| 1 | //===-- LoongArchTargetParser - Parser for LoongArch features --*- C++ -*-====// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file implements a target parser to recognise LoongArch hardware features |
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| 10 | // such as CPU/ARCH and extension names. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "llvm/TargetParser/LoongArchTargetParser.h" |
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| 15 | |
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| 16 | using namespace llvm; |
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| 17 | using namespace llvm::LoongArch; |
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| 18 | |
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| 19 | const FeatureInfo AllFeatures[] = { |
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| 20 | #define LOONGARCH_FEATURE(NAME, KIND) {NAME, KIND}, |
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| 21 | #include "llvm/TargetParser/LoongArchTargetParser.def" |
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| 22 | }; |
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| 23 | |
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| 24 | const ArchInfo AllArchs[] = { |
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| 25 | #define LOONGARCH_ARCH(NAME, KIND, FEATURES) \ |
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| 26 | {NAME, LoongArch::ArchKind::KIND, FEATURES}, |
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| 27 | #include "llvm/TargetParser/LoongArchTargetParser.def" |
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| 28 | }; |
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| 29 | |
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| 30 | bool LoongArch::isValidArchName(StringRef Arch) { |
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| 31 | for (const auto A : AllArchs) |
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| 32 | if (A.Name == Arch) |
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| 33 | return true; |
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| 34 | return false; |
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| 35 | } |
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| 36 | |
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| 37 | bool LoongArch::getArchFeatures(StringRef Arch, |
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| 38 | std::vector<StringRef> &Features) { |
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| 39 | for (const auto A : AllArchs) { |
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| 40 | if (A.Name == Arch) { |
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| 41 | for (const auto F : AllFeatures) |
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| 42 | if ((A.Features & F.Kind) == F.Kind) |
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| 43 | Features.push_back(x: F.Name); |
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| 44 | return true; |
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| 45 | } |
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| 46 | } |
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| 47 | return false; |
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| 48 | } |
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| 49 | |
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| 50 | bool LoongArch::isValidCPUName(StringRef Name) { return isValidArchName(Arch: Name); } |
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| 51 | |
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| 52 | void LoongArch::fillValidCPUList(SmallVectorImpl<StringRef> &Values) { |
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| 53 | for (const auto A : AllArchs) |
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| 54 | Values.emplace_back(Args: A.Name); |
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| 55 | } |
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| 56 | |
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| 57 | StringRef LoongArch::getDefaultArch(bool Is64Bit) { |
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| 58 | // TODO: use a real 32-bit arch name. |
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| 59 | return Is64Bit ? "loongarch64" : "" ; |
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| 60 | } |
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| 61 | |
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