| Catalin Marinas | 10b663a | 2012-03-05 11:49:34 +0000 | [diff] [blame] | 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 */ |