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-rw-r--r--ChangeLog15
-rw-r--r--sysdeps/s390/Makefile3
-rw-r--r--sysdeps/s390/ifunc-wcsncmp.h52
-rw-r--r--sysdeps/s390/multiarch/Makefile3
-rw-r--r--sysdeps/s390/multiarch/ifunc-impl-list.c15
-rw-r--r--sysdeps/s390/wcsncmp-c.c (renamed from sysdeps/s390/multiarch/wcsncmp-c.c)10
-rw-r--r--sysdeps/s390/wcsncmp-vx.S (renamed from sysdeps/s390/multiarch/wcsncmp-vx.S)13
-rw-r--r--sysdeps/s390/wcsncmp.c (renamed from sysdeps/s390/multiarch/wcsncmp.c)21
8 files changed, 114 insertions, 18 deletions
diff --git a/ChangeLog b/ChangeLog
index 792ee9e..1e5c084 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,21 @@
2018-12-18 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/multiarch/Makefile
+ (sysdep_routines): Remove wcsncmp variants.
+ * sysdeps/s390/Makefile (sysdep_routines): Add wcsncmp variants.
+ * sysdeps/s390/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Refactor ifunc handling for wcsncmp.
+ * sysdeps/s390/multiarch/wcsncmp-c.c: Move to ...
+ * sysdeps/s390/wcsncmp-c.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/wcsncmp-vx.S: Move to ...
+ * sysdeps/s390/wcsncmp-vx.S: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/wcsncmp.c: Move to ...
+ * sysdeps/s390/wcsncmp.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/ifunc-wcsncmp.h: New file.
+
+2018-12-18 Stefan Liebler <stli@linux.ibm.com>
+
+ * sysdeps/s390/multiarch/Makefile
(sysdep_routines): Remove wcscmp variants.
* sysdeps/s390/Makefile (sysdep_routines): Add wcscmp variants.
* sysdeps/s390/multiarch/ifunc-impl-list.c
diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
index 00398ba..e1253c0 100644
--- a/sysdeps/s390/Makefile
+++ b/sysdeps/s390/Makefile
@@ -91,5 +91,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \
wcpncpy wcpncpy-vx wcpncpy-c \
wcscat wcscat-vx wcscat-c \
wcsncat wcsncat-vx wcsncat-c \
- wcscmp wcscmp-vx wcscmp-c
+ wcscmp wcscmp-vx wcscmp-c \
+ wcsncmp wcsncmp-vx wcsncmp-c
endif
diff --git a/sysdeps/s390/ifunc-wcsncmp.h b/sysdeps/s390/ifunc-wcsncmp.h
new file mode 100644
index 0000000..3a22bc9
--- /dev/null
+++ b/sysdeps/s390/ifunc-wcsncmp.h
@@ -0,0 +1,52 @@
+/* wcsncmp variant information on S/390 version.
+ Copyright (C) 2018 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/>. */
+
+#if defined USE_MULTIARCH && IS_IN (libc) \
+ && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define HAVE_WCSNCMP_IFUNC 1
+#else
+# define HAVE_WCSNCMP_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_WCSNCMP_IFUNC_AND_VX_SUPPORT HAVE_WCSNCMP_IFUNC
+#else
+# define HAVE_WCSNCMP_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define WCSNCMP_DEFAULT WCSNCMP_Z13
+# define HAVE_WCSNCMP_C 0
+# define HAVE_WCSNCMP_Z13 1
+#else
+# define WCSNCMP_DEFAULT WCSNCMP_C
+# define HAVE_WCSNCMP_C 1
+# define HAVE_WCSNCMP_Z13 HAVE_WCSNCMP_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_WCSNCMP_C
+# define WCSNCMP_C __wcsncmp_c
+#else
+# define WCSNCMP_C NULL
+#endif
+
+#if HAVE_WCSNCMP_Z13
+# define WCSNCMP_Z13 __wcsncmp_vx
+#else
+# define WCSNCMP_Z13 NULL
+#endif
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
index 70162d0..d1740fa 100644
--- a/sysdeps/s390/multiarch/Makefile
+++ b/sysdeps/s390/multiarch/Makefile
@@ -1,6 +1,5 @@
ifeq ($(subdir),wcsmbs)
-sysdep_routines += wcsncmp wcsncmp-vx wcsncmp-c \
- wcschr wcschr-vx wcschr-c \
+sysdep_routines += wcschr wcschr-vx wcschr-c \
wcschrnul wcschrnul-vx wcschrnul-c \
wcsrchr wcsrchr-vx wcsrchr-c \
wcsspn wcsspn-vx wcsspn-c \
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index f461063..8c9e788 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -55,6 +55,7 @@
#include <ifunc-wcscat.h>
#include <ifunc-wcsncat.h>
#include <ifunc-wcscmp.h>
+#include <ifunc-wcsncmp.h>
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
@@ -541,6 +542,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
)
#endif /* HAVE_WCSCMP_IFUNC */
+#if HAVE_WCSNCMP_IFUNC
+ IFUNC_IMPL (i, name, wcsncmp,
+# if HAVE_WCSNCMP_Z13
+ IFUNC_IMPL_ADD (array, i, wcsncmp,
+ dl_hwcap & HWCAP_S390_VX, WCSNCMP_Z13)
+# endif
+# if HAVE_WCSNCMP_C
+ IFUNC_IMPL_ADD (array, i, wcsncmp, 1, WCSNCMP_C)
+# endif
+ )
+#endif /* HAVE_WCSNCMP_IFUNC */
+
#ifdef HAVE_S390_VX_ASM_SUPPORT
# define IFUNC_VX_IMPL(FUNC) \
@@ -549,8 +562,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
__##FUNC##_vx) \
IFUNC_IMPL_ADD (array, i, FUNC, 1, __##FUNC##_c))
- IFUNC_VX_IMPL (wcsncmp);
-
IFUNC_VX_IMPL (wcschr);
IFUNC_VX_IMPL (wcschrnul);
diff --git a/sysdeps/s390/multiarch/wcsncmp-c.c b/sysdeps/s390/wcsncmp-c.c
index 92ab5e8..a9ccb8d 100644
--- a/sysdeps/s390/multiarch/wcsncmp-c.c
+++ b/sysdeps/s390/wcsncmp-c.c
@@ -16,10 +16,12 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
-# define WCSNCMP __wcsncmp_c
+#include <ifunc-wcsncmp.h>
+
+#if HAVE_WCSNCMP_C
+# if HAVE_WCSNCMP_IFUNC
+# define WCSNCMP WCSNCMP_C
+# endif
-# include <wchar.h>
-extern __typeof (wcsncmp) __wcsncmp_c;
# include <wcsmbs/wcsncmp.c>
#endif
diff --git a/sysdeps/s390/multiarch/wcsncmp-vx.S b/sysdeps/s390/wcsncmp-vx.S
index 34c203b..9bdd21a 100644
--- a/sysdeps/s390/multiarch/wcsncmp-vx.S
+++ b/sysdeps/s390/wcsncmp-vx.S
@@ -16,7 +16,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+#include <ifunc-wcsncmp.h>
+#if HAVE_WCSNCMP_Z13
# include "sysdep.h"
# include "asm-syntax.h"
@@ -37,7 +38,7 @@
-v17=part of s2
-v18=index of unequal
*/
-ENTRY(__wcsncmp_vx)
+ENTRY(WCSNCMP_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
@@ -173,5 +174,9 @@ ENTRY(__wcsncmp_vx)
lghi %r1,-1
locgrl %r2,%r1
br %r14
-END(__wcsncmp_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(WCSNCMP_Z13)
+
+# if ! HAVE_WCSNCMP_IFUNC
+strong_alias (WCSNCMP_Z13, wcsncmp)
+# endif
+#endif
diff --git a/sysdeps/s390/multiarch/wcsncmp.c b/sysdeps/s390/wcsncmp.c
index ee5f08c..101db44 100644
--- a/sysdeps/s390/multiarch/wcsncmp.c
+++ b/sysdeps/s390/wcsncmp.c
@@ -16,12 +16,23 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+#include <ifunc-wcsncmp.h>
+
+#if HAVE_WCSNCMP_IFUNC
# include <wchar.h>
# include <ifunc-resolve.h>
-s390_vx_libc_ifunc2 (__wcsncmp, wcsncmp)
+# if HAVE_WCSNCMP_C
+extern __typeof (wcsncmp) WCSNCMP_C attribute_hidden;
+# endif
+
+# if HAVE_WCSNCMP_Z13
+extern __typeof (wcsncmp) WCSNCMP_Z13 attribute_hidden;
+# endif
-#else
-# include <wcsmbs/wcsncmp.c>
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+s390_libc_ifunc_expr (wcsncmp, wcsncmp,
+ (HAVE_WCSNCMP_Z13 && (hwcap & HWCAP_S390_VX))
+ ? WCSNCMP_Z13
+ : WCSNCMP_DEFAULT
+ )
+#endif
generated by cgit v1.1 at 2024-11-22 08:32:07 +0000