/* Workaround for missing vst1q_f32_x2 in gcc-8. */ __extension__ extern __inline void __attribute__((__always_inline__, __gnu_inline__, __artificial__)) vst1q_f32_x2(float32_t* __a, float32x4x2_t val) { asm volatile("st1 {%S1.4s - %T1.4s}, %0" : "=Q"(*__a) : "w"(val)); }