* cppexp.c (lex): Update to use state.skip_eval.
	(struct op): Remove prio and flags members.
	(FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
	SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
	(LEFT_ASSOC): New macro.
	(optab): New table of operator priorities and flags.
	(SHIFT): Update.
	(_cpp_parse_expr): Clean up logic.  Return bool.  Use a
	malloc-ed parser stack.
	(reduce): New; reduce the operator stack.
	(_cpp_expand_op_stack): Expand the operator stack as necessary.
	* cpphash.h (struct op): Predeclare.
	(struct cpp_reader): New members op_stack, op_limit.
	(struct lexer_state): New member skip_eval.
	(_cpp_parse_expr): Update.
	(_cpp_expand_op_stack): New.
	* cpplib.c (do_if): Update.
	* cppinit.c (cpp_create_reader): Create op stack.
	(cpp_destroy): And destroy it.
	* cpplib.h (CPP_LAST_CPP_OP): Correct.
	(TTYPE_TABLE): Correct.
testsuite:
	* gcc.dg/cpp/if-mop.c: Update.
	* gcc.dg/cpp/if-mpar.c: Add test.
	* gcc.dg/cpp/if-oppr.c: Update.

From-SVN: r52853

From-SVN: r52845

	2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	PR c/6343
	* c-decl.c (duplicate_decls): Call merge_weak.
	* c-pragma.c (apply_pragma_weak): Warn about misuse.
	* output.h (merge_weak): Prototype merge_weak.
	* varasm.c (merge_weak): New function.
	(declare_weak): Make sure we don't give an error on VAR_DECLs.
	Mark RTL with SYMBOL_REF_WEAK.

cp:
	* decl.c (duplicate_decls): Call merge_weak.

testsuite:
	* gcc.dg/weak-[2-7].c: New tests.

From-SVN: r52844

2002-04-28  Peter Schmid  <schmid@snake.iap.physik.tu-darmstadt.de>

	* include/ext/stl_hashtable.h: Import __iterator_category

2002-04-28  Paolo Carlini  <pcarlini@unitus.it>
            Peter Schmid  <schmid@snake.iap.physik.tu-darmstadt.de>

	* testsuite/ext/hash_set.cc: New testfile.

From-SVN: r52843

From-SVN: r52842

2002-04-27  Benjamin Kosnik  <bkoz@redhat.com>

	* config/os/solaris/solaris2.5/bits/os_defines.h: Remove
	_G_USING_THUNKS.
	* config/os/solaris/solaris2.6/bits/os_defines.h: Same.
	* config/os/solaris/solaris2.7/bits/os_defines.h: Same.

From-SVN: r52838

	* parse.y (string_convert_int_cst): New function.
	(merge_string_cste): Use it.

From-SVN: r52835

tree-inline.c (inlinable_function_p): Improve heuristics by using a smoother function to cut down allowable inlinable...

        * tree-inline.c (inlinable_function_p): Improve heuristics
        by using a smoother function to cut down allowable inlinable size.
        * param.def: Add parameters max-inline-insns-single,
        max-inline-slope, min-inline-insns that determine the exact
        shape of the above function.
        * param.h: Likewise.

From-SVN: r52832

From-SVN: r52831

        * c-parse.in (malloced_yyss, malloced_yyvs): New.
        (yyoverflow): Re-add.  Set them.
        (free_parser_stacks): New.
        * c-common.h: Declare it.
        * c-lex.c (c_common_parse_file): Call it.

        * parse.y (malloced_yyss, malloced_yyvs): New.
        (yyoverflow): Re-add.  Set them.
        (free_parser_stacks): New.

From-SVN: r52827

        * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn
        for fallthru search.

From-SVN: r52826

2002-04-26  Eric Christopher  <echristo@redhat.com>

	PR optimization/3700
	* config/mips/mips.c (mips_issue_rate): Define.  New function.
	(TARGET_SCHED_ISSUE_RATE): Use.

From-SVN: r52825

	PR bootstrap/6445
	* config/i386/i386.md (untyped_call): Return the value in a float
	register if TARGET_FLOAT_RETURNS_IN_80387, not just if
	TARGET_80387.

From-SVN: r52824

2002-04-25  David S. Miller  <davem@redhat.com>

	PR target/6422
	* reorg.c (optimize_skip): Do not allow exception causing
	instructions to be considered for delay slots.
	(fill_simply_delay_slots, fill_slots_from_thread): Likewise.
	(relax_delay_slots): Do not try to consider exception causing
	instructions as redundant.

From-SVN: r52822

2002-04-25  David S. Miller  <davem@redhat.com>

	PR target/6422
	* include/dwarf2-signal.h (MAKE_THROW_FRAME for sparc*): Set
	program counter to next program counter minus 8.  Update
	comments in this macro to explain why.

From-SVN: r52820

From-SVN: r52815

	* verify.cc (construct_primitive_array_type) [void_type]: New
	case.
	(branch_prepass): Added dummy entries for unused instruction
	values.
	(verify_instructions_0): Likewise.
	* interpret.cc (continue1): Comment fix.
	* include/java-insns.h (op_xxxunusedxxx1): Removed.
	* Makefile.in: Rebuilt.
	* Makefile.am: Added -Wswitch-enum.

From-SVN: r52814

2002-04-26	Joel Sherrill <joel@OARcorp.com>

	* configure.in (h8300*-*-rtems*): Disable libf2c and libgcj.
	(sparc-*-elf*, sparc64-*-elf*): Disable libgcj.

From-SVN: r52813

        * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue.
	* gcc.dg/lvalue1.c: New.

From-SVN: r52812

	PR bootstrap/6445
	* config/i386/i386.md (untyped_call): Return the value in a float
	register if TARGET_FLOAT_RETURNS_IN_80387, not just if
	TARGET_80387.

	PR c++/6497
	* method.c (do_build_assign_ref): Pass a derivation to
	build_method_call when calling base class assignment operators.

	PR c++/6497
	* g++.dg/inherit/access2.C: New test.

	PR bootstrap/6445
	* gcc.dg/20020426-1.c: New test.

From-SVN: r52809

From-SVN: r52804

* tree.c (tree_int_cst_lt): Compare constants whose types differ
in unsigned-ness correctly.

From-SVN: r52802

	* pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the
	portable runtime model.

From-SVN: r52800

2002-04-26  Paolo Carlini  <pcarlini@unitus.it>

	* include/bits/basic_string.h (replace(__pos, __n1, __s, __n2):
	Fix and tighten __throw_length_error check.
	* testsuite/21_strings/replace.cc (test05): New.
	* testsuite/21_strings/replace.cc (test02, test03, test04): Tweak.

From-SVN: r52797

        * c-parse.in (yyoverflow): Revert.
        * parse.y (yyoverflow): Revert.

From-SVN: r52794

        * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use
        result as temporary value.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r52793

        * c-common.c (fix_string_type): Split out of ...
        (combine_strings): ... here.  Take a varray, not a tree list.
        (c_expand_builtin_printf): Use fix_string_type.
        * c-common.h: Update decls.
        * c-parse.in (string): Remove.  Update all uses to use STRING
        instead, and not call combine_strings.
        (yylexstring): New.
        (_yylex): Use it.
        * c-typeck.c (simple_asm_stmt): Don't call combine_strings.
        (build_asm_stmt): Likewise.
        * objc/objc-act.c (my_build_string): Use fix_string_type.
        (build_objc_string_object): Build varray for combine_strings.

        * parse.y (string): Remove.  Update all uses to use STRING
        instead, and not call combine_strings.
        * rtti.c (tinfo_name): Use fix_string_type.
        * semantics.c (finish_asm_stmt): Don't call combine_strings.
        * spew.c (yylexstring): New.
        (read_token): Use it.

	* g++.dg/parse/concat1.C: New.
	* gcc.dg/concat2.c: New.

From-SVN: r52790

From-SVN: r52787

From-SVN: r52786

2002-04-26  Bo Thorsen  <bo@suse.co.uk>

	* config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
	x86-64.

From-SVN: r52781

	* cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
	(HAVE_NO_R_OPERAND): Remove.
	(HAVE_VALUE): Remove.
	(op_to_prio): Update.
	(UNARY): Don't alter flags.
	(_cpp_parse_expr): want_value used to indicate whether
	a number or unary operator is expected next.  Distinguish
	unary and binary +/-.
	(op_as_text): Update for unary operators.

From-SVN: r52780

	* c-parse.in (yyoverflow): New.
	* cp/parse.y (yyoverflow): New.
	* g++.dg/parse/stack1.C: New.
	* gcc.dg/20020425-1.c: New.

From-SVN: r52779

        PR c/2098
        * c-common.c (shorten_compare): Simplfy conditions leading to
        the generation of a warning.

	* gcc.dg/compare6.c: New.

From-SVN: r52778

        PR c/2035
        * expmed.c (extract_bit_field): Fall through to generic code rather
        than aborting on subreg special case.

From-SVN: r52777

2002-04-25  David S. Miller  <davem@redhat.com>

	* config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check
	for DECL being NULL.

From-SVN: r52776

	2002-04-25  Steve Christiansen  <smc@us.ibm.com>
	* doc/md.texi (Machine Constraints): Add IA-64 constraints.

From-SVN: r52774

c-decl.c (grokdeclarator): Remove outdated ??? note on invalid declaration of flexible array members.

        * c-decl.c (grokdeclarator): Remove outdated ??? note
        on invalid declaration of flexible array members.

From-SVN: r52772

From-SVN: r52771

From-SVN: r52769

* config/s390/s390.c (s390_emit_epilogue): Always restore registers
needed by the compiler, even if they are used as global regs.

From-SVN: r52768