simd/archsimd: remove redundant suffix of ExtendLo operations

For methods like ExtendLo2ToInt64x2, the last "x2" is redundant, as
it is already mentioned in "Lo2". Remove it, so it is just
ExtendLo2ToInt64.

Change-Id: I490afd818c40bb7a4ef15c249723895735bd6488
Reviewed-on: https://go-review.googlesource.com/c/go/+/733100
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>

4 files changed, 100 insertions, 100 deletions

diff --git a/src/cmd/compile/internal/ssa/_gen/simdAMD64.rules b/src/cmd/compile/internal/ssa/_gen/simdAMD64.rules
index a7a6a3f7a1..8a5b70da30 100644
--- a/src/cmd/compile/internal/ssa/_gen/simdAMD64.rules
+++ b/src/cmd/compile/internal/ssa/_gen/simdAMD64.rules
@@ -376,26 +376,26 @@
 (ExpandUint64x2 x mask) => (VPEXPANDQMasked128 x (VPMOVVec64x2ToM <types.TypeMask> mask))
 (ExpandUint64x4 x mask) => (VPEXPANDQMasked256 x (VPMOVVec64x4ToM <types.TypeMask> mask))
 (ExpandUint64x8 x mask) => (VPEXPANDQMasked512 x (VPMOVVec64x8ToM <types.TypeMask> mask))
-(ExtendLo2ToInt64x2Int8x16 ...) => (VPMOVSXBQ128 ...)
-(ExtendLo2ToInt64x2Int16x8 ...) => (VPMOVSXWQ128 ...)
-(ExtendLo2ToInt64x2Int32x4 ...) => (VPMOVSXDQ128 ...)
-(ExtendLo2ToUint64x2Uint8x16 ...) => (VPMOVZXBQ128 ...)
-(ExtendLo2ToUint64x2Uint16x8 ...) => (VPMOVZXWQ128 ...)
-(ExtendLo2ToUint64x2Uint32x4 ...) => (VPMOVZXDQ128 ...)
-(ExtendLo4ToInt32x4Int8x16 ...) => (VPMOVSXBD128 ...)
-(ExtendLo4ToInt32x4Int16x8 ...) => (VPMOVSXWD128 ...)
-(ExtendLo4ToInt64x4Int8x16 ...) => (VPMOVSXBQ256 ...)
-(ExtendLo4ToInt64x4Int16x8 ...) => (VPMOVSXWQ256 ...)
-(ExtendLo4ToUint32x4Uint8x16 ...) => (VPMOVZXBD128 ...)
-(ExtendLo4ToUint32x4Uint16x8 ...) => (VPMOVZXWD128 ...)
-(ExtendLo4ToUint64x4Uint8x16 ...) => (VPMOVZXBQ256 ...)
-(ExtendLo4ToUint64x4Uint16x8 ...) => (VPMOVZXWQ256 ...)
-(ExtendLo8ToInt16x8Int8x16 ...) => (VPMOVSXBW128 ...)
-(ExtendLo8ToInt32x8Int8x16 ...) => (VPMOVSXBD256 ...)
-(ExtendLo8ToInt64x8Int8x16 ...) => (VPMOVSXBQ512 ...)
-(ExtendLo8ToUint16x8Uint8x16 ...) => (VPMOVZXBW128 ...)
-(ExtendLo8ToUint32x8Uint8x16 ...) => (VPMOVZXBD256 ...)
-(ExtendLo8ToUint64x8Uint8x16 ...) => (VPMOVZXBQ512 ...)
+(ExtendLo2ToInt64Int8x16 ...) => (VPMOVSXBQ128 ...)
+(ExtendLo2ToInt64Int16x8 ...) => (VPMOVSXWQ128 ...)
+(ExtendLo2ToInt64Int32x4 ...) => (VPMOVSXDQ128 ...)
+(ExtendLo2ToUint64Uint8x16 ...) => (VPMOVZXBQ128 ...)
+(ExtendLo2ToUint64Uint16x8 ...) => (VPMOVZXWQ128 ...)
+(ExtendLo2ToUint64Uint32x4 ...) => (VPMOVZXDQ128 ...)
+(ExtendLo4ToInt32Int8x16 ...) => (VPMOVSXBD128 ...)
+(ExtendLo4ToInt32Int16x8 ...) => (VPMOVSXWD128 ...)
+(ExtendLo4ToInt64Int8x16 ...) => (VPMOVSXBQ256 ...)
+(ExtendLo4ToInt64Int16x8 ...) => (VPMOVSXWQ256 ...)
+(ExtendLo4ToUint32Uint8x16 ...) => (VPMOVZXBD128 ...)
+(ExtendLo4ToUint32Uint16x8 ...) => (VPMOVZXWD128 ...)
+(ExtendLo4ToUint64Uint8x16 ...) => (VPMOVZXBQ256 ...)
+(ExtendLo4ToUint64Uint16x8 ...) => (VPMOVZXWQ256 ...)
+(ExtendLo8ToInt16Int8x16 ...) => (VPMOVSXBW128 ...)
+(ExtendLo8ToInt32Int8x16 ...) => (VPMOVSXBD256 ...)
+(ExtendLo8ToInt64Int8x16 ...) => (VPMOVSXBQ512 ...)
+(ExtendLo8ToUint16Uint8x16 ...) => (VPMOVZXBW128 ...)
+(ExtendLo8ToUint32Uint8x16 ...) => (VPMOVZXBD256 ...)
+(ExtendLo8ToUint64Uint8x16 ...) => (VPMOVZXBQ512 ...)
 (ExtendToInt16Int8x16 ...) => (VPMOVSXBW256 ...)
 (ExtendToInt16Int8x32 ...) => (VPMOVSXBW512 ...)
 (ExtendToInt32Int8x16 ...) => (VPMOVSXBD512 ...)
diff --git a/src/cmd/compile/internal/ssa/_gen/simdgenericOps.go b/src/cmd/compile/internal/ssa/_gen/simdgenericOps.go
index fd43f3d61f..af1007cd54 100644
--- a/src/cmd/compile/internal/ssa/_gen/simdgenericOps.go
+++ b/src/cmd/compile/internal/ssa/_gen/simdgenericOps.go
@@ -364,26 +364,26 @@ func simdGenericOps() []opData {
 		{name: "ExpandUint64x2", argLength: 2, commutative: false},
 		{name: "ExpandUint64x4", argLength: 2, commutative: false},
 		{name: "ExpandUint64x8", argLength: 2, commutative: false},
-		{name: "ExtendLo2ToInt64x2Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo2ToInt64x2Int16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo2ToInt64x2Int32x4", argLength: 1, commutative: false},
-		{name: "ExtendLo2ToUint64x2Uint8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo2ToUint64x2Uint16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo2ToUint64x2Uint32x4", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToInt32x4Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToInt32x4Int16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToInt64x4Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToInt64x4Int16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToUint32x4Uint8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToUint32x4Uint16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToUint64x4Uint8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo4ToUint64x4Uint16x8", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToInt16x8Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToInt32x8Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToInt64x8Int8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToUint16x8Uint8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToUint32x8Uint8x16", argLength: 1, commutative: false},
-		{name: "ExtendLo8ToUint64x8Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToInt64Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToInt64Int16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToInt64Int32x4", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToUint64Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToUint64Uint16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo2ToUint64Uint32x4", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToInt32Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToInt32Int16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToInt64Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToInt64Int16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToUint32Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToUint32Uint16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToUint64Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo4ToUint64Uint16x8", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToInt16Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToInt32Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToInt64Int8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToUint16Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToUint32Uint8x16", argLength: 1, commutative: false},
+		{name: "ExtendLo8ToUint64Uint8x16", argLength: 1, commutative: false},
 		{name: "ExtendToInt16Int8x16", argLength: 1, commutative: false},
 		{name: "ExtendToInt16Int8x32", argLength: 1, commutative: false},
 		{name: "ExtendToInt32Int8x16", argLength: 1, commutative: false},
diff --git a/src/cmd/compile/internal/ssa/opGen.go b/src/cmd/compile/internal/ssa/opGen.go
index f318adfd2f..d2ba15f740 100644
--- a/src/cmd/compile/internal/ssa/opGen.go
+++ b/src/cmd/compile/internal/ssa/opGen.go
@@ -6518,26 +6518,26 @@ const (
 	OpExpandUint64x2
 	OpExpandUint64x4
 	OpExpandUint64x8
-	OpExtendLo2ToInt64x2Int8x16
-	OpExtendLo2ToInt64x2Int16x8
-	OpExtendLo2ToInt64x2Int32x4
-	OpExtendLo2ToUint64x2Uint8x16
-	OpExtendLo2ToUint64x2Uint16x8
-	OpExtendLo2ToUint64x2Uint32x4
-	OpExtendLo4ToInt32x4Int8x16
-	OpExtendLo4ToInt32x4Int16x8
-	OpExtendLo4ToInt64x4Int8x16
-	OpExtendLo4ToInt64x4Int16x8
-	OpExtendLo4ToUint32x4Uint8x16
-	OpExtendLo4ToUint32x4Uint16x8
-	OpExtendLo4ToUint64x4Uint8x16
-	OpExtendLo4ToUint64x4Uint16x8
-	OpExtendLo8ToInt16x8Int8x16
-	OpExtendLo8ToInt32x8Int8x16
-	OpExtendLo8ToInt64x8Int8x16
-	OpExtendLo8ToUint16x8Uint8x16
-	OpExtendLo8ToUint32x8Uint8x16
-	OpExtendLo8ToUint64x8Uint8x16
+	OpExtendLo2ToInt64Int8x16
+	OpExtendLo2ToInt64Int16x8
+	OpExtendLo2ToInt64Int32x4
+	OpExtendLo2ToUint64Uint8x16
+	OpExtendLo2ToUint64Uint16x8
+	OpExtendLo2ToUint64Uint32x4
+	OpExtendLo4ToInt32Int8x16
+	OpExtendLo4ToInt32Int16x8
+	OpExtendLo4ToInt64Int8x16
+	OpExtendLo4ToInt64Int16x8
+	OpExtendLo4ToUint32Uint8x16
+	OpExtendLo4ToUint32Uint16x8
+	OpExtendLo4ToUint64Uint8x16
+	OpExtendLo4ToUint64Uint16x8
+	OpExtendLo8ToInt16Int8x16
+	OpExtendLo8ToInt32Int8x16
+	OpExtendLo8ToInt64Int8x16
+	OpExtendLo8ToUint16Uint8x16
+	OpExtendLo8ToUint32Uint8x16
+	OpExtendLo8ToUint64Uint8x16
 	OpExtendToInt16Int8x16
 	OpExtendToInt16Int8x32
 	OpExtendToInt32Int8x16
@@ -90896,102 +90896,102 @@ var opcodeTable = [...]opInfo{
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToInt64x2Int8x16",
+		name:    "ExtendLo2ToInt64Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToInt64x2Int16x8",
+		name:    "ExtendLo2ToInt64Int16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToInt64x2Int32x4",
+		name:    "ExtendLo2ToInt64Int32x4",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToUint64x2Uint8x16",
+		name:    "ExtendLo2ToUint64Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToUint64x2Uint16x8",
+		name:    "ExtendLo2ToUint64Uint16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo2ToUint64x2Uint32x4",
+		name:    "ExtendLo2ToUint64Uint32x4",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToInt32x4Int8x16",
+		name:    "ExtendLo4ToInt32Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToInt32x4Int16x8",
+		name:    "ExtendLo4ToInt32Int16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToInt64x4Int8x16",
+		name:    "ExtendLo4ToInt64Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToInt64x4Int16x8",
+		name:    "ExtendLo4ToInt64Int16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToUint32x4Uint8x16",
+		name:    "ExtendLo4ToUint32Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToUint32x4Uint16x8",
+		name:    "ExtendLo4ToUint32Uint16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToUint64x4Uint8x16",
+		name:    "ExtendLo4ToUint64Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo4ToUint64x4Uint16x8",
+		name:    "ExtendLo4ToUint64Uint16x8",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToInt16x8Int8x16",
+		name:    "ExtendLo8ToInt16Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToInt32x8Int8x16",
+		name:    "ExtendLo8ToInt32Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToInt64x8Int8x16",
+		name:    "ExtendLo8ToInt64Int8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToUint16x8Uint8x16",
+		name:    "ExtendLo8ToUint16Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToUint32x8Uint8x16",
+		name:    "ExtendLo8ToUint32Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
 	{
-		name:    "ExtendLo8ToUint64x8Uint8x16",
+		name:    "ExtendLo8ToUint64Uint8x16",
 		argLen:  1,
 		generic: true,
 	},
diff --git a/src/cmd/compile/internal/ssa/rewriteAMD64.go b/src/cmd/compile/internal/ssa/rewriteAMD64.go
index 5fed6a8063..0c04410074 100644
--- a/src/cmd/compile/internal/ssa/rewriteAMD64.go
+++ b/src/cmd/compile/internal/ssa/rewriteAMD64.go
@@ -3274,64 +3274,64 @@ func rewriteValueAMD64(v *Value) bool {
 		return rewriteValueAMD64_OpExpandUint8x32(v)
 	case OpExpandUint8x64:
 		return rewriteValueAMD64_OpExpandUint8x64(v)
-	case OpExtendLo2ToInt64x2Int16x8:
+	case OpExtendLo2ToInt64Int16x8:
 		v.Op = OpAMD64VPMOVSXWQ128
 		return true
-	case OpExtendLo2ToInt64x2Int32x4:
+	case OpExtendLo2ToInt64Int32x4:
 		v.Op = OpAMD64VPMOVSXDQ128
 		return true
-	case OpExtendLo2ToInt64x2Int8x16:
+	case OpExtendLo2ToInt64Int8x16:
 		v.Op = OpAMD64VPMOVSXBQ128
 		return true
-	case OpExtendLo2ToUint64x2Uint16x8:
+	case OpExtendLo2ToUint64Uint16x8:
 		v.Op = OpAMD64VPMOVZXWQ128
 		return true
-	case OpExtendLo2ToUint64x2Uint32x4:
+	case OpExtendLo2ToUint64Uint32x4:
 		v.Op = OpAMD64VPMOVZXDQ128
 		return true
-	case OpExtendLo2ToUint64x2Uint8x16:
+	case OpExtendLo2ToUint64Uint8x16:
 		v.Op = OpAMD64VPMOVZXBQ128
 		return true
-	case OpExtendLo4ToInt32x4Int16x8:
+	case OpExtendLo4ToInt32Int16x8:
 		v.Op = OpAMD64VPMOVSXWD128
 		return true
-	case OpExtendLo4ToInt32x4Int8x16:
+	case OpExtendLo4ToInt32Int8x16:
 		v.Op = OpAMD64VPMOVSXBD128
 		return true
-	case OpExtendLo4ToInt64x4Int16x8:
+	case OpExtendLo4ToInt64Int16x8:
 		v.Op = OpAMD64VPMOVSXWQ256
 		return true
-	case OpExtendLo4ToInt64x4Int8x16:
+	case OpExtendLo4ToInt64Int8x16:
 		v.Op = OpAMD64VPMOVSXBQ256
 		return true
-	case OpExtendLo4ToUint32x4Uint16x8:
+	case OpExtendLo4ToUint32Uint16x8:
 		v.Op = OpAMD64VPMOVZXWD128
 		return true
-	case OpExtendLo4ToUint32x4Uint8x16:
+	case OpExtendLo4ToUint32Uint8x16:
 		v.Op = OpAMD64VPMOVZXBD128
 		return true
-	case OpExtendLo4ToUint64x4Uint16x8:
+	case OpExtendLo4ToUint64Uint16x8:
 		v.Op = OpAMD64VPMOVZXWQ256
 		return true
-	case OpExtendLo4ToUint64x4Uint8x16:
+	case OpExtendLo4ToUint64Uint8x16:
 		v.Op = OpAMD64VPMOVZXBQ256
 		return true
-	case OpExtendLo8ToInt16x8Int8x16:
+	case OpExtendLo8ToInt16Int8x16:
 		v.Op = OpAMD64VPMOVSXBW128
 		return true
-	case OpExtendLo8ToInt32x8Int8x16:
+	case OpExtendLo8ToInt32Int8x16:
 		v.Op = OpAMD64VPMOVSXBD256
 		return true
-	case OpExtendLo8ToInt64x8Int8x16:
+	case OpExtendLo8ToInt64Int8x16:
 		v.Op = OpAMD64VPMOVSXBQ512
 		return true
-	case OpExtendLo8ToUint16x8Uint8x16:
+	case OpExtendLo8ToUint16Uint8x16:
 		v.Op = OpAMD64VPMOVZXBW128
 		return true
-	case OpExtendLo8ToUint32x8Uint8x16:
+	case OpExtendLo8ToUint32Uint8x16:
 		v.Op = OpAMD64VPMOVZXBD256
 		return true
-	case OpExtendLo8ToUint64x8Uint8x16:
+	case OpExtendLo8ToUint64Uint8x16:
 		v.Op = OpAMD64VPMOVZXBQ512
 		return true
 	case OpExtendToInt16Int8x16: