From cf5521b5a3e5b9b73cbda6a75b29108bc63da88a Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Sat, 1 Feb 2025 17:17:37 +0000
Subject: [PATCH] Enable x87 target feature on x86_64

---
 src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index dc5d80e7a345..35ad67ee8854 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -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![],