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Added some unit test for get_cpu_features_used

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This commit is contained in:
ptitSeb
2022-11-24 11:43:06 +01:00
parent 8d19394a3a
commit cee68baee8
1 changed files with 13 additions and 0 deletions
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13
lib/compiler-singlepass/src/compiler.rs
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@ -329,4 +329,17 @@ mod tests {
error => panic!("Unexpected error: {:?}", error),
};
}
#[test]
fn errors_for_unsuported_cpufeatures() {
let compiler = SinglepassCompiler::new(Singlepass::default());
let mut features = CpuFeature::AVX | CpuFeature::SSE42 | CpuFeature::LZCNT | CpuFeature::BMI1;
// simple test
assert!(compiler.get_cpu_features_used(&features).is_subset(CpuFeature::AVX | CpuFeature::SSE42 | CpuFeature::LZCNT | CpuFeature::BMI1));
// check that an AVX build don't work on SSE4.2 only host
assert!(!compiler.get_cpu_features_used(&features).is_subset(CpuFeature::SSE42 | CpuFeature::LZCNT | CpuFeature::BMI1));
// check that having a host with AVX512 doesn't change anything
features.insert_all(CpuFeature::AVX512DQ | CpuFeature::AVX512F);
assert!(compiler.get_cpu_features_used(&features).is_subset(CpuFeature::AVX | CpuFeature::SSE42 | CpuFeature::LZCNT | CpuFeature::BMI1));
}
}