From 22019dbac879ae899c1ab13ad48503af28c3802b Mon Sep 17 00:00:00 2001
From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com>
Date: Wed, 3 Jan 2024 20:28:08 +0100
Subject: [PATCH] Mention correctness test

---
 src/intrinsics/llvm_x86.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/intrinsics/llvm_x86.rs b/src/intrinsics/llvm_x86.rs
index 445622fc539..24a5df1630d 100644
--- a/src/intrinsics/llvm_x86.rs
+++ b/src/intrinsics/llvm_x86.rs
@@ -1298,6 +1298,8 @@ fn divisor(&self) -> u64 {
     }
 }
 
+/// Implement an x86 pack instruction with the intrinsic `_mm{,256}pack{us,s}_epi{16,32}`.
+/// Validated for correctness against LLVM, see commit `c8f5d35508e062bd2d95e6c03429bfec831db6d3`.
 fn pack_instruction<'tcx>(
     fx: &mut FunctionCx<'_, '_, 'tcx>,
     a: CValue<'tcx>,