vperm: fix the width of slide element

OpenXiangShan · May 27, 2024 · 1fd2c63 · 1fd2c63
1 parent e1bc413
commit 1fd2c63
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/scala/yunsuan/vector/VectorPerm/Permutation.scala b/src/main/scala/yunsuan/vector/VectorPerm/Permutation.scala
@@ -652,7 +652,7 @@ class Permutation extends Module {
   }
 
   // vslideup/vslide1up
-  val slide_ele = Mux(vslide1up || vslide1dn, 1.U, vs1(xLen, 0))
+  val slide_ele = Mux(vslide1up || vslide1dn, 1.U, vs1(xLen - 1, 0))
   val slide_bytes = slide_ele << vsew
   val vslideup_vd_reg0 = Wire(Vec(vlenb, UInt(8.W)))
   val vslide1up_vd_reg0 = Wire(Vec(vlenb, UInt(8.W)))