mariadb/extra/crc32-vpmsum/ppc-opcode.h
Sergey Vojtovich 9c2215e022 MDEV-9872 - Add common optimized CRC32 function interface
Move crc32-vpmsum to extra.
Compile static crc32-vpmsum instead of adding sources directly.
Make use of crc32-vpmsum via my_checksum().

Based on contribution by Daniel Black.
2016-08-04 10:45:20 +04:00

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C

#ifndef __OPCODES_H
#define __OPCODES_H
#define __PPC_RA(a) (((a) & 0x1f) << 16)
#define __PPC_RB(b) (((b) & 0x1f) << 11)
#define __PPC_XA(a) ((((a) & 0x1f) << 16) | (((a) & 0x20) >> 3))
#define __PPC_XB(b) ((((b) & 0x1f) << 11) | (((b) & 0x20) >> 4))
#define __PPC_XS(s) ((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
#define __PPC_XT(s) __PPC_XS(s)
#define VSX_XX3(t, a, b) (__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
#define VSX_XX1(s, a, b) (__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
#define PPC_INST_VPMSUMW 0x10000488
#define PPC_INST_VPMSUMD 0x100004c8
#define PPC_INST_MFVSRD 0x7c000066
#define PPC_INST_MTVSRD 0x7c000166
#define VPMSUMW(t, a, b) .long PPC_INST_VPMSUMW | VSX_XX3((t), a, b)
#define VPMSUMD(t, a, b) .long PPC_INST_VPMSUMD | VSX_XX3((t), a, b)
#define MFVRD(a, t) .long PPC_INST_MFVSRD | VSX_XX1((t)+32, a, 0)
#define MTVRD(t, a) .long PPC_INST_MTVSRD | VSX_XX1((t)+32, a, 0)
#endif