You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
236 lines
9.7 KiB
236 lines
9.7 KiB
From fda2d6aca32ad6a4d546ab3a7dd708de78e18c3a Mon Sep 17 00:00:00 2001 |
|
From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> |
|
Date: Wed, 30 Jul 2014 05:49:36 -0500 |
|
Subject: [PATCH] PowerPC: multiarch strncmp for PowerPC64 |
|
|
|
commit 24c2c3b99699b7cb7cc3c251d9bd504b2cde6a45 |
|
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
|
Date: Fri Dec 13 14:48:48 2013 -0500 |
|
--- |
|
sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- |
|
.../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 9 +++++ |
|
.../powerpc/powerpc64/multiarch/strncmp-power4.S | 38 ++++++++++++++++++++ |
|
.../powerpc/powerpc64/multiarch/strncmp-power7.S | 39 ++++++++++++++++++++ |
|
.../powerpc/powerpc64/multiarch/strncmp-ppc64.S | 41 ++++++++++++++++++++++ |
|
sysdeps/powerpc/powerpc64/multiarch/strncmp.c | 37 +++++++++++++++++++ |
|
6 files changed, 166 insertions(+), 1 deletion(-) |
|
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
|
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
|
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
|
create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
|
|
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
index 4dca756..22baf1c 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
@@ -7,7 +7,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ |
|
memrchr-power7 memrchr-ppc64 rawmemchr-power7 \ |
|
rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \ |
|
strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \ |
|
- strncase-power7 strncase_l-power7 |
|
+ strncase-power7 strncase_l-power7 strncmp-power7 \ |
|
+ strncmp-power4 strncmp-ppc64 |
|
|
|
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops |
|
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops |
|
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 |
|
index 4b8fb22..67f75a5 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c |
|
@@ -77,6 +77,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
|
__strlen_power7) |
|
IFUNC_IMPL_ADD (array, i, strlen, 1, |
|
__strlen_ppc)) |
|
+ |
|
+ /* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c. */ |
|
+ IFUNC_IMPL (i, name, strncmp, |
|
+ IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX, |
|
+ __strncmp_power7) |
|
+ IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4, |
|
+ __strncmp_power4) |
|
+ IFUNC_IMPL_ADD (array, i, strncmp, 1, |
|
+ __strncmp_ppc)) |
|
#endif |
|
|
|
/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
|
new file mode 100644 |
|
index 0000000..62cebbc |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S |
|
@@ -0,0 +1,38 @@ |
|
+/* 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(__strncmp_power4) \ |
|
+ .align ALIGNARG(alignt); \ |
|
+ EALIGN_W_##words; \ |
|
+ BODY_LABEL(__strncmp_power4): \ |
|
+ cfi_startproc; |
|
+ |
|
+#undef END |
|
+#define END(name) \ |
|
+ cfi_endproc; \ |
|
+ TRACEBACK(__strncmp_power4) \ |
|
+ END_2(__strncmp_power4) |
|
+ |
|
+#undef libc_hidden_builtin_def |
|
+#define libc_hidden_builtin_def(name) |
|
+ |
|
+#include <sysdeps/powerpc/powerpc64/power4/strncmp.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
|
new file mode 100644 |
|
index 0000000..b0d607a |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S |
|
@@ -0,0 +1,39 @@ |
|
+/* 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(__strncmp_power7) \ |
|
+ .align ALIGNARG(alignt); \ |
|
+ EALIGN_W_##words; \ |
|
+ BODY_LABEL(__strncmp_power7): \ |
|
+ cfi_startproc; |
|
+ |
|
+#undef END |
|
+#define END(name) \ |
|
+ cfi_endproc; \ |
|
+ TRACEBACK(__strncmp_power7) \ |
|
+ END_2(__strncmp_power7) |
|
+ |
|
+ |
|
+#undef libc_hidden_builtin_def |
|
+#define libc_hidden_builtin_def(name) |
|
+ |
|
+#include <sysdeps/powerpc/powerpc64/power7/strncmp.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
|
new file mode 100644 |
|
index 0000000..25b7f26 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S |
|
@@ -0,0 +1,41 @@ |
|
+/* 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(__strncmp_ppc) \ |
|
+ .align ALIGNARG(alignt); \ |
|
+ EALIGN_W_##words; \ |
|
+ BODY_LABEL(__strncmp_ppc): \ |
|
+ cfi_startproc; |
|
+ |
|
+#undef END |
|
+#define END(name) \ |
|
+ cfi_endproc; \ |
|
+ TRACEBACK(__strncmp_ppc) \ |
|
+ END_2(__strncmp_ppc) |
|
+ |
|
+# undef libc_hidden_builtin_def |
|
+# define libc_hidden_builtin_def(name) \ |
|
+ .globl __GI_strncmp; __GI_strncmp = __strncmp_ppc |
|
+#endif |
|
+ |
|
+#include <sysdeps/powerpc/powerpc64/strncmp.S> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
|
new file mode 100644 |
|
index 0000000..9829d69 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/strncmp.c |
|
@@ -0,0 +1,37 @@ |
|
+/* Multiple versions of strncmp. |
|
+ 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 |
|
+# include <string.h> |
|
+# include <shlib-compat.h> |
|
+# include "init-arch.h" |
|
+ |
|
+extern __typeof (strncmp) __strncmp_ppc attribute_hidden; |
|
+extern __typeof (strncmp) __strncmp_power4 attribute_hidden; |
|
+extern __typeof (strncmp) __strncmp_power7 attribute_hidden; |
|
+ |
|
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
|
+ ifunc symbol properly. */ |
|
+libc_ifunc (strncmp, |
|
+ (hwcap & PPC_FEATURE_HAS_VSX) |
|
+ ? __strncmp_power7 : |
|
+ (hwcap & PPC_FEATURE_POWER4) |
|
+ ? __strncmp_power4 |
|
+ : __strncmp_ppc); |
|
+#endif |
|
-- |
|
1.8.3.1
|
|
|