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Wire up AVX-related settings with runtime detection in cranelift-native

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Andrew Brown
2020-02-14 13:24:13 -08:00
parent baf71f5a5f
commit 2c41648471
1 changed files with 9 additions and 0 deletions
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9
cranelift/native/src/lib.rs
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@@ -82,6 +82,15 @@ fn parse_x86_cpuid(isa_builder: &mut isa::Builder) -> Result<(), &'static str> {
if info.has_bmi2() {
isa_builder.enable("has_bmi2").unwrap();
}
if info.has_avx2() {
isa_builder.enable("has_avx2").unwrap();
}
if info.has_avx512dq() {
isa_builder.enable("has_avx512dq").unwrap();
}
if info.has_avx512vl() {
isa_builder.enable("has_avx512vl").unwrap();
}
}
if let Some(info) = cpuid.get_extended_function_info() {
if info.has_lzcnt() {