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-rw-r--r--sysdeps/s390/s390-32/sub_n.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-32/sub_n.S b/sysdeps/s390/s390-32/sub_n.S
index 1241b1bbd4..058183bc8b 100644
--- a/sysdeps/s390/s390-32/sub_n.S
+++ b/sysdeps/s390/s390-32/sub_n.S
@@ -32,6 +32,7 @@
 
 ENTRY(__mpn_sub_n)
 	st     %r6,24(%r15)   # save register 6
+	cfi_offset (%r6, -72)
 	sr     %r1,%r1
 	lhi    %r0,1          # cannot use ahi to add carry, use slr
 .L0:    l      %r6,0(%r1,%r3) # .L0 -> no carry from last sub