is an optional condition code.
is permitted only in T32 code, using a preceding
ITinstruction, but this is deprecated in Arm®v8. This is an unconditional instruction in A32.
CLREX instruction to clear the local record of the executing processor
that an address has had a request for an exclusive access.
CLREX returns a closely-coupled exclusive access monitor to its
open-access state. This removes the requirement for a dummy store to memory.
It is implementation defined whether
clears the global record of the executing processor that an address
has had a request for an exclusive access.
This 32-bit instruction is available in A32 and T32.
There is no 16-bit
CLREX instruction in