tree-def (WITH_SIZE_EXPR): New.

        * tree-def (WITH_SIZE_EXPR): New.
        * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimplify.c (maybe_with_size_expr): New.
        (gimplify_arg, gimplify_modify_expr): Use it.
        (gimplify_modify_expr_to_memcpy): Take size parameter.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr): Handle WITH_SIZE_EXPR.
        * tree-alias-common.c (find_func_aliases): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-gimple.c (is_gimple_lvalue): Likewise.
        (get_call_expr_in): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        (expand_calls_inline): Likewise.
        * tree-nested.c (convert_call_expr): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-sra.c (sra_walk_expr): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-tailcall.c (find_tail_calls): Likewise.

        * calls.c (expand_call): Reset old_stack_allocated after
        calling emit_stack_restore.

        * gcc.c-torture/compile/20020210-1.c: Remove XFAIL.

From-SVN: r84833

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 302c4ee..dd1aad9 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8651,6 +8651,12 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
       expand_asm_expr (exp);
       return const0_rtx;
 
+    case WITH_SIZE_EXPR:
+      /* WITH_SIZE_EXPR expands to its first argument.  The caller should
+	 have pulled out the size to use in whatever context it needed.  */
+      return expand_expr_real (TREE_OPERAND (exp, 0), original_target, tmode,
+			       modifier, alt_rtl);
+
     default:
       return lang_hooks.expand_expr (exp, original_target, tmode,
 				     modifier, alt_rtl);