16.172 UXTB

Unsigned Extend Byte.

This instruction is an alias of UBFM.

The equivalent instruction is UBFM Wd, Wn, #0, #7.

Syntax

UXTB Wd, Wn

Where:

Wd
Is the 32-bit name of the general-purpose destination register.
Wn
Is the 32-bit name of the general-purpose source register.

Operation

Unsigned Extend Byte extracts an 8-bit value from a register, zero-extends it to the size of the register, and writes the result to the destination register.

Wd = ZeroExtend(Wn<7:0>).

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