From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 12 Jun 2015 09:06:27 +0000 (+0000)
Subject: 	* emit-rtl.c (need_atomic_barrier_p): Mask model with
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e205c62d0c60cb0de714d98b958bbd4f650865d6;p=thirdparty%2Fgcc.git

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



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224410 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3504194eca40..9949703612ee 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-12  Uros Bizjak  <ubizjak@gmail.com>
+
+	* emit-rtl.c (need_atomic_barrier_p): Mask model with
+	MEMMODEL_BASE_MASK.  Remove MEMMODEL_SYNC_* cases.
+
 2015-06-11  David Edelsohn  <dje.gcc@gmail.com>
 
 	* dbxout.c (xcoff_debug_hooks): Provide a function for
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 7d3feb13b1df..e064d4ece100 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -6315,20 +6315,17 @@ insn_location (const rtx_insn *insn)
 bool
 need_atomic_barrier_p (enum memmodel model, bool pre)
 {
-  switch (model & MEMMODEL_MASK)
+  switch (model & MEMMODEL_BASE_MASK)
     {
     case MEMMODEL_RELAXED:
     case MEMMODEL_CONSUME:
       return false;
     case MEMMODEL_RELEASE:
-    case MEMMODEL_SYNC_RELEASE:
       return pre;
     case MEMMODEL_ACQUIRE:
-    case MEMMODEL_SYNC_ACQUIRE:
       return !pre;
     case MEMMODEL_ACQ_REL:
     case MEMMODEL_SEQ_CST:
-    case MEMMODEL_SYNC_SEQ_CST:
       return true;
     default:
       gcc_unreachable ();