vqsub

Vector Saturating Subtract

VQSUB<c>.<dt> <Qd>, <Qn>, <Qm>

Subtracts elements with saturation.

Details

The Vector Saturating Subtract instruction subtracts elements with saturation.

Pseudocode Operation

Qd ← Qn - Qm
// Flags affected: N, Z, C, V

Example

VQSUB.dt q0, q1, q2

Encoding

Binary Layout
11110010
0
sz
0
Vn
Vd
0010
N
Q
M
1
Vm
 
Format NEON 3-Reg
Opcode 0xF2000210
Extension NEON (SIMD)

Operands

  • Qd
    Destination 128-bit SIMD register
  • Qn
    First source 128-bit SIMD register
  • Qm
    Second source 128-bit SIMD register