sxtw

Sign Extend Word

SXTW <Xd>, <Wn>

Sign-extends a 32-bit register to 64 bits (Alias for SBFM).

Details

The Sign Extend Word instruction sign-extends a 32-bit register to 64 bits (Alias for SBFM).

Pseudocode Operation

Xd ← sign/zero-extend(Wn)

Example

SXTW x0, w1

Encoding

Binary Layout
10010011
01
000000
011111
Rn
Rd
 
Format Bitfield
Opcode 0x93407C00
Extension Base

Operands

  • Xd
    Dest (64)
  • Wn
    Source (32)