| /* Set a block of memory to some byte value. For IBM S390 |
| Copyright (C) 2012-2014 Free Software Foundation, Inc. |
| 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/>. */ |
| |
| |
| #include "sysdep.h" |
| #include "asm-syntax.h" |
| |
| /* INPUT PARAMETERS |
| %r2 = address to memory area |
| %r3 = byte to fill memory with |
| %r4 = number of bytes to fill. */ |
| |
| .text |
| |
| #ifdef USE_MULTIARCH |
| ENTRY(memset_g5) |
| #else |
| ENTRY(memset) |
| #endif |
| .machine "g5" |
| basr %r5,0 |
| .L_G5_19: |
| ltr %r4,%r4 |
| je .L_G5_4 |
| stc %r3,0(%r2) |
| chi %r4,1 |
| lr %r1,%r2 |
| je .L_G5_4 |
| ahi %r4,-2 |
| lr %r3,%r4 |
| srl %r3,8 |
| ltr %r3,%r3 |
| jne .L_G5_14 |
| ex %r4,.L_G5_20-.L_G5_19(%r5) |
| .L_G5_4: |
| br %r14 |
| .L_G5_14: |
| mvc 1(256,%r1),0(%r1) |
| la %r1,256(%r1) |
| brct %r3,.L_G5_14 |
| ex %r4,.L_G5_20-.L_G5_19(%r5) |
| j .L_G5_4 |
| .L_G5_20: |
| mvc 1(1,%r1),0(%r1) |
| #ifdef USE_MULTIARCH |
| END(memset_g5) |
| #else |
| END(memset) |
| libc_hidden_builtin_def (memset) |
| #endif |
