(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
i386/
pr37191.c
       1  /* { dg-do compile } */
       2  /* { dg-options "-O1 -mmmx" } */
       3  /* { dg-skip-if "no stdint" { vxworks_kernel } } */
       4  
       5  #include <mmintrin.h>
       6  #include <stddef.h>
       7  #include <stdint.h>
       8  
       9  extern const uint64_t ff_bone;
      10  
      11  static inline void transpose4x4(uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride) {
      12      __m64 row0 = _mm_cvtsi32_si64(*(unsigned*)(src + (0 * src_stride)));
      13      __m64 row1 = _mm_cvtsi32_si64(*(unsigned*)(src + (1 * src_stride)));
      14      __m64 row2 = _mm_cvtsi32_si64(*(unsigned*)(src + (2 * src_stride)));
      15      __m64 row3 = _mm_cvtsi32_si64(*(unsigned*)(src + (3 * src_stride)));
      16      __m64 tmp0 = _mm_unpacklo_pi8(row0, row1);
      17      __m64 tmp1 = _mm_unpacklo_pi8(row2, row3);
      18      __m64 row01 = _mm_unpacklo_pi16(tmp0, tmp1);
      19      __m64 row23 = _mm_unpackhi_pi16(tmp0, tmp1);
      20      *((unsigned*)(dst + (0 * dst_stride))) = _mm_cvtsi64_si32(row01);
      21      *((unsigned*)(dst + (1 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row01, row01));
      22      *((unsigned*)(dst + (2 * dst_stride))) = _mm_cvtsi64_si32(row23);
      23      *((unsigned*)(dst + (3 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row23, row23));
      24  }
      25  
      26  static inline void h264_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha1, int beta1)
      27  {
      28      asm volatile(
      29          ""
      30          :: "r"(pix-2*stride), "r"(pix), "r"((long)stride),
      31             "m"(alpha1), "m"(beta1), "m"(ff_bone)
      32      );
      33  }
      34  
      35  void h264_h_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha, int beta)
      36  {
      37  
      38      uint8_t trans[8*4] __attribute__ ((aligned (8)));
      39      transpose4x4(trans, pix-2, 8, stride);
      40      transpose4x4(trans+4, pix-2+4*stride, 8, stride);
      41      h264_loop_filter_chroma_intra_mmx2(trans+2*8, 8, alpha-1, beta-1);
      42      transpose4x4(pix-2, trans, stride, 8);
      43      transpose4x4(pix-2+4*stride, trans+4, stride, 8);
      44  }