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* 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>
This commit is contained in:
Ulrich Drepper 2001-03-28 20:55:07 +00:00
parent 397fa45173
commit 0a51f0ac0f
6 changed files with 321 additions and 307 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2001-03-27 Martin Schwidefsky <schwidefsky@de.ibm.com>
* 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>
* sysdeps/unix/sysv/linux/s390/s390-32/sys/ucontext.h: Fix typo.

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sysdeps/s390/bits/string.h Normal file
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/* Optimized, inlined string functions. S/390 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)
{
char *__ptr, *__tmp;
__ptr = (char *) 0;
__tmp = (char *) __str;
__asm__ __volatile__ (" la 0,0\n"
"0: srst %0,%1\n"
" jo 0b\n"
: "+&a" (__ptr), "+&a" (__tmp) :
: "cc", "0" );
return (size_t) (__ptr - __str);
}
#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__ (" la 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 *__ret = __dest;
char *__ptr;
size_t __diff;
if (__n > 0) {
__diff = (size_t) (__dest - __src);
__ptr = (char *) __src;
__asm__ __volatile__ (" j 1f\n"
"0: la %0,1(%0)\n"
"1: icm 0,1,0(%0)\n"
" stc 0,0(%2,%0)\n"
" jz 3f\n"
#if defined(__s390x__)
" brctg %1,0b\n"
#else
" brct %1,0b\n"
#endif
" j 4f\n"
"2: la %0,1(%0)\n"
" stc 0,0(%2,%0)\n"
#if defined(__s390x__)
"3: brctg %1,2b\n"
#else
"3: brct %1,2b\n"
#endif
"4:"
: "+&a" (__ptr), "+&a" (__n) : "a" (__diff)
: "cc", "0" );
}
return __ret;
}
#endif
/* Append SRC onto DEST. */
#define _HAVE_STRING_ARCH_strcat 1
#ifndef _FORCE_INLINES
__STRING_INLINE char *
strcat(char *__dest, const char *__src)
{
char *__ret = __dest;
char *__ptr, *__tmp;
/* Move __ptr to the end of __dest. */
__ptr = (char *) 0;
__tmp = __dest;
__asm__ __volatile__ (" la 0,0\n"
"0: srst %0,%1\n"
" jo 0b\n"
: "+&a" (__ptr), "+&a" (__tmp) :
: "cc", "0" );
/* Now do the copy. */
__asm__ __volatile__ (" la 0,0\n"
"0: mvst %0,%1\n"
" jo 0b"
: "+&a" (__ptr), "+&a" (__src) :
: "cc", "0" );
return __ret;
}
#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 *__ret = __dest;
char *__ptr, *__tmp;
size_t __diff;
if (__n > 0) {
/* Move __ptr to the end of __dest. */
__ptr = (char *) 0;
__tmp = __dest;
__asm__ __volatile__ (" la 0,0\n"
"0: srst %0,%1\n"
" jo 0b\n"
: "+&a" (__ptr), "+&a" (__tmp) :
: "cc", "0" );
__diff = (size_t) (__ptr - __src);
__tmp = (char *) __src;
__asm__ __volatile__ (" j 1f\n"
"0: la %0,1(%0)\n"
"1: icm 0,1,0(%0)\n"
" stc 0,0(%2,%0)\n"
" jz 2f\n"
#if defined(__s390x__)
" brctg %1,0b\n"
#else
" brct %1,0b\n"
#endif
" slr 0,0\n"
" stc 0,1(%2,%0)\n"
"2:"
: "+&a" (__tmp), "+&a" (__n) : "a" (__diff)
: "cc", "0" );
}
return __ret;
}
#endif
/* Search N bytes of S for C. */
#define _HAVE_STRING_ARCH_memchr 1
#ifndef _FORCE_INLINES
__STRING_INLINE void *
memchr (__const void *__str, int __c, size_t __n)
{
char *__ptr, *__tmp;
__tmp = (char *) __str;
__ptr = (char *) __tmp + __n;
__asm__ __volatile__ (" lhi 0,0xff\n"
" nr 0,%2\n"
"0: srst %0,%1\n"
" jo 0b\n"
" brc 13,1f\n"
" la %0,0\n"
"1:"
: "+&a" (__ptr), "+&a" (__tmp) : "d" (__c)
: "cc", "0" );
return __ptr;
}
#endif
/* Search N bytes of S for C. */
#define _HAVE_STRING_ARCH_memchr 1
#ifndef _FORCE_INLINES
__STRING_INLINE int
strcmp (__const char *__s1, __const char *__s2)
{
char *__p1, *__p2;
int __ret;
__p1 = (char *) __s1;
__p2 = (char *) __s2;
__asm__ __volatile__ (" slr 0,0\n"
"0: clst %1,%2\n"
" jo 0b\n"
" ipm %0\n"
" srl %0,28"
: "=d" (__ret), "+&a" (__p1), "+&a" (__p2) :
: "cc", "0" );
__ret = (__ret == 0) ? 0 : (__ret == 1) ? -1 : 1;
return __ret;
}
#endif
#endif /* Use string inlines && GNU CC. */

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sysdeps/s390/s390-32/bits/string.h
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@ -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. */

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sysdeps/s390/s390-32/strcmp.S Normal file
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/* 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)

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sysdeps/s390/s390-64/bits/string.h
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@ -1,153 +0,0 @@
/* Optimized, inlined string functions. 64 bit S/390 version.
Copyright (C) 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__ (" sgr 0,0\n"
" lgr %0,%1\n"
"0: srst 0,%0\n"
" jo 0b\n"
" lgr %0,0\n"
" sgr %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__ (" sgr 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 (" slgr %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__ (" sgr 0,0\n"
"0: srst 0,%0\n"
" jo 0b\n"
" lgr %0,0\n"
" sgr 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__ (" sgr 0,0\n"
"0: srst 0,%0\n"
" jo 0b\n"
" lgr %0,0\n"
" slgr %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. */

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sysdeps/s390/s390-64/strcmp.S Normal file
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/* strcmp - compare two string. 64 bit 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
slgr %r2,%r2
br %r14
1: lghi %r2,1
br %r14
2: lghi %r2,-1
br %r14
END(strcmp)