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Re: [PATCH] Improve ix86 machine reorg (PR target/39942, take 2, part 2)


On Thu, May 21, 2009 at 1:08 PM, Bernd Schmidt <bernds_cb1@t-online.de> wrote:
> Jakub Jelinek wrote:
>>
>> Here is an updated patch for the rest, I've noted a couple of issues with
>> the patch from April. ?I'm also attaching an awk script
>> (objdump -d cc1plus | ~/test4jmp.awk) which I've used for verification.
>> Both without and with the patch there are a few hits, meaning the
>> algorithm
>> had and still has issues (especially for -fprofile-use), but at least
>> this patch (nor the other patch I've sent a few minutes ago) causes
>> significant regressions.
>>
>> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
>
> Should this go on the 4.3/4.4 as well? ?Seemed to make quite a
> difference when I tried it with 4.3.

It's not a regression, but certainly the first and simpler patch could go to
the branches as well.

Richard.


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