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237 lines
9.7 KiB
237 lines
9.7 KiB
From fda2d6aca32ad6a4d546ab3a7dd708de78e18c3a 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 05:49:36 -0500 |
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Subject: [PATCH] PowerPC: multiarch strncmp for PowerPC64 |
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commit 24c2c3b99699b7cb7cc3c251d9bd504b2cde6a45 |
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
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Date: Fri Dec 13 14:48:48 2013 -0500 |
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--- |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- |
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.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 9 +++++ |
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.../powerpc/powerpc64/multiarch/strncmp-power4.S | 38 ++++++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/strncmp-power7.S | 39 ++++++++++++++++++++ |
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.../powerpc/powerpc64/multiarch/strncmp-ppc64.S | 41 ++++++++++++++++++++++ |
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sysdeps/powerpc/powerpc64/multiarch/strncmp.c | 37 +++++++++++++++++++ |
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6 files changed, 166 insertions(+), 1 deletion(-) |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
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index 4dca756..22baf1c 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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@@ -7,7 +7,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ |
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memrchr-power7 memrchr-ppc64 rawmemchr-power7 \ |
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rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \ |
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strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \ |
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- strncase-power7 strncase_l-power7 |
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+ strncase-power7 strncase_l-power7 strncmp-power7 \ |
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+ strncmp-power4 strncmp-ppc64 |
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops |
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops |
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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 4b8fb22..67f75a5 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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@@ -77,6 +77,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
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__strlen_power7) |
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IFUNC_IMPL_ADD (array, i, strlen, 1, |
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__strlen_ppc)) |
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+ |
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+ /* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c. */ |
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+ IFUNC_IMPL (i, name, strncmp, |
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+ IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX, |
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+ __strncmp_power7) |
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+ IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4, |
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+ __strncmp_power4) |
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+ IFUNC_IMPL_ADD (array, i, strncmp, 1, |
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+ __strncmp_ppc)) |
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#endif |
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
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new file mode 100644 |
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index 0000000..62cebbc |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
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@@ -0,0 +1,38 @@ |
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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(__strncmp_power4) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__strncmp_power4): \ |
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+ cfi_startproc; |
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+ |
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+#undef END |
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+#define END(name) \ |
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+ cfi_endproc; \ |
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+ TRACEBACK(__strncmp_power4) \ |
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+ END_2(__strncmp_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/strncmp.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
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new file mode 100644 |
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index 0000000..b0d607a |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
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@@ -0,0 +1,39 @@ |
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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(__strncmp_power7) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__strncmp_power7): \ |
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+ cfi_startproc; |
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+ |
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+#undef END |
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+#define END(name) \ |
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+ cfi_endproc; \ |
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+ TRACEBACK(__strncmp_power7) \ |
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+ END_2(__strncmp_power7) |
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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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+ |
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+#include <sysdeps/powerpc/powerpc64/power7/strncmp.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
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new file mode 100644 |
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index 0000000..25b7f26 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
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@@ -0,0 +1,41 @@ |
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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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+#if defined SHARED && !defined NOT_IN_libc |
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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(__strncmp_ppc) \ |
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+ .align ALIGNARG(alignt); \ |
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+ EALIGN_W_##words; \ |
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+ BODY_LABEL(__strncmp_ppc): \ |
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+ cfi_startproc; |
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+ |
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+#undef END |
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+#define END(name) \ |
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+ cfi_endproc; \ |
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+ TRACEBACK(__strncmp_ppc) \ |
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+ END_2(__strncmp_ppc) |
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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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+ .globl __GI_strncmp; __GI_strncmp = __strncmp_ppc |
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+#endif |
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+ |
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+#include <sysdeps/powerpc/powerpc64/strncmp.S> |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
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new file mode 100644 |
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index 0000000..9829d69 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
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@@ -0,0 +1,37 @@ |
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+/* Multiple versions of strncmp. |
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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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+#if defined SHARED && !defined NOT_IN_libc |
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+# include <string.h> |
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+# include <shlib-compat.h> |
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+# include "init-arch.h" |
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+ |
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+extern __typeof (strncmp) __strncmp_ppc attribute_hidden; |
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+extern __typeof (strncmp) __strncmp_power4 attribute_hidden; |
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+extern __typeof (strncmp) __strncmp_power7 attribute_hidden; |
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+ |
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+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
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+ ifunc symbol properly. */ |
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+libc_ifunc (strncmp, |
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+ (hwcap & PPC_FEATURE_HAS_VSX) |
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+ ? __strncmp_power7 : |
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+ (hwcap & PPC_FEATURE_POWER4) |
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+ ? __strncmp_power4 |
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+ : __strncmp_ppc); |
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+#endif |
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-- |
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1.8.3.1 |
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