From e3f623c019cf41977efcab2557eda8e1f305e6ad Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robux4@ycbcr.xyz>
Date: Wed, 22 Feb 2023 05:50:50 -0800
Subject: [PATCH] vlc_fixups: turn MSVC CPU defines into GCC CPU defines

For x64, x86, arm and arm64.

See https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
---
 include/vlc_fixups.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/vlc_fixups.h b/include/vlc_fixups.h
index 89647b67d2..799e89f7be 100644
--- a/include/vlc_fixups.h
+++ b/include/vlc_fixups.h
@@ -57,6 +57,26 @@ typedef unsigned short mode_t;
 #define _CRT_SUPPRESS_RESTRICT
 #define DECLSPEC_RESTRICT
 
+// turn CPU MSVC-ism into more standard defines
+#if defined(_M_X64) && !defined(__x86_64__)
+# define __x86_64__
+#endif
+#if defined(_M_IX86) && !defined(__i386__)
+# define __i386__
+#endif
+#if defined(_M_ARM64) && !defined(__aarch64__)
+# define __aarch64__
+#endif
+#if defined(_M_ARM) && !defined(__arm__)
+# define __arm__
+#endif
+#if defined(_M_IX86_FP) && _M_IX86_FP == 1 && !defined(__SSE__)
+# define __SSE__
+#endif
+#if defined(_M_IX86_FP) && _M_IX86_FP == 2 && !defined(__SSE2__)
+# define __SSE2__
+#endif
+
 #endif // _MSC_VER
 
 #ifdef _WIN32