2005-03-21  Paolo Bonzini  <bonzini@gnu.org>

	* rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
	* rtlhooks.c (gen_lowpart_no_emit_general): New.
	* rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
	(RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
	* simplify-rtx.c (simplify_binary_operation_1): Use it.

From-SVN: r96799

	* builtins.c (fold_builtin_1): Take decomposed arguments of
	CALL_EXPR.
	(fold_builtin): Update a call to fold_builtin_1.

From-SVN: r96798

	* builtins.c (fold_builtin_1): Take decomposed arguments of
	CALL_EXPR.

From-SVN: r96797

From-SVN: r96796

2005-03-21  Paolo Carlini  <pcarlini@suse.de>

	* g++.dg/parse/crash25.C: Fix typo.

From-SVN: r96795

From-SVN: r96790

	PR other/20564
	* gcov.c (output_lines): Only output function block summary when
	outputting branch information.
	* doc/gcov.texi: Document format of preamble and additional block
	information lines.

From-SVN: r96788

2005-03-21  Paolo Carlini  <pcarlini@suse.de>

	PR c++/20461
	* g++.dg/parse/crash24.C: New test.

	PR c++/20536
	* g++.dg/parse/crash25.C: New test.

2005-03-21  Paolo Carlini  <pcarlini@suse.de>

	PR c++/20147
	* g++.dg/ext/stmtexpr4.C: New test.

From-SVN: r96785

2005-03-21  Paolo Carlini  <pcarlini@suse.de>

	PR c++/20461
	PR c++/20536
	* init.c (emit_mem_initializers): Don't crash on undefined
	types.

2005-03-21  Paolo Carlini  <pcarlini@suse.de>

	PR c++/20147
	* semantics.c (finish_stmt_expr_expr): Return immediately
	if error_operand_p (expr).

From-SVN: r96784

From-SVN: r96782

	* libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
	(LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
	the defaults false if BITS_PER_UNIT != 8.
	(SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
	(__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
	than BITS_PER_UNIT != 8.
	(L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
	(L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
	(L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
	#undefs.
	* libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
	(__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.

From-SVN: r96778

	PR middle-end/20539
	* fold-const.c (fold_binary): Fix type mismatch between
	TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
	(fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
	for non-truth-valued expressions.

	* c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
	and FUNCTION_DECL in the main switch.
	<TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
	TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
	we also need to convert their operands to match.
	<TRUTH_NOT_EXPR>: Likewise.

	* gcc.c-torture/compile/pr13066-1.c: New test case.
	* gcc.c-torture/compile/pr20539-1.c: Likewise.
	* g++.dg/opt/pr13066-1.C: Likewise.

From-SVN: r96777

c-common.c (lvalue_or_else): Replace by lvalue_error; only give diagnostic without checking whether an lvalue.

	* c-common.c (lvalue_or_else): Replace by lvalue_error; only give
	diagnostic without checking whether an lvalue.
	* c-common.h (lvalue_p): Remove.
	(enum lvalue_use): Update comment.
	(lvalue_or_else): Replace by lvalue_error.
	* c-typeck.c (lvalue_p): Make static.
	(lvalue_or_else): New.  Call lvalue_error.

cp:
	* cp-tree.h (lvalue_or_else, lvalue_p): New.
	* typeck.c (lvalue_or_else): New.  Call lvalue_error.

From-SVN: r96776

[[Split portion of a mixed commit.]]

From-SVN: r96774.2

	* config/rs6000/rs6000.c (rs6000_parm_start): New function.
	(function_arg_advance): Use rs6000_parm_start.
	(function_arg, rs6000_arg_partial_bytes): Likewise.

From-SVN: r96771

	* c-common.c (check_case_value): Adjust comment about stripping
	NOPs.
	(handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
	* c-typeck.c (default_conversion, convert_arguments,
	build_modify_expr, convert_for_assignment, store_init_value,
	digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
	manually.  Remove inaccurate comments.

From-SVN: r96770

	* varasm.c (do_assemble_alias): Restore comment describing function.
	Annotate the target parameter as potentially unused.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r96768

	PR target/18551
	* config/avr/avr.c (avr_output_function_prologue): Do not use
	current_function_name() in a label, use a local label instead.

From-SVN: r96765

        * config/rs6000/rs6000.c (rs6000_generate_compare): Test
        flag_finite_math_only, not flag_unsafe_math_optimizations.

From-SVN: r96764

	* builtins.c (fold_builtin_1): Update a call to
	targetm.fold_builtin.
	* hooks.c (hook_tree_tree_bool_null): Rename to
	hook_tree_tree_tree_bool_null.  Take one more argument of type
	tree.
	* hooks.h: Update the prototype of hook_tree_tree_bool_null.
	* target-def.h (TARGET_FOLD_BUILTIN): Define it as
	hook_tree_tree_tree_bool_null.
	* target.h (gcc_target): Update the prototype of fold_builtin.
	* config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
	arguments of CALL_EXPR.
	* doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
	new prototype.

From-SVN: r96762

	* cgraph.h (cgraph_node): Add prev_clone pointer.
	* cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
	(cgraph_clone_node): Produce doubly linked chain.

From-SVN: r96761

	* c-common.c (handle_aligned_attribute, check_function_sentinel,
	get_nonnull_operand, handle_sentinel_attribute,
	check_function_arguments_recurse): Do not strip NOPS from
	INTEGER_CSTs.
	* c-decl.c (check_bitfield_type_and_width, build_enumerator):
	Likewise.
	* c-format.c (get_constant): Likewise.
	* c-parser.c (c_parser_postfix_expression): Likewise.
	* c-typeck.c (set_init_index): Likewise.
	(convert_arguments): Don't check for NOP_EXPR containing integer
	constant.

From-SVN: r96760

	* builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
	fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
	Take decomposed arguments of CALL_EXPR.
	(fold_builtin_1): Update calls to the functions mentioned
	above.

From-SVN: r96759

	* c-decl.c (check_bitfield_type_and_width): Require bit-field
	width to have integer type.
	(build_enumerator): Require enumerator value to have integer type.

testsuite:
	* gcc.dg/bitfld-14.c, gcc.dg/enum3.c: New tests.

From-SVN: r96755

[[Split portion of a mixed commit.]]

From-SVN: r96753.2

	* doc/extend.texi (__builtin_inf): Move statement about INFINITY
	to __builtin_inff.

From-SVN: r96748

	* c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
	std=iso9899:199x): Correct descriptions.

From-SVN: r96745

gcc:
	* config.gcc: Consistently use solaris2.1[0-9]* instead of
	solaris2.1[0-9].

libcpp:
	* configure.ac: Consistently use solaris2.1[0-9]* instead of
	solaris2.1[0-9].
	* configure: Regenerate.

From-SVN: r96743

From-SVN: r96740

fortran/
* dump-parse-tree.c (gfc_show_expr): Dump name of namespace
in which the variable is declared.

PR fortran/18525
* resolve.c (was_declared): Also check for dummy attribute.

testsuite/
PR fortran/18525
* gfortran.dg/nesting_1.f90: New test.

From-SVN: r96739

* gfortran.h (arith): Remove ARITH_0TO0.
* arith.c (gfc_arith_error): Remove handling of ARITH_0TO0.
(gfc_arith_power): Remove special casing of zero to integral
power zero.

From-SVN: r96737

	* builtins.c (fold_trunc_transparent_mathfn): Take decomposed
	arguments of CALL_EXPR.
	(fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
	fold_builtin_found, fold_builtin_1): Update calls to
	fold_trunc_transparent_mathfn.

From-SVN: r96736

	* builtins.c (fold_builtin_memcpy): Take decomposed arguments
	of CALL_EXPR.
	(expand_builtin_memcpy, fold_builtin_1): Update calls to
	fold_builtin_memcpy.

From-SVN: r96735

	PR middle-end/20493
	* fold-const.c (fold_widened_comparison): Don't optimize casts of
	function pointers on targets that require function pointer
	canonicalization.
	(fold_sign_changed_comparison): Likewise.

From-SVN: r96733

	* combine.c (try_combine): When changing the mode of a hard reg, make
	sure that doing so is valid.

From-SVN: r96730

	PR c++/20240
	* decl.c (decls_match): Compare context of VAR_DECL.

	* g++.dg/lookup/using13.C: New test.

From-SVN: r96725

	PR c++/20333
	* parser.c (cp_parser_postfix_expression) <case RID_TYPENAME>:
	Check the return value of cp_parser_nested_name_specifier.

	* g++.dg/template/crash36.C: New test.

From-SVN: r96720

	* config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
	(TARGET_HANDLE_OPTION): Override default.
	(avr_handle_option): New function.
	* config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
	(MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
	(MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
	(TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
	(TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
	(TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
	(TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
	(TARGET_OPTIONS): Delete.
	* config/avr/avr.opt: New file.

From-SVN: r96719

PR c++/19769
* dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
origin.

From-SVN: r96715

	* Make-lang.in (fortran-warn): Remove -Wno-error.
	(expr.o-warn, resolve.o-warn, simplify.o-warn,
	trans-common.o-warn): Specify -Wno-error.

From-SVN: r96714