POWERPC_TBL_STOP_COUNT(altivec_fft_num, s->nbits >= 6);
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
+#ifdef CONFIG_DARWIN
register const vector float vczero = (const vector float)(0.);
+#else
+ register const vector float vczero = (const vector float){0.,0.,0.,0.};
+#endif
int ln = s->nbits;
int j, np, np2;