Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-O2 -mcpu=ev67" } */

typedef short INT16;

typedef unsigned int CARD32;

typedef unsigned short CARD16;

typedef unsigned char CARD8;

typedef struct _Picture *PicturePtr;

typedef int FbStride;

typedef unsigned long __m64;

extern __m64 load8888 (__m64);

static __inline __m64 _mm_adds_pu8(__m64 __m1, __m64 __m2)

{

    return __m1 + __builtin_alpha_minsb8(__m2, ~__m1);

}

static __inline __m64 _mm_packs_pu16(__m64 __m1, __m64 __m2)

{

    __m1 = __builtin_alpha_minuw4(__m1, 0x00ff00ff00ff00ff);

    __m2 = __builtin_alpha_minuw4(__m2, 0x00ff00ff00ff00ff);

    return __m1 | (__m2 << 32);

}

typedef unsigned long long ullong;

static __inline__ __m64 pix_multiply(__m64 a)

{

    if (a)

        return a;

}

static __inline__ __m64 over(__m64 src, __m64 srca, __m64 dest)

{

    return _mm_adds_pu8(src, pix_multiply(dest));

}

void fbCompositeSolid_nx8888mmx(CARD8 op, PicturePtr pSrc, PicturePtr pMask,

                                INT16 yDst, CARD16 width, CARD16 height)

{

    CARD32 src;

    CARD32 *dstLine, *dst;

    CARD16 w;

    FbStride dstStride;

    __m64 vsrc, vsrca;

    vsrc = load8888(src);

    while (height--) {

        dst = dstLine;

        dstLine += dstStride;

        while (w && (unsigned long) dst & 7) {

            *dst = _mm_packs_pu16(_mm_adds_pu8(vsrc, load8888(*dst)),

                                  _mm_setzero_si64());

            dst++;

        }

        while (w >= 2) {

            __m64 dest0, dest1;

            *(__m64 *) dst = _mm_packs_pu16(dest0, dest1);

            w -= 2;

        }

        while (w) {

            *dst = _mm_packs_pu16(_mm_adds_pu8(vsrc, pix_multiply(0)), 0);

            w--;

        }

    }

}