VRSUB.VX

Vector Integer Reverse Subtract Scalar

VRSUB.VX vd, vs2, rs1, vm

Subtracts vector elements from a scalar value (scalar - vector).

Details

Performs element-wise reverse integer subtraction on a vector and a scalar register, writing results to vd. The number of elements processed is determined by vl, and masking is controlled by vm.

Pseudocode Operation

foreach(i < vl): vd[i] = rs1 - vs2[i];

Example

VRSUB.VX v1, v4, a0, v0.t

Encoding

Binary Layout
000011
31:26
vm
25
vs2
24:20
rs1
19:15
100
14:12
vd
11:7
1010111
6:0
 
Format OPIVX
Opcode 0x57
Extension V

Operands

  • vd
    Destination vector register
  • vs2
    Vector Src
  • rs1
    Scalar Src