diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/perf.c | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index c1da34a5df..4884cc2d12 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2005-09-22 Roland McGrath <roland@redhat.com> + + * perf.c [__x86_64__] (HP_TIMING_NOW): New macro (copied from + ../sysdeps/x86_64/hp-timing.h). + 2005-08-29 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (FUTEX_WAKE_OP, diff --git a/nptl/perf.c b/nptl/perf.c index 5b920d719d..f0dbc29ca0 100644 --- a/nptl/perf.c +++ b/nptl/perf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -705,6 +705,11 @@ clock_getcpuclockid (pid_t pid, clockid_t *clock_id) #ifdef i386 #define HP_TIMING_NOW(Var) __asm__ __volatile__ ("rdtsc" : "=A" (Var)) +#elif defined __x86_64__ +# define HP_TIMING_NOW(Var) \ + ({ unsigned int _hi, _lo; \ + asm volatile ("rdtsc" : "=a" (_lo), "=d" (_hi)); \ + (Var) = ((unsigned long long int) _hi << 32) | _lo; }) #elif defined __ia64__ #define HP_TIMING_NOW(Var) __asm__ __volatile__ ("mov %0=ar.itc" : "=r" (Var) : : "memory") #else |