Esempi in C++ (Cpp) per signed_saturate_to_word

Esempio n. 1

File: ssse3-pmaddubsw.c Progetto: IntegerCompany/linaro-android-gcc

/* Routine to manually compute the results */
static void
compute_correct_result (int *i1, int *i2, int *r)
{
  unsigned char *ub1 = (unsigned char *) i1;
  char *sb2 = (char *) i2;
  short *sout = (short *) r;
  int t0;
  int i;

  for (i = 0; i < 8; i++)
    { 
      t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
	    (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
      sout[i] = signed_saturate_to_word (t0);
    }
}

Esempio n. 2

File: avx2-vpmaddubsw-2.c Progetto: 0day-ci/gcc

static void
compute_pmaddubsw256 (short *i1, short *i2, short *r)
{
  unsigned char *ub1 = (unsigned char *) i1;
  char *sb2 = (char *) i2;
  short *sout = (short *) r;
  int t0;
  int i;

  for (i = 0; i < 16; i++)
    {
      t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
	    (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
      sout[i] = signed_saturate_to_word (t0);
    }
}