gcc/testsuite/gcc.target/i386/pr57106.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fschedule-insns -funroll-all-loops -fcompare-debug" } */
   3
   4 typedef void block128_f (int *, int);
   5
   6 void
   7 foo (int *out, int *iv, block128_f block)
   8 {
   9   while (1)
  10     {
  11       *out = *out ^ *iv;
  12       block (out, *out);
  13       iv = out;
  14     }
  15 }