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[PATCH, RTL-optimization]: Optimize need_atomic_barrier_p a bit

From: Uros Bizjak <ubizjak at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Thu, 11 Jun 2015 11:35:52 +0200
Subject: [PATCH, RTL-optimization]: Optimize need_atomic_barrier_p a bit
Authentication-results: sourceware.org; auth=none

Hello!

We can use MEMMODEL_BASE_MASK here to avoid a couple of similar cases.

2015-06-11  Uros Bizjak  <ubizjak@gmail.com>

    * emit-rtl.c (need_atomic_barrier_p): Mask model with
    MEMMODEL_BASE_MASK.  Remove MEMMODEL_SYNC_* cases.

Tested on x86_64-linux-gnu {,-m32}.

OK for mainline?

Uros.

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