From: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Date: Sat, 13 Jan 2007 15:06:32 +0000 (+0000)
Subject: atomicity.h (__exchange_and_add): Don't use ordered store.
X-Git-Tag: releases/gcc-4.3.0~7512
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8f0d85d6e81d481c61a70ec77d7f14c77c9d5921;p=thirdparty%2Fgcc.git

atomicity.h (__exchange_and_add): Don't use ordered store.

	* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
	store.
	(__atomic_add): Likewise.

From-SVN: r120751
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ad457a60adf0..5a20902efbe3 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-13  John David Anglin  <dave.anglin@nrc-cnrc.gc>
+
+	* config/cpu/hppa/atomicity.h (__exchange_and_add): Don't use ordered
+	store.
+	(__atomic_add): Likewise.
+
 2007-01-13  Paolo Carlini  <pcarlini@suse.de>
 
 	PR libstdc++/14991
diff --git a/libstdc++-v3/config/cpu/hppa/atomicity.h b/libstdc++-v3/config/cpu/hppa/atomicity.h
index 76c09e046fb5..dc415ca32a3a 100644
--- a/libstdc++-v3/config/cpu/hppa/atomicity.h
+++ b/libstdc++-v3/config/cpu/hppa/atomicity.h
@@ -66,8 +66,7 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
     
     result = *__mem;
     *__mem = result + __val;
-    /* Reset lock with PA 2.0 "ordered" store.  */
-    __asm__ __volatile__ ("stw,ma %1,0(%0)"
+    __asm__ __volatile__ ("stw %1,0(%0)"
 			  : : "r" (&lock), "r" (tmp) : "memory");
     return result;
   }
@@ -90,8 +89,7 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 			  : "memory");
     
     *__mem += __val;
-    /* Reset lock with PA 2.0 "ordered" store.  */
-    __asm__ __volatile__ ("stw,ma %1,0(%0)"
+    __asm__ __volatile__ ("stw %1,0(%0)"
 			  : : "r" (&lock), "r" (tmp) : "memory");
   }