diff --git a/generator/insn.go b/generator/insn.go
index 2af6c8e..86e7d74 100644
--- a/generator/insn.go
+++ b/generator/insn.go
@@ -16,9 +16,9 @@ import (
 type insnFormat string
 
 type Option struct {
-	VLEN   VLEN
-	XLEN   XLEN
-	Repeat int
+	VLEN    VLEN
+	XLEN    XLEN
+	Repeat  int
 	Float16 bool
 }
 
@@ -411,7 +411,7 @@ func (i *Insn) testCases(float bool, sew SEW) [][]any {
 			}
 			break
 		}
-                for _, c := range i.Tests.SEW16 {
+		for _, c := range i.Tests.SEW16 {
 			l := make([]any, len(c))
 			for b, op := range c {
 				l[b] = op
diff --git a/generator/insn_util.go b/generator/insn_util.go
index 2634d4a..e662c26 100644
--- a/generator/insn_util.go
+++ b/generator/insn_util.go
@@ -29,13 +29,15 @@ type VXSAT bool
 type SEW int
 
 var allSEWs = []SEW{8, 16, 32, 64}
+
 func (i *Insn) floatSEWs() []SEW {
-	if (i.Option.Float16) {
-		return []SEW{16,32,64}
+	if i.Option.Float16 {
+		return []SEW{16, 32, 64}
 	} else {
-		return []SEW{32,64}
+		return []SEW{32, 64}
 	}
 }
+
 var validSEWs = map[SEW]struct{}{
 	allSEWs[0]: {},
 	allSEWs[1]: {},
@@ -161,7 +163,6 @@ func ma(mask bool) string {
 	return "mu"
 }
 
-
 func hash(s string) uint32 {
 	h := fnv.New32a()
 	h.Write([]byte(s))
@@ -185,4 +186,4 @@ func getVRegs(lmul1 LMUL, v0 bool, seed string) (int, int, int) {
 	})
 
 	return availableOptions[0], availableOptions[1], availableOptions[2]
-}
\ No newline at end of file
+}
diff --git a/generator/insn_vdvs2.go b/generator/insn_vdvs2.go
index 398115d..3e7e437 100644
--- a/generator/insn_vdvs2.go
+++ b/generator/insn_vdvs2.go
@@ -26,18 +26,18 @@ func (i *Insn) genCodeVdVs2(pos int) []string {
 	res := make([]string, 0, len(combinations))
 
 	for _, c := range combinations[pos:] {
-		if sew32OnlyInsn && c.Vl % 4 != 0 {
-			c.Vl = (c.Vl + 3) / 4 * 4 
+		if sew32OnlyInsn && c.Vl%4 != 0 {
+			c.Vl = (c.Vl + 3) / 4 * 4
 		}
 
 		builder := strings.Builder{}
 		builder.WriteString(c.initialize())
-		
+
 		var vd, vs2 int
-		if (sew32OnlyInsn){
+		if sew32OnlyInsn {
 			vd = int(c.LMUL1)
 			vs2 = 3 * int(c.LMUL1)
-		}else{
+		} else {
 			vd, vs2, _ = getVRegs(c.LMUL, true, i.Name)
 		}
 
diff --git a/generator/insn_vdvs2uimm.go b/generator/insn_vdvs2uimm.go
index 716ea19..5bf0dc9 100644
--- a/generator/insn_vdvs2uimm.go
+++ b/generator/insn_vdvs2uimm.go
@@ -14,7 +14,7 @@ func (i *Insn) genCodeVdVs2Uimm(pos int) []string {
 	vdSize := 1
 
 	combinations := i.combinations(
-		iff(vsm3Insn, []LMUL {1, 2, 4, 8}, allLMULs),
+		iff(vsm3Insn, []LMUL{1, 2, 4, 8}, allLMULs),
 		sews,
 		[]bool{false, true},
 		i.vxrms(),
@@ -22,7 +22,7 @@ func (i *Insn) genCodeVdVs2Uimm(pos int) []string {
 	res := make([]string, 0, len(combinations))
 
 	for _, c := range combinations[pos:] {
-		if sew32OnlyInsn && c.Vl % 4 != 0 {
+		if sew32OnlyInsn && c.Vl%4 != 0 {
 			c.Vl = (c.Vl + 3) &^ 3
 		}
 		if vsm3Insn {
@@ -59,16 +59,16 @@ func (i *Insn) genCodeVdVs2Uimm(pos int) []string {
 			switch c.SEW {
 			case 8:
 				builder.WriteString(fmt.Sprintf("%s v%d, v%d, %d\n",
-					i.Name, vd, vs2, convNum[uint8](cases[a][0]) % 32))
+					i.Name, vd, vs2, convNum[uint8](cases[a][0])%32))
 			case 16:
 				builder.WriteString(fmt.Sprintf("%s v%d, v%d, %d\n",
-					i.Name, vd, vs2, convNum[uint16](cases[a][0]) % 32))
+					i.Name, vd, vs2, convNum[uint16](cases[a][0])%32))
 			case 32:
 				builder.WriteString(fmt.Sprintf("%s v%d, v%d, %d\n",
-					i.Name, vd, vs2, convNum[uint32](cases[a][0]) % 32))
+					i.Name, vd, vs2, convNum[uint32](cases[a][0])%32))
 			case 64:
 				builder.WriteString(fmt.Sprintf("%s v%d, v%d, %d\n",
-					i.Name, vd, vs2, convNum[uint64](cases[a][0]) % 32))
+					i.Name, vd, vs2, convNum[uint64](cases[a][0])%32))
 			}
 			builder.WriteString("# -------------- TEST END   --------------\n")
 
diff --git a/generator/insn_vdvs2vs1.go b/generator/insn_vdvs2vs1.go
index 5d08106..f633c34 100644
--- a/generator/insn_vdvs2vs1.go
+++ b/generator/insn_vdvs2vs1.go
@@ -6,22 +6,22 @@ import (
 )
 
 func (i *Insn) genCodeVdVs2Vs1(pos int) []string {
-    vsm3Insn := strings.HasPrefix(i.Name, "vsm3")
+	vsm3Insn := strings.HasPrefix(i.Name, "vsm3")
 	sew32OnlyInsn := strings.HasPrefix(i.Name, "vg") || strings.HasPrefix(i.Name, "vsha")
 	sews := iff(sew32OnlyInsn || vsm3Insn, []SEW{32}, allSEWs)
 	combinations := i.combinations(
-		iff(vsm3Insn, []LMUL {1, 2, 4, 8}, allLMULs),
+		iff(vsm3Insn, []LMUL{1, 2, 4, 8}, allLMULs),
 		sews,
 		[]bool{false},
 		i.vxrms(),
 	)
 	res := make([]string, 0, len(combinations))
 	for _, c := range combinations[pos:] {
-		if sew32OnlyInsn && c.Vl % 4 != 0 {
+		if sew32OnlyInsn && c.Vl%4 != 0 {
 			c.Vl = (c.Vl + 3) &^ 3
 		}
 		if vsm3Insn {
-			c.Vl = (c.Vl + 7) &^ 7 
+			c.Vl = (c.Vl + 7) &^ 7
 		}
 		builder := strings.Builder{}
 		builder.WriteString(c.initialize())
diff --git a/generator/insn_vsetvl.go b/generator/insn_vsetvl.go
index caf7892..c6e117b 100644
--- a/generator/insn_vsetvl.go
+++ b/generator/insn_vsetvl.go
@@ -114,7 +114,7 @@ func (i *Insn) genCodevsetvl(pos int) []string {
 			case 0:
 				curvl = t[2]
 			case 1:
-				if t[1] == 1 << (i.Option.XLEN - 1) { // vill
+				if t[1] == 1<<(i.Option.XLEN-1) { // vill
 					curvl = t[2]
 				} else {
 					curvl = int64(getVlmax(curvtype, int(i.Option.VLEN)))
diff --git a/generator/tests.go b/generator/tests.go
index 56f75a0..9d8e4fd 100644
--- a/generator/tests.go
+++ b/generator/tests.go
@@ -158,7 +158,7 @@ type tests struct {
 	SEW64_ []testCase[string] `toml:"sew64"`
 	SEW64  []testCase[uint64] `toml:"-"`
 
-	FSEW16_ []testCase[string]  `toml:"fsew16"`
+	FSEW16_ []testCase[string] `toml:"fsew16"`
 	FSEW16  []testCase[uint16] `toml:"-"`
 
 	FSEW32_ []testCase[string]  `toml:"fsew32"`