2.95, x86: severe performance problems with short arithmetic

[Alexander Sokolov]

On Tue, 10 Aug 1999, Zack Weinberg wrote:

> Does this include something like this?
> 
> 	movzbw %dl, %ax
> 	addl %eax, %esi

Yes, it does. When 32-bit register is read or written after 8- or 16-bit
register has been written, this will cause patial register stall on P6
family.

--
Alexander Sokolov
System Administrator
ROSNET Komsomolsk-na-Amure
Tel./Fax: +7-095-737-6260