https://github.com/tangaac updated
https://github.com/llvm/llvm-project/pull/115832
>From 3a65187b0d26ad1386fd5c5036171706dfe160f8 Mon Sep 17 00:00:00 2001
From: tangaac <tangya...@loongson.cn>
Date: Tue, 12 Nov 2024 16:31:57 +0800
Subject: [PATCH] add la v1.1 features for sys::getHostCPUFeatures
---
clang/lib/Driver/ToolChains/Arch/LoongArch.cpp | 11 ++++++++---
llvm/lib/TargetParser/Host.cpp | 9 +++++++++
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp
b/clang/lib/Driver/ToolChains/Arch/LoongArch.cpp
index e69a5562137ccd..6fe813a40f9950 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))
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
ArchName = A->getValue();
- ArchName = postProcessTargetCPUString(ArchName, Triple);
- llvm::LoongArch::getArchFeatures(ArchName, Features);
+ ArchName = postProcessTargetCPUString(ArchName, Triple);
+ llvm::LoongArch::getArchFeatures(ArchName, Features);
+ if (A->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 58ba2553633221..0250aac9a7cb86 100644
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -2006,6 +2006,15 @@ const StringMap<bool> 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)
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