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From: Eugene Yudin <e.yudin@ndmsystems.com>
To: musl@lists.openwall.com
Subject: Re: [PATCH] MIPS big endian and *stat syscalls return value
Date: Tue, 7 Apr 2015 21:18:33 +0300	[thread overview]
Message-ID: <CAPmKWpG8z3rzjtjb17cPQb8SrVp_Es4S2HD6o1-sBeOHmitQQg@mail.gmail.com> (raw)
In-Reply-To: <20150407143415.GI6817@brightrain.aerifal.cx>

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Thanks for a quick response!

On Tue, Apr 7, 2015 at 5:34 PM, Rich Felker <dalias@libc.org> wrote:

> I'm
> guessing you need -O0 to trigger it, no?


I'm experience problem with optimization for size (-Os).
It's look like behaviour was changed in later GCC (at least from 4.8.3).
I will test another optimization levels.


> > i wonder if __stat_fix could be inlined in a way that the
> > compiler knows it shouldnt clobber r2.
>
> In practice it always is, at least for me. But relying on that for
> semantic purposes is not valid.
>

I read that in linux kernel are used attribute "always_inline" for critical
parts.

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  reply	other threads:[~2015-04-07 18:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-07  9:25 Eugene
2015-04-07 11:58 ` Szabolcs Nagy
2015-04-07 14:34   ` Rich Felker
2015-04-07 18:18     ` Eugene Yudin [this message]
2015-04-07 18:24       ` Rich Felker
2015-04-08  7:37         ` Eugene

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