On August 22, 2011 01:57:32 Brandon Allbery wrote: > FWIW I vaguely recall a bit of an outcry when this changed on Intel CPUs. > It may have been around the 80486. I just checked my copy of the Intel486 Programmer's Reference Manual and s[h/a][l/r] -- no masking sh[l/r]d -- masking Cheers! -Tyson