@@ -74,5 +74,6 @@ sysdep_routines += bzero memset memset-z900 \
strchrnul strchrnul-vx strchrnul-c \
strrchr strrchr-vx strrchr-c \
strspn strspn-vx strspn-c \
- strpbrk strpbrk-vx strpbrk-c
+ strpbrk strpbrk-vx strpbrk-c \
+ strcspn strcspn-vx strcspn-c
endif
new file mode 100644
@@ -0,0 +1,52 @@
+/* strcspn 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_STRCSPN_IFUNC 1
+#else
+# define HAVE_STRCSPN_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT HAVE_STRCSPN_IFUNC
+#else
+# define HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define STRCSPN_DEFAULT STRCSPN_Z13
+# define HAVE_STRCSPN_C 0
+# define HAVE_STRCSPN_Z13 1
+#else
+# define STRCSPN_DEFAULT STRCSPN_C
+# define HAVE_STRCSPN_C 1
+# define HAVE_STRCSPN_Z13 HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_STRCSPN_C
+# define STRCSPN_C __strcspn_c
+#else
+# define STRCSPN_C NULL
+#endif
+
+#if HAVE_STRCSPN_Z13
+# define STRCSPN_Z13 __strcspn_vx
+#else
+# define STRCSPN_Z13 NULL
+#endif
@@ -1,6 +1,5 @@
ifeq ($(subdir),string)
-sysdep_routines += strcspn strcspn-vx strcspn-c \
- memchr memchr-vx \
+sysdep_routines += memchr memchr-vx \
rawmemchr rawmemchr-vx rawmemchr-c \
memccpy memccpy-vx memccpy-c \
memrchr memrchr-vx memrchr-c
@@ -41,6 +41,7 @@
#include <ifunc-strrchr.h>
#include <ifunc-strspn.h>
#include <ifunc-strpbrk.h>
+#include <ifunc-strcspn.h>
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
@@ -359,6 +360,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
)
#endif /* HAVE_STRPBRK_IFUNC */
+#if HAVE_STRCSPN_IFUNC
+ IFUNC_IMPL (i, name, strcspn,
+# if HAVE_STRCSPN_Z13
+ IFUNC_IMPL_ADD (array, i, strcspn,
+ dl_hwcap & HWCAP_S390_VX, STRCSPN_Z13)
+# endif
+# if HAVE_STRCSPN_C
+ IFUNC_IMPL_ADD (array, i, strcspn, 1, STRCSPN_C)
+# endif
+ )
+#endif /* HAVE_STRCSPN_IFUNC */
+
#ifdef HAVE_S390_VX_ASM_SUPPORT
# define IFUNC_VX_IMPL(FUNC) \
@@ -397,7 +410,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_VX_IMPL (wcspbrk);
- IFUNC_VX_IMPL (strcspn);
IFUNC_VX_IMPL (wcscspn);
IFUNC_VX_IMPL (memchr);
similarity index 73%
rename from sysdeps/s390/multiarch/strcspn-c.c
rename to sysdeps/s390/strcspn-c.c
@@ -16,13 +16,17 @@
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 STRCSPN __strcspn_c
-# ifdef SHARED
-# undef libc_hidden_builtin_def
-# define libc_hidden_builtin_def(name) \
- __hidden_ver1 (__strcspn_c, __GI_strcspn, __strcspn_c);
-# endif /* SHARED */
+#include <ifunc-strcspn.h>
+
+#if HAVE_STRCSPN_C
+# if HAVE_STRCSPN_IFUNC
+# define STRCSPN STRCSPN_C
+# if defined SHARED && IS_IN (libc)
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
+ __hidden_ver1 (__strcspn_c, __GI_strcspn, __strcspn_c);
+# endif
+# endif
# include <string/strcspn.c>
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+#endif
similarity index 97%
rename from sysdeps/s390/multiarch/strcspn-vx.S
rename to sysdeps/s390/strcspn-vx.S
@@ -16,7 +16,9 @@
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-strcspn.h>
+
+#if HAVE_STRCSPN_Z13
# include "sysdep.h"
# include "asm-syntax.h"
@@ -58,7 +60,7 @@
otherwise =0;
r9: loaded byte count of vlbb reject-string
*/
-ENTRY(__strcspn_vx)
+ENTRY(STRCSPN_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
@@ -277,5 +279,14 @@ ENTRY(__strcspn_vx)
vlgvg %r8,%v31,0
vlgvg %r9,%v31,1
br %r14
-END(__strcspn_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
+END(STRCSPN_Z13)
+
+# if ! HAVE_STRCSPN_IFUNC
+strong_alias (STRCSPN_Z13, strcspn)
+# endif
+
+# if ! HAVE_STRCSPN_C && defined SHARED && IS_IN (libc)
+strong_alias (STRCSPN_Z13, __GI_strcspn)
+# endif
+
+#endif /* HAVE_STRCSPN_Z13 */
similarity index 70%
rename from sysdeps/s390/multiarch/strcspn.c
rename to sysdeps/s390/strcspn.c
@@ -16,7 +16,9 @@
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-strcspn.h>
+
+#if HAVE_STRCSPN_IFUNC
# define strcspn __redirect_strcspn
/* Omit the strcspn inline definitions because it would redefine strcspn. */
# define __NO_STRING_INLINES
@@ -24,8 +26,17 @@
# undef strcspn
# include <ifunc-resolve.h>
-s390_vx_libc_ifunc2_redirected (__redirect_strcspn, __strcspn, strcspn)
+# if HAVE_STRCSPN_C
+extern __typeof (__redirect_strcspn) STRCSPN_C attribute_hidden;
+# endif
+
+# if HAVE_STRCSPN_Z13
+extern __typeof (__redirect_strcspn) STRCSPN_Z13 attribute_hidden;
+# endif
-#else
-# include <string/strcspn.c>
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
+s390_libc_ifunc_expr (__redirect_strcspn, strcspn,
+ (HAVE_STRCSPN_Z13 && (hwcap & HWCAP_S390_VX))
+ ? STRCSPN_Z13
+ : STRCSPN_DEFAULT
+ )
+#endif /* HAVE_STRCSPN_IFUNC */