1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_ARM_COMPILER_H 3 #define __ASM_ARM_COMPILER_H 4 5 /* 6 * This is used to ensure the compiler did actually allocate the register we 7 * asked it for some inline assembly sequences. Apparently we can't trust 8 * the compiler from one version to another so a bit of paranoia won't hurt. 9 * This string is meant to be concatenated with the inline asm string and 10 * will cause compilation to stop on mismatch. 11 * (for details, see gcc PR 15089) 12 * For compatibility with clang, we have to specifically take the equivalence 13 * of 'r11' <-> 'fp' and 'r12' <-> 'ip' into account as well. 14 */ 15 #define __asmeq(x, y) \ 16 ".ifnc " x "," y "; " \ 17 ".ifnc " x y ",fpr11; " \ 18 ".ifnc " x y ",r11fp; " \ 19 ".ifnc " x y ",ipr12; " \ 20 ".ifnc " x y ",r12ip; " \ 21 ".err; " \ 22 ".endif; " \ 23 ".endif; " \ 24 ".endif; " \ 25 ".endif; " \ 26 ".endif\n\t" 27 28 29 #endif /* __ASM_ARM_COMPILER_H */