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added rdrand feature and removed rdrnd feature

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This commit is contained in:
newpavlov 2018-02-20 16:05:25 +03:00
parent 27a046e933
commit 98d8fc192d
1 changed files with 5 additions and 4 deletions
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9
src/librustc_trans/llvm_util.rs
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@ -75,9 +75,9 @@ unsafe fn configure_llvm(sess: &Session) {
llvm_args.as_ptr());
}
// WARNING: the features must be known to LLVM or the feature
// detection code will walk past the end of the feature array,
// leading to crashes.
// WARNING: the features after aplpying `to_llvm_feature` must be known
// to LLVM or the feature detection code will walk past the end of the feature
// array, leading to crashes.
const ARM_WHITELIST: &'static [&'static str] = &["neon", "v7", "vfp2", "vfp3", "vfp4"];
@ -86,7 +86,7 @@ const AARCH64_WHITELIST: &'static [&'static str] = &["neon", "v7"];
const X86_WHITELIST: &'static [&'static str] = &["avx", "avx2", "bmi", "bmi2", "sse",
"sse2", "sse3", "sse4.1", "sse4.2",
"ssse3", "tbm", "lzcnt", "popcnt",
"sse4a", "rdrnd", "rdseed", "fma",
"sse4a","fma", "rdrand", "rdseed",
"xsave", "xsaveopt", "xsavec",
"xsaves", "aes", "pclmulqdq",
"avx512bw", "avx512cd",
@ -108,6 +108,7 @@ const MIPS_WHITELIST: &'static [&'static str] = &["msa"];
pub fn to_llvm_feature(s: &str) -> &str {
match s {
"pclmulqdq" => "pclmul",
"rdrand" => "rdrnd",
s => s,
}
}