+2007-04-02 Eric Christopher <echristo@apple.com>
+
+ * doc/invoke.texi (i386 and x86-64 Options): Document -m64
+ limitations on darwin.
+
+2007-04-02 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/31137
+ * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
+
+2007-04-02 Dave Korn <dave.korn@artimi.com>
+
+ * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
+
+2007-04-02 Dave Korn <dave.korn@artimi.com>
+
+ * libgcc2.h (exception_descriptor): Don't forward-declare.
+ (__get_eh_table_language, __get_eh_table_version): Delete
+ prototypes of long-dead functions.
+
+2007-04-01 Daniel Berlin <dberlin@dberlin.org>
+
+ * ebitmap.h: New file
+ * ebitmap.c: New file
+ * Makefile.in (ebitmap.o): New target.
+
+2007-04-01 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
+ before very first instruction.
+
+2007-04-01 Jan Hubicka <jh@suse.cz>
+
+ * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
+ waring on 64bit hosts.
+ * bitmap.h: Fix typo in bitmap_head_def.
+
+2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/31391
+ * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
+ into a DELETED_LABEL note, and the label is in an empty basic
+ block, update BB_END as well as BB_HEAD.
+
+2007-04-01 Richard Henderson <rth@redhat.com>
+
+ PR tree-optimization/31169
+ * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
+ to varying if the range is outside [0, prec-1].
+
+2007-04-01 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/31388
+ * config/mips/mips.md (load_const_gp): New insn.
+ * config/mips/mips.c (mips_split_symbol): Avoid using or creating
+ the MIPS16 GP pseudo register if no_new_pseudos.
+ (mips16_gp_pseudo_reg): Use gen_load_const_gp.
+
+2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/31364
+ * config/rs6000/rs6000.md (call): Convert to LR hard reg for
+ secureplt.
+ (call_value): Likewise.
+
+2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
+ Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 14737
+ * doc/invoke.texi: (optimization options): Reword description
+ of -ffast-math. Document its primary purpose.
+
+2007-03-31 Richard Guenther <rguenther@suse.de>
+
+ * omp-low.c (splay-tree.h): Include.
+ (lookup_decl): Replace splay-tree usage by pointer-map.
+ (maybe_lookup_decl): Likewise.
+ (new_omp_context): Likewise.
+ (delete_omp_context): Likewise.
+ * gimplify.c (splay-tree.h): Include.
+ * tree-inline.c (insert_decl_map): Replace splay-tree usage by
+ pointer-map.
+ (remap_ssa_name): Likewise.
+ (remap_decl): Likewise.
+ (remap_type_1): Likewise.
+ (remap_type): Likewise.
+ (copy_body_r): Likewise.
+ (expand_call_inline): Likewise.
+ (clone_body): Likewise.
+ (copy_tree_r): Likewise.
+ (remap_save_expr): Likewise.
+ (unsave_r): Likewise.
+ (unsave_expr_now): Likewise.
+ (tree_function_versioning): Likewise.
+ (build_duplicate_type): Likewise.
+ * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
+ (struct copy_body_data): Replace splay-tree by pointer-map.
+ * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
+ not $(SPLAY_TREE_H).
+ (gimplify.o): Depend on $(SPLAY_TREE_H).
+ (omp-low.p): Likewise.
+
+2007-03-31 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/predicates.md (even_register_operand,
+ odd_register_operand): New predicates.
+ * config/avr/avr.md (movw peephole2): New.
+ (movw_r peephole2): New.
+
+2007-03-30 Rafael Avila de Espindola <espindola@google.com>
+
+ * tree.h (get_signed_or_unsigned_type): New.
+ * fold-const.c (operand_equal_for_comparison_p): Use
+ get_signed_or_unsigned_type instead of
+ lang_hooks.types.signed_or_unsigned_type.
+ * expr.c (store_expr): Ditto.
+ * langhooks.c (get_signed_or_unsigned_type): New.
+ (lhd_signed_or_unsigned_type): New.
+ * langhooks.h (lhd_signed_or_unsigned_type): New.
+ * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-loop-ivopts.c: Include target.h.
+ (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
+ (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
+ (force_expr_to_var_cost): Use produce_memory_decl_rtl.
+ * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+ Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
+ default for 64-bit.
+ (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
+ (TARGET_64BIT_MS_ABI): New.
+ (DBX_REGISTER_NUMBER): Handle 64-bit.
+ (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
+ (LONG_TYPE_SIZE): Force to 32.
+ (REG_PARM_STACK_SPACE): New.
+ (OUTGOING_REG_PARM_STACK_SPACE): New.
+ (REGPARM_MAX, SSE_REGPARM_MAX): New.
+ (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
+ (STACK_BOUNDARY): Use 128 for 64-bit.
+ * config/i386/cygwin.asm: Use push/ret to preserve call stack.
+ Add 64-bit implementation.
+ * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
+ argument unused.
+ * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
+ (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
+ Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
+ for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
+ (ix86_handle_cconv_attribute): Don't warn when ignoring if
+ TARGET_64BIT_MS_ABI.
+ (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
+ (ix86_pass_by_reference): Likewise.
+ (ix86_function_value_regno_p): Likewise.
+ (ix86_build_builtin_va_list): Likewise.
+ (ix86_va_start, ix86_gimplify_va_arg): Likewise.
+ (function_arg_advance_ms_64): New.
+ (function_arg_advance): Call it.
+ (function_arg_ms_64): New.
+ (function_arg): Call it.
+ (function_value_ms_64): New.
+ (ix86_function_value_1): Call it.
+ (return_in_memory_ms_64): New.
+ (ix86_return_in_memory): Call it.
+ (setup_incoming_varargs_ms_64): New.
+ (ix86_setup_incoming_varargs): Call it.
+ (ix86_expand_prologue): Handle 64-bit stack probing.
+ (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
+ (output_pic_addr_const): Likewise.
+ (x86_this_parameter): Likewise.
+ (x86_output_mi_thunk): Likewise.
+ (x86_function_profiler): Likewise.
+ (TARGET_STRICT_ARGUMENT_NAMING): New.
+ * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
+ (TARGET_64BIT_MS_ABI): New.
+ (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
+ * config/i386/i386.md (allocate_stack_worker): Remove.
+ (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
+ describe the clobber of eax without a match_scratch.
+ (allocate_stack_worker_postreload): Remove.
+ (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
+ describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
+ (allocate_stack_worker_rex64_postreload): Remove.
+ (allocate_stack): Handle 64-bit.
+ * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
+ * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
+ (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
+ (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
+ (STANDARD_STARTFILE_PREFIX_1): Likewise.
+ * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
+ * config.build (x86_64-*-mingw*): New host.
+ * config.host (x86_64-*-mingw*): New host.
+ * config.gcc (x86_64-*-mingw*): New target.
+ * gthr-win32.h (__gthread_key_create): Mark dtor unused.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+ Kai Tietz <kai.tietz@onevision.com>
+
+ * c-pragma.c (struct def_pragma_macro_value): New.
+ (struct def_pragma_macro): New.
+ (pushed_macro_table): New.
+ (dpm_hash, dpm_eq): New.
+ (handle_pragma_push_macro, handle_pragma_pop_macro): New.
+ (init_pragma): Install them.
+ * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
+
+2007-03-30 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_override_options): Clear
+ 'flag_delete_null_pointer_checks'.
+
+2007-03-30 Paolo Carlini <pcarlini@suse.de>
+
+ PR c++/26099
+ * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
+ RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
+ RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
+ RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
+ RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
+ RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
+ RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
+ C++ extensions.
+ * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
+
+2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c: Move all of pass_stack_adjustments from here...
+ * combine-stack-adj.c: ...to this new file.
+ * Makefile.in: Add rules for combine-stack-adj.o.
+
+2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31383
+ * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
+ to have the same length.
+
+2007-03-30 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/PR30700
+ * dwarf2out.c (reference_to_unused): Ask cgraph for functions
+ availablility; add more sanity checking; ask varpool only about
+ VAR_DECL.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
+ to decide, but __SIZEOF_LONG_LONG__.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * emutls.c (struct __emutls_array): New.
+ (emutls_destroy): Use it instead of casting element 0 from void*.
+ (__emutls_get_address): Likewise.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (initializer_constant_valid_p): Don't deny
+ DECL_DLLIMPORT_P on functions.
+
+ * config/i386/cygming.h: Remove function declarations.
+ (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
+ (ASM_OUTPUT_LABELREF): Remove.
+ (COMMON_ASM_OP): Remove.
+ (ASM_OUTPUT_COMMON): Remove.
+ (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
+ (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
+ Rename from TARGET_ENCODE_SECTION_INFO.
+ * config/i386/netware.h: Likewise.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
+ of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
+ (legitimate_constant_p): Reject dllimports.
+ (dllimport_map, get_dllimport_decl): New.
+ (legitimize_dllimport_symbol): New.
+ (legitimize_address, ix86_expand_move): Use it.
+ (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
+ * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
+ (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
+ (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
+ * config/i386/predicates.md (constant_call_address_operand): Only
+ accept symbols; reject dllimport_p symbols.
+ * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
+ i386_pe_maybe_record_exported_symbol.
+ * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
+ (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
+ (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
+ trust the setting of DECL_DLLIMPORT_P.
+ (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
+ (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
+ (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
+ tidy the argument scanning loop.
+ (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
+ SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
+ (i386_pe_strip_name_encoding): Remove.
+ (i386_pe_binds_local_p): New.
+ (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
+ (i386_pe_output_labelref): Remove.
+ (i386_pe_asm_output_aligned_decl_common): New.
+ (i386_pe_maybe_record_exported_symbol): Rename from
+ i386_pe_record_exported_symbol; check for dllexported symbols.
+
+2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
+
+ * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
+ add comment explaining why vsnprintf cannot be used.
+
+2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR tree-optimization/30666
+ * tree.c (build_complex_type): When creating type names for DWARF2
+ debug info, create TYPE_DECLs for TYPE_NAME instead of
+ IDENTIFIER_NODEs.
+ (build_common_tree_nodes_2): Use build_complex_type when building
+ predefined complex types, to preserve canonical types.
+
+2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
+ (noce_get_alt_condition): Look at it to determine whether to
+ reverse the condition or not.
+ (noce_get_condition): Substitute the truth for lies.
+ (noce_find_if_block): Set the then_else_reversed field.
+
+2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
+
+ * config/fr30/fr30.md (movdi): Do not accept immediates as the
+ destination of this insn.
+ * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
+ than calling gen_rtx_SET directly. Use r0 to hold the value of
+ 'address + 4' rather than a stack based temporary which can be
+ mis-optimized away.
+
+2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_secondary_input_reload_class,
+ s390_secondary_output_reload_class): Functions removed.
+ (s390_secondary_reload): New function.
+ (TARGET_SECONDARY_RELOAD): Target macro defined.
+ * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
+ SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
+ * config/s390/s390.md ("reload_outti", "reload_outdi",
+ "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
+ "reload_out<mode>"): Expanders removed.
+ ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
+ "reload<mode>_nonoffmem_out"): Expanders added.
+
+2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
+ SRC->DEST replacement failed anyway.
+
+2007-03-28 Mike Stump <mrs@apple.com>
+
+ * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
+ * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
+ * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
+
+2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config.gcc: Accept barcelona as a variant of amdfam10.
+ * config/i386/i386.c (override_options): Likewise.
+ * doc/invoke.texi: Likewise.
+
+2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
+ offsets for BIT_FIELD_REF and COMPONENT_REF.
+
+2007-03-28 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (is_global_var): Move ...
+ * tree-flow-inline.h (is_global_var): ... here.
+ * tree.h (is_global_var): Remove declaration.
+
+2007-03-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
+ option.
+ (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
+ * config/i386/i386.c (ix86_tune_features): Initialize new
+ tuning option.
+ * config/i386/predicates.md (promotable_binary_operator): Use
+ TARGET_TUNE_PROMOTE_HIMODE_IMUL.
+
+2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
+
+ PR target/31380
+ * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
+
+2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
+
+ * config/fr30/fr30.md (movsi_internal): Change destination
+ constraint from m to V and add m to the end.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.md (movsi_i): Fix type attribute.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
+ (movsf_ie): Likewise.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config.gcc: Add sh4-300 to multilib.
+ * config/sh/t-mlib-sh4-300: New file.
+
+2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
+ ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
+ fix_trunc<mode>di2.
+ ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
+ fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
+ ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
+ "fixuns_trunctddi2"): Whitespace fix.
+
+2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
+ the definition of struct sh_args.
+ (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
+ CALL_COOKIE_INT_REG_GET): Likewise.
+
+2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
+ transformations are applied successfully.
+
+2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
+
+ * tree.c (tree_contains_struct): Permit 512 tree codes.
+ * tree.h (tree_contains_struct): Ditto.
+ (MAX_TREE_CODES): Ditto.
+ (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
+ SPARE member to store remaining padding bits.
+
+2007-03-27 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
+ architecture.
+
+2007-03-27 Janis Johnson <janis187@us.ibm.com>
+
+ * configure.ac: Fix assembler test for powerpc*-linux decimal float.
+ * configure: Regenerate.
+
+ * configure: Regenerate using the correct version of autoconf.
+
+2007-03-27 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
+ pointer regs.
+ * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
+ regs to "__SP_L__" and "__SP_H__".
+
+2007-03-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
+ computations with it with a HOST_WIDE_INT variable.
+
+2007-03-26 Mike Stump <mrs@apple.com>
+
+ * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
+ objective-c-header, objective-c++-header and objc++-cpp-output
+ support.
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
+
+2007-03-26 Richard Henderson <rth@redhat.com>
+
+ PR target/31361
+ * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
+ IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
+ IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
+ IX86_BUILTIN_PSRLQ128): New.
+ (ix86_init_mmx_sse_builtins): Add them.
+ (ix86_expand_builtin): Expand them.
+ * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
+ operand 2 be TImode.
+ * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
+ _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
+ _mm_srli_epi64): Mark __B const.
+ (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
+ (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
+ _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
+ new two-vector shift builtins.
+
+2007-03-26 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31345
+ * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
+ [+INF, +INF(OVF)] into VARYING.
+
+2007-03-26 Zack Weinberg <zackw@panix.com>
+
+ * gengtype-parse.c: New file.
+ * gengtype-yacc.y: Delete.
+ * gengtype-lex.l: Don't include gengtype-yacc.h.
+ Define YY_DECL and yyterminate appropriately for recursive
+ descent parser. yylval is now a string out-parameter to yylex.
+ (HWS, EOID): New shorthand.
+ (IWORD): Add a couple more types.
+ (yylex): Add a setup stanza. Remove the complex rules for
+ detecting GTY'ed types and typedefs; replace with simple
+ keyword detectors. Adjust everything for the changed
+ definition of yylval. Ignore all pp-directives, not just #define.
+ (yyerror): Delete.
+ (parse_file): Rename yybegin; do not call yyparse.
+ (yyend): New.
+ * gengtype.c (xasprintf): Export again.
+ (this_file): New. Use everywhere __FILE__ was being used.
+ (get_lang_bitmap): Special case types defined in gengtype.c.
+ (do_typedef, new_structure): Suppress definition of certain types.
+ (new_structure): Improve diagnostics of duplicate definitions.
+ Make sure location_s is associated with input.h.
+ (nreverse_pairs, define_location_structures): New functions.
+ (main): Improve tagging of kludge types. Remove old kludges
+ for input.h types; use define_location_structures.
+ * gengtype.h: Update prototypes. Define token codes here.
+ * Makefile.in: Remove all references to gengtype-yacc.
+ Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
+ and gengtype.
+ * bitmap.h (struct bitmap_head_def): Coalesce definitions,
+ add GTY((skip)) to the field that's only conditionally there.
+ * doc/install.texi: Document that Bison is no longer required
+ unless building treelang.
+
+ * gengtype.c: Don't include gtyp-gen.h.
+ (srcdir): Declare here.
+ (base_files, lang_dir_names): Allocate dynamically.
+ (gt_files, num_gt_files, num_lang_dirs): New globals.
+ (measure_input_list, read_input_line, read_input_list)
+ (set_lang_bitmap): New functions.
+ (get_base_file_bitmap): Rename get_lang_bitmap and drastically
+ simplify, relying on read_input_list to set up the bitmaps.
+ (main): Arguments are no longer unused. Check for correct number
+ of command line arguments, set srcdir and srcdir_len, then call
+ read_input_list, before doing anything else. No need to worry
+ about duplicates in main loop.
+ * configure.ac: Simplify the calculation of all_gtfiles.
+ Put language tags in there. Don't set or substitute
+ all_gtfiles_files_langs or all_gtfiles_files_frags.
+ * Makefile.in: Revamp the way gengtype is invoked, now that it
+ takes a file on its command line with a much simpler format.
+ Remove or replace with gtyp-input.list all references to gtyp-gen.h.
+ (GTFILES): Remove duplicates and C source files.
+ * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
+ * objcp/config-lang.in: Add c-pragma.h to gtfiles.
+ * configure: Regenerate.
+
+ * gengtype.h: Remove all type definitions to gengtype.c; leave
+ only definitions of options_p, type_p, and pair_p as opaque
+ pointers. Update prototypes.
+ * gengtype.c: Many type definitions moved here from gengtype.h.
+ Consolidate type definitions at the top of the file.
+ (xvasprintf): Delete.
+ (xasprintf): Make static.
+ (create_nested_pointer_option): Add 'next' parameter.
+ (create_field_all, create_field_at): New functions.
+ (create_field): Now a thin wrapper around create_field_all.
+ (create_optional_field): Rename create_optional_field_ and add
+ line argument. Original name is now a macro which supplies
+ __LINE__.
+ (oprintf): Use vsnprintf directly.
+ (close_output_files): Use fatal rather than perror/exit.
+ (note_def_vec, note_def_vec_alloc): Use create_field_at.
+ (main): Set progname. Don't use exit.
+ * gengtype-yacc.y (struct_fields): Use create_field_at.
+ (option, optionseqopt): Delete.
+ (optionseq): Consolidate productions from option here so we
+ can use the first argument to create_option.
+
+ * gengtype-lex.l: Distinguish unions from structures in the
+ token type. Don't call find_structure; return the tag as a string.
+ * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
+ Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
+ Reorganize typedef_struct production accordingly.
+ Use create_nested_ptr_option.
+ * gengtype.c (create_nested_ptr_option): New function.
+ * gengtype.h: Declare it.
+
+ * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
+ (string_type): Don't declare.
+ (do_scalar_typedef): Declare.
+ (create_scalar_type): Update prototype.
+ * gengtype.c (string_type): Make static.
+ (scalar_nonchar, scalar_char): New.
+ (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
+ (resolve_typedef): Use scalar_nonchar for error recovery.
+ (create_scalar_type): Remove name_len field. Return scalar_char
+ or scalar_nonchar as appropriate.
+ (adjust_field_type): Look at scalar_is_char boolean to decide whether
+ to use string_type.
+ (throughout): Use scalar_nonchar instead of calling create_scalar_type,
+ whenever possible.
+ (main): Initialize scalar_char and scalar_nonchar before calling
+ gen_rtx_next.
+ * gengtype-lex.l: Adjust for removal of second argument to
+ create_scalar_type. Use yylval.s instead of yylval.t when
+ returning SCALAR.
+ * gengtype-yacc.y: Type of SCALAR is string. Call
+ create_scalar_type from type:SCALAR rule. Adjust for removal of
+ second argument to create_scalar_type.
+
+ * vec.h: Remove all #if IN_GENGTYPE blocks.
+ Add comment saying that changes may require adjustments to gengtype.
+ * gengtype.c: Don't include coretypes.h or tm.h.
+ Add comment to inclusion of errors.h.
+ (note_def_vec, note_def_vec_alloc): New functions.
+ * gengtype.h: Declare new functions.
+ * gengtype-lex.l: Don't include coretypes.h.
+ (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
+ Delete.
+ (update_lineno): Remove unnecessary prototype.
+ (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
+ (VEC rule): Just return VEC_TOKEN.
+ * gengtype-yacc.y (VEC_TOKEN): New token type.
+ (type): Add a production for VEC(a,b).
+ * Makefile.in: Update dependencies.
+
+ * gengtype-lex.l: Remove rules for parsing pointer-to-function
+ typedefs that use the old PARAMS macro.
+
+ * gengtype-lex.l: Remove all rules and states relating to yacc
+ input files.
+ * gengtype-yacc.y: Similarly.
+ * gengtype.c (note_yacc_type): Delete function.
+ * gengtype.h: Update prototypes.
+
+2007-03-26 Joseph Myers <joseph@codesourcery.com>
+
+ * tree-pretty-print.c (dump_generic_node): Report precision of
+ unnamed integer types.
+
+2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (noce_try_store_flag_constants): Don't check
+ no_new_pseudos here.
+ (noce_try_store_flag_constants): Don't check no_new_pseudos.
+ (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
+ noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
+ noce_try_sign_mask): Likewise.
+ (if_convert): Check no_new_pseudos here.
+
+ (cond_exec_process_if_block, noce_process_if_block, find_if_block):
+ Remove prototypes.
+ (struct noce_if_info): Add then_bb, else_bb, join_bb members.
+ (noce_get_condition): Handle new then_else_reversed argument.
+ (noce_init_if_info): Remove, fold into noce_find_if_block.
+ (noce_process_if_block): Take a struct noce_if_info as the
+ argument. Don't set up one based on ce_if_info. Update pointer
+ references accordingly.
+ (cond_move_process_if_block): Likewise.
+ (process_if_block): Removed.
+ (find_if_block): Removed. Move functionality two new functions,
+ noce_find_if_block and cond_exec_find_if_block.
+ (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
+ blocks and the symmetric IF-ELSE-JOIN case.
+ (cond_exec_find_if_block): Also new function mostly based on old
+ find_if_block and process_if_block.
+ (find_if_header): Replace find_if_block call with separately
+ guarded calls to noce_find_if_block and cond_exec_find_if_block.
+ (find_cond_trap): Update noce_get_condition call.
+ (dead_or_predicable): Likewise.
+
+2007-03-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
+ Remove.
+ (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
+ IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
+ IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
+ (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
+ v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
+ __builtin_ia32_pslld128, __builtin_ia32_psllq128,
+ __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
+ __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
+ __builtin_ia32_psrad128 builtins.
+
+2007-03-26 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
+ * config/i386/constraints.md
+ (define_constraint "I"): Use IN_RANGE macro.
+ (define_constraint "J"): Ditto.
+ (define_constraint "K"): Ditto.
+ (define_constraint "M"): Ditto.
+ (define_constraint "N"): Ditto.
+ (define_constraint "O"): Ditto.
+ * config/i386/predicates.md
+ (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
+ (define_predicate "const_0_to_3_operand"): Ditto.
+ (define_predicate "const_0_to_7_operand"): Ditto.
+ (define_predicate "const_0_to_15_operand"): Ditto.
+ (define_predicate "const_0_to_63_operand"): Ditto.
+ (define_predicate "const_0_to_255_operand"): Ditto.
+ (define_predicate "const_1_to_31_operand"): Ditto.
+ (define_predicate "const_2_to_3_operand"): Ditto.
+ (define_predicate "const_4_to_7_operand"): Ditto.
+
+2007-03-25 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
+ in SImode for save_world.
+ * config/rs6000/altivec.md (save_world, restore_world): Convert to
+ LR hard reg.
+
+2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/30784
+ * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
+ BIT_FIELD_REF.
+
+2007-03-25 Revital Eres <eres@il.ibm.com>
+
+ * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
+ Fold movement_possibility function into it.
+
+2007-03-25 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
+ (load_macho_picbase_{si,di}): Convert to LR hard reg.
+ (call_indirect_nonlocal_darwin64): Same.
+ (call_nonlocal_darwin64): Same.
+ (call_value_indirect_nonlocal_darwin64): Same.
+ (call_value_nonlocal_darwin64): Same.
+ (sibcall_nonlocal_darwin64): Same.
+ (sibcall_value_nonlocal_darwin64): Same.
+ (sibcall_symbolic_64): Same.
+ (sibcall_value_symbolic_64): Same.
+ * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
+ LR pseudo.
+ (rs6000_emit_load_toc_table): Same.
+ * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
+ * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
+ (mull_call): Same.
+ (divss_call): Same.
+ (divus_call): Same.
+ (quoss_call): Same.
+ (quous_call): Same.
+ (load_toc_v4_pic_si): Same
+ (load_toc_v4_PIC_1): Same.
+ (load_toc_v4_PIC_1b): Same.
+ (call_indirect_aix{32,64}): Same.
+ (call_value_indirect_aix{32,64}): Same.
+ (call): Same.
+ (call_value): Same.
+ (call_local{32,64}): Same.
+ (call_value_local{32,64}): Same.
+ (call_indirect_nonlocal_aix{32,64}): Same.
+ (call_nonlocal_aix{32,64}): Same.
+ (call_value_indirect_nonlocal_aix{32,64}): Same.
+ (call_value_nonlocal_aix{32,64}): Same.
+ (call_indirect_nonlocal_sysv<mode>): Same.
+ (call_nonlocal_sysv<mode>): Same.
+ (call_value_indirect_nonlocal_sysv<mode>): Same.
+ (call_value_nonlocal_sysv<mode>): Same.
+ (sibcall): Same.
+ (sibcall_local{32,64}): Same.
+ (sibcall_value_local{32,64}): Same.
+ (sibcall_nonlocal_aix{32,64}): Same.
+ (sibcall_value_nonlocal_aix{32,64}): Same.
+ (sibcall_nonlocal_sysv<mode>): Same.
+ (sibcall_value): Same.
+ (sibcall_value_nonlocal_sysv<mode>): Same.
+
+2007-03-24 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
+ * config/arm/linux-eabi.h: Remove legacy syscall hack.
+
+2007-03-24 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/constraints.md: New file.
+ * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
+ satisfies_constraint_?.
+ * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
+ ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
+ ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
+ ia64_output_mi_thunk): Likewise.
+ (ia64_const_ok_for_letter_p): Remove.
+ (ia64_const_double_ok_for_letter_p): Remove.
+ (ia64_extra_constraint): Remove.
+ * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
+ (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
+ CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
+ CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
+ CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
+ EXTRA_MEMORY_CONSTRAINT): Remove.
+ * config/ia64/ia64.md: Include constriants.md. Replace
+ CONST_OK_FOR_? with satisfies_constraint_?.
+
+2007-03-23 Michael Meissner <michael.meissner@amd.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
+ DPD or BID name.
+ (name macros): Use DPD_BID_NAME to convert names properly.
+
+ * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
+ decimal floating point format.
+ (init_floating_libfuncs): Change decimal functions so that they
+ have a "bid_" prefix if the decimal system uses the BID format,
+ and "dpd_" prefix if the decimal system uses the DPD format.
+ (init_interclass_conv_libfuncs): Ditto.
+ (init_intraclass_conv_libfuncs): Ditto.
+
+ * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
+ using the BID format.
+
+ * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
+ whether we are using the BID decimal format.
+ * configure: Regenerate.
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
+ the compiler has decimal floating point enabled. Define
+ __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
+ instead of DPD.
+
+ * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
+ using the BID format.
+
+ * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
+ whether we are using the BID decimal format.
+ * configure: Regenerate.
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
+ the compiler has decimal floating point enabled. Define
+ __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
+ instead of DPD.
+
+ * doc/install.texi (--enable-decimal-float): Document BID and DPD
+ options, and that it is enabled for i386/x86_64 systems.
+
+ * Makefile.in (enable_decimal_float): New.
+ (DECNUMFMT): New.
+ (DECNUMINC): Add -I$(DECNUMFMT).
+ (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
+ to $(DECNUMFMT) from $(DECNUM).
+
+ * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
+ Substitute enable_decimal_float.
+ * configure: Regenerated.
+
+ PR other/30529
+ * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
+ unsigned long.
+
+ * configure.ac: Enable decimal float for x86_64-*-linux*.
+ * configure: Regenerated.
+
+ PR other/30530
+ * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
+ decimal128ClearSign to flip and clear the sign bit in decimal128.
+ (decimal_real_maxval): Set decimal128SetSign to set the sign
+ bit in decimal128.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * fold-const.c (fold_binary): Correct warning for X - c >= X.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * tree-dump.c (dump_files): Correct comment.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
+
+2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tracer.c (tracer): Don't take FLAGS argument. Assert we are
+ in cfglayout mode. Don't go into and out of cfglayout mode.
+ Link the blocks in the order of the constructed traces.
+ (rest_of_handle_tracer): Adjust call to tracer.
+ * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
+ Don't go into cfglayout mode.
+ (rtl_loop_done): Don't go out of cfglayout mode.
+ * cfglayout.c (relink_block_chain): New function, split out from...
+ (fixup_reorder_chain): ...here. Remove redundant checking.
+ (cfg_layout_finalize): Don't clear the header, footer, and aux
+ fields here, move the code to do so to relink_block_chain. Likewise
+ for free_original_copy_tables.
+ * rtl.h (tracer): Update prototype.
+ * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
+ Assert we are in cfglayout mode. Don't go into and out of cfglayout
+ mode. Use relink_block_chain to serialize the CFG according to the
+ new basic block order. Move targetm.cannot_modify_jumps_p check from
+ here...
+ (gate_handle_reorder_blocks): ...to here.
+ (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
+ from here...
+ (gate_duplicate_computed_gotos): ...to here.
+ (rest_of_handle_reorder_blocks): Don't see if anything has changed,
+ something always changes when going into and out of cfglayout mode.
+ Perform an expensive cfg cleanup while going into cfglayout mode.
+ Always update liveness information on HAVE_conditional_execution
+ targets. Reserialize the basic blocks and go out of cfglayout mode.
+ * reg-stack.c: Include cfglayout.h.
+ (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
+ the call to reorder_basic_blocks.
+ * basic-block.h (reorder_basic_blocks): Update prototype.
+ (relink_block_chain): New prototype.
+ * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
+
+2007-03-23 Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/mips.md (type, hazard, *movdi_32bit,
+ *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
+ *movhi_internal, *movqi_internal, *movsf_hardfloat,
+ *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
+ movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
+ mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
+ applicable.
+ (movcc): Change first xfer to multi.
+ * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
+ config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
+ config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
+ config/mips/generic.md: Change reservations using "xfer" to use
+ "mfc,mtc".
+ * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
+ using match_operand.
+ (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
+ * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
+ examining mode.
+ (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
+
+2007-03-22 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c: Remove unnecessary function declarations.
+ Move targetm definition, and all related macros, to the end of
+ the file. Resort some functions to put definitions before uses.
+ (ix86_attribute_table): Make static. Move to end of file.
+ (ix86_gimplify_va_arg): Make static.
+
+2007-03-22 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
+ don't increase local_regparm with force_align_arg_pointer check.
+ (ix86_function_sseregparm): Assert 32-bit.
+ (type_has_variadic_args_p): New.
+ (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
+ type_has_variadic_args_p.
+ (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
+ (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
+ use memset instead. Do maybe_vaarg check first; skip attribute
+ tests if true; skip attribute tests for 64-bit.
+ (construct_container): Remove TARGET_DEBUG_ARG.
+ (function_arg_advance_32, function_arg_advance_64): Split out ...
+ (function_arg_advance): ... from here.
+ (function_arg_32, function_arg_64): Split out ...
+ (function_arg): ... from here.
+ (ix86_pass_by_reference): Tidy.
+ (ix86_function_value_regno_p): Rearrange w/ switch on regno.
+ (function_value_32): New, from parts of ix86_function_value
+ and ix86_value_regno.
+ (function_value_64): New, from parts of ix86_function_value
+ and ix86_libcall_value.
+ (ix86_function_value_1): New.
+ (ix86_function_value, ix86_libcall_value): Use it.
+ (return_in_memory_32, return_in_memory_64): Split out ...
+ (ix86_return_in_memory): ... from here.
+ (ix86_struct_value_rtx): Skip for 64-bit.
+ (ix86_libcall_value, ix86_value_regno): Remove.
+ (setup_incoming_varargs_64): Split out ...
+ (ix86_setup_incoming_varargs): ... from here.
+ (ix86_va_start): Remove TARGET_DEBUG_ARG.
+ (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
+ * config/i386/i386-protos.h (ix86_function_value): Remove.
+ * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
+
+2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR other/23572
+ * c-lex.c (interpret_float): On overflow, emit pedantic warning if
+ infinities not supported, otherwise emit warning if -Woverflow. On
+ underflow, emit warning if -Woverflow.
+ * real.c (real_from_string): Return -1 if underflow, +1 if overflow
+ and 0 otherwise.
+ * real.h (real_from_string): Update declaration
+
+2007-03-22 Kai Tietz <kai.tietz@onevision.com>
+ Richard Henderson <rth@redhat.com>
+
+ * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
+ * calls.c (compute_argument_block_size, expand_call,
+ emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
+ * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
+ * function.c (STACK_DYNAMIC_OFFSET): Likewise.
+ * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
+ * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
+ config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
+ config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
+ config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
+ Set to 1.
+
+2007-03-22 Joseph Myers <joseph@codesourcery.com>
+
+ * c-incpath.c (add_sysroot_to_chain): New.
+ (merge_include_chains): Add sysroot argument. Call
+ add_sysroot_to_chain if sysrooted.
+ (register_include_chains): Update call to merge_include_chains.
+ * doc/cppopts.texi: Document use of '=' in include directory
+ arguments.
+
+2007-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
+ Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
+ (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
+ insn pattern using X87MODEF12 mode macro.
+
+2007-03-21 Seongbae Park <seongbae.park@gmail.com>
+
+ * regmove.c (regmove_optimize): Use reg_mentioned_p
+ instead of reg_overlap_mentioned_p for DST.
+
+2007-03-21 Mike Stump <mrs@apple.com>
+
+ * c.opt: Fixup for Objective-C/C++.
+
+2007-03-21 Steve Ellcey <sje@cup.hp.com>
+
+ * explow.c (convert_memory_address): Fold memory reference when
+ POINTERS_EXTEND_UNSIGNED < 0
+
+2007-03-21 Richard Henderson <rth@redhat.com>
+
+ PR target/31245
+ * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
+ * config/i386/mmintrin.h (__m64): Likewise.
+ * config/i386/xmmintrin.h (__m128): Likewise.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
+ (VXWORKS_OS_CPP_BUILTINS): Define.
+ * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
+ (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * rtl.h (constant_pool_reference_p): Delete.
+ (find_constant_src): Declare.
+ * rtlanal.c (find_constant_src): New function.
+ * simplify-rtx.c (constant_pool_reference_p): Delete.
+ * config/i386/i386.md: Use find_constant_src instead of
+ constant_pool_reference_p/avoid_constant_pool_reference pairs.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
+ * c-cppbuiltin.c (c_cpp_builtins): Define them.
+
+2007-03-20 Mark Mitchell <mark@codesourcery.com>
+
+ * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
+ * config/arm/arm.c (arm_elf_asm_cdtor): New function.
+ (arm_elf_asm_constructor): Use it.
+ (arm_elf_asm_destructor): New function.
+
+2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * jump.c (mark_jump_label): Treat SEQUENCE specially.
+
+2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
+
+2007-03-19 Andrew Haley <aph@redhat.com>
+
+ PR tree-optimization/31264
+ * tree-vrp.c (register_edge_assert_for_1): Don't look though
+ VIEW_CONVERT_EXPRs.
+
+2007-03-19 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/30907
+ * fwprop.c (forward_propagate_into): Never propagate inside a loop.
+ (fwprop_init): Always call loop_optimizer_initialize.
+ (fwprop_done): Always call loop_optimizer_finalize.
+ (fwprop): We always have loop info now.
+ (gate_fwprop_addr): Remove.
+ (pass_fwprop_addr): Use gate_fwprop as gate.
+
+ PR rtl-optimization/30841
+ * df-problems.c (df_ru_local_compute, df_rd_local_compute,
+ df_chain_alloc): Call df_reorganize_refs unconditionally.
+ * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
+ refs_organized to refs_organized_size.
+ (df_ref_create_structure): Use refs_organized_size instead of
+ bitmap_size if refs had been organized, and keep refs_organized_size
+ up-to-date.
+ * df.h (struct df_ref_info): Change refs_organized to
+ refs_organized_size.
+ (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
+ bitmap_size.
+
+2007-03-19 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (output_function_exception_table): Do not reference the
+ EH personality routine for functions that do not require an
+ exception table.
+
+2007-03-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/30762
+ * c-typeck.c (convert_for_assignment): Call comptypes for
+ RECORD_TYPE or UNION_TYPE.
+
+ PR inline-asm/30505
+ * reload1.c (reload): Do invalid ASM checking after
+ cleanup_subreg_operands.
+
+2007-03-19 Jeff Law <law@redhat.com>
+
+ * tree-cfg.c (find_taken_edge): Tighten conditions for
+ optimizing computed gotos.
+
+2007-03-19 Michael Matz <matz@suse.de>
+
+ * builtins.c (expand_builtin_sync_operation,
+ expand_builtin_compare_and_swap,
+ expand_builtin_lock_test_and_set): Care for extending CONST_INTs
+ correctly.
+
+ * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
+ sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
+ for operand 3.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * doc/tm.texi: Add brackets around the return type of
+ TARGET_SECONDARY_RELOAD.
+
+2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31254
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
+ Use handled_component_p () where appropriate. Continue
+ propagating into the rhs if we propagated into an INDIRECT_REF
+ on the lhs.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md (op_type attribute): RRR instruction type added.
+ (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
+ (xde, xdee): Mode attributes adjusted to support DFP modes.
+ (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
+ ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
+ DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
+ "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
+ "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
+ "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
+ "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
+ numbers.
+ ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
+ "movsf"): Insn definitions removed.
+ ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
+ "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
+ "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
+ definitions added.
+ ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
+ "reload_in<mode>", "reload_out<mode>"): Expander added.
+ ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
+ Expander removed.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md: Only non-functional changes. Renamed
+ FPR mode macro to BFP all over the file.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
+ (op_type attribute): RRF instruction type added.
+ (fT0): New mode attribute.
+ ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
+ "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
+ * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
+ no secondary memory is needed when moving DFmode values between GPRs
+ and FPRs.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
+ inverted and documentation adjusted.
+ ("mhard-dfp", "msoft-dfp"): New options.
+ * config/s390/s390.c (s390_handle_arch_option): New architecture
+ switch: z9-ec.
+ (override_options): Sanity checks for the new options added.
+ * config.gcc: New architecture switch: z9-ec.
+ * config/s390/s390.h (processor_flags): PF_DFP added.
+ (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
+ (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
+ when the bit is NOT set so remove it from the defaults.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * genemit.c (main): Print include statement for dfp.h.
+ * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
+ is not available.
+
+2007-03-19 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
+
+2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/31022
+ * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
+ instead of PATTERN.
+
+2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
+ attr_length_call, output_call, output_indirect_call): Cleanup
+ formatting of targetm calls.
+
+2007-03-19 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
+
+2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: Add fpstore_load and store_fpload instruction types. Provide
+ reservation, bypass and anti-bypass descriptions for these instructions.
+ Update move patterns.
+ * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
+ TYPE_FPSTORE.
+
+2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-transform.c (get_initial_def_for_induction): Replace
+ GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
+ (get_initial_def_for_reduction): Likewise.
+
+2007-03-16 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/29922
+ * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
+ (get_representative): Removed.
+ (value_dies_in_block_x): Update for rvuse removal.
+ (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
+ (compute_antic_aux): Handle when PHI nodes appear in
+ non-single-successors.
+ (dump_bitmap_of_names): Removed.
+ (compute_antic_safe): Renamed and removed rvuse calculation.
+ Calculate only antic safe.
+ (insert_into_preds_of_block): Remove assert.
+ (execute_pre): Update for renamed functions.
+ (defer_or_phi_translate_block): New function.
+
+2007-03-17 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
+ config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
+ typos.
+ * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
+ Follow spelling conventions.
+
+ * tree-data-ref.h: Remove the prototype for analyze_array.
+
+2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/31041
+ * tree-vect-transform.c (get_initial_def_for_induction): Call
+ force_gimple_operand.
+
+2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-type-escape.c (look_for_casts) : Revert code to use
+ handled_component_p due to ada test a-numaux.adb.
+
+2007-03-17 Kazu Hirata <kazu@codesourcery.com>
+
+ * final.c (final_scan_insn): Alter the condition of a
+ conditional trap if we have nonstandard CC.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Remove excess quoting from asm line 0 test.
+ * configure: Rebuilt.
+
+2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
+ * c-common.c (convert_and_check): Move warning logic to...
+ (warnings_for_convert_and_check): ...here. Define.
+ * c-common.h (warnings_for_convert_and_check): Declare.
+
+2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (attr_length_call): Partially revert change of 2007-03-09.
+ (output_call): Likewise.
+
+2007-03-16 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
+
+2007-03-16 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
+
+2007-03-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
+ opteron, athlon-64 and athlon-fx processor_alias_table entries.
+
+2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
+
+ PR tree-optimization/31183
+ * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
+ Use double_int instead of unsigned int for representing access_strides.
+ * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
+
+2007-03-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31146
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
+ to allow recursion of forward_propagate_addr_expr.
+ (forward_propagate_addr_into_variable_array_index): Likewise.
+ (forward_propagate_addr_expr): Likewise.
+ (tree_ssa_forward_propagate_single_use_vars): Likewise.
+ (forward_propagate_addr_expr_1): Recurse on simple copies
+ instead of propagating into them. Do so for useless conversions
+ as well.
+ (forward_propagate_addr_expr): Clean up unused statements after
+ recursion.
+
+2007-03-16 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_cexpi): Use the right argument
+ for the expansion via cexp.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Don't require ELF binutils to tolerate # 0 "".
+ * configure: Rebuilt.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/29906
+ * dwarf2out.c (force_type_die): Adjust comment.
+ (dwarf2out_imported_module_or_decl): Handle base AT_import types.
+
+2007-03-15 DJ Delorie <dj@redhat.com>
+
+ * config/frv/predicates.md (minmax_operator): Don't check operands
+ here.
+
+2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
+ Update constant estimates of number of iterations.
+ (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
+ argument renamed to "realistic".
+ (compute_estimated_nb_iterations): Removed.
+ (record_niter_bound): New function.
+ (idx_infer_loop_bounds): For possible but unlikely tail arrays,
+ call record_nonwrapping_iv with upper = false.
+ (infer_loop_bounds_from_signedness): Pass upper argument to
+ record_nonwrapping_iv.
+ (estimate_numbers_of_iterations_loop): Do not call
+ compute_estimated_nb_iterations. Record estimate based on profile
+ information. Initialize the constant estimates of number of
+ iterations.
+ * tree-data-ref.c (estimated_loop_iterations): Return the recorded
+ estimates.
+ * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
+ number of iterations is too small.
+ * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
+ (EST_NOT_AVAILABLE): Removed.
+ (struct loop): Replace estimated_nb_iterations by any_upper_bound,
+ nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
+ fields.
+
+2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
+ Handle NE_EXPR guards.
+
+2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c++/24924
+ * c-opts.c (c_common_post_options): Handle C++ post-processing here.
+ Set also -pedantic-errors by default for the preprocessor unless
+ -fpermissive is given.
+
+2007-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/29719
+ PR middle-end/31161
+ * builtins.c (expand_builtin_cexpi): As a fallback if we
+ don't have builtins for sincos or cexp create a function
+ declaration for cexp and expand to a call to that.
+ (expand_builtin_int_roundingfn): Always fall
+ back to floor/ceil and its variants even if they may be
+ not available.
+
+2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/31159
+ * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
+ jump tables, move the call to delete_dead_jumptables from here...
+ (cfg_layout_finalize): ...to here. But rebuild jump labels first.
+ * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
+ don't allow merging of blocks that try_redirect_by_replacing_jump
+ also does not handle when not optimizing.
+
+2007-03-15 Uros Bizjak <ubizjak@gmail.com>
+ Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * config/i386/i386.md (x86_sahf_1): Correctly handle
+ HAVE_AS_IX86_SAHF.
+
+2007-03-15 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31167
+ * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
+ x86_64_general_operand as operand[2] predicate. Remove "iF"
+ from operand constraints and use "e" constraint instead.
+ (*subti3_1, *subti3_1 splitter): Ditto.
+ (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
+ operand[1] predicate.
+
+2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
+
+ * tree-loop-linear.c (gather_interchange_stats): For multidimensional
+ arrays, multiply the access strides by the size of the sub-array.
+ * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
+
+2007-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
+ the configured assembler supports the sahf mnemonic.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
+ emit "sahf" or ".byte\t0x9e" as asm template.
+
+2007-03-14 Michael Meissner <michael.meissner@amd.com>
+
+ PR 31018
+ * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
+ option to replace hard coded TARGET_xxx in md file.
+ (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
+ (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
+ (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
+ (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
+ (X86_TUNE_NOT_UNPAIRABLE): Ditto.
+ (X86_TUNE_NOT_VECTORMODE): Ditto.
+ (TUNE_SHORTEN_X87_SSE): Use new tuning option.
+ (TUNE_AVOID_VECTOR_DECODE): Ditto.
+ (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
+ (TUNE_SLOW_IMUL_IMM8): Ditto.
+ (TUNE_MOVE_M1_VIA_OR): Ditto.
+ (TUNE_NOT_UNPAIRABLE): Ditto.
+ (TUNE_NOT_VECTORMODE): Ditto.
+
+ * config/i386/i386.c (ix86_tune_features): Fill in new tuning
+ options.
+
+ * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
+ tuning options instead of hard coded TARGET_xxx.
+ (fix ssemode peephole2's): Ditto.
+ (imul peephole2's): Ditto.
+ (movsi_or): Ditto.
+ (movdi_or_rex64): Ditto.
+ (move peephole2): Ditto.
+ (not peephole2's): Ditto.
+
+2007-03-14 Dirk Mueller <dmueller@suse.de>
+
+ * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
+ * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
+ * c-parser.c (c_parser_if_body): Always add an empty statement in case
+ of empty body.
+ * c-parser.c (c_parser_do_statement): Warn about empty body in
+ do/while statement.
+ * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
+ * doc/invoke.texi (-Wempty-body): Update documentation.
+
+2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/21438
+ * c-common.h (warn_for_div_by_zero): Declare.
+ * c-common.c (warn_for_div_by_zero): Define.
+ * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
+ warning.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+
+ * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
+ to PREFIX and STANDARD_PREFIX.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+ Phil Edwards <phil@codesourcery.com>
+
+ * gthr-vxworks.h: Add an extern "C" wrapper for C++.
+ (__gthread_once_t): Remove busy field for RTPs.
+ (__GTHREAD_ONCE_INIT): Update accordingly.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document VxWorks options.
+
+2007-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
+
+2007-03-13 Seongbae Park <seongbae.park@gmail.com>
+
+ PR tree-optimization/30590
+ * tree-nrv.c (tree_nrv): Check for the partial update of the
+ return value.
+
+2007-03-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * flags.h (flag_random_seed): Remove declaration, in favor of...
+ * toplev.h (get_random_seed, set_random_seed): ... these.
+ * tree.c (get_file_function_name): Use the former.
+ * opts.c (common_handle_option): Use the latter.
+ * toplev.c
+
+2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/31127
+ * cse.c (cse_find_path): Do not bail out if a basic block that
+ we already visited now becomes part of a path that starts at a
+ different basic block. Just disallow this, to make sure we
+ visit each basic block at most once.
+
+2007-03-13 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
+ when profile esitmate is present, calls with very low frequency are
+ cold.
+
+2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30730
+ PR tree-optimization/26900
+ * tree-ssa-loop-niter.c: Include gmp.h.
+ (bounds): New type.
+ (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
+ split_to_var_and_offset, determine_value_range,
+ bound_difference_of_offsetted_base, refine_bounds_using_guard,
+ bound_difference, bounds_add, bounds_negate,
+ number_of_iterations_ne_max, dump_affine_iv): New functions.
+ (number_of_iterations_ne, number_of_iterations_lt_to_ne,
+ assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
+ difference of initial and final value of control iv to validate
+ results.
+ (number_of_iterations_cond): Add loop parameter. Determine bounds
+ on the difference of the extremes of the control iv. Add dumps.
+ (expand_simple_operations): Handle phi nodes.
+ (simplify_using_initial_conditions): Do not record used conditions.
+ (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
+ Do not set additional_info.
+ (implies_nonnegative_p, implies_ge_p): Removed.
+ (derive_constant_upper_bound): Do not use parameter `additional'.
+ (record_estimate): Parameter `additional' removed. Parameter
+ `i_bound' added. Do not call derive_constant_upper_bound.
+ (record_nonwrapping_iv): Use derive_constant_upper_bound to
+ bound the number of iterations estimate.
+ (estimate_numbers_of_iterations_loop): Pass the estimate from
+ the number of iterations analysis to record_estimate.
+ * tree.h (multiple_of_p): Declare.
+ * tree-scalar-evolution.c (expression_expensive_p): Removed.
+ (scev_const_prop): Do not check expression_expensive_p.
+ * fold-const.c (multiple_of_p): Exported.
+ * double-int.c (double_int_mask): Exported.
+ * double-int.h (double_int_mask): Declare.
+ * tree-flow.h (struct tree_niter_desc): Removed additional_info
+ field. Added max field.
+
+2007-03-13 David Taylor <taylor@candd.org>
+
+ PR driver/12448:
+ * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
+ default -MQ.
+
+2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/31123
+ * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
+ two unamed patterns.
+
+2007-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.opt (mcx16, msahf): New options.
+ * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
+ (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
+
+ * config/i386/driver-i386.c (bit_LAHF_LM): New define.
+ (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
+ Output -mcx16 and -msahf options when corresponding bit is set.
+
+ * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
+ and -msahf options.
+
+2007-03-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Test for assembler tolerance to # 0 "".
+ * configure, config.in: Rebuilt.
+ * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
+
+2007-03-13 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Spec Files): Update for '%{,' spec.
+
+ * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
+ (handle_syscall): Handle direct system calls.
+ * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * doc/invoke.texi: Fix cpp.info cross-reference.
+ * doc/passes.texi: Fix gcc.info cross-reference.
+
+2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30835
+ * lambda-code.c (can_convert_to_perfect_nest): Check whether
+ bb_for_stmt is not NULL before accessing it.
+
+2007-03-12 Joseph Myers <joseph@codesourcery.com>
+
+ * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
+ some multilibs.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR 30635
+ * doc/install.texi: Document --enable-stage1-languages
+
+2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-pass.h (pass_into_cfg_layout_mode,
+ pass_outof_cfg_layout_mode): Declare.
+ * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
+ pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
+ * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
+ (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
+
+2007-03-12 Seongbae Park <seongbae.park@gmail.com>
+
+ * c-decl.c (warn_variable_length_array): New function.
+ Refactored from grokdeclarator to handle warn_vla
+ and handle unnamed array case.
+ (grokdeclarator): Refactored VLA warning case.
+ * c.opt (Wvla): New flag.
+ * doc/invoke.texi (Wvla): New warning.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
+ (TARGET_SECTION_TYPE_FLAGS): New.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/darwin.c (machopic_reloc_rw_mask): New.
+ * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
+ * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
+
+2007-03-12 Mark Mitchell <mark@codesourcery.com>
+
+ * cppdefault.c (cpp_EXEC_PREFIX): New variable.
+ * cppdefault.h (cpp_PREFIX): Document.
+ (cpp_PREFIX_len): Likewise.
+ (cpp_EXEC_PREFIX): New variable.
+ * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
+ * c-incpath.c (add_standard_paths): Correct logic for relocating
+ paths within prefix.
+
+2007-03-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
+ fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
+ mode macro.
+ (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
+ fix_truncdfdi_sse using SSEMODEF mode macro.
+ (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
+ fix_truncdfsi_sse using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
+
+2007-03-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
+ elfos.h to tm_file.
+
+2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
+
+ * tree.h : Add multiple_of_p declaration.
+ * fold-const.c (multiple_of_p): Make multiple_of_p public.
+ * ipa-type-escape.c (results_of_malloc): Redundant.
+ (visited_stmts): New. Visited stmt for walk_use_def_chains.
+ (cast_type): Extended with new members.
+ (check_cast): Returns cast_type.
+ (cast): New structure for data of walk_use_def_chains.
+ (is_malloc_result, is_cast_from_non_pointer_1,
+ is_cast_from_non_pointer,
+ is_array_access_through_pointer_and_index): New functions.
+ (look_for_casts): Returns cast types.
+ (check_call): Returns void.
+ (okay_pointer_operation): Use support of pointer plus index,
+ pointer plus constant and allow all multiplications.
+
+2007-03-11 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31115
+ * tree-vrp.c (extract_range_from_binary_expr): Make sure
+ the shift count is positive and non-anti-range for RSHIFT_EXPR.
+ A shift count of zero is not special as with *_DIV_EXPR.
+ (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
+ direction.
+
2007-03-11 Ian Lance Taylor <iant@google.com>
* tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2007-03-11 Ira Rosen <irar@il.ibm.com>
- * tree-data-ref.c (analyze_offset): Add a return value (bool) to
+ * tree-data-ref.c (analyze_offset): Add a return value (bool) to
indicate success/failure of the analysis. Add negation to subtrahend
in case of subtraction. Fail if both operands contain constants.
(create_data_ref): Fail if analyze_offset fails.
* doc/loop.texi: Document the Omega linear constraints solver.
* doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
- omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
- omega-hash-table-size, omega-max-keys, and
+ omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
+ omega-hash-table-size, omega-max-keys, and
omega-eliminate-redundant-constraints.
* tree-pass.h (pass_check_data_deps): Declared.
* omega.c: New.
* omega.h: New.
* timevar.def (TV_CHECK_DATA_DEPS): Declared.
- * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
+ * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
pass_check_data_deps): New.
* tree-data-ref.c (init_data_ref): Remove declaration.
(dump_data_dependence_relation): Dump DDR_INNER_LOOP.
(analyze_array): Renamed init_array_ref, move up initializations.
(init_data_ref): Renamed init_pointer_ref. Moved before its call.
Removed arguments that are set to NULL.
- (analyze_indirect_ref): Correct indentation, correct call to
+ (analyze_indirect_ref): Correct indentation, correct call to
init_pointer_ref.
(object_analysis): Call init_array_ref instead of analyze_array.
(initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
(access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
of DR_ACCESS_FNS_ADDR.
- (init_omega_eq_with_af, omega_extract_distance_vectors,
+ (init_omega_eq_with_af, omega_extract_distance_vectors,
omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
ddr_consistent_p): New.
- (compute_affine_dependence): Check consistency of ddrs when
+ (compute_affine_dependence): Check consistency of ddrs when
flag_check_data_deps is passed.
(analyze_all_data_dependences): Uncomment.
(tree_check_data_deps): New.
(OBJS-common): Depend on omega.o.
(omega.o): Define.
* passes.c (pass_check_data_deps): Scheduled.
- * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
+ * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
PARAM_VECT_MAX_VERSION_CHECKS,
* builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
ATTR_CONST_NOTHROW_LIST.
-
+
* fold-const.c (tree_expr_nonnegative_warnv_p): Handle
FIX_TRUNC_EXPR.
expanding sahf based alternative. Emit sahf based sequence when
optimizing for code size.
* config/i386/i386.md (x86_sahf_1): Do not disable for
- TARGET_64BIT, enable for TARGET_SAHF.
+ TARGET_64BIT, enable for TARGET_SAHF.
2007-03-08 Martin Michlmayr <tbm@cyrius.com>
2007-03-06 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
- ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
+ ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
devices.
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
- x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
+ x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
- x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
- x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
- x86_sse_partial_reg_dependency, x86_sse_split_regs,
+ x86_sse_partial_reg_dependency, x86_sse_split_regs,
x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
x86_epilogue_using_move, x86_decompose_lea,
x86_arch_always_fancy_math_387, x86_shift1,
x86_sse_partial_reg_dependency, x86_sse_split_regs,
- x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
+ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
x86_use_incdec, x86_pad_returns, x86_bswap,
in soft-float DFmode pattern.
(movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
floating register.
- (movsf): Likewise.
+ (movsf): Likewise.
2007-03-05 Mike Stump <mrs@apple.com>
PR other/30465
* c-common.c (convert_and_check): Don't give warnings for
conversion if 'expr' already overflowed.
-
+
2007-03-04 Roger Sayle <roger@eyesopen.com>
PR middle-end/30744
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