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-rw-r--r--sysdeps/x86_64/hp-timing.h10
1 files changed, 3 insertions, 7 deletions
diff --git a/sysdeps/x86_64/hp-timing.h b/sysdeps/x86_64/hp-timing.h
index 59a29abd45..e015ff79db 100644
--- a/sysdeps/x86_64/hp-timing.h
+++ b/sysdeps/x86_64/hp-timing.h
@@ -1,5 +1,5 @@
 /* High precision, low overhead timing functions.  x86-64 version.
-   Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,11 +31,7 @@
 
 /* The funny business for 32-bit mode is not required here.  */
 # undef HP_TIMING_ACCUM
-# define HP_TIMING_ACCUM(Sum, Diff)					      \
-  do {									      \
-    hp_timing_t __diff = (Diff) - GLRO(dl_hp_timing_overhead);		      \
-    __asm__ __volatile__ ("lock; addq %1, %0"				      \
-			  : "=m" (Sum) : "r" (__diff), "m" (Sum));	      \
-  } while (0)
+# define HP_TIMING_ACCUM(Sum, Diff) ((Sum) += (Diff))
+
 
 #endif /* hp-timing.h */