================
@@ -135,8 +135,13 @@ 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();
+ if (ArchName == "native")
+ for (auto &F : llvm::sys::getHostCPUFeatures())
+ Features.push_back(
----------------
SixWeining wrote:
It changes the behavior that `-march` is not specified.
How about:
```
std::string ArchName;
const Arg *MArch = Args.getLastArg(options::OPT_march_EQ);
if (MArch)
ArchName = A->getValue();
ArchName = postProcessTargetCPUString(ArchName, Triple);
llvm::LoongArch::getArchFeatures(ArchName, Features);
if (MArch->getValue() == "native")
for(...) push_back(xxx);
```
https://github.com/llvm/llvm-project/pull/115832
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