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Re: [RFC] Split -mrecip


On Wed, Oct 5, 2011 at 6:19 PM, Michael Matz <matz@suse.de> wrote:

>> Looking at this topic again, I'd propose that x86 adopts approach from
>> rs6000. The rs6000 approach is more extensible, and offers the same
>> flexibility, due to "!".
>>
>> So, x86 could have "-mrecip=<opt>", with all, default, none, div,
>> vec-div, divf, vec-divf, rsqrt, etc ... combinations,
>
> Like so. ?Currently regstrapping on x86_64-linux. ?Okay if that succeeds?

OK, with a nit - I'd introduce RECIP_MASK_NONE and use it in place of
0 in a couple of places.

Thanks,
Uros.


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