1 files changed, 4 insertions, 34 deletions

diff --git a/target/s390x/tcg/cc_helper.c b/target/s390x/tcg/cc_helper.c
index c2c96c3a3c..8d04097f78 100644
--- a/target/s390x/tcg/cc_helper.c
+++ b/target/s390x/tcg/cc_helper.c
@@ -268,36 +268,9 @@ static uint32_t cc_calc_icm(uint64_t mask, uint64_t val)
     }
 }
 
-static uint32_t cc_calc_sla_32(uint32_t src, int shift)
+static uint32_t cc_calc_sla(uint64_t src, int shift)
 {
-    uint32_t mask = ((1U << shift) - 1U) << (32 - shift);
-    uint32_t sign = 1U << 31;
-    uint32_t match;
-    int32_t r;
-
-    /* Check if the sign bit stays the same.  */
-    if (src & sign) {
-        match = mask;
-    } else {
-        match = 0;
-    }
-    if ((src & mask) != match) {
-        /* Overflow.  */
-        return 3;
-    }
-
-    r = ((src << shift) & ~sign) | (src & sign);
-    if (r == 0) {
-        return 0;
-    } else if (r < 0) {
-        return 1;
-    }
-    return 2;
-}
-
-static uint32_t cc_calc_sla_64(uint64_t src, int shift)
-{
-    uint64_t mask = ((1ULL << shift) - 1ULL) << (64 - shift);
+    uint64_t mask = -1ULL << (63 - shift);
     uint64_t sign = 1ULL << 63;
     uint64_t match;
     int64_t r;
@@ -459,11 +432,8 @@ static uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op,
     case CC_OP_ICM:
         r =  cc_calc_icm(src, dst);
         break;
-    case CC_OP_SLA_32:
-        r =  cc_calc_sla_32(src, dst);
-        break;
-    case CC_OP_SLA_64:
-        r =  cc_calc_sla_64(src, dst);
+    case CC_OP_SLA:
+        r =  cc_calc_sla(src, dst);
         break;
     case CC_OP_FLOGR:
         r = cc_calc_flogr(dst);