VAMOADDD.V

Vector Atomic Add Doubleword

VAMOADDD.V vd, (rs1), vs2, vm

Atomically adds elements from vs2 to memory addresses (64-bit).

Details

Vector Atomic Add Doubleword: Atomically adds elements from vs2 to memory addresses (64-bit). Operation: AtomicAdd(rs1 + vs2[i], vd[i]);.

Pseudocode Operation

AtomicAdd(rs1 + vs2[i], vd[i]);

Example

VAMOADDD.V v1, a0, v4, v0.t

Encoding

Binary Layout
000001
31:26
00000
25:21
vm
20
rs1
19:15
111
14:12
vd
11:7
0101111
6:0
 
Format VAMO
Opcode 0x2F
Extension V

Operands

  • vd
    Dest (Old Val)
  • rs1
    Base
  • vs2
    Index