diff options
| -rw-r--r-- | src/librustc_codegen_llvm/llvm_util.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/librustc_codegen_llvm/llvm_util.rs b/src/librustc_codegen_llvm/llvm_util.rs index 12109ae1662..82b1d7e8b40 100644 --- a/src/librustc_codegen_llvm/llvm_util.rs +++ b/src/librustc_codegen_llvm/llvm_util.rs @@ -140,6 +140,7 @@ const X86_WHITELIST: &[(&str, Option<&str>)] = &[ ("avx512vpopcntdq", Some("avx512_target_feature")), ("bmi1", None), ("bmi2", None), + ("cmpxchg16b", Some("cmpxchg16b_target_feature")), ("fma", None), ("fxsr", None), ("lzcnt", None), @@ -212,6 +213,7 @@ pub fn to_llvm_feature<'a>(sess: &Session, s: &'a str) -> &'a str { ("x86", "pclmulqdq") => "pclmul", ("x86", "rdrand") => "rdrnd", ("x86", "bmi1") => "bmi", + ("x86", "cmpxchg16b") => "cx16", ("aarch64", "fp") => "fp-armv8", ("aarch64", "fp16") => "fullfp16", (_, s) => s, |