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Re: [PATCH 8/8] gas: xtensa: speed up find_trampoline_seg
- From: "augustine dot sterling at gmail dot com" <augustine dot sterling at gmail dot com>
- To: Max Filippov <jcmvbkbc at gmail dot com>
- Cc: binutils at sourceware dot org, "linux-xtensa at linux-xtensa dot org" <linux-xtensa at linux-xtensa dot org>
- Date: Mon, 27 Nov 2017 14:11:08 -0800
- Subject: Re: [PATCH 8/8] gas: xtensa: speed up find_trampoline_seg
- Authentication-results: sourceware.org; auth=none
- References: <1511811574-11128-1-git-send-email-jcmvbkbc@gmail.com> <1511811574-11128-9-git-send-email-jcmvbkbc@gmail.com>
On Mon, Nov 27, 2017 at 11:39 AM, Max Filippov <jcmvbkbc@gmail.com> wrote:
> find_trampoline_seg takes noticeable time when assembling source with
> many sections. Cache the result of the most recent search and check it
> first. No functional changes.
>
> gas/
> 2017-11-20 Max Filippov <jcmvbkbc@gmail.com>
>
> * config/tc-xtensa.c (find_trampoline_seg): Add static variable
> that caches the result of the most recent search.
This is OK.