| //===-- RISCVInstrInfoZvfbf.td - 'Zvfbf*' instructions -----*- tablegen -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes the RISC-V instructions from the standard 'Zvfbfmin' |
| // extension, providing vector conversion instructions for BFloat16. |
| // This version is still experimental as the 'Zvfbfmin' extension hasn't been |
| // ratified yet. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Instructions |
| //===----------------------------------------------------------------------===// |
| |
| let Predicates = [HasStdExtZvfbfmin], Constraints = "@earlyclobber $vd", |
| mayRaiseFPException = true in { |
| let RVVConstraint = WidenCvt in |
| defm VFWCVTBF16_F_F_V : VWCVTF_FV_VS2<"vfwcvtbf16.f.f.v", 0b010010, 0b01101>; |
| let Uses = [FRM] in |
| defm VFNCVTBF16_F_F_W : VNCVTF_FV_VS2<"vfncvtbf16.f.f.w", 0b010010, 0b11101>; |
| } |
| |
| let Predicates = [HasStdExtZvfbfwma], |
| Constraints = "@earlyclobber $vd_wb, $vd = $vd_wb", |
| RVVConstraint = WidenV, Uses = [FRM], mayRaiseFPException = true in { |
| defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b111011>; |
| } |