Commit ff827fc767bd236f5dbcddfec92e641d09e35213
2021-01-26T21:15:15
SDL_SoftStretch: re-enable USE_ASM_STRETCH path for gcc >= 4.6
diff --git a/src/video/SDL_stretch.c b/src/video/SDL_stretch.c
index 28dd05e..1c99766 100644
--- a/src/video/SDL_stretch.c
+++ b/src/video/SDL_stretch.c
@@ -38,8 +38,14 @@
(defined(__WATCOMC__) && defined(__386__)) || \
(defined(__GNUC__) && defined(__i386__))) && SDL_ASSEMBLY_ROUTINES
/* There's a bug with gcc 4.4.1 and -O2 where srcp doesn't get the correct
- * value after the first scanline. FIXME? */
-/* #define USE_ASM_STRETCH */
+ * value after the first scanline. */
+/* This bug seems fixed, at least with gcc >= 4.6 */
+# define USE_ASM_STRETCH
+# if defined(__GNUC__)
+# if (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6))
+# undef USE_ASM_STRETCH
+# endif
+# endif
#endif
#ifdef USE_ASM_STRETCH