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538 lines
22 KiB
538 lines
22 KiB
7 years ago
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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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|
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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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|
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|
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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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|
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+ modify it under the terms of the GNU Lesser General Public
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|
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+ License as published by the Free Software Foundation; either
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|
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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
|
||
|
|
+ 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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+
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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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|
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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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|
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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
|
||
|
|
+ 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_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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|
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+#undef END_GEN_TB
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|
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+#define END_GEN_TB(name, mask) \
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|
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+ cfi_endproc; \
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||
|
|
+ TRACEBACK_MASK(__memcpy_a2,mask) \
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|
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+ END_2(__memcpy_a2)
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+
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||
|
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+#undef libc_hidden_builtin_def
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|
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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
|
||
|
|
new file mode 100644
|
||
|
|
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 @@
|
||
|
|
+/* Optimized memcpy implementation for PowerPC/CELL.
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||
|
|
+ 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/>. */
|
||
|
|
+
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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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|
+
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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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|
+
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|
|
+#undef libc_hidden_builtin_def
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||
|
|
+#define libc_hidden_builtin_def(name)
|
||
|
|
+
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||
|
|
+#include <sysdeps/powerpc/powerpc64/cell/memcpy.S>
|
||
|
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S
|
||
|
|
new file mode 100644
|
||
|
|
index 0000000..eb01d67
|
||
|
|
--- /dev/null
|
||
|
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power4.S
|
||
|
|
@@ -0,0 +1,39 @@
|
||
|
|
+/* Optimized memcpy implementation for PowerPC64/POWER4.
|
||
|
|
+ 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>
|
||
|
|
+
|
||
|
|
+#undef EALIGN
|
||
|
|
+#define EALIGN(name, alignt, words) \
|
||
|
|
+ .section ".text"; \
|
||
|
|
+ ENTRY_2(__memcpy_power4) \
|
||
|
|
+ .align ALIGNARG(alignt); \
|
||
|
|
+ EALIGN_W_##words; \
|
||
|
|
+ BODY_LABEL(__memcpy_power4): \
|
||
|
|
+ cfi_startproc;
|
||
|
|
+
|
||
|
|
+#undef END_GEN_TB
|
||
|
|
+#define END_GEN_TB(name, mask) \
|
||
|
|
+ cfi_endproc; \
|
||
|
|
+ TRACEBACK_MASK(__memcpy_power4,mask) \
|
||
|
|
+ END_2(__memcpy_power4)
|
||
|
|
+
|
||
|
|
+#undef libc_hidden_builtin_def
|
||
|
|
+#define libc_hidden_builtin_def(name)
|
||
|
|
+
|
||
|
|
+#include <sysdeps/powerpc/powerpc64/power4/memcpy.S>
|
||
|
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S
|
||
|
|
new file mode 100644
|
||
|
|
index 0000000..13b514d
|
||
|
|
--- /dev/null
|
||
|
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power6.S
|
||
|
|
@@ -0,0 +1,39 @@
|
||
|
|
+/* Optimized memcpy implementation for PowerPC/POWER6.
|
||
|
|
+ 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>
|
||
|
|
+
|
||
|
|
+#undef EALIGN
|
||
|
|
+#define EALIGN(name, alignt, words) \
|
||
|
|
+ .section ".text"; \
|
||
|
|
+ ENTRY_2(__memcpy_power6) \
|
||
|
|
+ .align ALIGNARG(alignt); \
|
||
|
|
+ EALIGN_W_##words; \
|
||
|
|
+ BODY_LABEL(__memcpy_power6): \
|
||
|
|
+ cfi_startproc;
|
||
|
|
+
|
||
|
|
+#undef END_GEN_TB
|
||
|
|
+#define END_GEN_TB(name, mask) \
|
||
|
|
+ cfi_endproc; \
|
||
|
|
+ TRACEBACK_MASK(__memcpy_power6,mask) \
|
||
|
|
+ END_2(__memcpy_power6)
|
||
|
|
+
|
||
|
|
+#undef libc_hidden_builtin_def
|
||
|
|
+#define libc_hidden_builtin_def(name)
|
||
|
|
+
|
||
|
|
+#include <sysdeps/powerpc/powerpc64/power6/memcpy.S>
|
||
|
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S
|
||
|
|
new file mode 100644
|
||
|
|
index 0000000..2aea73d
|
||
|
|
--- /dev/null
|
||
|
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memcpy-power7.S
|
||
|
|
@@ -0,0 +1,39 @@
|
||
|
|
+/* Optimized memcpy implementation for PowerPC/POWER7.
|
||
|
|
+ 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>
|
||
|
|
+
|
||
|
|
+#undef EALIGN
|
||
|
|
+#define EALIGN(name, alignt, words) \
|
||
|
|
+ .section ".text"; \
|
||
|
|
+ ENTRY_2(__memcpy_power7) \
|
||
|
|
+ .align ALIGNARG(alignt); \
|
||
|
|
+ EALIGN_W_##words; \
|
||
|
|
+ BODY_LABEL(__memcpy_power7): \
|
||
|
|
+ cfi_startproc;
|
||
|
|
+
|
||
|
|
+#undef END_GEN_TB
|
||
|
|
+#define END_GEN_TB(name, mask) \
|
||
|
|
+ cfi_endproc; \
|
||
|
|
+ TRACEBACK_MASK(__memcpy_power7,mask) \
|
||
|
|
+ END_2(__memcpy_power7)
|
||
|
|
+
|
||
|
|
+#undef libc_hidden_builtin_def
|
||
|
|
+#define libc_hidden_builtin_def(name)
|
||
|
|
+
|
||
|
|
+#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
|