5a1b9896ad
The newly added strings `la64v1.0` and `la64v1.1` in `-march` are as described in LoongArch toolchains conventions (see [1]). The target-cpu/feature attributes are forwarded to compiler when specifying particular `-march` parameter. The default cpu `loongarch64` is returned when archname is `la64v1.0` or `la64v1.1`. In addition, this commit adds `la64v1.0`/`la64v1.1` to "__loongarch_arch" and adds definition for macro "__loongarch_frecipe". [1]: https://github.com/loongson/la-toolchain-conventions
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
//===-- LoongArchTargetParser - Parser for LoongArch features --*- C++ -*-====//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a target parser to recognise LoongArch hardware features
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// such as CPU/ARCH and extension names.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/TargetParser/LoongArchTargetParser.h"
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using namespace llvm;
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using namespace llvm::LoongArch;
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const FeatureInfo AllFeatures[] = {
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#define LOONGARCH_FEATURE(NAME, KIND) {NAME, KIND},
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#include "llvm/TargetParser/LoongArchTargetParser.def"
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};
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const ArchInfo AllArchs[] = {
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#define LOONGARCH_ARCH(NAME, KIND, FEATURES) \
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{NAME, LoongArch::ArchKind::KIND, FEATURES},
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#include "llvm/TargetParser/LoongArchTargetParser.def"
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};
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bool LoongArch::isValidArchName(StringRef Arch) {
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for (const auto A : AllArchs)
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if (A.Name == Arch)
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return true;
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return false;
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}
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bool LoongArch::getArchFeatures(StringRef Arch,
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std::vector<StringRef> &Features) {
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for (const auto A : AllArchs) {
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if (A.Name == Arch) {
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for (const auto F : AllFeatures)
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if ((A.Features & F.Kind) == F.Kind)
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Features.push_back(F.Name);
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return true;
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}
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}
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if (Arch == "la64v1.0" || Arch == "la64v1.1") {
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Features.push_back("+64bit");
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Features.push_back("+d");
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Features.push_back("+lsx");
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Features.push_back("+ual");
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if (Arch == "la64v1.1")
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Features.push_back("+frecipe");
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return true;
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}
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return false;
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}
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bool LoongArch::isValidCPUName(StringRef Name) { return isValidArchName(Name); }
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void LoongArch::fillValidCPUList(SmallVectorImpl<StringRef> &Values) {
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for (const auto A : AllArchs)
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Values.emplace_back(A.Name);
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}
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StringRef LoongArch::getDefaultArch(bool Is64Bit) {
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// TODO: use a real 32-bit arch name.
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return Is64Bit ? "loongarch64" : "";
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}
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