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mmx.h

/*
 * mmx.h
 * Copyright (C) 1997-2001 H. Dietz and R. Fisher
 */
#ifndef AVCODEC_I386MMX_H
#define AVCODEC_I386MMX_H

#ifdef ARCH_X86_64
#  define REG_a "rax"
#  define REG_b "rbx"
#  define REG_c "rcx"
#  define REG_d "rdx"
#  define REG_D "rdi"
#  define REG_S "rsi"
#  define PTR_SIZE "8"
#else
#  define REG_a "eax"
#  define REG_b "ebx"
#  define REG_c "ecx"
#  define REG_d "edx"
#  define REG_D "edi"
#  define REG_S "esi"
#  define PTR_SIZE "4"
#endif

/*
 * 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 */
} 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")

/* SSE2 */
#define         pshufhw_m2r(var,reg,imm)    mmx_m2ri(pshufhw, var, reg, imm)
#define         pshufhw_r2r(regs,regd,imm)  mmx_r2ri(pshufhw, regs, regd, imm)
#define         pshuflw_m2r(var,reg,imm)    mmx_m2ri(pshuflw, var, reg, imm)
#define         pshuflw_r2r(regs,regd,imm)  mmx_r2ri(pshuflw, regs, regd, imm)

#define         pshufd_r2r(regs,regd,imm)   mmx_r2ri(pshufd, regs, regd, imm)

#define         movdqa_m2r(var,reg)         mmx_m2r (movdqa, var, reg)
#define         movdqa_r2m(reg,var)         mmx_r2m (movdqa, reg, var)
#define         movdqa_r2r(regs,regd)       mmx_r2r (movdqa, regs, regd)
#define         movdqu_m2r(var,reg)         mmx_m2r (movdqu, var, reg)
#define         movdqu_r2m(reg,var)         mmx_r2m (movdqu, reg, var)
#define         movdqu_r2r(regs,regd)       mmx_r2r (movdqu, regs, regd)

#define         pmullw_r2m(reg,var)         mmx_r2m (pmullw, reg, var)

#define         pslldq_i2r(imm,reg)         mmx_i2r (pslldq, imm, reg)
#define         psrldq_i2r(imm,reg)         mmx_i2r (psrldq, imm, reg)

#define         punpcklqdq_r2r(regs,regd)   mmx_r2r (punpcklqdq, regs, regd)
#define         punpckhqdq_r2r(regs,regd)   mmx_r2r (punpckhqdq, regs, regd)


#endif /* AVCODEC_I386MMX_H */

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