From 98d8fc192dc03945b5a09288fb6e12d688489928 Mon Sep 17 00:00:00 2001 From: newpavlov Date: Tue, 20 Feb 2018 16:05:25 +0300 Subject: [PATCH] added rdrand feature and removed rdrnd feature --- src/librustc_trans/llvm_util.rs | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/librustc_trans/llvm_util.rs b/src/librustc_trans/llvm_util.rs index b25562252e72..4969f7241283 100644 --- a/src/librustc_trans/llvm_util.rs +++ b/src/librustc_trans/llvm_util.rs @@ -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, } }