1/*
2 * Based on arch/arm/include/asm/compiler.h
3 *
4 * Copyright (C) 2012 ARM Ltd.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program 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
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 */
18#ifndef __ASM_COMPILER_H
19#define __ASM_COMPILER_H
20
21/*
22 * This is used to ensure the compiler did actually allocate the register we
23 * asked it for some inline assembly sequences.  Apparently we can't trust the
24 * compiler from one version to another so a bit of paranoia won't hurt.  This
25 * string is meant to be concatenated with the inline asm string and will
26 * cause compilation to stop on mismatch.  (for details, see gcc PR 15089)
27 */
28#define __asmeq(x, y)  ".ifnc " x "," y " ; .err ; .endif\n\t"
29
30#endif	/* __ASM_COMPILER_H */
31