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| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2025-07-04 17:12:10 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-04 17:12:10 +0800 |
| commit | ad9759701a565735b1e645762f0c9b3a7a8b02fe (patch) | |
| tree | 3fa8e6c5426eb1fa41b4ac3e6ebeaa322ab89688 /compiler/rustc_codegen_llvm/src/llvm_util.rs | |
| parent | 3fd66139ef9fe27b56d8f3821a988161e9ff443b (diff) | |
| parent | c33dd1b306db360f92c46f1cab79e68e6a845bf5 (diff) | |
| download | rust-ad9759701a565735b1e645762f0c9b3a7a8b02fe.tar.gz rust-ad9759701a565735b1e645762f0c9b3a7a8b02fe.zip | |
Merge pull request #2489 from Kobzol/pull
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 6fd07d562af..0fb987bdf82 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -370,10 +370,18 @@ fn update_target_reliable_float_cfg(sess: &Session, cfg: &mut TargetConfig) { let target_env = sess.target.options.env.as_ref(); let target_abi = sess.target.options.abi.as_ref(); let target_pointer_width = sess.target.pointer_width; + let version = get_version(); cfg.has_reliable_f16 = match (target_arch, target_os) { // Selection failure <https://github.com/llvm/llvm-project/issues/50374> ("s390x", _) => false, + // LLVM crash without neon <https://github.com/llvm/llvm-project/issues/129394> (now fixed) + ("aarch64", _) + if !cfg.target_features.iter().any(|f| f.as_str() == "neon") + && version < (20, 1, 1) => + { + false + } // Unsupported <https://github.com/llvm/llvm-project/issues/94434> ("arm64ec", _) => false, // MinGW ABI bugs <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115054> |