gcc/testsuite/gcc.dg/tree-ssa/pr83403.h

   1 __attribute__ ((noinline)) void
   2 calculate (const double *__restrict__ A, const double *__restrict__ B,
   3            double *__restrict__ C)
   4 {
   5   TYPE m = 0;
   6   TYPE n = 0;
   7   TYPE k = 0;
   8
   9   A = (const double *) __builtin_assume_aligned (A, 16);
  10   B = (const double *) __builtin_assume_aligned (B, 16);
  11   C = (double *) __builtin_assume_aligned (C, 16);
  12
  13   for (n = 0; n < 9; n++)
  14     {
  15       for (m = 0; m < 10; m++)
  16         {
  17           C[(n * 10) + m] = 0.0;
  18         }
  19
  20       for (k = 0; k < 17; k++)
  21         {
  22 #pragma simd
  23           for (m = 0; m < 10; m++)
  24             {
  25               C[(n * 10) + m] += A[(k * 20) + m] * B[(n * 20) + k];
  26             }
  27         }
  28     }
  29 }
  30