diff options
Diffstat (limited to 'sysdeps/s390/bits/string.h')
| -rw-r--r-- | sysdeps/s390/bits/string.h | 88 |
1 files changed, 45 insertions, 43 deletions
diff --git a/sysdeps/s390/bits/string.h b/sysdeps/s390/bits/string.h index 4aeb146f3e..76e16d980b 100644 --- a/sysdeps/s390/bits/string.h +++ b/sysdeps/s390/bits/string.h @@ -1,4 +1,4 @@ -/* Optimized, inlined string functions. s390 version. +/* Optimized, inlined string functions. s390 version. Copyright (C) 2000 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -10,13 +10,13 @@ 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 + 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. */ + Boston, MA 02111-1307, USA. */ #ifndef _STRING_H # error "Never use <bits/string.h> directly; include <string.h> instead." @@ -44,13 +44,13 @@ 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" ); + " 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; } @@ -62,10 +62,10 @@ 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" ); + "0: mvst %0,%1\n" + " jo 0b" + : "+&a" (__dest), "+&a" (__src) : + : "cc", "memory", "0" ); return tmp; } @@ -76,20 +76,20 @@ 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" + 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" ); + "3:" + : "+&a" (__dest), "+&a" (__src), "+&d" (__n) : + : "cc", "memory", "0" ); return tmp; } @@ -101,18 +101,18 @@ 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" ); + "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; } -/* Append no more than N characters from SRC onto DEST. */ +/* Append no more than N characters from SRC onto DEST. */ #define _HAVE_STRING_ARCH_strncat 1 __STRING_INLINE char * strncat (char *__dest, __const char *__src, size_t __n) @@ -120,20 +120,22 @@ strncat (char *__dest, __const char *__src, size_t __n) char *tmp = __dest; if (__n <= 0) - return tmp; + return tmp; __asm__ __volatile__ (" sr 0,0\n" - "0: srst 0,%0\n" - " jo 0b\n" - " lr %0,0\n" - " slr %0,%1\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" ); + : "+&a" (__dest), "+&a" (__src), "+&d" (__n) : + : "cc", "memory", "0" ); return tmp; } |