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-rw-r--r--sysdeps/s390/s390-64/sub_n.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-64/sub_n.S b/sysdeps/s390/s390-64/sub_n.S
index 231ab44c1b..65d1c9f79f 100644
--- a/sysdeps/s390/s390-64/sub_n.S
+++ b/sysdeps/s390/s390-64/sub_n.S
@@ -30,6 +30,7 @@
 
 ENTRY(__mpn_sub_n)
         stg    %r6,48(%r15)   # save register 6
+	cfi_offset (%r6,-112)
         sgr    %r1,%r1
         lghi   %r0,1          # cannot use ahi to add carry, use slr
 .L0:	lg     %r6,0(%r1,%r3) # .L0 -> no carry from last sub