shrn

Shift Right Narrow

SHRN <Vd>.<Tb>, <Vn>.<Ta>, #<shift>

Shifts wide vector right, narrowing to destination (Upper/Lower).

Details

The Shift Right Narrow instruction shifts wide vector right, narrowing to destination (Upper/Lower).

Pseudocode Operation

// Shifts wide vector right, narrowing to destination (Upper/Lower)

Example

SHRN v0.4s.Tb, v1.4s.Ta, #LSL

Encoding

Binary Layout
0
Q
001111
0
imm
1000
01
Rn
Rd
 
Format SIMD Shift Imm
Opcode 0x0F008400
Extension NEON (SIMD)

Operands

  • Vd
    Dest (Narrow)
  • Vn
    Src (Wide)
  • shift
    Imm