diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 6f2d86cc601..c382242d8d0 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -228,6 +228,8 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea "x86" } else if sess.target.arch == "arm64ec" { "aarch64" + } else if sess.target.arch == "sparc64" { + "sparc" } else { &*sess.target.arch }; @@ -280,6 +282,13 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea // Support for `wide-arithmetic` will first land in LLVM 20 as part of // llvm/llvm-project#111598 ("wasm32" | "wasm64", "wide-arithmetic") if get_version() < (20, 0, 0) => None, + ("sparc", "leoncasa") => Some(LLVMFeature::new("hasleoncasa")), + // In LLVM 19, there is no `v8plus` feature and `v9` means "SPARC-V9 instruction available and SPARC-V8+ ABI used". + // https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/lib/Target/Sparc/MCTargetDesc/SparcELFObjectWriter.cpp#L27-L28 + // Before LLVM 19, there is no `v8plus` feature and `v9` means "SPARC-V9 instruction available". + // https://github.com/llvm/llvm-project/blob/llvmorg-18.1.0/llvm/lib/Target/Sparc/MCTargetDesc/SparcELFObjectWriter.cpp#L26 + ("sparc", "v8plus") if get_version().0 == 19 => Some(LLVMFeature::new("v9")), + ("sparc", "v8plus") if get_version().0 < 19 => None, (_, s) => Some(LLVMFeature::new(s)), } } @@ -619,6 +628,8 @@ pub(crate) fn global_llvm_features( .features .split(',') .filter(|v| !v.is_empty() && backend_feature_name(sess, v).is_some()) + // Drop +v8plus feature introduced in LLVM 20. + .filter(|v| *v != "+v8plus" || get_version() >= (20, 0, 0)) .map(String::from), ); |
