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578 lines
24 KiB
578 lines
24 KiB
From 3cd86ba149cd650c338332dddb63e16f95041daf 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 05:10:37 -0500 |
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Subject: [PATCH] PowerPC: multiarch memset/bzero for PowerPC64 |
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commit 8a29a3d00b5d8ce33fc291baecfd59d715190fd1 |
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
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Date: Fri Dec 13 14:33:16 2013 -0500 |
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|
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--- |
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sysdeps/powerpc/powerpc64/memset.S | 2 + |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- |
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sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S | 26 ++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S | 26 ++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S | 26 ++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/bzero.c | 40 ++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 20 ++++++++ |
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.../powerpc/powerpc64/multiarch/memset-power4.S | 40 ++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/memset-power6.S | 40 ++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/memset-power7.S | 40 ++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S | 55 ++++++++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/memset.c | 50 ++++++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c | 18 +++++++ |
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sysdeps/powerpc/powerpc64/power4/memset.S | 2 + |
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sysdeps/powerpc/powerpc64/power6/memset.S | 2 + |
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sysdeps/powerpc/powerpc64/power7/memset.S | 2 + |
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16 files changed, 391 insertions(+), 1 deletion(-) |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/bzero.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power4.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power6.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/memset.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S |
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index d02af98..fd5d4e5 100644 |
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--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/memset.S |
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@@ -265,6 +265,7 @@ L(medium_28t): |
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END_GEN_TB (BP_SYM (memset),TB_TOCLESS) |
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libc_hidden_builtin_def (memset) |
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|
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+#ifndef NO_BZERO_IMPL |
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/* Copied from bzero.S to prevent the linker from inserting a stub |
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between bzero and memset. */ |
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ENTRY (BP_SYM (__bzero)) |
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@@ -284,3 +285,4 @@ ENTRY (BP_SYM (__bzero)) |
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END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS) |
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|
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weak_alias (BP_SYM (__bzero), BP_SYM (bzero)) |
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+#endif |
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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 c0bc520..424d2cd 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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@@ -1,5 +1,6 @@ |
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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 memcmp-power7 memcmp-power4 \ |
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- memcmp-ppc64 |
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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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endif |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S |
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new file mode 100644 |
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index 0000000..72b75ac |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power4.S |
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@@ -0,0 +1,26 @@ |
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+/* Optimized bzero 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 |
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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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+ENTRY (__bzero_power4) |
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+ CALL_MCOUNT 3 |
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+ mr r5,r4 |
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+ li r4,0 |
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+ b __memset_power4 |
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+END_GEN_TB (__bzero_power4,TB_TOCLESS) |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S |
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new file mode 100644 |
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index 0000000..d0917c5 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power6.S |
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@@ -0,0 +1,26 @@ |
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+/* Optimized bzero implementation for PowerPC64/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 |
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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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+ENTRY (__bzero_power6) |
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+ CALL_MCOUNT 3 |
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+ mr r5,r4 |
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+ li r4,0 |
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+ b __memset_power6 |
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+END_GEN_TB (__bzero_power6,TB_TOCLESS) |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S |
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new file mode 100644 |
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index 0000000..0ec285a |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero-power7.S |
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@@ -0,0 +1,26 @@ |
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+/* Optimized bzero implementation for PowerPC64/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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+ENTRY (__bzero_power7) |
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+ CALL_MCOUNT 3 |
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+ mr r5,r4 |
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+ li r4,0 |
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+ b __memset_power7 |
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+END_GEN_TB (__bzero_power7,TB_TOCLESS) |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c |
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new file mode 100644 |
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index 0000000..ed83541 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/bzero.c |
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@@ -0,0 +1,40 @@ |
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+/* Multiple versions of bzero. PowerPC64 version. |
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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 multiple versions only for definition in libc. */ |
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+#ifndef NOT_IN_libc |
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+# include <string.h> |
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+# include <strings.h> |
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+# include "init-arch.h" |
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+ |
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+extern __typeof (bzero) __bzero_ppc attribute_hidden; |
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+extern __typeof (bzero) __bzero_power4 attribute_hidden; |
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+extern __typeof (bzero) __bzero_power6 attribute_hidden; |
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+extern __typeof (bzero) __bzero_power7 attribute_hidden; |
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+ |
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+libc_ifunc (__bzero, |
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+ (hwcap & PPC_FEATURE_HAS_VSX) |
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+ ? __bzero_power7 : |
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+ (hwcap & PPC_FEATURE_ARCH_2_05) |
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+ ? __bzero_power6 : |
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+ (hwcap & PPC_FEATURE_POWER4) |
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+ ? __bzero_power4 |
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+ : __bzero_ppc); |
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+ |
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+weak_alias (__bzero, bzero) |
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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 295ebca..11e7063 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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@@ -60,6 +60,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
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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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+ |
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/memset.c. */ |
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+ IFUNC_IMPL (i, name, memset, |
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX, |
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+ __memset_power7) |
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05, |
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+ __memset_power6) |
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+ IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4, |
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+ __memset_power4) |
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+ IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc)) |
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#endif |
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|
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ |
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@@ -70,5 +80,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
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__memcmp_power4) |
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc)) |
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|
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c. */ |
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+ IFUNC_IMPL (i, name, bzero, |
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX, |
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+ __bzero_power7) |
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05, |
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+ __bzero_power6) |
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+ IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4, |
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+ __bzero_power4) |
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+ IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_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/memset-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S |
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new file mode 100644 |
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index 0000000..9074b95 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power4.S |
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@@ -0,0 +1,40 @@ |
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+/* Optimized memset 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 |
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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(__memset_power4) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memset_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(__memset_power4,mask) \ |
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+ END_2(__memset_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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+#define NO_BZERO_IMPL |
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+#include <sysdeps/powerpc/powerpc64/power4/memset.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S |
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new file mode 100644 |
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index 0000000..70688b5 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power6.S |
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@@ -0,0 +1,40 @@ |
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+/* Optimized memset implementation for PowerPC64/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 |
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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 |
|
+ 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(__memset_power6) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memset_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(__memset_power6,mask) \ |
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+ END_2(__memset_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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+#define NO_BZERO_IMPL |
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+#include <sysdeps/powerpc/powerpc64/power6/memset.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S |
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new file mode 100644 |
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index 0000000..ab226c5 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-power7.S |
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@@ -0,0 +1,40 @@ |
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+/* Optimized memset implementation for PowerPC64/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. |
|
+ |
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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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+ 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(__memset_power7) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__memset_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(__memset_power7,mask) \ |
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+ END_2(__memset_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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+#define NO_BZERO_IMPL |
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+#include <sysdeps/powerpc/powerpc64/power7/memset.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S |
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new file mode 100644 |
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index 0000000..dc5549c |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S |
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@@ -0,0 +1,55 @@ |
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+/* Default memset/bzero implementation for PowerPC64. |
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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/>. */ |
|
+ |
|
+#include <sysdep.h> |
|
+ |
|
+/* Copied from bzero.S to prevent the linker from inserting a stub |
|
+ between bzero and memset. NOTE: this code should be positioned |
|
+ before ENTRY/END_GEN_TB redefinition. */ |
|
+ENTRY (__bzero_ppc) |
|
+ CALL_MCOUNT 3 |
|
+ mr r5,r4 |
|
+ li r4,0 |
|
+ b L(_memset) |
|
+END_GEN_TB (__bzero_ppc,TB_TOCLESS) |
|
+ |
|
+ |
|
+#if defined SHARED && !defined NOT_IN_libc |
|
+# undef EALIGN |
|
+# define EALIGN(name, alignt, words) \ |
|
+ .section ".text"; \ |
|
+ ENTRY_2(__memset_ppc) \ |
|
+ .align ALIGNARG(alignt); \ |
|
+ EALIGN_W_##words; \ |
|
+ BODY_LABEL(__memset_ppc): \ |
|
+ cfi_startproc; |
|
+ |
|
+# undef END_GEN_TB |
|
+# define END_GEN_TB(name, mask) \ |
|
+ cfi_endproc; \ |
|
+ TRACEBACK_MASK(__memset_ppc,mask) \ |
|
+ END_2(__memset_ppc) |
|
+ |
|
+# undef libc_hidden_builtin_def |
|
+# define libc_hidden_builtin_def(name) |
|
+#endif |
|
+ |
|
+/* Do not implement __bzero at powerpc64/memset.S. */ |
|
+#define NO_BZERO_IMPL |
|
+ |
|
+#include <sysdeps/powerpc/powerpc64/memset.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c |
|
new file mode 100644 |
|
index 0000000..aa2ae70 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/memset.c |
|
@@ -0,0 +1,50 @@ |
|
+/* Multiple versions of memset. |
|
+ 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 definition in libc. */ |
|
+#if defined SHARED && !defined NOT_IN_libc |
|
+/* Redefine memset so that the compiler won't complain about the type |
|
+ mismatch with the IFUNC selector in strong_alias, below. */ |
|
+# undef memset |
|
+# define memset __redirect_memset |
|
+# include <string.h> |
|
+# include <shlib-compat.h> |
|
+# include "init-arch.h" |
|
+ |
|
+extern __typeof (__redirect_memset) __libc_memset; |
|
+ |
|
+extern __typeof (__redirect_memset) __memset_ppc attribute_hidden; |
|
+extern __typeof (__redirect_memset) __memset_power4 attribute_hidden; |
|
+extern __typeof (__redirect_memset) __memset_power6 attribute_hidden; |
|
+extern __typeof (__redirect_memset) __memset_power7 attribute_hidden; |
|
+ |
|
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
|
+ ifunc symbol properly. */ |
|
+libc_ifunc (__libc_memset, |
|
+ (hwcap & PPC_FEATURE_HAS_VSX) |
|
+ ? __memset_power7 : |
|
+ (hwcap & PPC_FEATURE_ARCH_2_05) |
|
+ ? __memset_power6 : |
|
+ (hwcap & PPC_FEATURE_POWER4) |
|
+ ? __memset_power4 |
|
+ : __memset_ppc); |
|
+ |
|
+#undef memset |
|
+strong_alias (__libc_memset, memset); |
|
+libc_hidden_ver (__libc_memset, memset); |
|
+#endif |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c |
|
new file mode 100644 |
|
index 0000000..8eac85b |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/rtld-memset.c |
|
@@ -0,0 +1,18 @@ |
|
+/* 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 <sysdeps/powerpc/powerpc64/rtld-memset.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S |
|
index c86a68a..c077ae7 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/memset.S |
|
@@ -253,6 +253,7 @@ L(medium_28t): |
|
END_GEN_TB (BP_SYM (memset),TB_TOCLESS) |
|
libc_hidden_builtin_def (memset) |
|
|
|
+#ifndef NO_BZERO_IMPL |
|
/* Copied from bzero.S to prevent the linker from inserting a stub |
|
between bzero and memset. */ |
|
ENTRY (BP_SYM (__bzero)) |
|
@@ -272,3 +273,4 @@ ENTRY (BP_SYM (__bzero)) |
|
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS) |
|
|
|
weak_alias (BP_SYM (__bzero), BP_SYM (bzero)) |
|
+#endif |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S |
|
index 930ecce..967642a3 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/memset.S |
|
@@ -397,6 +397,7 @@ L(medium_28t): |
|
END_GEN_TB (BP_SYM (memset),TB_TOCLESS) |
|
libc_hidden_builtin_def (memset) |
|
|
|
+#ifndef NO_BZERO_IMPL |
|
/* Copied from bzero.S to prevent the linker from inserting a stub |
|
between bzero and memset. */ |
|
ENTRY (BP_SYM (__bzero)) |
|
@@ -416,3 +417,4 @@ ENTRY (BP_SYM (__bzero)) |
|
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS) |
|
|
|
weak_alias (BP_SYM (__bzero), BP_SYM (bzero)) |
|
+#endif |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S |
|
index 5970fbe..2716656 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power7/memset.S |
|
@@ -385,6 +385,7 @@ L(small): |
|
END_GEN_TB (BP_SYM (memset),TB_TOCLESS) |
|
libc_hidden_builtin_def (memset) |
|
|
|
+#ifndef NO_BZERO_IMPL |
|
/* Copied from bzero.S to prevent the linker from inserting a stub |
|
between bzero and memset. */ |
|
ENTRY (BP_SYM (__bzero)) |
|
@@ -395,3 +396,4 @@ ENTRY (BP_SYM (__bzero)) |
|
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS) |
|
|
|
weak_alias (BP_SYM (__bzero), BP_SYM (bzero)) |
|
+#endif |
|
-- |
|
1.8.3.1
|
|
|