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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 792ee9ea80..1e5c084706 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 00398ba6c2..e1253c04be 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 0000000000..3a22bc9c12
--- /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 70162d0eaa..d1740fa8e4 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 f461063c80..8c9e788ae5 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 92ab5e8b50..a9ccb8de82 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 34c203bc90..9bdd21acef 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 ee5f08c1e4..101db44591 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-pink 1.4.1 (git 2.36.1) at 2024-09-20 23:58:09 +0000