diff options
Diffstat (limited to 'REORG.TODO/sysdeps/s390/s390-64/memchr.S')
| -rw-r--r-- | REORG.TODO/sysdeps/s390/s390-64/memchr.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/s390-64/memchr.S b/REORG.TODO/sysdeps/s390/s390-64/memchr.S new file mode 100644 index 0000000000..7deee3d6f3 --- /dev/null +++ b/REORG.TODO/sysdeps/s390/s390-64/memchr.S @@ -0,0 +1,40 @@ +/* Search a character in a block of memory. 64 bit S/390 version. + Copyright (C) 2001-2017 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 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/>. */ + +/* INPUT PARAMETERS + %r2 = address to memory area + %r3 = character to find + %r4 = number of bytes to search. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY(memchr) + lghi %r0,0xff + ngr %r0,%r3 + lgr %r1,%r2 + la %r2,0(%r4,%r1) +0: srst %r2,%r1 + jo 0b + brc 13,1f + slgr %r2,%r2 +1: br %r14 +END(memchr) +libc_hidden_builtin_def (memchr) |