VRGATHER.VI

Vector Register Gather Immediate

VRGATHER.VI vd, vs2, imm, vm

Gathers element at index 'imm' from vs2 (splat).

Encoding

Binary Layout

001100

31:26

vm

25

vs2

24:20

zimm5

19:15

011

14:12

vd

11:7

1010111

6:0

 

Format OPIVI

Opcode 0x30003057

Extension V

Operands

• vd
  Destination vector register
• vs2
  Table
• imm
  Index

Example

VRGATHER.VI v1, v4, 16, v0.t

Related

More in V

Reference

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

Description

Gathers elements from vs2 using indices in vs1 (or an immediate), writing to vd. Out-of-range indices produce zero.

Operation

vd[*] = vs2[imm];