* Makefile.in (OBJS-common): Add tree-if-conv.o
        (tree-if-conv.o): New rule.
        * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
        (get_loop_body_in_bfs_order): New.
        * cfgloop.h (get_loop_body_in_bfs_order): New.
        * tree-flow.h (enum move_pos): Move here from ..
        * tree-ssa-loop-im.c (enum move_pos): here.
        (movement_possibility): Make externally visible.
        * tree-optimize.c (init_tree_optimization_passes): New entry for
        if conversion pass.
        * tree-pass.h (pass_if_conversion): New.
        * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
        * tree-if-conv.c: New file.
        * doc/passes.texi: Document tree if-conversion pass.
        * doc/tree-ssa.texi: Same.

        testsuite:

        * gcc.dg/tree-ssa/ifc-20040816-1.c: New test.
        * gcc.dg/tree-ssa/ifc-20040816-2.c: New test.

From-SVN: r87073

2004-09-03  Kelley Cook  <kcook@gcc.gnu.org>

	* configure.ac (enable-gc-debug): Update help for new syntax.
	* configure: Regenerate.

From-SVN: r87071

From-SVN: r87069

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/14925:
	Makefile.in (LIB2ADDEHSTATIC): New.
	(LIB2ADDEHSHARED): New.
	(LIBUNWIND): New.
	(LIBUNWINDDEP): New.
	(SHLIBUNWIND_LINK): New.
	(SHLIBUNWIND_INSTALL): New.
	(libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
	LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
	(clean): Remove libunwind*
	(stage1-start): Remove and copy stage1/libunwind*.
	(stage2-start): Remove and copy stage2/libunwind*.
	(stage3-start): Remove and copy stage3/libunwind*.
	(stage4-start): Remove and copy stage4/libunwind*.
	(stageprofile-start): Remove and copy stageprofile/libunwind*.
	(stagefeedback-start): Remove and copy stagefeedback/libunwind*.

	* config.gcc (ia64*-*-linux*): Always add t-libunwind to
	tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
	tmake_file if --with-system-libunwind isn't used.

	* config/ia64/t-glibc-libunwind: New file.
	* config/t-libunwind-elf: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.

	* config/ia64/t-glibc (LIB2ADDEH): Updated.
	* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.

	* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
	aliases if needed.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.

	* config/t-libunwind (LIB2ADDEH): Updated.
	(LIB2ADDEHSTATIC): New.
	(T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
	(TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.

	* configure.ac: Change --enable-libunwind-exceptions to
	--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
	* configure: Regenerated.
	* config.in: Updated.

	* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
	above and mention --with-system-libunwind.
	(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
	removed in gcc 3.4.3 and later.

	* gcc.c (init_spec): Add -lunwind to -lgcc_s if
	USE_LIBUNWIND_EXCEPTIONS is defined.

	* mklibgcc.in: Support libunwind.

From-SVN: r87066

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
	m_NOCONA.

From-SVN: r87065

        PR middle-end/9997
        * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
        (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
	(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
        stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
        frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
        resize_stack_vars_conflict, add_stack_var_conflict,
        stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
        union_stack_vars, partition_stack_vars, dump_stack_var_partition,
        expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
        expand_one_static_var, expand_one_hard_reg_var,
        expand_one_register_var, expand_one_error_var, defer_stack_allocation,
        expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
        (expand_used_vars): Rewrite.
        * Makefile.in (cfgexpand.o): Update dependencies.

From-SVN: r87064

	* parser.c (cp_lexer_print_token): Only define if ENABLE_CHECKING set.
	Otherwise define a stub macro that expands to nothing.
	(cp_lexer_debugging_p): Only define if ENABLE_CHECKING set.  Otherwise
	define a stub macro that expands to 0.
	(cp_lexer_start_debugging): Only define if ENABLE_CHECKING set.
	(cp_lexer_stop_debugging): Likewise.
	(cp_lexer_debug_stream): Only define if ENABLE_CHECKING set.  Otherwise
	define a stub macro that expands to NULL.
	(cp_lexer_new_main): Only set debugging_p if ENABLE_CHECKING set.
	(cp_lexer_new_from_tokens): Likewise.

From-SVN: r87059

2004-09-04  Jan Hubicka  <jh@suse.cz>

	* cfg.c (free_edge): Use ggc_free.
	(expunge_block): Use ggc_free.
	* passes.c (rest_of_clean_state): Free after compilation.
	* tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
	* tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.

From-SVN: r87058

* tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
DECL_EXTERNAL check.

From-SVN: r87057

	* final.c (output_in_slot): New global variable.
	(final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
	Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
	'output_in_slot' before invoking output_asm_insn.
	(output_asm_insn): Add a space after the tab if 'output_in_slot'
	is set.
	* config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
	final_scan_insn.
	(output_sibcall): Likewise.

From-SVN: r87056

From-SVN: r87055

	* tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
	* tree-ssanames (init_ssanames): Likewise.

From-SVN: r87054

[gcc/objc/ChangeLog]
2004-09-03  Ziemowit Laski  <zlaski@apple.com>

	* config-lang.in: Update copyright notice.
	(lang_requires): Indicate that ObjC requires C to be built first.

From-SVN: r87053

2004-09-03  Janis Johnson  <janis187@us.ibm.com>

	* MAINTAINERS (Various Maintainers): Remove myself as web page
	maintainer, add myself as maintainer of build status lists.

From-SVN: r87052

[gcc/ChangeLog]
2004-09-03  Ziemowit Laski  <zlaski@apple.com>

	* stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_start_protocol,
	objc_start_class_interface, objc_start_category_interface,
	objc_continue_interface, objc_finish_interface,
	objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_build_keyword_decl,
	objc_build_method_signature, objc_build_encode_expr,
	objc_build_protocol_expr, objc_build_selector_expr,
	objc_build_message_expr, objc_build_string_object,
	objc_get_class_reference, objc_get_protocol_qualified_type,
	objc_static_init_needed_p, objc_generate_static_init_call): New stubs.

From-SVN: r87051

* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
* config/mips/generic.md (generic_frecip_fsqrt_step): New.
* config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
(mips_rsqrt2_<fmt>): Use frsqrt2 type.
(mips_recip1_<fmt>): Use frdiv1 type.
(mips_recip2_<fmt>): Use frdiv2 type.
* config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
* config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
and frsqrt1.
(ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.

From-SVN: r87050

reload.c (find_reloads): Swap operand_loc pointers for find_dummy_reload if we have swapped two operands.

	* reload.c (find_reloads): Swap operand_loc pointers for
	find_dummy_reload if we have swapped two operands.

From-SVN: r87049

cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn to get the tablejump-insn before the jump-table label.

	* config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
	to get the tablejump-insn before the jump-table label.

From-SVN: r87048

2004-09-03  David Daney  <ddaney@avtrex.com>

	* include/mips-signal.h: Update copyright.

From-SVN: r87047

[gcc/ChangeLog]
2004-09-03  Ziemowit Laski  <zlaski@apple.com>

	* c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_build_message_expr,
	objc_finish_message_expr, objc_build_selector_expr,
	objc_build_protocol_expr, objc_build_encode_expr,
	objc_build_string_object, objc_get_protocol_qualified_type,
	objc_get_class_reference, objc_get_class_ivars,
	objc_start_class_interface, objc_start_category_interface,
	objc_start_protocol, objc_continue_interface, objc_finish_interface,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_set_visibility, objc_set_method_type, objc_build_method_signature,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_add_instance_variable,
	objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
	objc_finish_try_stmt, objc_begin_catch_clause,
	objc_finish_catch_clause, objc_build_finally_clause,
	objc_build_synchronized, objc_static_init_needed_p,
	objc_generate_static_init_call): New prototypes.

From-SVN: r87046

        * intrinsics/cshift0.c (DEF_COPY_LOOP, copy_loop_int, copy_loop_long,
        copy_loop_double, copy_loop_ldouble): New.
        (__cshift0): Make shift type ssize_t.  Use % operator instead of
        div.  Use specialized versions of copy loop depending on the shape.

From-SVN: r87045

/
        * configure.in: Remove target-libstdc++-v3 from noconfigdirs for
        *-*-netware, but add target-libmudflap.
        Consolidate *-*-netware targets (of which really only i?86 exists)
        into a single entry.
        * configure: Likewise.
gcc/
        * config.gcc: Resurrect NetWare as a target. Handle special case of
        Novell linker to be used (specified through --with-ld=) and threading
        model of either Posix (default) or NKS.
        * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
        of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
        * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
        * config/i386/netware.c, config/i386/netware.h: New.
        * config/i386/nwld.c, config/i386/nwld.h: New.
        * config/i386/netware-crt0.c: New.
        * config/i386/netware-libgcc.c: New.
        * config/i386/netware-libgcc.def: New.
        * config/i386/netware-libgcc.exp: New.
        * config/i386/t-netware, config/i386/t-nwld: New.
        * gthr-nks.h: New.
        * doc/install.texi: Document NKS threading model.
gcc/cp/
        * g++spec.c (MATH_LIBRARY_PROFILE): Default to MATH_LIBRARY rather
        than "-lm".
gcc/testsuite/
        * g++.dg/abi/bitfield5.C: Use -mno-ms-bitfields.
        * g++.old-deja/g++.jason/thunk2.C: xfail for NetWare.
        * g++.old-deja/g++.law/profile1.C: xfail for NetWare.
        * g++.old-deja/g++.other/store-expr1.C: xfail for NetWare.
        * gcc.c-torture/compile/20001109-1.c: xfail for NetWare.
        * gcc.c-torture/compile/20001109-2.c: xfail for NetWare.
        * gcc.c-torture/execute/multi-ix.c: Use __builtin_bzero rather than
        the non-portable bzero.
        * gcc.dg/20010912-1.c: xfail for NetWare.
        * gcc.dg/20020426-2.c: xfail for NetWare.
        * gcc.dg/20021014-1.c: xfail for NetWare.
        * gcc.dg/20021018-1.c: xfail for NetWare.
        * gcc.dg/20030213-1.c: xfail for NetWare.
        * gcc.dg/20030225-1.c: xfail for NetWare.
        * gcc.dg/20030708-1.c: xfail for NetWare.
        * gcc.dg/builtins-config.h: Also exclude NetWare.
        * gcc.dg/format/format.h: Define restrict only if not already defined.
        * gcc.dg/nest.c: xfail for NetWare.
        * gcc.dg/special/gcsec-1.c: Don't pass -static for NetWare.
        * lib/target-supports.exp (check_visibility_available): Exclude
        NetWare.
fixincludes/
        * inclhack.def: Suppress exception_structure and math_exception
        for NetWare headers.
        * fixincl.x: Regenerate.
libstdc++-v3/
        * crossconfig.m4: Add NetWare as a target.
        * configure: Regenerate.

From-SVN: r87040

2004-09-03  David Daney  <ddaney@avtrex.com>

	* configure.host: Use -fno-use-divide-subroutine for mips*-*-linux*.
	* include/mips-signal.h: Added HANDLE_FPE support.

From-SVN: r87039

	* config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
	is only one reg.
	(ia64_function_value): Ditto.

From-SVN: r87038

        PR c/7054
        * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
        * tree.h (initial_max_fld_align): Declare
        * stor-layout.c (initial_max_fld_align): Define and initialize.
        (maximum_field_alignment): Initialize to the same value.
        * common.opt: Add -fpack-struct= variant of switch.
        * opts.c: Handle -fpack-struct= variant of switch.
        * c-pragma.c: Change #pragma pack() handling so that it becomes
        compatible to other compilers: accept individual 'push' argument,
        make final pop restore (command line) default, correct interaction
        of push/pop and sole specification of a new alignment (so that the
        sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
        to #pragma pack(push, <n>).
        * doc/extend.texi: New node "Structure-Packing Pragmas" under
        "Pragmas", describing #pragma pack.
        * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
        * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
        Document new TARGET_DEFAULT_PACK_STRUCT.
testsuite:
        * gcc.dg/pack-test-2.c: Adjust to permit and check #pragma pack(push).
        * gcc.dg/c99-flex-array-4.c: Add -fpack-struct=8 to provide a
        deterministic starting point for the alignment of structure fields.
        * gcc.dg/Wpadded.c: Dito.
        * g++.dg/abi/vbase10.C: Dito.

From-SVN: r87037

        * dwarf2out.c (gen_field_die): Equate decl number to die.
        * g++.dg/debug/pr15736.cc: New test.

From-SVN: r87036

2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/15832
	* global.c (modify_reg_pav): New function.
	(make_accurate_live_analysis): Call the new function.  Move pavin
	modification by earlyclobber set into the new function.

From-SVN: r87035

From-SVN: r87033

m68k.c (output_andsi3): Use -1 instead of (HOST_WIDE_INT)0xffffffff since CONST_INT value are always...

	* config/m68k/m68k.c (output_andsi3): Use -1 instead of
	(HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
	extended.

From-SVN: r87031

2004-09-03  Paolo Bonzini  <bonzini@gnu.org>

        * configure: Regenerate.

From-SVN: r87030

From-SVN: r87027

        * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
        * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
        not unwind code specific ones.
        (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
        Remove unwind code specific dependencies.
        (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
        Remove gbl-ctors.h.
        Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
        LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.

From-SVN: r87026

        * combine.c (try_combine): Delay modifying of insns which cannot
        be easily undone.

From-SVN: r87025

2004-09-03  David Billinghurst <David.Billinghurst@riotinto.com>

	PR fortran/16579
	* gfortran.fortran-torture/execute/intrinsic_i_char.f90:
	Delete.  Duplicate of gfortran.dg/g77/20010610.f

From-SVN: r87024

2004-09-02  Daniel Berlin  <dberlin@dberlin.org>

	* gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
	tree-loop-im.
	* gcc/tree-ssa-loop.c: Ditto
	* gcc/tree-ssa-loop-ivcanon.c: Ditto
	* gcc/doc/invoke.texi: Ditto.

From-SVN: r87023

[gcc/ChangeLog]
2004-09-02  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (store_parm_decls_newstyle): Make static.
        (store_parm_decls_from): New function.
        * c-tree.h (store_parm_decls_newstyle): Remove prototype.
        (store_parm_decls_from): New prototype.

From-SVN: r87022

        * config/rs6000/rs6000.c (expand_block_move): Use SImode and
        HImode with STRICT_ALIGNMENT.

From-SVN: r87021

	* config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
	(TARGET_OS_CPP_BUILTINS): Likewise.
	* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
	TARGET_BPABI_CPP_BUILTINS.

	* g++.dg/abi/arm_rtti1.C: New test.

	* libsupc++/typeinfo: Honor __GXX_MERGED_TYPEINFO_NAMES if already
	defined.

[[Split portion of a mixed commit.]]

From-SVN: r87018.2

From-SVN: r87005

From-SVN: r87002