2012-10-10 22:48:45 +08:00
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/* Enumerate available IFUNC implementations of a function. i686 version.
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2021-01-03 03:32:25 +08:00
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Copyright (C) 2012-2021 Free Software Foundation, Inc.
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2012-10-10 22:48:45 +08:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 13:40:42 +08:00
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<https://www.gnu.org/licenses/>. */
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2012-10-10 22:48:45 +08:00
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#include <assert.h>
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#include <string.h>
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#include <wchar.h>
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#include <ifunc-impl-list.h>
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#include "init-arch.h"
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/* Maximum number of IFUNC implementations. */
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i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
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#define MAX_IFUNC 4
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2012-10-10 22:48:45 +08:00
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/* Fill ARRAY of MAX elements with IFUNC implementations for function
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NAME and return the number of valid entries. */
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size_t
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__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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size_t max)
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{
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assert (max >= MAX_IFUNC);
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size_t i = 0;
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/* Support sysdeps/i386/i686/multiarch/bcopy.S. */
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IFUNC_IMPL (i, name, bcopy,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, bcopy, CPU_FEATURE_USABLE (SSSE3),
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2012-10-10 22:48:45 +08:00
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__bcopy_ssse3_rep)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, bcopy, CPU_FEATURE_USABLE (SSSE3),
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2015-08-13 18:39:22 +08:00
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__bcopy_ssse3)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, bcopy, CPU_FEATURE_USABLE (SSE2),
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i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
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__bcopy_sse2_unaligned)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ia32))
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/* Support sysdeps/i386/i686/multiarch/bzero.S. */
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IFUNC_IMPL (i, name, bzero,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, bzero, CPU_FEATURE_USABLE (SSE2),
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2015-08-13 18:39:22 +08:00
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__bzero_sse2_rep)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, bzero, CPU_FEATURE_USABLE (SSE2),
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2015-08-13 18:39:22 +08:00
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__bzero_sse2)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ia32))
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/* Support sysdeps/i386/i686/multiarch/memchr.S. */
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IFUNC_IMPL (i, name, memchr,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memchr, CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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__memchr_sse2_bsf)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memchr, CPU_FEATURE_USABLE (SSE2),
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2015-08-13 18:39:22 +08:00
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__memchr_sse2)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ia32))
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/* Support sysdeps/i386/i686/multiarch/memcmp.S. */
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IFUNC_IMPL (i, name, memcmp,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSE4_2),
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2012-10-10 22:48:45 +08:00
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__memcmp_sse4_2)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSSE3),
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2015-08-13 18:39:22 +08:00
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__memcmp_ssse3)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ia32))
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2017-07-19 23:39:18 +08:00
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#ifdef SHARED
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2012-10-10 22:48:45 +08:00
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/* Support sysdeps/i386/i686/multiarch/memmove_chk.S. */
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IFUNC_IMPL (i, name, __memmove_chk,
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2015-08-13 18:39:22 +08:00
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IFUNC_IMPL_ADD (array, i, __memmove_chk,
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2020-06-30 07:36:08 +08:00
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CPU_FEATURE_USABLE (SSSE3),
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2012-10-10 22:48:45 +08:00
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__memmove_chk_ssse3_rep)
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2015-08-13 18:39:22 +08:00
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IFUNC_IMPL_ADD (array, i, __memmove_chk,
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2020-06-30 07:36:08 +08:00
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CPU_FEATURE_USABLE (SSSE3),
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2012-10-10 22:48:45 +08:00
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__memmove_chk_ssse3)
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2015-08-13 18:39:22 +08:00
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IFUNC_IMPL_ADD (array, i, __memmove_chk,
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2020-06-30 07:36:08 +08:00
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CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
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__memmove_chk_sse2_unaligned)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
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__memmove_chk_ia32))
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2017-07-19 23:39:18 +08:00
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#endif
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2012-10-10 22:48:45 +08:00
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/* Support sysdeps/i386/i686/multiarch/memmove.S. */
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IFUNC_IMPL (i, name, memmove,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSSE3),
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2012-10-10 22:48:45 +08:00
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__memmove_ssse3_rep)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSSE3),
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2012-10-10 22:48:45 +08:00
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__memmove_ssse3)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
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__memmove_sse2_unaligned)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32))
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/* Support sysdeps/i386/i686/multiarch/memrchr.S. */
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IFUNC_IMPL (i, name, memrchr,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memrchr, CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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__memrchr_sse2_bsf)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memrchr, CPU_FEATURE_USABLE (SSE2),
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2015-08-13 18:39:22 +08:00
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__memrchr_sse2)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_ia32))
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2017-07-19 23:39:18 +08:00
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#ifdef SHARED
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2012-10-10 22:48:45 +08:00
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/* Support sysdeps/i386/i686/multiarch/memset_chk.S. */
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IFUNC_IMPL (i, name, __memset_chk,
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2015-08-13 18:39:22 +08:00
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IFUNC_IMPL_ADD (array, i, __memset_chk,
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2020-06-30 07:36:08 +08:00
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CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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__memset_chk_sse2_rep)
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2015-08-13 18:39:22 +08:00
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IFUNC_IMPL_ADD (array, i, __memset_chk,
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2020-06-30 07:36:08 +08:00
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CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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__memset_chk_sse2)
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IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
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__memset_chk_ia32))
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2017-07-19 23:39:18 +08:00
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#endif
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2012-10-10 22:48:45 +08:00
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/* Support sysdeps/i386/i686/multiarch/memset.S. */
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IFUNC_IMPL (i, name, memset,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memset, CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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__memset_sse2_rep)
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, memset, CPU_FEATURE_USABLE (SSE2),
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2015-08-13 18:39:22 +08:00
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__memset_sse2)
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2012-10-10 22:48:45 +08:00
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IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ia32))
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/* Support sysdeps/i386/i686/multiarch/rawmemchr.S. */
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IFUNC_IMPL (i, name, rawmemchr,
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2020-06-30 07:36:08 +08:00
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IFUNC_IMPL_ADD (array, i, rawmemchr, CPU_FEATURE_USABLE (SSE2),
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2012-10-10 22:48:45 +08:00
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|
|
__rawmemchr_sse2_bsf)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, rawmemchr, CPU_FEATURE_USABLE (SSE2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__rawmemchr_sse2)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/stpncpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, stpncpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpncpy, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__stpncpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpncpy, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__stpncpy_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/stpcpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, stpcpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpcpy, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__stpcpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpcpy, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__stpcpy_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcasecmp.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcasecmp,
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcasecmp_sse4_2)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcasecmp_ssse3)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcasecmp_l.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcasecmp_l,
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp_l,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcasecmp_l_sse4_2)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp_l,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcasecmp_l_ssse3)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
|
|
|
|
|
__strcasecmp_l_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcat.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcat,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcat, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strcat_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcat, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strcat_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strchr.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strchr,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strchr, CPU_FEATURE_USABLE (SSE2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strchr_sse2_bsf)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strchr, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strchr_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcmp.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcmp, CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcmp_sse4_2)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcmp, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strcmp_ssse3)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcpy, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strcpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcpy, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strcpy_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strcspn.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strcspn,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strcspn, CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strcspn_sse42)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strncase.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strncasecmp,
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncasecmp_sse4_2)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncasecmp_ssse3)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp, 1,
|
|
|
|
|
__strncasecmp_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strncase_l.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strncasecmp_l,
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp_l,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE4_2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strncasecmp_l_sse4_2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp_l,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strncasecmp_l_ssse3)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
|
|
|
|
|
__strncasecmp_l_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strncat.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strncat,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncat, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncat_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncat, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strncat_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strncpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strncpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncpy, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncpy, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strncpy_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strnlen.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strnlen,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strnlen, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strnlen_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strpbrk.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strpbrk,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strpbrk, CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strpbrk_sse42)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strrchr.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strrchr,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strrchr, CPU_FEATURE_USABLE (SSE2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strrchr_sse2_bsf)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strrchr, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strrchr_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strspn.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strspn,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strspn, CPU_FEATURE_USABLE (SSE4_2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strspn_sse42)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wcschr.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wcschr,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcschr, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__wcschr_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcschr, 1, __wcschr_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wcscmp.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wcscmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcscmp, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__wcscmp_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcscmp, 1, __wcscmp_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wcscpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wcscpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcscpy, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__wcscpy_ssse3)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wcslen.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wcslen,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcslen, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__wcslen_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcslen, 1, __wcslen_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wcsrchr.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wcsrchr,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcsrchr, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__wcsrchr_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wcsrchr, 1, __wcsrchr_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/wmemcmp.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, wmemcmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__wmemcmp_sse4_2)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__wmemcmp_ssse3)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_ia32))
|
|
|
|
|
|
|
|
|
|
#ifdef SHARED
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/memcpy_chk.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, __memcpy_chk,
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__memcpy_chk_ssse3_rep)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__memcpy_chk_ssse3)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
|
|
|
__memcpy_chk_sse2_unaligned)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
|
|
|
|
|
__memcpy_chk_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/memcpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, memcpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__memcpy_ssse3_rep)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSSE3),
|
2015-08-13 18:39:22 +08:00
|
|
|
__memcpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
|
|
|
__memcpy_sse2_unaligned)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/mempcpy_chk.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, __mempcpy_chk,
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__mempcpy_chk_ssse3_rep)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__mempcpy_chk_ssse3)
|
2015-08-13 18:39:22 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
|
2020-06-30 07:36:08 +08:00
|
|
|
CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
|
|
|
__mempcpy_chk_sse2_unaligned)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
|
|
|
|
|
__mempcpy_chk_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/mempcpy.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, mempcpy,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__mempcpy_ssse3_rep)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__mempcpy_ssse3)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSE2),
|
i386: memcpy functions with SSE2 unaligned load/store
These new memcpy functions are the 32-bit version of x86_64 SSE2 unaligned
memcpy. Memcpy average performace benefit is 18% on Silvermont, other
platforms also improved about 35%, benchmarked on Silvermont, Haswell, Ivy
Bridge, Sandy Bridge and Westmere, performance results attached in
https://sourceware.org/ml/libc-alpha/2014-07/msg00157.html
* sysdeps/i386/i686/multiarch/bcopy-sse2-unaligned.S: New file.
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy-sse2-unaligned.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Select the sse2_unaligned
version if bit_Fast_Unaligned_Load is set.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
bcopy-sse2-unaligned, memcpy-sse2-unaligned,
memmove-sse2-unaligned and mempcpy-sse2-unaligned.
* sysdeps/i386/i686/multiarch/ifunc-impl-list.c (MAX_IFUNC): Set
to 4.
(__libc_ifunc_impl_list): Test __bcopy_sse2_unaligned,
__memmove_chk_sse2_unaligned, __memmove_sse2_unaligned,
__memcpy_chk_sse2_unaligned, __memcpy_sse2_unaligned,
__mempcpy_chk_sse2_unaligned, and __mempcpy_sse2_unaligned.
2014-12-29 19:39:46 +08:00
|
|
|
__mempcpy_sse2_unaligned)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strlen.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strlen,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strlen, CPU_FEATURE_USABLE (SSE2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strlen_sse2_bsf)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strlen, CPU_FEATURE_USABLE (SSE2),
|
2015-08-13 18:39:22 +08:00
|
|
|
__strlen_sse2)
|
2012-10-10 22:48:45 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ia32))
|
|
|
|
|
|
|
|
|
|
/* Support sysdeps/i386/i686/multiarch/strncmp.S. */
|
|
|
|
|
IFUNC_IMPL (i, name, strncmp,
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncmp, CPU_FEATURE_USABLE (SSE4_2),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncmp_sse4_2)
|
2020-06-30 07:36:08 +08:00
|
|
|
IFUNC_IMPL_ADD (array, i, strncmp, CPU_FEATURE_USABLE (SSSE3),
|
2012-10-10 22:48:45 +08:00
|
|
|
__strncmp_ssse3)
|
|
|
|
|
IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32))
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return i;
|
|
|
|
|
}
|
