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Re: [PATCH 1/6] powerpc: Remove dummy hp-timing.h
- From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- To: Richard Henderson <rth at twiddle dot net>, libc-alpha at sourceware dot org
- Cc: davem at davemloft dot net, marcus dot shawcroft at arm dot com
- Date: Thu, 26 Jun 2014 09:52:22 -0300
- Subject: Re: [PATCH 1/6] powerpc: Remove dummy hp-timing.h
- Authentication-results: sourceware.org; auth=none
- References: <1403735086-21797-1-git-send-email-rth at twiddle dot net> <1403735086-21797-2-git-send-email-rth at twiddle dot net>
That's ok, thanks.
On 25-06-2014 19:24, Richard Henderson wrote:
> It's the same as the generic dummy version.
> * sysdeps/powerpc/powerpc32/hp-timing.h: Remove file.
> sysdeps/powerpc/powerpc32/hp-timing.h | 81 -----------------------------------
> 1 file changed, 81 deletions(-)
> delete mode 100644 sysdeps/powerpc/powerpc32/hp-timing.h
> diff --git a/sysdeps/powerpc/powerpc32/hp-timing.h b/sysdeps/powerpc/powerpc32/hp-timing.h
> deleted file mode 100644
> index 9ff52eb..0000000
> --- a/sysdeps/powerpc/powerpc32/hp-timing.h
> +++ /dev/null
> @@ -1,81 +0,0 @@
> -/* High precision, low overhead timing functions. Linux/PPC32 version.
> - Copyright (C) 2005-2014 Free Software Foundation, Inc.
> - This file is part of the GNU C Library.
> - 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/>. */
> -#ifndef _HP_TIMING_H
> -#define _HP_TIMING_H 1
> -/* There are no generic definitions for the times. We could write something
> - using the `gettimeofday' system call where available but the overhead of
> - the system call might be too high.
> - In case a platform supports timers in the hardware the following macros
> - and types must be defined:
> - - 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_ZERO: clear `hp_timing_t' object.
> - - 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.
> - - 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_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.
> -/* Provide dummy definitions. */
> -#define HP_TIMING_AVAIL (0)
> -#define HP_TIMING_INLINE (0)
> -typedef unsigned long long int hp_timing_t;
> -#define HP_TIMING_ZERO(Var)
> -#define HP_TIMING_NOW(var)
> -#define HP_TIMING_DIFF_INIT()
> -#define HP_TIMING_DIFF(Diff, Start, End)
> -#define HP_TIMING_ACCUM(Sum, Diff)
> -#define HP_TIMING_ACCUM_NT(Sum, Diff)
> -#define HP_TIMING_PRINT(Buf, Len, Val)
> -/* Since this implementation is not available we tell the user about it. */
> -#define HP_TIMING_NONAVAIL 1
> -#endif /* hp-timing.h */