diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 358bfcb1573..fd8db4ad1d5 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -217,10 +217,10 @@ impl<'a> IntoIterator for LLVMFeature<'a> { // where `{ARCH}` is the architecture name. Look for instances of `SubtargetFeature`. // // Check the current rustc fork of LLVM in the repo at https://github.com/rust-lang/llvm-project/. -// The commit in use can be found via the `llvm-project` submodule in https://github.com/rust-lang/rust/tree/master/src -// Though note that Rust can also be build with an external precompiled version of LLVM -// which might lead to failures if the oldest tested / supported LLVM version -// doesn't yet support the relevant intrinsics +// The commit in use can be found via the `llvm-project` submodule in +// https://github.com/rust-lang/rust/tree/master/src Though note that Rust can also be build with +// an external precompiled version of LLVM which might lead to failures if the oldest tested / +// supported LLVM version doesn't yet support the relevant intrinsics. pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFeature<'a>> { let arch = if sess.target.arch == "x86_64" { "x86" @@ -259,8 +259,8 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea ("aarch64", "fp16") => Some(LLVMFeature::new("fullfp16")), // Filter out features that are not supported by the current LLVM version ("aarch64", "fpmr") if get_version().0 != 18 => None, - // In LLVM 18, `unaligned-scalar-mem` was merged with `unaligned-vector-mem` into a single feature called - // `fast-unaligned-access`. In LLVM 19, it was split back out. + // In LLVM 18, `unaligned-scalar-mem` was merged with `unaligned-vector-mem` into a single + // feature called `fast-unaligned-access`. In LLVM 19, it was split back out. ("riscv32" | "riscv64", "unaligned-scalar-mem") if get_version().0 == 18 => { Some(LLVMFeature::new("fast-unaligned-access")) } @@ -406,7 +406,8 @@ fn print_target_features(out: &mut String, sess: &Session, tm: &llvm::TargetMach .supported_target_features() .iter() .filter_map(|(feature, _gate, _implied)| { - // LLVM asserts that these are sorted. LLVM and Rust both use byte comparison for these strings. + // LLVM asserts that these are sorted. LLVM and Rust both use byte comparison for these + // strings. let llvm_feature = to_llvm_features(sess, *feature)?.llvm_feature_name; let desc = match llvm_target_features.binary_search_by_key(&llvm_feature, |(f, _d)| f).ok() { |