Subversion Repositories scarts

/* { dg-do compile } */

/* { dg-options "-O2 -funroll-loops -march=nocona" } */

#include <mmintrin.h>

int W;

void f()

{

  int j;

  int B, C;

  unsigned char* S;

  __m64 *T = (__m64 *) &W;

  for (j = 0; j < 16; j++, T++)

  {

    T[0] = T[1] = _mm_set1_pi8(*S);

    S += W;

  }

  C = 3 * B;

  __m64 E = _mm_set_pi16(3 * B, 3 * B, 3 * B, 5 * B);

  __m64 G = _mm_set1_pi16(3 * B);

  for (j = 0; j < 16; j++)

  {

    __m64 R = _mm_set1_pi16(B + j * C);

    R = _m_paddw(R, E);

    R = _m_paddw(R, G);

    T[0] = _mm_srai_pi16(R, 3);

  }

}