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author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-11-19 16:27:56 -0500 |
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committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-12-02 13:34:02 -0500 |
commit | 0f0a1c82f5d8e7b8d24f9eddc2b7728abd3d5bc4 (patch) | |
tree | 4c0490845d3af2ee55f351c32741fac1af18d8ef /sysdeps/powerpc/powerpc64/multiarch | |
parent | bb2542e0ae6f82197e804e7e9b78fed461553fc0 (diff) | |
download | glibc-0f0a1c82f5d8e7b8d24f9eddc2b7728abd3d5bc4.tar.gz |
powerpc: Add powerpc64 strpbrk optimization
This patch makes the POWER7 optimized strpbrk generic by using
default doubleword stores to zero the hash, instead of VSX
instructions. Performance on POWER7/POWER8 does not change.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch')
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 8 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/strpbrk-power7.S | 40 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/strpbrk-ppc64.c | 30 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/strpbrk.c | 31 |
5 files changed, 1 insertions, 110 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index 05dab25b96..39e441b9a0 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -15,7 +15,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \ strcpy-power7 strcpy-ppc64 stpcpy-power7 stpcpy-ppc64 \ strrchr-power7 strrchr-ppc64 strncat-power7 strncat-ppc64 \ - strpbrk-power7 strpbrk-ppc64 strncpy-power7 strncpy-ppc64 \ + strncpy-power7 strncpy-ppc64 \ stpncpy-power7 stpncpy-ppc64 strcmp-power7 strcmp-ppc64 \ strcat-power7 strcat-ppc64 memmove-power7 memmove-ppc64 \ bcopy-ppc64 diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 1a2e38d5b2..8f1e3e1366 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -272,14 +272,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ppc)) - /* Support sysdeps/powerpc/powerpc64/multiarch/strpbrk.c. */ - IFUNC_IMPL (i, name, strpbrk, - IFUNC_IMPL_ADD (array, i, strpbrk, - hwcap & PPC_FEATURE_HAS_VSX, - __strpbrk_power7) - IFUNC_IMPL_ADD (array, i, strpbrk, 1, - __strpbrk_ppc)) - /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c. */ IFUNC_IMPL (i, name, strncpy, IFUNC_IMPL_ADD (array, i, strncpy, diff --git a/sysdeps/powerpc/powerpc64/multiarch/strpbrk-power7.S b/sysdeps/powerpc/powerpc64/multiarch/strpbrk-power7.S deleted file mode 100644 index 663ca36568..0000000000 --- a/sysdeps/powerpc/powerpc64/multiarch/strpbrk-power7.S +++ /dev/null @@ -1,40 +0,0 @@ -/* Optimized strpbrk implementation for POWER7. - 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 - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#undef EALIGN -#define EALIGN(name, alignt, words) \ - .section ".text"; \ - ENTRY_2(__strpbrk_power7) \ - .align ALIGNARG(alignt); \ - EALIGN_W_##words; \ - BODY_LABEL(__strpbrk_power7): \ - cfi_startproc; \ - LOCALENTRY(__strpbrk_power7) - -#undef END -#define END(name) \ - cfi_endproc; \ - TRACEBACK(__strpbrk_power7) \ - END_2(__strpbrk_power7) - -#undef libc_hidden_builtin_def -#define libc_hidden_builtin_def(name) - -#include <sysdeps/powerpc/powerpc64/power7/strpbrk.S> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strpbrk-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/strpbrk-ppc64.c deleted file mode 100644 index 8dea70edc1..0000000000 --- a/sysdeps/powerpc/powerpc64/multiarch/strpbrk-ppc64.c +++ /dev/null @@ -1,30 +0,0 @@ -/* 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 - <http://www.gnu.org/licenses/>. */ - -#include <string.h> - -#define STRPBRK __strpbrk_ppc -#ifdef SHARED - -# undef libc_hidden_builtin_def -# define libc_hidden_builtin_def(name) \ - __hidden_ver1 (__strpbrk_ppc, __GI_strpbrk, __strpbrk_ppc); -#endif - -extern __typeof (strpbrk) __strpbrk_ppc attribute_hidden; - -#include <string/strpbrk.c> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strpbrk.c b/sysdeps/powerpc/powerpc64/multiarch/strpbrk.c deleted file mode 100644 index 47ab6d3525..0000000000 --- a/sysdeps/powerpc/powerpc64/multiarch/strpbrk.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Multiple versions of strpbrk. PowerPC64 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 - <http://www.gnu.org/licenses/>. */ - -#if IS_IN (libc) -# include <string.h> -# include <shlib-compat.h> -# include "init-arch.h" - -extern __typeof (strpbrk) __strpbrk_ppc attribute_hidden; -extern __typeof (strpbrk) __strpbrk_power7 attribute_hidden; - -libc_ifunc (strpbrk, - (hwcap & PPC_FEATURE_HAS_VSX) - ? __strpbrk_power7 - : __strpbrk_ppc); -#endif |