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author | 2016-01-29 11:47:40 +0100 | |
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committer | 2016-01-29 11:47:40 +0100 | |
commit | 042050ef67a0d320469a6f8ca74bd8684ec4c409 (patch) | |
tree | 842576848565813c5f33e21fc06ad058f43a8963 /benchmarks/eminline_noasm.cpp | |
parent | 1319453a84718ec50aafdb030eca3bac201995e3 (diff) |
Added Google Benchmark library (nw)
Included sample benchmark for eminline for native and noasm
Made GoogleTest compile only if tests are compiled
Diffstat (limited to 'benchmarks/eminline_noasm.cpp')
-rw-r--r-- | benchmarks/eminline_noasm.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/benchmarks/eminline_noasm.cpp b/benchmarks/eminline_noasm.cpp new file mode 100644 index 00000000000..43c9e36b020 --- /dev/null +++ b/benchmarks/eminline_noasm.cpp @@ -0,0 +1,24 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic + +#include "benchmark/benchmark_api.h" +#include <time.h> +#include "osdcore.h" +#include "osdcomm.h" +#define MAME_NOASM 1 +osd_ticks_t osd_ticks(void) +{ + // use the standard library clock function + return clock(); +} +#include "eminline.h" + +static void BM_count_leading_zeros_noasm(benchmark::State& state) { + UINT32 cnt = 0x332533; + while (state.KeepRunning()) { + (void)count_leading_zeros(cnt); + cnt++; + } +} +// Register the function as a benchmark +BENCHMARK(BM_count_leading_zeros_noasm); |