1 files changed, 13 insertions, 0 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
index 7b035f56a..735cf1a09 100644
--- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp
@@ -134,6 +134,19 @@ u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double* vd,
 #endif
         if (!(significand & ((1ULL << (VFP_DOUBLE_LOW_BITS + 1)) - 1)))
             underflow = 0;
+
+        int type = vfp_double_type(vd);
+
+        if ((type & VFP_DENORMAL) && (fpscr & FPSCR_FLUSH_TO_ZERO)) {
+            // Flush denormal to positive 0
+            significand = 0;
+
+            vd->sign = 0;
+            vd->significand = significand;
+
+            underflow = 0;
+            exceptions |= FPSCR_UFC;
+        }
     }
 
     /*