[cmake] fix compilation for Intel Atom N455 (#2872)

Patience is key when building from source on an Intel Atom N455.

Of course, no SSE4.1 is in an atom... which is so unfortunate :(
We only get SSSE3 - but CI handles for building better codegen doesn't it?

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2872
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -191,9 +191,9 @@ if (CXX_CLANG_CL)
         $<$<COMPILE_LANGUAGE:C,CXX>:/EHsc> # thanks microsoft
     )
 
+    # REQUIRED CPU features IN Windows-amd64
     if (ARCHITECTURE_x86_64)
         add_compile_options(
-            # Required CPU features for amd64
             $<$<COMPILE_LANGUAGE:C,CXX>:-msse4.1>
             $<$<COMPILE_LANGUAGE:C,CXX>:-mcx16>
         )

src/CMakeLists.txt

@@ -178,8 +178,10 @@ else()
 
     if (MINGW)
         add_compile_definitions(MINGW_HAS_SECURE_API)
-        add_compile_options("-msse4.1")
-
+        # Only windows has this requirement, thanks windows
+        if (WIN32)
+            add_compile_options("-msse4.1")
+        endif()
         if (MINGW_STATIC_BUILD)
             add_compile_definitions(QT_STATICPLUGIN)
             add_compile_options("-static")

src/video_core/CMakeLists.txt

@@ -384,10 +384,6 @@ if (ARCHITECTURE_x86_64)
         macro/macro_jit_x64.h
     )
     target_link_libraries(video_core PUBLIC xbyak::xbyak)
-
-    if (NOT MSVC)
-        target_compile_options(video_core PRIVATE -msse4.1)
-    endif()
 endif()
 
 if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64)