1 /* CPU specific memcpy implementations. 32 bit S/390 version.
2 Copyright (C) 2012-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 #include "asm-syntax.h"
24 %r2 = target operands address
25 %r3 = source operands address
26 %r4 = number of bytes to copy. */
30 #if defined SHARED && !defined NOT_IN_libc
34 .machinemode "zarch_nohighgprs"
48 cgfi %r5,262144 # Switch to mvcle for copies >64MB
65 .machinemode "zarch_nohighgprs"
71 cgijlh %r5,0,.L_Z10_13
77 cgfi %r5,65535 # Switch to mvcle for copies >16MB
93 #include "../memcpy.S"
95 #if !defined SHARED || defined NOT_IN_libc