| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef __ASM_ARM_COMPILER_H | |
| #define __ASM_ARM_COMPILER_H | |
| /* | |
| * This is used to ensure the compiler did actually allocate the register we | |
| * asked it for some inline assembly sequences. Apparently we can't trust | |
| * the compiler from one version to another so a bit of paranoia won't hurt. | |
| * This string is meant to be concatenated with the inline asm string and | |
| * will cause compilation to stop on mismatch. | |
| * (for details, see gcc PR 15089) | |
| * For compatibility with clang, we have to specifically take the equivalence | |
| * of 'r11' <-> 'fp' and 'r12' <-> 'ip' into account as well. | |
| */ | |
| #define __asmeq(x, y) \ | |
| ".ifnc " x "," y "; " \ | |
| ".ifnc " x y ",fpr11; " \ | |
| ".ifnc " x y ",r11fp; " \ | |
| ".ifnc " x y ",ipr12; " \ | |
| ".ifnc " x y ",r12ip; " \ | |
| ".err; " \ | |
| ".endif; " \ | |
| ".endif; " \ | |
| ".endif; " \ | |
| ".endif; " \ | |
| ".endif\n\t" | |
| #endif /* __ASM_ARM_COMPILER_H */ |