On Jan 26, 2007, at 1:07 PM, Lauro Ramos Venancio wrote:
>> The facility does that have to be that general. There are 4 cycles
>> between every two instructions. See LiveIntervalAnalysis:
>>
>> struct InstrSlots {
>> enum {
>> LOAD = 0,
>> USE = 1,
>> DEF = 2,
>> STORE = 3,
>> NUM = 4
>> };
>> };
>>
>> We can restrict the constraint range to 1 - 3. This ensures the last
>> use is always the kill while retaining its flexibility.
>>
>> Evan
>
> I will try to implement this. Do you have any suggestion for
> constraint name and syntax?
I don't have any great ideas. Perhaps READ_LATENCY for constraint and
something like
$src +lat 2
for syntax?
Feel free to choose something else if you have better ideas.
Thanks,
Evan
>
> Lauro
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