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commit 25654a8c74dce51e162c29749c6bd6d2a67490e6
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Author: Stefan Liebler <stli@linux.ibm.com>
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Date: Tue Dec 18 13:57:25 2018 +0100
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S390: Refactor wmemcmp ifunc handling.
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d8307d |
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The ifunc handling for wmemcmp is adjusted in order to omit ifunc
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variants if those will never be used as the minimum architecture level
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already supports newer CPUs by default.
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ChangeLog:
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* sysdeps/s390/multiarch/Makefile
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(sysdep_routines): Remove wmemcmp variants.
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* sysdeps/s390/Makefile (sysdep_routines): Add wmemcmp variants.
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* sysdeps/s390/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Refactor ifunc handling for wmemcmp.
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* sysdeps/s390/multiarch/wmemcmp-c.c: Move to ...
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* sysdeps/s390/wmemcmp-c.c: ... here and adjust ifunc handling.
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* sysdeps/s390/multiarch/wmemcmp-vx.S: Move to ...
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* sysdeps/s390/wmemcmp-vx.S: ... here and adjust ifunc handling.
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* sysdeps/s390/multiarch/wmemcmp.c: Move to ...
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* sysdeps/s390/wmemcmp.c: ... here and adjust ifunc handling.
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* sysdeps/s390/ifunc-wmemcmp.h: New file.
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diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
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index f9a71276331b396a..3f7de6613c343819 100644
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--- a/sysdeps/s390/Makefile
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+++ b/sysdeps/s390/Makefile
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@@ -77,5 +77,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \
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wcspbrk wcspbrk-vx wcspbrk-c \
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wcscspn wcscspn-vx wcscspn-c \
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wmemchr wmemchr-vx wmemchr-c \
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- wmemset wmemset-vx wmemset-c
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+ wmemset wmemset-vx wmemset-c \
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+ wmemcmp wmemcmp-vx wmemcmp-c
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endif
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diff --git a/sysdeps/s390/ifunc-wmemcmp.h b/sysdeps/s390/ifunc-wmemcmp.h
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new file mode 100644
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index 0000000000000000..1b38a014590ec060
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--- /dev/null
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+++ b/sysdeps/s390/ifunc-wmemcmp.h
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@@ -0,0 +1,52 @@
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+/* wmemcmp variant information on S/390 version.
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+ Copyright (C) 2018 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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+#if defined USE_MULTIARCH && IS_IN (libc) \
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+ && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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+# define HAVE_WMEMCMP_IFUNC 1
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+#else
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+# define HAVE_WMEMCMP_IFUNC 0
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+#endif
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+
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+#ifdef HAVE_S390_VX_ASM_SUPPORT
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+# define HAVE_WMEMCMP_IFUNC_AND_VX_SUPPORT HAVE_WMEMCMP_IFUNC
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+#else
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+# define HAVE_WMEMCMP_IFUNC_AND_VX_SUPPORT 0
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+#endif
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+
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+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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+# define WMEMCMP_DEFAULT WMEMCMP_Z13
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+# define HAVE_WMEMCMP_C 0
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+# define HAVE_WMEMCMP_Z13 1
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+#else
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+# define WMEMCMP_DEFAULT WMEMCMP_C
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+# define HAVE_WMEMCMP_C 1
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+# define HAVE_WMEMCMP_Z13 HAVE_WMEMCMP_IFUNC_AND_VX_SUPPORT
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+#endif
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+
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+#if HAVE_WMEMCMP_C
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+# define WMEMCMP_C __wmemcmp_c
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+#else
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+# define WMEMCMP_C NULL
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+#endif
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+
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d8307d |
+#if HAVE_WMEMCMP_Z13
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# define WMEMCMP_Z13 __wmemcmp_vx
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#else
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# define WMEMCMP_Z13 NULL
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
index cc6dd7adb10ee8ad..fec36153047e4585 100644
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
--- a/sysdeps/s390/multiarch/Makefile
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+++ b/sysdeps/s390/multiarch/Makefile
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
@@ -1,7 +1,3 @@
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d8307d |
-ifeq ($(subdir),wcsmbs)
|
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d8307d |
-sysdep_routines += wmemcmp wmemcmp-vx wmemcmp-c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-endif
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d8307d |
-
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d8307d |
ifeq ($(subdir),iconvdata)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
override define generate-8bit-table
|
|
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d8307d |
$(make-target-directory)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
index 7040959269c1612b..177c5fd6fe269d9b 100644
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
@@ -64,6 +64,7 @@
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d8307d |
#include <ifunc-wcscspn.h>
|
|
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d8307d |
#include <ifunc-wmemchr.h>
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
#include <ifunc-wmemset.h>
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#include <ifunc-wmemcmp.h>
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
/* Maximum number of IFUNC implementations. */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
#define MAX_IFUNC 3
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
@@ -658,17 +659,17 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
#endif /* HAVE_WMEMSET_IFUNC */
|
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d8307d |
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-#ifdef HAVE_S390_VX_ASM_SUPPORT
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-# define IFUNC_VX_IMPL(FUNC) \
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
- IFUNC_IMPL (i, name, FUNC, \
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
- IFUNC_IMPL_ADD (array, i, FUNC, dl_hwcap & HWCAP_S390_VX, \
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
- __##FUNC##_vx) \
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
- IFUNC_IMPL_ADD (array, i, FUNC, 1, __##FUNC##_c))
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
- IFUNC_VX_IMPL (wmemcmp);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-#endif /* HAVE_S390_VX_ASM_SUPPORT */
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#if HAVE_WMEMCMP_IFUNC
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ IFUNC_IMPL (i, name, wmemcmp,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# if HAVE_WMEMCMP_Z13
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ IFUNC_IMPL_ADD (array, i, wmemcmp,
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ dl_hwcap & HWCAP_S390_VX, WMEMCMP_Z13)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# endif
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# if HAVE_WMEMCMP_C
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ IFUNC_IMPL_ADD (array, i, wmemcmp, 1, WMEMCMP_C)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# endif
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ )
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#endif /* HAVE_WMEMCMP_IFUNC */
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
return i;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
diff --git a/sysdeps/s390/multiarch/wmemcmp-c.c b/sysdeps/s390/wmemcmp-c.c
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
similarity index 85%
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
rename from sysdeps/s390/multiarch/wmemcmp-c.c
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
rename to sysdeps/s390/wmemcmp-c.c
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
index 2fd39d501360e6f8..0c73636adda82f8b 100644
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
--- a/sysdeps/s390/multiarch/wmemcmp-c.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+++ b/sysdeps/s390/wmemcmp-c.c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
@@ -16,11 +16,12 @@
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
License along with the GNU C Library; if not, see
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
<http://www.gnu.org/licenses/>. */
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-# define WMEMCMP __wmemcmp_c
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#include <ifunc-wmemcmp.h>
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-# include <wchar.h>
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
-extern __typeof (wmemcmp) __wmemcmp_c;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+#if HAVE_WMEMCMP_C
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# if HAVE_WMEMCMP_IFUNC
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# define WMEMCMP WMEMCMP_C
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+# endif
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
# include <wcsmbs/wmemcmp.c>
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
#endif
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
diff --git a/sysdeps/s390/multiarch/wmemcmp-vx.S b/sysdeps/s390/wmemcmp-vx.S
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
similarity index 95%
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
rename from sysdeps/s390/multiarch/wmemcmp-vx.S
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
rename to sysdeps/s390/wmemcmp-vx.S
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
index e2fc21e4192b0dd8..87ae21b4f13c5d69 100644
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
--- a/sysdeps/s390/multiarch/wmemcmp-vx.S
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+++ b/sysdeps/s390/wmemcmp-vx.S
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
@@ -16,7 +16,8 @@
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d8307d |
License along with the GNU C Library; if not, see
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d8307d |
<http://www.gnu.org/licenses/>. */
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d8307d |
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d8307d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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d8307d |
+#include <ifunc-wmemcmp.h>
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d8307d |
+#if HAVE_WMEMCMP_Z13
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d8307d |
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d8307d |
# include "sysdep.h"
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d8307d |
# include "asm-syntax.h"
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d8307d |
@@ -37,7 +38,7 @@
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d8307d |
-v17=part of s2
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d8307d |
-v18=index of unequal
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d8307d |
*/
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d8307d |
-ENTRY(__wmemcmp_vx)
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d8307d |
+ENTRY(WMEMCMP_Z13)
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d8307d |
.machine "z13"
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d8307d |
.machinemode "zarch_nohighgprs"
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d8307d |
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d8307d |
@@ -145,5 +146,9 @@ ENTRY(__wmemcmp_vx)
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d8307d |
la %r2,0(%r5,%r2)
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la %r3,0(%r5,%r3)
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d8307d |
j .Lremaining
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d8307d |
-END(__wmemcmp_vx)
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d8307d |
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
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d8307d |
+END(WMEMCMP_Z13)
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+
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d8307d |
+# if ! HAVE_WMEMCMP_IFUNC
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d8307d |
+strong_alias (WMEMCMP_Z13, wmemcmp)
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d8307d |
+# endif
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d8307d |
+#endif
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diff --git a/sysdeps/s390/multiarch/wmemcmp.c b/sysdeps/s390/wmemcmp.c
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d8307d |
similarity index 69%
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d8307d |
rename from sysdeps/s390/multiarch/wmemcmp.c
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d8307d |
rename to sysdeps/s390/wmemcmp.c
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index a4cb440c452fd6a9..6c8ca5f0e8ffdb50 100644
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--- a/sysdeps/s390/multiarch/wmemcmp.c
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d8307d |
+++ b/sysdeps/s390/wmemcmp.c
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d8307d |
@@ -16,12 +16,23 @@
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d8307d |
License along with the GNU C Library; if not, see
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d8307d |
<http://www.gnu.org/licenses/>. */
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d8307d |
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d8307d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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d8307d |
+#include <ifunc-wmemcmp.h>
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+
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d8307d |
+#if HAVE_WMEMCMP_IFUNC
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# include <wchar.h>
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# include <ifunc-resolve.h>
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-s390_vx_libc_ifunc2 (__wmemcmp, wmemcmp)
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d8307d |
+# if HAVE_WMEMCMP_C
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+extern __typeof (wmemcmp) WMEMCMP_C attribute_hidden;
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+# endif
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+
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d8307d |
+# if HAVE_WMEMCMP_Z13
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+extern __typeof (wmemcmp) WMEMCMP_Z13 attribute_hidden;
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d8307d |
+# endif
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d8307d |
-#else
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d8307d |
-# include <wcsmbs/wmemcmp.c>
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-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
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d8307d |
+s390_libc_ifunc_expr (wmemcmp, wmemcmp,
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+ (HAVE_WMEMCMP_Z13 && (hwcap & HWCAP_S390_VX))
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d8307d |
+ ? WMEMCMP_Z13
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
d8307d |
+ : WMEMCMP_DEFAULT
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d8307d |
+ )
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d8307d |
+#endif
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