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authorUlrich Drepper <drepper@redhat.com>2001-03-28 20:55:07 +0000
committerUlrich Drepper <drepper@redhat.com>2001-03-28 20:55:07 +0000
commit0a51f0ac0fb51735184c7c149e80be74efbac418 (patch)
treebf512395f41103d9e8244963dfc745c5e9d56aee /sysdeps/s390/s390-32
parent397fa4517335f314675e4fd2432fc6f5fe9626b0 (diff)
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Update.
* sysdeps/s390/bits/string.h: New unified 31/64 bit string.h. * sysdeps/s390/s390-32/bits/string.h: Remove. * sysdeps/s390/s390-64/bits/string.h: Remove. * sysdeps/s390/s390-32/strcmp.S: New file. * sysdeps/s390/s390-64/strcmp.S: New file. 2001-03-27 Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'sysdeps/s390/s390-32')
-rw-r--r--sysdeps/s390/s390-32/bits/string.h154
-rw-r--r--sysdeps/s390/s390-32/strcmp.S41
2 files changed, 41 insertions, 154 deletions
diff --git a/sysdeps/s390/s390-32/bits/string.h b/sysdeps/s390/s390-32/bits/string.h
deleted file mode 100644
index 7474244a1d..0000000000
--- a/sysdeps/s390/s390-32/bits/string.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/* Optimized, inlined string functions. s390 version.
- Copyright (C) 2000, 2001 Free Software Foundation, Inc.
- Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
- 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#ifndef _STRING_H
-# error "Never use <bits/string.h> directly; include <string.h> instead."
-#endif
-
-/* The s390 processors can access unaligned multi-byte variables. */
-#define _STRING_ARCH_unaligned 1
-
-
-/* We only provide optimizations if the user selects them and if
- GNU CC is used. */
-#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
- && defined __GNUC__ && __GNUC__ >= 2
-
-#ifndef __STRING_INLINE
-# ifdef __cplusplus
-# define __STRING_INLINE inline
-# else
-# define __STRING_INLINE extern __inline
-# endif
-#endif
-
-#define _HAVE_STRING_ARCH_strlen 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE size_t
-strlen (__const char *__str)
-{
- size_t __len;
-
- __asm__ __volatile__ (" sr 0,0\n"
- " lr %0,%1\n"
- "0: srst 0,%0\n"
- " jo 0b\n"
- " lr %0,0\n"
- " sr %0,%1"
- : "=&a" (__len) : "a" (__str)
- : "cc", "0" );
- return __len;
-}
-#endif
-
-/* Copy SRC to DEST. */
-#define _HAVE_STRING_ARCH_strcpy 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strcpy (char *__dest, __const char *__src)
-{
- char *tmp = __dest;
-
- __asm__ __volatile__ (" sr 0,0\n"
- "0: mvst %0,%1\n"
- " jo 0b"
- : "+&a" (__dest), "+&a" (__src) :
- : "cc", "memory", "0" );
- return tmp;
-}
-#endif
-
-#define _HAVE_STRING_ARCH_strncpy 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strncpy (char *__dest, __const char *__src, size_t __n)
-{
- char *tmp = __dest;
-
- if (__n <= 0)
- return tmp;
- __asm__ __volatile (" slr %0,%1\n"
- "0: icm 0,1,0(%1)\n"
- " stc 0,0(%0,%1)\n"
- " jz 2f\n"
- " la %1,1(%1)\n"
- " brct %2,0b\n"
- " j 3f\n"
- "1: la %1,1(%1)\n"
- " stc 0,0(%0,%1)\n"
- "2: brct %2,1b\n"
- "3:"
- : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
- : "cc", "memory", "0" );
- return tmp;
-}
-#endif
-
-/* Append SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strcat 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strcat(char *__dest, const char *__src)
-{
- char *tmp = __dest;
-
- __asm__ __volatile__ (" sr 0,0\n"
- "0: srst 0,%0\n"
- " jo 0b\n"
- " lr %0,0\n"
- " sr 0,0\n"
- "1: mvst %0,%1\n"
- " jo 1b"
- : "+&a" (__dest), "+&a" (__src) :
- : "cc", "memory", "0" );
- return tmp;
-}
-#endif
-
-/* Append no more than N characters from SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strncat 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strncat (char *__dest, __const char *__src, size_t __n)
-{
- char *tmp = __dest;
-
- if (__n <= 0)
- return tmp;
- __asm__ __volatile__ (" sr 0,0\n"
- "0: srst 0,%0\n"
- " jo 0b\n"
- " lr %0,0\n"
- " slr %0,%1\n"
- "1: icm 0,1,0(%1)\n"
- " stc 0,0(%0,%1)\n"
- " jz 2f\n"
- " la %1,1(%1)\n"
- " brct %2,1b\n"
- " la %0,0(%0,%1)\n"
- " xc 0(1,%0),0(%0)\n"
- "2:"
- : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
- : "cc", "memory", "0" );
- return tmp;
-}
-#endif
-
-#endif /* Use string inlines && GNU CC. */
diff --git a/sysdeps/s390/s390-32/strcmp.S b/sysdeps/s390/s390-32/strcmp.S
new file mode 100644
index 0000000000..230e92f9b7
--- /dev/null
+++ b/sysdeps/s390/s390-32/strcmp.S
@@ -0,0 +1,41 @@
+/* strcmp - compare two string. S/390 version.
+ This file is part of the GNU C Library.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* INPUT PARAMETERS
+ %r2 = address of string 1
+ %r3 = address of string 2. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(strcmp)
+ slr %r0,%r0
+0: clst %r2,%r3
+ jo 0b
+ jp 1f
+ jm 2f
+ slr %r2,%r2
+ br %r14
+1: lhi %r2,1
+ br %r14
+2: lhi %r2,-1
+ br %r14
+END(strcmp)