VBREV8.V

Vector Byte Reverse

VBREV8.V vd, vs2, vm

Reverses the bits within each byte of the source elements.

Encoding

Binary Layout

010010

31:26

vm

25

vs2

24:20

01000010

19:12

vd

11:7

1010111

6:0

 

Format OPIVV

Opcode 0x48042057

Extension Zvbb

Operands

• vd
  Destination vector register
• vs2
  Source vector register 2

Example

VBREV8.V v1, v4, v0.t

Related

More in Zvbb

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

Reverses the bit or byte order within each vector element.

Operation

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