about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/s390/Makefile3
-rw-r--r--sysdeps/s390/ifunc-wcscmp.h52
-rw-r--r--sysdeps/s390/multiarch/Makefile3
-rw-r--r--sysdeps/s390/multiarch/ifunc-impl-list.c15
-rw-r--r--sysdeps/s390/wcscmp-c.c (renamed from sysdeps/s390/multiarch/wcscmp-c.c)24
-rw-r--r--sysdeps/s390/wcscmp-vx.S (renamed from sysdeps/s390/multiarch/wcscmp-vx.S)18
-rw-r--r--sysdeps/s390/wcscmp.c (renamed from sysdeps/s390/multiarch/wcscmp.c)23
7 files changed, 112 insertions, 26 deletions
diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
index cb8dd2134f..00398ba6c2 100644
--- a/sysdeps/s390/Makefile
+++ b/sysdeps/s390/Makefile
@@ -90,5 +90,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \
 		   wcsncpy wcsncpy-vx wcsncpy-c \
 		   wcpncpy wcpncpy-vx wcpncpy-c \
 		   wcscat wcscat-vx wcscat-c \
-		   wcsncat wcsncat-vx wcsncat-c
+		   wcsncat wcsncat-vx wcsncat-c \
+		   wcscmp wcscmp-vx wcscmp-c
 endif
diff --git a/sysdeps/s390/ifunc-wcscmp.h b/sysdeps/s390/ifunc-wcscmp.h
new file mode 100644
index 0000000000..99fe021302
--- /dev/null
+++ b/sysdeps/s390/ifunc-wcscmp.h
@@ -0,0 +1,52 @@
+/* wcscmp 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_WCSCMP_IFUNC	1
+#else
+# define HAVE_WCSCMP_IFUNC	0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_WCSCMP_IFUNC_AND_VX_SUPPORT HAVE_WCSCMP_IFUNC
+#else
+# define HAVE_WCSCMP_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define WCSCMP_DEFAULT		WCSCMP_Z13
+# define HAVE_WCSCMP_C		0
+# define HAVE_WCSCMP_Z13	1
+#else
+# define WCSCMP_DEFAULT		WCSCMP_C
+# define HAVE_WCSCMP_C		1
+# define HAVE_WCSCMP_Z13	HAVE_WCSCMP_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_WCSCMP_C
+# define WCSCMP_C		__wcscmp_c
+#else
+# define WCSCMP_C		NULL
+#endif
+
+#if HAVE_WCSCMP_Z13
+# define WCSCMP_Z13		__wcscmp_vx
+#else
+# define WCSCMP_Z13		NULL
+#endif
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
index 6cb75950c2..70162d0eaa 100644
--- a/sysdeps/s390/multiarch/Makefile
+++ b/sysdeps/s390/multiarch/Makefile
@@ -1,6 +1,5 @@
 ifeq ($(subdir),wcsmbs)
-sysdep_routines += wcscmp wcscmp-vx wcscmp-c \
-		   wcsncmp wcsncmp-vx wcsncmp-c \
+sysdep_routines += wcsncmp wcsncmp-vx wcsncmp-c \
 		   wcschr wcschr-vx wcschr-c \
 		   wcschrnul wcschrnul-vx wcschrnul-c \
 		   wcsrchr wcsrchr-vx wcsrchr-c \
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index 7b7b1e7497..f461063c80 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -54,6 +54,7 @@
 #include <ifunc-wcpncpy.h>
 #include <ifunc-wcscat.h>
 #include <ifunc-wcsncat.h>
+#include <ifunc-wcscmp.h>
 
 /* Maximum number of IFUNC implementations.  */
 #define MAX_IFUNC	3
@@ -528,6 +529,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 		)
 #endif /* HAVE_WCSNCAT_IFUNC  */
 
+#if HAVE_WCSCMP_IFUNC
+    IFUNC_IMPL (i, name, wcscmp,
+# if HAVE_WCSCMP_Z13
+		IFUNC_IMPL_ADD (array, i, wcscmp,
+				dl_hwcap & HWCAP_S390_VX, WCSCMP_Z13)
+# endif
+# if HAVE_WCSCMP_C
+		IFUNC_IMPL_ADD (array, i, wcscmp, 1, WCSCMP_C)
+# endif
+		)
+#endif /* HAVE_WCSCMP_IFUNC  */
+
 #ifdef HAVE_S390_VX_ASM_SUPPORT
 
 # define IFUNC_VX_IMPL(FUNC)						\
@@ -536,8 +549,6 @@ __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 (wcscmp);
-
   IFUNC_VX_IMPL (wcsncmp);
 
   IFUNC_VX_IMPL (wcschr);
diff --git a/sysdeps/s390/multiarch/wcscmp-c.c b/sysdeps/s390/wcscmp-c.c
index ce0817ae97..643ba7a682 100644
--- a/sysdeps/s390/multiarch/wcscmp-c.c
+++ b/sysdeps/s390/wcscmp-c.c
@@ -16,17 +16,19 @@
    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 WCSCMP  __wcscmp_c
+#include <ifunc-wcscmp.h>
 
-# include <wchar.h>
-extern __typeof (wcscmp) __wcscmp_c;
-# undef weak_alias
-# define weak_alias(name, alias)
-# ifdef SHARED
-#  undef libc_hidden_def
-#  define libc_hidden_def(name)				\
+#if HAVE_WCSCMP_C
+# if HAVE_WCSCMP_IFUNC
+#  define WCSCMP WCSCMP_C
+#  undef weak_alias
+#  define weak_alias(name, alias)
+#  if defined SHARED && IS_IN (libc)
+#   undef libc_hidden_def
+#   define libc_hidden_def(name)				\
   __hidden_ver1 (__wcscmp_c, __GI___wcscmp, __wcscmp_c);
-# endif /* SHARED */
+#  endif
+# endif
+
 # include <wcsmbs/wcscmp.c>
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+#endif
diff --git a/sysdeps/s390/multiarch/wcscmp-vx.S b/sysdeps/s390/wcscmp-vx.S
index 14267dbfc7..a2789d8a69 100644
--- a/sysdeps/s390/multiarch/wcscmp-vx.S
+++ b/sysdeps/s390/wcscmp-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-wcscmp.h>
+#if HAVE_WCSCMP_Z13
 
 # include "sysdep.h"
 # include "asm-syntax.h"
@@ -36,7 +37,7 @@
    -v17=part of s2
    -v18=index of unequal
 */
-ENTRY(__wcscmp_vx)
+ENTRY(WCSCMP_Z13)
 	.machine "z13"
 	.machinemode "zarch_nohighgprs"
 
@@ -127,5 +128,14 @@ ENTRY(__wcscmp_vx)
 .Lend_equal:
 	lghi	%r2,0
 	br	%r14
-END(__wcscmp_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(WCSCMP_Z13)
+
+# if ! HAVE_WCSCMP_IFUNC
+strong_alias (WCSCMP_Z13, __wcscmp)
+weak_alias (__wcscmp, wcscmp)
+# endif
+
+# if ! HAVE_WCSCMP_C && defined SHARED && IS_IN (libc)
+strong_alias (WCSCMP_Z13, __GI___wcscmp)
+# endif
+#endif
diff --git a/sysdeps/s390/multiarch/wcscmp.c b/sysdeps/s390/wcscmp.c
index 5ee0fd4d88..769c73506e 100644
--- a/sysdeps/s390/multiarch/wcscmp.c
+++ b/sysdeps/s390/wcscmp.c
@@ -16,15 +16,26 @@
    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-wcscmp.h>
+
+#if HAVE_WCSCMP_IFUNC
 # define __wcscmp __redirect___wcscmp
 # include <wchar.h>
 # undef __wcscmp
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc_redirected (__redirect___wcscmp, __wcscmp)
-weak_alias (__wcscmp, wcscmp)
+# if HAVE_WCSCMP_C
+extern __typeof (__redirect___wcscmp) WCSCMP_C attribute_hidden;
+# endif
 
-#else
-# include <wcsmbs/wcscmp.c>
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+# if HAVE_WCSCMP_Z13
+extern __typeof (__redirect___wcscmp) WCSCMP_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect___wcscmp, __wcscmp,
+		      (HAVE_WCSCMP_Z13 && (hwcap & HWCAP_S390_VX))
+		      ? WCSCMP_Z13
+		      : WCSCMP_DEFAULT
+		      )
+weak_alias (__wcscmp, wcscmp)
+#endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-07-09 03:53:11 +0000