butterfly5        498 modules/core/src/opencl/fft.cl         butterfly5(a0, a1, a2, a3, a4, smem, twiddles, x, block_size);
butterfly5        519 modules/core/src/opencl/fft.cl         butterfly5(a0, a1, a2, a3, a4, smem, twiddles, x1, block_size);
butterfly5        520 modules/core/src/opencl/fft.cl         butterfly5(a5, a6, a7, a8, a9, smem, twiddles, x2, block_size);