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-rw-r--r--target/mips/mxu_translate.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/target/mips/mxu_translate.c b/target/mips/mxu_translate.c
index afc008eeee..fb0a811af6 100644
--- a/target/mips/mxu_translate.c
+++ b/target/mips/mxu_translate.c
@@ -1095,12 +1095,12 @@ static void gen_mxu_D16MAX_D16MIN(DisasContext *ctx)
 
     if (unlikely(pad != 0)) {
         /* opcode padding incorrect -> do nothing */
-    } else if (unlikely(XRc == 0)) {
+    } else if (unlikely(XRa == 0)) {
         /* destination is zero register -> do nothing */
-    } else if (unlikely((XRb == 0) && (XRa == 0))) {
+    } else if (unlikely((XRb == 0) && (XRc == 0))) {
         /* both operands zero registers -> just set destination to zero */
-        tcg_gen_movi_i32(mxu_gpr[XRc - 1], 0);
-    } else if (unlikely((XRb == 0) || (XRa == 0))) {
+        tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0);
+    } else if (unlikely((XRb == 0) || (XRc == 0))) {
         /* exactly one operand is zero register - find which one is not...*/
         uint32_t XRx = XRb ? XRb : XRc;
         /* ...and do half-word-wise max/min with one operand 0 */