From: Uros Bizjak <ubizjak@gmail.com>
To: Kyrill Tkachov <kyrylo.tkachov@arm.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH, i386]: Optimize ix86_atomic_assign_expand_fenv a bit
Date: Mon, 14 Jul 2014 08:11:00 -0000 [thread overview]
Message-ID: <CAFULd4bO9-oC9TW1YFtG0xR7S5BYpaGrVjMkXq77Hu+C8H=sWA@mail.gmail.com> (raw)
In-Reply-To: <53C38F48.6000200@arm.com>
On Mon, Jul 14, 2014 at 10:05 AM, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
>> Attached patch optimizes ix86_atomic_assign_expand_fenv by using
>> register form of "fnstsw %ax" instead of "fnstsw <mem>". This way a
>> memory RW cycle is removed for a temporary.
>
> The patch you attached seems to be the hook implementation for alpha...
Eh, the complete i386 patch follows the alpha hook. I have diffed from
config/ directory instead of config/i386.
Uros.
prev parent reply other threads:[~2014-07-14 8:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-12 9:07 Uros Bizjak
2014-07-14 8:05 ` Kyrill Tkachov
2014-07-14 8:11 ` Uros Bizjak [this message]
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