gcc/testsuite/gcc.target/i386/pr47800.c

   1 /* PR target/47800 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -march=nocona" } */
   4
   5 int
   6 foo (unsigned char *x, unsigned char *y)
   7 {
   8   unsigned char a;
   9   for (a = 0; x < y; x++)
  10     if (a & 0x80)
  11       a = (unsigned char) (a << 1) + 1 + *x;
  12     else
  13       a = (unsigned char) (a << 1) + *x;
  14   return a;
  15 }