re PR target/13789 ([tree-ssa] ICE on _builtin_expect_addr)

        PR target/13789
        * expr.c (store_expr): Use force_operand before emit_move_insn.

From-SVN: r77158

gcc/ChangeLog

+2004-02-02  Richard Henderson  <rth@redhat.com>
+
+        PR target/13789
+        * expr.c (store_expr): Use force_operand before emit_move_insn.
+
 2004-02-02  Jeff Law  <law@redhat.com>
 	    Roger Sayle  <roger@eyesopen.com>
 

gcc/expr.c

@@ -4334,7 +4334,11 @@ store_expr (tree exp, rtx target, int want_value)
 			 (want_value & 2
 			  ? BLOCK_OP_CALL_PARM : BLOCK_OP_NORMAL));
       else
-	emit_move_insn (target, temp);
+	{
+	  temp = force_operand (temp, target);
+	  if (temp != target)
+	    emit_move_insn (target, temp);
+	}
     }
 
   /* If we don't want a value, return NULL_RTX.  */

gcc/testsuite/gcc.c-torture/compile/20040202-1.c

+/* PR target/13789 */
+/* Failed on SPARC due to a bug in store_expr.  */
+
+void *foo (void *c)
+{
+  void *a = __builtin_extract_return_addr (c);
+  return a;
+}