1//===-- RISCVInstrInfoZvfbf.td - 'Zvfbf*' instructions -----*- tablegen -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file describes the RISC-V instructions from the standard 'Zvfbfmin'
10// extension, providing vector conversion instructions for BFloat16.
11// This version is still experimental as the 'Zvfbfmin' extension hasn't been
12// ratified yet.
13//
14//===----------------------------------------------------------------------===//
15
16//===----------------------------------------------------------------------===//
17// Instructions
18//===----------------------------------------------------------------------===//
19
20let Predicates = [HasStdExtZvfbfmin], Constraints = "@earlyclobber $vd",
21    mayRaiseFPException = true in {
22let RVVConstraint = WidenCvt in
23defm VFWCVTBF16_F_F_V : VWCVTF_FV_VS2<"vfwcvtbf16.f.f.v", 0b010010, 0b01101>;
24let Uses = [FRM] in
25defm VFNCVTBF16_F_F_W : VNCVTF_FV_VS2<"vfncvtbf16.f.f.w", 0b010010, 0b11101>;
26}
27
28let Predicates = [HasStdExtZvfbfwma], Constraints = "@earlyclobber $vd",
29    RVVConstraint = WidenV, Uses = [FRM], mayRaiseFPException = true in {
30defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b111011>;
31}
32