1 files changed, 11 insertions, 5 deletions
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index c718a786e1..93f5d9e023 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -648,16 +648,22 @@ static inline int32_t mipsdsp_sat16_mul_q15_q15(uint16_t a, uint16_t b,
 static inline uint16_t mipsdsp_trunc16_sat16_round(int32_t a,
                                                    CPUMIPSState *env)
 {
-    int64_t temp;
+    uint16_t temp;
 
-    temp = (int32_t)a + 0x00008000;
 
-    if (a > (int)0x7fff8000) {
-        temp = 0x7FFFFFFF;
+    /*
+     * The value 0x00008000 will be added to the input Q31 value, and the code
+     * needs to check if the addition causes an overflow. Since a positive value
+     * is added, overflow can happen in one direction only.
+     */
+    if (a > 0x7FFF7FFF) {
+        temp = 0x7FFF;
         set_DSPControl_overflow_flag(1, 22, env);
+    } else {
+        temp = ((a + 0x8000) >> 16) & 0xFFFF;
     }
 
-    return (temp >> 16) & 0xFFFF;
+    return temp;
 }
 
 static inline uint8_t mipsdsp_sat8_reduce_precision(uint16_t a,