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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _TOOLS_ASM_ALTERNATIVE_ASM_H3#define _TOOLS_ASM_ALTERNATIVE_ASM_H4 5#if defined(__s390x__)6#ifdef __ASSEMBLY__7.macro ALTERNATIVE oldinstr, newinstr, feature8 \oldinstr9.endm10#endif11#else12 13/* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */14 15#define ALTERNATIVE #16 17#endif18 19#endif20