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);
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