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Re: [Fwd: [Bug rtl-optimization/33927] New: replace_read in dse.c could handle cases where GET_MODE_CLASS (read_mode) != GET_MODE_CLASS (store_mode) (and the size is the same)]


Richard Sandiford wrote:
>>>> I was wondering if you had any thoughts on this bugzilla.  I have never
>>>> looked at vector registers and really have no idea what is involved here.
>>>>     
>>>>         
>>> That's a coincidence... I was working on this code for another reason;
>>> see the patch that I'm about to post.  (I don't want to become the defacto
>>> owner of this code though!)
>>>   
>>>       
>> I promise to only ask mode related questions. The rest i will continue
>> to handle.  There really are only a few people who know the edge case of
>> how modes are used and what they mean.
>>
>> No patch was included in your mail. 
>>     
>
> Sorry, I meant the patch that I'm about to post to gcc-patches.
> (Now sent, subject "RFA: DSE replace_read revisited".)
>
> Richard
>   
i will fire this up on x86, ppc and ia-64 and see what happens.
i guess pinskia should try it on spu and see if it fixes his problems. 

kenny


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