4476         (expand_builtin_args_info): Likewise.
4477         (expand_builtin_va_start): Likewise.
4478         (gimplify_va_arg_expr): Likewise.
4479         (expand_builtin_va_end): Likewise.
4480         (expand_builtin_va_copy): Likewise.
4481         (expand_builtin_frame_address): Likewise.
4482         (expand_builtin_alloca): Likewise.
4483         (expand_builtin_bswap): Likewise.
4484         (expand_builtin_unop): Likewise.
4485         (expand_builtin_fputs): Likewise.
4486         (expand_builtin_expect): Likewise.
4487         (expand_builtin_fabs): Likewise.
4488         (expand_builtin_copysign): Likewise.
4489         (expand_builtin_printf): Likewise.
4490         (expand_builtin_fprintf): Likewise.
4491         (expand_builtin_sprintf): Likewise.
4492         (expand_builtin_init_trampoline): Likewise.
4493         (expand_builtin_signbit): Likewise.
4494         (expand_builtin_fork_or_exec): Likewise.
4495         (expand_builtin_sync_operation): Likewise.
4496         (expand_builtin_compare_and_swap): Likewise.
4497         (expand_builtin_lock_test_and_set): Likewise.
4498         (expand_builtin_lock_release): Likewise.
4499         (expand_builtin): Likewise.
4500         (builtin_mathfn_code): Likewise.
4502         (fold_builtin_constant_p): Pass call arguments individually instead
4503         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4504         accessors and constructors.  Return NULL_TREE instead of 0.
4505         (fold_builtin_expect): Likewise.
4506         (fold_builtin_classify_type): Likewise.
4507         (fold_builtin_strlen): Likewise.
4508         (fold_builtin_nan): Likewise.
4509         (integer_valued_real_p): Likewise.
4510         (fold_trunc_transparent_mathfn): Likewise.
4511         (fold_fixed_mathfn): Likewise.
4512         (fold_builtin_cabs): Likewise.
4513         (fold_builtin_sqrt): Likewise.
4514         (fold_builtin_cbrt): Likewise.
4515         (fold_builtin_cos): Likewise.
4516         (fold_builtin_cosh): Likewise.
4517         (fold_builtin_tan): Likewise.
4518         (fold_builtin_sincos): Likewise.
4519         (fold_builtin_cexp): Likewise.
4520         (fold_builtin_trunc): Likewise.
4521         (fold_builtin_floor): Likewise.
4522         (fold_builtin_ceil): Likewise.
4523         (fold_builtin_round): Likewise.
4524         (fold_builtin_int_roundingfn): Likewise.
4525         (fold_builtin_bitop): Likewise.
4526         (fold_builtin_bswap): Likewise.
4527         (fold_builtin_logarithm): Likewise.
4528         (fold_builtin_hypot): Likewise.
4529         (fold_builtin_pow): Likewise.
4530         (fold_builtin_powi): Likewise.
4531         (fold_builtin_exponent): Likewise.
4532         (fold_builtin_memset): Likewise.
4533         (fold_builtin_bzero): Likewise.
4534         (fold_builtin_memory_op): Likewise.
4535         (fold_builtin_bcopy): Deleted; call site changed to invoke
4536         fold_builtin_memory_op directly.
4537         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4538         (fold_builtin_strncpy): Likewise.
4539         (fold_builtin_memcmp): Likewise.
4540         (fold_builtin_strcmp): Likewise.
4541         (fold_builtin_strncmp): Likewise.
4542         (fold_builtin_signbit): Likewise.
4543         (fold_builtin_copysign): Likewise.
4544         (fold_builtin_isascii): Likewise.
4545         (fold_builtin_toascii): Likewise.
4546         (fold_builtin_isdigit): Likewise.
4547         (fold_builtin_fabs): Likewise.
4548         (fold_builtin_abs): Likewise.
4549         (fold_builtin_fmin_fmax): Likewise.
4550         (fold_builtin_carg): Likewise.
4551         (fold_builtin_classify): Likewise.
4552         (fold_builtin_unordered_cmp): Likewise.
4554         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4555         New functions split out from fold_builtin_1.
4556         (fold_builtin_n): New.
4557         (fold_builtin_varargs): New.
4558         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4559         instead.
4560         (fold_call_expr): New.
4561         (build_function_call_expr): Rewrite to use new helper function.
4562         (fold_builtin_call_list): New.
4563         (build_call_expr): New.
4564         (fold_builtin_call_valist): New.
4565         (rewrite_call_expr): New.
4566         (validate_arg): New.
4567         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4568         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4569         accessors.
4571         (fold_builtin_strstr):  Pass call arguments individually instead
4572         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4573         accessors and constructors.  Return NULL_TREE instead of 0.
4574         (fold_builtin_strchr): Likewise.
4575         (fold_builtin_strrchr): Likewise.
4576         (fold_builtin_strpbrk): Likewise.
4577         (fold_builtin_strcat): Likewise.
4578         (fold_builtin_strncat): Likewise.
4579         (fold_builtin_strspn): Likewise.
4580         (fold_builtin_strcspn): Likewise.
4581         (fold_builtin_fputs): Likewise.
4582         (fold_builtin_next_arg): Likewise.
4583         (fold_builtin_sprintf): Likewise.
4585         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4586         NULL_RTX instead of 0.
4587         (expand_builtin_memory_chk): Likewise.
4588         (maybe_emit_chk_warning): Likewise.
4589         (maybe_emit_sprintf_chk_warning): Likewise.
4591         (fold_builtin_object_size): Pass call arguments individually instead
4592         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4593         accessors and constructors.  Return NULL_TREE instead of 0.
4594         (fold_builtin_memory_chk): Likewise.
4595         (fold_builtin_stxcpy_chk): Likewise.
4596         (fold_builtin_strncpy_chk): Likewise.
4597         (fold_builtin_strcat_chk): Likewise.
4598         (fold_builtin_strcat_chk): Likewise.
4599         (fold_builtin_strncat_chk): Likewise.
4600         (fold_builtin_sprintf_chk): Likewise.
4601         (fold_builtin_snprintf_chk): Likewise.
4602         (fold_builtin_printf): Likewise.
4603         (fold_builtin_vprintf): Likewise.
4605         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4606         constructors.
4607         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4608         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4609         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4610         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4611         (fold_unary): Likewise.
4612         (fold_binary): Likewise.
4613         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4614         ternary expressions.
4615         (fold): Add logic for tcc_vl_exp.
4616         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4617         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4618         (fold_build3_stat): Add assertion to flag broken interface for
4619         constructing CALL_EXPRs.
4620         (fold_build_call_list): New.
4621         (fold_build_call_list_initializer): New.
4622         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4623         constructors.
4624         (fold_strip_sign_ops): Likewise.
4626 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4627             Brooks Moses  <brooks.moses@codesourcery.com>
4628             Lee Millward  <lee.millward@codesourcery.com>
4630         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4631         accessors and dump arguments explicitly.
4633         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4634         TREE_CODE_LENGTH.
4635         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4636         explicitly.
4637         (print_call_name): Use new CALL_EXPR accessors.
4639         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4640         CALL_EXPR arguments explicitly instead of as a list.  Use
4641         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4643         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4644         (vrp_visit_stmt): Likewise.
4646         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4647         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4648         TREE_CODE_LENGTH.
4649         (force_move_till_expr): Likewise.
4651         * targhooks.c (default_external_stack_protect_fail): Use
4652         build_call_expr instead of build_function_call_expr.
4653         (default_hidden_stack_protect_fail): Likewise.
4655         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4656         build the call.
4658         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4659         and walk arguments explicitly.
4661         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4662         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4663         (expand_simple_operations): Likewise.
4664         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4666         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4667         of TREE_CODE_LENGTH.
4668         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4670         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4671         instead of TREE_CODE_LENGTH.
4673         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4674         (tree_ic_transform): Likewise.
4675         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4676         parameter instead of arglist.  Fix callers.
4677         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4678         (tree_stringops_transform): Likewise.
4679         (tree_indirect_call_to_profile): Likewise.
4680         (tree_stringops_values_to_profile): Likewise.
4682         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4683         (eliminate_tail_call): Likewise.
4685         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4687         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4688         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4689         operands.
4690         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4692         * omp-low.c (build_omp_barrier): Use build_call_expr.
4693         (lower_rec_input_clauses): Likewise.
4694         (lower_reduction_clauses): Likewise.
4695         (expand_parallel_call): Likewise.
4696         (maybe_catch_exception): Likewise.
4697         (expand_omp_for_generic): Likewise.
4698         (expand_omp_for_static_nochunk): Likewise.
4699         (expand_omp_sections): Likewise.
4700         (lower_omp_single_simple): Likewise.
4701         (lower_omp_single_copy): Likewise.
4702         (lower_omp_master): Likewise.
4703         (lower_omp_ordered): Likewise.
4704         (lower_omp_critical): Likewise.
4706         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
4707         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
4709         * tree-gimple.c (is_gimple_call_addr): Fix doc.
4710         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
4711         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
4713         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
4714         and generalize to handle any number of operands.
4715         (chrec_contains_undetermined): Likewise.
4716         (tree_contains_chrecs): Likewise.
4717         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
4719         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
4721         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
4722         fold_call_expr instead of fold_builtin.
4723         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
4724         match declarations there.
4725         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
4726         updates.
4728         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
4729         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4731         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
4732         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
4734         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
4735         accessors.
4737         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
4738         (execute_cse_sincos): Use new CALL_EXPR accessors.
4740         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
4742         * gimple-low.c (lower_function_body): Use build_call_expr.
4743         (lower_builtin_setjmp): Likewise.
4745         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
4746         (set_storage_via_libcall): Likewise.
4747         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
4748         instead of TREE_CODE_LENGTH.
4749         (expand_expr_real_1): Use new CALL_EXPR accessors.
4751         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
4752         generalize to handle any number of operands.
4753         (TB_parent_eq): Likewise.
4755         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
4756         (strip_builtin_expect): Likewise.
4758         * function.c (gimplify_parameters): Use build_call_expr.
4760         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
4761         instead of TREE_CODE_LENGTH.
4763         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
4764         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
4766         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
4767         iterators.
4769         * gimplify.c (build_stack_save_restore): Use build_call_expr.
4770         (gimplify_decl_expr): Likewise.
4771         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
4772         Use new CALL_EXPR iterators.
4773         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
4774         (gimplify_modify_expr_to_memset): Likewise.
4775         (gimplify_variable_sized_compare): Likewise.
4776         (gimplify_omp_atomic_fetch_op): Likewise.
4777         (gimplify_omp_atomic_pipeline): Likewise.
4778         (gimplify_omp_atomic_mutex): Likewise.
4779         (gimplify_function_tree): Likewise.
4781         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
4782         (call_expr_flags): Likewise.
4783         (expand_call): Likewise.
4785         * except.c (expand_builtin_eh_return_data_regno): Pass entire
4786         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4787         accessors.
4789         * coverage.c (create_coverage): Use build_call_expr.
4791         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
4792         (temp_call_expr_obstack): New.
4793         (pool_copy_list): Delete.
4794         (temp_copy_call_expr): New.
4795         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
4796         CALL_EXPR accessors.  Get rid of special goo for copying argument
4797         lists and use temp_copy_call_expr instead.
4798         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
4799         CALL_EXPR accessors.
4800         (create_expression_by_pieces): Likewise.  Use build_call_array
4801         to construct the result instead of fold_build3.
4802         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
4803         dealing with argument lists.
4804         (init_pre): Remove references to expression_node_pool and
4805         list_node_pool.  Init temp_call_expr_obstack instead.
4806         (fini_pre): Remove references to expression_node_pool and
4807         list_node_pool.
4809         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
4810         and walk arguments explicitly instead of as a list.
4812         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
4813         (mx_register_decls): Likewise.
4814         (mudflap_register_call): Likewise.
4815         (mudflap_finish_file): Likewise.
4817         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
4818         (ipa_callsite_compute_param): Likewise.
4820         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
4821         accessors and constructor.
4823         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
4824         accessors and constructor.
4825         (convert_tramp_reference): Likewise.
4826         (convert_call_expr): Likewise.
4827         (finalize_nesting_tree_1): Likewise.
4829         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
4830         accessors.
4832         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
4834         * tree-inline.c (initialize_inlined_parameters): Pass entire
4835         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
4836         accessors.
4837         (estimate_num_insns_1): Use new CALL_EXPR accessors.
4838         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
4840         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
4841         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4842         (vectorizable_reduction): Likewise.
4843         (vectorizable_call): Use new CALL_EXPR iterators.
4844         (vectorizable_conversion): Use build_call_expr.
4845         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
4846         (vect_gen_widened_results_half): Use build_call_expr.
4847         (vect_setup_realignment): Likewise.
4848         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
4850         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
4851         (pass_through_call): Likewise.
4852         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
4853         fold_builtin.
4855         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
4856         (tree_gen_pow2_profiler): Likewise.
4857         (tree_gen_one_value_profiler): Likewise.
4858         (tree_gen_ic_func_profiler): Likewise.
4859         (tree_gen_average_profiler): Likewise.
4860         (tree_gen_ior_profiler): Likewise.
4862         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
4863         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
4864         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4866         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
4867         of TREE_CODE_LENGTH.
4869         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
4870         of TREE_CODE_LENGTH.
4872         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
4873         constructor.
4874         (convert_to_integer): Likewise.
4876         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
4877         accessors.
4879 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4880             Brooks Moses  <brooks.moses@codesourcery.com>
4881             Lee Millward  <lee.millward@codesourcery.com>
4883         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
4884         accessors.
4885         * config/frv/frv.c (frv_expand_builtin): Likewise.
4886         * config/s390/s390.c (s390_expand_builtin): Likewise.
4888         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
4889         (sparc_expand_builtin): Use new CALL_EXPR accessors.
4891         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
4892         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
4893         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
4894         (ix86_expand_store_builtin): Likewise.
4895         (ix86_expand_unop_builtin): Likewise.
4896         (ix86_expand_unop1_builtin): Likewise.
4897         (ix86_expand_sse_compare): Likewise.
4898         (ix86_expand_sse_comi): Likewise.
4899         (ix86_expand_vec_init_builtin): Likewise.
4900         (ix86_expand_vec_ext_builtin): Likewise.
4901         (ix86_expand_vec_set_builtin): Likewise.
4902         (ix86_expand_builtin): Use new CALL_EXPR accessors.
4904         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
4905         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4907         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
4908         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4909         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
4911         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
4912         build_call_expr.
4913         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
4914         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
4915         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4916         (altivec_expand_abs_builtin): Likewise.
4917         (rs6000_expand_binop_builtin): Likewise.
4918         (altivec_expand_predicate_builtin): Likewise.
4919         (altivec_expand_lv_builtin): Likewise.
4920         (spe_expand_stv_builtin): Likewise.
4921         (altivec_expand_stv_builtin): Likewise.
4922         (rs6000_expand_ternop_builtin): Likewise.
4923         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
4924         (altivec_expand_st_builtin): Likewise.
4925         (altivec_expand_dst_builtin): Likewise.
4926         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
4927         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4928         (altivec_expand_vec_set_builtin): Likewise.
4929         (altivec_expand_vec_ext_builtin): Likewise.
4930         (altivec_expand_builtin): Use new CALL_EXPR accessors.
4931         (spe_expand_builtin): Likewise.
4932         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
4933         arglist.  Use new CALL_EXPR accessors.  Fix callers.
4934         (spe_expand_evsel_builtin): Likewise.
4935         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
4936         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
4938         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
4939         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4940         (arm_expand_unop_builtin): Likewise.
4941         (arm_expand_builtin): Use new CALL_EXPR accessors.
4943         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
4944         accessors.
4946         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
4947         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
4948         (bfin_expand_unop_builtin): Likewise.
4949         (bfin_expand_builtin): Use new CALL_EXPR accessors.
4951 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4952             Brooks Moses  <brooks.moses@codesourcery.com>
4953             Lee Millward  <lee.millward@codesourcery.com>
4955         * c-semantics.c (build_stmt): Add internal diagnostic check.
4957         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
4958         accessors.  Print arguments explicitly instead of as a list.
4960         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
4962         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
4963         (c_finish_omp_flish): Likewise.
4965         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
4966         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
4967         instead of TREE_CODE_LENGTH.
4968         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
4969         (c_warn_unused_result): Likewise.
4971 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4973         PR c/26494
4974         * doc/invoke.texi (Warning Options): Remove
4975         -Werror-implicit-function-declaration.
4976         (Wimplicit-function-declaration): Update description.
4977         * opts.c (common_handle_option): Move handling of -Werror=* to...
4978         (enable_warning_as_error): ...here.
4979         * opts.h (enable_warning_as_error): Declare.
4980         * c-decl.c (implicit_decl_warning): Unless
4981         -Wno-implicit-function-declaration is given, emit a pedwarn if
4982         -std=c99 or emit a warning if -Wimplicit-function-declaration.
4983         * c.opt (Wimplicit-function-declaration): Replace
4984         mesg_implicit_function_declaration with
4985         warn_implicit_function_declaration.
4986         * c-opts.c (c_common_handle_option):
4987         -Werror-implicit-function-declaration is exactly equal as
4988         -Werror=implicit-function-declaration.
4989         (set_Wimplicit): Replace mesg_implicit_function_declaration with
4990         warn_implicit_function_declaration.
4991         (c_common_post_options): -Wimplict-function-declaration is enabled
4992         by default by -std=c99, otherwise is disabled by default.
4993         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
4995 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
4997         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
4998         DECL on the rhs to a DECL on the lhs for debug info purposes if the
4999         former is ignored but not the latter.
5001 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5003         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5004         is made and the reference doesn't use the alias set of its type,
5005         do not create the temporary using that type.
5007 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5009         * jump.c: Remove prototypes for delete_computation and
5010         delete_prior_computation.
5012 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5014         * jump.c (get_label_after): Delete.
5015         (get_label_before, delete_computation, delete_jump,
5016         delete_prior_computation, follow_jumps): Move...
5017         * reorg.c (delete_computation, delete_prior_computation): ... here...
5018         (get_label_before, delete_jump): ... making these static ...
5019         (follow_jumps): ... and simplifying this since it only runs after
5020         reload.
5021         * rtl.h (get_label_after, get_label_before, delete_jump,
5022         follow_jumps): Delete prototypes.
5024 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5026         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5028 2007-02-15  Nick Clifton  <nickc@redhat.com>
5030         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5031         order to prevent it from being munged by the target.
5033 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5035         * config/i386/i386.md: Remove misleading comment.
5037 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5039         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5040         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5041         invalid patterns.
5043 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5045         * tree-sra.c (instantiate_missing_elements): Canonicalize
5046         bit-field types.
5047         (sra_build_assignment): New.
5048         (generate_copy_inout, generate_element_copy,
5049         generate_element_zero, generate_one_element_init): Use it.
5051 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5053         * tree-sra.c (instantiate_missing_elements): Canonicalize
5054         bit-field types.
5055         (sra_build_assignment): New.
5056         (generate_copy_inout, generate_element_copy,
5057         generate_element_zero, generate_one_element_init): Use it.
5059 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5061         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5062         limbo die nodes.
5064 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5066         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5067         types as aggregates not scalars.
5068         * function.c (assign_stack_temp_for_type): Likewise.
5070 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5071             Zdenek Dvorak  <dvorakz@suse.cz>
5073         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5074         name.
5076 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5078         * passes.c (next_pass_1): Clear the next field of the copied
5079         pass structure.
5081 2007-02-14  Richard Henderson  <rth@redhat.com>
5083         * tree-sra.c (early_sra): New.
5084         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5085         (tree_sra_early, pass_sra_early): New.
5086         * tree-pass.h (pass_sra_early): Declare.
5087         * passes.c (init_optimization_passes): Use it.
5089 2007-02-14  Richard Guenther  <rguenther@suse.de>
5091         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5093 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5095          PR tree-optimization/30771
5096         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5097         also phi nodes.
5098         (vect_analyze_operations): Induction phis can now be marked as
5099         used_in_loop.
5100         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5101         Update documentation accordingly.
5103 2007-02-14  Nick Clifton  <nickc@redhat.com>
5105         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5106         most 3 arguments are supported.
5107         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5109 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5111         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5112         Ensure dst->current is valid.
5114 2007-02-13  Paul Brook  <paul@codesourcery.com>
5116         * config.gcc: Add arm*-*-uclinux-*eabi.
5117         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5118         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5119         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5120         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5121         (LINK_SPEC): Define.
5122         (LIB_SPEC): Define.
5123         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5124         register.
5125         * config/arm/uclinux-eabi.h: New file.
5126         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5127         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5128         based targets.
5130 2007-02-13  Ian Lance Taylor  <iant@google.com>
5132         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5133         * flags.h (warn_strict_overflow): Declare.
5134         (enum warn_strict_overflow_code): Define.
5135         (issue_strict_overflow_warning): New static inline function.
5136         * opts.c (warn_strict_overflow): New variable.
5137         (common_handle_option): Handle OPT_Wstrict_overflow and
5138         OPT_Wstrict_overflow_.
5139         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5140         OPT_Wall.
5141         * fold-const.c: Include intl.h.
5142         (fold_deferring_overflow_warnings): New static variable.
5143         (fold_deferred_overflow_warning): New static variable.
5144         (fold_deferred_overflow_code): New static variable.
5145         (fold_defer_overflow_warnings): New function.
5146         (fold_undefer_overflow_warnings): New function.
5147         (fold_undefer_and_ignore_overflow_warnings): New function.
5148         (fold_deferring_overflow_warnings_p): New function.
5149         (fold_overflow_warning): New static function.
5150         (make_range): Add strict_overflow_p parameter.  Change all
5151         callers.
5152         (extract_muldiv, extract_muldiv_1): Likewise.
5153         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5154         tree_expr_nonnegative_p.
5155         (fold_negate_expr): Call fold_overflow_warning.
5156         (fold_range_test): Likewise.
5157         (fold_comparison): Likewise.
5158         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5159         instead of tree_expr_nonnegative_p.
5160         (tree_expr_nonnegative_warnv_p): Rename from
5161         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5162         (tree_expr_nonnegative_p): New function.
5163         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5164         strict_overflow_p parameter.
5165         (tree_expr_nonzero_p): New function.
5166         * passes.c (verify_interpass_invariants): New static function.
5167         (execute_one_pass): Call it.
5168         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5169         warnings.
5170         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5171         (estimate_numbers_of_iterations): Likewise.
5172         (scev_probably_wraps_p): Likewise.
5173         * tree-ssa-ccp.c: Include "toplev.h".
5174         (evaluate_stmt): Defer fold overflow warnings until we know we are
5175         going to optimize.
5176         (struct fold_stmt_r_data): Add stmt field.
5177         (fold_stmt_r): Defer fold overflow warnings until we know we
5178         optimized.
5179         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5180         (fold_stmt_inplace): Likewise.
5181         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5182         (cleanup_control_expr_graph): Defer fold overflow warnings until
5183         we know we are going to optimize.
5184         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5185         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5186         Likewise.
5187         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5188         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5189         * tree-ssa-loop-manip.c (create_iv): Likewise.
5190         * c-typeck.c (build_conditional_expr): Likewise.
5191         (build_binary_op): Likewise.
5192         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5193         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5194         (extract_range_from_unary_expr): Likewise.
5195         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5196         assuming that signed overflow does not occur.
5197         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5198         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5199         (fold_defer_overflow_warnings): Declare.
5200         (fold_undefer_overflow_warnings): Declare.
5201         (fold_undefer_and_ignore_overflow_warnings): Declare.
5202         (fold_deferring_overflow_warnings_p): Declare.
5203         (tree_expr_nonzero_warnv_p): Declare.
5204         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5205         of warning options.
5206         (Warning Options): Document -Wstrict-overflow.
5207         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5208         (tree-ssa-ccp.o): Likewise.
5209         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5210         (fold-const.o): Depend on intl.h.
5212 2007-02-13  Ian Lance Taylor  <iant@google.com>
5214         PR middle-end/30751
5215         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5216         addresses.
5218 2007-02-13  Stuart Hastings  <stuart@apple.com>
5220         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5222 2007-02-13  Richard Henderson  <rth@redhat.com>
5224         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5225         handled_component_p before looking for the indirect_ref.
5227 2007-02-13  Richard Henderson  <rth@redhat.com>
5229         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5230         remove flags clobber.
5231         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5232         (bswaphi_lowpart): New.
5233         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5234         remove TARGET_BSWAP test.  Delete expander of the same name.
5236         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5237         (expand_unop): Use them.
5239 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5241         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5242         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5243         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5244         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5245         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5246         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5247         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5248         assembler dialect choice from asm templates.
5250 2007-02-12  Richard Henderson  <rth@redhat.com>
5252         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5253         (fixuns_trunc<SSEMODEF>si2): Use it.
5254         * config/i386/sse.md (vec_setv4sf_0): Export.
5255         * config/i386/i386.c (ix86_build_const_vector): Export.
5256         (ix86_split_convert_uns_si_sse): Rename from
5257         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5258         * config/i386/i386-protos.h: Update.
5260 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5262         PR c/29521
5263         * c-typeck.c (c_finish_return): Improve warning message.
5265 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5267         * alias.c (find_symbolic_term): Delete unused function.
5269 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5271         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5272         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5273         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5275 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5277         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5278         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5279         the function, temporarily point the debug interface to the null one.
5281 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5283         * dwarf2out.c (round_up_to_align): New static function.
5284         (field_byte_offset): Use it to round the offset.
5286 2007-02-12  Richard Henderson  <rth@redhat.com>
5288         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5289         (inswl_const): Export.
5291 2007-02-12  Richard Henderson  <rth@redhat.com>
5293         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5294         result mode of the libcall, convert back to outmode.
5296 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5298         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5299         (bswapdi2): New define_expand to implement 32-bit implementation.
5301 2007-02-12  Nick Clifton  <nickc@redhat.com>
5303         * doc/invoke.texi (Overall Options): Document --help=.
5304         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5305         (cc1_options): Pass --help= on to cc1.
5306         (display_help): Add description of --help=.
5307         (process_command): Add code to handle --help=.  Allow translated
5308         --help and --target-help switches to be passed on to compiler
5309         sub-process.
5310         (main): Remove unused if statement.
5311         * opts.c (columns): Remove.
5312         (LEFT_COLUMN): Define.
5313         (wrap_help): Add columns argument.
5314         (print_filtered_help): Change parameters to be an include bitmask,
5315         an exclude bitmask, an any bitmask and the column width.  Move the
5316         code to display the params list here.  Add code to display the
5317         status of options rather than their descriptions if the quiet flag
5318         is not active.
5319         (print_specific_help): Change parameters to be an include bitmask,
5320         an exclude bitmask and an any bitmask.  Move code to look up the
5321         column width here.  Decide upon the title for an options listing.
5322         (common_handle_options): Add code to handle --help=.  Adapt code
5323         for --help and --target-help to use the revised form of the
5324         print_specific_help function.
5325         (print_help): Delete.
5326         (print_param_help): Delete.
5327         (print_switch): Delete.
5328         * opts.h (cl_lang_count): Add prototype.
5329         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5330         CL_MAX_OPTION_CLASS): New defines.
5331         * optc-gen.awk: Add construction of cl_lang_count.
5332         * c.opt: Add Warning attribute to warning options and Optimization
5333         attribute to optimization options.
5334         * common.opt: Likewise.
5335         Add --help=.
5336         Add -fhelp and -ftarget-help as aliases for the transformed --help
5337         and --target-help options.
5338         * opt-functions.awk: Add code to handle Warning and Optimization
5339         attributes.
5341 2007-02-12  Richard Henderson  <rth@redhat.com>
5343         * config/alpha/constraints.md: New file.
5344         * config/alpha/alpha.c: Include tm-constrs.h.
5345         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5346         alpha_extra_constraint): Remove.
5347         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5348         * config/alpha/alpha-protos.h: Update.
5349         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5350         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5351         (EXTRA_CONSTRAINT): Remove.
5352         * config/alpha/alpha.md: Include constraints.md.
5353         (adddi splitter): Use satisfies_constraint_*.
5354         * config/alpha/predicates.md (add_operand): Likewise.
5355         (sext_add_operand, addition_operation): Likewise.
5357 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5359         PR tree-optimization/29145
5360         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5361         in our handling of restrict qualified pointers.
5363 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5365         PR middle-end/7651
5366         * doc/invoke.texi (Wunused-value): Update description.
5367         (Wextra): Delete item.
5368         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5369         value of Wunused-value.
5370         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5371         (c_finish_stmt_expr): Don't check extra_warnings.
5372         (emit_side_effect_warnings): The caller is responsible to check
5373         warn_unused_value.
5375 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5376             Matt Thomas  <matt@3am-software.com>
5378         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5380 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5382         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5383         comparisons of POPCOUNT against zero.
5384         (simplify_const_relational_operation): Likewise.
5386 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5388         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5390 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5392         * dwarf2out.c (root_type): Delete unused function.
5394 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5396         * genattrtab.c (contained_in_p): Delete unused function.
5397         (write_expr_attr_cache): Likewise.
5399 2007-02-11  Jan Hubicka  <jh@suse.cz>
5401         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5402         previous patch.
5404 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5406         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5407         to add the REG_EQ* note.
5408         * see.c (see_merge_one_use_extension): Likewise.
5409         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5410         turn REG_EQUAL notes into REG_EQUIV notes if the target
5411         register may have more than one set.
5412         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5413         * gcse.c (try_replace_reg): Likewise.
5414         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5415         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5416         more than one REG_EQUIV note.
5417         * reload1.c (gen_reload): Use set_unique_reg_note.
5419 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5421         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5422         (ix86_builtin_conversion): New function.
5424 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5426         PR target/29487
5427         * tree.h (DECL_REPLACEABLE_P): New macro.
5428         * except.c (set_nothrow_function_flags): Likewise.
5430 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5431             Ira Rosen  <irar@il.ibm.com>
5432             Dorit Nuzman  <dorit@il.ibm.com>
5434         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5435         * targhooks.c (default_builtin_vectorized_conversion): New.
5436         * targhooks.h (default_builtin_vectorized_function): New declaration.
5437         * target.h (struct vectorize): Add builtin_conversion field.
5438         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5439         stmt_vec_info_type value.
5440         (vectorizable_conversion): New declaration.
5441         * tree-vect-analyze.c (vect_analyze_operations): Add
5442         vectorizable_conversion call.
5443         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5444         * tree-vect-transform.c (vectorizable_conversion): New function.
5445         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5446         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5447         mode.
5448         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5449         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5450         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5451         or ALTIVEC_BUILTIN_VCFSX.
5453 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5455         PR target/30634
5456         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5457         CONST_DOUBLE and operand 0 is a hard register.
5458         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5459         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5460         is a hard floating-point register.
5462 2007-02-10  Richard Henderson  <rth@redhat.com>
5463             Jakub Jelinek  <jakub@redhat.com>
5464             Alexandre Oliva  <aoliva@redhat.com>
5466         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5467         * builtin-types.def (BT_WORD): Make unsigned.
5468         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5469         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5470         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5471         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5472         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5473         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5474         emulated tls.
5475         * expr.c (emutls_var_address): New.
5476         (expand_expr_real_1): Expand emulated tls.
5477         (expand_expr_addr_expr_1): Likewise.
5478         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5479         * output.h (emutls_finish): Declare.
5480         * toplev.c (compile_file): Call it.
5481         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5482         address before wrapping in CONST.
5483         * varasm.c (emutls_htab, emutls_object_type): New.
5484         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5485         (get_emutls_object_name, get_emutls_object_type): New.
5486         (get_emutls_init_templ_addr, emutls_decl): New.
5487         (emutls_common_1, emutls_finish): New.
5488         (assemble_variable): When emulating tls, swap decls; generate
5489         constructor for the emutls objects.
5490         (do_assemble_alias): When emulating tls, swap decl and target name.
5491         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5492         for emulated tls.
5493         * varpool.c (decide_is_variable_needed): Look at force_output.
5494         Recurse for emulated tls.
5495         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5496         with decide_is_variable_needed.
5497         * emutls.c: New file.
5498         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5499         tls_object for real tls.
5501 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5503         PR rtl-optimization/29599
5504         * reload1.c (eliminate_regs_in_insn): Take the destination
5505         mode into account when computing the offset.
5507 2007-02-09  Stuart Hastings  <stuart@apple.com>
5508             Richard Henderson  <rth@redhat.com>
5510         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5511         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5512         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5513         fixuns_truncdfhi2): New.
5514         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5515         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5516         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5517         (floatunssidf2): Allow nonimmediate source.
5518         * gcc/config/i386/sse.md (movdi_to_sse): New.
5519         (vec_concatv2di): Drop '*'.
5520         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5521         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5522         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5523         New.
5524         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5525         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5526         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5527         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5528         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5529         ix86_build_const_vector.
5530         (x86_emit_floatuns): Rewrite.
5532 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5534         * genautomata.c (longest_path_length): Delete unused function.
5535         (struct state): Delete unused longest_path_length.
5536         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5537         (get_free_state): Delete unused.
5539 2007-02-09  Jan Hubicka  <jh@suse.cz>
5541         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5542         * doc/invoke.texi (inline-unit-growth): Update default value.
5544         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5545         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5546         (rebuild_cgraph_edges): Likewise.
5547         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5548         (dump_cgraph_node): Dump frequencies.
5549         (cgraph_clone_edge): Add frequency scales.
5550         (cgraph_clone_node): Add freuqnecy.
5551         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5552         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5553         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5554         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5555         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5556         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5557         (save_inline_function_body): Likewise.
5558         * ipa-inline.c: inluce rtl.h
5559         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5560         (cgraph_edge_badness): Use frequencies.
5561         (cgraph_decide_recursive_inlining): Update clonning.
5562         (cgraph_decide_inlining_of_small_function): Dump frequency.
5563         * predict.c (estimate_bb_frequencies): Export.
5564         * predict.h (estimate_bb_frequencies): Declare.
5565         * tree-inline.c (copy_bb): Watch overflows.
5566         (expand_call_inline): Update call of cgraph_create_edge.
5567         (optimize_inline_calls): Use TODO flags to update frequnecies.
5568         * passes.h: Include predict.h
5569         (init_optimization_passes): Move profile ahead.
5570         (execute_function_todo): Handle TODO_rebuild_frequencies.
5572 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5574         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5575         the insbl or inswl pattern into a register.
5577 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5579         * config/ia64/ia64.md (bswapdi2): New define_insn.
5581 2007-02-09  Richard Henderson  <rth@redhat.com>
5583         * config/i386/constraints.md (Ym): New constraint.
5584         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5585         (movdi_1_rex64): Split sse and xmm general register moves from
5586         memory move alternatives.  Use conditional register constraints.
5587         (movsf_1, movdf_integer): Likewise.
5588         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5589         (movdf_integer_rex64): New.
5590         (pushsf_rex64): Fix output constraints.
5591         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5592         (sse2_stored): Likewise.
5593         (sse2_storeq_rex64): New.
5594         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5595         amd and not generic.
5596         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5597         for optimize_size.  Remove SF/DFmode hack.
5599 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5601         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5602         (bit_SSE4a): New.
5604 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5605             Richard Sandiford  <richard@codesourcery.com>
5607         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5608         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5609         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5610         m68k/t-mlib to tmake_file.
5611         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5612         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5613         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5614         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5615         variable is not empty, add t-$m68k_arch_family to tmake_file.
5616         Add t-mlibs to tmake_file.
5617         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5618         * config/m68k/t-cf: New file.
5619         * config/m68k/t-m68k: Likewise.
5620         * config/m68k/t-mlibs: Likewise.
5621         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5622         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5623         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5624         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5625         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5626         Delete.
5627         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5628         (INSTALL_LIBGCC): Delete.
5629         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5630         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5631         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5632         (M68K_MLIB_CPU): Define.
5633         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5634         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5635         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5637 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5638             Richard Guenther  <rguenther@suse.de>
5640         PR middle-end/23361
5641         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5642         against INT_MIN/INT_MAX.
5643         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5644         file if a loop is removed.
5646 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5648         * calls.c (store_one_arg): Pass correct alignment to
5649         emit_push_insn for non-BLKmode values.
5650         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5651         unaligned stack slot via a suitably aligned slot.
5653 2007-02-08  DJ Delorie  <dj@redhat.com>
5655         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5656         warnings.
5657         (legal_subregs): Use unsigned char, make const.
5658         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5660 2007-02-08  Paul Brook  <paul@codesourcery.com>
5662         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5663         special interworking needed.
5665 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5667         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5668         conditional to __SSE2__.
5669         (Entries below should have been added to first ChangeLog
5670         entry for amdfam10 dated 2007-02-05)
5671         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5672         defined.
5673         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5674         defined.
5675         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5676         defined.
5678 2007-02-08  DJ Delorie  <dj@redhat.com>
5680         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5681         * config/m32c/m32c.c (legal_subregs): New.
5682         (m32c_illegal_subreg_p): New.
5683         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5684         unsupported subregs of hard regs.
5686 2007-02-08  Jan Hubicka  <jh@suse.cz>
5688         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5689         the same one; always update histograms.
5691 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5693         * passes.c (init_optimization_passes): Tidy comment.
5695 2007-02-08  Roger Sayle  <roger@eyesopen.com>
5697         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
5698         strip zero_extend, bswap and rotates from POCOUNT's argument.
5699         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
5700         zero_extend and rotates from PARITY's argument.
5701         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
5702         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
5703         of an integer constant at compile-time.
5705 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5707         PR 30562
5708         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5709         Update all users.
5710         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
5711         users.
5712         (init_alias_info):
5713         * tree-ssa-live.c (remove_unused_locals): Do not remove
5714         TREE_ADDRESSABLE variables.
5715         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
5716         * tree-ssa-operands.c (add_virtual_operand): Remove argument
5717         FOR_CLOBBER.  Update all users.
5718         If VAR has an associated alias set, add a virtual operand for
5719         it if no alias is found to conflict with the memory reference.
5721 2007-02-07  Jan Hubicka  <jh@suse.cz>
5722             Robert Kidd <rkidd@crhc.uiuc.edu>
5724         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
5726 2007-02-07  Ian Lance Taylor  <iant@google.com>
5728         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
5730 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5732         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
5733         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
5734         tablejumpdi, movsi_to_cr_one): Remove constraints from
5735         define_expand's match_operands.
5737 2007-02-07  Roger Sayle  <roger@eyesopen.com>
5739         * global.c (compute_regsets): Move declatation of "i" inside of
5740         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
5742 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
5744         PR c++/30703
5745         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
5746         of INDIRECT_REF <RESULT_DECL>.
5748         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
5750 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
5751             Kaz Kojima  <kkojima@gcc.gnu.org>
5753         PR target/29746
5754         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
5755         properly.
5756         (sh_initialize_trampoline): Add parentheses to avoid a warning.
5758 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
5760         * doc/loop.texi: Document possibility not to perform disambiguation
5761         of loops with multiple latches.
5762         * cfgloopmanip.c (alp_enum_p): Removed.
5763         (add_loop): Handle subloops.  Use get_loop_body_with_size.
5764         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
5765         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
5766         the new forwarder block.
5767         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
5768         Handle the case latch is NULL.
5769         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
5770         when marking loop exits.
5771         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
5772         be modified.
5773         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
5774         disambiguate_loops_with_multiple_latches.
5775         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
5776         before fix_loop_structure.
5777         * cfgloop.c: Include pointer-set.h and output.h.
5778         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
5779         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
5780         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
5781         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
5782         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
5783         disambiguate_multiple_latches, get_loop_body_with_size,
5784         disambiguate_loops_with_multiple_latches): New functions.
5785         (flow_loop_dump): Dump multiple latch edges.
5786         (flow_loop_nodes_find): Handle loops with multiple latches.
5787         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
5788         (glb_enum_p): Modified.
5789         (get_loop_body): Use get_loop_body_with_size.
5790         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
5791         (AVOID_CFG_MODIFICATIONS): New constant.
5792         (disambiguate_loops_with_multiple_latches, add_loop,
5793         get_loop_body_with_size): Declare.
5794         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
5796 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
5798         PR inline-asm/28686
5799         * global.c (compute_regsets): New function.
5800         (global_alloc): Refactored ELIMINABLE_REGSET
5801         and NO_GLOBAL_ALLOC_REGS computation out.
5802         (rest_of_handle_global_alloc): Call compute_regsets()
5803         for non-optimizing case.
5805 2007-02-06  Richard Henderson  <rth@redhat.com>
5807         * config/i386/constraints.md (Y2): Rename from Y.
5808         (Yi): New constraint.
5809         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
5810         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
5811         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
5812         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
5813         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
5814         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
5815         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
5816         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
5817         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
5818         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
5819         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
5820         vec_extractv2si_1): Change Y constraints to Y2.
5821         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
5822         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
5823         Change Y constraints to Y2.
5824         (sse2_loadld): Change Y constraints to x.
5826 2007-02-06  Roger Sayle  <roger@eyesopen.com>
5828         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
5829         (parity<mode>2): New define_expand using rs6000_emit_parity.
5830         * config/rs6000/rs6000.c (rs6000_emit_popcount,
5831         rs6000_emit_parity): New functions.
5832         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
5833         rs6000_emit_parity): Prototype here.
5835 2007-02-06  Ian Lance Taylor  <iant@google.com>
5837         * lower-subreg.c (simple_move_operand): Reject CONST.
5838         (resolve_clobber): Call validate_change rather than directly
5839         assigning to XEXP (pat, 0).
5841 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5843         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
5844         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
5845         (tree-cfg.o): Remove hashtab.h dependency.
5847         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
5848         (struct ivopts_data): Change niters to pointer_map_t.
5849         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
5850         (niter_for_exit): Create pointer_map on demand.  Change for
5851         pointer_map API.
5852         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
5853         (free_loop_data): Destroy data->niters if created and reset field.
5854         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
5855         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
5857         * tree-ssa-reassoc.c: Include pointer-set.h.
5858         (bb_rank): Change to long *.
5859         (operand_rank): Change to pointer_map_t.
5860         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
5861         (insert_operand_rank): Accept long.
5862         (operand_entry_hash, operand_entry_eq): Remove.
5863         (get_rank): Return long.  Adjust for changes above.
5864         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
5865         and operand_rank.
5866         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
5868         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
5869         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
5870         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
5871         is not NULL.
5872         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
5873         directly since it cannot be NULL.
5874         (get_vi_for_tree): Rewrite for pointer_map API.
5875         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
5876         (init_alias_vars): Create vi_for_tree as pointer_map.
5877         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
5879         * tree-cfg.c: Don't include hashtab.h.
5880         (edge_to_cases): Declare as pointer_map.
5881         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
5882         Delete.
5883         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
5884         (start_recording_case_labels): Create edge_to_cases as pointer_map.
5885         (end_recoding_case_labels): Cleanup edge_to_cases manually before
5886         destroying it.
5887         (record_switch_edge): Delete.
5888         (get_cases_for_edge): Adjust for pointer_map API, inline
5889         record_switch_edge (rewritten for new API), remove goto.
5891 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
5893         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
5894         * tree-nested.c: Include pointer-set.h.
5895         (var_map_elt, var_map_eq, var_map_hash): Delete.
5896         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
5897         to pointer_map_t's.
5898         (nesting_info_bitmap_obstack): New.
5899         (lookup_field_for_decl): Adjust for pointer_map API.
5900         (lookup_tramp_for_decl): Adjust for pointer_map API.
5901         (get_nonlocal_debug_decl): Adjust for pointer_map API.
5902         (get_local_debug_decl): Adjust for pointer_map API.
5903         (convert_nl_goto_reference): Adjust for pointer_map API.
5904         (convert_nl_goto_receiver): Adjust for pointer_map API.
5905         (create_nesting_tree): Create outside GGC space.  Create bitmap on
5906         the new obstack.  Create field_map and var_map as pointer_maps.
5907         (free_nesting_tree): Adjust for changes to create_nesting_tree.
5908         (root): Delete.
5909         (lower_nested_functions): Move root here, no need to NULL it.
5910         Initialize and release the obstack.
5912 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
5914         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
5915         Remove prototypes and make them non-static.
5916         (struct tree_int_map): Remove.
5917         * tree.h (struct tree_int_map): Move here, turning TO into an
5918         unsigned int.
5919         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
5921         * tree.h (TREE_COMPLEXITY): Remove.
5922         (struct tree_exp): Remove complexity field.
5923         * tree.c (build1_stat): Don't set it.
5925 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
5926             Victor Kaplansky  <victork@il.ibm.com>
5928         * tree-vectorizer.c (vect_is_simple_use): Support induction.
5929         (vect_is_simple_reduction): Support reduction with induction as
5930         one of the operands.
5931         (vect_is_simple_iv_evolution): Fix formatting.
5932         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
5933         formatting.  Don't mark induction phis for vectorization.
5934         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
5935         * tree-vect-transform.c (get_initial_def_for_induction): New function.
5936         (vect_get_vec_def_for_operand): Support induction.
5937         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
5938         induction case.
5939         (vectorizable_reduction): Support reduction with induction as one of
5940         the operands.
5941         (vectorizable_type_demotion): Use def-type of stmt argument rather
5942         than dummy def-type.
5944         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
5945         flag_tree_scev_cprop.
5946         * common.opt (tree-scev-cprop): New flag.
5948         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
5949         call to vect_get_new_vect_var.
5951 2007-02-06  Ira Rosen  <irar@il.ibm.com>
5953         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
5954         vectype is not NULL.
5955         (vect_pattern_recog_1): Likewise.
5957 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5959         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
5960         (fold_negate_expr): Likewise.
5962 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
5964         PR debug/30189
5965         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
5966         even if cv-qualification is the same.
5968 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
5970         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
5971         __enable_execute_stack on completion.
5973 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5975         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
5976         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
5977         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
5978         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
5979         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
5980         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
5981         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
5982         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
5984 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
5986         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
5987         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
5988         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
5989         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
5990         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
5991         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
5992         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
5993         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
5994         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
5995         umuldi3_highpart_rex64, umulsi3_highpart_insn,
5996         umulsi3_highpart_zext, smuldi3_highpart_rex64,
5997         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
5998         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
5999         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6000         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6001         sqrtextenddfxf2_i387): Added amdfam10_decode.
6003         * config/i386/athlon.md (athlon_idirect_amdfam10,
6004         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6005         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6006         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6007         athlon_ivector_store_amdfam10): New define_insn_reservation.
6008         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6009         amdfam10.
6011 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6013         * config/i386/athlon.md (athlon_call_amdfam10,
6014         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6015         define_insn_reservation.
6016         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6017         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6018         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6020 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6022         * config/i386/athlon.md (athlon_sseld_amdfam10,
6023         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6024         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6026 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6028         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6029         define_insn_reservation.
6030         * config/i386/i386.md (sseins): Added sseins to define_attr type
6031         and define_attr unit.
6032         * config/i386/sse.md: Set type attribute to sseins for insertq
6033         and insertqi.
6035 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6037         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6038         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6039         ssecomi_load_amdfam10, ssecomi_amdfam10,
6040         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6041         define_insn_reservation.
6042         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6044 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6046         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6047         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6048         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6049         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6050         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6051         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6052         define_insn_reservation.
6054         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6055         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6056         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6057         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6058         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6060 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6062         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6063         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6064         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6065         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6066         athlon_ssemul_load_k8): Added amdfam10.
6068 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6070         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6071         (x86_sse_unaligned_move_optimal): New variable.
6073         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6074         m_AMDFAM10.
6075         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6076         for unaligned vector SSE double/single precision loads for AMDFAM10.
6078 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6080         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6081         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6082         Define TARGET_CPU_DEFAULT_amdfam10.
6083         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6084         (processor_type): Add PROCESSOR_AMDFAM10.
6086         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6087         processor_type in config/i386/i386.h.
6088         Enable imul peepholes for TARGET_AMDFAM10.
6090         * config.gcc: Add support for --with-cpu option for amdfam10.
6092         * config/i386/i386.c (amdfam10_cost): New variable.
6093         (m_AMDFAM10): New macro.
6094         (m_ATHLON_K8_AMDFAM10): New macro.
6095         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6096         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6097         x86_promote_QImode, x86_integer_DFmode_moves,
6098         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6099         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6100         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6101         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6102         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6103         Enable/disable for amdfam10.
6104         (override_options): Add amdfam10_cost to processor_target_table.
6105         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6106         processor_alias_table.
6107         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6108         (ix86_adjust_cost): Add code for amdfam10.
6110 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6112         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6113         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6114         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6115         * config/i386/i386.h: Add builtin definition for SSE4A.
6116         * config/i386/i386.md: Add support for ABM instructions
6117         (popcnt and lzcnt).
6118         * config/i386/sse.md: Add support for SSE4A instructions
6119         (movntss, movntsd, extrq, insertq).
6120         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6121         Add -march=amdfam10 flag.
6122         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6123         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6124         and amdfam10.
6125         * doc/extend.texi: Add documentation for SSE4A builtins.
6127 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6129         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6131 2007-02-05  Richard Guenther  <rguenther@suse.de>
6133         * tree-vectorizer.h (vectorizable_function): Add argument type
6134         argument, change return type.
6135         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6136         * tree-vect-transform.c (vectorizable_function): Handle extra
6137         argument, return vectorized function decl.
6138         (build_vectorized_function_call): Remove.
6139         (vectorizable_call): Handle calls with result and argument types
6140         differing.  Handle loop vectorization factor correctly.
6141         * targhooks.c (default_builtin_vectorized_function): Adjust for
6142         extra argument.
6143         * targhooks.h (default_builtin_vectorized_function): Likewise.
6144         * target.h (builtin_vectorized_function): Add argument type
6145         argument.
6146         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6147         extra argument, allow vectorizing of lrintf.
6148         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6149         documentation of target hook.
6151 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6153         PR target/30665
6154         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6155         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6156         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6158 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6160         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6161         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6162         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6163         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6164         before canonicalizing sincos to cexpi.
6165         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6167 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6169         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6170         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6171         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6173 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6175         * mips-tfile.c (initialize_init_file): Correct endianness test.
6177 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6179         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6180         the 'y' constraint.
6182 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6184         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6185         saves in a PARALLEL before the register assignments.
6187 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6189         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6190         DWARF_FRAME_RETURN_COLUMN to be a general register.
6191         * dwarf2out.c (init_return_column_size): New function, split from...
6192         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6193         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6194         to be nongeneral registers.
6195         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6196         integer registers.
6197         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6198         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6200 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6202         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6204 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6206         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6207         (remove_path): Use can_remove_branch_p and remove_branch instead
6208         of loop_delete_branch_edge.
6209         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6210         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6211         Update profile using scale_dominated_blocks_in_loop.
6212         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6213         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6214         (can_remove_branch_p, remove_branch): Declare.
6215         * tree-cfg.c (tree_can_remove_branch_p): New function.
6216         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6217         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6218         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6220 2007-02-05  Jan Hubicka  <jh@suse.cz>
6222         PR middle-end/30696
6223         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6224         nodes in cgraph, don't remove offline copy of the function.
6226 2007-02-04  Jan Hubicka  <jh@suse.cz>
6228         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6229         vectors might cause maybe_lookup_element_for_expr to be called
6230         on non-sra-candidate.
6232 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6234         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6235         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6236         spelling conventions.
6238 2007-02-04  Richard Guenther  <rguenther@suse.de>
6240         PR middle-end/30636
6241         * fold-const.c (try_move_mult_to_index): Make sure to not
6242         overflow one dimension of a multi-dimensional array access.
6244 2007-02-04  Jan Hubicka  <jh@suse.cz>
6246         * passes.c (init_optimization_passes): Reindent.
6248 2007-02-04  Jan Hubicka  <jh@suse.cz>
6249             Eric Botcazou  <ebotcazou@adacore.com>
6251         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6252         (execute_fixup_cfg): Break out the abnormal goto code.
6253         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6254         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6255         (optimize_inline_calls): Call make_nonlocal_label_edges.
6257 2007-02-04  Jan Hubicka  <jh@suse.cz>
6259         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6260         true when something was changed.
6261         (rename_ssa_copies): When something was changed, do
6262         TODO_remove_unused_locals.
6263         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6264         add TODO_remove_unused_locals when instruction was removed.
6266 2007-02-04  Jan Hubicka  <jh@suse.cz>
6268         * ipa-inline.c (try_inline): Improve debug output; work on already
6269         inline edges too.
6270         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6271         call try_inline for already inlined edges too when flattening;
6272         inline also functions that make callee growth but overall unit size
6273         reduce.
6275 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6277         * config/m32c/bitops.md, config/m32c/jump.md,
6278         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6279         config/m32r/m32r.h, config/m32r/m32r.md,
6280         config/m32r/predicates.md, config/m68hc11/larith.asm,
6281         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6282         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6283         config/mips/mips-protos.h, config/mips/mips.c,
6284         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6285         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6286         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6287         spelling conventions.
6289         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6290         Follow spelling conventions.
6292 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6294         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6295         warn about C++0x compatibility.
6297 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6299         * config/h8300/h8300.c, config/h8300/h8300.h,
6300         config/h8300/h8300.md: Follow spelling conventions.
6302 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6304         PR middle-end/30667
6305         * combine.c (try_combine): Do not substitute source operand
6306         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6308 2007-02-03  Jan Hubicka  <jh@suse.cz>
6310         PR gcov-profile/30650
6311         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6312         do not divide by zero for never executed counters.
6313         (tree_find_values_to_profile): Fix counters.
6314         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6316 2007-02-03  Ian Lance Taylor  <iant@google.com>
6318         * lower-subreg.c (simple_move_operand): New static function,
6319         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6320         operands.
6321         (simple_move): Call simple_move_operand.
6322         (find_decomposable_subregs): Add special handling of MEMs.
6323         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6324         meaning of return value.  If we see a hard register, test whether
6325         it can store a word_mode value.  Change all callers.
6327 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6329         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6330         ftrapv insns and expanders.
6331         (subdi3): Change define_expand operand 1 to arith11_operand, and
6332         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6333         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6334         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6335         respectively.
6337         PR middle-end/30174
6338         * varasm.c (notice_global_symbol): Treat global objects as weak when
6339         flag_shlib is true.
6341 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6343         * emit-rtl.c (dconstpi): Delete.
6344         (dconstsqrt2): New.
6345         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6346         * real.h (dconstpi): Delete.
6347         (dconstsqrt2): New.
6348         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6349         (fold_builtin_hypot): Likewise.
6351 2007-02-03  Tom Tromey  <tromey@redhat.com>
6353         PR driver/30246
6354         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6355         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6357 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6359         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6360         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6361         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6362         config/rs6000/cell.md, config/rs6000/darwin.h,
6363         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6364         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6365         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6366         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6367         typos.  Follow spelling conventions.
6368         * doc/invoke.texi: Follow spelling conventions.
6370 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6372         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6373         canonicalization transformations that attempt to simplify integer
6374         constant comparisons to become comparisons against zero.
6376 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6378         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6379         fabs(x)*sqrt(2).
6380         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6381         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6383 2007-02-02  Mike Stump  <mrs@apple.com>
6385         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6386         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6387         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6388         generate a branch island.
6390 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6392         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6393         (xtensa_legitimate_address_p): New.
6394         (xtensa_legitimize_address): New.
6395         (xtensa_output_addr_const_extra): New.
6396         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6397         (BASE_REG_P): New.
6398         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6399         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6400         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6401         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6402         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6403         (xtensa_legitimize_address): New.
6404         (xtensa_output_addr_const_extra): New.
6406 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6408         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6410 2007-02-02  Ian Lance Taylor  <iant@google.com>
6412         * expmed.c (expand_divmod): Add comment.
6414 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6416         * emit-rtl.c (renumber_insns): Remove.
6417         * flags.h: Remove the extern for flag_renumber_insns.
6418         * rtl.h: Remove the prototype for renumber_insns.
6419         * toplev.c (flag_renumber_insns): Remove.
6421 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6423         Revert for x86 darwin:
6424         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6426         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6427         code before the following patch under TARGET_MACHO.
6428         (ix86_function_value_regno_p): Likewise.
6430 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6432         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6433         COMPLEX_EXPR.
6435 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6437         PR target/29682
6438         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6439         general or fp registers.  Add comments.
6440         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6442 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6444         * pointer-set.c (insert_aux): Only return insertion slot.
6445         (pointer_set_insert): Adjust.
6446         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6447         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6448         pointer_map_traverse): New.
6449         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6450         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6451         pointer_map_contains, pointer_map_traverse): Declare.
6453 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6455         PR middle-end/30473
6456         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6457         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6459 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6461         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6463         (struct _dep): New type.
6464         (dep_t): New typedef.
6465         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6466         (DEP_STATUS): New access macro.  The macro with the same name was
6467         renamed to DEP_LINK_STATUS.
6468         (dep_init): Declare function
6470         (struct _dep_link): New type.
6471         (dep_link_t): New typedef.
6472         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6473         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6474         (DEP_LINK_STATUS): New macro.
6475         (debug_dep_links): New debug function.
6477         (struct _deps_list): New type.
6478         (deps_list_t): New typedef.
6479         (DEPS_LIST_FIRST): New access macro.
6480         (FOR_EACH_DEP_LINK): New cycle macro.
6481         (create_deps_list, free_deps_list, delete_deps_list): Declare
6482         functions.
6483         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6484         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6485         (copy_deps_list_change_con): Ditto.
6487         (move_dep_link): Declare function.
6489         (struct _dep_node): New type.
6490         (dep_node_t): New typedef.
6491         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6493         (struct haifa_insn_data.back_deps): New field to hold backward
6494         dependencies of the insn.
6495         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6496         to deps_list_t.
6497         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6498         Change its type to deps_list_t.
6499         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6500         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6501         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6503         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6505         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6507         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6508         all callers.
6509         (dep_cost): Declare.
6511         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6512         (ds_to_dk, dk_to_ds): New functions.
6514         (init_dep_1): New static function.
6515         (init_dep): New function.
6516         (copy_dep): New static function.
6518         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6519         functions.
6520         (detach_dep_link): New static function.
6521         (move_dep_link): New function.
6523         (dep_links_consistent_p, dump_dep_links): New static functions.
6524         (debug_dep_links): New debugging function.
6526         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6528         (alloc_deps_list, init_deps_list): New static functions.
6529         (create_deps_list): New function.
6530         (clear_deps_list): New static function.
6531         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6532         (deps_list_consistent_p, dump_deps_list): New static functions.
6533         (debug_deps_list): New function.
6534         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6535         functions.
6536         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6538         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6539         use new scheduler dependencies lists.
6540         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6541         (sched_analyze): Ditto.  Initialize dependencies lists.
6542         (add_forw_dep, compute_forward_dependences): Update to use new
6543         scheduler dependencies lists.
6545         (init_dependency_caches): Init deps_obstack.
6546         (free_dependency_caches): Free deps_obstack.
6548         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6549         new scheduler dependencies lists.
6550         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6551         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6553         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6554         Update to use new scheduler dependencies lists.
6555         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6556         (debug_dependencies): Ditto.
6557         (schedule_region): Update comments.
6559         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6560         scheduler dependencies lists.
6561         (schedule_ebb): Update comments.
6563         * rtl.def (DEPS_LIST): Remove.
6565         * lists.c (unused_deps_list): Remove.
6566         (free_list): Update assertions.
6568         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6569         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6571         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6572         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6574         * haifa-sched.c (comments): Update.
6575         (insn_cost1): Remove.  Inline the code into insn_cost ().
6576         (insn_cost): Update to use new scheduler dependencies lists.  Move
6577         processing of the dependency cost to dep_cost ().
6578         (dep_cost): New function.  Use it instead of insn_cost () when
6579         evaluating cost of the dependency.  Use compatible interface to
6580         interact with the target.
6581         (priority): Update to use new scheduler dependencies lists.
6582         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6583         with greater number of insns that depend on the insn.
6584         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6585         code to free backward dependencies lists.  Inline and optimize code
6586         from resolve_dep () - see PR28071.
6587         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6588         lists.  Update call to targetm.sched.is_costly_dependence hook.
6590         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6591         scheduler dependencies lists.
6593         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6594         (init_h_i_d): Initialize dependencies lists.
6596         (process_insn_depend_be_in_spec): Rename to
6597         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6598         dependencies lists.
6599         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6600         Update to use new scheduler dependencies lists.
6601         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6603         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6604         new scheduler dependencies lists.
6605         (build_intra_loop_deps): Ditto.
6607         * target.h (struct _dep): Declare to use in
6608         gcc_target.sched.is_costly_dependence.
6609         (struct gcc_target.sched.adjust_cost): Fix typo.
6610         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6611         single dep_t parameter instead of an equivalent triad.
6612         (struct gcc_target.sched.adjust_cost_2): Remove.
6614         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6616         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6618         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6619         documentation.
6620         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6622         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6623         (REG_DEP_TRUE): Document.
6625         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6626         Change signature to correspond to the targetm.sched.adjust_cost hook.
6627         Update use in TARGET_SCHED_ADJUST_COST_2.
6628         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6629         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6630         new scheduler dependencies lists.
6631         (ia64_gen_check): Ditto.
6633         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6634         dependencies lists.
6636         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6637         signature to correspond to the targetm.sched.is_costly_dependence hook.
6638         (is_costly_group): Update to use new scheduler dependencies lists.
6640         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6641         instead of INSN_COST () macro.
6643 2007-02-01  Ian Lance Taylor  <iant@google.com>
6645         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6647 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6649         * pa.md (tp_load): Correct mfctl instruction syntax.
6651 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6653         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6654         altivec_padding_size calculation on AIX.  Improve comment, add
6655         assert to verify that it's right.
6657         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6658         64-bit.
6660 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6662         PR inline-asm/28686
6663         * global.c (global_alloc): Add mising initialization of
6664         ELIMINABLE_REGSET.
6666 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6668         * alias.c (init_alias_analysis): Correct whitespace.
6669         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6670         partition_hot_cold_basic_blocks): Likewise.
6671         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6672         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6673         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6674         fold_builtin_snprintf_chk, fold_builtin_printf,
6675         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6676         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6677         * cfgcleanup.c (cleanup_cfg): Likewise.
6678         * cfgexpand.c (tree_expand_cfg): Likewise.
6679         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6680         * function.c (get_next_funcdef_no): Likewise.
6681         * gengtype.c (main): Likewise.
6682         * genmodes.c (main): Likewise.
6683         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6684         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6685         * ifcvt.c (noce_emit_move_insn): Likewise.
6686         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6687         Likewise.
6688         * stor-layout.c (get_best_mode): Likewise.
6689         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6690         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6691         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6692         perform_var_substitution, solve_graph): Likewise.
6693         * tree-vrp.c (vrp_finalize): Likewise.
6695 2007-02-01  Ian Lance Taylor  <iant@google.com>
6697         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
6698         high part of a paradoxical subreg, return a constant zero.
6700 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
6702         * toplev.c (lang_dependent_init): Call init_set_costs.
6703         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
6705 2007-02-01  Richard Guenther  <rguenther@suse.de>
6707         PR middle-end/30656
6708         * fold-const.c (fold_negate_expr): Allow negating a
6709         constant if overflow does not change.
6711 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6713         * doc/c-tree.texi (Expression trees): Improve markup.
6714         * doc/tm.texi (Register Classes, Addressing Modes)
6715         (Floating Point): Fix spacing after abbreviations.  Fix some
6716         typos.
6718 2007-02-01  Ben Elliston  <bje@au.ibm.com>
6720         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
6721         * doc/contrib.texi: Likewise.
6722         * doc/install.texi: Likewise.
6724 2007-01-31  Richard Henderson  <rth@redhat.com>
6725             Ian Lance Taylor  <iant@google.com>
6727         * lower-subreg.c: New file.
6728         * rtl.def (CONCATN): Define.
6729         * passes.c (init_optimization_passes): Add pass_lower_subreg and
6730         pass_lower_subreg2.
6731         * emit-rtl.c (update_reg_offset): New static function, broken out
6732         of gen_rtx_REG_offset.
6733         (gen_rtx_REG_offset): Call update_reg_offset.
6734         (gen_reg_rtx_offset): New function.
6735         * regclass.c: Revert patch of 2006-03-05, restoring
6736         reg_scan_update.
6737         (clear_reg_info_regno): New function.
6738         * dwarf2out.c (concatn_loc_descriptor): New static function.
6739         (loc_descriptor): Handle CONCATN.
6740         * common.opt (fsplit_wide_types): New option.
6741         * opts.c (decode_options): Set flag_split_wide_types when
6742         optimizing.
6743         * timevar.def (TV_LOWER_SUBREG): Define.
6744         * rtl.h (gen_reg_rtx_offset): Declare.
6745         (reg_scan_update): Declare.
6746         * regs.h (clear_reg_info_regno): Declare.
6747         * tree-pass.h (pass_lower_subreg): Declare.
6748         (pass_lower_subreg2): Declare.
6749         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
6750         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
6751         -fsplit-wide-types.
6752         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
6753         * Makefile.in (OBJS-common): Add lower-subreg.o.
6754         (lower-subreg.o): New target.
6756 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6758         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
6760 2007-01-31  Anatoly Sokolov <aesok@post.ru>
6762         PR target/19087
6763         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
6765 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6767         PR middle-end/29335
6768         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
6770 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
6772         * cfgloop.h: Include vec-prim.h.
6773         (enum li_flags): Remove LI_ONLY_OLD.
6774         (loop_iterator): Changed.
6775         (fel_next, fel_init): Iterate over loop tree.
6776         (FOR_EACH_LOOP_BREAK): New macro.
6777         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
6778         FOR_EACH_LOOP.
6779         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
6780         * modulo-sched.c (sms_schedule): Ditto.
6781         * tree-vectorizer.c (vectorize_loops): Ditto.
6782         * doc/loop.texi: Update information on loop numbering and behavior of
6783         FOR_EACH_LOOP wrto new loops.
6784         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6785         add_to_evolution_1): Test nestedness of loops instead of comparing
6786         their numbers.
6787         * tree-chrec.c (chrec_fold_plus_poly_poly,
6788         chrec_fold_multiply_poly_poly, chrec_evaluate,
6789         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
6790         reset_evolution_in_loop): Ditto.
6791         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
6793 2007-01-31  Dirk Mueller  <dmueller@suse.de>
6795         * c-common.c (warn_about_parentheses): Separate warning about
6796         un-parenthized sequence of comparison operators from the one
6797         which is supposed to warn about x <= y <= z.
6799 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
6801         * optabs.h (enum optab_index): Add new OTI_isinf.
6802         (isinf_optab): Define corresponding macro.
6803         * optabs.c (init_optabs): Initialize isinf_optab.
6804         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
6805         patterns.
6806         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
6807         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
6808         using isinf_optab.
6809         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
6810         expand_builtin_interclass_mathfn.
6811         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
6812         * config/i386/i386.md (UNSPEC_FXAM): New constant.
6813         (fxam<mode>2_i387): New insn pattern.
6814         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
6815         built-in functions as x87 inline asm.
6817 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6819         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
6821 2007-01-30  Eric Christopher  <echristo@apple.com>
6823         * config.gcc: Add geode.
6825 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
6827         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
6828         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
6829         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
6830         value-prof.c: Fix comment typos.
6832 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6834         PR c++/24745
6835         * doc/invoke.texi (Wpointer-arith): Document warning.
6837 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
6839         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
6840         the list of discrepancies from the draft TR.
6842 2007-01-30  Dirk Mueller  <dmueller@suse.de>
6844         PR c++/30601
6845         * doc/invoke.texi (-Wreturn-type): Update description to
6846         match new behavior.
6848 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
6850         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
6852 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
6854         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
6855         to handle optabs that operate on floating point input argument and
6856         output to integer output.
6857         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
6858         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
6859         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
6860         expand_builtin_interclass_mathfn ().
6861         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
6862         (ilogbsi2): Remove.
6863         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
6864         ilogbl built-in functions as x87 intrinsics.
6866 2007-01-30  Richard Guenther  <rguenther@suse.de>
6868         PR middle-end/27657
6869         * dwarf2out.c (reference_to_unused): Query varpool if the
6870         variable was output.
6872 2007-01-30  Richard Guenther  <rguenther@suse.de>
6874         PR middle-end/30313
6875         * passes.c (execute_one_pass): Reset in_gimple_form to not
6876         confuse non-unit-at-a-time mode.
6878 2007-01-29  Roger Sayle  <roger@eyesopen.com>
6879             Richard Guenther  <rguenther@suse.de>
6881         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
6882         avoid undefined behaviour on overflow.  Use force_fit_type_double
6883         to construct the constant with the specified TREE_OVERFLOW.
6885 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6887         * config/dfp-bit.c: Add parameterized support for fp exceptions.
6888         * config/dfp-bit.h: Ditto.
6890 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6892         * c-decl.c (pop_scope): Replace warnings with call to
6893         warn_for_unused_label.
6894         * c-common.h (warn_for_unused_label): Declare.
6895         * c-common.c (warn_for_unused_label): Define.
6897 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6899         * tree-optimize.c (update_inlined_to_pointers): Delete unused
6900         function.
6902 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
6904         * Makefile.in (USER_H): Remove decfloat.h.
6905         * ginclude/decfloat.h: Delete, moving contents to ...
6906         * ginclude/float.h: Add support for decimal floating point,
6907         guarded by __STDC_WANT_DEC_FP__.
6909 2007-01-29  Mike Stump  <mrs@apple.com>
6911         * doc/gccint.texi (Top): Rename Loop Representation to Loop
6912         Analysis and Representation to resolve case insensitive conflict.
6913         * doc/loop.texi (Loop Analysis and Representation): Likewise.
6915 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
6917         * tree.h (struct tree_memory_tag): Add aliases member.
6918         (MTAG_ALIASES): New macro.
6919         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
6920         (add_may_alias): Remove pointer-set. Update for may_aliases being
6921         a bitmap.
6922         (mark_aliases_call_clobbered): Update for may_aliases being a
6923         bitmap.
6924         (compute_tag_properties): Ditto.
6925         (create_partition_for): Ditto.
6926         (compute_memory_partitions): Ditto.
6927         (dump_may_aliases_for): Ditto.
6928         (is_aliased_with): Ditto.
6929         (add_may_alias_for_new_tag): Ditto.
6930         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
6931         (compute_is_aliased): New function.
6932         (compute_may_aliases): Call compute_is_aliased).
6933         (init_alias_info): Initialize alias_bitmap_obstack.
6934         (union_alias_set_into): New function.
6935         (compute_flow_sensitive_aliasing): Use union_aliases_into.
6936         (have_common_aliases_p): Rewrite to take two bitmaps and use
6937         intersection.
6938         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
6939         Update for bitmaps.
6940         (finalize_ref_all_pointers): Update for add_may_alias changes.
6941         (new_type_alias): Ditto.
6942         * tree-flow-inline.h (may_aliases): Return a bitmap.
6943         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
6944         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
6945         may_aliases being a bitmap.
6946         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
6947         may_aliases now returns a bitmap.
6948         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
6949         being a bitmap.
6950         * tree-ssa-operands.c (add_virtual_operand): Update for
6951         may_aliases being a bitmap.
6953 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
6955         PR tree-optimization/30630
6956         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
6957         variable as changed.
6959 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
6961         PR c++/28266
6962         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
6963         expanded only once even if an error occurs.
6965 2007-01-29  Ben Elliston  <bje@au.ibm.com>
6967         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
6968         (__gcov_average_profiler): Likewise.
6969         (__gcov_ior_profiler): Likewise.
6970         (__gcov_merge_ior): Likewise.
6972 2007-01-28  Jan Hubicka  <jh@suse.cz>
6974         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
6975         * value-prof.c (stringop_block_profile): Likewise.
6977 2007-01-28  Jan Hubicka  <jh@suse.cz>
6979         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
6980         variant handling histograms; add wrapper.
6981         (clear_storage_via_libcall): Export.
6982         (emit_block_move_hints): Break out from ...; add histograms.
6983         (emit_block_move): ... this one.
6984         (clear_storage_hints): Break out from ...; add histograms.
6985         (clear_storage): ... this one.
6986         (set_storage_via_memset): Handle histogram.
6987         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
6988         (clear_storage_hints, clear_storage_via_libcall): Declare.
6989         (set_storage_via_setmem): Update prototype.
6990         * doc/md.texi (movmem, setmem): Document new arguments.
6992         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
6993         new histograms.
6994         (stringop_block_profile): New global function.
6995         (tree_stringops_values_to_profile): Profile block size and alignment.
6996         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
6997         HIST_TYPE_IOR.
6998         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
6999         (stringop_block_profile): Declare.
7000         * builtins.c: Include value-prof.h.
7001         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7002         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7003         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7004         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7005         * profile.c (instrument_values): Add new counters.
7006         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7007         calls.
7008         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7009         (tree_init_edge_profiler): Build new profilers.
7010         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7011         (pass_tree_profile): Add dump.
7012         (tree_profile_hooks): Update.
7013         * Makefile.in (LIBGCOV): Add new constants.
7014         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7015         __gcov_ior_profiler): New.
7016         * i386.md (movmem/setmem expanders): Add new optional arguments.
7018 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7020         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7022 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7024         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7025         (tree_unswitch_single_loop): Pass eni_size_weights to
7026         tree_num_loop_insns.
7027         * tree-ssa-loop-manip.c: Include tree-inline.h.
7028         (can_unroll_loop_p): Pass eni_size_weights to
7029         tree_num_loop_insns.
7030         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7031         Pass eni_size_weights to estimate_num_insns.
7032         * tree.h (init_inline_once): Export.
7033         * toplev.c (backend_init): Call init_inline_once.
7034         * cgraphunit.c (cgraph_process_new_functions,
7035         cgraph_analyze_function): Pass eni_inlining_weights to
7036         estimate_num_insns.
7037         * ipa-inline.c (compute_inline_parameters): Ditto.
7038         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7039         to estimate_num_insns.
7040         (try_unroll_loop_completely): Pass eni_size_weights to
7041         tree_num_loop_insns.
7042         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7043         ot estimate_num_insns.
7044         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7045         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7046         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7047         eni_time_weights): New variables.
7048         (init_inline_once): Initialize them.
7049         (struct eni_data): Mew.
7050         (estimate_num_insns_1, estimate_num_insns): Use weights.
7051         * tree-inline.h (struct eni_weights_d): New.
7052         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7053         (estimate_num_insns): Declaration changed.
7054         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7055         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7056         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7058 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7060         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7061         relations in the conflict function is valid.
7063 2007-01-27  Ian Lance Taylor  <iant@google.com>
7065         * common.opt: Add fstrict-overflow.
7066         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7067         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7068         (TYPE_OVERFLOW_UNDEFINED): Define.
7069         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7070         Replace all uses.
7071         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7072         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7073         (fold_negate_expr): Likewise.
7074         (make_range): Likewise.
7075         (extract_muldiv_1): Likewise.
7076         (maybe_canonicalize_comparison): Likewise.
7077         (fold_comparison): Likewise.
7078         (fold_binary): Likewise.
7079         (tree_expr_nonnegative_p): Likewise.
7080         (tree_expr_nonzero_p): Likewise.
7081         * tree-vrp.c (compare_values): Likewise.
7082         (extract_range_from_binary_expr): Likewise.
7083         (extract_range_from_unary_expr): Likewise.
7084         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7085         Likewise.
7086         (nowrap_type_p): Likewise.
7087         * tree-scalar-evolution.c (simple_iv): Likewise.
7088         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7089         (build_range_check): Likewise.
7090         (extract_muldiv_1): Likewise.
7091         (fold_comparison): Likewise.
7092         * tree-vrp.c (vrp_int_const_binop): Likewise.
7093         (extract_range_from_unary_expr): Likewise.
7094         * convert.c (convert_to_integer): Likewise.
7095         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7096         (fold_comparison): Likewise.
7097         (fold_binary): Likewise.
7098         * optabs.c (optab_for_tree_code): Likewise.
7099         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7100         * simplify-rtx.c (simplify_const_relational_operation): Check
7101         flag_strict_overflow and flag_trapv.
7102         (simplify_const_relational_operation): Likewise.
7103         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7104         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7105         -fstrict-overflow.
7107 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7109         * tree.c (tree_fold_gcd): Delete.
7110         * tree.h (tree_fold_gcd): Remove prototype.
7111         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7112         test whether one constant integer is a multiple of another.  Instead
7113         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7114         * fold-const.c (multiple_of_p):  We've determined both TOP and
7115         BOTTOM are integer constants so we can call int_const_binop directly
7116         instead of the more generic const_binop.
7118 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7120         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7121         1*X check that the constant hasn't overflowed, to preserve the
7122         TREE_OVERFLOW bit.
7123         (round_up): Provide an efficient implementation when rouding-up an
7124         INTEGER_CST to a power-of-two.
7126 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7128         * doc/sourcebuild.texi: Add comma for clarity.
7129         * doc/extend.texi: Fix some typos.
7130         * doc/passes.texi: Likewise.
7131         * doc/cppinternals.texi: Likewise.
7132         * doc/c-tree.texi: Likewise.
7133         * doc/tree-ssa.texi: Likewise.
7134         * doc/install.texi: Likewise.
7136 2007-01-27  Jan Hubicka  <jh@suse.cz>
7138         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7139         (pass_sra): Do not require alias information.
7140         * passes.c (init_optimization_passes): Add SRA
7142 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7144         * tracer.c (rest_of_handle_tracer): We already cleaned
7145         up the CFG in tracer() so don't do it here again.
7146         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7147         cleanup_cfg here, either.  And don't call renumber_insns.
7149         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7150         and BB_HEAD are in the insn stream here.  Instead make sure
7151         that BB_INSN is valid on all insns.  Also, do check here that
7152         there are no pending branch predictions...
7153         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7154         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7155         here.
7157 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7159         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7160         function to simplify/factorize operand order canonicalization.
7161         (ix86_fixup_binary_operands): Reorganize using the above function.
7162         (ix86_binary_operator_ok): Likewise.
7164 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7166         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7167         file scope from optimize_attrs.
7168         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7169         up search.
7170         (optimize_attrs): Clear insn_code_values after freeing it.
7172 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7174         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7175         a parts.base assignment.
7177 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7179         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7180         (compute_subscript_distance, initialize_data_dependence_relation,
7181         finalize_ddr_dependent, analyze_ziv_subscript,
7182         analyze_siv_subscript_cst_affine,
7183         compute_overlap_steps_for_affine_univar,
7184         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7185         analyze_siv_subscript, analyze_miv_subscript,
7186         analyze_overlapping_iterations, subscript_dependence_tester_1,
7187         compute_self_dependence, free_dependence_relation): Work
7188         with affine_fn instead of chrecs.
7189         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7190         common_affine_function, affine_function_base,
7191         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7192         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7193         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7194         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7195         (all_chrecs_equal_p): Removed.
7196         * tree-data-ref.h (affine_fn, conflict_function): New types.
7197         (struct subscript): Change type of conflicting_iterations_in_a
7198         and conflicting_iterations_in_b.
7200 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7202         PR other/30182
7203         * config/pa/pa.h (TARGET_HPUX_11): New.
7204         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7205         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7207 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7208         Richard Guenther  <rguenther@suse.de>
7210         * tree-ssa-structalias.c (solve_graph): Handle case
7211         we merged the variable to another.
7213 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7215         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7216         functions.
7218         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7219         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7221 2007-01-25  DJ Delorie  <dj@redhat.com>
7223         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7224         allow changes to modes which don't fit in those registers.
7226         * reload1.c (choose_reload_regs): Check for invalid subregs before
7227         computing their locations, not after.
7229 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7231         PR 25127
7232         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7233         save Altivec registers in an eh_return function.
7234         (compute_vrsave_mask): Likewise.
7235         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7236         for saving Altivec registers.
7237         (rs6000_emit_prologue): Don't allocate stack twice in
7238         eh_return function.  Correct expected value of altivec_save_offset
7239         when using save_world.  Describe save of R0 to stack when using
7240         save_world.  Describe stack pointer adjustment when using
7241         save_world.  Remove duplicated eh_return parameter register saving.
7242         Update sp_offset variable after save_world.
7243         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7244         darwin-world.asm.
7245         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7246         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7247         implies Altivec.
7249 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7251         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7253 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7255         PR other/30182
7256         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7257         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7259 2007-01-25  Richard Guenther  <rguenther@suse.de>
7261         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7262         * common.opt (-Wcoverage-mismatch): New warning option.
7263         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7264         if -Wcoverage-mismatch is given.
7266 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7268         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7269         (ipcp_driver): Change to static definition.
7270         Add dumping of the ifunctions.
7271         (constant_val_insert): Remove unused parameter. Support for SSA.
7272         (ipcp_propagate_const): Support for SSA.
7273         (ipcp_profile_bb_print): Print only analyzed nodes.
7274         (ipcp_replace_map_create): Remove support for Fortran constant
7275         for now.
7276         * ipa-prop.c (ipa_method_modify_stmt,
7277         ipa_callsite_compute_param): Support for SSA.
7278         * ipa-prop.h (ipcp_driver): Remove declaration.
7279         (IS_VALID_TREE_MAP_INDEX): Add define.
7281 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7283         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7285 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7287         PR middle-end/30447
7288         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7289         constant argument to cabs and do it without checking for
7290         -funsafe-math-optimizations.
7292 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7294         * c-common.h (RID_FIRST_CXX0X): New.
7295         (RID_LAST_CXX0X): New.
7296         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7297         by -Wall.
7298         * c.opt (Wc++0x-compat): New.
7299         * doc/invoke.texi (-Wc++0x-compat): Document.
7301 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7303         * builtins.c (fold_builtin_carg): New.
7304         (fold_builtin_1): Use it.
7306 2007-01-24  Jan Hubicka  <jh@suse.cz>
7308         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7310         * ipa-inline.c (initial_insns, max_insns): Delete.
7311         (compute_max_insns): New function.
7312         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7313         of insns as base for code growth.
7314         (cgraph_decide_inlining): Make initial_insns local; do not compute
7315         max_insns.
7316         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7317         * doc/invoke.texi (inline-unit-growth): Update docs.
7319 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7321         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7322         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7323         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7324         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7325         for CPUs that have PTA_CX16 set.
7327         PR middle-end/27416
7328         * gimplify.c (omp_check_private): New function.
7329         (gimplify_scan_omp_clauses): Use it for
7330         firstprivate/lastprivate/reduction.
7332         PR middle-end/30494
7333         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7334         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7336         PR middle-end/30421
7337         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7338         If lower_lastprivate_clauses emits some statements, append them
7339         to dlist rather than body_p and to body_p append an initializer.
7340         (lower_omp_for): Adjust caller.
7342 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7344         * target.h (globalize_decl_name): New.
7345         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7346         * output.h (default_globalize_decl_name): New.
7347         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7348         globalize_label.
7349         (globalize_decl): Ditto.
7350         (default_globalize_decl_name): New.
7351         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7352         (ia64_handle_version_id_attribute): New.
7353         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7354         (ia64_asm_output_external): Use globalize_decl_name instead
7355         of globalize_label.
7356         * doc/extend.texi (version_id): New pragma.
7357         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7359 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7361         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7362         _uleb128_t and _Unwind_SWord with _sleb128_t.
7363         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7364         uw_frame_state_for, uw_update_context_1): Likewise.
7365         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7366         * unwind-pe.h (read_uleb128, read_sleb128,
7367         read_encoded_value_with_base): Likewise.
7368         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7370 2007-01-24  Richard Guenther  <rguenther@suse.de>
7372         * builtins.c (expand_builtin_cexpi): Get the fndecl
7373         for cexp in the correct way.
7375 2007-01-24  Jan Hubicka  <jh@suse.cz>
7377         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7379 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7381         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7382         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7383         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7384         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7385         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7386         __SIZEOF_PTRDIFF_T__.
7387         * doc/cpp.texi: Documentation for the new builtin macros added.
7389 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7391         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7392         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7393         instead of operands[2] to avoid access past the end of array.
7395 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7397         * reload1.c (emit_reload_insns): Pass the reload register
7398         for a non-spill output reload through forget_old_reloads_1.
7400 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7402         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7403         _SOFT_DOUBLE if doubles use software floating-point.
7404         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7405         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7406         * config/rs6000/darwin-ldouble.c: Also compile functions for
7407         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7408         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7409         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7410         commented-out long double override.
7411         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7412         * config/rs6000/eabispe.h: Likewise.
7413         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7414         long double for non-SPE.
7415         (rs6000_handle_option): Likewise.
7416         (invalid_e500_subreg): Disallow more subregs involding DImode,
7417         DFmode, TImode or TFmode.
7418         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7419         E500 double.
7420         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7421         double.
7422         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7423         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7424         double.
7425         (rs6000_legitimate_address): Also check for TFmode for E500
7426         double.
7427         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7428         (spe_build_register_parallel): Handle TFmode and TCmode.
7429         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7430         double.
7431         (function_arg): Handle TFmode and TCmode for E500 double.
7432         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7433         in general.
7434         (print_operand): Handle TFmode and TImode for %y.
7435         (rs6000_generate_compare): Handle TFmode comparisons for E500
7436         double.
7437         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7438         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7439         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7440         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7441         TFmode for E500 double.
7442         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7443         (floatsidf2): Enable for E500 double.
7444         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7445         (extenddftf2): Change to extenddftf2_fprs.
7446         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7447         depending on TARGET_E500_DOUBLE.
7448         (extendsftf2): Enable for E500 double.
7449         (trunctfdf2): Enable for E500 double.
7450         (trunctfsf2): Change to trunctfsf2_fprs.
7451         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7452         depending on TARGET_E500_DOUBLE.
7453         (floatsitf2): Enable for E500 double.
7454         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7455         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7456         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7457         (negtf2): Change to negtf2_internal.
7458         (negtf2): New expander.
7459         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7460         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7461         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7462         (movdi_internal32): Use rs6000_nonimmediate_operand.
7463         (unnamed splitter): Likewise.
7464         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7465         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7466         (SPE64TF, DITI): New mode macros.
7467         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7468         modes.
7469         (frob_tf_ti): New.
7470         (frob_<mode>_di_2): New.
7471         (frob_tf_di_8_2): New.
7472         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7473         (frob_ti_tf): New.
7474         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7475         more modes.
7476         (frob_ti_<mode>_8_2): New.
7477         (frob_ti_tf_2): New.
7478         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7479         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7480         TFmode.
7481         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7482         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7483         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7484         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7485         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7486         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7487         tsttflt_gp): New.
7489 2007-01-23  Ian Lance Taylor  <iant@google.com>
7491         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7492         insn-*.o first.
7493         (OBJS-archive): Reformat, alphabetize.
7494         (OBJS): Change out_object_file to OBJS-md.
7496 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7498         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7499         JUMP_P and CALL_P predicates where applicable.
7500         * config/i386/i386.c: Ditto.
7501         * config/i386/i386.md: Ditto.
7502         * config/i386/mmx.md: Ditto.
7503         * config/i386/predicates.md: Ditto.
7505 2007-01-22  Andreas Schwab  <schwab@suse.de>
7507         * config/m68k/m68k.h: Fix comment.
7509 2007-01-22  Jan Hubicka  <jh@suse.cz>
7511         * passes.c (init_optimization_passes): Do not rerun
7512         pass_early_warn_uninitialized.
7514 2007-01-22  Richard Guenther  <rguenther@suse.de>
7516         PR tree-optimization/30038
7517         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7518         function.
7519         (execute_cse_sincos_1): Likewise.
7520         (execute_cse_sincos): Likewise.
7521         (gate_cse_sincos): Likewise.
7522         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7523         the cexpi() canonicalization of sincos().
7524         * tree-pass.h (pass_cse_sincos): Declare.
7525         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7527 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7529         PR rtl-optimization/29329
7530         * combine.c (replaced_rhs_insn): Rename to i2mod.
7531         (replaced_rhs_value): Rename to i2mod_new_rhs.
7532         (i2mod_old_rhs): New global variable.
7533         (combine_instructions): Adjust for above change.  Save a copy of
7534         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7535         note are substituted in the second instruction.
7536         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7537         ditch the note if it pertains to the second eliminated register
7538         and this register is mentioned in i2mod_old_rhs.
7540         Revert:
7541         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7543         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7544         the insn to which the note was originally attached.
7546 2007-01-21  Jan Hubicka  <jh@suse.cz>
7548         * ipa-inline.c (inlining_mode): Comment, move up.
7549         (cgraph_decide_inlining_incrementally): Do not perform inlining
7550         itself; fix handling of flattening of self recursive functions.
7551         (cgraph_find_cycles): Remove.
7552         (cgraph_flatten_node): Remove.
7553         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7554         (try_inline): New function.
7555         (cgraph_early_inlining): Update call of
7556         cgraph_decide_inlining_incrementally.  Apply inlining here.
7557         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7559 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7561         PR bootstrap/30511
7562         * tree-vrp.c (check_array_bounds): do not warn
7563         about ADDR_EXPR's of ARRAY_REF's which are immediately
7564         used in binary expressions.
7566 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7568         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7569         read_write_dep and macros for its access.
7570         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7571         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7572         argument, call vect_check_interleaving for every independent pair of
7573         data-refs. Mark loads that access the same memory location as a store
7574         in the loop.
7575         (vect_check_dependences): Remove.
7576         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7577         call, fix the call to vect_analyze_data_ref_dependence.
7578         (vect_analyze_data_ref_access): For statements that access the same
7579         data-ref, check that they are not stores; for loads, check that there
7580         is no store that access the same location.
7582 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7583             Joseph Myers  <joseph@codesourcery.com>
7585         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7586         (-fdump-rtl-stack): Likewise.
7587         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7588         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7589         (-mpt-fixed): Use @minus{} for minus sign.
7590         (Using Precompiled Headers): Fix under/overfull hbox.
7592 2007-01-20  Jan Hubicka  <jh@suse.cz>
7594         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7595         place within annotation.
7597 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7599         * pa.c (output_move_double): Change array size of xoperands to 4.
7601 2007-01-20  Jan Hubicka  <jh@suse.cz>
7603         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7604         as temporary.
7606 2007-01-19  Ian Lance Taylor  <iant@google.com>
7608         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7609         constant to unsigned HOST_WIDE_INT before negating.
7611 2007-01-19  Ian Lance Taylor  <iant@google.com>
7613         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7614         to unsigned.
7615         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7616         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7617         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7618         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7619         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7620         (realloc_vdef, realloc_vuse): Change second parameter to
7621         unsigned.
7622         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7623         fields to unsigned.
7624         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7625         unsigned. Change x and lim locals to unsigned.
7626         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7627         unsigned.
7628         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7629         (copy_virtual_operands): Change i and n locals to unsigned.
7631 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7633         PR middle-end/29335
7634         * builtins.c (fold_builtin_1): Handle builtin fdim.
7636 2007-01-20  Jan Hubicka  <jh@suse.cz>
7638         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7639         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7640         init_alias_heapvars.
7641         (init_alias_heapvars): Initialize only when not already initialized.
7642         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7644 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7646         * common.opt (fsigned-zeros): New command line option.
7647         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7648         of flag_unsafe_math_optimizations.
7649         * opts.c (set_fast_math_flags): The -ffast-math command line option
7650         implies -fno-signed-zeros.
7651         (fast_math_flags_set_p): Likewise.
7653         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7654         the documentation of -ffast-math appropriately.  Wrap long lines.
7656 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7658         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7659         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7661 2007-01-19  Tomas Bily  <tbily@suse.cz>
7663         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7664         * tree-profile.c:
7665         (tree_init_ic_make_global_vars): New function
7666         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7667         (tree_gen_ic_profiler): New function
7668         (tree_gen_ic_func_profiler): New function
7669         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7670         (tree_profile_hooks): Added hook for indirec/virtual calls
7671         * value-prof.c (tree_find_values_to_profile): New case for
7672         indirect calls
7673         (tree_values_to_profile): Call for determining indirect/virtual
7674         counters
7675         (tree_indirect_call_to_profile): New function
7676         (tree_ic_transform): New function
7677         (tree_ic): New function
7678         (find_func_by_pid): New function
7679         (init_pid_map): New function
7680         (tree_value_profile_transformations): Added check for
7681         indirect/virtual call transformation
7682         * value-prof.h (enum hist_type): New counter type for
7683         indirect/virtual calls
7684         (profile_hooks): Added new hook for profiling indirect/virtual
7685         calls
7686         * profile.c (instrument_values): New case for indirect/virtual
7687         call added
7688         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7689         (GCOV_COUNTER_V_INDIR): New counter type
7690         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7691         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7692         call added
7693         * cgraph.c: Definition of cgraph_max_pid
7694         (cgraph_create_node): Default init of pid attribute
7695         * cgraph.h: Declaration of cgraph_max_pid
7696         (struct cgraph_node): Added pid attribute
7697         * libgcov.c (__gcov_indirect_call_profiler): New function
7698         (__gcov_one_value_profiler_body): New function
7699         (__gcov_one_value_profiler): Body was moved to
7700         __gcov_one_value_profiler_body and calls it
7702 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
7704         * doc/gty.texi (Options): Document the mark_hook option to GTY.
7705         * gengtype.c (write_types_data, write_func_for_structure,
7706         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
7707         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
7708         (walk_type, write_func_for_structure): Generate the mark_hook if
7709         needed.
7711 2007-01-19  Jan Hubicka  <jh@suse.cz>
7713         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
7714         'early' argument take inlining mode argument specifying whether to
7715         inline for size/speeed or all functions; add support for flattening;
7716         improve dumpting.
7717         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
7719 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7721         PR c++/17947
7722         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
7723         the name of the declared identifier.
7725 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7727         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
7728         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
7729         duplicate evaluation.
7731 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7733         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
7734         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
7735         to XFMode, use acosxf2 and truncate result to requested mode.
7736         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7737         (asin<mode>2): Similarly, with asin expanders.
7738         (*fscalexf4_i387): Rename from *fscalexf4.
7739         (expNcorexf3): New expander.
7740         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
7741         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
7742         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
7743         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
7744         patterns for SSE math.
7745         (exp10<mode>2): Similarly, with exp10 expanders.
7746         (exp2<mode>2): Similarly, with exp2 expanders.
7747         (expm1<mode>2): Similarly, with expm1 expanders.
7748         (ldexp<mode>3): Similarly, with ldexp expanders.
7749         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
7750         Use gen_truncxf<mode>2_i387_noop to truncate result.
7752 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7754         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
7755         for ColdFire targets.
7757 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
7758             Richard Sandiford  <richard@codesourcery.com>
7760         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
7761         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
7762         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
7763         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
7764         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7765         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
7767 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7769         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
7770         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
7771         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
7772         (*adddi_dilshr32_cf): New pattern.
7773         (adddi3, subdi3): Remove first alternatives.
7775 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7777         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
7778         implemented using move.l, do not use its cc result for floating-point
7779         comparisons.
7781 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7783         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
7784         from accepting 's' constraints if flag_pic.
7786 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7788         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
7789         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
7790         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
7791         condition from TARGET_68881 to TARGET_HARD_FLOAT.
7793 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7795         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
7796         ColdFire alternatives.
7797         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
7798         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
7799         architectures that support ff1 instruction.
7801 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7802             Julian Brown  <julian@codesourcery.com>
7804         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
7805         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
7806         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
7807         Add commentary.
7809 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
7811         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
7812         and return a bool.
7813         (output_move_const_into_data_reg, output_move_simode_const): Delete.
7814         * config/m68k/m68k.c (const_method, const_int_cost): Take a
7815         HOST_WIDE_INT instead of an rtx.
7816         (m68k_rtx_costs): Update call accordingly.
7817         (output_move_const_into_data_reg): Likewise.  Fix formatting.
7818         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
7819         Return a bool.
7820         (output_move_simode_const): Update calls after above changes.
7821         Rework to use automatic variables and predicates like MEM_P.
7822         * config/m68k/m68k.md (pushexthisi_const): Update call to
7823         valid_mov3q_const.
7825 2007-01-19  Dirk Mueller  <dmueller@suse.de>
7827         * tree-ssa-alias.c (perform_var_substitution): Fix typo
7828         in dump_flags test.
7830 2007-01-19  Richard Guenther  <rguenther@suse.de>
7832         * builtins.c (expand_builtin_cexpi): Fall back to expanding
7833         via cexp in case sincos is not available.
7835 2007-01-19  Richard Guenther  <rguenther@suse.de>
7837         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
7838         * defaults.h (TARGET_HAS_SINCOS): Default to off.
7839         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
7840         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
7841         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
7842         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
7843         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
7844         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
7846 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
7848         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
7849         New insn patterns.
7850         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
7851         (atan2xf3): Directly generate RTL pattern.
7852         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
7853         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7854         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7855         disable patterns for SSE math.
7856         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
7857         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
7858         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7859         disable patterns for SSE math.
7861 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
7863         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
7865 2007-01-18  Roger Sayle  <roger@eyesopen.com>
7867         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
7868         VIEW_CONVERT_EXPR to the same type as it's operand.
7870 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
7872         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
7873         configured for long double 128.
7875 2007-01-18  Mike Stump  <mrs@apple.com>
7877         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
7878         error.
7880 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
7882         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
7883         type correct.
7885 2007-01-18  Jan Hubicka  <jh@suse.cz>
7887         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
7888         greater than NUM_VOP_FREE_BUCKETS.
7890 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
7892         * tree-ssa-structalias.c: Update comments.
7893         (ptabitmap_obstack): Removed.
7894         (pta_obstack): New.
7895         (oldpta_obstack): Ditto.
7896         (stats): Add a few members.
7897         (struct variable_info): Remove node, complex, address_taken, and
7898         indirect_target members. Add oldsolution member.
7899         (new_var_info): Do not initialize removed members.
7900         (constraint_expr_type): Remove INCLUDES.
7901         (constraint_graph): Add size, implicit_preds, rep,
7902         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
7903         (FIRST_REF_NODE): New macro.
7904         (LAST_REF_NODE): Ditto.
7905         (FIRST_ADDR_NODE): Ditto.
7906         (find): New function.
7907         (unite): Ditto.
7908         (dump_constraint): Do not handle INCLUDES.
7909         (insert_into_complex): Do not insert duplicate constraints.
7910         (condense_varmap_nodes): Renamed and rewritten into ...
7911         (merge_node_constraints): This. Also fix bug in handling of
7912         offseted copy constraints.
7913         (clear_edges_for_node): No longer need to deal with preds at all,
7914         or removing associated preds/succs.
7915         (merge_graph_nodes): Deal with indirect_cycles.
7916         Don't deal with predecessors.
7917         (add_implicit_graph_edge): New function.
7918         (add_pred_graph_edge): Ditto.
7919         (add_graph_edge): Don't deal with predecessors.
7920         (build_constraint_graph): Removed.
7921         (build_pred_graph): New function.
7922         (build_succ_graph): Ditto.
7923         (struct scc_info): Removed in_component. Added roots, dfs, and
7924         node_mapping. Remove visited_index, unification_queue.
7925         (scc_visit): Deal with union-find we do now.
7926         Deal with cycles with REF nodes.
7927         (collapse_nodes): Renamed and rewritten to ...
7928         (unify_nodes): This.
7929         (process_unification_queue): Removed.
7930         (topo_visit): Cleanup
7931         (do_da_constraint): Use find.
7932         (do_sd_constraint): Ditto.
7933         (do_ds_constraint): Ditto.
7934         (do_complex_constraint): Ditto.
7935         (init_scc_info): Update for removed and added members.
7936         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
7937         (find_indirect_cycles): This.
7938         (equivalence_class): New variable.
7939         (label_visit): New function.
7940         (perform_variable_substitution): Rewritten.
7941         (free_var_substitution_info): New function.
7942         (find_equivalent_node): Ditto.
7943         (move_complex_constraints): Ditto.
7944         (eliminate_indirect_cycles): Ditto.
7945         (solve_graph): Only propagate changed bits.
7946         Use indirect cycle elimination.
7947         Use find.
7948         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
7949         (tree_id_eq): Renamed to ...
7950         (tree_vi_eq): This. Update for member change
7951         (insert_id_for_tree): Renamed and rewritten to ...
7952         (insert_vi_for_tree): This.
7953         (lookup_id_for_tree): Renamed and rewritten to ...
7954         (lookup_vi_for_tree): This.
7955         (get_id_for_tree): Renamed and rewritten to ...
7956         (get_vi_for_tree): Ditto.
7957         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
7958         (process_constraint): Don't handle INCLUDES.
7959         Remove special ADDRESSOF case.
7960         (find_func_aliases): Rewrite to use vi functions instead of id
7961         ones.
7962         (create_function_info_for): Ditto.
7963         (create_variable_info_for): Ditto.
7964         (intra_create_variable_infos): Ditto.
7965         (merge_smts_into): Ditto.
7966         (find_what_p_points_to): Ditto.
7967         (init_base_vars): Ditto.
7968         (init_alias_vars): Ditto.
7969         (remove_preds_and_fake_succs): New function.
7970         (dump_sa_points_to_info): Dump new stats.
7971         (dump_solution_for_var): Use find.
7972         (set_used_smts): Fix formatting.
7973         (compute_points_to_sets): Updated for new functions.
7974         (ipa_pta_execute): Ditto.
7976 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7977             Richard Sandiford  <richard@codesourcery.com>
7979         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
7980         parallels.
7981         * calls.c (expand_call): If the return value is a PARALLEL,
7982         extract its first member.
7983         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
7984         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7985         use FUNCTION_EXTRA_EPILOGUE.
7986         (m68k_function_value): Return a PARALLEL if the return value
7987         is of a pointer type.
7988         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
7989         (FUNCTION_EXTRA_EPILOGUE): Remove.
7990         * config/m68k/m68k.md (D0_REG): New constant.
7992 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
7994         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
7995         output a NOP for empty epilogues.
7997 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7999         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8000         before function.  Extend register save check to include all
8001         registers, not just integer ones.
8003 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8005         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8006         (m68k_use_return_insn): ...this.
8007         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8008         * config/m68k/m68k.c (use_return_insn): Rename to...
8009         (m68k_use_return_insn): ...this.
8010         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8011         of USE_RETURN_INSN.
8013 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8015         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8016         nearest even, fix denormal rounding overflow.
8018 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8020         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8021         f%$smove and f%$move.
8022         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8023         (extendsfdf2_cf): Use fdmove instead of f%&move.
8024         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8025         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8027 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8029         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8030         GPR<-GPR moves.
8032 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8034         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8035         (coldfire_single_format): Declare.
8036         (coldfire_double_format): Likewise.
8037         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8038         of qnan_msb_set to determine the lower bits of a canonical
8039         NaN significand.
8040         (encode_ieee_double): Likewise.
8041         (encode_ieee_quad): Likewise.
8042         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8043         (mips_single_format): Likewise.
8044         (ieee_double_format): Likewise.
8045         (mips_double_format): Likewise.
8046         (ieee_extended_motorola_format): Likewise.
8047         (ieee_extended_intel_96_format): Likewise.
8048         (ieee_extended_intel_128_format): Likewise.
8049         (ieee_extended_intel_96_round_53_format): Likewise.
8050         (ibm_extended_format): Likewise.
8051         (mips_extended_format): Likewise.
8052         (ieee_quad_format): Likewise.
8053         (mips_quad_format): Likewise.
8054         (vax_f_format): Likewise.
8055         (vax_d_format): Likewise.
8056         (vax_g_format): Likewise.
8057         (i370_single_format): Likewise.
8058         (i370_double_format): Likewise.
8059         (decimal_single_format): Likewise.
8060         (decimal_double_format): Likewise.
8061         (decimal_quad_format): Likewise.
8062         (c4x_single_format): Likewise.
8063         (c4x_extended_format): Likewise.
8064         (real_internal_format): Likewise.
8065         (coldfire_single_format): New real_format.
8066         (coldfire_double_format): Likewise.
8067         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8068         canonical_nan_lsbs_set.
8069         (pdp11_d_format): Likewise.
8070         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8071         if TARGET_COLDFIRE_CPU.
8073 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8075         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8076         (output_call, m68k_legitimize_call_address): Declare.
8077         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8078         parenthesees.  Add support for a 'W' constraint.
8079         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8080         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8081         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8082         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8083         variables.
8084         (override_options): Initialize them.  Do not set flag_no_function_cse
8085         for TARGET_ID_SHARED_LIBRARY.
8086         (m68k_output_pic_call): Delete.
8087         (m68k_legitimize_call_address): New function.
8088         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8089         (output_call): New function.
8090         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8091         target address from the GOT if symbolic jumps are not allowed.
8092         * config/m68k/m68k.md (call, general_operand): Do not set
8093         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8094         Merge separate flag_pic and !flag_pic define_insns into...
8095         (*call, *call_value): ...these new patterns.  Match the address
8096         rather than the containing MEM and require it to be a call_operand.
8097         Use output_call to generate the asm template.
8098         * config/m68k/predicates.md (const_call_operand): New predicate.
8099         (call_operand): Likewise.
8101 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8103         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8104         (STACK_GROWS_DOWNWARD): Define to 1.
8105         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8106         comments, emphasizing that these values are only defaults.
8107         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8108         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8110 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8112         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8114 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8115             Richard Sandiford  <richard@codesourcery.com>
8117         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8118         (FP_REGNO_P): New macros.
8119         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8120         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8121         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8122         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8124 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8126         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8127         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8128         to $tmake_file.
8129         * config/m68k/t-floatlib: New file, extracting common code from...
8130         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8131         * config/m68k/t-uclinux: Here.
8132         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8133         routines on ColdFire targets.
8135 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8137         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8138         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8139         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8140         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8141         explicitly set MOTOROLA to 1.
8142         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8144 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8145             Nathan Sidwell  <nathan@codesourcery.com>
8147         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8148         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8149         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8150         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8151         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8152         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8153         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8154         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8155         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8156         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8157         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8158         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8159         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8160         (DBX_REGISTER_NUMBER): Delete.
8161         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8162         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8163         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8165 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8167         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8168         * config/flat.h: New file.
8169         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8170         OBJECT_FORMAT_FLAT.
8171         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8172         indirect references for -msep-data or -mid-shared-library.
8173         Do not use PC-relative code addresses either.
8174         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8175         to -mpcrel.
8176         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8177         for shared libraries and crt1.o for executables.  Use crti.o and
8178         crtbegin.o.
8179         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8180         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8181         Do not add -elf2flt or -shared-lib-id options here.
8182         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8183         Pass -shared-lib-id if -mid-shared-library, taking the library
8184         identifier from -mshared-library-id if given, otherwise
8185         defaulting to 0.
8186         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8187         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8188         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8189         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8190         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8191         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8192         and crtend.o.
8193         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8194         jump sequence for ISA A and ISA A+.
8195         (PICJUMP): Likewise.
8197 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8199         * config.gcc (m68k-*-uclinux*): Base the port on the common
8200         and m68k GNU/Linux files rather than on the generic ELF ones.
8201         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8202         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8204 2007-01-18  Julian Brown  <julian@codesourcery.com>
8205             Richard Sandiford  <richard@codesourcery.com>
8207         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8208         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8209         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8210         before redefining.
8211         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8212         80 unconditionally.
8213         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8215 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8217         * doc/install.texi: Document m68k-uclinuxoldabi.
8218         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8219         * config/m68k/uclinux-oldabi.h: New file, copied from
8220         config/m68k/uclinux.h.
8222 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8224         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8225         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8226         (m32r_compute_frame_size): Use unsigned for regno.
8227         (m32r_reload_lr): Use gen_frame_mem.
8228         (pop): New.
8229         (m32r_output_function_epilogue): Don't output the function epilogue
8230         textually here.
8231         (m32r_expand_epilogue): New.
8232         (direct_return): Return false if the function has the interrupt
8233         attribute.
8234         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8235         * config/m32r/m32r.md (epilogue): New expander.
8236         (return_lr, return_rte): New insns.
8237         (return): Make it expander.
8238         (return_normal): New expander.
8240 2007-01-18  Josh Conner  <jconner@apple.com>
8242         PR target/30485
8243         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8244         support for UNLE, UNLT, UNGE, and UNGT.
8246 2007-01-18  Jan Hubicka  <jh@suse.cz>
8248         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8249         * tree-tailcall (add_virtual_phis): Likewise.
8250         (optimize_tail_call): Return TODOs.
8251         (execute_tail_calls): Return TODOs.
8252         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8253         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8254         changed.
8255         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8256         Cleanup cfg using TODO.
8257         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8258         * passes.c (execute_function_todo): When cleanup did something, remove
8259         unused locals.
8260         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8261         (make_edges): Don't cleanup_cfg.
8263 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8265         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8266         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8267         operate on the top of stack.
8268         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8269         register handling of instructions that output to the second
8270         stack slot.
8271         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8272         (move_for_stack_reg): Special-case check for dead destination
8273         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8275         * config/i386/i386.md (UNSPEC_TAN): New constant.
8276         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8277         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8278         to correctly model move of constant 1.0 to top stack slot.
8279         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8280         (unnamed peephole2 pattern): Remove corresponding peephole2
8281         pattern that optimizes tan insn and loading of constant 1.0.
8282         (tanxf2): Use fptanxf4_i387.
8283         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8284         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8285         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8286         disable patterns for SSE math.
8287         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8288         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8290 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8291             Richard Guenther <rguenther@suse.de>
8293         PR diagnostic/8268
8294         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8295         * common.opt (Warray-bounds): Add new warning option.
8296         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8297         if -Wall is given.
8298         * Makefile.in: make tree-vrp.o depend on toplev.h
8299         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8300         is enabled.
8301         (check_array_refs, check_array_bounds, check_array_ref): New.
8303 2007-01-18  Jan Hubicka  <jh@suse.cz>
8305         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8306         (execute_ssa_ccp): Return flags conditionally.
8307         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8308         changed.
8309         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8311 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8313         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8314         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8316         * Makefile.c (GTFILES): Add cfglayout.h.
8317         * gengtype.c (open_base_files): Likewise.
8318         * cfglayout.c (cfg_layout_function_footer,
8319         cfg_layout_function_header) Reindent to make gengtype happy.
8320         * cfglayout.h (cfg_layout_function_footer,
8321         cfg_layout_function_header): Add GTY(()) marker.
8323         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8325 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8327         * genautomata.c (write_automata): Include xstrerror output in the
8328         error message if writing the DFA description file fails.
8330 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8332         * config/mips/mips-protos.h (mips_output_external): Make it
8333         return void.
8334         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8335         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8336         (extern_list): Likewise.
8337         (extern_head): Likewise.
8338         (TARGET_ASM_FILE_END): Likewise.
8339         (mips_file_end): Likewise.
8340         (mips_output_external): Rewritten.
8342 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8344         * genpreds.c (write_insn_preds_c): Only write out the function
8345         body for regclass_for_constraint if we have register constraints.
8347 2007-01-17  Tom Tromey  <tromey@redhat.com>
8349         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8350         * doc/install.texi (Testing): Use sourceware.org.
8351         (Binaries): Likewise.
8352         (Specific): Likewise.
8353         * doc/contrib.texi (Contributors): Use sourceware.org.
8355 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8357         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8358         (AVR_ENHANCED): Rename to ...
8359         (AVR_HAVE_MUL): ... new.
8360         (avr_enhanced_p): Rename to ...
8361         (avr_have_mul_p): ... new.
8362         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8363         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8364         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8365         (avr_have_mul_p): ... new.
8366         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8367         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8368         'avr_enhanced_p' and 'enhanced'.
8369         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8370         AVR_HAVE_MUL instead of AVR_ENHANCED.
8371         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8372         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8373         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8374         instead of AVR_ENHANCED.
8375         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8376         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8377         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8379 2007-01-17  Ian Lance Taylor  <iant@google.com>
8381         * vec.h (VEC_reserve_exact): Define.
8382         (vec_gc_p_reserve_exact): Declare.
8383         (vec_gc_o_reserve_exact): Declare.
8384         (vec_heap_p_reserve_exact): Declare.
8385         (vec_heap_o_reserve_exact): Declare.
8386         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8387         versions.
8388         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8389         negative parameter.
8390         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8391         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8392         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8393         * vec.c (calculate_allocation): Add exact parameter.  Change all
8394         callers.
8395         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8396         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8397         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8398         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8399         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8400         (vec_heap_p_reserve_exact): New function.
8401         (vec_heap_o_reserve_exact): New function.
8403 2007-01-17  Jan Hubicka  <jh@suse.cz>
8405         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8407 2007-01-17  Eric Christopher  <echristo@apple.com>
8409         * config.gcc: Support core2 processor.
8411 2007-01-16  Jan Hubicka  <jh@suse.cz>
8413         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8414         the names, just unlink the chain so we don't crash on dangling pointers
8415         to dead SSA names.
8417 2007-01-16  Jan Hubicka  <jh@suse.cz>
8419         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8420         * tree-pass.h: Reorder to make IPA passes appear toegher.
8421         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8422         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8423         parameters, do not call early inliner.
8424         * ipa-inline.c: Update comments.  Include tree-flow.h
8425         (cgraph_decide_inlining): Do not compute inlining parameters.
8426         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8427         be called with function context set up.
8428         (pass_ipa_inline): Remove unreachable functions before pass.
8429         (cgraph_early_inlining): Simplify assuming to be called from the
8430         PM as local pass.
8431         (pass_early_inline): New pass.
8432         (cgraph_gate_ipa_early_inlining): New gate.
8433         (pass_ipa_early_inline): Turn into simple wrapper.
8434         (compute_inline_parameters): New function.
8435         (gate_inline_passes): New gate.
8436         (pass_inline_parameters): New pass.
8437         (apply_inline): Move here from tree-optimize.c
8438         (pass_apply_inline): New pass.
8439         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8440         transforming.
8441         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8442         doing them by hand.
8443         (tree_function_versioning): Do not allocate dummy struct function.
8444         * tree-inline.h (optimize_inline_calls): Update prototype.
8445         * tree-optimize.c (execute_fixup_cfg): Export.
8446         (pass_fixup_cfg): Remove
8447         (tree_rest_of_compilation): Do not apply inlines.
8448         * tree-flow.h (execute_fixup_cfg): Declare.
8449         * Makefile.in (gt-passes.c): New.
8450         * passes.c: Include gt-passes.h
8451         (init_optimization_passes): New passes.
8452         (nnodes, order): New static vars.
8453         (do_per_function_toporder): New function.
8454         (execute_one_pass): Dump current pass here.
8455         (execute_ipa_pass_list): Don't dump current pass here.
8457 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8459         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8460         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8462 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8464         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8465         (strong_alias): Define.
8466         (__gcc_qmul): Provide non-FMA for soft-float.
8467         (__gcc_qdiv): Same.
8468         (__gcc_qneg): New.
8469         (__gcc_qeq): New.
8470         (__gcc_qle): New.
8471         (__gcc_qge): New.
8472         (__gcc_qunord): New.
8473         (__gcc_stoq): New.
8474         (__gcc_dtoq): New.
8475         (__gcc_qtos): New.
8476         (__gcc_qtod): New.
8477         (__gcc_qtoi): New.
8478         (__gcc_qtou): New.
8479         (__gcc_itoq): New.
8480         (__gcc_utoq): New.
8481         (fmsub): New.
8482         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8483         soft-float functions.
8484         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8485         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8486         about long double soft float.
8488 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8489             Tehila Meyzels  <tehila@il.ibm.com>
8491         * tree-vectorizer.h (is_pattern_stmt_p): New.
8492         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8493         formatting (tabs instead of spaces). Cleanup and clarify setting
8494         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8495         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8496         (vectorizable_type_demotion): Check that types are integral.
8497         (vectorizable_type_promotion): Likewise.
8498         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8499         comments.
8501 2007-01-16  Jan Hubicka  <jh@suse.cz>
8503         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8504         cgraph edges too.
8506 2007-01-15  Eric Christopher  <echristo@apple.com>
8508         * ifcvt.c: Include vec.h, vecprim.h.
8509         (check_cond_move_block): New argument regs.
8510         Reorganize. Add registers used to regs.
8511         (cond_move_process_if_block): Use regs set above as
8512         loop bounds.
8514 2007-01-15  Eric Christopher  <echristo@apple.com>
8516         * config/darwin.h: Update copyright.
8517         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8518         (LINK_COMMAND_SPEC): Add -u.
8519         (LINK_SPEC): Fix umbrella for above.
8521 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8523         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8524         glibc CVS.
8526 2007-01-15  Tom Tromey  <tromey@redhat.com>
8528         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8529         * doc/install.texi (Testing): Don't mention jacks.
8530         (Configuration): Document --enable-java-maintainer-mode.  Move
8531         --with-java-home to libgcj-specific section.  Document
8532         --with-ecj-jar.
8533         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8535 2007-01-15  Jan Hubicka  <jh@suse.cz>
8537         * tree-ssa-dce.c (DCE_TODOs): New.
8538         (propagate_necessity): Return if something changed.
8539         (eliminate_unnecessary_stmts): Likewise.
8540         (perform_tree_ssa_dce): Return TODO flags when needed.
8541         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8543 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8545         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8546         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8547         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8548         patterns using X87MODEF12 mode macro.  Extend operand 1
8549         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8550         (log10<mode>2): Ditto.
8551         (log2<mode>2): Ditto.
8552         (log1p<mode>2): Ditto.
8553         (logb<mode>2): Ditto.
8554         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8555         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8556         (*fxtractxf3_i387): Rename from *fxtractxf3.
8557         (fxtract_extend<mode>xf3_i387): New insn pattern.
8558         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8559         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8560         and gen_fyl2xxf3_i387().
8562 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8564         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8565         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8566         get_loop_exit_edges.  Changed return type to bool.
8567         * cfgloop.h (fix_loop_placement): Declaration removed.
8569 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8571         * param.h (MIN_VECT_LOOP_BOUND): New.
8572         * params.def (MIN_VECT_LOOP_BOUND): New.
8573         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8574         argument - minimum threshold for number of iterations.
8575         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8576         argument to declaration.
8577         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8578         MIN_VECT_LOOP_BOUND.
8579         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8580         slpeel_tree_peel_loop_to_edge with additional argument.
8581         (vect_do_peeling_for_alignment): Likewise.
8582         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8584 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8586         PR target/30413
8587         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8588         operands of size 1.
8590 2007-01-14  Jan Hubicka  <jh@suse.cz>
8592         * tree-dfa.c (remove_referenced_var): New function.
8593         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8594         prune referenced vars list too.
8595         * tree-flow.h (remove_referenced_var): Declare.
8597 2007-01-14  Jan Hubicka  <jh@suse.cz>
8599         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8600         separately.
8601         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8602         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8603         * except.h (verify_eh_throw_table_statements): Kill prototype.
8604         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8605         into call exrepssions.
8606         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8607         eh trhow verifier.
8608         * tree-cfg.c: Include pointer-set.h.
8609         (verify_node_sharing): Work on pointer set.
8610         (verify_eh_throw_stmt_node): New.
8611         (verify_stmts): Use pointers sets, verify throw_stmt.
8613 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8615         * ipa-reference.c (analyze_function): Consider also addresses taken
8616         in phi nodes.
8618 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8620         * c-typeck.c (null_pointer_constant_p): Replace use of
8621         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8622         (build_c_cast): Likewise.
8624 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8626         * tree.h (force_fit_type_double): Remove unused final argument.
8627         * c-common.c (constant_expression_warning): Replace use of
8628         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8629         (convert_and_check): Likewise.
8630         (shorten_compare): Update call to force_fit_type_double.
8631         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8632         * convert.c (convert_to_pointer): Update call to
8633         force_fit_type_double.
8634         * fold-const.c (force_fit_type_double): Remove overflowed_const
8635         argument.
8636         (int_const_binop, fold_convert_const_int_from_int,
8637         fold_convert_const_int_from_real, fold_div_compare,
8638         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8639         fold_abs_const, fold_not_const): Remove the final argument from
8640         calls to force_fit_type_double.
8642 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8644         * configure.ac: Set insn to "nop" for spu-*-* also.
8645         * configure: Regenerate.
8647 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8649         * builtins.def : Add BUILT_IN_FREE.
8651 2007-01-12  Jan Hubicka  <jh@suse.cz>
8653         PR tree-optimization/30443
8654         * tree-inline.c (tree_function_versioning): Do not optimize when
8655         cloning for inlining.
8657 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8659         * doc/loop.texi: Document recording of loop exits.
8660         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8661         (update_single_exits_after_duplication,
8662         update_single_exit_for_duplicated_loop,
8663         update_single_exit_for_duplicated_loops): Removed.
8664         (duplicate_loop_to_header_edge): Do not call
8665         update_single_exits_after_duplication and
8666         update_single_exit_for_duplicated_loops.
8667         (loop_version): Do not update single_exit information.
8668         (fix_loop_structure): Use record_loop_exits instead of
8669         mark_single_exit_loops.
8670         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8671         the lists of loop exits.
8672         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8673         split_edge, merge_blocks): Update the lists of loop exits.
8674         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8675         loop_optimizer_init.
8676         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8677         of mark_single_exit_loops.
8678         (loop_optimizer_finalize): Call release_recorded_exits.
8679         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8680         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8681         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8682         update single exit information.
8683         * lambda-code.c (perfect_nestify): Ditto.
8684         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8685         (mark_single_exit_loops): Removed.
8686         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8687         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8688         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8689         functions.
8690         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8691         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8692         (verify_loop_structure): Verify consistency of the exit lists.
8693         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
8694         (set_single_exit): Removed.
8695         * cfgloop.h (struct loop_exit): New function.
8696         (struct loop): single_exit_ field replaced by exits field.
8697         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
8698         (struct loops): Added exits hash.
8699         (mark_single_exit_loops, set_single_exit): Declaration removed.
8700         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
8702 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8704         * doc/invoke.texi: Avoid use of @headitem.
8706 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8708         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
8710 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8712         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
8713         list of targets.
8715 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8716             Richard Sandiford  <richard@codesourcery.com>
8718         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
8719         * config/m68k/m68k.opt: Resort options.
8720         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
8722 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8723             Richard Sandiford  <richard@codesourcery.com>
8725         * doc/invoke.texi: Document the macros that are defined by
8726         m68k's -mtune and -mhard-float options.
8727         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
8728         (m68k_cpp_cpu_family): Likewise.
8729         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
8730         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
8731         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
8732         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
8733         (m68k_cpp_cpu_family): Likewise.
8735 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8737         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
8738         macros besides mc68000 as tuning macros.  Use a switch statement
8739         to set them and mcpu32.
8741 2007-01-12  Julian Brown  <julian@codesourcery.com>
8743         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
8744         (TARGET_68040_ONLY): Rename to...
8745         (TARGET_68040): ...this.
8746         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
8747         * config/m68k/m68k.md: Likewise.
8749 2007-01-12  Julian Brown  <julian@codesourcery.com>
8750             Nathan Sidwell  <nathan@codesourcery.com>
8751             Richard Sandiford  <richard@codesourcery.com>
8753         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
8754         the -mcpu= argument associated with the --with-cpu setting.
8755         Define M68K_DEFAULT_TUNE to the default -mtune= option,
8756         if different from the one implied by the -mcpu setting.
8757         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
8758         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
8759         * doc/invoke.texi: Mention ColdFire in the introduction to the
8760         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
8761         -mno-div and -mhard-float options.  Make -m68881 a synonym for
8762         -mhard-float.  Document the previously-undocumented -m5206e,
8763         -m528x, -m5307 and -m5407 options.  Tweak the existing option
8764         documentation for consistency.
8765         * doc/install.texi: Mention new --with-cpu arguments.
8766         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
8767         default CPU if neither -mcpu nor -march are specified.
8768         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
8769         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
8770         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
8771         using m68k_tune to decide between families that implement the
8772         same ISA.  Use m68k_tune to set __mcfv4e__.
8773         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
8774         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
8775         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
8776         (FL_ISA_C, FL_ISA_MMU): New macros.
8777         (MASK_COLDFIRE): Delete.
8778         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
8779         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
8780         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
8781         (TARGET_HARD_FLOAT): Do not define here.
8782         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
8783         (TUNE_68000): New macro.
8784         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
8785         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
8786         (TUNE_CFV2): Redefine in terms of m68k_tune.
8787         (uarch_type, target_device, fpu_type): New enums.
8788         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
8789         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
8790         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
8791         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
8792         (FL_FOR_isa_c): New macros.
8793         (m68k_isa): New enum.
8794         (m68k_target_selection): New structure.
8795         (all_devices, all_isas, all_microarchs): New tables.
8796         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
8797         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
8798         (MASK_ALL_CPU_BITS): Delete.
8799         (m68k_find_selection): New function.
8800         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
8801         Map the legacy target options to a combination of the new ones.
8802         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
8803         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
8804         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
8805         settings.
8806         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
8807         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
8808         properties.
8809         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
8810         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
8811         * config/m68k/m68k-devices.def: New file.
8813 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8814             Nathan Sidwell  <nathan@codesourcery.com>
8816         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
8817         (SUBTARGET_EXTRA_SPECS): New macros.
8818         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
8819         use %(asm_cpu_spec) instead.
8820         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
8821         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
8822         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
8823         (EXTRA_SPECS): Rename to...
8824         (SUBTARGET_EXTRA_SPECS): ...this.
8826 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
8827             Richard Sandiford  <richard@codesourcery.com>
8828             Julian Brown  <julian@codesourcery.com>
8830         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8831         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
8832         to the configuration's default CPU.
8833         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
8834         Remove default masks.
8835         (m680[012]0-*-*): Set the default with_cpu to the first part of
8836         the target name.
8837         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
8838         (m68k*-*-linux): Extend the --with-cpu handling to...
8839         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
8840         and m68010.  Don't set target_cpu_default2.
8841         * doc/install.texi: Document --with-cpu for m68k.
8842         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
8843         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
8844         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
8845         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
8846         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
8847         (ASM_SPEC): Remove use of %(asm_cpu_default).
8848         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
8849         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
8850         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
8851         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
8852         __HAVE_FPU__ if TARGET_HARD_FLOAT.
8853         (TARGET_DEFAULT): Delete.
8854         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
8855         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
8856         (CPP_CPU_SPEC): Delete.
8857         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
8858         the appropriate string.
8859         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
8860         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
8861         (ASM_SPEC): Don't use %(asm_default_spec).
8862         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8863         TARGET_DEFAULT and add MASK_68881.
8864         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
8866 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8868         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
8869         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
8870         MASK_68010 alongside MASK_68020.
8871         * doc/invoke.texi: Document -m68010.
8872         * config/m68k/m68k.opt (m68010): New.
8873         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
8874         if TUNE_68010.
8875         (TUNE_68010): New macro.
8876         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
8877         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
8878         (M68K_CPU_m68332): Add MASK_68010.
8879         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
8880         fallback definition.
8881         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
8882         defines.
8883         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
8884         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
8885         to all entries that use MASK_68020.
8886         (output_move_simode_const, output_move_himode, output_move_qimode)
8887         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
8888         instead of TARGET_68020 to select clr behavior.  Remove comment
8889         about there being no TARGET_68010.
8890         * config/m68k/m68k.md: Likewise throughout.
8892 2007-01-12  Julian Brown  <julian@codesourcery.com>
8894         * config/m68k/m68k.h (TARGET_ISAB): New macro.
8895         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
8896         * config/m68k/m68k.md: Likewise.
8898 2007-01-12  Julian Brown  <julian@codesourcery.com>
8900         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
8901         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
8903 2007-01-12  Julian Brown  <julian@codesourcery.com>
8905         * config/m68k/m68k.h (TUNE_68040_60): New macro.
8906         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
8907         * config/m68k/m68k.md: Likewise.
8909 2007-01-12  Julian Brown  <julian@codesourcery.com>
8910             Richard Sandiford  <richard@codesourcery.com>
8912         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
8913         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
8914         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
8915         TARGET_CPU32.
8916         (TARGET_CPU32): Rename to...
8917         (TUNE_CPU32): ...this.
8918         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
8919         (TUNE_CFV2): New macros.
8920         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
8921         remove conditions that are implied by TARGET_68020.
8922         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
8923         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
8924         (m68k_output_function_epilogue): Likewise.
8925         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
8926         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
8927         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
8928         non-68000 timings.  Refactor multiplication and division costs.
8929         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
8930         TUNE_CPU32 instead of TARGET_CPU32.
8931         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
8932         and TUNE_68060 instead of TARGET_68060.
8933         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
8934         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
8935         TARGET_CPU32.
8936         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
8937         && !TARGET_COLDFIRE" to choose between moveq and clr.
8938         Likewise in the unnamed movsf pattern.
8939         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
8940         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
8941         ashiftrt pattern.
8943 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
8945         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
8946         of tabbing before backslashes.
8948 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8950         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
8951         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
8952         (ASM_OUTPUT_INTERNAL_LABEL): Define.
8954 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8956         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
8957         find_interesting_uses_cond.
8958         (find_interesting_uses_cond): Use extract_cond_operands.
8959         (rewrite_use_compare): Use extract_cond_operands and
8960         force_gimple_operand_bsi.  Do not call update_stmt.
8961         (determine_use_iv_cost_condition): Use extract_cond_operands.
8962         Return cheaper of using original bound and changing the exit bound.
8964 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
8966         PR tree-optimization/29516
8967         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
8968         most_expensive_mult_to_index, addr_to_parts,
8969         create_mem_ref, maybe_fold_tmr): Make the type of
8970         fields of TARGET_MEM_REF sizetype.
8971         (move_fixed_address_to_symbol, move_pointer_to_base):
8972         New functions.
8973         * tree.def (TARGET_MEM_REF): Add comment on types of
8974         the operands.
8976 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
8978         * c-common.c (vector_types_convertible_p): Treat opaque types as
8979         always convertible if they have the same size, but not otherwise.
8981 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
8983         * ifcvt.c (struct noce_if_info): Add comments to the fields.
8984         Remove the b_unconditional field.
8985         (noce_try_sign_mask): Do not look at b_unconditional.
8986         (noce_process_if_block): Do not use merge_if_blocks.  Update
8987         the CFG here.  Do not set b_unconditional.
8988         (cond_move_process_if_block): Likewise.
8989         (find_cond_trap): Likewise.
8990         (check_cond_move_block): Require simple jump insns at the end
8991         of the basic block.
8993 2007-01-11  Jan Hubicka  <jh@suse.cz>
8995         PR tree-optimization/1046
8996         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
8997         when alias info is not ready.
8998         (pass_tail_recursion): Do not require aliasing.
8999         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9000         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9001         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9002         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9003         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9004         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9005         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9006         before inlining.
9007         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9008         When aliasing is not build, mark statement as volatile.
9010 2007-01-11  Tom Tromey  <tromey@redhat.com>
9012         PR preprocessor/15185, PR preprocessor/20989:
9013         * doc/cppopts.texi <-MT>: Update description of algorithm for
9014         computing default target.
9015         <-M, -MD>: Reword "basename" text.
9017 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9019         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9020         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9021         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9022         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9023         fold_builtin_bswap, real_constp, fold_builtin_pow,
9024         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9025         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9026         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9027         * convert.c (convert_to_pointer): Likewise.
9028         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9029         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9030         const_binop, fold_convert_const_int_from_int,
9031         fold_convert_const_int_from_real,
9032         fold_convert_const_real_from_real, sign_bit_p,
9033         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9034         fold_sign_changed_comparison, fold_unary, fold_comparison,
9035         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9036         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9037         * print-tree.c (print_node_brief, print_node): Likewise.
9038         * stor-layout.c (place_field, layout_type): Likewise.
9039         * tree-chrec.c (keep_cast): Likewise.
9040         * tree.c (build_vector, build_real, build_real_from_int_cst,
9041         build_complex): Likewise.
9043 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9045         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9046         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9048 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9050         * configure.ac (strict1_warn): Rename to strict_warn.
9051         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9052         cc_set_by_configure, quoted_cc_set_by_configure,
9053         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9054         all_boot_languages, all_stagestuff): Remove.
9055         (target_list): Remove bootstrap targets.
9056         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9057         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9058         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9059         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9060         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9061         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9062         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9063         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9064         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9065         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9066         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9067         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9068         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9069         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9070         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9071         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9072         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9073         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9074         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9075         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9076         (mostlyclean): Adjust.
9077         (clean, distclean): Don't mention bootstrap stuff.
9078         * configure: Regenerate.
9079         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9080         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9081         treelang/config-lang.in (stagestuff): Remove.
9082         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9083         stageprofile, stagefeedback, stagestuff): Remove mention.
9085 2007-01-11  Nick Clifton  <nickc@redhat.com>
9087         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9088         Accept CONSTs.
9089         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9090         (mcore_arith_K_S_operand): Run the test for the S constraint not
9091         the test for the M constraint.
9092         (mcore_addsub_operand): Do not accept integer values that are
9093         larger than 32 bits.
9094         * config/mcore/mcore.md: Remove unused constraints from split.
9095         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9096         (addsi3): Likewise.
9097         (allocate_stack): Likewise.
9098         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9099         operands to 32 bits.
9100         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9101         INTVAL.
9102         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9103         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9104         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9105         mcore_output_bclri, mcore_output_andn, output_inline_const,
9106         mcore_output_move, mcore_output_movedouble): Likewise.
9107         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9108         (output_inline_const): Likewise.
9109         (output_inline_const): Fix format strings used in sprintf
9110         statements.
9111         * config/mcore/mcore-protos.h: Update prototypes for changed
9112         functions in mcore.c.
9113         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9114         HOST_WIDE_INT and not int.
9115         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9116         CONST_OK_FOR_N): Likewise.
9117         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9118         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9119         an INTVAL.
9121 2007-01-10  Jan Hubicka  <jh@suse.cz>
9123         * tree-vrp.c (remove_range_assertions): Release defs.
9124         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9125         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9127 2007-01-10  Paul Brook  <paul@codesourcery.com>
9129         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9130         * config/arm/arm.md (mulsi3subsi): New insn.
9132 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9134         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9135         (tree_transform_and_unroll_loop): New.
9136         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9137         Declare.
9139 2007-01-10  Robert Kennedy <jimbob@google.com>
9141         * fold-const.c (fold_comparison): Fold comparisons like (x *
9142         1000 < 0) to (x < 0).
9144 2007-01-10  Ian Lance Taylor  <iant@google.com>
9146         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9147         operands have the same priority.
9149 2007-01-10  Tom Tromey  <tromey@redhat.com>
9151         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9152         (fold_binary): Likewise.
9153         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9154         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9155         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9156         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9157         * langhooks.h (struct lang_hooks): Removed field
9158         'can_use_bit_fields_p'.
9160 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9162         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9164 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9166         * function.c (get_last_funcdef_no): New function.
9167         * function.h (get_last_funcdef_no): Declare.
9168         * tree-inline.c (initialize_cfun): Add initialization.
9169         (tree_function_versioning): Cleanup.
9171 2007-01-10  Jan Hubicka  <jh@suse.cz>
9173         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9174         PHIs.
9176 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9177             Ben Elliston  <bje@au.ibm.com>
9179         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9180         for SAVE_NONLOCAL and Pmode for any other save level.
9181         * spu-protos.h (spu_restore_stack_block): Declare.
9182         * spu.md (save_stack_block): Remove.
9183         (restore_stack_block): Call spu_restore_stack_block.
9184         * spu.c (spu_restore_stack_block): New function.
9185         (spu_expand_epilogue): Remove old comment.
9187 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9189         PR tree-optimization/30322
9190         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9191         (cand_value_at): Return the value as aff_tree.
9192         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9193         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9194         aff_combination_mult): New functions.
9195         (aff_combination_add): Use aff_combination_add_cst.
9196         (aff_combination_convert): Allow conversions to a wider type.
9197         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9198         * tree-affine.h (aff_combination_mult): Declare.
9200 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9202         * doc/tm.texi: Update documentation to reflect reality of exec
9203         and start file search behaviours. Update copyright year.
9204         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9205         header file directories.
9207 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9209         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9210         (*cosxf2): Rename to cosxf2_i387.
9211         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9212         using X87MODEF12 mode macro. Rename patterns to
9213         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9214         for SSE math.
9215         (*cosdf2, *cossf2): Ditto.
9216         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9217         to match extended input operands.
9218         (sincos<mode>3): New expander.
9219         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9220         insn patterns and corresponding splitters.
9222 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9224         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9225         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9227 2007-01-09  Nicolas Pitre  <nico@cam.org>
9229         PR target/30173
9230         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9232 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9234         * target.h (struct gcc_target): New field library_rtti_comdat.
9235         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9236         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9237         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9238         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9240 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9242         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9244 2007-01-08  Richard Guenther  <rguenther@suse.de>
9246         * tree.h (force_fit_type_double): Export.
9247         (force_fit_type): Remove.
9248         * fold-const.c (force_fit_type_double): New function.
9249         (force_fit_type): Remove.
9250         (int_const_binop): Use it.
9251         (fold_convert_const_int_from_int): Likewise.
9252         (fold_convert_const_int_from_real): Likewise.
9253         (fold_div_compare): Likewise.
9254         (fold_sign_changed_comparison): Likewise.
9255         (fold_unary): Likewise.
9256         (fold_negate_const): Likewise.
9257         (fold_abs_const): Likewise.
9258         (fold_not_const): Likewise.
9259         * c-common.c (shorten_compare): Use force_fit_type_double.
9260         * convert.c (convert_to_pointer): Likewise.
9262 2007-01-08  Richard Guenther  <rguenther@suse.de>
9264         * tree.h (build_int_cst_wide_type): Export.
9265         * tree.c (build_int_cst_wide_type): New function.
9266         (build_int_cst_wide): Fix comment.
9267         * builtins.c (fold_builtin_object_size): Use build_int_cst
9268         to build -1 or 0 of the correct type.  Use fit_double_type
9269         to check for overflow.
9270         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9271         to build the mask.
9272         (decode_field_reference): Likewise.
9273         (all_ones_mask_p): Likewise.
9274         (native_interpret_int): Use build_int_cst_wide_type.
9275         (fold_binary): Use build_int_cst_type to build an all-ones
9276         value.
9277         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9279 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9281         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9283 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9285         * genautomata.c (STATS_OPTION): New option.
9286         (stats_flag): New flag.
9287         (gen_automata_option): Handle it.
9288         (initiate_automaton_gen): Ditto.
9289         (write_automata): Output statistics only if stats_flag is
9290         set. Likewise, output time statistics only if time_flag is set.
9291         * doc/md.texi (Processor pipeline description): Document new flag.
9293 2007-01-08  Richard Guenther  <rguenther@suse.de>
9295         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9296         * tree.c (build_int_cst_type): Likewise.
9297         (size_in_bytes): Don't call force_fit_type on the result.
9298         (int_fits_type_p): Use fit_double_type.
9299         * fold-const.c (fit_double_type): New function.
9300         (force_fit_type): Use it.
9301         * tree.h (fit_double_type): Export.
9303 2007-01-08  Jan Hubicka  <jh@suse.cz>
9305         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9306         * ipa.c (function_and_variable_visibility): Fix return type.
9308 2007-01-08  Richard Guenther  <rguenther@suse.de>
9310         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9311         of offset to build the index.
9312         * tree-pretty-print.c (dump_generic_node): Don't build negated
9313         const just for printing.
9314         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9315         * builtins.c (fold_builtin_int_roundingfn): Check if result
9316         fits the type by using force_fit_type and comparing the result.
9317         * predict.c (predict_loops): Use compare_tree_int for comparison.
9318         * tree.c (build_int_cst): Fall back to integer_type_node for
9319         NULL_TREE type.
9320         (build_int_cst_wide): Assert type is non-null.
9322 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9324         * tree-vrp.c (extract_range_from_cond_expr): New.
9325         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9326         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9327         as expressions.
9328         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9329         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9330         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9331         used as expressions.
9332         * tree-object-size.c (cond_expr_object_size): New.
9333         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9335 2007-01-08  Jan Hubicka  <jh@suse.cz>
9337         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9338         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9339         statement.
9341 2007-01-08  Richard Guenther  <rguenther@suse.de>
9343         PR tree-optimization/23603
9344         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9345         (extract_range_from_binary): Fall back to truthvalue instead of
9346         varying for TRUTH_*_EXPR.
9347         (extract_range_from_comparison): Fall back to truthvalue instead of
9348         varying.
9349         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9350         if all visited PHI values were constant.
9352 2007-01-08  Jan Hubicka  <jh@suse.cz>
9354         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9355         (cgraph_analyze_function): break out from ...
9356         (cgraph_finalize_compilation_unit): ... here.
9357         (cgraph_expand_function): Remove forgoten commented out line.
9358         (cgraph_optimize): Analyze functions.
9360 2007-01-08  Jan Hubicka  <jh@suse.cz>
9362         * tree-pas.h (TODO_remove_function): New flag.
9363         (TODO_update*): Renumber.
9364         (pass_ipa_increase_alignment,
9365         pass_ipa_function_and_variable_visibility): New passes.
9366         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9367         (cgraph_function_and_variable_visibility): Move to ipa.c
9368         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9369         cgraph_increase_alignment.
9370         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9371         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9372         calling tree-inline.
9373         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9374         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9375         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9376         (gate_increase_alignment): New function.
9377         (pass_ipa_increase_alignment): New pass.
9378         * ipa.c: Inline tree-pass.h and timevar.h
9379         (function_and_variable_visibility): Move here from cgraphunit.c
9380         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9381         * passes.c (init_optimization_passes): Add the two new passes.
9382         (execute_todo): Handle cgraph_remove_functions.
9384 2007-01-08  Nick Clifton  <nickc@redhat.com>
9386         * config/frv/predicates.md (reg_or_0_operand): Accept
9387         CONST_DOUBLEs.
9389 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9391         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9392         * config.gcc: Add bfin*-rtems*.
9394 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9396         * c.opt: Add -flax-vector-conversions.
9397         * c-typeck.c (convert_for_assignment): Pass flag to
9398         vector_types_convertible_p to allow emission of note.
9399         (digest_init): Likewise.
9400         * c-opts.c: Handle -flax-vector-conversions.
9401         * c-common.c (flag_lax_vector_conversions): New.
9402         (vector_types_convertible_p): Unless -flax-vector conversions
9403         has been passed, disallow conversions between vectors with
9404         differing numbers of subparts and/or element types.  If such
9405         a conversion is disallowed, possibly emit a note on the first
9406         occasion only to inform the user of -flax-vector-conversions.
9407         The new last argument specifies this.
9408         * c-common.h (flag_lax_vector_conversions): New.
9409         (vector_types_convertible_p): Add extra argument.
9410         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9411         char_type_node for V*QI type vectors.
9412         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9413         Update to satisfy new typechecking rules.
9414         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9415         C and C++ variants.
9416         * doc/invoke.texi (C Dialect Options): Document
9417         -flax-vector-conversions.
9419 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9421         PR tree-optimization/29877
9422         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9423         a register variable on the RHS to not be replaceable.
9425 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9426         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9427         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9428         const_simm15, const_pow2, const_npow2): Added.
9429         * config/score/misc.md (insv, extv, extzv, movmemsi,
9430         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9431         * config/score/score.c (score_address_cost, score_select_cc_mode):
9432         Added.
9433         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9434         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9435         Update score_print_operand.
9436         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9437         Adjust register allocate order and update some macro define.
9438         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9439         mdx_block_move_straight, mdx_block_move_loop_head,
9440         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9441         mdx_block_move): Added.
9442         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9443         mdp_limm): Updated and fix some bug and typo.
9444         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9445         (movsf, movdf, doloop_end): Added.
9447 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9449         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9450         config/arm/thumb2.md: Fix comment typos.
9451         * doc/extend.texi: Fix a typo.
9453 2007-01-07  Eric Christopher  <echristo@apple.com>
9455         * configure.ac: Check for __stack_chk_fail for darwin.
9456         * configure: Regenerate.
9458 2007-01-07  Richard Guenther  <rguenther@suse.de>
9460         * tree-vrp.c (extract_range_from_assert): CSE calls to
9461         compare_values where possible.
9462         (extract_range_from_unary_expr): Likewise.
9464 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9466         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9467         * config/avr/avr.c (call_insn_operand): Delete function.
9468         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9469         instead of register number. Use predicates.
9470         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9471         call_insn_operand): Add.
9473 2007-01-06  Jan Hubicka  <jh@suse.cz>
9475         * tree-pass.h (pass_build_cgraph_edges): Declare.
9476         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9477         (visited_nodes): Remove.
9478         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9479         build_cgrpah_edges; make visited_nodes local.
9480         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9481         (record_references_in_initializer): Move to cgraphbuild.c
9482         (initialize_inline_failed, rebuild_cgraph_edges,
9483         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9484         (verify_cgraph_node): Make visited_nodes local.
9485         (cgraph_analyze_function): Do not call cgraph_create_edges and
9486         initialize_inline_failed.
9487         (cgraph_expand_function): Do not call cgraph_lower_function;
9488         assert that function is already lowered.
9489         * Makefile.in (cgraphbuild.o): New.
9490         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9491         at the end of lowering passes.
9493 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9495         * ifcvt.c (cond_move_convert_if_block): New function, code
9496         factored out from...
9497         (cond_move_process_if_block): ...here.  Call the new function
9498         on the THEN and ELSE blocks.
9499         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9500         already takes care of this.
9502 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9504         PR c/19978
9505         * tree.h (TREE_OVERFLOW_P): New.
9506         * c-typeck.c (parser_build_unary_op): Warn only if result
9507         overflowed and operands did not.
9508         (parser_build_binary_op): Likewise.
9509         (convert_for_assignment): Remove redundant overflow_warning.
9510         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9512 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9514         * c-typeck.c (store_init_value): Split over two lines to follow
9515         the GNU coding style.
9517 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9519         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9520         __GXX_EXPERIMENTAL_CXX0X__.
9521         * doc/cpp.texi: Same.
9523 2007-01-05  Richard Guenther  <rguenther@suse.de>
9525         PR middle-end/27826
9526         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9527         with mismatched types.  Instead explicitly build a
9528         conversion NOP_EXPR.
9530 2007-01-05  Ian Lance Taylor  <iant@google.com>
9532         * c-common.c (decl_with_nonnull_addr_p): New function.
9533         (c_common_truthvalue_conversion): Call it.
9534         * c-typeck.c (build_binary_op): Likewise.
9535         * c-common.h (decl_with_nonnull_addr_p): Declare.
9537 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9539         PR c/30360
9540         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9541         denom against 0.0.
9543 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9545         * doc/install.texi (Final install): Document the fact that
9546         the GNAT runtime should not be stripped.
9548 2007-01-04  Jan Hubicka  <jh@suse.cz>
9550         * tree-inline.c (fold_marked_statements): Update operand caches
9551         and EH after folding
9553 2007-01-04  Ian Lance Taylor  <iant@google.com>
9555         * c-common.c (check_function_nonnull): Whitespace fix.
9557 2007-01-04  Jan Hubicka  <jh@suse.cz>
9559         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9560         comitted older version of patch.
9561         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9562         function, celanup cfg and collect garbage.
9564 2007-01-04  Mike Stump  <mrs@apple.com>
9566         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9567         (clean): Likewise.
9569 2007-01-04  Eric Christopher  <echristo@apple.com>
9571         * libgcc2.c (__bswapsi2): Use SItype.
9572         (__bswapdi2): Use DItype.
9573         * libgcc2.h: Update for above.
9575 2007-01-04  Paul Brook  <paul@codesourcery.com>
9577         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9578         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9579         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9580         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9581         umulsi3_highpart): Make conditional on !arm_arch6.
9582         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9583         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9584         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9585         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9586         umulsi3_highpart_v6): New insns.
9588 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9590         * fold-const.c (fold_convert): When casting an expression to void,
9591         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9592         have a type.  Instead of attempting to build a NOP_EXPR, return
9593         these "special" trees directly.
9595 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9597         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9598         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9599         rs6000_cost->fp not 0 as adjustment for outer NEG.
9601 2007-01-04  Jan Hubicka  <jh@suse.cz>
9603         * cgraph.c (cgraph_release_function_body): New function.
9604         (cgraph_remove_node): Use it.
9605         * cgraph.h (cgraph_release_function_body): Declare.
9606         * cgraphunit.c (cgraph_expand_function): Use it.
9607         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9608         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9609         is initialized and while compilation of other function is running.
9610         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9611         statement CFG annotations from here to ...
9612         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9614 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9616         * cfgloop.h (enum li_flags): Make the constants powers of two.
9618 2007-01-04  Jan Hubicka  <jh@suse.cz>
9620         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9621         set.
9622         (fold_marked_statements): New function.
9623         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9624         * tree-inline.h (copy_body_data): Add statements_to_fold.
9626 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9628         * config.gcc: Mention libgcc/config.host.
9629         * Makefile.in: Update comments mentioning libgcc.
9630         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9631         (all.cross, start.encap, rest.encap, rest.cross): Update
9632         dependencies for libgcc move.
9633         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9634         (clean-target, clean-target-libgcc): Delete.
9635         (srcdirify, GCC_EXTRA_PARTS): New macros.
9636         (libgcc-support, libgcc.mvars): New rules.
9637         (distclean): Remove mention of mklibgcc.
9638         (install): Don't reference INSTALL_LIBGCC.
9639         (install-common): Don't reference EXTRA_PARTS.
9640         (install-libgcc, install-multilib): Delete rules.
9641         * mklibgcc.in: Delete file.
9642         * doc/configfiles.texi: Don't mention mklibgcc.
9644         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9645         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9646         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9647         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9648         (mklibgcc, ldblspecs): Likewise.
9650         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9651         (posixpre.def): Use $(T).
9652         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9653         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9654         (SHLIB_LINK): Make dummy.
9655         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9657         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9659         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9660         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9661         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9662         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9664         * configure.ac (all_outputs): Remove mklibgcc.
9665         * configure: Regenerated.
9667 2007-01-03  Josh Conner  <jconner@apple.com>
9669         PR middle-end/29683
9670         * calls.c (compute_argument_addresses): Set stack and stack_slot
9671         for partial args, too.
9672         (store_one_arg): Use locate.size.constant for the size when
9673         generating a save_area.
9675 2007-01-03  Robert Kennedy <jimbob@google.com>
9677         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9678         whose definitions are deleted due to basic block merging.
9680 2007-01-03  Paul Brook  <paul@codesourcery.com>
9682         PR target/16634
9683         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9684         functions.
9685         (use_return_insn): Return 0 for Thumb interrupt functions.
9686         (print_multi_reg): Add rfe argument for IRQ returns.
9687         (arm_output_epilogue): Pop interrupt return address directly into PC.
9688         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9690 2007-01-03  Paul Brook  <paul@codesourcery.com>
9692         Merge from sourcerygxx-4_1.
9693         * config/arm/thumb2.md: New file.
9694         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
9695         Thumb-2.
9696         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
9697         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9698         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
9699         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
9700         tables.
9701         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
9702         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
9703         comptibility.
9704         * config/arm/ieee754-sf.S: Ditto.
9705         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
9706         (thumb1_base_register_rtx_p): ... to this.
9707         (thumb_index_register_rtx_p): Rename...
9708         (thumb1_index_register_rtx_p): ... to this.
9709         (thumb_output_function_prologue): Rename...
9710         (thumb1_output_function_prologue): ... to this.
9711         (thumb_legitimate_address_p): Rename...
9712         (thumb1_legitimate_address_p): ... to this.
9713         (thumb_rtx_costs): Rename...
9714         (thumb1_rtx_costs): ... to this.
9715         (thumb_compute_save_reg_mask): Rename...
9716         (thumb1_compute_save_reg_mask): ... to this.
9717         (thumb_final_prescan_insn): Rename...
9718         (thumb1_final_prescan_insn): ... to this.
9719         (thumb_expand_epilogue): Rename...
9720         (thumb1_expand_epilogue): ... to this.
9721         (arm_unwind_emit_stm): Rename...
9722         (arm_unwind_emit_sequence): ... to this.
9723         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
9724         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
9725         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
9726         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
9727         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
9728         thumb2_output_casesi): New functions.
9729         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
9730         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
9731         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
9732         THUMB2_WORK_REGS): Define.
9733         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
9734         arm_condexec_mask, arm_condexec_masklen)): New variables.
9735         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
9736         (arm_override_options): Check new CPU capabilities.
9737         Set new architecture flag variables.
9738         (arm_isr_value): Handle v7m interrupt functions.
9739         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
9740         Thumb-2.
9741         (const_ok_for_arm): Handle Thumb-2 constants.
9742         (arm_gen_constant): Ditto.  Use movw when available.
9743         (arm_function_ok_for_sibcall): Return false for v7m interrupt
9744         functions.
9745         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
9746         (thumb_find_work_register, arm_load_pic_register,
9747         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
9748         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
9749         print_multi_reg, output_mov_long_double_fpa_from_arm,
9750         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
9751         output_mov_double_fpa_from_arm, output_move_double,
9752         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
9753         output_return_instruction, arm_output_function_prologue,
9754         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
9755         arm_output_mi_thunk, thumb_set_return_address): Ditto.
9756         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
9757         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
9758         (arithmetic_instr, shift_op): Use arm_shift_nmem.
9759         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
9760         '!' and 'L'.
9761         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
9762         (thumb_expand_prologue): Use thumb_set_frame_pointer.
9763         (arm_file_start): Output directive for unified syntax.
9764         (arm_unwind_emit_set): Handle stack alignment instruction.
9765         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
9766         Add v6t2, v7, v7a, v7r and v7m.
9767         (RETLDM): Add Thumb-2 code.
9768         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
9769         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
9770         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
9771         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
9772         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
9773         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
9774         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
9775         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
9776         ADJUST_INSN_LENGTH): Define.
9777         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
9778         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
9779         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
9780         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
9781         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
9782         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
9783         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
9784         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
9785         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
9786         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
9787         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
9788         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
9789         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
9790         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
9791         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
9792         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
9793         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
9794         cortex-m3.
9795         * config/arm/arm-tune.md: Regenerate.
9796         * config/arm/arm-protos.h: Update prototypes.
9797         * config/arm/vfp.md: Enable patterns for Thumb-2.
9798         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
9799         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
9800         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
9801         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
9802         * config/arm/libunwind.S: Add Thumb-2 code.
9803         * config/arm/constraints.md: Update include Thumb-2.
9804         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
9805         * config/arm/ieee754-df.S: Ditto.
9806         * config/arm/bpabi.S: Ditto.
9807         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
9808         * config/arm/predicates.md (low_register_operand,
9809         low_reg_or_int_operand, thumb_16bit_operator): New.
9810         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
9811         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
9812         * config/arm/t-arm-elf: Add armv7 multilib.
9813         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
9814         Include thumb2.md.
9815         (UNSPEC_STACK_ALIGN, ce_count): New.
9816         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
9817         arm_zero_extendsidi2, arm_zero_extendqidi2): New
9818         insns/expanders.
9819         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
9820         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
9821         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
9822         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
9823         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
9824         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
9825         insns.
9826         * doc/extend.texi: Document ARMv7-M interrupt functions.
9827         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
9829 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
9831         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
9832         (struct _Unwind_Context): Rename args_size to flags, remove
9833         signal_frame field, add a new args_size field and version field.
9834         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
9835         _Unwind_IsExtendedContext): New inline functions.
9836         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9837         Assume by_value array is only present if _Unwind_IsExtendedContext.
9838         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
9839         _Unwind_IsSignalFrame.
9840         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
9841         (uw_update_context_1): Use _Unwind_SetSignalFrame.
9842         (uw_init_context_1): Initialize context->flags to
9843         EXTENDED_CONTEXT_BIT.
9844         * config/rs6000/linux-unwind.h (frob_update_context): Use
9845         _Unwind_SetSignalFrame.
9847 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9849         PR middle-end/30353
9850         * gimplify.c (gimplify_modify_expr_complex_part): Move below
9851         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
9852         the value.
9854 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
9856         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
9857         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
9858         RET, AT_SP): Remove.
9859         * config/i386/i386.md (*sse_prologue_save_insn): Use return
9860         instead of RET.
9862         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9863         * cfgbuild.c (find_basic_blocks): Likewise.
9864         * cfgrtl.c (rtl_create_basic_block): Likewise.
9865         * function.c (temp_slots_at_level): Likewise.
9866         * reg-stack.c (stack_regs_mentioned): Likewise.
9867         * regclass.c (allocate_reg_info): Likewise.
9868         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9869         set_bb_for_stmt, move_block_to_fn): Likewise.
9870         * tree-complex.c (tree_lower_complex): Likewise.
9871         * vec.h (VEC_safe_grow_cleared): New.
9873         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
9875 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
9877         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
9878         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
9879         to loop_version.
9880         * cfgloopmanip.c (scale_loop_frequencies): Export.
9881         (loopify): Scale the frequencies by prescribed coefficients.
9882         (set_zero_probability): New function.
9883         (duplicate_loop_to_header_edge): Improve updating of frequencies.
9884         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
9885         and frequencies according to arguments.
9886         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
9887         correctly.
9888         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
9889         * modulo-sched.c (sms_schedule): Set probabilities for entering
9890         versioned loop correctly.
9891         * tree-vect-transform.c (vect_transform_loop): Ditto.
9892         * cfgloop.h (loopify, loop_version): Declaration changed.
9893         (scale_loop_frequencies): Declared.
9895 2007-01-02  Jan Hubicka  <jh@suse.cz>
9897         * cgraph.c: Include tree-flow.h
9898         (cgraph_add_new-function): Handle IPA_SSA mode; execute
9899         early_local_passes.
9900         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
9901         * tree-pass.h (pass_all_early_optimizations): Declare.
9902         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
9903         early_local_passes.
9904         (cgraph_analyze_function): Do early_local_passes.
9905         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9906         Do not add referenced vars.
9907         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
9908         SSA form.
9909         (gate_all_early_local_passes): New gate.
9910         (pass_early_local_passes): Use new gate.
9911         (execute_early_local_optimizations): New functions.
9912         (gate_all_early_optimizations): New gate.
9913         (pass_all_early_optimizations): New pass.
9914         (execute_free_datastructures): Free SSA only when initialized.
9915         (gate_init_datastructures): Init only when optimizing.
9916         (tree_lowering_passes): Do early local passes when called late.
9917         * tree-profile.c (do_tree_profiling): Don't profile functions added
9918         late.
9919         (do_early_tree_profiling, pass_early_tree_profile): Kill.
9920         * tree-cfg.c (update_modified_stmts): Do not update when operands are
9921         not active.
9922         * passes.c (init_optimizations_passes): Reorder so we go into SSA
9923         during early_local_passes.
9924         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
9927 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9929         * Makefile.in: Update copyright year.
9931 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
9933         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
9934         in $(lang_checks) and check-consistency targets.
9936 2007-01-02  Jan Hubicka  <jh@suse.cz>
9938         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
9939         Do not add referenced vars.
9940         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
9941         are not active.
9942         * passes.c (init_optimization_passes): Put mudflap_2 after
9943         free_datastructures.
9945 2007-01-02  Jan Hubicka  <jh@suse.cz>
9947         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
9948         Set NOTHROW flag on call statements proved to be nothrow.
9949         Update statement of local calls so new pure/const functions are
9950         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
9951         goto receivers.
9952         (tree_rest_of_compilation): Register hooks and initialize bitmap
9953         early. Do not set after_inlining flag.
9955 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
9957         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
9958         HOST_BITS_PER_LONGLONG
9960 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9962         PR c/19977
9963         * c-typeck.c (store_init_value): Don't emit pedantic overflow
9964         warning for non-static initializers.
9966 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
9968         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
9969         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
9970         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
9971         Always use set_unique_reg_note to add REG_EQUAL notes.
9973 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9975         Revert:
9976         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
9978         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
9979         * cfgbuild.c (find_basic_blocks): Likewise.
9980         * cfgrtl.c (rtl_create_basic_block): Likewise.
9981         * function.c (temp_slots_at_level): Likewise.
9982         * reg-stack.c (stack_regs_mentioned): Likewise.
9983         * regclass.c (allocate_reg_info): Likewise.
9984         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
9985         set_bb_for_stmt, move_block_to_fn): Likewise.
9986         * tree-complex.c (tree_lower_complex): Likewise.
9987         * vec.h (VEC_safe_grow_cleared): New.
9989 2007-01-02  Ian Lance Taylor  <iant@google.com>
9991         * c-common.c (c_common_truthvalue_conversion): When warning about
9992         using an assignment as a truth value, set TREE_NO_WARNING.
9994 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9996         PR middle-end/7651
9997         * c.opt (Wold-style-declaration): New.
9998         * doc/invoke.texi (C-only Warning Options): New.
9999         (Wold-style-declaration): Document it.
10000         (Wextra): Enabled by -Wextra.
10001         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10002         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10003         -Wold-style-declaration.
10005 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10007         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10008         * cfgbuild.c (find_basic_blocks): Likewise.
10009         * cfgrtl.c (rtl_create_basic_block): Likewise.
10010         * function.c (temp_slots_at_level): Likewise.
10011         * reg-stack.c (stack_regs_mentioned): Likewise.
10012         * regclass.c (allocate_reg_info): Likewise.
10013         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10014         set_bb_for_stmt, move_block_to_fn): Likewise.
10015         * tree-complex.c (tree_lower_complex): Likewise.
10016         * vec.h (VEC_safe_grow_cleared): New.
10018 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10020         * c-common.c (c_common_nodes_and_builtins): Since variants of
10021         void_type_node get built before it is given a name, we need to
10022         give those variants the name, too.
10023         (complete_array_type): We need to work with the canonical main
10024         type of the array, from which we will build the qualified version.
10025         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10026         * print-tree.c (print_node): Display canonical type information
10027         for each type.
10028         * stor-layout.c (layout_type): When we don't know the
10029         alignment of a type for which we're building an array, we end up
10030         guessing wrong, so make the type require structural equality.
10031         * tree.c (make_node_stat): When we build a new type, it is its
10032         own canonical type.
10033         (build_type_attribute_qual_variant): When building an attribute
10034         variant, its canonical type is the non-attribute variant. However,
10035         if the attributes are target-dependent and they differ, we need to
10036         use structural equality checks for this type.
10037         (build_qualified_type): A qualified type is not equivalent to its
10038         unqualified variant; set the canonical type appropriately.
10039         (build_distinct_type_copy): When building a distinct type from
10040         another type, the new type is its own canonical type.
10041         (build_variant_type_copy): When building a new type variant, we
10042         assume that it is equivalent to the original type.
10043         (build_pointer_type_for_mode): When building a pointer type, also
10044         build a canonical type pointer.
10045         (build_reference_type_for_mode): When building a reference type,
10046         also build a canonical type reference.
10047         (build_index_type): When we can't hash an index type (e.g.,
10048         because its maximum value is negative), the index type requires
10049         structural equality tests.
10050         (build_array_type): Build the canonical form of an array type.
10051         (build_function_type): Function types require structural equality,
10052         because they contain default arguments, attributes, etc.
10053         (build_method_type_directly): Ditto for method types.
10054         (build_offset_type): Build the canonical offset type.
10055         (build_complex_type): Build the canonical vector type.
10056         (make_vector_type): Build the canonical vector type.
10057         * tree.h (TYPE_CANONICAL): New.
10058         (TYPE_STRUCTURAL_EQUALITY_P): New.
10059         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10060         (struct tree_type): Added "canonical" field.
10061         * params.h (VERIFY_CANONICAL_TYPES): New.
10062         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10063         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10064         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10065         * doc/invoke.texi (verify-canonical-types): Document --param
10066         parameter for verifying canonical types.
10068 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10070         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10071         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10072         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10073         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10074         tm_file.
10075         * config/rs6000/e500.h: New.
10076         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10077         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10078         Remove.
10079         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10080         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10081         TARGET_E500_DOUBLE): Remove.
10082         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10083         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10084         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10085         * config/rs6000/rs6000.c (rs6000_override_options): Use
10086         CHECK_E500_OPTIONS.
10088 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10090         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10091         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10092         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10093         rs6000_emit_cmove): Don't check TARGET_E500.
10094         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10095         sordered): Don't check TARGET_E500.
10097 2007-01-01  Eric Christopher  <echristo@apple.com>
10099         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10100         HARD_REGISTER_NUM_P.
10102 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10104         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10105         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10106         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10107         eq/ne Y".
10109 2007-01-01  Mike Stump  <mrs@apple.com>
10111         * configure.ac: Remove support for building with Apple's gcc-3.1.
10113 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10115         PR middle-end/30311
10116         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10117         REG is a hard register.  Do not modify REG before calling
10118         subreg_nregs.
10119         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10120         multiple of the size of YMODE for certain lowpart cases.
10122 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10124         PR middle-end/30253
10125         * gimplify (voidify_wrapper_expr): Update for
10126         GIMPLE_MODIFY_STMT.
10128 2007-01-01  Andreas Schwab  <schwab@suse.de>
10130         PR target/29166
10131         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10132         save of BR0 in extra_spill_size instead of spill_size.
10133         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10134         area.
10135         (ia64_expand_epilogue): Restore BR0 from its new location.
10137 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10139         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10140         Use a temporary variable if the left hand side is not a gimple
10141         register.
10143 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10145         * gimplify.c (gimplify_return_expr): Make the temporary variable
10146         for the return expression, a gimple register variable.
10148 2007-01-01  Jan Hubicka  <jh@suse.cz>
10150         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10151         INSN_LIST.
10153 2007-01-01  Mike Stump  <mrs@apple.com>
10155         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10156         .literal16.
10157         * config/darwin.c (machopic_select_rtx_section): Use
10158         HAVE_GAS_LITERAL16.
10159         (darwin_mergeable_constant_section): Likewise.
10160         * configure: Regenerate.
10161         * config.in: Regenerate.
10163 2007-01-01  Jan Hubicka  <jh@suse.cz>
10164             Andrew Pinski  <pinskia@gmail.com>
10166         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10167         before starting IPA passes.