gcc/testsuite/gcc.target/i386/hle-xadd-rel-1.c - gcc - Git at Google

 /* { dg-do compile } */
 /* { dg-options "-march=x86-64 -mhle" } */
 /* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xrelease\|\.byte\[ \t\]+0xf3\)\[ \t\n\]+xadd" } } */

 int
 hle_xadd (int *p, int v)
 {
   return __atomic_fetch_add (p, v, __ATOMIC_RELEASE | __ATOMIC_HLE_RELEASE);
 }
	/* { dg-do compile } */
	/* { dg-options "-march=x86-64 -mhle" } */
	/* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xrelease\\|\.byte\[ \t\]+0xf3\)\[ \t\n\]+xadd" } } */

	int
	hle_xadd (int *p, int v)
	{
	return __atomic_fetch_add (p, v, __ATOMIC_RELEASE \| __ATOMIC_HLE_RELEASE);
	}