diff --git a/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp b/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp index e69a5562137ccd..987db4638fca88 100644 --- a/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp +++ b/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp @@ -135,10 +135,15 @@ void loongarch::getLoongArchTargetFeatures(const Driver &D, Features.push_back("+lsx"); std::string ArchName; - if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) - ArchName = A->getValue(); + const Arg *MArch = Args.getLastArg(options::OPT_march_EQ); + if (MArch) + ArchName = MArch->getValue(); ArchName = postProcessTargetCPUString(ArchName, Triple); llvm::LoongArch::getArchFeatures(ArchName, Features); + if (MArch && StringRef(MArch->getValue()) == "native") + for (auto &F : llvm::sys::getHostCPUFeatures()) + Features.push_back( + Args.MakeArgString((F.second ? "+" : "-") + F.first())); // Select floating-point features determined by -mdouble-float, // -msingle-float, -msoft-float and -mfpu. diff --git a/llvm/lib/TargetParser/Host.cpp b/llvm/lib/TargetParser/Host.cpp index 85a637cfc197ec..a7891d799ae409 100644 --- a/llvm/lib/TargetParser/Host.cpp +++ b/llvm/lib/TargetParser/Host.cpp @@ -2010,6 +2010,15 @@ const StringMap sys::getHostCPUFeatures() { Features["lasx"] = hwcap & (1UL << 5); // HWCAP_LOONGARCH_LASX Features["lvz"] = hwcap & (1UL << 9); // HWCAP_LOONGARCH_LVZ + Features["frecipe"] = cpucfg2 & (1U << 25); // CPUCFG.2.FRECIPE + Features["lam-bh"] = cpucfg2 & (1U << 27); // CPUCFG.2.LAM_BH + + // TODO: Need to complete. + // Features["div32"] = cpucfg2 & (1U << 26); // CPUCFG.2.DIV32 + // Features["lamcas"] = cpucfg2 & (1U << 28); // CPUCFG.2.LAMCAS + // Features["llacq-screl"] = cpucfg2 & (1U << 29); // CPUCFG.2.LLACQ_SCREL + // Features["scq"] = cpucfg2 & (1U << 30); // CPUCFG.2.SCQ + // Features["ld-seq-sa"] = cpucfg3 & (1U << 23); // CPUCFG.3.LD_SEQ_SA return Features; } #elif defined(__linux__) && defined(__riscv)