VROL.VV

Vector Rotate Left

VROL.VV vd, vs2, vs1, vm

Rotates bits in elements of vs2 left by amounts in vs1.

Details

Rotates each vector element left by the corresponding shift amount.

Pseudocode Operation

foreach(i < vl): vd[i] = (vs2[i] << vs1[i]) | (vs2[i] >> (SEW - vs1[i]));

Example

VROL.VV v1, v4, v2, v0.t

Encoding

Binary Layout
010101
31:26
vm
25
vs2
24:20
vs1
19:15
000
14:12
vd
11:7
1010111
6:0
 
Format OPIVV
Opcode 0x57
Extension Zvbb

Operands

  • vd
    Destination vector register
  • vs2
    Source vector register 2
  • vs1
    Source vector register 1