From 29656563259be924e04dca02e5f2a7c63f27beee Mon Sep 17 00:00:00 2001
From: squidbus <175574877+squidbus@users.noreply.github.com>
Date: Wed, 9 Apr 2025 00:54:39 -0700
Subject: [PATCH] build: Target same CPU architecture level as PS4. (#2763)

---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f3d4468f..37492eeb3 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,9 +54,9 @@ else()
 endif()
 
 if (ARCHITECTURE STREQUAL "x86_64")
-    # Target Sandy Bridge as a reasonable subset of instructions supported by PS4 and host CPUs.
-    # Note that the native PS4 architecture 'btver2' has been attempted but causes issues with M1 CPUs.
-    add_compile_options(-march=sandybridge -mtune=generic)
+    # Target the same CPU architecture as the PS4, to maintain the same level of compatibility.
+    # Exclude SSE4a as it is only available on AMD CPUs.
+    add_compile_options(-march=btver2 -mtune=generic -mno-sse4a)
 endif()
 
 if (APPLE AND ARCHITECTURE STREQUAL "x86_64" AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")