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authorRichard Henderson <rth@twiddle.net>2014-06-25 12:15:19 -0700
committerRichard Henderson <rth@twiddle.net>2014-07-03 08:38:21 -0700
commitc39323e9d2fb6697d5d8739ad9b7959c88a6d5a1 (patch)
treefa3141a230fb12f9a5a3d25d9a47063bf79c4228 /sysdeps/powerpc
parent850e0e032b77ee833a9f98d1bef3f50769bdd0c7 (diff)
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Removing HP_TIMING_ACCUM as unused
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/powerpc32/power4/hp-timing.h18
-rw-r--r--sysdeps/powerpc/powerpc64/hp-timing.h18
2 files changed, 4 insertions, 32 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/hp-timing.h b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
index 2124e02..cd296c5 100644
--- a/sysdeps/powerpc/powerpc32/power4/hp-timing.h
+++ b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
@@ -51,13 +51,8 @@
- HP_TIMING_DIFF: compute difference between two times and store it
in a third. Source and destination might overlap.
- - HP_TIMING_ACCUM: add time difference to another variable. This might
- be a bit more complicated to implement for some platforms as the
- operation should be thread-safe and 64bit arithmetic on 32bit platforms
- is not.
-
- - HP_TIMING_ACCUM_NT: this is the variant for situations where we know
- there are no threads involved.
+ - HP_TIMING_ACCUM_NT: add time difference to another variable, without
+ being thread-safe.
- HP_TIMING_PRINT: write decimal representation of the timing value into
the given string. This operation need not be inline even though
@@ -117,15 +112,6 @@ typedef unsigned long long int hp_timing_t;
/* It's simple arithmetic in 64-bit. */
#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start))
-/* We need to insure that this add is atomic in threaded environments. We use
- __arch_atomic_exchange_and_add_64 from atomic.h to get thread safety. */
-#define HP_TIMING_ACCUM(Sum, Diff) \
- do { \
- hp_timing_t __diff = (Diff) - GLRO(dl_hp_timing_overhead); \
- __arch_atomic_exchange_and_add_64 (&(Sum), __diff); \
- } while (0)
-
-/* No threads, no extra work. */
#define HP_TIMING_ACCUM_NT(Sum, Diff) (Sum) += (Diff)
/* Print the time value. */
diff --git a/sysdeps/powerpc/powerpc64/hp-timing.h b/sysdeps/powerpc/powerpc64/hp-timing.h
index c773541..4cad90a 100644
--- a/sysdeps/powerpc/powerpc64/hp-timing.h
+++ b/sysdeps/powerpc/powerpc64/hp-timing.h
@@ -51,13 +51,8 @@
- HP_TIMING_DIFF: compute difference between two times and store it
in a third. Source and destination might overlap.
- - HP_TIMING_ACCUM: add time difference to another variable. This might
- be a bit more complicated to implement for some platforms as the
- operation should be thread-safe and 64bit arithmetic on 32bit platforms
- is not.
-
- - HP_TIMING_ACCUM_NT: this is the variant for situations where we know
- there are no threads involved.
+ - HP_TIMING_ACCUM_NT: add time difference to another variable, without
+ being thread-safe.
- HP_TIMING_PRINT: write decimal representation of the timing value into
the given string. This operation need not be inline even though
@@ -108,15 +103,6 @@ typedef unsigned long long int hp_timing_t;
/* It's simple arithmetic in 64-bit. */
#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start))
-/* We need to insure that this add is atomic in threaded environments. We use
- __arch_atomic_exchange_and_add_64 from atomic.h to get thread safety. */
-#define HP_TIMING_ACCUM(Sum, Diff) \
- do { \
- hp_timing_t __diff = (Diff) - GLRO(dl_hp_timing_overhead); \
- __arch_atomic_exchange_and_add_64 (&(Sum), __diff); \
- } while (0)
-
-/* No threads, no extra work. */
#define HP_TIMING_ACCUM_NT(Sum, Diff) (Sum) += (Diff)
/* Print the time value. */