if z == 0 {
		return 77
	}
	// use z by returning it
	return z
}

// Verify (OR x (NOT y)) rewrites to (ORN x y) where supported
func ornot(x, y int) int {
	// ppc64x:"ORN"
	z := x | ^y
	return z
}

// Verify that (OR (NOT x) (NOT y)) rewrites to (NOT (AND x y))
func orDemorgans(x, y int) int {
	// amd64:"AND",-"OR"
	z := ^x | ^y
	return z
}

func lshMask64x64(v int64, s uint64) int64 {
	// arm64:"LSL",-"AND"
	// ppc64x:"RLDICL",-"ORN",-"ISEL"
	// riscv64:"SLL",-"AND\t",-"SLTIU"
	// s390x:-"RISBGZ",-"AND",-"LOCGR"
	return v << (s & 63)
}

func rshMask64Ux64(v uint64, s uint64) uint64 {
	// arm64:"LSR",-"AND",-"CSEL"
	// ppc64x:"RLDICL",-"ORN",-"ISEL"
	// riscv64:"SRL\t",-"AND\t",-"SLTIU"
	// s390x:-"RISBGZ",-"AND",-"LOCGR"
	return v >> (s & 63)

func isControllerInstalled(cs kubernetes.Interface, operatorNamespace string, revision string) (bool, error) {
	orn := operatorResourceName
	if revision != "" {
		orn += "-" + revision
	}
	return deploymentExists(cs, operatorNamespace, orn)
}

// renderOperatorManifest renders a manifest to install the operator with the given input arguments.

	"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",

	"MRS",
	"MSR",
	"MSUB",
	"MSUBW",
	"MUL",
	"MULW",
	"MVN",
	"MVNW",
	"NEG",
	"NEGS",
	"NEGSW",
	"NEGW",
	"NGC",
	"NGCS",
	"NGCSW",
	"NGCW",
	"NOOP",
	"ORN",
	"ORNW",
	"ORR",
	"ORRW",
	"PRFM",
	"PRFUM",
	"RBIT",
	"RBITW",
	"REM",
	"REMW",
	"REV",
	"REV16",
	"REV16W",
	"REV32",
	"REVW",
	"ROR",
	"RORW",
	"SBC",

}

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",

	MAXU	X28, X29, X30				// 33ffce0b
	MAXU	X28, X29				// b3fece0b
	MIN	X29, X30, X5				// b342df0b
	MIN	X29, X30				// 334fdf0b
	MINU	X30, X5, X6				// 33d3e20b
	MINU	X30, X5					// b3d2e20b
	ORN	X6, X7, X8				// 33e46340
	ORN	X6, X7					// b3e36340
	SEXTB	X16, X17				// 93184860
	SEXTH	X17, X18				// 13995860
	XNOR	X18, X19, X20				// 33ca2941
	XNOR	X18, X19				// b3c92941
	ZEXTH	X19, X20				// 3bca0908

	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
	}