|
 |
077c9d |
commit 5d2ec20a997b87c1667e0e71b3ff1e9df96eac15
|
|
|
077c9d |
Author: Stefan Liebler <stli@linux.ibm.com>
|
|
|
077c9d |
Date: Tue Dec 18 13:57:15 2018 +0100
|
|
|
077c9d |
|
|
|
077c9d |
S390: Refactor strcspn ifunc handling.
|
|
|
077c9d |
|
|
|
077c9d |
The ifunc handling for strcspn is adjusted in order to omit ifunc
|
|
|
077c9d |
variants if those will never be used as the minimum architecture level
|
|
|
077c9d |
already supports newer CPUs by default.
|
|
|
077c9d |
Glibc internal calls will then also use the "newer" ifunc variant.
|
|
|
077c9d |
|
|
|
077c9d |
ChangeLog:
|
|
|
077c9d |
|
|
|
077c9d |
* sysdeps/s390/multiarch/Makefile
|
|
|
077c9d |
(sysdep_routines): Remove strcspn variants.
|
|
|
077c9d |
* sysdeps/s390/Makefile (sysdep_routines): Add strcspn variants.
|
|
|
077c9d |
* sysdeps/s390/multiarch/ifunc-impl-list.c
|
|
|
077c9d |
(__libc_ifunc_impl_list): Refactor ifunc handling for strcspn.
|
|
|
077c9d |
* sysdeps/s390/multiarch/strcspn-c.c: Move to ...
|
|
|
077c9d |
* sysdeps/s390/strcspn-c.c: ... here and adjust ifunc handling.
|
|
|
077c9d |
* sysdeps/s390/multiarch/strcspn-vx.S: Move to ...
|
|
|
077c9d |
* sysdeps/s390/strcspn-vx.S: ... here and adjust ifunc handling.
|
|
|
077c9d |
* sysdeps/s390/multiarch/strcspn.c: Move to ...
|
|
|
077c9d |
* sysdeps/s390/strcspn.c: ... here and adjust ifunc handling.
|
|
|
077c9d |
* sysdeps/s390/ifunc-strcspn.h: New file.
|
|
|
077c9d |
|
|
|
077c9d |
diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
|
|
|
077c9d |
index a21fa7507b1d64a1..092d55826fbd15a5 100644
|
|
|
077c9d |
--- a/sysdeps/s390/Makefile
|
|
|
077c9d |
+++ b/sysdeps/s390/Makefile
|
|
|
077c9d |
@@ -51,5 +51,6 @@ sysdep_routines += bzero memset memset-z900 \
|
|
|
077c9d |
strchrnul strchrnul-vx strchrnul-c \
|
|
|
077c9d |
strrchr strrchr-vx strrchr-c \
|
|
|
077c9d |
strspn strspn-vx strspn-c \
|
|
|
077c9d |
- strpbrk strpbrk-vx strpbrk-c
|
|
|
077c9d |
+ strpbrk strpbrk-vx strpbrk-c \
|
|
|
077c9d |
+ strcspn strcspn-vx strcspn-c
|
|
|
077c9d |
endif
|
|
|
077c9d |
diff --git a/sysdeps/s390/ifunc-strcspn.h b/sysdeps/s390/ifunc-strcspn.h
|
|
|
077c9d |
new file mode 100644
|
|
|
077c9d |
index 0000000000000000..9b7032509a2fb9a8
|
|
|
077c9d |
--- /dev/null
|
|
|
077c9d |
+++ b/sysdeps/s390/ifunc-strcspn.h
|
|
|
077c9d |
@@ -0,0 +1,52 @@
|
|
|
077c9d |
+/* strcspn variant information on S/390 version.
|
|
|
077c9d |
+ Copyright (C) 2018 Free Software Foundation, Inc.
|
|
|
077c9d |
+ This file is part of the GNU C Library.
|
|
|
077c9d |
+
|
|
|
077c9d |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
077c9d |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
077c9d |
+ License as published by the Free Software Foundation; either
|
|
|
077c9d |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
077c9d |
+
|
|
|
077c9d |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
077c9d |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
077c9d |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
077c9d |
+ Lesser General Public License for more details.
|
|
|
077c9d |
+
|
|
|
077c9d |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
077c9d |
+ License along with the GNU C Library; if not, see
|
|
|
077c9d |
+ <http://www.gnu.org/licenses/>. */
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if defined USE_MULTIARCH && IS_IN (libc) \
|
|
|
077c9d |
+ && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
|
|
|
077c9d |
+# define HAVE_STRCSPN_IFUNC 1
|
|
|
077c9d |
+#else
|
|
|
077c9d |
+# define HAVE_STRCSPN_IFUNC 0
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+#ifdef HAVE_S390_VX_ASM_SUPPORT
|
|
|
077c9d |
+# define HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT HAVE_STRCSPN_IFUNC
|
|
|
077c9d |
+#else
|
|
|
077c9d |
+# define HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT 0
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
|
|
|
077c9d |
+# define STRCSPN_DEFAULT STRCSPN_Z13
|
|
|
077c9d |
+# define HAVE_STRCSPN_C 0
|
|
|
077c9d |
+# define HAVE_STRCSPN_Z13 1
|
|
|
077c9d |
+#else
|
|
|
077c9d |
+# define STRCSPN_DEFAULT STRCSPN_C
|
|
|
077c9d |
+# define HAVE_STRCSPN_C 1
|
|
|
077c9d |
+# define HAVE_STRCSPN_Z13 HAVE_STRCSPN_IFUNC_AND_VX_SUPPORT
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if HAVE_STRCSPN_C
|
|
|
077c9d |
+# define STRCSPN_C __strcspn_c
|
|
|
077c9d |
+#else
|
|
|
077c9d |
+# define STRCSPN_C NULL
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if HAVE_STRCSPN_Z13
|
|
|
077c9d |
+# define STRCSPN_Z13 __strcspn_vx
|
|
|
077c9d |
+#else
|
|
|
077c9d |
+# define STRCSPN_Z13 NULL
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile
|
|
|
077c9d |
index 1a3fed9fc88012d1..1578f21af4a1bd06 100644
|
|
|
077c9d |
--- a/sysdeps/s390/multiarch/Makefile
|
|
|
077c9d |
+++ b/sysdeps/s390/multiarch/Makefile
|
|
|
077c9d |
@@ -1,6 +1,5 @@
|
|
|
077c9d |
ifeq ($(subdir),string)
|
|
|
077c9d |
-sysdep_routines += strcspn strcspn-vx strcspn-c \
|
|
|
077c9d |
- memchr memchr-vx \
|
|
|
077c9d |
+sysdep_routines += memchr memchr-vx \
|
|
|
077c9d |
rawmemchr rawmemchr-vx rawmemchr-c \
|
|
|
077c9d |
memccpy memccpy-vx memccpy-c \
|
|
|
077c9d |
memrchr memrchr-vx memrchr-c
|
|
|
077c9d |
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
|
|
|
077c9d |
index 8e23416730f8a8d5..2d48c99c8d5663fe 100644
|
|
|
077c9d |
--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
|
|
|
077c9d |
+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
|
|
|
077c9d |
@@ -41,6 +41,7 @@
|
|
|
077c9d |
#include <ifunc-strrchr.h>
|
|
|
077c9d |
#include <ifunc-strspn.h>
|
|
|
077c9d |
#include <ifunc-strpbrk.h>
|
|
|
077c9d |
+#include <ifunc-strcspn.h>
|
|
|
077c9d |
|
|
|
077c9d |
/* Maximum number of IFUNC implementations. */
|
|
|
077c9d |
#define MAX_IFUNC 3
|
|
|
077c9d |
@@ -359,6 +360,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
|
|
|
077c9d |
)
|
|
|
077c9d |
#endif /* HAVE_STRPBRK_IFUNC */
|
|
|
077c9d |
|
|
|
077c9d |
+#if HAVE_STRCSPN_IFUNC
|
|
|
077c9d |
+ IFUNC_IMPL (i, name, strcspn,
|
|
|
077c9d |
+# if HAVE_STRCSPN_Z13
|
|
|
077c9d |
+ IFUNC_IMPL_ADD (array, i, strcspn,
|
|
|
077c9d |
+ dl_hwcap & HWCAP_S390_VX, STRCSPN_Z13)
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+# if HAVE_STRCSPN_C
|
|
|
077c9d |
+ IFUNC_IMPL_ADD (array, i, strcspn, 1, STRCSPN_C)
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+ )
|
|
|
077c9d |
+#endif /* HAVE_STRCSPN_IFUNC */
|
|
|
077c9d |
+
|
|
|
077c9d |
#ifdef HAVE_S390_VX_ASM_SUPPORT
|
|
|
077c9d |
|
|
|
077c9d |
# define IFUNC_VX_IMPL(FUNC) \
|
|
|
077c9d |
@@ -397,7 +410,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
|
|
|
077c9d |
|
|
|
077c9d |
IFUNC_VX_IMPL (wcspbrk);
|
|
|
077c9d |
|
|
|
077c9d |
- IFUNC_VX_IMPL (strcspn);
|
|
|
077c9d |
IFUNC_VX_IMPL (wcscspn);
|
|
|
077c9d |
|
|
|
077c9d |
IFUNC_VX_IMPL (memchr);
|
|
|
077c9d |
diff --git a/sysdeps/s390/multiarch/strcspn-c.c b/sysdeps/s390/strcspn-c.c
|
|
|
077c9d |
similarity index 73%
|
|
|
077c9d |
rename from sysdeps/s390/multiarch/strcspn-c.c
|
|
|
077c9d |
rename to sysdeps/s390/strcspn-c.c
|
|
|
077c9d |
index 7b454f5b56077abc..9f51f92bdbd49a67 100644
|
|
|
077c9d |
--- a/sysdeps/s390/multiarch/strcspn-c.c
|
|
|
077c9d |
+++ b/sysdeps/s390/strcspn-c.c
|
|
|
077c9d |
@@ -16,13 +16,17 @@
|
|
|
077c9d |
License along with the GNU C Library; if not, see
|
|
|
077c9d |
<http://www.gnu.org/licenses/>. */
|
|
|
077c9d |
|
|
|
077c9d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
|
|
|
077c9d |
-# define STRCSPN __strcspn_c
|
|
|
077c9d |
-# ifdef SHARED
|
|
|
077c9d |
-# undef libc_hidden_builtin_def
|
|
|
077c9d |
-# define libc_hidden_builtin_def(name) \
|
|
|
077c9d |
- __hidden_ver1 (__strcspn_c, __GI_strcspn, __strcspn_c);
|
|
|
077c9d |
-# endif /* SHARED */
|
|
|
077c9d |
+#include <ifunc-strcspn.h>
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if HAVE_STRCSPN_C
|
|
|
077c9d |
+# if HAVE_STRCSPN_IFUNC
|
|
|
077c9d |
+# define STRCSPN STRCSPN_C
|
|
|
077c9d |
+# if defined SHARED && IS_IN (libc)
|
|
|
077c9d |
+# undef libc_hidden_builtin_def
|
|
|
077c9d |
+# define libc_hidden_builtin_def(name) \
|
|
|
077c9d |
+ __hidden_ver1 (__strcspn_c, __GI_strcspn, __strcspn_c);
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
|
|
|
077c9d |
# include <string/strcspn.c>
|
|
|
077c9d |
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
|
|
|
077c9d |
+#endif
|
|
|
077c9d |
diff --git a/sysdeps/s390/multiarch/strcspn-vx.S b/sysdeps/s390/strcspn-vx.S
|
|
|
077c9d |
similarity index 97%
|
|
|
077c9d |
rename from sysdeps/s390/multiarch/strcspn-vx.S
|
|
|
077c9d |
rename to sysdeps/s390/strcspn-vx.S
|
|
|
077c9d |
index ea1668742bd1c7ff..ff5b1be549e6e210 100644
|
|
|
077c9d |
--- a/sysdeps/s390/multiarch/strcspn-vx.S
|
|
|
077c9d |
+++ b/sysdeps/s390/strcspn-vx.S
|
|
|
077c9d |
@@ -16,7 +16,9 @@
|
|
|
077c9d |
License along with the GNU C Library; if not, see
|
|
|
077c9d |
<http://www.gnu.org/licenses/>. */
|
|
|
077c9d |
|
|
|
077c9d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
|
|
|
077c9d |
+#include <ifunc-strcspn.h>
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if HAVE_STRCSPN_Z13
|
|
|
077c9d |
|
|
|
077c9d |
# include "sysdep.h"
|
|
|
077c9d |
# include "asm-syntax.h"
|
|
|
077c9d |
@@ -58,7 +60,7 @@
|
|
|
077c9d |
otherwise =0;
|
|
|
077c9d |
r9: loaded byte count of vlbb reject-string
|
|
|
077c9d |
*/
|
|
|
077c9d |
-ENTRY(__strcspn_vx)
|
|
|
077c9d |
+ENTRY(STRCSPN_Z13)
|
|
|
077c9d |
.machine "z13"
|
|
|
077c9d |
.machinemode "zarch_nohighgprs"
|
|
|
077c9d |
|
|
|
077c9d |
@@ -277,5 +279,14 @@ ENTRY(__strcspn_vx)
|
|
|
077c9d |
vlgvg %r8,%v31,0
|
|
|
077c9d |
vlgvg %r9,%v31,1
|
|
|
077c9d |
br %r14
|
|
|
077c9d |
-END(__strcspn_vx)
|
|
|
077c9d |
-#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
|
|
|
077c9d |
+END(STRCSPN_Z13)
|
|
|
077c9d |
+
|
|
|
077c9d |
+# if ! HAVE_STRCSPN_IFUNC
|
|
|
077c9d |
+strong_alias (STRCSPN_Z13, strcspn)
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+# if ! HAVE_STRCSPN_C && defined SHARED && IS_IN (libc)
|
|
|
077c9d |
+strong_alias (STRCSPN_Z13, __GI_strcspn)
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+#endif /* HAVE_STRCSPN_Z13 */
|
|
|
077c9d |
diff --git a/sysdeps/s390/multiarch/strcspn.c b/sysdeps/s390/strcspn.c
|
|
|
077c9d |
similarity index 70%
|
|
|
077c9d |
rename from sysdeps/s390/multiarch/strcspn.c
|
|
|
077c9d |
rename to sysdeps/s390/strcspn.c
|
|
|
077c9d |
index 418ffcdded76fe50..a3f35d39c50dd5e5 100644
|
|
|
077c9d |
--- a/sysdeps/s390/multiarch/strcspn.c
|
|
|
077c9d |
+++ b/sysdeps/s390/strcspn.c
|
|
|
077c9d |
@@ -16,7 +16,9 @@
|
|
|
077c9d |
License along with the GNU C Library; if not, see
|
|
|
077c9d |
<http://www.gnu.org/licenses/>. */
|
|
|
077c9d |
|
|
|
077c9d |
-#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
|
|
|
077c9d |
+#include <ifunc-strcspn.h>
|
|
|
077c9d |
+
|
|
|
077c9d |
+#if HAVE_STRCSPN_IFUNC
|
|
|
077c9d |
# define strcspn __redirect_strcspn
|
|
|
077c9d |
/* Omit the strcspn inline definitions because it would redefine strcspn. */
|
|
|
077c9d |
# define __NO_STRING_INLINES
|
|
|
077c9d |
@@ -24,8 +26,17 @@
|
|
|
077c9d |
# undef strcspn
|
|
|
077c9d |
# include <ifunc-resolve.h>
|
|
|
077c9d |
|
|
|
077c9d |
-s390_vx_libc_ifunc2_redirected (__redirect_strcspn, __strcspn, strcspn)
|
|
|
077c9d |
+# if HAVE_STRCSPN_C
|
|
|
077c9d |
+extern __typeof (__redirect_strcspn) STRCSPN_C attribute_hidden;
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
+
|
|
|
077c9d |
+# if HAVE_STRCSPN_Z13
|
|
|
077c9d |
+extern __typeof (__redirect_strcspn) STRCSPN_Z13 attribute_hidden;
|
|
|
077c9d |
+# endif
|
|
|
077c9d |
|
|
|
077c9d |
-#else
|
|
|
077c9d |
-# include <string/strcspn.c>
|
|
|
077c9d |
-#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
|
|
|
077c9d |
+s390_libc_ifunc_expr (__redirect_strcspn, strcspn,
|
|
|
077c9d |
+ (HAVE_STRCSPN_Z13 && (hwcap & HWCAP_S390_VX))
|
|
|
077c9d |
+ ? STRCSPN_Z13
|
|
|
077c9d |
+ : STRCSPN_DEFAULT
|
|
|
077c9d |
+ )
|
|
|
077c9d |
+#endif /* HAVE_STRCSPN_IFUNC */
|