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pankkor/escape_clobber.c

Last active February 5, 2023 18:08
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escape_clobber.c
// disable optimisations
#ifdef _MSC_VER
#pragma optimize("", off)
inline void bench_opt_off(const void*) {}
#pragma optimize("", on)
#define ESCAPE(p) bench_opt_off(p)
#define CLOBBER(p) bench_opt_off(p)
#else
#define ESCAPE(p) asm volatile("" : : "m"(p) : "memory")
#define CLOBBER() asm volatile("" : : : "memory")
#endif // #ifdef _MSC_VER
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