Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 3 Mar 2005 21:04:25 GMT
From:      John Baldwin <jhb@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 72450 for review
Message-ID:  <200503032104.j23L4Pjw010114@repoman.freebsd.org>

next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=72450

Change 72450 by jhb@jhb_slimer on 2005/03/03 21:03:35

	Clobber memory for cas{x,}a() inlines.
	
	Suggested by:  alc

Affected files ...

.. //depot/projects/smpng/sys/sparc64/include/cpufunc.h#20 edit

Differences ...

==== //depot/projects/smpng/sys/sparc64/include/cpufunc.h#20 (text+ko) ====

@@ -63,14 +63,14 @@
 #define	casa(rs1, rs2, rd, asi) ({					\
 	u_int __rd = (uint32_t)(rd);					\
 	__asm __volatile("casa [%1] %2, %3, %0"				\
-	    : "+r" (__rd) : "r" (rs1), "n" (asi), "r" (rs2));		\
+	    : "+r" (__rd) : "r" (rs1), "n" (asi), "r" (rs2) : "memory");\
 	__rd;								\
 })
 
 #define	casxa(rs1, rs2, rd, asi) ({					\
 	u_long __rd = (uint64_t)(rd);					\
 	__asm __volatile("casxa [%1] %2, %3, %0"			\
-	    : "+r" (__rd) : "r" (rs1), "n" (asi), "r" (rs2));		\
+	    : "+r" (__rd) : "r" (rs1), "n" (asi), "r" (rs2) : "memory");\
 	__rd;								\
 })
 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200503032104.j23L4Pjw010114>