inline void new_memset128(void *b, dword data, int len){
	
	switch(len){
		case 4: ((dword *)b)[3] = data;
		case 3: ((dword *)b)[2] = data;
		case 2: ((dword *)b)[1] = data;
		case 1: ((dword *)b)[0] = data;
		case 0: return;
	}
	
	__m128i q = _mm_set1_epi32(*(int*)&data);
	__m128i *w = (__m128i*)b;
	
	switch(len>>2){
		default:{
			__m128i *e = (__m128i*)b + (len>>2) - 4;
			if(len <= 2*1024*1024){
				while(w<e){
					_mm_storeu_si128(w++, q);
					_mm_storeu_si128(w++, q);
					_mm_storeu_si128(w++, q);
					_mm_storeu_si128(w++, q);
				}
			}
			else{
				while(w<e){
					_mm_stream_si128(w++, q);
					_mm_stream_si128(w++, q);
					_mm_stream_si128(w++, q);
					_mm_stream_si128(w++, q);
				}
			}
		}
		case 4: _mm_storeu_si128(w++, q);
		case 3: _mm_storeu_si128(w++, q);
		case 2: _mm_storeu_si128(w++, q);
		case 1: _mm_storeu_si128(w++, q);
	}
	switch(len&3){
		case 3: ((dword *)b)[len-3] = data;
		case 2: ((dword *)b)[len-2] = data;
		case 1: ((dword *)b)[len-1] = data;
	}
}