xref: /aosp_15_r20/external/FXdiv/bench/init.cc (revision 46dbe23922d2f68acf6638846c68716fcec3e8fa) 
1*46dbe239SXin Li #include <benchmark/benchmark.h>
2*46dbe239SXin Li 
3*46dbe239SXin Li #include <fxdiv.h>
4*46dbe239SXin Li 
init_uint32_t(benchmark::State & state)5*46dbe239SXin Li static void init_uint32_t(benchmark::State& state) {
6*46dbe239SXin Li 	uint32_t d = UINT32_C(0x1971DB6B);
7*46dbe239SXin Li 	while (state.KeepRunning()) {
8*46dbe239SXin Li 		const fxdiv_divisor_uint32_t divisor = fxdiv_init_uint32_t(d++);
9*46dbe239SXin Li 		benchmark::DoNotOptimize(divisor);
10*46dbe239SXin Li 	}
11*46dbe239SXin Li }
12*46dbe239SXin Li BENCHMARK(init_uint32_t);
13*46dbe239SXin Li 
init_uint64_t(benchmark::State & state)14*46dbe239SXin Li static void init_uint64_t(benchmark::State& state) {
15*46dbe239SXin Li 	uint64_t d = UINT64_C(0x425E892B38148FAD);
16*46dbe239SXin Li 	while (state.KeepRunning()) {
17*46dbe239SXin Li 		const fxdiv_divisor_uint64_t divisor = fxdiv_init_uint64_t(d++);
18*46dbe239SXin Li 		benchmark::DoNotOptimize(divisor);
19*46dbe239SXin Li 	}
20*46dbe239SXin Li }
21*46dbe239SXin Li BENCHMARK(init_uint64_t);
22*46dbe239SXin Li 
23*46dbe239SXin Li BENCHMARK_MAIN();
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