)

// hasVX reports whether the machine has the z/Architecture
// vector facility installed and enabled.
var hasVX = cpu.S390X.HasVX

// vectorizedCastagnoli implements CRC32 using vector instructions.
// It is defined in crc32_s390x.s.
//
//go:noescape
func vectorizedCastagnoli(crc uint32, p []byte) uint32

// vectorizedIEEE implements CRC32 using vector instructions.
// It is defined in crc32_s390x.s.
//
//go:noescape

	MOVD    p+8(FP), R3       // data pointer
	MOVD    p_len+16(FP), R4  // len(p)

	MOVD    $·crclecons(SB), R5
	BR      vectorizedBody<>(SB)

// func vectorizedCastagnoli(crc uint32, p []byte) uint32
TEXT ·vectorizedCastagnoli(SB),NOSPLIT,$0
	MOVWZ   crc+0(FP), R2     // R2 stores the CRC value
	MOVD    p+8(FP), R3       // data pointer
	MOVD    p_len+16(FP), R4  // len(p)