Zero extend two Bytes and Add.
is an optional condition code.
is the destination register.
is the register holding the number to add.
is the register holding the value to extend.
is one of:
is rotated right 8 bits.
is rotated right 16 bits.
is rotated right 24 bits.
is omitted, no rotation is performed.
UXTAB16 extends two 8-bit values to two 16-bit values. It does this
Rotating the value from
right by 0, 8, 16 or 24 bits.
Extracting bits[23:16] and bits[7:0] from the value obtained.
Zero extending them to 16 bits.
Adding them to bits[31:16] and bits[15:0] respectively of
to form bits[31:16] and bits[15:0] of the result.
You cannot use PC for any operand.
You can use SP in A32 instructions but this is deprecated. You cannot use SP in T32 instructions.
This instruction does not change the flags.
The 32-bit instruction is available in A32 and T32.
There is no 16-bit version of this instruction in T32.
UXTAB16EQ r0, r0, r4, ROR #16