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-rw-r--r--target/s390x/fpu_helper.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/s390x/fpu_helper.c b/target/s390x/fpu_helper.c
index ea5a37ac5e..7508c0748e 100644
--- a/target/s390x/fpu_helper.c
+++ b/target/s390x/fpu_helper.c
@@ -789,6 +789,19 @@ void HELPER(sfas)(CPUS390XState *env, uint64_t fpc)
      */
     s390_exc = (signalling >> 16) & (fpc >> 24);
     if (s390_exc) {
+        if (s390_exc & S390_IEEE_MASK_INVALID) {
+            s390_exc = S390_IEEE_MASK_INVALID;
+        } else if (s390_exc & S390_IEEE_MASK_DIVBYZERO) {
+            s390_exc = S390_IEEE_MASK_DIVBYZERO;
+        } else if (s390_exc & S390_IEEE_MASK_OVERFLOW) {
+            s390_exc &= (S390_IEEE_MASK_OVERFLOW | S390_IEEE_MASK_INEXACT);
+        } else if (s390_exc & S390_IEEE_MASK_UNDERFLOW) {
+            s390_exc &= (S390_IEEE_MASK_UNDERFLOW | S390_IEEE_MASK_INEXACT);
+        } else if (s390_exc & S390_IEEE_MASK_INEXACT) {
+            s390_exc = S390_IEEE_MASK_INEXACT;
+        } else if (s390_exc & S390_IEEE_MASK_QUANTUM) {
+            s390_exc = S390_IEEE_MASK_QUANTUM;
+        }
         tcg_s390_data_exception(env, s390_exc | 3, GETPC());
     }
 }