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# UINT16
# EFIAPI
# InternalSyncCompareExchange16 (
# IN volatile UINT16 *Value,
# IN UINT16 CompareValue,
# IN UINT16 ExchangeValue
# );
ASM_GLOBAL ASM_PFX(InternalSyncCompareExchange16)
ASM_PFX(InternalSyncCompareExchange16):
mov 4(%esp), %ecx
mov 8(%esp), %eax
mov 12(%esp), %edx
lock
cmpxchgw %dx, (%ecx)
ret
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