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From: =?UTF-8?B?TWFudWVsIEzDs3Blei1JYsOhw7Fleg==?= <lopezibanez@gmail.com>
Date: Thu, 03 Mar 2016 16:01:00 -0000
Message-ID: <CAESRpQBaL4=eOsCYpL09WimpbRQ5RkWiziEiqQfLO2atVr08=w@mail.gmail.com>
Subject: Re: [PATCH] Reuse the saved_scope structures allocated by push_to_top_level
To: Patrick Palka <patrick@parcs.ath.cx>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>, GCC Patches <gcc-patches@gcc.gnu.org>, 	Jason Merrill <jason@redhat.com>
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On 3 March 2016 at 15:39, Patrick Palka <patrick@parcs.ath.cx> wrote:
> On Thu, Mar 3, 2016 at 10:22 AM, Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez
> <lopezibanez@gmail.com> wrote:
>> It would be an overall improvement if it was neither a TREE_LIST, nor a
>> TREE_VECTOR: https://gcc.gnu.org/wiki/Speedup_areas#Trees
>>
>> Those kinds of cleanups are always welcome even if they do not improve
>> performance noticeably at first glance. The speed-up will show up once
>> TREE_LIST is removed completely.
>
> Ah yeah, I meant if cp_binding_level::names were a vec<tree, va_gc>
> since it would have to be resizable.

Sure, what I meant is that such a change is an improvement even if you
cannot measure any speed-up at all right now. Go for it!

Cheers,

Manuel.