The LT instruction was added in the extended immediate facility
introduced with the z9-109 processor.

Reported-by: Michael Tokarev <m...@tls.msk.ru>
Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
 linux-user/host/s390x/safe-syscall.inc.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/linux-user/host/s390x/safe-syscall.inc.S 
b/linux-user/host/s390x/safe-syscall.inc.S
index f1b446a..61d75dc 100644
--- a/linux-user/host/s390x/safe-syscall.inc.S
+++ b/linux-user/host/s390x/safe-syscall.inc.S
@@ -72,7 +72,8 @@ safe_syscall_base:
         */
 safe_syscall_start:
        /* if signal_pending is non-zero, don't do the call */
-       lt      %r0,0(%r8)
+       l       %r0,0(%r8)
+       ltr     %r0,%r0
        jne     2f
        svc     0
 safe_syscall_end:
-- 
2.7.4


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