From a9a454faf73172cc5c9dd2ab03a54f4437132a9c Mon Sep 17 00:00:00 2001
From: elad335 <18193363+elad335@users.noreply.github.com>
Date: Thu, 24 Oct 2024 10:12:50 +0300
Subject: [PATCH] asm: Fix utils::rational_mul optimization

---
 rpcs3/util/asm.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rpcs3/util/asm.hpp b/rpcs3/util/asm.hpp
index e64939ab88..f59941dee9 100644
--- a/rpcs3/util/asm.hpp
+++ b/rpcs3/util/asm.hpp
@@ -410,10 +410,12 @@ namespace utils
 			return static_cast<T>(value * u64{numerator} / u64{denominator});
 		}
 
+#if is_u128_emulated
 		if constexpr (sizeof(T) <= sizeof(u128) / 2)
 		{
-			return static_cast<T>(value * u128{numerator} / u64{denominator});
+			return static_cast<T>(u128_from_mul(value, numerator) / u64{denominator});
 		}
+#endif
 
 		return static_cast<T>(value / denominator * numerator + (value % denominator) * numerator / denominator);
 	}