1/* $DragonFly: src/test/cpuperf/cpu_cmpexg.S,v 1.1 2004/02/09 18:08:54 dillon Exp $ */ 2 3 .globl test_dummy 4 .globl test_load 5 .globl test_str 6 7 .p2align 5 8test_dummy: 9 movl 4(%esp),%ecx 10 movl $0,%edx 11 movl $1,%eax 12 movl %ebx,%edx 13 movl $0,(%ecx) 14 addl $3,%eax 15 ret 16 17 .p2align 5 18test_load: 19 movl 4(%esp),%ecx 20 movl $0,%edx 21 movl $1,%eax 22 cmpxchgl %edx,(%ecx) /* instruction under test */ 23 movl %ebx,%edx 24 movl $0,(%ecx) 25 addl $3,%eax 26 ret 27 28 .p2align 5 29test_str: 30 .asciz "non-locked cmpxchgl (successful exchange) in pipeline" 31 32