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-rw-r--r--compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
index 12968abda08..b10e6264b73 100644
--- a/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
@@ -5,7 +5,7 @@ pub fn target() -> Target {
     let mut base = super::linux_gnu_base::opts();
     base.endian = Endian::Big;
     base.cpu = "v9".into();
-    base.max_atomic_width = Some(64);
+    base.max_atomic_width = Some(32);
     base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-mv8plus"]);
 
     Target {