/*
 * mmx.h
 * Copyright (C) 1997-1999 H. Dietz and R. Fisher
 *
 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
 *
 * mpeg2dec is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * mpeg2dec is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * The type of an value that fits in an MMX register (note that long
 * long constant values MUST be suffixed by LL and unsigned long long
 * values by ULL, lest they be truncated by the compiler)
 */

typedef    union {
    int64_t            q;    /* Quadword (64-bit) value */
    uint64_t        uq;    /* Unsigned Quadword */
    int32_t            d[2];    /* 2 Doubleword (32-bit) values */
    uint32_t        ud[2];    /* 2 Unsigned Doubleword */
    int16_t            w[4];    /* 4 Word (16-bit) values */
    uint16_t        uw[4];    /* 4 Unsigned Word */
    int8_t            b[8];    /* 8 Byte (8-bit) values */
    uint8_t            ub[8];    /* 8 Unsigned Byte */
    float            s[2];    /* Single-precision (32-bit) value */
} ATTR_ALIGN(8) mmx_t;    /* On an 8-byte (64-bit) boundary */


#define    mmx_i2r(op,imm,reg) \
    __asm__ __volatile__ (#op " %0, %%" #reg \
                  : /* nothing */ \
                  : "i" (imm) )

#define    mmx_m2r(op,mem,reg) \
    __asm__ __volatile__ (#op " %0, %%" #reg \
                  : /* nothing */ \
                  : "m" (mem))

#define    mmx_r2m(op,reg,mem) \
    __asm__ __volatile__ (#op " %%" #reg ", %0" \
                  : "=m" (mem) \
                  : /* nothing */ )

#define    mmx_r2r(op,regs,regd) \
    __asm__ __volatile__ (#op " %" #regs ", %" #regd)


#define    emms() __asm__ __volatile__ ("emms")

#define    movd_m2r(var,reg)    mmx_m2r (movd, var, reg)
#define    movd_r2m(reg,var)    mmx_r2m (movd, reg, var)
#define    movd_r2r(regs,regd)    mmx_r2r (movd, regs, regd)

#define    movq_m2r(var,reg)    mmx_m2r (movq, var, reg)
#define    movq_r2m(reg,var)    mmx_r2m (movq, reg, var)
#define    movq_r2r(regs,regd)    mmx_r2r (movq, regs, regd)

#define    packssdw_m2r(var,reg)    mmx_m2r (packssdw, var, reg)
#define    packssdw_r2r(regs,regd) mmx_r2r (packssdw, regs, regd)
#define    packsswb_m2r(var,reg)    mmx_m2r (packsswb, var, reg)
#define    packsswb_r2r(regs,regd) mmx_r2r (packsswb, regs, regd)

#define    packuswb_m2r(var,reg)    mmx_m2r (packuswb, var, reg)
#define    packuswb_r2r(regs,regd) mmx_r2r (packuswb, regs, regd)

#define    paddb_m2r(var,reg)    mmx_m2r (paddb, var, reg)
#define    paddb_r2r(regs,regd)    mmx_r2r (paddb, regs, regd)
#define    paddd_m2r(var,reg)    mmx_m2r (paddd, var, reg)
#define    paddd_r2r(regs,regd)    mmx_r2r (paddd, regs, regd)
#define    paddw_m2r(var,reg)    mmx_m2r (paddw, var, reg)
#define    paddw_r2r(regs,regd)    mmx_r2r (paddw, regs, regd)

#define    paddsb_m2r(var,reg)    mmx_m2r (paddsb, var, reg)
#define    paddsb_r2r(regs,regd)    mmx_r2r (paddsb, regs, regd)
#define    paddsw_m2r(var,reg)    mmx_m2r (paddsw, var, reg)
#define    paddsw_r2r(regs,regd)    mmx_r2r (paddsw, regs, regd)

#define    paddusb_m2r(var,reg)    mmx_m2r (paddusb, var, reg)
#define    paddusb_r2r(regs,regd)    mmx_r2r (paddusb, regs, regd)
#define    paddusw_m2r(var,reg)    mmx_m2r (paddusw, var, reg)
#define    paddusw_r2r(regs,regd)    mmx_r2r (paddusw, regs, regd)

#define    pand_m2r(var,reg)    mmx_m2r (pand, var, reg)
#define    pand_r2r(regs,regd)    mmx_r2r (pand, regs, regd)

#define    pandn_m2r(var,reg)    mmx_m2r (pandn, var, reg)
#define    pandn_r2r(regs,regd)    mmx_r2r (pandn, regs, regd)

#define    pcmpeqb_m2r(var,reg)    mmx_m2r (pcmpeqb, var, reg)
#define    pcmpeqb_r2r(regs,regd)    mmx_r2r (pcmpeqb, regs, regd)
#define    pcmpeqd_m2r(var,reg)    mmx_m2r (pcmpeqd, var, reg)
#define    pcmpeqd_r2r(regs,regd)    mmx_r2r (pcmpeqd, regs, regd)
#define    pcmpeqw_m2r(var,reg)    mmx_m2r (pcmpeqw, var, reg)
#define    pcmpeqw_r2r(regs,regd)    mmx_r2r (pcmpeqw, regs, regd)

#define    pcmpgtb_m2r(var,reg)    mmx_m2r (pcmpgtb, var, reg)
#define    pcmpgtb_r2r(regs,regd)    mmx_r2r (pcmpgtb, regs, regd)
#define    pcmpgtd_m2r(var,reg)    mmx_m2r (pcmpgtd, var, reg)
#define    pcmpgtd_r2r(regs,regd)    mmx_r2r (pcmpgtd, regs, regd)
#define    pcmpgtw_m2r(var,reg)    mmx_m2r (pcmpgtw, var, reg)
#define    pcmpgtw_r2r(regs,regd)    mmx_r2r (pcmpgtw, regs, regd)

#define    pmaddwd_m2r(var,reg)    mmx_m2r (pmaddwd, var, reg)
#define    pmaddwd_r2r(regs,regd)    mmx_r2r (pmaddwd, regs, regd)

#define    pmulhw_m2r(var,reg)    mmx_m2r (pmulhw, var, reg)
#define    pmulhw_r2r(regs,regd)    mmx_r2r (pmulhw, regs, regd)

#define    pmullw_m2r(var,reg)    mmx_m2r (pmullw, var, reg)
#define    pmullw_r2r(regs,regd)    mmx_r2r (pmullw, regs, regd)

#define    por_m2r(var,reg)    mmx_m2r (por, var, reg)
#define    por_r2r(regs,regd)    mmx_r2r (por, regs, regd)

#define    pslld_i2r(imm,reg)    mmx_i2r (pslld, imm, reg)
#define    pslld_m2r(var,reg)    mmx_m2r (pslld, var, reg)
#define    pslld_r2r(regs,regd)    mmx_r2r (pslld, regs, regd)
#define    psllq_i2r(imm,reg)    mmx_i2r (psllq, imm, reg)
#define    psllq_m2r(var,reg)    mmx_m2r (psllq, var, reg)
#define    psllq_r2r(regs,regd)    mmx_r2r (psllq, regs, regd)
#define    psllw_i2r(imm,reg)    mmx_i2r (psllw, imm, reg)
#define    psllw_m2r(var,reg)    mmx_m2r (psllw, var, reg)
#define    psllw_r2r(regs,regd)    mmx_r2r (psllw, regs, regd)

#define    psrad_i2r(imm,reg)    mmx_i2r (psrad, imm, reg)
#define    psrad_m2r(var,reg)    mmx_m2r (psrad, var, reg)
#define    psrad_r2r(regs,regd)    mmx_r2r (psrad, regs, regd)
#define    psraw_i2r(imm,reg)    mmx_i2r (psraw, imm, reg)
#define    psraw_m2r(var,reg)    mmx_m2r (psraw, var, reg)
#define    psraw_r2r(regs,regd)    mmx_r2r (psraw, regs, regd)

#define    psrld_i2r(imm,reg)    mmx_i2r (psrld, imm, reg)
#define    psrld_m2r(var,reg)    mmx_m2r (psrld, var, reg)
#define    psrld_r2r(regs,regd)    mmx_r2r (psrld, regs, regd)
#define    psrlq_i2r(imm,reg)    mmx_i2r (psrlq, imm, reg)
#define    psrlq_m2r(var,reg)    mmx_m2r (psrlq, var, reg)
#define    psrlq_r2r(regs,regd)    mmx_r2r (psrlq, regs, regd)
#define    psrlw_i2r(imm,reg)    mmx_i2r (psrlw, imm, reg)
#define    psrlw_m2r(var,reg)    mmx_m2r (psrlw, var, reg)
#define    psrlw_r2r(regs,regd)    mmx_r2r (psrlw, regs, regd)

#define    psubb_m2r(var,reg)    mmx_m2r (psubb, var, reg)
#define    psubb_r2r(regs,regd)    mmx_r2r (psubb, regs, regd)
#define    psubd_m2r(var,reg)    mmx_m2r (psubd, var, reg)
#define    psubd_r2r(regs,regd)    mmx_r2r (psubd, regs, regd)
#define    psubw_m2r(var,reg)    mmx_m2r (psubw, var, reg)
#define    psubw_r2r(regs,regd)    mmx_r2r (psubw, regs, regd)

#define    psubsb_m2r(var,reg)    mmx_m2r (psubsb, var, reg)
#define    psubsb_r2r(regs,regd)    mmx_r2r (psubsb, regs, regd)
#define    psubsw_m2r(var,reg)    mmx_m2r (psubsw, var, reg)
#define    psubsw_r2r(regs,regd)    mmx_r2r (psubsw, regs, regd)

#define    psubusb_m2r(var,reg)    mmx_m2r (psubusb, var, reg)
#define    psubusb_r2r(regs,regd)    mmx_r2r (psubusb, regs, regd)
#define    psubusw_m2r(var,reg)    mmx_m2r (psubusw, var, reg)
#define    psubusw_r2r(regs,regd)    mmx_r2r (psubusw, regs, regd)

#define    punpckhbw_m2r(var,reg)        mmx_m2r (punpckhbw, var, reg)
#define    punpckhbw_r2r(regs,regd)    mmx_r2r (punpckhbw, regs, regd)
#define    punpckhdq_m2r(var,reg)        mmx_m2r (punpckhdq, var, reg)
#define    punpckhdq_r2r(regs,regd)    mmx_r2r (punpckhdq, regs, regd)
#define    punpckhwd_m2r(var,reg)        mmx_m2r (punpckhwd, var, reg)
#define    punpckhwd_r2r(regs,regd)    mmx_r2r (punpckhwd, regs, regd)

#define    punpcklbw_m2r(var,reg)         mmx_m2r (punpcklbw, var, reg)
#define    punpcklbw_r2r(regs,regd)    mmx_r2r (punpcklbw, regs, regd)
#define    punpckldq_m2r(var,reg)        mmx_m2r (punpckldq, var, reg)
#define    punpckldq_r2r(regs,regd)    mmx_r2r (punpckldq, regs, regd)
#define    punpcklwd_m2r(var,reg)        mmx_m2r (punpcklwd, var, reg)
#define    punpcklwd_r2r(regs,regd)    mmx_r2r (punpcklwd, regs, regd)

#define    pxor_m2r(var,reg)    mmx_m2r (pxor, var, reg)
#define    pxor_r2r(regs,regd)    mmx_r2r (pxor, regs, regd)


/* 3DNOW extensions */

#define pavgusb_m2r(var,reg)    mmx_m2r (pavgusb, var, reg)
#define pavgusb_r2r(regs,regd)    mmx_r2r (pavgusb, regs, regd)


/* AMD MMX extensions - also available in intel SSE */


#define mmx_m2ri(op,mem,reg,imm) \
        __asm__ __volatile__ (#op " %1, %0, %%" #reg \
                              : /* nothing */ \
                              : "X" (mem), "X" (imm))
#define mmx_r2ri(op,regs,regd,imm) \
        __asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \
                              : /* nothing */ \
                              : "X" (imm) )

#define    mmx_fetch(mem,hint) \
    __asm__ __volatile__ ("prefetch" #hint " %0" \
                  : /* nothing */ \
                  : "X" (mem))


#define    maskmovq(regs,maskreg)        mmx_r2ri (maskmovq, regs, maskreg)

#define    movntq_r2m(mmreg,var)        mmx_r2m (movntq, mmreg, var)

#define    pavgb_m2r(var,reg)        mmx_m2r (pavgb, var, reg)
#define    pavgb_r2r(regs,regd)        mmx_r2r (pavgb, regs, regd)
#define    pavgw_m2r(var,reg)        mmx_m2r (pavgw, var, reg)
#define    pavgw_r2r(regs,regd)        mmx_r2r (pavgw, regs, regd)

#define    pextrw_r2r(mmreg,reg,imm)    mmx_r2ri (pextrw, mmreg, reg, imm)

#define    pinsrw_r2r(reg,mmreg,imm)    mmx_r2ri (pinsrw, reg, mmreg, imm)

#define    pmaxsw_m2r(var,reg)        mmx_m2r (pmaxsw, var, reg)
#define    pmaxsw_r2r(regs,regd)        mmx_r2r (pmaxsw, regs, regd)

#define    pmaxub_m2r(var,reg)        mmx_m2r (pmaxub, var, reg)
#define    pmaxub_r2r(regs,regd)        mmx_r2r (pmaxub, regs, regd)

#define    pminsw_m2r(var,reg)        mmx_m2r (pminsw, var, reg)
#define    pminsw_r2r(regs,regd)        mmx_r2r (pminsw, regs, regd)

#define    pminub_m2r(var,reg)        mmx_m2r (pminub, var, reg)
#define    pminub_r2r(regs,regd)        mmx_r2r (pminub, regs, regd)

#define    pmovmskb(mmreg,reg) \
    __asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg)

#define    pmulhuw_m2r(var,reg)        mmx_m2r (pmulhuw, var, reg)
#define    pmulhuw_r2r(regs,regd)        mmx_r2r (pmulhuw, regs, regd)

#define    prefetcht0(mem)            mmx_fetch (mem, t0)
#define    prefetcht1(mem)            mmx_fetch (mem, t1)
#define    prefetcht2(mem)            mmx_fetch (mem, t2)
#define    prefetchnta(mem)        mmx_fetch (mem, nta)

#define    psadbw_m2r(var,reg)        mmx_m2r (psadbw, var, reg)
#define    psadbw_r2r(regs,regd)        mmx_r2r (psadbw, regs, regd)

#define    pshufw_m2r(var,reg,imm)        mmx_m2ri(pshufw, var, reg, imm)
#define    pshufw_r2r(regs,regd,imm)    mmx_r2ri(pshufw, regs, regd, imm)

#define    sfence() __asm__ __volatile__ ("sfence\n\t")
