On 09/26/2013 03:00 PM, Matt Turner wrote:
> CSE would otherwise combine the two mul(8) emitted by [iu]mulExtended:
>
> mul(8) acc0 x y
> mach(8) null x y
> mov(8) lsb acc0
> ...
> mul(8) acc0 x y
> mach(8) msb x y
> Into:
> mul(8) temp x y
> m
Matt Turner writes:
> CSE would otherwise combine the two mul(8) emitted by [iu]mulExtended:
>
> mul(8) acc0 x y
> mach(8) null x y
> mov(8) lsb acc0
> ...
> mul(8) acc0 x y
> mach(8) msb x y
> Into:
> mul(8) temp x y
> mov(8) acc0 temp
>
CSE would otherwise combine the two mul(8) emitted by [iu]mulExtended:
mul(8) acc0 x y
mach(8) null x y
mov(8) lsb acc0
...
mul(8) acc0 x y
mach(8) msb x y
Into:
mul(8) temp x y
mov(8) acc0 temp
mach(8) null x y