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authorRichard Henderson <rth@twiddle.net>2014-06-25 12:27:16 -0700
committerRichard Henderson <rth@twiddle.net>2014-07-03 08:38:25 -0700
commit428dd03f5a7291d19f0c45fc314da9356ee22d63 (patch)
tree35017b916f4ebeebf563364be5c07cdee6902a4e /sysdeps/ia64/hp-timing.h
parentc39323e9d2fb6697d5d8739ad9b7959c88a6d5a1 (diff)
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Remove HP_TIMING_DIFF_INIT and dl_hp_timing_overhead
Without HP_TIMING_ACCUM, dl_hp_timing_overhead is write-only. If we remove it, there's no point in HP_TIMING_DIFF_INIT either.
Diffstat (limited to 'sysdeps/ia64/hp-timing.h')
-rw-r--r--sysdeps/ia64/hp-timing.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/sysdeps/ia64/hp-timing.h b/sysdeps/ia64/hp-timing.h
index ccc49e6..6b49ffc 100644
--- a/sysdeps/ia64/hp-timing.h
+++ b/sysdeps/ia64/hp-timing.h
@@ -46,9 +46,6 @@
- HP_TIMING_NOW: place timestamp for current time in variable given as
parameter.
- - HP_TIMING_DIFF_INIT: do whatever is necessary to be able to use the
- HP_TIMING_DIFF macro.
-
- HP_TIMING_DIFF: compute difference between two times and store it
in a third. Source and destination might overlap.
@@ -84,22 +81,6 @@ typedef unsigned long int hp_timing_t;
while (REPEAT_READ (__itc)); \
Var = __itc; })
-/* Use two 'ar.itc' instructions in a row to find out how long it takes. */
-#define HP_TIMING_DIFF_INIT() \
- do { \
- int __cnt = 5; \
- GLRO(dl_hp_timing_overhead) = ~0ul; \
- do \
- { \
- hp_timing_t __t1, __t2; \
- HP_TIMING_NOW (__t1); \
- HP_TIMING_NOW (__t2); \
- if (__t2 - __t1 < GLRO(dl_hp_timing_overhead)) \
- GLRO(dl_hp_timing_overhead) = __t2 - __t1; \
- } \
- while (--__cnt > 0); \
- } while (0)
-
/* It's simple arithmetic for us. */
#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start))