| // Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![allow(stable_features)] |
| // min-llvm-version 6.0 |
| // ^ needs MCSubtargetInfo::checkFeatures() |
| // ignore-cloudabi no std::env |
| |
| #![feature(cfg_target_feature)] |
| |
| use std::env; |
| |
| fn main() { |
| match env::var("TARGET") { |
| Ok(s) => { |
| // Skip this tests on i586-unknown-linux-gnu where sse2 is disabled |
| if s.contains("i586") { |
| return |
| } |
| } |
| Err(_) => return, |
| } |
| if cfg!(any(target_arch = "x86", target_arch = "x86_64")) { |
| assert!(cfg!(target_feature = "sse2"), |
| "SSE2 was not detected as available on an x86 platform"); |
| } |
| // check a negative case too -- whitelisted on x86, but not enabled by default |
| assert!(cfg!(not(target_feature = "avx2")), |
| "AVX2 shouldn't be detected as available by default on any platform"); |
| } |
