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Enable x87 target feature on x86_64

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bjorn3 2025-02-01 17:17:37 +00:00
parent c8f0f36d66
commit cf5521b5a3
1 changed files with 2 additions and 2 deletions
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4
src/lib.rs
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@ -183,8 +183,8 @@ impl CodegenBackend for CraneliftCodegenBackend {
) -> Vec<rustc_span::Symbol> {
// FIXME return the actually used target features. this is necessary for #[cfg(target_feature)]
if sess.target.arch == "x86_64" && sess.target.os != "none" {
// x86_64 mandates SSE2 support
vec![sym::fsxr, sym::sse, sym::sse2]
// x86_64 mandates SSE2 support and rustc requires the x87 feature to be enabled
vec![sym::fsxr, sym::sse, sym::sse2, Symbol::intern("x87")]
} else if sess.target.arch == "aarch64" {
match &*sess.target.os {
"none" => vec![],