is an optional condition code.
is permitted only in T32 code, using a preceding
ITinstruction, but this is deprecated in ARMv8. 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