From patchwork Tue Jun 24 14:23:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 1689 Received: (qmail 6187 invoked by alias); 24 Jun 2014 14:23:19 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 6176 invoked by uid 89); 24 Jun 2014 14:23:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=AWL, BAYES_00, T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: e24smtp05.br.ibm.com Message-ID: <53A989C7.4020207@linux.vnet.ibm.com> Date: Tue, 24 Jun 2014 11:23:03 -0300 From: Adhemerval Zanella User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "GNU C. Library" Subject: [PATCH] PowerPC: optimized memmove for POWER7/PPC32 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14062414-1798-0000-0000-000002F6D4F1 This patch adds a optimized memmove for power7 by using the optimized power7 memcpy for forward copying. Checked on powerpc32-fpu. --- * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Add memmove multiarch objects. * sysdeps/powerpc/powerpc32/power4/multiarch/memmove-power7.c: New file: multiarch power7 memmove. * sysdeps/powerpc/powerpc32/power4/multiarch/memmove-ppc.c: New file: multiarch default memmove. * sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c: New file: multiarch memove for powerpc32/power4. --- diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile index a465685..a7d33b9 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile @@ -11,7 +11,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ strchr-power7 strchr-ppc32 wcschr-power7 wcschr-power6 \ wcschr-ppc32 wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc32 \ wcscpy-power7 wcscpy-power6 wcscpy-ppc32 wordcopy-power7 \ - wordcopy-power6 wordcopy-ppc32 + wordcopy-power6 wordcopy-ppc32 memmove-power7 memmove-ppc CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-power7.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-power7.c new file mode 100644 index 0000000..2861071 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-power7.c @@ -0,0 +1,31 @@ +/* Power7 multiarch memmove. + Copyright (C) 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; see the file COPYING.LIB. If + not, see . */ + +#include + +extern __typeof (memcpy) __memcpy_power7; +#define memcpy __memcpy_power7 + +extern __typeof (memmove) __memmove_power7; +#define MEMMOVE __memmove_power7 + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1 +#include diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-ppc.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-ppc.c new file mode 100644 index 0000000..e323a4d --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove-ppc.c @@ -0,0 +1,34 @@ +/* Power7 multiarch memmove. + Copyright (C) 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; see the file COPYING.LIB. If + not, see . */ + +#include + +extern __typeof (memcpy) __memcpy_ppc; +#define memcpy __memcpy_ppc + +extern __typeof (memmove) __memmove_ppc; +#define MEMMOVE __memmove_ppc + +#if defined SHARED +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + __hidden_ver1 (__memmove_ppc, __GI_memmove, __memmove_ppc); +#endif + +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1 +#include diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c new file mode 100644 index 0000000..1070148 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c @@ -0,0 +1,34 @@ +/* Multiple versions of memmove. PowerPC32 version. + Copyright (C) 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 + . */ + +#if defined SHARED && !defined NOT_IN_libc +/* Redefine memmove so that the compiler won't complain about the type + mismatch with the IFUNC selector in strong_alias, below. */ +# include +# include "init-arch.h" + +extern __typeof (memmove) __memmove_ppc attribute_hidden; +extern __typeof (memmove) __memmove_power7 attribute_hidden; + +libc_ifunc (memmove, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memmove_power7 + : __memmove_ppc); +#else +# include +#endif