gcc/testsuite/gcc.target/arc/mno-lock.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mno-lock" } */
   3 /* Would also like to assemble and check that we get the expected
   4    "Error: bad instruction" assembler messages, but at the moment our
   5    testharness can't do that.  */
   6
   7 int f (void *p)
   8 {
   9   int i;
  10
  11   __asm__("llock %0, [%1]\n\t"
  12           "scond %0, [%1]" : "=&r"(i) : "r"(p));
  13   return i;
  14 }