- added use-builtin-clz patch (rely on gcc to choose proper instruction for target...

[packages/SDL2_sound.git] / SDL_sound-use-builtin-clz.patch

--- SDL_sound-2.0.1/src/dr_flac.h.orig	2022-03-25 21:17:50.000000000 +0100
+++ SDL_sound-2.0.1/src/dr_flac.h	2022-09-24 20:46:30.681153334 +0200
@@ -2768,25 +2768,7 @@ static DRFLAC_INLINE drflac_uint32 drfla
     #endif
 #else
     #if defined(__GNUC__) || defined(__clang__)
-        #if defined(DRFLAC_X64)
-            {
-                drflac_uint64 r;
-                __asm__ __volatile__ (
-                    "lzcnt{ %1, %0| %0, %1}" : "=r"(r) : "r"(x) : "cc"
-                );
-
-                return (drflac_uint32)r;
-            }
-        #elif defined(DRFLAC_X86)
-            {
-                drflac_uint32 r;
-                __asm__ __volatile__ (
-                    "lzcnt{l %1, %0| %0, %1}" : "=r"(r) : "r"(x) : "cc"
-                );
-
-                return r;
-            }
-        #elif defined(DRFLAC_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5) && !defined(DRFLAC_64BIT)   /* <-- I haven't tested 64-bit inline assembly, so only enabling this for the 32-bit build for now. */
+        #if defined(DRFLAC_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5) && !defined(DRFLAC_64BIT)   /* <-- I haven't tested 64-bit inline assembly, so only enabling this for the 32-bit build for now. */
             {
                 unsigned int r;
                 __asm__ __volatile__ (