gcc/testsuite/gcc.target/i386/rotate-1.c

   1 /* Verify that rolb instruction is emitted on IA-32/x86-64.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 void foo (unsigned char *);
   6
   7 int
   8 main (void)
   9 {
  10   unsigned char c = 0;
  11   foo (&c);
  12   c = c >> 1 | c << 7;
  13   return c;
  14 }
  15
  16 /* { dg-final { scan-assembler "ro\[lr]b" } } */