VFSGNJ.VV

Vector Float Sign Injection

VFSGNJ.VV vd, vs2, vs1, vm

Injects the sign of vs2 into vs1 (Copy Sign).

Encoding

Binary Layout

001000

31:26

vm

25

vs2

24:20

vs1

19:15

001

14:12

vd

11:7

1010111

6:0

 

Format OPFVV

Opcode 0x20001057

Extension V

Operands

• vd
  Destination vector register
• vs2
  Sign Src
• vs1
  Body Src

Example

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

Related

More in V

Reference

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

Description

Injects the sign of one FP element into the magnitude of another, implementing sign copy, negate, or XOR operations.

Operation

foreach(i < vl): vd[i] = copy_sign(vs1[i], vs2[i]);