VSLIDE1DOWN.VX

Vector Slide One Element Down

VSLIDE1DOWN.VX vd, vs2, rs1, vm

Moves elements down by 1, injecting scalar into top index.

Encoding

Binary Layout

001111

31:26

vm

25

vs2

24:20

rs1

19:15

110

14:12

vd

11:7

1010111

6:0

 

Format OPIVX

Opcode 0x3C006057

Extension V

Operands

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

Example

VSLIDE1DOWN.VX v1, v4, a0, v0.t

Related

More in V

Reference

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

Description

Slides vector elements down by the specified offset, filling vacated positions with zero or the value from vs1[0].

Operation

vd[i] = vs2[i+1]; vd[vl-1] = rs1;