+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
+ (SUBTARGET_EXTRA_SPECS): New macros.
+ * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
+ use %(asm_cpu_spec) instead.
+ * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
+ * config/m68k/openbsd.h (ASM_SPEC): Likewise.
+ * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
+ (EXTRA_SPECS): Rename to...
+ (SUBTARGET_EXTRA_SPECS): ...this.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
+ to the configuration's default CPU.
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
+ Remove default masks.
+ (m680[012]0-*-*): Set the default with_cpu to the first part of
+ the target name.
+ (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
+ (m68k*-*-linux): Extend the --with-cpu handling to...
+ (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
+ and m68010. Don't set target_cpu_default2.
+ * doc/install.texi: Document --with-cpu for m68k.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
+ * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
+ (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
+ (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
+ (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
+ (ASM_SPEC): Remove use of %(asm_cpu_default).
+ (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
+ * config/m68k/linux.h (TARGET_DEFAULT): Delete.
+ (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
+ * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
+ __HAVE_FPU__ if TARGET_HARD_FLOAT.
+ (TARGET_DEFAULT): Delete.
+ (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
+ cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
+ (CPP_CPU_SPEC): Delete.
+ (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
+ the appropriate string.
+ (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
+ (CPP_SPEC): Define to NETBSD_CPP_SPEC.
+ (ASM_SPEC): Don't use %(asm_default_spec).
+ * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
+ TARGET_DEFAULT and add MASK_68881.
+ * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
+ (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
+ MASK_68010 alongside MASK_68020.
+ * doc/invoke.texi: Document -m68010.
+ * config/m68k/m68k.opt (m68010): New.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
+ if TUNE_68010.
+ (TUNE_68010): New macro.
+ * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
+ (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
+ (M68K_CPU_m68332): Add MASK_68010.
+ * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
+ fallback definition.
+ * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
+ defines.
+ * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
+ (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
+ to all entries that use MASK_68020.
+ (output_move_simode_const, output_move_himode, output_move_qimode)
+ (output_move_stricthi, output_move_strictqi): Use TARGET_68010
+ instead of TARGET_68020 to select clr behavior. Remove comment
+ about there being no TARGET_68010.
+ * config/m68k/m68k.md: Likewise throughout.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_ISAB): New macro.
+ * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
+ TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TUNE_68040_60): New macro.
+ * config/m68k/m68k.c (standard_68881_constant_p): Use it.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
+ instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (TARGET_CPU32): Rename to...
+ (TUNE_CPU32): ...this.
+ (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
+ (TUNE_CFV2): New macros.
+ * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
+ remove conditions that are implied by TARGET_68020.
+ * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
+ instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
+ (m68k_output_function_epilogue): Likewise.
+ (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
+ and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
+ "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
+ non-68000 timings. Refactor multiplication and division costs.
+ (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
+ TUNE_CPU32 instead of TARGET_CPU32.
+ (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
+ and TUNE_68060 instead of TARGET_68060.
+ * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
+ && !TARGET_COLDFIRE" to choose between moveq and clr.
+ Likewise in the unnamed movsf pattern.
+ (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
+ "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
+ ashiftrt pattern.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
+ of tabbing before backslashes.
+
+2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
+ * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
+ (ASM_OUTPUT_INTERNAL_LABEL): Define.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
+ find_interesting_uses_cond.
+ (find_interesting_uses_cond): Use extract_cond_operands.
+ (rewrite_use_compare): Use extract_cond_operands and
+ force_gimple_operand_bsi. Do not call update_stmt.
+ (determine_use_iv_cost_condition): Use extract_cond_operands.
+ Return cheaper of using original bound and changing the exit bound.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29516
+ * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
+ most_expensive_mult_to_index, addr_to_parts,
+ create_mem_ref, maybe_fold_tmr): Make the type of
+ fields of TARGET_MEM_REF sizetype.
+ (move_fixed_address_to_symbol, move_pointer_to_base):
+ New functions.
+ * tree.def (TARGET_MEM_REF): Add comment on types of
+ the operands.
+
+2007-01-11 Joseph Myers <joseph@codesourcery.com>
+
+ * c-common.c (vector_types_convertible_p): Treat opaque types as
+ always convertible if they have the same size, but not otherwise.
+
+2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add comments to the fields.
+ Remove the b_unconditional field.
+ (noce_try_sign_mask): Do not look at b_unconditional.
+ (noce_process_if_block): Do not use merge_if_blocks. Update
+ the CFG here. Do not set b_unconditional.
+ (cond_move_process_if_block): Likewise.
+ (find_cond_trap): Likewise.
+ (check_cond_move_block): Require simple jump insns at the end
+ of the basic block.
+
+2007-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/1046
+ * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
+ when alias info is not ready.
+ (pass_tail_recursion): Do not require aliasing.
+ * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
+ * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
+ * tree-ssa-copy.c (pass_copy_prop): Likewise.
+ * tree-ssa-forwprop.c (pass_forwprop): Likewise.
+ * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
+ * passes.c (init_optimization_passes): Execute rename_ssa_copies,
+ ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
+ before inlining.
+ * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
+ When aliasing is not build, mark statement as volatile.
+
+2007-01-11 Tom Tromey <tromey@redhat.com>
+
+ PR preprocessor/15185, PR preprocessor/20989:
+ * doc/cppopts.texi <-MT>: Update description of algorithm for
+ computing default target.
+ <-M, -MD>: Reword "basename" text.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_pow, expand_builtin_powi,
+ fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
+ fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
+ fold_builtin_int_int_roundingfn, fold_builtin_bitop,
+ fold_builtin_bswap, real_constp, fold_builtin_pow,
+ fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
+ do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
+ uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ * convert.c (convert_to_pointer): Likewise.
+ * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
+ * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
+ const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real,
+ fold_convert_const_real_from_real, sign_bit_p,
+ optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_comparison,
+ fold_binary, multiple_of_p, tree_Expr_non_zero_p,
+ fold_negate_const, fold_abs_const, fold_not_const): Likewise.
+ * print-tree.c (print_node_brief, print_node): Likewise.
+ * stor-layout.c (place_field, layout_type): Likewise.
+ * tree-chrec.c (keep_cast): Likewise.
+ * tree.c (build_vector, build_real, build_real_from_int_cst,
+ build_complex): Likewise.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
+ treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
+
+2007-01-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac (strict1_warn): Rename to strict_warn.
+ (WERROR, --enable-werror, symlink hacks, stage1_cflags,
+ cc_set_by_configure, quoted_cc_set_by_configure,
+ stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
+ all_boot_languages, all_stagestuff): Remove.
+ (target_list): Remove bootstrap targets.
+ * Makefile.in (quickstrap): Unconditionally make a synonym of all.
+ (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
+ REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
+ SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
+ VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
+ STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
+ stage1_copy, stage2_build, stage2_copy, stageprofile_build,
+ stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
+ stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
+ bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
+ bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
+ unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
+ restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
+ cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
+ *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
+ stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
+ stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
+ risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
+ (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
+ (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
+ (mostlyclean): Adjust.
+ (clean, distclean): Don't mention bootstrap stuff.
+ * configure: Regenerate.
+ * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
+ java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
+ treelang/config-lang.in (stagestuff): Remove.
+ * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
+ stageprofile, stagefeedback, stagestuff): Remove mention.
+
+2007-01-11 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/predicates.md (mcore_general_movesrc_operand):
+ Accept CONSTs.
+ (mcore_general_movdst_operand): Do not accept CONST_INTs.
+ (mcore_arith_K_S_operand): Run the test for the S constraint not
+ the test for the M constraint.
+ (mcore_addsub_operand): Do not accept integer values that are
+ larger than 32 bits.
+ * config/mcore/mcore.md: Remove unused constraints from split.
+ (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
+ (addsi3): Likewise.
+ (allocate_stack): Likewise.
+ * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
+ operands to 32 bits.
+ (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
+ INTVAL.
+ (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
+ mcore_const_ok_for_inline, mcore_const_trick_uses_not,
+ try_constant_tricks, mcore_num_ones, mcore_num_zeros,
+ mcore_output_bclri, mcore_output_andn, output_inline_const,
+ mcore_output_move, mcore_output_movedouble): Likewise.
+ (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
+ (output_inline_const): Likewise.
+ (output_inline_const): Fix format strings used in sprintf
+ statements.
+ * config/mcore/mcore-protos.h: Update prototypes for changed
+ functions in mcore.c.
+ * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
+ HOST_WIDE_INT and not int.
+ (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
+ CONST_OK_FOR_N): Likewise.
+ (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
+ (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
+ an INTVAL.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (remove_range_assertions): Release defs.
+ * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
+ * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
+
+2007-01-10 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
+ * config/arm/arm.md (mulsi3subsi): New insn.
+
+2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
+ (tree_transform_and_unroll_loop): New.
+ * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
+ Declare.
+
+2007-01-10 Robert Kennedy <jimbob@google.com>
+
+ * fold-const.c (fold_comparison): Fold comparisons like (x *
+ 1000 < 0) to (x < 0).
+
+2007-01-10 Ian Lance Taylor <iant@google.com>
+
+ * tree-pretty-print.c (dump_generic_node): Print parentheses when
+ operands have the same priority.
+
+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
+ (fold_binary): Likewise.
+ * langhooks.c (lhd_can_use_bit_fields_p): Removed.
+ * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+ (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
+ * langhooks.h (struct lang_hooks): Removed field
+ 'can_use_bit_fields_p'.
+
+2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
+
+2007-01-10 Razya Ladelsky <razya@il.ibm.com>
+
+ * function.c (get_last_funcdef_no): New function.
+ * function.h (get_last_funcdef_no): Declare.
+ * tree-inline.c (initialize_cfun): Add initialization.
+ (tree_function_versioning): Cleanup.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
+ PHIs.
+
+2007-01-10 Sa Liu <saliu@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
+ for SAVE_NONLOCAL and Pmode for any other save level.
+ * spu-protos.h (spu_restore_stack_block): Declare.
+ * spu.md (save_stack_block): Remove.
+ (restore_stack_block): Call spu_restore_stack_block.
+ * spu.c (spu_restore_stack_block): New function.
+ (spu_expand_epilogue): Remove old comment.
+
+2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30322
+ * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
+ (cand_value_at): Return the value as aff_tree.
+ (may_eliminate_iv): Convert the bound from aff_tree to tree.
+ * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
+ aff_combination_mult): New functions.
+ (aff_combination_add): Use aff_combination_add_cst.
+ (aff_combination_convert): Allow conversions to a wider type.
+ (tree_to_aff_combination): Handle BIT_NOT_EXPR.
+ * tree-affine.h (aff_combination_mult): Declare.
+
+2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/tm.texi: Update documentation to reflect reality of exec
+ and start file search behaviours. Update copyright year.
+ * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
+ header file directories.
+
+2007-01-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
+ (*cosxf2): Rename to cosxf2_i387.
+
+ (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
+ using X87MODEF12 mode macro. Rename patterns to
+ *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
+ for SSE math.
+ (*cosdf2, *cossf2): Ditto.
+ (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
+ to match extended input operands.
+
+ (sincos<mode>3): New expander.
+
+ (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
+ insn patterns and corresponding splitters.
+
+2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
+ (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
+
+2007-01-09 Nicolas Pitre <nico@cam.org>
+
+ PR target/30173
+ * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * target.h (struct gcc_target): New field library_rtti_comdat.
+ * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
+ (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Optimize Options): Correct description of -O0.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (force_fit_type_double): Export.
+ (force_fit_type): Remove.
+ * fold-const.c (force_fit_type_double): New function.
+ (force_fit_type): Remove.
+ (int_const_binop): Use it.
+ (fold_convert_const_int_from_int): Likewise.
+ (fold_convert_const_int_from_real): Likewise.
+ (fold_div_compare): Likewise.
+ (fold_sign_changed_comparison): Likewise.
+ (fold_unary): Likewise.
+ (fold_negate_const): Likewise.
+ (fold_abs_const): Likewise.
+ (fold_not_const): Likewise.
+ * c-common.c (shorten_compare): Use force_fit_type_double.
+ * convert.c (convert_to_pointer): Likewise.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (build_int_cst_wide_type): Export.
+ * tree.c (build_int_cst_wide_type): New function.
+ (build_int_cst_wide): Fix comment.
+ * builtins.c (fold_builtin_object_size): Use build_int_cst
+ to build -1 or 0 of the correct type. Use fit_double_type
+ to check for overflow.
+ * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
+ to build the mask.
+ (decode_field_reference): Likewise.
+ (all_ones_mask_p): Likewise.
+ (native_interpret_int): Use build_int_cst_wide_type.
+ (fold_binary): Use build_int_cst_type to build an all-ones
+ value.
+ * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
+
+2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
+
+2007-01-09 Ben Elliston <bje@au.ibm.com>
+
+ * genautomata.c (STATS_OPTION): New option.
+ (stats_flag): New flag.
+ (gen_automata_option): Handle it.
+ (initiate_automaton_gen): Ditto.
+ (write_automata): Output statistics only if stats_flag is
+ set. Likewise, output time statistics only if time_flag is set.
+ * doc/md.texi (Processor pipeline description): Document new flag.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
+ * tree.c (build_int_cst_type): Likewise.
+ (size_in_bytes): Don't call force_fit_type on the result.
+ (int_fits_type_p): Use fit_double_type.
+ * fold-const.c (fit_double_type): New function.
+ (force_fit_type): Use it.
+ * tree.h (fit_double_type): Export.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-vectorizer.c (gate_increase_alignment): Fix return type.
+ * ipa.c (function_and_variable_visibility): Fix return type.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
+ of offset to build the index.
+ * tree-pretty-print.c (dump_generic_node): Don't build negated
+ const just for printing.
+ * c-pretty-print.c (pp_c_integer_constant): Likewise.
+ * builtins.c (fold_builtin_int_roundingfn): Check if result
+ fits the type by using force_fit_type and comparing the result.
+ * predict.c (predict_loops): Use compare_tree_int for comparison.
+ * tree.c (build_int_cst): Fall back to integer_type_node for
+ NULL_TREE type.
+ (build_int_cst_wide): Assert type is non-null.
+
+2007-01-08 Roberto Costa <roberto.costa@st.com>
+
+ * tree-vrp.c (extract_range_from_cond_expr): New.
+ (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
+ * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
+ as expressions.
+ (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
+ * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
+ tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
+ used as expressions.
+ * tree-object-size.c (cond_expr_object_size): New.
+ (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond,
+ tree_ssa_forward_propagate_single_use_va): Release defs of propagated
+ statement.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/23603
+ * tree-vrp.c (set_value_range_to_truthvalue): New function.
+ (extract_range_from_binary): Fall back to truthvalue instead of
+ varying for TRUTH_*_EXPR.
+ (extract_range_from_comparison): Fall back to truthvalue instead of
+ varying.
+ (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
+ if all visited PHI values were constant.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
+ (cgraph_analyze_function): break out from ...
+ (cgraph_finalize_compilation_unit): ... here.
+ (cgraph_expand_function): Remove forgoten commented out line.
+ (cgraph_optimize): Analyze functions.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-pas.h (TODO_remove_function): New flag.
+ (TODO_update*): Renumber.
+ (pass_ipa_increase_alignment,
+ pass_ipa_function_and_variable_visibility): New passes.
+ * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
+ (cgraph_function_and_variable_visibility): Move to ipa.c
+ (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
+ cgraph_increase_alignment.
+ * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
+ (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
+ calling tree-inline.
+ (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
+ (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
+ * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
+ (gate_increase_alignment): New function.
+ (pass_ipa_increase_alignment): New pass.
+ * ipa.c: Inline tree-pass.h and timevar.h
+ (function_and_variable_visibility): Move here from cgraphunit.c
+ * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
+ * passes.c (init_optimization_passes): Add the two new passes.
+ (execute_todo): Handle cgraph_remove_functions.
+
+2007-01-08 Nick Clifton <nickc@redhat.com>
+
+ * config/frv/predicates.md (reg_or_0_operand): Accept
+ CONST_DOUBLEs.
+
+2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/rtems.h, config/bfin/t-rtems: New.
+ * config.gcc: Add bfin*-rtems*.
+
+2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
+
+ * c.opt: Add -flax-vector-conversions.
+ * c-typeck.c (convert_for_assignment): Pass flag to
+ vector_types_convertible_p to allow emission of note.
+ (digest_init): Likewise.
+ * c-opts.c: Handle -flax-vector-conversions.
+ * c-common.c (flag_lax_vector_conversions): New.
+ (vector_types_convertible_p): Unless -flax-vector conversions
+ has been passed, disallow conversions between vectors with
+ differing numbers of subparts and/or element types. If such
+ a conversion is disallowed, possibly emit a note on the first
+ occasion only to inform the user of -flax-vector-conversions.
+ The new last argument specifies this.
+ * c-common.h (flag_lax_vector_conversions): New.
+ (vector_types_convertible_p): Add extra argument.
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
+ char_type_node for V*QI type vectors.
+ * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
+ Update to satisfy new typechecking rules.
+ * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
+ C and C++ variants.
+ * doc/invoke.texi (C Dialect Options): Document
+ -flax-vector-conversions.
+
+2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
+
+ PR tree-optimization/29877
+ * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
+ a register variable on the RHS to not be replaceable.
+
+2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
+ * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
+ * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
+ const_simm15, const_pow2, const_npow2): Added.
+ * config/score/misc.md (insv, extv, extzv, movmemsi,
+ move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
+ * config/score/score.c (score_address_cost, score_select_cc_mode):
+ Added.
+ Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
+ Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
+ Update score_print_operand.
+ * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
+ Adjust register allocate order and update some macro define.
+ * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
+ mdx_block_move_straight, mdx_block_move_loop_head,
+ mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
+ mdx_block_move): Added.
+ (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
+ mdp_limm): Updated and fix some bug and typo.
+ * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
+ (movsf, movdf, doloop_end): Added.
+
+2007-01-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
+ config/arm/thumb2.md: Fix comment typos.
+ * doc/extend.texi: Fix a typo.
+
+2007-01-07 Eric Christopher <echristo@apple.com>
+
+ * configure.ac: Check for __stack_chk_fail for darwin.
+ * configure: Regenerate.
+
+2007-01-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (extract_range_from_assert): CSE calls to
+ compare_values where possible.
+ (extract_range_from_unary_expr): Likewise.
+
+2007-01-07 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
+ * config/avr/avr.c (call_insn_operand): Delete function.
+ * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
+ instead of register number. Use predicates.
+ * config/avr/predicates.md (const0_operand, reg_or_0_operand,
+ call_insn_operand): Add.
+
+2007-01-06 Jan Hubicka <jh@suse.cz>
+
+ * tree-pass.h (pass_build_cgraph_edges): Declare.
+ * cgraphunit.c (record_refernece): Move to cgraphbuild.c
+ (visited_nodes): Remove.
+ (cgraph_create_edges): Move to cgraphbuild.c; rename to
+ build_cgrpah_edges; make visited_nodes local.
+ (cgraph_process_new_functions): DO not call initialize_inline_failed.
+ (record_references_in_initializer): Move to cgraphbuild.c
+ (initialize_inline_failed, rebuild_cgraph_edges,
+ pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
+ (verify_cgraph_node): Make visited_nodes local.
+ (cgraph_analyze_function): Do not call cgraph_create_edges and
+ initialize_inline_failed.
+ (cgraph_expand_function): Do not call cgraph_lower_function;
+ assert that function is already lowered.
+ * Makefile.in (cgraphbuild.o): New.
+ * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
+ at the end of lowering passes.
+
+2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (cond_move_convert_if_block): New function, code
+ factored out from...
+ (cond_move_process_if_block): ...here. Call the new function
+ on the THEN and ELSE blocks.
+ (merge_if_block): Do not copy global_live_at_end, merge_blocks
+ already takes care of this.
+
+2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/19978
+ * tree.h (TREE_OVERFLOW_P): New.
+ * c-typeck.c (parser_build_unary_op): Warn only if result
+ overflowed and operands did not.
+ (parser_build_binary_op): Likewise.
+ (convert_for_assignment): Remove redundant overflow_warning.
+ * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
+
+2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-typeck.c (store_init_value): Split over two lines to follow
+ the GNU coding style.
+
+2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
+ __GXX_EXPERIMENTAL_CXX0X__.
+ * doc/cpp.texi: Same.
+
+2007-01-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27826
+ * tree.c (get_narrower): Do not construct COMPONENT_REFs
+ with mismatched types. Instead explicitly build a
+ conversion NOP_EXPR.
+
+2007-01-05 Ian Lance Taylor <iant@google.com>
+
+ * c-common.c (decl_with_nonnull_addr_p): New function.
+ (c_common_truthvalue_conversion): Call it.
+ * c-typeck.c (build_binary_op): Likewise.
+ * c-common.h (decl_with_nonnull_addr_p): Declare.
+
+2007-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/30360
+ * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
+ denom against 0.0.
+
+2007-01-05 Joel Brobecker <brobecker@adacore.com>
+
+ * doc/install.texi (Final install): Document the fact that
+ the GNAT runtime should not be stripped.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (fold_marked_statements): Update operand caches
+ and EH after folding
+
+2007-01-04 Ian Lance Taylor <iant@google.com>
+
+ * c-common.c (check_function_nonnull): Whitespace fix.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
+ comitted older version of patch.
+ (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
+ function, celanup cfg and collect garbage.
+
+2007-01-04 Mike Stump <mrs@apple.com>
+
+ * Makefile.in (mostlyclean): Don't remove libgcc anymore.
+ (clean): Likewise.
+
+2007-01-04 Eric Christopher <echristo@apple.com>
+
+ * libgcc2.c (__bswapsi2): Use SItype.
+ (__bswapdi2): Use DItype.
+ * libgcc2.h: Update for above.
+
+2007-01-04 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
+ mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
+ mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
+ umulsidi3, umulsidi3adddi, smulsi3_highpart,
+ umulsi3_highpart): Make conditional on !arm_arch6.
+ (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
+ mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
+ mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
+ umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
+ umulsi3_highpart_v6): New insns.
+
+2007-01-04 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_convert): When casting an expression to void,
+ fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
+ have a type. Instead of attempting to build a NOP_EXPR, return
+ these "special" trees directly.
+
+2007-01-04 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
+ MULT inside MINUS as either argument. Use rs6000_cost->dmul -
+ rs6000_cost->fp not 0 as adjustment for outer NEG.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_release_function_body): New function.
+ (cgraph_remove_node): Use it.
+ * cgraph.h (cgraph_release_function_body): Declare.
+ * cgraphunit.c (cgraph_expand_function): Use it.
+ * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
+ * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
+ is initialized and while compilation of other function is running.
+ * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
+ statement CFG annotations from here to ...
+ * tree-cfg.c (delete_tree_cfg_annotations): ... here.
+
+2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.h (enum li_flags): Make the constants powers of two.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
+ set.
+ (fold_marked_statements): New function.
+ (optimize_inline_calls, tree_function_versioning): Fold new statements.
+ * tree-inline.h (copy_body_data): Add statements_to_fold.
+
+2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config.gcc: Mention libgcc/config.host.
+ * Makefile.in: Update comments mentioning libgcc.
+ (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
+ (all.cross, start.encap, rest.encap, rest.cross): Update
+ dependencies for libgcc move.
+ (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
+ (clean-target, clean-target-libgcc): Delete.
+ (srcdirify, GCC_EXTRA_PARTS): New macros.
+ (libgcc-support, libgcc.mvars): New rules.
+ (distclean): Remove mention of mklibgcc.
+ (install): Don't reference INSTALL_LIBGCC.
+ (install-common): Don't reference EXTRA_PARTS.
+ (install-libgcc, install-multilib): Delete rules.
+ * mklibgcc.in: Delete file.
+ * doc/configfiles.texi: Don't mention mklibgcc.
+
+ * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
+ * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
+ * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
+ * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
+ (mklibgcc, ldblspecs): Likewise.
+
+ * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
+ (posixpre.def): Use $(T).
+ (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
+ (SHLIB_SRC, SHLIB_INSTALL): Delete.
+ (SHLIB_LINK): Make dummy.
+ * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
+
+ * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
+
+ * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
+ * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
+ config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
+ config/rs6000/t-newas, config/sparc/t-elf: Likewise.
+
+ * configure.ac (all_outputs): Remove mklibgcc.
+ * configure: Regenerated.
+
+2007-01-03 Josh Conner <jconner@apple.com>
+
+ PR middle-end/29683
+ * calls.c (compute_argument_addresses): Set stack and stack_slot
+ for partial args, too.
+ (store_one_arg): Use locate.size.constant for the size when
+ generating a save_area.
+
+2007-01-03 Robert Kennedy <jimbob@google.com>
+
+ * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
+ whose definitions are deleted due to basic block merging.
+
+2007-01-03 Paul Brook <paul@codesourcery.com>
+
+ PR target/16634
+ * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
+ functions.
+ (use_return_insn): Return 0 for Thumb interrupt functions.
+ (print_multi_reg): Add rfe argument for IRQ returns.
+ (arm_output_epilogue): Pop interrupt return address directly into PC.
+ (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
+
+2007-01-03 Paul Brook <paul@codesourcery.com>
+
+ Merge from sourcerygxx-4_1.
+ * config/arm/thumb2.md: New file.
+ * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
+ Thumb-2.
+ * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
+ * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
+ * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
+ tables.
+ (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
+ * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
+ comptibility.
+ * config/arm/ieee754-sf.S: Ditto.
+ * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
+ (thumb1_base_register_rtx_p): ... to this.
+ (thumb_index_register_rtx_p): Rename...
+ (thumb1_index_register_rtx_p): ... to this.
+ (thumb_output_function_prologue): Rename...
+ (thumb1_output_function_prologue): ... to this.
+ (thumb_legitimate_address_p): Rename...
+ (thumb1_legitimate_address_p): ... to this.
+ (thumb_rtx_costs): Rename...
+ (thumb1_rtx_costs): ... to this.
+ (thumb_compute_save_reg_mask): Rename...
+ (thumb1_compute_save_reg_mask): ... to this.
+ (thumb_final_prescan_insn): Rename...
+ (thumb1_final_prescan_insn): ... to this.
+ (thumb_expand_epilogue): Rename...
+ (thumb1_expand_epilogue): ... to this.
+ (arm_unwind_emit_stm): Rename...
+ (arm_unwind_emit_sequence): ... to this.
+ (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
+ thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
+ thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
+ arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
+ thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
+ thumb2_output_casesi): New functions.
+ (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
+ (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
+ FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
+ THUMB2_WORK_REGS): Define.
+ (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
+ arm_condexec_mask, arm_condexec_masklen)): New variables.
+ (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
+ (arm_override_options): Check new CPU capabilities.
+ Set new architecture flag variables.
+ (arm_isr_value): Handle v7m interrupt functions.
+ (user_return_insn): Return 0 for v7m interrupt functions. Handle
+ Thumb-2.
+ (const_ok_for_arm): Handle Thumb-2 constants.
+ (arm_gen_constant): Ditto. Use movw when available.
+ (arm_function_ok_for_sibcall): Return false for v7m interrupt
+ functions.
+ (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
+ (thumb_find_work_register, arm_load_pic_register,
+ legitimize_tls_address, arm_address_cost, load_multiple_sequence,
+ emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
+ print_multi_reg, output_mov_long_double_fpa_from_arm,
+ output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
+ output_mov_double_fpa_from_arm, output_move_double,
+ arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
+ output_return_instruction, arm_output_function_prologue,
+ arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
+ arm_output_mi_thunk, thumb_set_return_address): Ditto.
+ (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
+ (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
+ (arithmetic_instr, shift_op): Use arm_shift_nmem.
+ (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
+ '!' and 'L'.
+ (arm_final_prescan_insn): Use extract_constrain_insn_cached.
+ (thumb_expand_prologue): Use thumb_set_frame_pointer.
+ (arm_file_start): Output directive for unified syntax.
+ (arm_unwind_emit_set): Handle stack alignment instruction.
+ * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
+ Add v6t2, v7, v7a, v7r and v7m.
+ (RETLDM): Add Thumb-2 code.
+ (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
+ * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
+ (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
+ TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
+ THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
+ ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
+ THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
+ CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
+ ADJUST_INSN_LENGTH): Define.
+ (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
+ STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
+ BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
+ PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
+ SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
+ TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
+ HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
+ HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
+ REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
+ REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
+ LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
+ GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
+ ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
+ FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
+ PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
+ (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
+ * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
+ cortex-m3.
+ * config/arm/arm-tune.md: Regenerate.
+ * config/arm/arm-protos.h: Update prototypes.
+ * config/arm/vfp.md: Enable patterns for Thumb-2.
+ (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
+ (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
+ (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
+ thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
+ * config/arm/libunwind.S: Add Thumb-2 code.
+ * config/arm/constraints.md: Update include Thumb-2.
+ * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
+ * config/arm/ieee754-df.S: Ditto.
+ * config/arm/bpabi.S: Ditto.
+ * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
+ * config/arm/predicates.md (low_register_operand,
+ low_reg_or_int_operand, thumb_16bit_operator): New.
+ (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
+ (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
+ * config/arm/t-arm-elf: Add armv7 multilib.
+ * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
+ Include thumb2.md.
+ (UNSPEC_STACK_ALIGN, ce_count): New.
+ (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
+ arm_zero_extendsidi2, arm_zero_extendqidi2): New
+ insns/expanders.
+ * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
+ (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
+ thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
+ * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
+ (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
+ thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
+ insns.
+ * doc/extend.texi: Document ARMv7-M interrupt functions.
+ * doc/invoke.texi: Document Thumb-2 new cores+architectures.
+
+2007-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
+ (struct _Unwind_Context): Rename args_size to flags, remove
+ signal_frame field, add a new args_size field and version field.
+ (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
+ _Unwind_IsExtendedContext): New inline functions.
+ (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
+ Assume by_value array is only present if _Unwind_IsExtendedContext.
+ (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
+ _Unwind_IsSignalFrame.
+ (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
+ (uw_update_context_1): Use _Unwind_SetSignalFrame.
+ (uw_init_context_1): Initialize context->flags to
+ EXTENDED_CONTEXT_BIT.
+ * config/rs6000/linux-unwind.h (frob_update_context): Use
+ _Unwind_SetSignalFrame.
+
+2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30353
+ * gimplify.c (gimplify_modify_expr_complex_part): Move below
+ tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
+ the value.
+
+2007-01-03 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
+ REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
+ RET, AT_SP): Remove.
+ * config/i386/i386.md (*sse_prologue_save_insn): Use return
+ instead of RET.
+
+ * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
+ * cfgbuild.c (find_basic_blocks): Likewise.
+ * cfgrtl.c (rtl_create_basic_block): Likewise.
+ * function.c (temp_slots_at_level): Likewise.
+ * reg-stack.c (stack_regs_mentioned): Likewise.
+ * regclass.c (allocate_reg_info): Likewise.
+ * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
+ set_bb_for_stmt, move_block_to_fn): Likewise.
+ * tree-complex.c (tree_lower_complex): Likewise.
+ * vec.h (VEC_safe_grow_cleared): New.
+
+ * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
+
+2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
+ * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
+ to loop_version.
+ * cfgloopmanip.c (scale_loop_frequencies): Export.
+ (loopify): Scale the frequencies by prescribed coefficients.
+ (set_zero_probability): New function.
+ (duplicate_loop_to_header_edge): Improve updating of frequencies.
+ (lv_adjust_loop_entry_edge, loop_version): Set probabilities
+ and frequencies according to arguments.
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
+ correctly.
+ * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
+ * modulo-sched.c (sms_schedule): Set probabilities for entering
+ versioned loop correctly.
+ * tree-vect-transform.c (vect_transform_loop): Ditto.
+ * cfgloop.h (loopify, loop_version): Declaration changed.
+ (scale_loop_frequencies): Declared.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c: Include tree-flow.h
+ (cgraph_add_new-function): Handle IPA_SSA mode; execute
+ early_local_passes.
+ * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
+ * tree-pass.h (pass_all_early_optimizations): Declare.
+ * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
+ early_local_passes.
+ (cgraph_analyze_function): Do early_local_passes.
+ * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
+ Do not add referenced vars.
+ * tree-optimize.c (gate_all_optimizations): Do not execute when not in
+ SSA form.
+ (gate_all_early_local_passes): New gate.
+ (pass_early_local_passes): Use new gate.
+ (execute_early_local_optimizations): New functions.
+ (gate_all_early_optimizations): New gate.
+ (pass_all_early_optimizations): New pass.
+ (execute_free_datastructures): Free SSA only when initialized.
+ (gate_init_datastructures): Init only when optimizing.
+ (tree_lowering_passes): Do early local passes when called late.
+ * tree-profile.c (do_tree_profiling): Don't profile functions added
+ late.
+ (do_early_tree_profiling, pass_early_tree_profile): Kill.
+ * tree-cfg.c (update_modified_stmts): Do not update when operands are
+ not active.
+ * passes.c (init_optimizations_passes): Reorder so we go into SSA
+ during early_local_passes.
+ * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
+
+
+2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Update copyright year.
+
+2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
+ in $(lang_checks) and check-consistency targets.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
+ Do not add referenced vars.
+ * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
+ are not active.
+ * passes.c (init_optimization_passes): Put mudflap_2 after
+ free_datastructures.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
+ Set NOTHROW flag on call statements proved to be nothrow.
+ Update statement of local calls so new pure/const functions are
+ updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
+ goto receivers.
+ (tree_rest_of_compilation): Register hooks and initialize bitmap
+ early. Do not set after_inlining flag.
+
+2007-01-02 Steve Ellcey <sje@cup.hp.com>
+
+ * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
+ HOST_BITS_PER_LONGLONG
+
2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR c/19977
* c-typeck.c (store_init_value): Don't emit pedantic overflow
warning for non-static initializers.
-
+
2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
* config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* c-decl.c (declspecs_add_scspec): Replace -Wextra with
-Wold-style-declaration.
-
+
2007-01-02 Kazu Hirata <kazu@codesourcery.com>
* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
* c-common.c(c_common_nodes_and_builtins): Since variants of
void_type_node get built before it is given a name, we need to
- give those variants the name, too.
+ give those variants the name, too.
(complete_array_type): We need to work with the canonical main
type of the array, from which we will build the qualified version.
* params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
structural equality tests.
(build_array_type): Build the canonical form of an array type.
(build_function_type): Function types require structural equality,
- because they contain default arguments, attributes, etc.
+ because they contain default arguments, attributes, etc.
(build_method_type_directly): Ditto for method types.
(build_offset_type): Build the canonical offset type.
(build_complex_type): Build the canonical vector type.
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