40 lines
1.6 KiB
C++
40 lines
1.6 KiB
C++
//===--- LoongArch.cpp - LoongArch Helpers for Tools ------------*- 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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#include "LoongArch.h"
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using namespace clang::driver::tools;
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using namespace clang;
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using namespace llvm::opt;
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StringRef loongarch::getLoongArchABI(const ArgList &Args,
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const llvm::Triple &Triple) {
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assert((Triple.getArch() == llvm::Triple::loongarch32 ||
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Triple.getArch() == llvm::Triple::loongarch64) &&
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"Unexpected triple");
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// If `-mabi=` is specified, use it.
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if (const Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
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return A->getValue();
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// Choose a default based on the triple.
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// TODO: select appropiate ABI.
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return Triple.getArch() == llvm::Triple::loongarch32 ? "ilp32d" : "lp64d";
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}
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void loongarch::getLoongArchTargetFeatures(const Driver &D,
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const llvm::Triple &Triple,
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const ArgList &Args,
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std::vector<StringRef> &Features) {
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// FIXME: hornor various clang options that may affect target features, e.g.
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// -march/-mtune/-mdouble-float/-msingle-float/-msoft-float/-mfpu. See:
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// https://loongson.github.io/LoongArch-Documentation/LoongArch-toolchain-conventions-EN.html
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Features.push_back("+f");
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Features.push_back("+d");
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}
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