From d782ff30e55e0bf288bc73f1e289b63edf5f095a Mon Sep 17 00:00:00 2001
From: qinjun-li <liqinjun1994@gmail.com>
Date: Fri, 22 Nov 2024 12:42:18 +0800
Subject: [PATCH] [rtl] fix change execute index.

---
 t1/src/mask/MaskUnit.scala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/t1/src/mask/MaskUnit.scala b/t1/src/mask/MaskUnit.scala
index 652b86e0b..e6ccb9925 100644
--- a/t1/src/mask/MaskUnit.scala
+++ b/t1/src/mask/MaskUnit.scala
@@ -714,6 +714,7 @@ class MaskUnit(parameter: T1Parameter) extends Module {
   val readIssueStageEnq:   Bool =
     (allDataValid || slideAddressGen.indexDeq.valid) &&
       (readTypeRequestDeq || !readIssueStageValid) && instVlValid && readType
+  val changeExecuteIndex:  Bool = Mux(readType, readIssueStageEnq, otherTypeRequestDeq && executeReady)
   slideAddressGen.indexDeq.ready := readTypeRequestDeq || !readIssueStageValid
   when(anyReadFire) {
     readIssueStageState.groupReadState := readStateUpdate
@@ -724,7 +725,7 @@ class MaskUnit(parameter: T1Parameter) extends Module {
   }
 
   val executeIndexGrowth: UInt = (1.U << dataSplitSew).asUInt
-  when(requestStageDeq && anyDataValid) {
+  when(changeExecuteIndex && anyDataValid) {
     executeIndex := executeIndex + executeIndexGrowth
   }
   when(readIssueStageEnq) {