AC_CACHE_CHECK([if $CC groks NEON inline assembly], [ac_cv_neon_inline], [
CFLAGS="${CFLAGS_save} -mfpu=neon"
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(,[[asm volatile("vqmovun.s64 d0, q1":::"d0");]])
+ AC_LANG_PROGRAM(,[[
+asm volatile("vqmovun.s64 d0, q1":::"d0");
+asm volatile("qadd r0, r0, r0":::"r0"); /* assume ARMv6 */
+]])
], [
ac_cv_neon_inline="-mfpu=neon"
], [