More on VIEW_CONVERT_EXPR
Mark Mitchell
mark@codesourcery.com
Thu Jul 22 01:08:00 GMT 2004
Richard Henderson wrote:
>On Wed, Jul 21, 2004 at 10:32:05AM -0700, Mark Mitchell wrote:
>
>
>>Zack Weinberg wrote:
>>
>>
>>>Uh, *(type2 *)&X doesn't work in the general case due to the aliasing
>>>rules, whereas I get the impression V_C_E is expected to work always.
>>>
>>>
>>>
>>>
>>Good point!
>>
>>I'm not sure if there's a way around that. I was just trying to think
>>of a way to keep this on the front-end's side of the fence.
>>
>>
>
>Certainly there's a way around it if the front end cares --
>the two types get put in the same alias set.
>
>
That wouldn't be too conservative?
What's your thinking here vis a vis the idea of moving this back into
Ada-land? I'm not terribly eager to do that; just thinking.
--
Mark Mitchell
CodeSourcery, LLC
(916) 791-8304
mark@codesourcery.com
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