diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
index 9a16ce1..65e8911 100644
--- a/sysdeps/s390/Makefile
+++ b/sysdeps/s390/Makefile
@@ -58,3 +58,7 @@ sysdep_routines += bzero memset memset-z900 \
memccpy memccpy-vx memccpy-c \
memrchr memrchr-vx memrchr-c
endif
+
+ifeq ($(subdir),wcsmbs)
+sysdep_routines += wcslen wcslen-vx wcslen-c
+endif
diff --git a/sysdeps/s390/ifunc-wcslen.h b/sysdeps/s390/ifunc-wcslen.h
new file mode 100644
index 0000000..50d879c
--- /dev/null
+++ b/sysdeps/s390/ifunc-wcslen.h
@@ -0,0 +1,53 @@
+/* wcslen 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
+ . */
+
+#if defined USE_MULTIARCH && IS_IN (libc) \
+ && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define HAVE_WCSLEN_IFUNC 1
+#else
+# define HAVE_WCSLEN_IFUNC 0
+#endif
+
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+# define HAVE_WCSLEN_IFUNC_AND_VX_SUPPORT HAVE_WCSLEN_IFUNC
+#else
+# define HAVE_WCSLEN_IFUNC_AND_VX_SUPPORT 0
+#endif
+
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
+# define WCSLEN_DEFAULT WCSLEN_Z13
+/* The z13 ifunc variant is using the common code variant as fallback! */
+# define HAVE_WCSLEN_C 1
+# define HAVE_WCSLEN_Z13 1
+#else
+# define WCSLEN_DEFAULT WCSLEN_C
+# define HAVE_WCSLEN_C 1
+# define HAVE_WCSLEN_Z13 HAVE_WCSLEN_IFUNC_AND_VX_SUPPORT
+#endif
+
+#if HAVE_WCSLEN_C
+# define WCSLEN_C __wcslen_c
+#else
+# define WCSLEN_C NULL
+#endif
+
+#if HAVE_WCSLEN_Z13
+# define WCSLEN_Z13 __wcslen_vx
+#else
+# define WCSLEN_Z13 NULL
+#endif
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
index 260b514..421d40d 100644
--- a/sysdeps/s390/multiarch/Makefile
+++ b/sysdeps/s390/multiarch/Makefile
@@ -1,6 +1,5 @@
ifeq ($(subdir),wcsmbs)
-sysdep_routines += wcslen wcslen-vx wcslen-c \
- wcsnlen wcsnlen-vx wcsnlen-c \
+sysdep_routines += wcsnlen wcsnlen-vx wcsnlen-c \
wcscpy wcscpy-vx wcscpy-c \
wcpcpy wcpcpy-vx wcpcpy-c \
wcsncpy wcsncpy-vx wcsncpy-c \
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
index 0f01b99..7bf5f14 100644
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
@@ -46,6 +46,7 @@
#include
#include
#include
+#include
/* Maximum number of IFUNC implementations. */
#define MAX_IFUNC 3
@@ -424,6 +425,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
)
#endif /* HAVE_MEMRCHR_IFUNC */
+#if HAVE_WCSLEN_IFUNC
+ IFUNC_IMPL (i, name, wcslen,
+# if HAVE_WCSLEN_Z13
+ IFUNC_IMPL_ADD (array, i, wcslen,
+ dl_hwcap & HWCAP_S390_VX, WCSLEN_Z13)
+# endif
+# if HAVE_WCSLEN_C
+ IFUNC_IMPL_ADD (array, i, wcslen, 1, WCSLEN_C)
+# endif
+ )
+#endif /* HAVE_WCSLEN_IFUNC */
+
#ifdef HAVE_S390_VX_ASM_SUPPORT
# define IFUNC_VX_IMPL(FUNC) \
@@ -432,8 +445,6 @@ __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 (wcslen);
-
IFUNC_VX_IMPL (wcsnlen);
IFUNC_VX_IMPL (wcscpy);
diff --git a/sysdeps/s390/multiarch/wcslen-c.c b/sysdeps/s390/multiarch/wcslen-c.c
deleted file mode 100644
index 32a23e2..0000000
--- a/sysdeps/s390/multiarch/wcslen-c.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/* Default wcslen implementation for S/390.
- Copyright (C) 2015-2018 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
- . */
-
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
-# define WCSLEN __wcslen_c
-
-# include
-extern __typeof (__wcslen) __wcslen_c;
-# include
-#endif
diff --git a/sysdeps/s390/multiarch/wcslen-vx.S b/sysdeps/s390/multiarch/wcslen-vx.S
deleted file mode 100644
index 337cbed..0000000
--- a/sysdeps/s390/multiarch/wcslen-vx.S
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Vector optimized 32/64 bit S/390 version of wcslen.
- Copyright (C) 2015-2018 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
- . */
-
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
-
-# include "sysdep.h"
-# include "asm-syntax.h"
-
- .text
-
-/* size_t wcslen (const wchar_t *s)
- Returns length of string s.
-
- Register usage:
- -r1=bytes to 4k-byte boundary
- -r2=s
- -r3=tmp
- -r4=tmp
- -r5=current_len and return_value
- -v16=part of s
-*/
-ENTRY(__wcslen_vx)
- .machine "z13"
- .machinemode "zarch_nohighgprs"
-
- vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */
- lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */
-
- tmll %r2,3 /* Test if s is 4-byte aligned? */
- jne .Lfallback /* And use common-code variant if not. */
-
- vfenezf %v16,%v16,%v16 /* Find element not equal with zero search. */
- vlgvb %r4,%v16,7 /* Load zero index or 16 if not found. */
- clr %r4,%r1 /* If found zero within loaded bytes? */
- locgrl %r2,%r4 /* Then copy return value. */
- jl .Lend /* And return. */
-
- /* Align s to 16 byte. */
- risbgn %r3,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */
- lghi %r5,16 /* current_len = 16. */
- slr %r5,%r3 /* Compute bytes to 16bytes boundary. */
-
- /* Find zero in 16byte aligned loop. */
-.Lloop:
- vl %v16,0(%r5,%r2) /* Load s. */
- vfenezfs %v16,%v16,%v16 /* Find element not equal with zero search. */
- je .Lfound /* Jump away if zero was found. */
- vl %v16,16(%r5,%r2)
- vfenezfs %v16,%v16,%v16
- je .Lfound16
- vl %v16,32(%r5,%r2)
- vfenezfs %v16,%v16,%v16
- je .Lfound32
- vl %v16,48(%r5,%r2)
- vfenezfs %v16,%v16,%v16
- je .Lfound48
-
- aghi %r5,64
- j .Lloop /* No zero found -> loop. */
-
-.Lfound48:
- aghi %r5,16
-.Lfound32:
- aghi %r5,16
-.Lfound16:
- aghi %r5,16
-.Lfound:
- vlgvb %r2,%v16,7 /* Load byte index of zero. */
- algr %r2,%r5
-.Lend:
- srlg %r2,%r2,2 /* Convert byte-count to character-count. */
- br %r14
-.Lfallback:
- jg __wcslen_c
-END(__wcslen_vx)
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
diff --git a/sysdeps/s390/multiarch/wcslen.c b/sysdeps/s390/multiarch/wcslen.c
deleted file mode 100644
index 3a1d1a3..0000000
--- a/sysdeps/s390/multiarch/wcslen.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Multiple versions of wcslen.
- Copyright (C) 2015-2018 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
- . */
-
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
-# include
-# include
-
-s390_vx_libc_ifunc (__wcslen)
-weak_alias (__wcslen, wcslen)
-
-#else
-# include
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
diff --git a/sysdeps/s390/wcslen-c.c b/sysdeps/s390/wcslen-c.c
new file mode 100644
index 0000000..45399cf
--- /dev/null
+++ b/sysdeps/s390/wcslen-c.c
@@ -0,0 +1,27 @@
+/* Default wcslen implementation for S/390.
+ Copyright (C) 2015-2018 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
+ . */
+
+#include
+
+#if HAVE_WCSLEN_C
+# if HAVE_WCSLEN_IFUNC || HAVE_WCSLEN_Z13
+# define WCSLEN WCSLEN_C
+# endif
+
+# include
+#endif
diff --git a/sysdeps/s390/wcslen-vx.S b/sysdeps/s390/wcslen-vx.S
new file mode 100644
index 0000000..114f7ef
--- /dev/null
+++ b/sysdeps/s390/wcslen-vx.S
@@ -0,0 +1,97 @@
+/* Vector optimized 32/64 bit S/390 version of wcslen.
+ Copyright (C) 2015-2018 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
+ . */
+
+#include
+#if HAVE_WCSLEN_Z13
+
+# include "sysdep.h"
+# include "asm-syntax.h"
+
+ .text
+
+/* size_t wcslen (const wchar_t *s)
+ Returns length of string s.
+
+ Register usage:
+ -r1=bytes to 4k-byte boundary
+ -r2=s
+ -r3=tmp
+ -r4=tmp
+ -r5=current_len and return_value
+ -v16=part of s
+*/
+ENTRY(WCSLEN_Z13)
+ .machine "z13"
+ .machinemode "zarch_nohighgprs"
+
+ vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */
+ lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */
+
+ tmll %r2,3 /* Test if s is 4-byte aligned? */
+ jne .Lfallback /* And use common-code variant if not. */
+
+ vfenezf %v16,%v16,%v16 /* Find element not equal with zero search. */
+ vlgvb %r4,%v16,7 /* Load zero index or 16 if not found. */
+ clr %r4,%r1 /* If found zero within loaded bytes? */
+ locgrl %r2,%r4 /* Then copy return value. */
+ jl .Lend /* And return. */
+
+ /* Align s to 16 byte. */
+ risbgn %r3,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */
+ lghi %r5,16 /* current_len = 16. */
+ slr %r5,%r3 /* Compute bytes to 16bytes boundary. */
+
+ /* Find zero in 16byte aligned loop. */
+.Lloop:
+ vl %v16,0(%r5,%r2) /* Load s. */
+ vfenezfs %v16,%v16,%v16 /* Find element not equal with zero search. */
+ je .Lfound /* Jump away if zero was found. */
+ vl %v16,16(%r5,%r2)
+ vfenezfs %v16,%v16,%v16
+ je .Lfound16
+ vl %v16,32(%r5,%r2)
+ vfenezfs %v16,%v16,%v16
+ je .Lfound32
+ vl %v16,48(%r5,%r2)
+ vfenezfs %v16,%v16,%v16
+ je .Lfound48
+
+ aghi %r5,64
+ j .Lloop /* No zero found -> loop. */
+
+.Lfound48:
+ aghi %r5,16
+.Lfound32:
+ aghi %r5,16
+.Lfound16:
+ aghi %r5,16
+.Lfound:
+ vlgvb %r2,%v16,7 /* Load byte index of zero. */
+ algr %r2,%r5
+.Lend:
+ srlg %r2,%r2,2 /* Convert byte-count to character-count. */
+ br %r14
+.Lfallback:
+ jg WCSLEN_C
+END(WCSLEN_Z13)
+
+# if ! HAVE_WCSLEN_IFUNC
+strong_alias (WCSLEN_Z13, __wcslen)
+weak_alias (__wcslen, wcslen)
+# endif
+#endif
diff --git a/sysdeps/s390/wcslen.c b/sysdeps/s390/wcslen.c
new file mode 100644
index 0000000..a5eee83
--- /dev/null
+++ b/sysdeps/s390/wcslen.c
@@ -0,0 +1,39 @@
+/* Multiple versions of wcslen.
+ Copyright (C) 2015-2018 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
+ . */
+
+#include
+
+#if HAVE_WCSLEN_IFUNC
+# include
+# include
+
+# if HAVE_WCSLEN_C
+extern __typeof (__wcslen) WCSLEN_C attribute_hidden;
+# endif
+
+# if HAVE_WCSLEN_Z13
+extern __typeof (__wcslen) WCSLEN_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__wcslen, __wcslen,
+ (HAVE_WCSLEN_Z13 && (hwcap & HWCAP_S390_VX))
+ ? WCSLEN_Z13
+ : WCSLEN_DEFAULT
+ )
+weak_alias (__wcslen, wcslen)
+#endif