From 36bdb83cfc434a25a24c0be391b92d4de467f260 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Sun, 8 May 2022 15:32:59 -0700
Subject: [PATCH] util: prevent optimizer from removing endian-swapped writes

---
 libraries/libvapours/include/vapours/util/util_endian.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/libvapours/include/vapours/util/util_endian.hpp b/libraries/libvapours/include/vapours/util/util_endian.hpp
index e71d12b3b..0bb84ebe7 100644
--- a/libraries/libvapours/include/vapours/util/util_endian.hpp
+++ b/libraries/libvapours/include/vapours/util/util_endian.hpp
@@ -144,12 +144,12 @@ namespace ams::util {
 
     template<std::integral T>
     constexpr ALWAYS_INLINE void StoreBigEndian(T *ptr, T val) {
-        *ptr = ConvertToBigEndian<T>(val);
+        *static_cast<volatile T *>(ptr) = ConvertToBigEndian<T>(val);
     }
 
     template<std::integral T>
     constexpr ALWAYS_INLINE void StoreLittleEndian(T *ptr, T val) {
-        *ptr = ConvertToLittleEndian<T>(val);
+        *static_cast<volatile T *>(ptr) = ConvertToLittleEndian<T>(val);
     }
 
 }