s390x assembly pack: fix bn_mul_comba4

Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10454)

(cherry picked from commit 97a986f78289fef71bf8778dc4763458e983750c)

diff --git a/crypto/bn/asm/s390x.S b/crypto/bn/asm/s390x.S
index 292a7a9998bd470e1826aae50575d6009d034c27..b666c41a88a4020fb08ae4663846f8f1a98081d6 100644 (file)
--- a/crypto/bn/asm/s390x.S
+++ b/crypto/bn/asm/s390x.S
@@ -511,7 +511,7 @@ bn_mul_comba4:
        lghi    zero,0
 
        mul_add_c(0,0,c1,c2,c3);
-       stg     c1,0*8(%r3)
+       stg     c1,0*8(%r2)
        lghi    c1,0
 
        mul_add_c(0,1,c2,c3,c1);