shll

Shift Left Long

SHLL <Vd>.<Td>, <Vn>.<Ts>, #<shift>

Shifts narrow vector left, extending to wide result.

Details

The Shift Left Long instruction shifts narrow vector left, extending to wide result.

Pseudocode Operation

// Shifts narrow vector left, extending to wide result

Example

SHLL v0.4s.Td, v1.4s.Ts, #LSL

Encoding

Binary Layout
0
1
001111
0
imm
1010
01
Rn
Rd
 
Format SIMD Shift Imm
Opcode 0x2F00A400
Extension NEON (SIMD)

Operands

  • Vd
    Dest (Wide)
  • Vn
    First source SIMD/FP vector register
  • shift
    Imm