gcc/testsuite/gcc.dg/pr87746.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Ofast" } */
   3 /* { dg-additional-options "-mavx2" { target x86_64-*-* i?86-*-* } } */
   4
   5 typedef struct rtx_def *rtx;
   6 struct replacement {
   7     rtx *where;
   8     rtx *subreg_loc;
   9     int mode;
  10 };
  11 static struct replacement replacements[150];
  12 void move_replacements (rtx *x, rtx *y, int n_replacements)
  13 {
  14   int i;
  15   for (i = 0; i < n_replacements; i++)
  16     if (replacements[i].subreg_loc == x)
  17       replacements[i].subreg_loc = y;
  18     else if (replacements[i].where == x)
  19       {
  20         replacements[i].where = y;
  21         replacements[i].subreg_loc = 0;
  22       }
  23 }