gcc/testsuite/gcc.dg/sms-11.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
   3
   4 extern void abort (void);
   5
   6 float out[4][4] = { 6, 6, 7, 5, 6, 7, 5, 5, 6, 4, 4, 4, 6, 2, 3, 4 };
   7
   8 void
   9 invert (void)
  10 {
  11   int i, j, k = 0, swap;
  12   float tmp[4][4] = { 5, 6, 7, 5, 6, 7, 5, 5, 4, 4, 4, 4, 3, 2, 3, 4 };
  13
  14   for (i = 0; i < 4; i++)
  15     {
  16       for (j = i + 1; j < 4; j++)
  17         if (tmp[j][i] > tmp[i][i])
  18           swap = j;
  19
  20       if (swap != i)
  21         tmp[i][k] = tmp[swap][k];
  22     }
  23
  24   for (i = 0; i < 4; i++)
  25     for (j = 0; j < 4; j++)
  26       if (tmp[i][j] != out[i][j])
  27         abort ();
  28 }
  29
  30 int
  31 main ()
  32 {
  33   invert ();
  34   return 0;
  35 }
  36