From fcb06f7ca2a20d030fdd5f9c53b684557f17c00c Mon Sep 17 00:00:00 2001
From: CKingX <CKingX@users.noreply.github.com>
Date: Fri, 9 Feb 2024 09:19:59 -0800
Subject: [PATCH] Update x86_64_pc_windows_msvc.rs

As CMPXCHG16B is supported, I updated the max atomic width to 128-bits from 64-bits
---
 .../rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs
index f7dc60df0f4..e72e97db775 100644
--- a/compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs
@@ -5,7 +5,7 @@ pub fn target() -> Target {
     base.cpu = "x86-64".into();
     base.features = "+cx16,+sse3".into();
     base.plt_by_default = false;
-    base.max_atomic_width = Some(64);
+    base.max_atomic_width = Some(128);
     base.supported_sanitizers = SanitizerSet::ADDRESS;
 
     Target {