aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc
diff options
context:
space:
mode:
authorRichard Henderson <rth@twiddle.net>2014-06-25 13:58:59 -0700
committerRichard Henderson <rth@twiddle.net>2014-07-03 08:38:30 -0700
commit86e1a7ff92df1589a3a0e0dd44ef2d861e307620 (patch)
tree4d4d60aeed7a88a42ac04f5e0867fc76b832d84f /sysdeps/powerpc
parent428dd03f5a7291d19f0c45fc314da9356ee22d63 (diff)
downloadglibc-86e1a7ff92df1589a3a0e0dd44ef2d861e307620.zip
glibc-86e1a7ff92df1589a3a0e0dd44ef2d861e307620.tar.gz
glibc-86e1a7ff92df1589a3a0e0dd44ef2d861e307620.tar.bz2
Unify hp-timing implementations
Provide an hp-timing-common.h for ports to use.
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/powerpc32/power4/hp-timing.h54
-rw-r--r--sysdeps/powerpc/powerpc64/hp-timing.h54
2 files changed, 2 insertions, 106 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/hp-timing.h b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
index 702efac..f5237e3 100644
--- a/sysdeps/powerpc/powerpc32/power4/hp-timing.h
+++ b/sysdeps/powerpc/powerpc32/power4/hp-timing.h
@@ -20,43 +20,6 @@
#ifndef _HP_TIMING_H
#define _HP_TIMING_H 1
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-#include <atomic.h>
-
-/* The macros defined here use the powerpc 64-bit time base register.
- The time base is nominally clocked at 1/8th the CPU clock, but this
- can vary.
-
- The list of macros we need includes the following:
-
- - HP_TIMING_AVAIL: test for availability.
-
- - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
- implemented using function calls but instead uses some inlined code
- which might simply consist of a few assembler instructions. We have to
- know this since we might want to use the macros here in places where we
- cannot make function calls.
-
- - hp_timing_t: This is the type for variables used to store the time
- values.
-
- - HP_TIMING_NOW: place timestamp for current time in variable given as
- parameter.
-
- - HP_TIMING_DIFF: compute difference between two times and store it
- in a third. Source and destination might overlap.
-
- - 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
- HP_TIMING_INLINE is specified.
-
-*/
-
/* We always assume having the timestamp register. */
#define HP_TIMING_AVAIL (1)
@@ -85,21 +48,6 @@ typedef unsigned long long int hp_timing_t;
Var = ((hp_timing_t) hi << 32) | lo; \
} while (0)
-/* It's simple arithmetic in 64-bit. */
-#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff) (Sum) += (Diff)
-
-/* Print the time value. */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
- do { \
- char __buf[20]; \
- char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0); \
- size_t __len = (Len); \
- char *__dest = (Buf); \
- while (__len-- > 0 && __cp < __buf + sizeof (__buf)) \
- *__dest++ = *__cp++; \
- memcpy (__dest, " ticks", MIN (__len, sizeof (" ticks"))); \
- } while (0)
+#include <hp-timing-common.h>
#endif /* hp-timing.h */
diff --git a/sysdeps/powerpc/powerpc64/hp-timing.h b/sysdeps/powerpc/powerpc64/hp-timing.h
index 7241b9b..d4fcb3d 100644
--- a/sysdeps/powerpc/powerpc64/hp-timing.h
+++ b/sysdeps/powerpc/powerpc64/hp-timing.h
@@ -20,43 +20,6 @@
#ifndef _HP_TIMING_H
#define _HP_TIMING_H 1
-#include <string.h>
-#include <sys/param.h>
-#include <_itoa.h>
-#include <atomic.h>
-
-/* The macros defined here use the powerpc 64-bit time base register.
- The time base is nominally clocked at 1/8th the CPU clock, but this
- can vary.
-
- The list of macros we need includes the following:
-
- - HP_TIMING_AVAIL: test for availability.
-
- - HP_TIMING_INLINE: this macro is non-zero if the functionality is not
- implemented using function calls but instead uses some inlined code
- which might simply consist of a few assembler instructions. We have to
- know this since we might want to use the macros here in places where we
- cannot make function calls.
-
- - hp_timing_t: This is the type for variables used to store the time
- values.
-
- - HP_TIMING_NOW: place timestamp for current time in variable given as
- parameter.
-
- - HP_TIMING_DIFF: compute difference between two times and store it
- in a third. Source and destination might overlap.
-
- - 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
- HP_TIMING_INLINE is specified.
-
-*/
-
/* We always assume having the timestamp register. */
#define HP_TIMING_AVAIL (1)
@@ -77,21 +40,6 @@ typedef unsigned long long int hp_timing_t;
#define HP_TIMING_NOW(Var) __asm__ __volatile__ ("mftb %0" : "=r" (Var))
#endif
-/* It's simple arithmetic in 64-bit. */
-#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start))
-
-#define HP_TIMING_ACCUM_NT(Sum, Diff) (Sum) += (Diff)
-
-/* Print the time value. */
-#define HP_TIMING_PRINT(Buf, Len, Val) \
- do { \
- char __buf[20]; \
- char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0); \
- size_t __len = (Len); \
- char *__dest = (Buf); \
- while (__len-- > 0 && __cp < __buf + sizeof (__buf)) \
- *__dest++ = *__cp++; \
- memcpy (__dest, " ticks", MIN (__len, sizeof (" ticks"))); \
- } while (0)
+#include <hp-timing-common.h>
#endif /* hp-timing.h */