+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
+ (__libc_ifunc_impl_list): Refactor ifunc handling for wcscmp.
+ * sysdeps/s390/multiarch/wcscmp-c.c: Move to ...
+ * sysdeps/s390/wcscmp-c.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/wcscmp-vx.S: Move to ...
+ * sysdeps/s390/wcscmp-vx.S: ... here and adjust ifunc handling.
+ * sysdeps/s390/multiarch/wcscmp.c: Move to ...
+ * sysdeps/s390/wcscmp.c: ... here and adjust ifunc handling.
+ * sysdeps/s390/ifunc-wcscmp.h: New file.
+
2018-12-18 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/multiarch/Makefile
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
--- /dev/null
+/* 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
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 \
#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
)
#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) \
__##FUNC##_vx) \
IFUNC_IMPL_ADD (array, i, FUNC, 1, __##FUNC##_c))
- IFUNC_VX_IMPL (wcscmp);
-
IFUNC_VX_IMPL (wcsncmp);
IFUNC_VX_IMPL (wcschr);
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
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"
-v17=part of s2
-v18=index of unequal
*/
-ENTRY(__wcscmp_vx)
+ENTRY(WCSCMP_Z13)
.machine "z13"
.machinemode "zarch_nohighgprs"
.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
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
projects / thirdparty / glibc.git / commitdiff
