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Use __builtin_* in <math.h>.

Browse Source 
Also remove cruft meant to support long-obsolete compilers. More
benchmarks.

Bug: http://b/23195789
Change-Id: Ief538e41e77a77e8013b2f4f359584e8df2c47d8
This commit is contained in:
Elliott Hughes
2015-08-14 14:04:30 -07:00
parent b4f2112fa9
commit b662280aaf
2 changed files with 164 additions and 92 deletions
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124
benchmarks/math_benchmark.cpp
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@@ -65,6 +65,50 @@ void BM_math_logb::Run(int iters) {
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isfinite_macro, double)->AT_COMMON_VALS;
void BM_math_isfinite_macro::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += isfinite(v);
}
StopBenchmarkTiming();
}
#if defined(__BIONIC__)
#define test_isfinite __isfinite
#else
#define test_isfinite __finite
#endif
BENCHMARK_WITH_ARG(BM_math_isfinite, double)->AT_COMMON_VALS;
void BM_math_isfinite::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += test_isfinite(v);
}
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isinf_macro, double)->AT_COMMON_VALS;
void BM_math_isinf_macro::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += isinf(v);
}
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isinf, double)->AT_COMMON_VALS;
void BM_math_isinf::Run(int iters, double value) {
StartBenchmarkTiming();
@@ -78,6 +122,60 @@ void BM_math_isinf::Run(int iters, double value) {
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isnan_macro, double)->AT_COMMON_VALS;
void BM_math_isnan_macro::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += isnan(v);
}
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isnan, double)->AT_COMMON_VALS;
void BM_math_isnan::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += (isnan)(v);
}
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_isnormal_macro, double)->AT_COMMON_VALS;
void BM_math_isnormal_macro::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += isnormal(v);
}
StopBenchmarkTiming();
}
#if defined(__BIONIC__)
BENCHMARK_WITH_ARG(BM_math_isnormal, double)->AT_COMMON_VALS;
void BM_math_isnormal::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += (__isnormal)(v);
}
StopBenchmarkTiming();
}
#endif
BENCHMARK_NO_ARG(BM_math_sin_fast);
void BM_math_sin_fast::Run(int iters) {
StartBenchmarkTiming();
@@ -134,3 +232,29 @@ void BM_math_fpclassify::Run(int iters, double value) {
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_signbit_macro, double)->AT_COMMON_VALS;
void BM_math_signbit_macro::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += signbit(v);
}
StopBenchmarkTiming();
}
BENCHMARK_WITH_ARG(BM_math_signbit, double)->AT_COMMON_VALS;
void BM_math_signbit::Run(int iters, double value) {
StartBenchmarkTiming();
d = 0.0;
v = value;
for (int i = 0; i < iters; ++i) {
d += (__signbit)(v);
}
StopBenchmarkTiming();
}