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#include <benchmark/benchmark.h>
#include <fxdiv.h>
static void fxdiv_mulext_uint32_t(benchmark::State& state) {
uint32_t c = UINT32_C(0x1971DB6B);
benchmark::DoNotOptimize(&c);
uint32_t d = c;
while (state.KeepRunning()) {
const uint64_t product = fxdiv_mulext_uint32_t(c, d++);
benchmark::DoNotOptimize(product);
}
}
BENCHMARK(fxdiv_mulext_uint32_t);
static void native_mulext_uint32_t(benchmark::State& state) {
uint32_t c = UINT32_C(0x1971DB6B);
benchmark::DoNotOptimize(&c);
uint32_t d = c;
while (state.KeepRunning()) {
const uint64_t product = (uint64_t) c * (uint64_t) (d++);
benchmark::DoNotOptimize(product);
}
}
BENCHMARK(native_mulext_uint32_t);
static void fxdiv_mulhi_uint32_t(benchmark::State& state) {
const uint32_t c = UINT32_C(0x1971DB6B);
uint32_t x = c;
while (state.KeepRunning()) {
const uint32_t product = fxdiv_mulhi_uint32_t(c, x++);
benchmark::DoNotOptimize(product);
}
}
BENCHMARK(fxdiv_mulhi_uint32_t);
static void fxdiv_mulhi_uint64_t(benchmark::State& state) {
const uint64_t c = UINT64_C(0x425E892B38148FAD);
uint64_t x = c;
while (state.KeepRunning()) {
const uint64_t product = fxdiv_mulhi_uint64_t(c, x++);
benchmark::DoNotOptimize(product);
}
}
BENCHMARK(fxdiv_mulhi_uint64_t);
BENCHMARK_MAIN();
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