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Re: [PATCH] Fix the one entry mem{{,p}cpy,move,set} optimization aliasing issues (PR middle-end/29272)


Eric Botcazou wrote on 10/03/06 14:02:
>> That should suffice for the TBAA alias checks done at the RTL level.
>> The tree level doesn't check the alias set, but presumably we can do
>> something similar if necessary.
> 
> TYPE_REF_CAN_ALIAS_ALL works both at the Tree and the RTL level.
> 
But you don't want to punish all the pointers of that type.  Unless, a
new type was created for that pointer.  DECL_POINTER_ALIAS_SET may be
good enough.


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