XzCrc64Opt.c File Reference

#include "Precomp.h"
#include "CpuArch.h"

Macros
#define	Z7_CRC64_NUM_TABLES_USE   12
#define	CRC64_UPDATE_BYTE_2(crc, b)
#define	Q32LE(n, d)
#define	R32(a)
#define	CRC64_FUNC_PRE_LE2(step)
#define	CRC64_FUNC_PRE_LE(step)
#define	CRC64_UPDATE_BYTE_2_BE(crc, b)
#define	Q32BE(n, d)
#define	R32BE(a)
#define	CRC64_FUNC_PRE_BE2(step)
#define	CRC64_FUNC_PRE_BE(step)

Functions
	CRC64_FUNC_PRE_LE (Z7_CRC64_NUM_TABLES_USE)
	CRC64_FUNC_PRE_BE (Z7_CRC64_NUM_TABLES_USE)

Macro Definition Documentation

CRC64_FUNC_PRE_BE

#define CRC64_FUNC_PRE_BE

(

step

)

Value:

        CRC64_FUNC_PRE_BE2(step); \
        CRC64_FUNC_PRE_BE2(step)

CRC64_FUNC_PRE_BE2

#define CRC64_FUNC_PRE_BE2

(

step

)

Value:

UInt64 Z7_FASTCALL XzCrc64UpdateBeT ## step (UInt64 v, const void *data, size_t size, const UInt64 *table)

CRC64_FUNC_PRE_LE

#define CRC64_FUNC_PRE_LE

(

step

)

Value:

        CRC64_FUNC_PRE_LE2(step); \
        CRC64_FUNC_PRE_LE2(step)

CRC64_FUNC_PRE_LE2

#define CRC64_FUNC_PRE_LE2

(

step

)

Value:

UInt64 Z7_FASTCALL XzCrc64UpdateT ## step (UInt64 v, const void *data, size_t size, const UInt64 *table)

CRC64_UPDATE_BYTE_2

#define CRC64_UPDATE_BYTE_2	(		crc,
			b )

Value:

(table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))

CRC64_UPDATE_BYTE_2_BE

#define CRC64_UPDATE_BYTE_2_BE	(		crc,
			b )

Value:

(table[((crc) >> 56) ^ (b)] ^ ((crc) << 8))

Q32BE

#define Q32BE	(		n,
			d )

Value:

    ( (table + ((n) * 4 + 0) * 0x100)[(Byte)(d)] \
    ^ (table + ((n) * 4 + 1) * 0x100)[((d) >> 1 * 8) & 0xFF] \
    ^ (table + ((n) * 4 + 2) * 0x100)[((d) >> 2 * 8) & 0xFF] \
    ^ (table + ((n) * 4 + 3) * 0x100)[((d) >> 3 * 8)] )

Q32LE

#define Q32LE	(		n,
			d )

Value:

    ( (table + ((n) * 4 + 3) * 0x100)[((d)         ) & 0xFF] \
    ^ (table + ((n) * 4 + 2) * 0x100)[((d) >> 1 * 8) & 0xFF] \
    ^ (table + ((n) * 4 + 1) * 0x100)[((d) >> 2 * 8) & 0xFF] \
    ^ (table + ((n) * 4 + 0) * 0x100)[((d) >> 3 * 8)] )

R32

#define R32

(

a

)

Value:

*((const UInt32 *)(const void *)p + (a))

R32BE

#define R32BE

(

a

)

Value:

*((const UInt32 *)(const void *)p + (a))

Z7_CRC64_NUM_TABLES_USE

#define Z7_CRC64_NUM_TABLES_USE   12

Function Documentation

CRC64_FUNC_PRE_BE()

CRC64_FUNC_PRE_BE

(

Z7_CRC64_NUM_TABLES_USE

)

CRC64_FUNC_PRE_LE()

CRC64_FUNC_PRE_LE

(

Z7_CRC64_NUM_TABLES_USE

)