[PATCH 4/5] arch: sh: use sign_extend64() for sign extension

[Martin Kepplinger]

Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxxxxxxxxxx>
---
 arch/sh/kernel/cpu/sh5/unwind.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh5/unwind.c b/arch/sh/kernel/cpu/sh5/unwind.c
index 10aed41..3a4fed4 100644
--- a/arch/sh/kernel/cpu/sh5/unwind.c
+++ b/arch/sh/kernel/cpu/sh5/unwind.c
@@ -159,7 +159,7 @@ static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc,
 
 			/* Sign extend */
 			regcache[dest] =
-				((((s64)(u64)op >> 10) & 0xffff) << 54) >> 54;
+				sign_extend64((((u64)op >> 10) & 0xffff), 9);
 			break;
 		case (0xd0 >> 2): /* addi */
 		case (0xd4 >> 2): /* addi.l */
-- 
2.1.4

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