path: root/gcc/ChangeLog

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,
	m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
	rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
	Always use set_unique_reg_note to add REG_EQUAL notes.

2007-01-02  Kazu Hirata  <kazu@codesourcery.com>

	Revert:
	2007-01-02  Kazu Hirata  <kazu@codesourcery.com>

	* 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.

2007-01-02  Ian Lance Taylor  <iant@google.com>

	* c-common.c (c_common_truthvalue_conversion): When warning about
	using an assignment as a truth value, set TREE_NO_WARNING.

2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/7651
	* c.opt (Wold-style-declaration): New.
	* doc/invoke.texi (C-only Warning Options): New.
	(Wold-style-declaration): Document it.
	(Wextra): Enabled by -Wextra.
	* 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.
	* 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.

2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>

	* 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.
	(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.
	* print-tree.c (print_node): Display canonical type information
	for each type.
	* stor-layout.c (layout_type): When we don't know the
	alignment of a type for which we're building an array, we end up
	guessing wrong, so make the type require structural equality.
	* tree.c (make_node_stat): When we build a new type, it is its
	own canonical type.
	(build_type_attribute_qual_variant): When building an attribute
	variant, its canonical type is the non-attribute variant. However,
	if the attributes are target-dependent and they differ, we need to
	use structural equality checks for this type.
	(build_qualified_type): A qualified type is not equivalent to its
	unqualified variant; set the canonical type appropriately.
	(build_distinct_type_copy): When building a distinct type from
	another type, the new type is its own canonical type.
	(build_variant_type_copy): When building a new type variant, we
	assume that it is equivalent to the original type.
	(build_pointer_type_for_mode): When building a pointer type, also
	build a canonical type pointer.
	(build_reference_type_for_mode): When building a reference type,
	also build a canonical type reference.
	(build_index_type): When we can't hash an index type (e.g.,
	because its maximum value is negative), the index type requires
	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.
	(build_method_type_directly): Ditto for method types.
	(build_offset_type): Build the canonical offset type.
	(build_complex_type): Build the canonical vector type.
	(make_vector_type): Build the canonical vector type.
	* tree.h (TYPE_CANONICAL): New.
	(TYPE_STRUCTURAL_EQUALITY_P): New.
	(SET_TYPE_STRUCTURAL_EQUALITY): New.
	(struct tree_type): Added "canonical" field.
	* params.h (VERIFY_CANONICAL_TYPES): New.
	* doc/c-tree.texi (TYPE_CANONICAL): Document.
	(TYPE_STRUCTURAL_EQUALITY_P): Document.
	(SET_TYPE_STRUCTURAL_EQUALITY): Document.
	* doc/invoke.texi (verify-canonical-types): Document --param
	parameter for verifying canonical types.

2007-01-02  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
	powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
	powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
	powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
	tm_file.
	* config/rs6000/e500.h: New.
	* config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
	TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
	Remove.
	* config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
	TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
	TARGET_E500_DOUBLE): Remove.
	* config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
	TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
	* config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
	* config/rs6000/rs6000.c (rs6000_override_options): Use
	CHECK_E500_OPTIONS.

2007-01-02  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
	TARGET_E500_DOUBLE), not TARGET_E500, for %y.
	(rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
	rs6000_emit_cmove): Don't check TARGET_E500.
	* config/rs6000/rs6000.md (bunordered, bordered, sunordered,
	sordered): Don't check TARGET_E500.

2007-01-01  Eric Christopher  <echristo@apple.com>

	* config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
	HARD_REGISTER_NUM_P.

2007-01-01  Roger Sayle  <roger@eyesopen.com>

	* fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
	"X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
	has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
	eq/ne Y".

2007-01-01  Mike Stump  <mrs@apple.com>

	* configure.ac: Remove support for building with Apple's gcc-3.1.

2007-01-02  Joseph Myers  <joseph@codesourcery.com>

	PR middle-end/30311
	* caller-save.c (add_stored_regs): Only handle SUBREGs if inner
	REG is a hard register.  Do not modify REG before calling
	subreg_nregs.
	* rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
	multiple of the size of YMODE for certain lowpart cases.

2007-01-01  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/30253
	* gimplify (voidify_wrapper_expr): Update for
	GIMPLE_MODIFY_STMT.

2007-01-01  Andreas Schwab  <schwab@suse.de>

	PR target/29166
	* config/ia64/ia64.c (ia64_compute_frame_size): Account space for
	save of BR0 in extra_spill_size instead of spill_size.
	(ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
	area.
	(ia64_expand_epilogue): Restore BR0 from its new location.

2007-01-01  Andrew Pinski  <pinskia@gmail.com>

	* gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
	Use a temporary variable if the left hand side is not a gimple
	register.

2007-01-01  Andrew Pinski  <pinskia@gmail.com>

	* gimplify.c (gimplify_return_expr): Make the temporary variable
	for the return expression, a gimple register variable.

2007-01-01  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
	INSN_LIST.

2007-01-01  Mike Stump  <mrs@apple.com>

	* configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
	.literal16.
	* config/darwin.c (machopic_select_rtx_section): Use
	HAVE_GAS_LITERAL16.
	(darwin_mergeable_constant_section): Likewise.
	* configure: Regenerate.
	* config.in: Regenerate.

2007-01-01  Jan Hubicka  <jh@suse.cz>
	    Andrew Pinski  <pinskia@gmail.com>

	* cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
	before starting IPA passes.