> From: Jakub Jelinek [mailto:ja...@redhat.com] > Sent: Friday, November 07, 2014 8:01 PM > > Why restrict this to 8 bit rotate of a 16 bit value? Shouldn't it apply to > > a 16 bit rotate of a 32 bit value, or 32 bit rotate of 64 bit value? > > That isn't a byteswap, but halfword swap or wordswap. > 32 bit byteswap reverses 0x01020304 byte ordering into 0x04030201, > while rotate > 16 is 0x03040102.
If this patch gets approved as is I'll add a comment to explain this as this is the third time someone ask me this. Best regards, Thomas
