static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,

                                 int dstWidth, const uint8_t *src,

                                 int srcW, int xInc)

{

    int16_t *filterPos = c->hLumFilterPos;

    int16_t *filter    = c->hLumFilter;

    void    *mmx2FilterCode= c->lumMmx2FilterCode;

    int i;

#if defined(PIC)

    uint64_t ebxsave;

#endif

#if ARCH_X86_64

    uint64_t retsave;

#endif



    __asm__ volatile(

#if defined(PIC)

        "mov               %%"REG_b", %5        \n\t"

#if ARCH_X86_64

        "mov               -8(%%rsp), %%"REG_a" \n\t"

        "mov               %%"REG_a", %6        \n\t"

#endif

#else

#if ARCH_X86_64

        "mov               -8(%%rsp), %%"REG_a" \n\t"

        "mov               %%"REG_a", %5        \n\t"

#endif

#endif

        "pxor                  %%mm7, %%mm7     \n\t"

        "mov                      %0, %%"REG_c" \n\t"

        "mov                      %1, %%"REG_D" \n\t"

        "mov                      %2, %%"REG_d" \n\t"

        "mov                      %3, %%"REG_b" \n\t"

        "xor               %%"REG_a", %%"REG_a" \n\t" 

        PREFETCH"        (%%"REG_c")            \n\t"

        PREFETCH"      32(%%"REG_c")            \n\t"

        PREFETCH"      64(%%"REG_c")            \n\t"



#if ARCH_X86_64

#define CALL_MMX2_FILTER_CODE \

        "movl            (%%"REG_b"), %%esi     \n\t"\

        "call                    *%4            \n\t"\

        "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\

        "add               %%"REG_S", %%"REG_c" \n\t"\

        "add               %%"REG_a", %%"REG_D" \n\t"\

        "xor               %%"REG_a", %%"REG_a" \n\t"\



#else

#define CALL_MMX2_FILTER_CODE \

        "movl (%%"REG_b"), %%esi        \n\t"\

        "call         *%4                       \n\t"\

        "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\

        "add               %%"REG_a", %%"REG_D" \n\t"\

        "xor               %%"REG_a", %%"REG_a" \n\t"\



#endif 



        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE



#if defined(PIC)

        "mov                      %5, %%"REG_b" \n\t"

#if ARCH_X86_64

        "mov                      %6, %%"REG_a" \n\t"

        "mov               %%"REG_a", -8(%%rsp) \n\t"

#endif

#else

#if ARCH_X86_64

        "mov                      %5, %%"REG_a" \n\t"

        "mov               %%"REG_a", -8(%%rsp) \n\t"

#endif

#endif

        :: "m" (src), "m" (dst), "m" (filter), "m" (filterPos),

           "m" (mmx2FilterCode)

#if defined(PIC)

          ,"m" (ebxsave)

#endif

#if ARCH_X86_64

          ,"m"(retsave)

#endif

        : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D

#if !defined(PIC)

         ,"%"REG_b

#endif

    );



    for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)

        dst[i] = src[srcW-1]*128;

}
