define WEBP_USE_INTRINSICS w/gcc-4.9+
32-bit builds are neutral to slightly faster using ndk r15c on a
N5/S6/CM1
#include "./dsp.h"
// Right now, some intrinsics functions seem slower, so we disable them
-// everywhere except aarch64 where the inline assembly is incompatible.
-#if defined(__aarch64__)
+// everywhere except newer gcc or aarch64 where the inline assembly is
+// incompatible.
+#if LOCAL_GCC_PREREQ(4,9) || defined(__aarch64__)
#define WEBP_USE_INTRINSICS // use intrinsics when possible
#endif
