On Fri, Oct 26, 2012 at 3:55 AM, Richard Sandiford
<rdsandif...@googlemail.com> wrote:
> Richard Sandiford <rdsandif...@googlemail.com> writes:
>> Sorry HJ, I got your message just after committing.
>>
>> "H.J. Lu" <hjl.to...@gmail.com> writes:
>>> Please try your patch on Linux/ia32 with go enabled.  There is
>>> one go test which runs for a long time:
>>>
>>> 8149 hjl       20   0 49388  40m 9.8m R 99.3  0.3  15:18.35 go1
>>>
>>> and it is still running.
>>
>> Are you sure this new?  I can see long tests in libgo too, but the ones
>> I looked at were because of long var-tracking times:
>>
>>   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54507
>>   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
>>
>> If it is new, which test has got worse?
>
> FWIW, I tried reverting all my patches from yesterday and then
> bootstrapped on ia32.  My results were similar to Uros's:
> the libgo reflect test took 46m 40s to compile, but without
> var tracking it took 20s.  I checked that the compile time
> without var tracking was still 20s after reapplying my patches,
> and that the patches didn't affect the asm output.
>
> Richard
>

You are right.  reflect test took a long time to compile.
It has nothing to with LRA.

-- 
H.J.

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