uxtah

Unsigned Extend and Add Halfword

UXTAH<c> <Rd>, <Rn>, <Rm> {, <rotation>}

Zero-extends a halfword and adds to Rn.

Details

The Unsigned Extend and Add Halfword instruction zero-extends a halfword and adds to Rn.

Pseudocode Operation

Rd ← Rn + Rm
// Flags affected: N, Z, C, V

Example

UXTAH r0, r1, r2

Encoding

Binary Layout
cond
01101111
Rn
Rd
rot
0111
Rm
 
Format Data Proc
Opcode 0x06F00070
Extension A32 (DSP)

Operands

  • Rd
    Destination general-purpose register
  • Rn
    Accumulator
  • Rm
    Second source / offset general-purpose register