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-rw-r--r--compiler/rustc_codegen_llvm/src/llvm_util.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 201cfbb1918..bd847cd0068 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -264,6 +264,10 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
("riscv32" | "riscv64", "unaligned-scalar-mem") if get_version().0 == 18 => {
Some(LLVMFeature::new("fast-unaligned-access"))
}
+ // Filter out features that are not supported by the current LLVM version
+ ("riscv32" | "riscv64", "zaamo") if get_version().0 < 19 => None,
+ ("riscv32" | "riscv64", "zabha") if get_version().0 < 19 => None,
+ ("riscv32" | "riscv64", "zalrsc") if get_version().0 < 19 => None,
// Enable the evex512 target feature if an avx512 target feature is enabled.
("x86", s) if s.starts_with("avx512") => {
Some(LLVMFeature::with_dependency(s, TargetFeatureFoldStrength::EnableOnly("evex512")))