The returned limb was retrieved from v6 instead of v2.
This is also observable in failing testcase t-fat.
---
mpn/s390_64/z13/bdiv_dbm1c.asm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mpn/s390_64/z13/bdiv_dbm1c.asm b/mpn/s390_64/z13/bdiv_dbm1c.asm
index 76dd4ec2a..3998debe8 100644
--- a/mpn/s390_64/z13/bdiv_dbm1c.asm
+++ b/mpn/s390_64/z13/bdiv_dbm1c.asm
@@ -86,7 +86,7 @@ L(top): lg %r1, 0(idx,up)
la idx, 16(idx)
brctg n, L(top)
-L(end): vlgvg %r2, %v6, 0
+L(end): vlgvg %r2, %v2, 0
lmg %r6, %r9, 48(%r15)
br %r14
EPILOGUE()
--
2.41.0
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