gcc/
	PR tree-optimization/21294
	* tree-vrp.c (vrp_expr_computes_nonzero): New.
	(extract_range_from_expr): Call vrp_expr_computes_nonzero.

testsuite/
	PR tree-optimization/21294
	* gcc.dg/tree-ssa/pr21294.c: New.

From-SVN: r99111

re PR middle-end/19985 (executables created with -fprofile-arcs -ftest-coverage segfault in gcov_exit ())

	PR 19985
	* gcov-io.h: Declare gcov external functions hidden.

From-SVN: r99109

	* tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
	out common code.

From-SVN: r99105

	* tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
	record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
	Use VEC instead of VARRAY.
	(equiv_free): New.

From-SVN: r99104

2005-05-02  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (resolve_overloaded_builtin): Forward to target
        hook for BUILT_IN_MD built-ins.
        * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
        for all types of built-in.
        * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
        in the definition of the target hooks struct.
        * target.h (struct gcc_target): Add resolve_overloaded_builtin.
        * config/rs6000/altivec.h: Rewritten.
        * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
        altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
        rs6000_builtin_type, rs6000_builtin_type_compatible,
        altivec_overloaded_builtins, rs6000_builtin_type,
        rs6000_builtin_type_compatible): New.
        * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
        New.
        (def_builtin): Turn into a function.  Check for duplicates and store
        the builtin into rs6000_builtin_decls.
        (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
        bdesc_1arg): Add overloaded builtins.
        (altivec_expand_builtin): Check for unresolved overloaded builtins,
        do not support ALTIVEC_COMPILETIME_ERROR.
        (rs6000_init_builtins): Add opaque 128-bit vector, and internal
        nodes to represent front-end types.
        (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
        with opaque arguments and/or return values.
        * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
        ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
        (rs6000_builtin_type_index): New.
        (is_ev64_opaque_type): Rename to...
        (rs6000_is_opaque_type): ... this.
        (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
        target hook.

cp:
2005-05-02  Paolo Bonzini  <bonzini@gnu.org>

        * semantics.c (finish_call_expr): Call resolve_overloaded_builtin
        for BUILT_IN_MD built-ins.

testsuite:
2005-05-02  Paolo Bonzini  <bonzini@gnu.org>

        * gcc.dg/altivec-3.c (vec_store): Do not use the old
        __builtin_altivec_st_internal_4si built-in.

From-SVN: r99103

	PR c++/15875
	* g++.dg/template/ptrmem14.C: New test.

From-SVN: r99100

	* function.c (reorder_blocks, reorder_blocks_1): Use VEC
	instead of VARRAY.

From-SVN: r99099

	* config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
	print_address_operand, print_operand, legitimize_pic_address,
	asm_conditional_branch, bfin_gen_compare, output_push_multiple,
	output_pop_multiple): Use gcc_assert or gcc_unreachable as
	appropriate.
	* config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.

Co-Authored-By: Bernd Schmidt <bernd.schmidt@analog.com>

From-SVN: r99096

2005-05-02  Paul Brook  <paul@codesourcery.com>

	* gcc.c-torture/execute/20000523-1.c: Fix bytes/bits thinko.

From-SVN: r99095

From-SVN: r99094

	* tree-scalar-evolution.c (get_exit_conditions_rec,
	select_loops_exit_conditions,
	number_of_iterations_for_all_loops,
	analyze_scalar_evolution_for_all_loop_phi_nodes,
	scev_analysis): Use VEC instead of VARRAY.

From-SVN: r99093

        PR c++/19542
        * c-common.c (c_common_nodes_and_builtins): Create global null_node.
        (warn_strict_null_sentinel): Define.
        (check_function_sentinel): Check for null_node as valid sentinel too.
        * c-common.h (c_tree_index): Added CTI_NULL.
        (null_node) Define global_tree[CTI_NULL].
        (warn_strict_null_sentinel): Declare.
        * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
        * c.opt: (Wstrict-null-sentinel): New C++ option.
        * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.

        * cp-tree.h (cp_tree_index): Remove CPTI_NULL, to be defined in C
        common frontend.
        (null_node): Remove.
        * lex.c (cxx_init): Move null_node initialisation to C common frontend.

        * g++.dg/warn/sentinel.C: New testcase for __null sentinels added.

From-SVN: r99091

[[Split portion of a mixed commit.]]

From-SVN: r99089.2

	* dwarf2out.c (decl_scope_table, push_decl_scope,
	pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
	instead of VARRAY.

From-SVN: r99086

From-SVN: r99085

	* gimplify.c (gimplify_compound_lval): Use VEC instead of
	VARRAY.

From-SVN: r99083

2005-05-01  Mark Mitchell  <mark@codesourcery.com>

        PR C++/14391
        * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
        if !flag_weak.
        * doc/cpp.texi (__DEPRECATED): Document.
        (__EXCEPTIONS): Likewise.
        (__GXX_WEAK__): Likewise.

From-SVN: r99082

	* c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
	if !flag_weak.
	* doc/cpp.texi (__DEPRECATED): Document.
	(__EXCEPTIONS): Likewise.
	(__GXX_WEAK__): Likewise.

	* g++.dg/cpp/weak.C: New test.

From-SVN: r99080

	* function.c (INVOKE__main): Do not define.
	(expand_main_function): Check HAS_INIT_SECTION when determining
	whether or not to call __main.

From-SVN: r99076

2005-05-01  Paolo Carlini  <pcarlini@suse.de>

	* config/os/aix/os_defines.h: Remove obsolete __off_t,
	__off64_t, __ssize_t defines.
	* config/os/djgpp/os_defines.h: Likewise.
	* config/os/hpux/os_defines.h: Likewise.
	* config/os/irix/irix5.2/os_defines.h: Likewise.
	* config/os/irix/irix6.5/os_defines.h: Likewise.
	* config/os/solaris/solaris2.5/os_defines.h: Likewise.
	* config/os/solaris/solaris2.6/os_defines.h: Likewise.
	* config/os/solaris/solaris2.7/os_defines.h: Likewise.
	* docs/html/17_intro/porting.html: Don't discuss the defines.
	* docs/html/17_intro/porting.texi: Likewise.

From-SVN: r99072

From-SVN: r99071

2005-01-05  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
	(INITIALIZE_TRAMPOLINE): Use it.
	* config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
	* config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
	* config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.

From-SVN: r99068

	* doc/install.texi (Specific): Omit dots in the @anchors names
	for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
	Omit underscores for x86_64-*-* and the "all ELF targets" entry.

From-SVN: r99067

From-SVN: r99064

	PR tree-optimization/18316
	PR tree-optimization/19126
	* tree.c (build_int_cst_type): Avoid shift by size of type.
	* tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
	argument.
	* tree-scalar-evolution.h (simple_iv): Declaration changed.
	* tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
	field.
	(dump_cand): Dump depends_on information.
	(determine_biv_step): Add argument to simple_iv call.
	(contains_abnormal_ssa_name_p): Handle case expr == NULL.
	(find_bivs, find_givs_in_stmt_scev): Do not require step to be a
	constant.
	(add_candidate_1): Record depends_on for candidates.
	(tree_int_cst_sign_bit, constant_multiple_of): New functions.
	(get_computation_at, get_computation_cost_at, may_eliminate_iv):
	Handle ivs with nonconstant step.
	(iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
	(iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
	(create_new_iv): Unshare the step before passing it to create_iv.
	(free_loop_data): Free cand->depends_on.
	(build_addr_strip_iref): New function.
	(find_interesting_uses_address): Use build_addr_strip_iref.
	(strip_offset_1): Split the recursive part from strip_offset.
	Strip constant offset component_refs and array_refs.
	(strip_offset): Split the recursive part to strip_offset_1.
	(add_address_candidates): Removed.
	(add_derived_ivs_candidates): Do not use add_address_candidates.
	(add_iv_value_candidates): Add candidates with stripped constant
	offset.  Consider all candidates with initial value 0 important.
	(struct affine_tree_combination): New.
	(aff_combination_const, aff_combination_elt, aff_combination_scale,
	aff_combination_add_elt, aff_combination_add,
	tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
	fold_affine_sum): New functions.
	(get_computation_at): Use fold_affine_sum.
	* tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
	to simple_iv call.

	* gcc.dg/tree-ssa/loop-8.c: New test.

From-SVN: r99059

        * config/i386/i386.md (movmemsi): Also active when
        TARGET_INLINE_ALL_STRINGOPS.
        * gcc.dg/inline-mcpy.c: New test.

From-SVN: r99054

[[Split portion of a mixed commit.]]

From-SVN: r99052.2

2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/18958
        libgfortran.h:  Change typedef of index_type from size_t
        to ssize_t.

2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/18958
        * gfortran.dg/eoshift.f90:  New test case.

From-SVN: r99047

re PR target/20633 ([4.0 only] libgcc2.c:1623: error: size of array 'compile_type_assert' is negative)

	PR bootstrap/20633
	* config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).

From-SVN: r99046

2005-04-30  Paul Brook  <paul@codesourcery.com>

	* config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
	thumb mode.
	* config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
	* config/arm/ieee754-sf.S: Ditto.
	* config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
	(FUNC_ALIAS): Use .thumb_set for thumb routines.

From-SVN: r99043

From-SVN: r99041

	* tree-ssanames.c: Fix a comment typo.
	* doc/options.texi: Fix a typo.

From-SVN: r99038

	* config/h8300/h8300.c (byte_reg): Use gcc_assert and
	gcc_unreachable as appropriate.
	(split_adds_subs, cond_string, print_operand,
	h8300_initial_elimination_offset, h8300_classify_operand,
	h8300_unary_length, h8300_short_immediate_length,
	h8300_bitfield_length, h8300_binary_length,
	h8300_insn_length_from_table, compute_mov_length, output_plussi,
	compute_plussi_length, compute_plussi_cc, output_logical_op,
	compute_logical_op_length, compute_logical_op_cc,
	output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
	output_a_shift, compute_a_shift_length, compute_a_shift_cc,
	output_a_rotate, compute_a_rotate_length, fix_bit_operand,
	h8300_regs_ok_for_stm): Likewise.
	* config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
	monitor_prologue): Likewise.

From-SVN: r99037

	* loop-invariant.c (invariants, create_new_invariant,
	get_inv_cost, best_gain_for_invariant,
	find_invariants_to_move, move_invariants,
	init_inv_motion_data, free_inv_motion_data): Use VEC instead
	of VARRAY.

From-SVN: r99035

2005-04-29  Paolo Carlini  <pcarlini@suse.de>
	    Nathan Myers  <ncm@cantrip.org>

	PR libstdc++/21286
	* include/bits/fstream.tcc (basic_filebuf<>::xsgetn):
	Loop on short reads; remove the work-around for
	libstdc++/20806, not needed anymore.

Co-Authored-By: Nathan Myers <ncm@cantrip.org>

From-SVN: r99033

        * function.c (instantiate_decls): Remove valid_only argument.
        (instantiate_decls_1, instantiate_decl): Likewise.
        (instantiate_virtual_regs_1): Delete.
        (instantiate_virtual_regs_lossage): Delete.
        (instantiate_virtual_regs_in_rtx): New.
        (safe_insn_predicate): New.
        (instantiate_virtual_regs_in_insn): New.
        (instantiate_virtual_regs): Update to match all that.  Only run
        instantiate_decls once.

From-SVN: r99032

[[Split portion of a mixed commit.]]

From-SVN: r99028.2

	* java/net/NetworkInterface.java
	(static): Removed.
	(NetworkInterface(String,InetAddress)): Made package-private.
	(NetworkInterface(String,InetAddress[])): New constructor.
	(getRealNetworkInterfaces): Removed.
	(getByName): Use VMNetworkInterface.getInterfaces().
	(getByInetAddress): Likewise.
	(getNetworkInterfaces): Likewise.
	* java/net/VMNetworkInterface.java,
	java/net/natVMNetworkInterfaceNoNet.cc,
	java/net/natVMNetworkInterfacePosix.c,c
	java/net/natVMNetworkInterfaceWin32.cc: New files.
	* java/net/natNetworkInterfaceNoNet.cc,
	java/net/natNetworkInterfacePosix.cc,
	 java/net/natNetworkInterfaceWin32.cc: Removed.
	* configure.ac
	* Makefile.am
	* configure, Makefile.in: Regenerated.

From-SVN: r99021

        * gengtype.c (write_func_for_structure): Split out ...
        (output_type_enum): ... new function.  Fix thinko accessing
        TYPE_PARAM_STRUCT data.

Co-Authored-By: Daniel Jacobowitz <dan@codesourcery.com>

From-SVN: r99020

gcc:
	* tree.c (build_block): Removed unused 'tags' argument.
	* tree.h (build_block): Removed argument.
gcc/java:
	* expr.c (build_jni_stub): Updated for change to build_block.
gcc/treelang:
	* treetree.c (poplevel): Updated for change to build_block.
gcc/fortran:
	* f95-lang.c (poplevel): Updated for change to build_block.

From-SVN: r99019