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Filter out LoongArch features not supported by the current LLVM version

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This commit is contained in:
WANG Rui 2025-04-29 22:12:27 +08:00
parent efcbb94dcc
commit a2b3f11700
1 changed files with 6 additions and 0 deletions
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6
compiler/rustc_codegen_llvm/src/llvm_util.rs
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@ -273,6 +273,12 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
("aarch64", "fpmr") => None, // only existed in 18
("arm", "fp16") => Some(LLVMFeature::new("fullfp16")),
// Filter out features that are not supported by the current LLVM version
("loongarch64", "div32" | "lam-bh" | "lamcas" | "ld-seq-sa" | "scq")
if get_version().0 < 20 =>
{
None
}
// Filter out features that are not supported by the current LLVM version
("riscv32" | "riscv64", "zacas") if get_version().0 < 20 => None,
// Enable the evex512 target feature if an avx512 target feature is enabled.
("x86", s) if s.starts_with("avx512") => {