llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang @llvm/pr-subscribers-clang-driver Author: Phoebe Wang (phoebewang) <details> <summary>Changes</summary> Users want `-march=sandybridge -mavx512f -mavx512vl` behaves the same as `-march=native -mavx512f -mavx512vl` on a sandybridge target. Fixes: #<!-- -->91076 --- Full diff: https://github.com/llvm/llvm-project/pull/91694.diff 1 Files Affected: - (modified) clang/lib/Driver/ToolChains/Arch/X86.cpp (+6-2) ``````````diff diff --git a/clang/lib/Driver/ToolChains/Arch/X86.cpp b/clang/lib/Driver/ToolChains/Arch/X86.cpp index 53e26a9f8e229..c6d97ef4e971a 100644 --- a/clang/lib/Driver/ToolChains/Arch/X86.cpp +++ b/clang/lib/Driver/ToolChains/Arch/X86.cpp @@ -132,10 +132,14 @@ void x86::getX86TargetFeatures(const Driver &D, const llvm::Triple &Triple, if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ)) { if (StringRef(A->getValue()) == "native") { llvm::StringMap<bool> HostFeatures; - if (llvm::sys::getHostCPUFeatures(HostFeatures)) - for (auto &F : HostFeatures) + if (llvm::sys::getHostCPUFeatures(HostFeatures)) { + for (auto &F : HostFeatures) { + if (!F.second && F.first() == "evex512") + continue; Features.push_back( Args.MakeArgString((F.second ? "+" : "-") + F.first())); + } + } } } `````````` </details> https://github.com/llvm/llvm-project/pull/91694 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
