static void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *dst2,

                                 int dstWidth, const uint8_t *src1,

                                 const uint8_t *src2, int srcW, int xInc)

{

    int16_t *filterPos = c->hChrFilterPos;

    int16_t *filter    = c->hChrFilter;

    void    *mmx2FilterCode= c->chrMmx2FilterCode;

    int i;

#if defined(PIC)

    DECLARE_ALIGNED(8, uint64_t, ebxsave);

#endif

#if ARCH_X86_64

    DECLARE_ALIGNED(8, uint64_t, retsave);

#endif



    __asm__ volatile(

#if defined(PIC)

        "mov          %%"REG_b", %7         \n\t"

#if ARCH_X86_64

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

        "mov          %%"REG_a", %8         \n\t"

#endif

#else

#if ARCH_X86_64

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

        "mov          %%"REG_a", %7         \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" // i

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

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

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



        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

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

        "mov                 %5, %%"REG_c"  \n\t" // src

        "mov                 %6, %%"REG_D"  \n\t" // buf2

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

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

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



        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE

        CALL_MMX2_FILTER_CODE



#if defined(PIC)

        "mov %7, %%"REG_b"    \n\t"

#if ARCH_X86_64

        "mov                 %8, %%"REG_a"  \n\t"

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

#endif

#else

#if ARCH_X86_64

        "mov                 %7, %%"REG_a"  \n\t"

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

#endif

#endif

        :: "m" (src1), "m" (dst1), "m" (filter), "m" (filterPos),

           "m" (mmx2FilterCode), "m" (src2), "m"(dst2)

#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--) {

        dst1[i] = src1[srcW-1]*128;

        dst2[i] = src2[srcW-1]*128;

    }

}
