Reverse the bit order in a 32-bit word.
is an optional condition code.
is the destination register.
is the register holding the operand.
You cannot use PC for any register.
You can use SP in the A32 instruction but this is deprecated. You cannot use SP in the T32 instruction.
This instruction does not change the flags.
This instruction is available in A32 and T32.
There is no 16-bit version of this instruction in T32.
RBIT r7, r8