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From: Andrea Corallo <akrl@sdf.org>
To: "Nicolas Bértolo" <nicolasbertolo@gmail.com>
Cc: 41615@debbugs.gnu.org
Subject: bug#41615: [feature/native-comp] Dump prettier C code.
Date: Sun, 31 May 2020 18:11:03 +0000	[thread overview]
Message-ID: <xjfy2p8j7pk.fsf@sdf.org> (raw)
In-Reply-To: <CAFnS-O=5u3cqUjhFGnEc8Pa==0r2Jtx4A6uhfDBOBuN60wTE4A@mail.gmail.com> ("Nicolas Bértolo"'s message of "Sun, 31 May 2020 14:26:46 -0300")

Nicolas Bértolo <nicolasbertolo@gmail.com> writes:

>> I believe bzero is unnecessary given these are static allocated.
>
> Ok with me.
>
>> For memcpy we can just use the standard library implementation given
>>  elns are linked to it.  The other advantage is that doing this way (here
>> at least) memcpy is not inlined also at speed 3, so we don't trap in the
>> optimizer issue!
>
> This is good!
>
>> All summed is even a little faster than the stock patch and closer to
>> the one with the specific GCC blob support.
>
> Good.
>
>> Let me know if you like the attached and if does the job for you too.
>
> I like it. I see calls to memcpy even with -O3, which is great.
>
> Nico

Great, I've measured the startup time here on GNU/Linux 64 bit and is
slower by few milliseconds in average therefore totally acceptable.

The whole compilation is something like 5x faster here.

I've pushed it as 3efb2808d4

Thanks

  Andrea

-- 
akrl@sdf.org





  reply	other threads:[~2020-05-31 18:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-30 15:08 bug#41615: [feature/native-comp] Dump prettier C code Nicolas Bértolo
2020-05-30 22:20 ` Nicolas Bértolo
2020-05-31 10:45   ` Andrea Corallo
2020-05-31 15:42     ` Nicolas Bértolo
2020-05-31 11:37   ` Andrea Corallo
2020-05-31 15:48     ` Andrea Corallo
2020-05-31 15:54     ` Nicolas Bértolo
2020-05-31 16:57       ` Andrea Corallo
2020-05-31 17:26         ` Nicolas Bértolo
2020-05-31 18:11           ` Andrea Corallo [this message]
2020-05-31 19:38             ` Nicolas Bértolo
2020-05-31 20:00               ` Andrea Corallo
2020-05-31 20:18                 ` Andrea Corallo
2020-06-01  7:19               ` Andrea Corallo
2020-06-01 12:25                 ` Nicolas Bértolo
2020-06-01 20:28                   ` Andrea Corallo
2020-06-01 23:11                     ` Nicolas Bértolo
2020-06-04  9:52                       ` Andrea Corallo

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