From bf2332ac1f84e6d4c32be440afa1a03ad26bc0e9 Mon Sep 17 00:00:00 2001
From: jakob <grandchild@mailbox.org>
Date: Sun, 6 Oct 2024 14:11:16 +0200
Subject: [PATCH] [port] Remove MMX test altogether

The `_may_i_use_cpu_feature()` intrinsic is not available in MSVC, so
remove the whole check, which is only used during init to check for
CPU support for MMX instructions (which all modern intel CPUs support)
and MMX instructions are being removed from AVS anyway.
---
 avs/vis_avs/main.cpp   | 11 -----------
 avs/vis_avs/render.cpp |  4 ----
 2 files changed, 15 deletions(-)

diff --git a/avs/vis_avs/main.cpp b/avs/vis_avs/main.cpp
index c922c52..2c95663 100644
--- a/avs/vis_avs/main.cpp
+++ b/avs/vis_avs/main.cpp
@@ -196,17 +196,6 @@ static int init(struct winampVisModule* this_mod) {
     }
 #endif
 
-#ifndef NO_MMX
-    extern int is_mmx(void);
-    if (!is_mmx()) {
-        MessageBox(this_mod->hwndParent,
-                   "NO MMX SUPPORT FOUND - CANNOT RUN AVS - GET THE NON-MMX VERSION.",
-                   "AVS ERROR",
-                   MB_OK | MB_ICONSTOP);
-        return 1;
-    }
-#endif
-
 #ifdef WA3_COMPONENT
     strcat(g_path, "\\wacs\\data");
 #endif
diff --git a/avs/vis_avs/render.cpp b/avs/vis_avs/render.cpp
index cd33259..c855247 100644
--- a/avs/vis_avs/render.cpp
+++ b/avs/vis_avs/render.cpp
@@ -36,10 +36,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "wa_ipc.h"
 #include "wnd.h"
 
-#include <immintrin.h>
-
-int is_mmx(void) { return _may_i_use_cpu_feature(_FEATURE_MMX); }
-
 void Render_Init() {
     timingInit();