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mmx.h

/*
 * 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
 */

#include "attributes.h"

/*
 * 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 {
      long long         q;    /* Quadword (64-bit) value */
      unsigned long long      uq;   /* Unsigned Quadword */
      int               d[2]; /* 2 Doubleword (32-bit) values */
      unsigned int            ud[2];      /* 2 Unsigned Doubleword */
      short             w[4]; /* 4 Word (16-bit) values */
      unsigned short          uw[4];      /* 4 Unsigned Word */
      char              b[8]; /* 8 Byte (8-bit) values */
      unsigned char           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_si2r(op,imm,reg) \
      __asm__ __volatile__ (#op " %0, %%" #reg \
                        : /* nothing */ \
                        : "J" (imm) )

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

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

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


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

#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_si2r (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_si2r (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_si2r (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_si2r (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_si2r (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_si2r (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_si2r (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_si2r (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)

/* 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))

/* 3DNow goodies */
#define pfmul_m2r(var,reg) mmx_m2r( pfmul, var, reg )
#define pfmul_r2r(regs,regd) mmx_r2r( pfmul, regs, regd )
#define pfadd_m2r(var,reg) mmx_m2r( pfadd, var, reg )
#define pfadd_r2r(regs,regd) mmx_r2r( pfadd, regs, regd )
#define pf2id_r2r(regs,regd) mmx_r2r( pf2id, regs, regd )
#define pi2fd_r2r(regs,regd) mmx_r2r( pi2fd, regs, regd )

/* SSE goodies */
#define mulps_r2r( regs, regd) mmx_r2r( mulps, regs, regd )
#define mulps_m2r( var, regd) mmx_m2r( mulps, var, regd )
#define movups_r2r(reg1, reg2) mmx_r2r( movups, reg1, reg2 )
#define movups_m2r(var, reg) mmx_m2r( movups, var, reg )
#define movaps_m2r(var, reg) mmx_m2r( movaps, var, reg )
#define movups_r2m(reg, var) mmx_r2m( movups, reg, var )
#define movaps_r2m(reg, var) mmx_r2m( movaps, reg, var )
#define cvtps2pi_r2r(regs,regd) mmx_r2r( cvtps2pi, regs, regd )
#define cvtpi2ps_r2r(regs,regd) mmx_r2r( cvtpi2ps, regs, regd )
#define shufps_r2ri(regs, regd, imm) mmx_r2ri( shufps, regs, regd, imm )


#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_m2ri(var,reg,imm)      mmx_m2ri( pshufw, var, reg, imm)
#define     pshufw_r2ri(regs,regd,imm)    mmx_r2ri( pshufw, regs, regd, imm)

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

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