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.

6 files changed, 0 insertions, 86 deletions

diff --git a/sysdeps/sparc/sparc32/sparcv9/Makefile b/sysdeps/sparc/sparc32/sparcv9/Makefile
index 36f889ec96..925fa4ff73 100644
--- a/sysdeps/sparc/sparc32/sparcv9/Makefile
+++ b/sysdeps/sparc/sparc32/sparcv9/Makefile
@@ -1,10 +1,5 @@
 sysdep-CFLAGS += -mcpu=ultrasparc -Wa,-Av9a
 
-ifeq ($(subdir),csu)
-sysdep_routines += hp-timing
-elide-routines.os += hp-timing
-endif
-
 ifeq ($(have-as-vis3),yes)
 ASFLAGS-.o += -Wa,-Av9d
 ASFLAGS-.os += -Wa,-Av9d
diff --git a/sysdeps/sparc/sparc32/sparcv9/hp-timing.c b/sysdeps/sparc/sparc32/sparcv9/hp-timing.c
deleted file mode 100644
index 2224099940..0000000000
--- a/sysdeps/sparc/sparc32/sparcv9/hp-timing.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/* Support for high precision, low overhead timing functions.  sparcv9 version.
-   Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@redhat.com>, 2001.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <hp-timing.h>
-
-/* We have to define the variable for the overhead.  */
-hp_timing_t _dl_hp_timing_overhead;
diff --git a/sysdeps/sparc/sparc32/sparcv9/hp-timing.h b/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
index c3be1ca944..3f63ce68d3 100644
--- a/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
+++ b/sysdeps/sparc/sparc32/sparcv9/hp-timing.h
@@ -34,21 +34,6 @@ typedef unsigned long long int hp_timing_t;
 			    "srlx %L0, 32, %H0" \
 			    : "=r" (Var))
 
-#define HP_TIMING_DIFF_INIT() \
-  do {									      \
-    int __cnt = 5;							      \
-    GLRO(dl_hp_timing_overhead) = ~0ull;				      \
-    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)
-
 #define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
 
 #define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)
diff --git a/sysdeps/sparc/sparc64/Makefile b/sysdeps/sparc/sparc64/Makefile
index dd3023dcec..dfc118cfef 100644
--- a/sysdeps/sparc/sparc64/Makefile
+++ b/sysdeps/sparc/sparc64/Makefile
@@ -1,8 +1,3 @@
-ifeq ($(subdir),csu)
-sysdep_routines += hp-timing
-elide-routines.os += hp-timing
-endif
-
 ifeq ($(subdir),string)
 sysdep_routines += align-cpy
 endif
diff --git a/sysdeps/sparc/sparc64/hp-timing.c b/sysdeps/sparc/sparc64/hp-timing.c
deleted file mode 100644
index 0a425eddb4..0000000000
--- a/sysdeps/sparc/sparc64/hp-timing.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/* Support for high precision, low overhead timing functions.  sparc64 version.
-   Copyright (C) 2001-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@redhat.com>, 2001.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <hp-timing.h>
-
-/* We have to define the variable for the overhead.  */
-hp_timing_t _dl_hp_timing_overhead;
diff --git a/sysdeps/sparc/sparc64/hp-timing.h b/sysdeps/sparc/sparc64/hp-timing.h
index 9e49b7841b..521f64ec43 100644
--- a/sysdeps/sparc/sparc64/hp-timing.h
+++ b/sysdeps/sparc/sparc64/hp-timing.h
@@ -31,21 +31,6 @@ typedef unsigned long int hp_timing_t;
 
 #define HP_TIMING_NOW(Var) __asm__ __volatile__ ("rd %%tick, %0" : "=r" (Var))
 
-#define HP_TIMING_DIFF_INIT() \
-  do {									      \
-    int __cnt = 5;							      \
-    GLRO(dl_hp_timing_overhead) = ~0ull;				      \
-    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)
-
 #define HP_TIMING_DIFF(Diff, Start, End)	(Diff) = ((End) - (Start))
 
 #define HP_TIMING_ACCUM_NT(Sum, Diff)	(Sum) += (Diff)