gcc/testsuite/gcc.dg/vect/pr56787.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 inline void
   5 bar (const float s[5], float z[3][5])
   6 {
   7   float a = s[0], b = s[1], c = s[2], d = s[3], e = s[4];
   8   float f = a;
   9   float u = f * b, v = f * c, w = f * d;
  10   float p = 0.4f * (e - 0.5f * (b * u + c * v + d * w));
  11   z[0][3] = b * w;
  12   z[1][3] = c * w;
  13   z[2][3] = d * w + p;
  14 }
  15
  16 void
  17 foo (unsigned long n, const float *__restrict u0,
  18      const float *__restrict u1, const float *__restrict u2,
  19      const float *__restrict u3, const float *__restrict u4,
  20      const float *__restrict s0, const float *__restrict s1,
  21      const float *__restrict s2, float *__restrict t3,
  22      float *__restrict t4)
  23 {
  24   unsigned long i;
  25   for (i = 0; i < n; i++)
  26     {
  27       float u[5], f[3][5];
  28       u[0] = u0[i]; u[1] = u1[i]; u[2] = u2[i]; u[3] = u3[i]; u[4] = u4[i];
  29       bar (u, f);
  30       t3[i] = s0[i] * f[0][3] + s1[i] * f[1][3] + s2[i] * f[2][3];
  31     }
  32 }
  33
  34 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */