1 files changed, 2 insertions, 57 deletions
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
index 7a205eb9fa..8e4537f5b7 100644
--- a/target-alpha/int_helper.c
+++ b/target-alpha/int_helper.c
@@ -249,64 +249,9 @@ uint64_t helper_unpkbw(uint64_t op1)
             | ((op1 & 0xff000000) << 24));
 }
 
-uint64_t helper_addqv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
+void helper_check_overflow(CPUAlphaState *env, uint64_t op1, uint64_t op2)
 {
-    uint64_t tmp = op1;
-    op1 += op2;
-    if (unlikely((tmp ^ op2 ^ (-1ULL)) & (tmp ^ op1) & (1ULL << 63))) {
+    if (unlikely(op1 != op2)) {
         arith_excp(env, GETPC(), EXC_M_IOV, 0);
     }
-    return op1;
-}
-
-uint64_t helper_addlv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
-{
-    uint64_t tmp = op1;
-    op1 = (uint32_t)(op1 + op2);
-    if (unlikely((tmp ^ op2 ^ (-1UL)) & (tmp ^ op1) & (1UL << 31))) {
-        arith_excp(env, GETPC(), EXC_M_IOV, 0);
-    }
-    return op1;
-}
-
-uint64_t helper_subqv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
-{
-    uint64_t res;
-    res = op1 - op2;
-    if (unlikely((op1 ^ op2) & (res ^ op1) & (1ULL << 63))) {
-        arith_excp(env, GETPC(), EXC_M_IOV, 0);
-    }
-    return res;
-}
-
-uint64_t helper_sublv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
-{
-    uint32_t res;
-    res = op1 - op2;
-    if (unlikely((op1 ^ op2) & (res ^ op1) & (1UL << 31))) {
-        arith_excp(env, GETPC(), EXC_M_IOV, 0);
-    }
-    return res;
-}
-
-uint64_t helper_mullv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
-{
-    int64_t res = (int64_t)op1 * (int64_t)op2;
-
-    if (unlikely((int32_t)res != res)) {
-        arith_excp(env, GETPC(), EXC_M_IOV, 0);
-    }
-    return (int64_t)((int32_t)res);
-}
-
-uint64_t helper_mulqv(CPUAlphaState *env, uint64_t op1, uint64_t op2)
-{
-    uint64_t tl, th;
-
-    muls64(&tl, &th, op1, op2);
-    /* If th != 0 && th != -1, then we had an overflow */
-    if (unlikely((th + 1) > 1)) {
-        arith_excp(env, GETPC(), EXC_M_IOV, 0);
-    }
-    return tl;
 }