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powerpc: Remove POWER7 wordcopy ifunc

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This patch remove the POWER7 ifunc wordcopy function
(_wordcopy_*_power7), since now GLIBC provides a optimized memmove/bcopy
for POWER7.
This commit is contained in:
Adhemerval Zanella 2015-01-20 22:08:21 -05:00
parent 6f0993a638
commit 18e270aada
4 changed files with 18 additions and 45 deletions
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9
ChangeLog
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@ -1,5 +1,14 @@
2015-02-09 Adhemerval Zanellla <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc64/multiarch/Makefile [sysdep_routines]:
Remove wordcopy-power7 object.
* sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c: Remove file.
* sysdeps/powerpc/powerpc64/multiarch/wordcopy.c
(_wordcopy_fwd_aligned): Remove POWER7 specialization.
(_wordcopy_fwd_dest_aligned): Likewise.
(_wordcopy_bwd_aligned): Likewise.
(_wordcopy_bwd_dest_aligned): Likewise.
* sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c (__bcopy_ppc):
Rewrite to call __memmove_ppc instead of include default
implementation.

3
sysdeps/powerpc/powerpc64/multiarch/Makefile
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@ -11,7 +11,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
strncmp-power8 strncmp-power7 strncmp-power4 strncmp-ppc64 \
strchr-power7 strchr-ppc64 \
strchrnul-power7 strchrnul-ppc64 \
wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \
wordcopy-power6 wordcopy-ppc64 \
strcpy-power8 strcpy-power7 strcpy-ppc64 stpcpy-power8 \
stpcpy-power7 stpcpy-ppc64 \
strrchr-power7 strrchr-ppc64 strncat-power7 strncat-ppc64 \
@ -23,7 +23,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
CFLAGS-wordcopy-power7.c += -mcpu=power7
CFLAGS-wordcopy-power6.c += -mcpu=power6
endif

19
sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c
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@ -1,19 +0,0 @@
/* wordcopy routines for powerpc64/power7.
Copyright (C) 2013-2015 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; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c>

32
sysdeps/powerpc/powerpc64/multiarch/wordcopy.c
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@ -26,14 +26,10 @@ extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_ppc
attribute_hidden;
extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power6
attribute_hidden;
extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power7
attribute_hidden;
libc_ifunc (_wordcopy_fwd_aligned,
(hwcap & PPC_FEATURE_HAS_VSX)
? _wordcopy_fwd_aligned_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_fwd_aligned_power6
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_fwd_aligned_power6
: _wordcopy_fwd_aligned_ppc);
@ -41,14 +37,10 @@ extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_ppc
attribute_hidden;
extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power6
attribute_hidden;
extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power7
attribute_hidden;
libc_ifunc (_wordcopy_fwd_dest_aligned,
(hwcap & PPC_FEATURE_HAS_VSX)
? _wordcopy_fwd_dest_aligned_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_fwd_dest_aligned_power6
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_fwd_dest_aligned_power6
: _wordcopy_fwd_dest_aligned_ppc);
@ -56,14 +48,10 @@ extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_ppc
attribute_hidden;
extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power6
attribute_hidden;
extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power7
attribute_hidden;
libc_ifunc (_wordcopy_bwd_aligned,
(hwcap & PPC_FEATURE_HAS_VSX)
? _wordcopy_bwd_aligned_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_bwd_aligned_power6
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_bwd_aligned_power6
: _wordcopy_bwd_aligned_ppc);
@ -71,14 +59,10 @@ extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_ppc
attribute_hidden;
extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power6
attribute_hidden;
extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power7
attribute_hidden;
libc_ifunc (_wordcopy_bwd_dest_aligned,
(hwcap & PPC_FEATURE_HAS_VSX)
? _wordcopy_bwd_dest_aligned_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_bwd_dest_aligned_power6
(hwcap & PPC_FEATURE_ARCH_2_05)
? _wordcopy_bwd_dest_aligned_power6
: _wordcopy_bwd_dest_aligned_ppc);
#else