/* $DragonFly: src/test/cpuperf/cpu_cmpexg.S,v 1.1 2004/02/09 18:08:54 dillon Exp $ */

        .globl  test_dummy
        .globl  test_load
        .globl  test_str

        .p2align 5
test_dummy:
        movl    4(%esp),%ecx
        movl    $0,%edx
        movl    $1,%eax
        movl    %ebx,%edx
        movl    $0,(%ecx)
        addl    $3,%eax
        ret

        .p2align 5
test_load:
        movl    4(%esp),%ecx
        movl    $0,%edx
        movl    $1,%eax
        cmpxchgl        %edx,(%ecx)     /* instruction under test */
        movl    %ebx,%edx
        movl    $0,(%ecx)
        addl    $3,%eax
        ret

        .p2align 5
test_str:
        .asciz  "non-locked cmpxchgl (successful exchange) in pipeline"