1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _TOOLS_ASM_ALTERNATIVE_ASM_H 3 #define _TOOLS_ASM_ALTERNATIVE_ASM_H 4 5 #if defined(__s390x__) 6 #ifdef __ASSEMBLY__ 7 .macro ALTERNATIVE oldinstr, newinstr, feature 8 \oldinstr 9 .endm 10 #endif 11 #else 12 13 /* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */ 14 15 #define ALTERNATIVE # 16 17 #endif 18 19 #endif 20