PR c++/5748
	* stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
	decl if any of elements was TREE_USED.

	* g++.dg/opt/anonunion1.C: New test.

From-SVN: r49971

* config/sparc/sol2.h: Don't include sys/mman.h.
* config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
(arith_4096_operand): Don't throw high bits away.
(const64_operand): Take sign extension of CONST_INTs into account.
(const64_high_operand, sparc_emit_set_const32): Likewise.
(GEN_HIGHINT64): Likewise.
(sparc_emit_set_const64_quick1): Likewise.
(const64_is_2insns): Likewise.
(print_operand): Use trunc_int_for_mode for sign extension.
* config/sparc/sparc.h (SMALL_INT32): Likewise.
* config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
chars.  Assume CONST_INT is already properly sign-extended.
(movdi split): Sign-extend each SImode part.
(andsi3 split): Don't mask high bits off, so that result
remains properly sign-extend.
(iorsi3 split): Likewise.
(xorsi3 split): Likewise.

From-SVN: r49970

	PR other/5746
	* semantics.c (finish_switch_cond): Don't call get_unwidened
	if error_mark_node.

From-SVN: r49969

include:
Allow the user to specify functions for allocating memory for
splay tree roots and nodes.
* splay-tree.h (splay_tree_allocate_fn, splay_tree_deallocate_fn):
New types.
(splay_tree): New fields: `allocate', `deallocate', and
`allocate_data'.
(splay_tree_new_with_allocator): New function declaration.

libiberty:
* splay-tree.c (splay_tree_xmalloc_allocate,
splay_tree_xmalloc_deallocate): New functions.
(splay_tree_new): Call splay_tree_new_with_allocator, passing the
above functions and a dummy data pointer.
(splay_tree_new_with_allocator): New function.
(splay_tree_delete_helper, splay_tree_delete, splay_tree_insert,
splay_tree_remove): Use the splay tree's allocation and
deallocation functions.

From-SVN: r49968

parse.y (patch_method_invocation): Set CAN_COMPLETE_NORMALLY on call to finit$ (otherwise generate_bytecode_insns...


	* parse.y (patch_method_invocation): Set CAN_COMPLETE_NORMALLY on call
	to finit$ (otherwise generate_bytecode_insns drops it). However, we
	don't need to set it on the COMPOUND_EXPR - the caller does that.

From-SVN: r49966

Connection.java (conect): Open the input and/or output streams immediately here, instead of using File.exists.


	* gnu/gcj/protocol/file/Connection.java (conect):  Open the input
	and/or output streams immediately here, instead of using File.exists.
	(inputStream, outputStream):  New fields to save open streams.
	(getInputStream, getOutputStream):  Use already-opened streams.

From-SVN: r49965

2002-02-21  Benjamin Kosnik  <bkoz@redhat.com>

	* configure.in (target_alias): Default to yes.
	* acinclude.m4 (GLIBCPP_ENABLE_SYMVERS): Add check for shared
	libgcc to default case.

From-SVN: r49962

cp:
	PR c++/2645, DR 295
	* cp-tree.h (tsubst_flags_t): Add tf_ignore_bad_quals,
	tf_keep_type_decl.
	(make_typename_type): Use tsubst_flags_t.
	* decl.c (make_typename_type): Adjust. Return non-artificial
	TYPE_DECLs, if required.
	(grokdeclarator): Simplify CVR qualification handling. Allow bad
	qualifiers on typedef types.
	* decl2.c (handle_class_head): Adjust make_typename_type call.
	* parse.y (nested_name_specifier): Likewise.
	(typename_sub0): Likewise.
	(typename_sub1): Likewise.
	* pt.c (convert_template_argument): Adjust make_typename_type
	return value.
	(tsubst): Adjust cp_build_qualified_type_real calls.
	(check_cv_quals_for_unify): Cope with alowing bad qualifications
	on template type parms.
	(instantiate_decl): Recheck substitutions to give warnings on bad
	qualifications.
	* tree.c (cp_build_qualified_type_real): Use tf_allow_bad_quals.
testsuite:
	* g++.dg/template/qualttp19.C: New test.
	* g++.dg/template/qualttp20.C: New test.
	* g++.old-deja/g++.jason/report.C: Adjust expected errors
	* g++.old-deja/g++.other/qual1.C: Likewise.

From-SVN: r49961

From-SVN: r49960

2002-02-21  Benjamin Kosnik  <bkoz@redhat.com>

	* configure.in (target_alias): Default to yes.
	* acinclude.m4 (GLIBCPP_ENABLE_SYMVERS): Add check for shared
	libgcc to default case.

From-SVN: r49959

From-SVN: r49957

From-SVN: r49956

From-SVN: r49955

* acinclude.m4 (LIB_AC_PROG_CXX): Copied from libstdc++-v3.
Use it.
* Makefile.am (LIBLINK): Use CXX (and its tag) for linking.
* aclocal.m4, configure, Makefile.in: Rebuilt.

From-SVN: r49954

* configure.in (CXX_FOR_TARGET): Add -shared-libgcc for
libstdc++-v3 and libjava.

From-SVN: r49953

[[Split portion of a mixed commit.]]

From-SVN: r49952.2

	* gcc_release: Correct handling of diff-generation.  Add
	"diffs" major mode.

[[Split portion of a mixed commit.]]

From-SVN: r49951.2

From-SVN: r49949

From-SVN: r49948

2002-02-21  Aldy Hernandez  <aldyh@redhat.com>

        * gcc.dg/attr-alwaysinline.c: New.

        * c-common.c (c_common_post_options): Set inline trees by
        default.

        * doc/extend.texi (Function Attributes): Document always_inline
        attribute.
        Update documentation about inlining when not optimizing.

        * cp/decl.c (duplicate_decls): Merge always_inline attribute.

        * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.
        (c_disregard_inline_limits): Disregard if always_inline set.

        * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
        Disregard if always_inline set.
        (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * attribs.c (handle_always_inline_attribute): New.
        (c_common_attribute_table): Add always_inline.

        * config/rs6000/altivec.h: Add prototypes for builtins
        requiring the always_inline attribute.

From-SVN: r49947

2002-02-21  Eric Christopher  <echristo@redhat.com>

	* expmed.c (store_bit_field): Try to simplify the subreg
	before generating a new one when when the mode size of
	value is less than maxmode.

From-SVN: r49946

        * emit-rtl.c (offset_address): Use simplify_gen_binary rather
        than gen_rtx_PLUS to form the sum.
        * explow.c (force_reg): Rearrange to not allocate new pseudo
        when force_operand returns a register.
        * expr.c (expand_assignment): Allow offset_rtx expansion to
        return a sum.  Do not force addresses into registers.
        (expand_expr): Likewise.
        * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
        to canonicalize arithmetic that didn't simpify.
        (simplify_plus_minus): New argument force; update
        all callers.  Don't split CONST unless we can do something with it,
        and wouldn't lose the constness of the operands.

        * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
        that we generated earlier.

From-SVN: r49945

	* dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
	(output_line_info): Use constant `1', with a long explanatory
	comment.
	* system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.

From-SVN: r49944

	* jump.c (redirect_jump): If old label has no UID, don't try to
	delete it.

From-SVN: r49943

	* sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
	If input is constant, do shifts at compile time.

From-SVN: r49942

From-SVN: r49941

	PR optimization/4994
	* config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
	register moves.

	* g++.dg/opt/mmx1.C: New test.

From-SVN: r49939

	PR c++/4574
	* expr.h (expand_and): Add mode argument.
	* expmed.c (expand_and): Add mode argument.
	(expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
	* expr.c (store_field, expand_expr, do_store_flag): Likewise.
	* except.c (expand_builtin_extract_return_addr): Likewise.
	* config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
	* config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
	* config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
	Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
	* config/c4x/c4x.md: Use GEN_INT (x) instead of
	gen_rtx (CONST_INT, VOIDmode, x).

	* gcc.dg/20020220-1.c: New test.

From-SVN: r49938

	PR c/4697:
	* stmt.c (warn_if_unused_value): Move side effects test once more.

	* gcc.dg/20020220-2.c: New test.

From-SVN: r49937

	* config/avr/avr.md: Add more patterns for mized-mode add and subtract
        (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).

From-SVN: r49936

* rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
SUBREG or ZERO_EXTEND.

From-SVN: r49935

2002-02-21  Andreas Tobler  <toa@pop.agri.ch>

        * src/powerpc/ffi_darwin.c (ffi_prep_args): Skip appropriate
        number of GPRs for floating-point arguments.

From-SVN: r49934

	* sh.h (current_function_anonymous_args): Remove.
	(SETUP_INCOMING_VARARGS): Don't set it - just check that one
	of current_function_varargs and current_function_stdarg is set.
	* sh.c (sh_expand_prologue): Check current_function_varargs /
	current_function_stdarg / TARGET_SH5 instead of
	current_function_anonymous_args.

	* sh64.h (TARGET_VERSION): Define.

Fix comments that to refer to SH architecture -
the architecture is no longer exclusive to Hitachi.

From-SVN: r49931

	* Makefile.am (libgcj.jar:): Change to -CLASSPATH
	(.class.h:): Ditto.
	(java/lang/ClassLoader.h:): Ditto.
	(java/lang/Thread.h:): Ditto.
	(java/lang/String.h:): Ditto.
	(java/lang/reflect/Constructor.h:): Ditto.
	(java/lang/reflect/Field.h:): Ditto.
	(java/lang/reflect/Method.h:): Ditto.
	(gnu/gcj/runtime/VMClassLoader.h:): Ditto.
	(java/io/ObjectInputStream$$GetField.h:): Ditto.
	(java/io/ObjectOutputStream$$PutField.h:): Ditto.
	* Makefile.in: Rebuilt with libgcj Automake.

From-SVN: r49927

From-SVN: r49925

From-SVN: r49924

2002-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
        VRSAVE_REGNO on TARGET_ALTIVEC.

2002-02-20  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
        bits of SImode const_int.
        (includes_rshift_p): Likewise.
        (print_operand): Call mask_operand and mask64_operand with correct
        mode.
        (rs6000_output_function_epilogue): Pad traceback table to word.
        * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
        (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
        mask64_operand with correct mode.
        (RETURN_IN_MEMORY): Use HOST_WIDE_INT, not HOST_WIDEST_INT.
        (FUNCTION_ARG_REGNO_P): Correct parentheses.

From-SVN: r49923

	* gcj.texi: Option `--classpath' becomes `--CLASSPATH.'Option
 	`--CLASSPATH' becomes `--classpath.'
	* gjavah.c: Likewise.
	* jcf-dump.c: Likewise.
	* lang-options.h: Likewise.
	* lang.c: Likewise.
	* jcf-path.c: Updated comment.
	(jcf_path_classpath_arg): Renamed `jcf_path_CLASSPATH_arg.'
	(jcf_path_CLASSPATH_arg): Renamed `jcf_path_classpath_arg.'
	* jcf.h (jcf_path_CLASSPATH_arg): Ditto.
	(jcf_path_CLASSPATH_arg): Ditto.
	(classpath_u): Updated leading comment.

From-SVN: r49922

	PR debug/4461
	* varasm.c (get_pool_constant_mark): New.
	* rtl.h (get_pool_constant_mark): Add prototype.
	* dwarf2out.c (mem_loc_descriptor): A pool constant cannot
	be represented if it has not been output.

	* gcc.dg/debug/20020220-1.c: New test.

From-SVN: r49921

* combine.c (do_SUBST): Sanity check substitutions of
CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
(subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
CONST_INT into its operand.
(known_cond): Likewise, for ZERO_EXTEND.
* simplify-rtx.c (simplify_unary_operation): Fix condition to
allow for simplification of wide modes.  Reject CONST_INTs in
ZERO_EXTEND when their actual mode is not given.

From-SVN: r49920