From 72bb971732ec3b4df1c76fcd42184bdd854e29fa Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 29 Jul 1994 17:36:13 -0400
Subject: [PATCH] (move_block_to_reg): Do nothing if NREGS == 0.

From-SVN: r7820
---
 gcc/expr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/expr.c b/gcc/expr.c
index b6c4e554ace..61be655f54f 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1603,6 +1603,9 @@ move_block_to_reg (regno, x, nregs, mode)
   int i;
   rtx pat, last;
 
+  if (nregs == 0)
+    return;
+
   if (CONSTANT_P (x) && ! LEGITIMATE_CONSTANT_P (x))
     x = validize_mem (force_const_mem (mode, x));
 
-- 
2.30.2