"SBREAK",
	"MRET",
	"SRET",
	"DRET",
	"WFI",
	"SFENCEVMA",
	"ADDUW",
	"SH1ADD",
	"SH1ADDUW",
	"SH2ADD",
	"SH2ADDUW",
	"SH3ADD",
	"SH3ADDUW",
	"SLLIUW",
	"ANDN",
	"ORN",
	"XNOR",
	"CLZ",
	"CLZW",
	"CTZ",
	"CTZW",
	"CPOP",
	"CPOPW",
	"MAX",
	"MAXU",
	"MIN",
	"MINU",
	"SEXTB",
	"SEXTH",
	"ZEXTH",
	"ROL",
	"ROLW",
	"ROR",

}

func and_mask_3(a, b uint32) (uint32, uint32) {
	// arm/7:`BIC`,-`AND`
	a &= 0xffffaaaa
	// arm/7:`BFC`,-`AND`,-`BIC`
	b &= 0xffc003ff
	return a, b
}

// Check generation of arm64 BIC/EON/ORN instructions

func op_bic(x, y uint32) uint32 {
	// arm64:`BIC\t`,-`AND`
	return x &^ y
}

func op_eon(x, y, z uint32, a []uint32, n, m uint64) uint64 {
	// arm64:`EON\t`,-`EOR`,-`MVN`

	"MULHWU",
	"MULHWUCC",
	"MULLW",
	"MULLWCC",
	"MULLWVCC",
	"MULLWV",
	"NAND",
	"NANDCC",
	"NEG",
	"NEGCC",
	"NEGVCC",
	"NEGV",
	"NOR",
	"NORCC",
	"OR",
	"ORCC",
	"ORN",
	"ORNCC",
	"ORIS",
	"REM",
	"REMU",
	"RFI",
	"RLWMI",
	"RLWMICC",
	"RLWNM",
	"RLWNMCC",
	"CLRLSLWI",
	"SLW",
	"SLWCC",
	"SRW",
	"SRAW",
	"SRAWCC",
	"SRWCC",

	ADD	R9, a; \
	XOR	d, c, R31; \
	XOR	b, R31; \
	ADD	R31, a; \
	ROTLW	$shift, a; \
	ADD	b, a;

#define ROUND4(a, b, c, d, index, const, shift) \
	ADD	$const, index, R9; \
	ADD	R9, a; \
	ORN     d, b, R31; \
	XOR	c, R31; \
	ADD	R31, a; \
	ROTLW	$shift, a; \
	ADD	b, a;


TEXT ·block(SB),NOSPLIT,$0-32
	MOVD	dig+0(FP), R10
	MOVD	p+8(FP), R6
	MOVD	p_len+16(FP), R5

	// We assume p_len >= 64

	// arm64: "BIC\tR[0-9]+@>51, R[0-9]+, R[0-9]+"
	a[13] = a[12] &^ bits.RotateLeft64(a[11], 13)
	// arm64: "EON\tR[0-9]+@>51, R[0-9]+, R[0-9]+"
	a[16] = a[15] ^ ^bits.RotateLeft64(a[14], 13)
	// arm64: "ORN\tR[0-9]+@>51, R[0-9]+, R[0-9]+"
	a[19] = a[18] | ^bits.RotateLeft64(a[17], 13)
	// arm64: "TST\tR[0-9]+@>51, R[0-9]+"
	if a[18]&bits.RotateLeft64(a[19], 13) == 0 {
		a[20] = 1
	}