From: Dominik Vogt <vogt@linux.vnet.ibm.com>
To: gcc-patches@gcc.gnu.org
Cc: Andreas Krebbel <krebbel@linux.vnet.ibm.com>,
Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Subject: Re: [PATCH] S/390: Optimize atomic_compare_exchange and atomic_compare builtins.
Date: Wed, 05 Apr 2017 13:52:00 -0000 [thread overview]
Message-ID: <20170405135200.GA3230@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170327202735.GA21766@linux.vnet.ibm.com>
On Mon, Mar 27, 2017 at 09:27:35PM +0100, Dominik Vogt wrote:
> The attached patch optimizes the atomic_exchange and
> atomic_compare patterns on s390 and s390x (mostly limited to
> SImode and DImode). Among general optimizaation, the changes fix
> most of the problems reported in PR 80080:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80080
>
> Bootstrapped and regression tested on a zEC12 with s390 and s390x
> biarch.
New version attached.
v3:
* Remove sne* patterns.
* Move alignment check from s390_expand_cs to s390.md.
* Use s_operand instead of memory_nosymref_operand.
* Remove memory_nosymref_operand.
* Allow any CC-mode in cstorecc4 for TARGET_Z196.
* Fix EQ with TARGET_Z196 in cstorecc4.
* Duplicate CS patterns for CCZmode.
Bootstrapped and regression tested on a zEC12 with s390 and s390x
biarch.
Ciao
Dominik ^_^ ^_^
--
Dominik Vogt
IBM Germany
next prev parent reply other threads:[~2017-04-05 13:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 20:50 Dominik Vogt
2017-03-29 15:22 ` [PATCH v2] " Dominik Vogt
2017-04-05 13:52 ` Dominik Vogt [this message]
2017-04-05 15:25 ` [PATCH] " Ulrich Weigand
2017-04-06 9:35 ` Dominik Vogt
2017-04-06 15:29 ` Ulrich Weigand
2017-04-06 15:34 ` Ulrich Weigand
2017-04-07 14:14 ` Dominik Vogt
2017-04-07 14:34 ` Ulrich Weigand
2017-04-07 15:37 ` Dominik Vogt
2017-04-07 17:22 ` Ulrich Weigand
2017-04-10 9:13 ` Dominik Vogt
2017-04-10 9:21 ` Dominik Vogt
2017-04-10 21:37 ` Ulrich Weigand
2017-04-11 8:11 ` Andreas Krebbel
2017-04-11 14:21 ` [PATCH v5] " Dominik Vogt
2017-04-24 15:20 ` Ulrich Weigand
2017-04-25 8:04 ` Andreas Krebbel
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