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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 ccc49e63ce..6b49ffc2eb 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))