VFNCVT.F.F.W

Vector Narrowing Float Convert

VFNCVT.F.F.W vd, vs2, vm

Converts 2*N-bit floats to N-bit floats (e.g., FP32 -> FP16).

Encoding

Binary Layout

010010

31:26

vm

25

vs2

24:20

10100001

19:12

vd

11:7

1010111

6:0

 

Format OPFVV

Opcode 0x480A1057

Extension V

Operands

• vd
  Dest (Narrow Float)
• vs2
  Src (Wide Float)

Example

VFNCVT.F.F.W v1, v4, v0.t

Related

More in V

Reference

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

Description

Converts vector elements between floating-point and integer types, or between floating-point precisions. Conversions respect the active rounding mode.

Operation

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