// Code generated by 'instgen -o=$GOROOT # from go install golang.org/x/arch/arm64/instgen@latest'.

package arm64

const (
	enc_NIL component = iota
	enc_tszh_tszl
	enc_M
	enc_PNd
	enc_Pd
	enc_Pdm
	enc_Pdn
	enc_Pg
	enc_Pm
	enc_Pn
	enc_Pv
	enc_Vd
	enc_Za
	enc_Zd
	enc_Zda
	enc_Zdn
	enc_Zk
	enc_Zm
	enc_Zn
	enc_size
	enc_size0
	enc_sz
)

// encodeArngBCheck is the implementation of the following encoding logic:
// Check this is a B arrangement
func encodeArngBCheck(v uint32) (uint32, bool) {
	if v == ARNG_B {
		return 0, true
	}
	return 0, false
}

// encodeArngDCheck is the implementation of the following encoding logic:
// Check this is a D arrangement
func encodeArngDCheck(v uint32) (uint32, bool) {
	if v == ARNG_D {
		return 0, true
	}
	return 0, false
}

// encodeArngHCheck is the implementation of the following encoding logic:
// Check this is a H arrangement
func encodeArngHCheck(v uint32) (uint32, bool) {
	if v == ARNG_H {
		return 0, true
	}
	return 0, false
}

// encodeArngQCheck is the implementation of the following encoding logic:
// Check this is a Q arrangement
func encodeArngQCheck(v uint32) (uint32, bool) {
	if v == ARNG_Q {
		return 0, true
	}
	return 0, false
}

// encodeArngSCheck is the implementation of the following encoding logic:
// Check this is a S arrangement
func encodeArngSCheck(v uint32) (uint32, bool) {
	if v == ARNG_S {
		return 0, true
	}
	return 0, false
}

// encodeMergePredCheck is the implementation of the following encoding logic:
// Check this is a merging predication
func encodeMergePredCheck(v uint32) (uint32, bool) {
	if v == PRED_M {
		return 0, true
	}
	return 0, false
}

// encodeZeroPredCheck is the implementation of the following encoding logic:
// Check this is a zeroing predication
func encodeZeroPredCheck(v uint32) (uint32, bool) {
	if v == PRED_Z {
		return 0, true
	}
	return 0, false
}

// encodeSzByteHalfword is the implementation of the following encoding logic:
// For the "Byte and halfword" variant: is the size specifier,
// sz	<T>
// 0	B
// 1	H
// bit range mappings:
// sz: [22:23)
func encodeSzByteHalfword(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0, true
	case ARNG_H:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSizeByteMergeZero is the implementation of the following encoding logic:
// For the "Byte, merging" and "Byte, zeroing" variants: is the size specifier,
// size	<T>
// 00	RESERVED
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeByteMergeZero(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSize0HalfwordMergeZero is the implementation of the following encoding logic:
// For the "Halfword, merging" and "Halfword, zeroing" variants: is the size specifier,
// size[0]	<T>
// 0	S
// 1	D
// bit range mappings:
// size: [22:23)
func encodeSize0HalfwordMergeZero(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0, true
	case ARNG_D:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSzWordDoubleword is the implementation of the following encoding logic:
// For the "Word and doubleword" variant: is the size specifier,
// sz	<T>
// 0	S
// 1	D
// bit range mappings:
// sz: [22:23)
func encodeSzWordDoubleword(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0, true
	case ARNG_D:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSize16B8H4S2D is the implementation of the following encoding logic:
// Is an arrangement specifier,
// size	<T>
// 00	16B
// 01	8H
// 10	4S
// 11	2D
// bit range mappings:
// size: [22:24)
func encodeSize16B8H4S2D(v uint32) (uint32, bool) {
	switch v {
	case ARNG_16B:
		return 0, true
	case ARNG_8H:
		return 1 << 22, true
	case ARNG_4S:
		return 2 << 22, true
	case ARNG_2D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSize8H4S2D is the implementation of the following encoding logic:
// Is an arrangement specifier,
// size	<T>
// 00	RESERVED
// 01	8H
// 10	4S
// 11	2D
// bit range mappings:
// size: [22:24)
func encodeSize8H4S2D(v uint32) (uint32, bool) {
	switch v {
	case ARNG_8H:
		return 1 << 22, true
	case ARNG_4S:
		return 2 << 22, true
	case ARNG_2D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeVd is the implementation of the following encoding logic:
// Is the name of the destination SIMD&FP register, encoded in the "Vd" field.
// bit range mappings:
// Vd: [0:5)
func encodeVd(v uint32) (uint32, bool) {
	return v, true
}

// encodePNd is the implementation of the following encoding logic:
// Is the name of the destination scalable predicate register PN8-PN15, with predicate-as-counter encoding, encoded in the "PNd" field.
// bit range mappings:
// PNd: [0:3)
func encodePNd(v uint32) (uint32, bool) {
	if v >= 24 && v <= 31 {
		// PN registers starts from 16.
		return v - 24, true
	}
	return 0, false
}

// encodePd is the implementation of the following encoding logic:
// Is the name of the destination scalable predicate register, encoded in the "Pd" field.
// bit range mappings:
// Pd: [0:4)
func encodePd(v uint32) (uint32, bool) {
	return v, true
}

// encodeZd is the implementation of the following encoding logic:
// Is the name of the destination scalable vector register, encoded in the "Zd" field.
// bit range mappings:
// Zd: [0:5)
func encodeZd(v uint32) (uint32, bool) {
	return v, true
}

// encodePdnDest is the implementation of the following encoding logic:
// Is the name of the first source and destination scalable predicate register, encoded in the "Pdn" field.
// bit range mappings:
// Pdn: [0:4)
func encodePdnDest(v uint32) (uint32, bool) {
	return v, true
}

// encodeZdnDest is the implementation of the following encoding logic:
// Is the name of the first source and destination scalable vector register, encoded in the "Zdn" field.
// bit range mappings:
// Zdn: [0:5)
func encodeZdnDest(v uint32) (uint32, bool) {
	return v, true
}

// encodePn59 is the implementation of the following encoding logic:
// Is the name of the first source scalable predicate register, encoded in the "Pn" field.
// bit range mappings:
// Pn: [5:9)
func encodePn59(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodeZn510 is the implementation of the following encoding logic:
// Is the name of the first source scalable vector register, encoded in the "Zn" field.
// bit range mappings:
// Zn: [5:10)
func encodeZn510(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePg1013 is the implementation of the following encoding logic:
// Is the name of the governing scalable predicate register P0-P7, encoded in the "Pg" field.
// bit range mappings:
// Pg: [10:13)
func encodePg1013(v uint32) (uint32, bool) {
	if v <= 7 {
		return v << 10, true
	}
	return 0, false
}

// encodePg1014 is the implementation of the following encoding logic:
// Is the name of the governing scalable predicate register, encoded in the "Pg" field.
// bit range mappings:
// Pg: [10:14)
func encodePg1014(v uint32) (uint32, bool) {
	return v << 10, true
}

// encodePg59 is the implementation of the following encoding logic:
// Is the name of the governing scalable predicate register, encoded in the "Pg" field.
// bit range mappings:
// Pg: [5:9)
func encodePg59(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePdmDest is the implementation of the following encoding logic:
// Is the name of the second source and destination scalable predicate register, encoded in the "Pdm" field.
// bit range mappings:
// Pdm: [0:4)
func encodePdmDest(v uint32) (uint32, bool) {
	return v, true
}

// encodeZdaDest is the implementation of the following encoding logic:
// Is the name of the second source and destination scalable vector register, encoded in the "Zda" field.
// bit range mappings:
// Zda: [0:5)
func encodeZdaDest(v uint32) (uint32, bool) {
	return v, true
}

// encodePm1620 is the implementation of the following encoding logic:
// Is the name of the second source scalable predicate register, encoded in the "Pm" field.
// bit range mappings:
// Pm: [16:20)
func encodePm1620(v uint32) (uint32, bool) {
	return v << 16, true
}

// encodeZm1621 is the implementation of the following encoding logic:
// Is the name of the second source scalable vector register, encoded in the "Zm" field.
// bit range mappings:
// Zm: [16:21)
func encodeZm1621(v uint32) (uint32, bool) {
	return v << 16, true
}

// encodeZm510 is the implementation of the following encoding logic:
// Is the name of the second source scalable vector register, encoded in the "Zm" field.
// bit range mappings:
// Zm: [5:10)
func encodeZm510(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePdnSrcDst is the implementation of the following encoding logic:
// Is the name of the source and destination scalable predicate register, encoded in the "Pdn" field.
// bit range mappings:
// Pdn: [0:4)
func encodePdnSrcDst(v uint32) (uint32, bool) {
	return v, true
}

// encodeZdnSrcDst is the implementation of the following encoding logic:
// Is the name of the source and destination scalable vector register, encoded in the "Zdn" field.
// bit range mappings:
// Zdn: [0:5)
func encodeZdnSrcDst(v uint32) (uint32, bool) {
	return v, true
}

// encodePm59v1 is the implementation of the following encoding logic:
// Is the name of the source scalable predicate register, encoded in the "Pm" field.
// bit range mappings:
// Pm: [5:9)
func encodePm59v1(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePn59v2 is the implementation of the following encoding logic:
// Is the name of the source scalable predicate register, encoded in the "Pn" field.
// bit range mappings:
// Pn: [5:9)
func encodePn59v2(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodeZn510Src is the implementation of the following encoding logic:
// Is the name of the source scalable vector register, encoded in the "Zn" field.
// bit range mappings:
// Zn: [5:10)
func encodeZn510Src(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodeZda3RdSrcDst is the implementation of the following encoding logic:
// Is the name of the third source and destination scalable vector register, encoded in the "Zda" field.
// bit range mappings:
// Zda: [0:5)
func encodeZda3RdSrcDst(v uint32) (uint32, bool) {
	return v, true
}

// encodeZa16213Rd is the implementation of the following encoding logic:
// Is the name of the third source scalable vector register, encoded in the "Za" field.
// bit range mappings:
// Za: [16:21)
func encodeZa16213Rd(v uint32) (uint32, bool) {
	return v << 16, true
}

// encodeZa5103Rd is the implementation of the following encoding logic:
// Is the name of the third source scalable vector register, encoded in the "Za" field.
// bit range mappings:
// Za: [5:10)
func encodeZa5103Rd(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodeZk5103Rd is the implementation of the following encoding logic:
// Is the name of the third source scalable vector register, encoded in the "Zk" field.
// bit range mappings:
// Zk: [5:10)
func encodeZk5103Rd(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePv1013 is the implementation of the following encoding logic:
// Is the name of the vector select predicate register P0-P7, encoded in the "Pv" field.
// bit range mappings:
// Pv: [10:13)
func encodePv1013(v uint32) (uint32, bool) {
	return v << 10, true
}

// encodePv1014 is the implementation of the following encoding logic:
// Is the name of the vector select predicate register, encoded in the "Pv" field.
// bit range mappings:
// Pv: [10:14)
func encodePv1014(v uint32) (uint32, bool) {
	return v << 10, true
}

// encodePv59 is the implementation of the following encoding logic:
// Is the name of the vector select predicate register, encoded in the "Pv" field.
// bit range mappings:
// Pv: [5:9)
func encodePv59(v uint32) (uint32, bool) {
	return v << 5, true
}

// encodePredQualM1617 is the implementation of the following encoding logic:
// Is the predication qualifier,
// M	<ZM>
// 0	Z
// 1	M
// bit range mappings:
// M: [16:17)
func encodePredQualM1617(v uint32) (uint32, bool) {
	switch v {
	case PRED_Z:
		return 0, true
	case PRED_M:
		return 1 << 16, true
	}
	return 0, false
}

// encodePredQualM45 is the implementation of the following encoding logic:
// Is the predication qualifier,
// M	<ZM>
// 0	Z
// 1	M
// bit range mappings:
// M: [4:5)
func encodePredQualM45(v uint32) (uint32, bool) {
	switch v {
	case PRED_Z:
		return 0, true
	case PRED_M:
		return 1 << 4, true
	}
	return 0, false
}

// encodeSizeBHSD2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	B
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeBHSD2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0 << 22, true
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeBHS2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	B
// 01	H
// 10	S
// 11	RESERVED
// bit range mappings:
// size: [22:24)
func encodeSizeBHS2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0 << 22, true
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	}
	return 0, false
}

// encodeSizeBHS2224Offset1 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	RESERVED
// 01	B
// 10	H
// 11	S
// bit range mappings:
// size: [22:24)
func encodeSizeBHS2224Offset1(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 1 << 22, true
	case ARNG_H:
		return 2 << 22, true
	case ARNG_S:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeHSD1315 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	RESERVED
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [13:15)
func encodeSizeHSD1315(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 13, true
	case ARNG_S:
		return 2 << 13, true
	case ARNG_D:
		return 3 << 13, true
	}
	return 0, false
}

// encodeSizeHSD1719 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	RESERVED
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [17:19)
func encodeSizeHSD1719(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 17, true
	case ARNG_S:
		return 2 << 17, true
	case ARNG_D:
		return 3 << 17, true
	}
	return 0, false
}

// encodeSizeHSD2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 00	RESERVED
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeHSD2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeHSD2224No00 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeHSD2224No00(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeHD2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<T>
// 01	H
// 1x	D
// bit range mappings:
// size: [22:24)
func encodeSizeHD2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeTbBHSD2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<Tb>
// 00	B
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeTbBHSD2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0 << 22, true
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeTbBHS2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<Tb>
// 00	RESERVED
// 01	B
// 10	H
// 11	S
// bit range mappings:
// size: [22:24)
func encodeSizeTbBHS2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 1 << 22, true
	case ARNG_H:
		return 2 << 22, true
	case ARNG_S:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeTbHSD2224Offset1 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<Tb>
// 00	RESERVED
// 01	H
// 10	S
// 11	D
// bit range mappings:
// size: [22:24)
func encodeSizeTbHSD2224Offset1(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 1 << 22, true
	case ARNG_S:
		return 2 << 22, true
	case ARNG_D:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSizeTbBS2224 is the implementation of the following encoding logic:
// Is the size specifier,
// size	<Tb>
// 01	B
// 1x	S
// bit range mappings:
// size: [22:24)
func encodeSizeTbBS2224(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 1 << 22, true
	case ARNG_S:
		return 3 << 22, true
	}
	return 0, false
}

// encodeSize0BH2223 is the implementation of the following encoding logic:
// Is the size specifier,
// size[0]	<T>
// 0	B
// 1	H
// bit range mappings:
// size: [22:23)
func encodeSize0BH2223(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0 << 22, true
	case ARNG_H:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSize0SD2223 is the implementation of the following encoding logic:
// Is the size specifier,
// size[0]	<T>
// 0	S
// 1	D
// bit range mappings:
// size: [22:23)
func encodeSize0SD2223(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0 << 22, true
	case ARNG_D:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSize0TbBH2223 is the implementation of the following encoding logic:
// Is the size specifier,
// size[0]	<Tb>
// 0	B
// 1	H
// bit range mappings:
// size: [22:23)
func encodeSize0TbBH2223(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0 << 22, true
	case ARNG_H:
		return 1 << 22, true
	}
	return 0, false
}

// encodeSzSD1415 is the implementation of the following encoding logic:
// Is the size specifier,
// sz	<T>
// 0	S
// 1	D
// bit range mappings:
// sz: [14:15)
func encodeSzSD1415(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0 << 14, true
	case ARNG_D:
		return 1 << 14, true
	}
	return 0, false
}

// encodeSzSD1718 is the implementation of the following encoding logic:
// Is the size specifier,
// sz	<T>
// 0	S
// 1	D
// bit range mappings:
// sz: [17:18)
func encodeSzSD1718(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0 << 17, true
	case ARNG_D:
		return 1 << 17, true
	}
	return 0, false
}

// encodeSzSD2223 is the implementation of the following encoding logic:
// Is the size specifier,
// sz	<T>
// 0	S
// 1	D
// bit range mappings:
// sz: [22:23)
func encodeSzSD2223(v uint32) (uint32, bool) {
	switch v {
	case ARNG_S:
		return 0 << 22, true
	case ARNG_D:
		return 1 << 22, true
	}
	return 0, false
}

// encodeTszhTszlBHS is the implementation of the following encoding logic:
// Is the size specifier,
// tszh	tszl	<T>
// 0	00	RESERVED
// 0	01	B
// 0	10	H
// 0	11	RESERVED
// 1	00	S
// 1	01	RESERVED
// 1	1x	RESERVED
// bit range mappings:
// tszh: [22:23)
// tszl: [19:21)
func encodeTszhTszlBHS(v uint32) (uint32, bool) {
	switch v {
	case ARNG_B:
		return 0<<22 | 1<<19, true
	case ARNG_H:
		return 0<<22 | 2<<19, true
	case ARNG_S:
		return 1 << 22, true
	}
	return 0, false
}

// encodeTszhTszlTbHSD is the implementation of the following encoding logic:
// Is the size specifier,
// tszh	tszl	<Tb>
// 0	00	RESERVED
// 0	01	H
// 0	10	S
// 0	11	RESERVED
// 1	00	D
// 1	01	RESERVED
// 1	1x	RESERVED
// bit range mappings:
// tszh: [22:23)
// tszl: [19:21)
func encodeTszhTszlTbHSD(v uint32) (uint32, bool) {
	switch v {
	case ARNG_H:
		return 0<<22 | 1<<19, true
	case ARNG_S:
		return 0<<22 | 2<<19, true
	case ARNG_D:
		return 1 << 22, true
	}
	return 0, false
}

// encodeNoop is the implementation of the following encoding logic:
// No-op check, returns true
func encodeNoop(v uint32) (uint32, bool) {
	return 0, true
}