s390x/kvm: Simplified the calculation of the SIGP order code

[qemu.git] / target-s390x / int_helper.c

diff --git a/target-s390x/int_helper.c b/target-s390x/int_helper.c
index 685830124f695a17360ce968fc55cc1692fbc9fe..85e49aafa687dc29c1cbf4338231ac7c21efeb36 100644 (file)
--- a/target-s390x/int_helper.c
+++ b/target-s390x/int_helper.c
@@ -29,14 +29,6 @@
 #define HELPER_LOG(x...)
 #endif
 
-/* 64/64 -> 128 unsigned multiplication */
-uint64_t HELPER(mul128)(CPUS390XState *env, uint64_t v1, uint64_t v2)
-{
-    uint64_t reth;
-    mulu64(&env->retxl, &reth, v1, v2);
-    return reth;
-}
-
 /* 64/32 -> 32 signed division */
 int64_t HELPER(divs32)(CPUS390XState *env, int64_t a, int64_t b64)
 {
@@ -105,8 +97,7 @@ uint64_t HELPER(divu64)(CPUS390XState *env, uint64_t ah, uint64_t al,
         ret = al / b;
     } else {
         /* ??? Move i386 idivq helper to host-utils.  */
-#if HOST_LONG_BITS == 64 && defined(__GNUC__)
-        /* assuming 64-bit hosts have __uint128_t */
+#ifdef CONFIG_INT128
         __uint128_t a = ((__uint128_t)ah << 64) | al;
         __uint128_t q = a / b;
         env->retxl = a % b;