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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Wed, 18 Jul 2012 15:36:04 +0000 (UTC)
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Subject: svn commit: r238597 - head/sys/amd64/amd64
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Author: kib
Date: Wed Jul 18 15:36:03 2012
New Revision: 238597
URL: http://svn.freebsd.org/changeset/base/238597

Log:
  Add stmxcsr.
  
  Submitted by:	Ed Alley <wea llnl gov>
  PR:	  amd64/169927
  MFC after:	3 weeks

Modified:
  head/sys/amd64/amd64/fpu.c

Modified: head/sys/amd64/amd64/fpu.c
==============================================================================
--- head/sys/amd64/amd64/fpu.c	Wed Jul 18 12:41:09 2012	(r238596)
+++ head/sys/amd64/amd64/fpu.c	Wed Jul 18 15:36:03 2012	(r238597)
@@ -73,6 +73,7 @@ __FBSDID("$FreeBSD$");
 #define	fxrstor(addr)		__asm __volatile("fxrstor %0" : : "m" (*(addr)))
 #define	fxsave(addr)		__asm __volatile("fxsave %0" : "=m" (*(addr)))
 #define	ldmxcsr(csr)		__asm __volatile("ldmxcsr %0" : : "m" (csr))
+#define	stmxcsr(addr)		__asm __volatile("stmxcsr %0" : : "m" (*(addr)))
 
 static __inline void
 xrstor(char *addr, uint64_t mask)
@@ -105,6 +106,7 @@ void	fnstsw(caddr_t addr);
 void	fxsave(caddr_t addr);
 void	fxrstor(caddr_t addr);
 void	ldmxcsr(u_int csr);
+void	stmxcsr(u_int csr);
 void	xrstor(char *addr, uint64_t mask);
 void	xsave(char *addr, uint64_t mask);