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538 lines
22 KiB
538 lines
22 KiB
From 46450f90b70326319f8dc7f0e447e14f0cbd95e6 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 05:01:14 -0500 |
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Subject: [PATCH] PowerPC: multiarch memcpy for PowerPC64 |
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commit b5beafbceec80b5a33d3383dde88196afc966e67 Author: |
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Adhemerval Zanella <azanella@linux.vnet.ibm.com> Date: Fri Dec 13 14:31:41 |
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2013 -0500 |
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PowerPC: multiarch memcpy for PowerPC64 |
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Added sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h which was not part |
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of original commit |
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--- |
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.../powerpc/powerpc32/power4/multiarch/init-arch.h | 52 +++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 4 ++ |
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 66 ++++++++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/init-arch.h | 18 ++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memcpy-a2.S | 39 +++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memcpy-cell.S | 39 +++++++++++++ |
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.../powerpc/powerpc64/multiarch/memcpy-power4.S | 39 +++++++++++++ |
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.../powerpc/powerpc64/multiarch/memcpy-power6.S | 39 +++++++++++++ |
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.../powerpc/powerpc64/multiarch/memcpy-power7.S | 39 +++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S | 41 ++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memcpy.c | 55 ++++++++++++++++++ |
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11 files changed, 431 insertions(+) |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/Makefile |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/init-arch.h |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-a2.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-cell.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memcpy.c |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h |
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new file mode 100644 |
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index 0000000..51a34f2 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h |
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@@ -0,0 +1,52 @@ |
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+/* This file is part of the GNU C Library. |
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+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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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 <ldsodefs.h> |
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+ |
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+/* The code checks if _rtld_global_ro was realocated before trying to access |
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+ the dl_hwcap field. The assembly is to make the compiler not optimize the |
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+ test (&_rtld_global_ro != NULL), which is always true in ISO C (but not |
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+ in that case since _rtld_global_ro might not been realocated yet). */ |
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+#if defined(SHARED) && !defined(IS_IN_rtld) |
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+# define __GLRO(value) \ |
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+ ({ volatile void **__p = (volatile void**)(&_rtld_global_ro); \ |
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+ unsigned long int __ret; \ |
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+ asm ("# x in %0" : "+r" (__p)); \ |
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+ __ret = (__p) ? GLRO(value) : 0; \ |
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+ __ret; }) |
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+#else |
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+# define __GLRO(value) GLRO(value) |
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+#endif |
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+ |
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+/* dl_hwcap contains only the latest supported ISA, the macro checks which is |
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+ and fills the previous ones. */ |
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+#define INIT_ARCH() \ |
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+ unsigned long int hwcap = __GLRO(dl_hwcap); \ |
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+ if (hwcap & PPC_FEATURE_ARCH_2_06) \ |
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+ hwcap |= PPC_FEATURE_ARCH_2_05 | \ |
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+ PPC_FEATURE_POWER5_PLUS | \ |
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+ PPC_FEATURE_POWER5 | \ |
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+ PPC_FEATURE_POWER4; \ |
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+ else if (hwcap & PPC_FEATURE_ARCH_2_05) \ |
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+ hwcap |= PPC_FEATURE_POWER5_PLUS | \ |
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+ PPC_FEATURE_POWER5 | \ |
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+ PPC_FEATURE_POWER4; \ |
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+ else if (hwcap & PPC_FEATURE_POWER5_PLUS) \ |
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+ hwcap |= PPC_FEATURE_POWER5 | \ |
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+ PPC_FEATURE_POWER4; \ |
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+ else if (hwcap & PPC_FEATURE_POWER5) \ |
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+ hwcap |= PPC_FEATURE_POWER4; |
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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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new file mode 100644 |
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index 0000000..638c102 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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@@ -0,0 +1,4 @@ |
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+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 |
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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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new file mode 100644 |
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index 0000000..5090af4 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
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@@ -0,0 +1,66 @@ |
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+/* Enumerate available IFUNC implementations of a function. PowerPC64 version. |
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+ Copyright (C) 2013 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 <assert.h> |
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+#include <string.h> |
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+#include <wchar.h> |
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+#include <ldsodefs.h> |
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+#include <ifunc-impl-list.h> |
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+ |
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+/* Maximum number of IFUNC implementations. */ |
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+#define MAX_IFUNC 6 |
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+ |
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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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+ |
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+ size_t i = 0; |
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+ |
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+ unsigned long int hwcap = GLRO(dl_hwcap); |
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+ /* hwcap contains only the latest supported ISA, the code checks which is |
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+ and fills the previous supported ones. */ |
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+ if (hwcap & PPC_FEATURE_ARCH_2_06) |
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+ hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS | |
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+ PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
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+ else if (hwcap & PPC_FEATURE_ARCH_2_05) |
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+ hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
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+ else if (hwcap & PPC_FEATURE_POWER5_PLUS) |
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+ hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
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+ else if (hwcap & PPC_FEATURE_POWER5) |
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+ hwcap |= PPC_FEATURE_POWER4; |
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+ |
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+#ifdef SHARED |
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/memcpy.c. */ |
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+ IFUNC_IMPL (i, name, memcpy, |
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+ IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX, |
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+ __memcpy_power7) |
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+ IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06, |
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+ __memcpy_a2) |
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+ IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05, |
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+ __memcpy_power6) |
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+ IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE, |
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+ __memcpy_cell) |
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+ IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_POWER4, |
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+ __memcpy_power4) |
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+ IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc)) |
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+#endif |
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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/init-arch.h glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/init-arch.h |
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new file mode 100644 |
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index 0000000..b7d238c |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/init-arch.h |
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@@ -0,0 +1,18 @@ |
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+/* This file is part of the GNU C Library. |
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+ Copyright (C) 2013 Free Software Foundation, Inc. |
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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, |
|
+ 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/init-arch.h> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-a2.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-a2.S |
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new file mode 100644 |
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index 0000000..2d5bfa9 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-a2.S |
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@@ -0,0 +1,39 @@ |
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+/* Optimized memcpy implementation for PowerPC A2. |
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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(__memcpy_a2) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memcpy_a2): \ |
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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(__memcpy_a2,mask) \ |
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+ END_2(__memcpy_a2) |
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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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+ |
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+#include <sysdeps/powerpc/powerpc64/a2/memcpy.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-cell.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-cell.S |
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new file mode 100644 |
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index 0000000..92c06be |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-cell.S |
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@@ -0,0 +1,39 @@ |
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+/* Optimized memcpy implementation for PowerPC/CELL. |
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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(__memcpy_cell) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memcpy_cell): \ |
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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(__memcpy_cell,mask) \ |
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+ END_2(__memcpy_cell) |
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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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+ |
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+#include <sysdeps/powerpc/powerpc64/cell/memcpy.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S |
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new file mode 100644 |
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index 0000000..eb01d67 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S |
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@@ -0,0 +1,39 @@ |
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+/* Optimized memcpy implementation for PowerPC64/POWER4. |
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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 |
|
+ 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, |
|
+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
+ 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 |
|
+ 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(__memcpy_power4) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memcpy_power4): \ |
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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(__memcpy_power4,mask) \ |
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+ END_2(__memcpy_power4) |
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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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+ |
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+#include <sysdeps/powerpc/powerpc64/power4/memcpy.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S |
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new file mode 100644 |
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index 0000000..13b514d |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S |
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@@ -0,0 +1,39 @@ |
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+/* Optimized memcpy implementation for PowerPC/POWER6. |
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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 |
|
+ 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. |
|
+ |
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+ 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/>. */ |
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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(__memcpy_power6) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memcpy_power6): \ |
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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(__memcpy_power6,mask) \ |
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+ END_2(__memcpy_power6) |
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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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+ |
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+#include <sysdeps/powerpc/powerpc64/power6/memcpy.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S |
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new file mode 100644 |
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index 0000000..2aea73d |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S |
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@@ -0,0 +1,39 @@ |
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+/* Optimized memcpy 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 |
|
+ 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. |
|
+ |
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+ 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/>. */ |
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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(__memcpy_power7) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memcpy_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(__memcpy_power7,mask) \ |
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+ END_2(__memcpy_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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+ |
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+#include <sysdeps/powerpc/powerpc64/power7/memcpy.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S |
|
new file mode 100644 |
|
index 0000000..b828915 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S |
|
@@ -0,0 +1,41 @@ |
|
+/* Default memcpy implementation for PowerPC64. |
|
+ Copyright (C) 2013-2014 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> |
|
+ |
|
+#if defined SHARED && !defined NOT_IN_libc |
|
+# undef EALIGN |
|
+# define EALIGN(name, alignt, words) \ |
|
+ .section ".text"; \ |
|
+ ENTRY_2(__memcpy_ppc) \ |
|
+ .align ALIGNARG(alignt); \ |
|
+ EALIGN_W_##words; \ |
|
+ BODY_LABEL(__memcpy_ppc): \ |
|
+ cfi_startproc; |
|
+ |
|
+# undef END_GEN_TB |
|
+# define END_GEN_TB(name, mask) \ |
|
+ cfi_endproc; \ |
|
+ TRACEBACK_MASK(__memcpy_ppc,mask) \ |
|
+ END_2(__memcpy_ppc) |
|
+ |
|
+# undef libc_hidden_builtin_def |
|
+# define libc_hidden_builtin_def(name) |
|
+#endif |
|
+ |
|
+#include <sysdeps/powerpc/powerpc64/memcpy.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy.c |
|
new file mode 100644 |
|
index 0000000..305e963 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy.c |
|
@@ -0,0 +1,55 @@ |
|
+/* Multiple versions of memcpy. PowerPC64 version. |
|
+ Copyright (C) 2013-2014 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/>. */ |
|
+ |
|
+/* Define multiple versions only for the definition in lib and for |
|
+ DSO. In static binaries we need memcpy before the initialization |
|
+ happened. */ |
|
+#if defined SHARED && !defined NOT_IN_libc |
|
+/* Redefine memcpy so that the compiler won't complain about the type |
|
+ mismatch with the IFUNC selector in strong_alias, below. */ |
|
+# undef memcpy |
|
+# define memcpy __redirect_memcpy |
|
+# include <string.h> |
|
+# include "init-arch.h" |
|
+ |
|
+extern __typeof (__redirect_memcpy) __libc_memcpy; |
|
+ |
|
+extern __typeof (__redirect_memcpy) __memcpy_ppc attribute_hidden; |
|
+extern __typeof (__redirect_memcpy) __memcpy_power4 attribute_hidden; |
|
+extern __typeof (__redirect_memcpy) __memcpy_cell attribute_hidden; |
|
+extern __typeof (__redirect_memcpy) __memcpy_power6 attribute_hidden; |
|
+extern __typeof (__redirect_memcpy) __memcpy_a2 attribute_hidden; |
|
+extern __typeof (__redirect_memcpy) __memcpy_power7 attribute_hidden; |
|
+ |
|
+libc_ifunc (__libc_memcpy, |
|
+ (hwcap & PPC_FEATURE_HAS_VSX) |
|
+ ? __memcpy_power7 : |
|
+ (hwcap & PPC_FEATURE_ARCH_2_06) |
|
+ ? __memcpy_a2 : |
|
+ (hwcap & PPC_FEATURE_ARCH_2_05) |
|
+ ? __memcpy_power6 : |
|
+ (hwcap & PPC_FEATURE_CELL_BE) |
|
+ ? __memcpy_cell : |
|
+ (hwcap & PPC_FEATURE_POWER4) |
|
+ ? __memcpy_power4 |
|
+ : __memcpy_ppc); |
|
+ |
|
+#undef memcpy |
|
+strong_alias (__libc_memcpy, memcpy); |
|
+libc_hidden_ver (__libc_memcpy, memcpy); |
|
+#endif |
|
-- |
|
1.8.3.1 |
|
|
|
|