diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 1b25b57c8c05007fcd4e73fb30c4cbb37f30a539..58f7ad617992fcf1b3c195ffa9f6c9392e637727 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -633,9 +633,7 @@ ENTRY(_ret_from_exception)
 	[sp + PT_IPEND] = r0;
 
 1:
-	r1 = 0x37(Z);
-	r2 = ~r1;
-	r2.h = 0;
+	r2 = LO(~0x37) (Z);
 	r0 = r2 & r0;
 	cc = r0 == 0;
 	if !cc jump 4f;	/* if not return to user mode, get out */