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-rw-r--r--sysdeps/sh/memset.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/sh/memset.S b/sysdeps/sh/memset.S
index ca23449367..9a8e2efd96 100644
--- a/sysdeps/sh/memset.S
+++ b/sysdeps/sh/memset.S
@@ -28,6 +28,7 @@ ENTRY(memset)
 	bt.s	L_byte_loop_init
 	mov	r4,r7
 
+	extu.b	r5,r5
 	swap.b	r5,r1
 	or	r1,r5
 	swap.w	r5,r1