&jz ($unroll_after?&label("no_xmm"):&label("loop"));
&and ("ecx",1<<30); # mask "Intel CPU" bit
&and ("ebx",1<<28|1<<9); # mask AVX and SSSE3 bits
&jz ($unroll_after?&label("no_xmm"):&label("loop"));
&and ("ecx",1<<30); # mask "Intel CPU" bit
&and ("ebx",1<<28|1<<9); # mask AVX and SSSE3 bits