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Re: [PATCH] Use rtx_refs_may_alias_p instead of alias_sets_conflict_p in


On Wed, Aug 4, 2010 at 4:57 PM, Richard Guenther
<richard.guenther@gmail.com> wrote:
> On Wed, Aug 4, 2010 at 4:56 PM, Diego Novillo <dnovillo@google.com> wrote:
>> On Wed, Aug 4, 2010 at 14:52, Bingfeng Mei <bmei@broadcom.com> wrote:
>>
>>> 2010-08-04 ?Bingfeng Mei ?<bmei@broadcom.com>
>>>
>>> ? ? ? ?* alias.c (walk_mems_2): Call rtx_refs_may_alias_p
>>> ? ? ? ?instead of alias_sets_conflict_p to get more accurate
>>> ? ? ? ?alias set information.
>>
>> OK.
>
> Wait. ?You need to use a proper dependence function instead,
> rtx_refs_may_alias_p isn't supposed to be used directly.

Which would be true_dependence if using TBAA is valid here
(which I am not sure).

Richard.

> Richard.
>
>>
>> Diego.
>>
>


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