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233 lines
9.6 KiB
233 lines
9.6 KiB
From 09f1f5cc860480fd09383bca00eb71e0f71aae79 Mon Sep 17 00:00:00 2001 |
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From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> |
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Date: Wed, 30 Jul 2014 05:17:26 -0500 |
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Subject: [PATCH] PowerPC: multiarch mempcpy for PowerPC64 |
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commit f00be62b08c1440800898339f74fb4db20b19eef |
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
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Date: Fri Dec 13 14:34:06 2013 -0500 |
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Added sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c and |
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string/mempcpy.c apart from original commit. |
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--- |
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string/mempcpy.c | 9 ++--- |
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.../powerpc32/power4/multiarch/mempcpy-ppc32.c | 32 +++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- |
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 8 +++++ |
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.../powerpc/powerpc64/multiarch/mempcpy-power7.S | 41 ++++++++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/mempcpy-ppc64.c | 19 ++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/mempcpy.c | 38 ++++++++++++++++++++ |
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7 files changed, 145 insertions(+), 5 deletions(-) |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/mempcpy-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/mempcpy-ppc64.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/mempcpy.c |
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diff --git glibc-2.17-c758a686/string/mempcpy.c glibc-2.17-c758a686/string/mempcpy.c |
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index 2a542e3..7509c24 100644 |
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--- glibc-2.17-c758a686/string/mempcpy.c |
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+++ glibc-2.17-c758a686/string/mempcpy.c |
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@@ -26,11 +26,12 @@ |
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#undef mempcpy |
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#undef __mempcpy |
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+#ifndef MEMPCPY |
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+# define MEMPCPY __mempcpy |
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+#endif |
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+ |
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void * |
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-__mempcpy (dstpp, srcpp, len) |
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- void *dstpp; |
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- const void *srcpp; |
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- size_t len; |
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+MEMPCPY (void *dstpp, const void *srcpp, size_t len) |
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{ |
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unsigned long int dstp = (long int) dstpp; |
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unsigned long int srcp = (long int) srcpp; |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c |
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new file mode 100644 |
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index 0000000..8dc77e9 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c |
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@@ -0,0 +1,32 @@ |
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+/* PowerPC32 default implementation of mempcpy. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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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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+ |
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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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+ |
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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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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#define MEMPCPY __mempcpy_ppc |
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+ |
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+#undef libc_hidden_def |
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+#define libc_hidden_def(name) |
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+#undef weak_alias |
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+#define weak_alias(a, b) |
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+ |
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+#if defined SHARED |
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+# undef libc_hidden_builtin_def |
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+# define libc_hidden_builtin_def(name) \ |
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+ __hidden_ver1 (__mempcpy_ppc, __GI_mempcpy, __mempcpy_ppc); |
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+#endif |
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+ |
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+#include <string/mempcpy.c> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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index 424d2cd..22560e8 100644 |
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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@@ -2,5 +2,6 @@ ifeq ($(subdir),string) |
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sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ |
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memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \ |
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memcmp-ppc64 memset-power7 memset-power6 memset-power4 \ |
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- memset-ppc64 bzero-power4 bzero-power6 bzero-power7 |
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+ memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \ |
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+ mempcpy-power7 mempcpy-ppc64 |
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endif |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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index 11e7063..c72c229 100644 |
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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@@ -90,5 +90,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
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__bzero_power4) |
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IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc)) |
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c. */ |
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+ IFUNC_IMPL (i, name, mempcpy, |
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+ IFUNC_IMPL_ADD (array, i, mempcpy, |
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+ hwcap & PPC_FEATURE_HAS_VSX, |
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+ __mempcpy_power7) |
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+ IFUNC_IMPL_ADD (array, i, mempcpy, 1, |
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+ __mempcpy_ppc)) |
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+ |
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return i; |
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} |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-power7.S |
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new file mode 100644 |
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index 0000000..6a79847 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-power7.S |
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@@ -0,0 +1,41 @@ |
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+/* Optimized mempcpy implementation for PowerPC/POWER7. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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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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+ |
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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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+ |
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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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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#include <sysdep.h> |
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+ |
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+#undef EALIGN |
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+#define EALIGN(name, alignt, words) \ |
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+ .section ".text"; \ |
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+ ENTRY_2(__mempcpy_power7) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__mempcpy_power7): \ |
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+ cfi_startproc; |
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+ |
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+#undef END_GEN_TB |
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+#define END_GEN_TB(name, mask) \ |
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+ cfi_endproc; \ |
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+ TRACEBACK_MASK(__mempcpy_power7,mask) \ |
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+ END_2(__mempcpy_power7) |
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+ |
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+#undef libc_hidden_builtin_def |
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+#define libc_hidden_builtin_def(name) |
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+#undef weak_alias |
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+#define weak_alias(name, alias) |
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+ |
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+#include <sysdeps/powerpc/powerpc64/power7/mempcpy.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-ppc64.c |
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new file mode 100644 |
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index 0000000..78260bb |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy-ppc64.c |
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@@ -0,0 +1,19 @@ |
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+/* PowerPC64 default implementation of mempcpy. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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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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+ |
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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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+ |
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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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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#include <sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c |
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new file mode 100644 |
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index 0000000..38fbcc3 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c |
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@@ -0,0 +1,38 @@ |
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+/* Multiple versions of mempcpy. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ |
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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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+ |
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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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+ |
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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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+ <http://www.gnu.org/licenses/>. */ |
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+ |
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+#ifndef NOT_IN_libc |
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+# include <string.h> |
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+# include <shlib-compat.h> |
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+# include "init-arch.h" |
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+ |
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+extern __typeof (__mempcpy) __mempcpy_ppc attribute_hidden; |
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+extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden; |
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+ |
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+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
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+ ifunc symbol properly. */ |
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+libc_ifunc (__mempcpy, |
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+ (hwcap & PPC_FEATURE_HAS_VSX) |
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+ ? __mempcpy_power7 |
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+ : __mempcpy_ppc); |
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+ |
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+weak_alias (__mempcpy, mempcpy) |
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+libc_hidden_def (mempcpy) |
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+#else |
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+# include <string/mempcpy.c> |
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+#endif |
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-- |
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1.8.3.1 |
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