From a02e351dd2c17599d53ada7f83a5eca98b80c465 Mon Sep 17 00:00:00 2001
From: Amanieu d'Antras <amanieu@gmail.com>
Date: Sat, 28 Oct 2023 02:27:53 +0100
Subject: [PATCH] Allow unused imports for empty modules

---
 crates/core_arch/src/arm/mod.rs | 14 +++++++-------
 crates/core_arch/src/lib.rs     |  1 +
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/crates/core_arch/src/arm/mod.rs b/crates/core_arch/src/arm/mod.rs
index fd27ac14dd..217906c78d 100644
--- a/crates/core_arch/src/arm/mod.rs
+++ b/crates/core_arch/src/arm/mod.rs
@@ -7,13 +7,13 @@
 //! [arm_dat]: https://developer.arm.com/technologies/neon/intrinsics
 
 // Supported arches: 6, 7-M. See Section 10.1 of ACLE (e.g. SSAT)
-//
-// Commented out since this is an empty module. Uncomment when implementing it.
-//#[cfg(any(target_feature = "v6", doc))]
-//mod sat;
-//
-//#[cfg(any(target_feature = "v6", doc))]
-//pub use self::sat::*;
+#[cfg(any(target_feature = "v6", doc))]
+mod sat;
+
+#[cfg(any(target_feature = "v6", doc))]
+// Remove warning because this module is currently empty.
+#[allow(unused_imports)]
+pub use self::sat::*;
 
 // Supported arches: 5TE, 7E-M. See Section 10.1 of ACLE (e.g. QADD)
 // We also include the A profile even though DSP is deprecated on that profile as of ACLE 2.0 (see
diff --git a/crates/core_arch/src/lib.rs b/crates/core_arch/src/lib.rs
index 155363b892..ed301e208a 100644
--- a/crates/core_arch/src/lib.rs
+++ b/crates/core_arch/src/lib.rs
@@ -74,6 +74,7 @@ mod core_arch;
 #[stable(feature = "stdsimd", since = "1.27.0")]
 pub mod arch {
     #[stable(feature = "stdsimd", since = "1.27.0")]
+    #[allow(unused_imports)]
     pub use crate::core_arch::arch::*;
     #[stable(feature = "stdsimd", since = "1.27.0")]
     pub use core::arch::asm;