func xlMetaV2TrimData(buf []byte) []byte {
	metaBuf, maj, minor, err := checkXL2V1(buf)
	if err != nil {
		return buf
	}
	if maj == 1 && minor < 1 {
		// First version to carry data.
		return buf
	}
	// Skip header
	_, metaBuf, err = msgp.ReadBytesZC(metaBuf)
	if err != nil {
		storageLogIf(GlobalContext, err)
		return buf
	}
	// Skip CRC
	if maj > 1 || minor >= 2 {

ANDL (f*4)(DI), CX; \ XORL AX, DX; \ MOVL (e*4)(DI), AX; \ NOTL AX; \ ADDL DX, BX; \ ANDL (g*4)(DI), AX; \ XORL CX, AX; \ ADDL BX, AX // Calculate T2 in BX - uses AX, BX, CX and DX registers. // T2 = BIGSIGMA0(a) + Maj(a, b, c) // BIGSIGMA0(x) = ROTR(2,x) XOR ROTR(13,x) XOR ROTR(22,x) // Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z) #define SHA256T2(a, b, c) \ MOVL (a*4)(DI), AX; \ MOVL (c*4)(DI), BX; \ RORL $2, AX; \ MOVL (a*4)(DI), DX; \ ANDL (b*4)(DI), BX; \ RORL $13, DX; \ MOVL (a*4)(DI),...

ANDL (f*4)(DI), CX; \ XORL AX, DX; \ MOVL (e*4)(DI), AX; \ NOTL AX; \ ADDL DX, BX; \ ANDL (g*4)(DI), AX; \ XORL CX, AX; \ ADDL BX, AX // Calculate T2 in BX - uses AX, BX, CX and DX registers. // T2 = BIGSIGMA0(a) + Maj(a, b, c) // BIGSIGMA0(x) = ROTR(2,x) XOR ROTR(13,x) XOR ROTR(22,x) // Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z) #define SHA256T2(a, b, c) \ MOVL (a*4)(DI), AX; \ MOVL (c*4)(DI), BX; \ RORL $2, AX; \ MOVL (a*4)(DI), DX; \ ANDL (b*4)(DI), BX; \ RORL $13, DX; \ MOVL (a*4)(DI),...