61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O2 -mcpu=ev67" } */
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typedef short INT16;
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typedef unsigned int CARD32;
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typedef unsigned short CARD16;
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typedef unsigned char CARD8;
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typedef struct _Picture *PicturePtr;
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typedef int FbStride;
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typedef unsigned long __m64;
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extern __m64 load8888 (__m64);
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static __inline __m64 _mm_adds_pu8(__m64 __m1, __m64 __m2)
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{
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return __m1 + __builtin_alpha_minsb8(__m2, ~__m1);
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}
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static __inline __m64 _mm_packs_pu16(__m64 __m1, __m64 __m2)
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{
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__m1 = __builtin_alpha_minuw4(__m1, 0x00ff00ff00ff00ff);
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__m2 = __builtin_alpha_minuw4(__m2, 0x00ff00ff00ff00ff);
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return __m1 | (__m2 << 32);
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}
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typedef unsigned long long ullong;
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static __inline__ __m64 pix_multiply(__m64 a)
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{
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if (a)
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return a;
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}
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static __inline__ __m64 over(__m64 src, __m64 srca, __m64 dest)
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{
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return _mm_adds_pu8(src, pix_multiply(dest));
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}
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void fbCompositeSolid_nx8888mmx(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
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INT16 yDst, CARD16 width, CARD16 height)
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{
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CARD32 src;
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CARD32 *dstLine, *dst;
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CARD16 w;
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FbStride dstStride;
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__m64 vsrc, vsrca;
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vsrc = load8888(src);
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while (height--) {
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dst = dstLine;
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dstLine += dstStride;
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while (w && (unsigned long) dst & 7) {
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*dst = _mm_packs_pu16(_mm_adds_pu8(vsrc, load8888(*dst)),
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_mm_setzero_si64());
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dst++;
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}
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while (w >= 2) {
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__m64 dest0, dest1;
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*(__m64 *) dst = _mm_packs_pu16(dest0, dest1);
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w -= 2;
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}
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while (w) {
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*dst = _mm_packs_pu16(_mm_adds_pu8(vsrc, pix_multiply(0)), 0);
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w--;
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}
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}
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}
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