GCC 3.5 Status (2004-08-29)
Daniel Berlin
dberlin@dberlin.org
Mon Aug 30 14:16:00 GMT 2004
On Mon, 30 Aug 2004, Mark Mitchell wrote:
> Steven Bosscher wrote:
>
>> On Monday 30 August 2004 03:12, Mark Mitchell wrote:
>>
>>> Perhaps you can wait until SRA runs, and then just DTRT for objects that
>>> get SRA'd.
>>>
>>
>> Alias structured are never SRA'd.
>>
> Certainly, in Dan's example:
>
> x = a.f
> c = a.e
> a.e = 5
> c = a.f
>
> it should be possible to SRA "a" without any alias information at all,
Yes, you could, if you effectively ignored what the SSA infrastructure
tells you (that they do overlap), and try to figure it out on your
own.
This seems like a bad idea, IMHO.
--Dan
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