@@ -36,7 +36,8 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
strcoll
-string-bench-all := $(string-bench)
+wcsmbs-bench := wcslen
+string-bench-all := $(string-bench) ${wcsmbs-bench}
# We have to generate locales
LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
new file mode 100644
@@ -0,0 +1,20 @@
+/* Measure wcslen functions.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define WIDE 1
+#include "bench-strlen.c"
@@ -23,10 +23,14 @@
#undef strlen
+#ifndef STRLEN
+# define STRLEN strlen
+#endif
+
/* Return the length of the null-terminated string STR. Scan for
the null terminator quickly by testing four bytes at a time. */
size_t
-strlen (const char *str)
+STRLEN (const char *str)
{
const char *char_ptr;
const unsigned long int *longword_ptr;
new file mode 100644
@@ -0,0 +1,7 @@
+ifeq ($(subdir),string)
+sysdep_routines += strlen strlen-vx strlen-c
+endif
+
+ifeq ($(subdir),wcsmbs)
+sysdep_routines += wcslen wcslen-vx wcslen-c
+endif
@@ -18,6 +18,7 @@
#include <assert.h>
#include <string.h>
+#include <wchar.h>
#include <ifunc-impl-list.h>
#include <ifunc-resolve.h>
@@ -70,5 +71,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
#endif /* SHARED */
+#ifdef HAVE_S390_VX_ASM_SUPPORT
+
+# define IFUNC_VX_IMPL(FUNC) \
+ IFUNC_IMPL (i, name, FUNC, \
+ IFUNC_IMPL_ADD (array, i, FUNC, dl_hwcap & HWCAP_S390_VX, \
+ __##FUNC##_vx) \
+ IFUNC_IMPL_ADD (array, i, FUNC, 1, __##FUNC##_c))
+
+ IFUNC_VX_IMPL (strlen);
+ IFUNC_VX_IMPL (wcslen);
+
+#endif /* HAVE_S390_VX_ASM_SUPPORT */
+
return i;
}
new file mode 100644
@@ -0,0 +1,28 @@
+/* Default strlen implementation for S/390.
+ Copyright (C) 2015 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 HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define STRLEN __strlen_c
+# ifdef SHARED
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
+ __hidden_ver1 (__strlen_c, __GI_strlen, __strlen_c);
+# endif /* SHARED */
+
+# include <string/strlen.c>
+#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
new file mode 100644
@@ -0,0 +1,83 @@
+/* Vector optimized 32/64 bit S/390 version of strlen.
+ Copyright (C) 2015 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 HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+
+# include "sysdep.h"
+# include "asm-syntax.h"
+
+ .text
+
+/* size_t strlen (const char *s)
+ Returns length of string s.
+
+ Register usage:
+ -r2=s
+ -r3=tmp
+ -r4=tmp
+ -r5=current_len and return_value
+ -v16=part of s
+*/
+ENTRY(__strlen_vx)
+ .machine "z13"
+ .machinemode "zarch_nohighgprs"
+
+ lghi %r5,0 /* current_len = 0. */
+
+ /* Align s to 16 byte. */
+ risbg %r3,%r2,60,128+63,0 /* Test if s is aligned and
+ %r3 = bits 60-63 'and' 15. */
+ je .Lloop1 /* If s is aligned, loop aligned. */
+ lghi %r4,15
+ slr %r4,%r3 /* Compute highest index to load (15-x). */
+ vll %v16,%r4,0(%r2) /* Load up to 16 byte boundary. (vll needs
+ highest index, remaining bytes are 0.) */
+ ahi %r4,1 /* Work with loaded byte count. */
+ vfenezb %v16,%v16,%v16 /* Find element not equal with zero search. */
+ vlgvb %r5,%v16,7 /* Load zero index or 16 if not found. */
+ clr %r5,%r4 /* If found zero within loaded bytes? */
+ locgrl %r2,%r5 /* Then copy return value. */
+ blr %r14 /* And return. */
+ lgr %r5,%r4 /* No zero within loaded bytes,
+ process further bytes aligned. */
+ /* Find zero in 16 byte aligned loop. */
+.Lloop1:
+ vl %v16,0(%r5,%r2) /* Load s. */
+ aghi %r5,16
+ vfenezbs %v16,%v16,%v16 /* Find element not equal with zero search. */
+ je .Lfound /* Jump away if zero was found. */
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezbs %v16,%v16,%v16
+ je .Lfound
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezbs %v16,%v16,%v16
+ je .Lfound
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezbs %v16,%v16,%v16
+ jne .Lloop1 /* No zero found -> loop. */
+
+.Lfound:
+ vlgvb %r2,%v16,7 /* Load byte index of zero. */
+ slgfi %r5,16 /* current_len -=16 */
+ algr %r2,%r5
+ br %r14
+END(__strlen_vx)
+#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
new file mode 100644
@@ -0,0 +1,27 @@
+/* Multiple versions of strlen.
+ Copyright (C) 2015 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 HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# include <string.h>
+# include <ifunc-resolve.h>
+
+s390_vx_libc_ifunc2 (__strlen, strlen)
+
+#else
+# include <string/strlen.c>
+#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
new file mode 100644
@@ -0,0 +1,25 @@
+/* Default wcslen implementation for S/390.
+ Copyright (C) 2015 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 HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define WCSLEN __wcslen_c
+
+# include <wchar.h>
+extern __typeof (__wcslen) __wcslen_c;
+# include <wcsmbs/wcslen.c>
+#endif
new file mode 100644
@@ -0,0 +1,89 @@
+/* Vector optimized 32/64 bit S/390 version of wcslen.
+ Copyright (C) 2015 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 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:
+ -r2=s
+ -r3=tmp
+ -r4=tmp
+ -r5=current_len and return_value
+ -v16=part of s
+*/
+ENTRY(__wcslen_vx)
+ .machine "z13"
+ .machinemode "zarch_nohighgprs"
+
+ lghi %r5,0 /* current_len = 0. */
+
+ /* Align s to 16 byte */
+ risbg %r3,%r2,60,128+63,0 /* Test if s is aligned and
+ %r3 = bits 60-63 'and' 15. */
+ je .Lloop1 /* If s is aligned, loop aligned. */
+ tmll %r2,3 /* Test if s is 4-byte aligned? */
+ jne .Lfallback /* And use common-code variant if not. */
+ lghi %r4,15
+ slr %r4,%r3 /* Compute highest index to load (15-x). */
+ vll %v16,%r4,0(%r2) /* Load up to 16 byte boundary. (vll needs
+ highest index, remaining bytes are 0. */
+ ahi %r4,1 /* Work with loaded byte count. */
+ vfenezf %v16,%v16,%v16 /* Find element not equal with zero search. */
+ vlgvb %r5,%v16,7 /* Load zero index or 16 if not found. */
+ clr %r5,%r4 /* If found zero within loaded bytes? */
+ locgrl %r2,%r5 /* Then copy return value. */
+ jl .Lend /* And return. */
+ lgr %r5,%r4 /* No zero within loaded bytes,
+ process further bytes aligned. */
+ /* Find zero in 16byte aligned loop. */
+.Lloop1:
+ vl %v16,0(%r5,%r2) /* Load s. */
+ aghi %r5,16
+ vfenezfs %v16,%v16,%v16 /* Find element not equal with zero search. */
+ je .Lfound /* Jump away if zero was found. */
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezfs %v16,%v16,%v16
+ je .Lfound
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezfs %v16,%v16,%v16
+ je .Lfound
+ vl %v16,0(%r5,%r2)
+ aghi %r5,16
+ vfenezfs %v16,%v16,%v16
+ jne .Lloop1 /* No zero found -> loop. */
+
+.Lfound:
+ vlgvb %r2,%v16,7 /* Load byte index of zero. */
+ slgfi %r5,16 /* current_len -=16 */
+ 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) */
new file mode 100644
@@ -0,0 +1,28 @@
+/* Multiple versions of wcslen.
+ Copyright (C) 2015 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 HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# include <wchar.h>
+# include <ifunc-resolve.h>
+
+s390_vx_libc_ifunc (__wcslen)
+weak_alias (__wcslen, wcslen)
+
+#else
+# include <wcsmbs/wcslen.c>
+#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */