diff options
Diffstat (limited to 'absl/random/internal/nanobenchmark.cc')
| -rw-r--r-- | absl/random/internal/nanobenchmark.cc | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/absl/random/internal/nanobenchmark.cc b/absl/random/internal/nanobenchmark.cc index 5a8b1ed1..7f37800c 100644 --- a/absl/random/internal/nanobenchmark.cc +++ b/absl/random/internal/nanobenchmark.cc @@ -59,6 +59,24 @@ #include <time.h> // NOLINT #endif +// ABSL_HAVE_ATTRIBUTE +#if !defined(ABSL_HAVE_ATTRIBUTE) +#ifdef __has_attribute +#define ABSL_HAVE_ATTRIBUTE(x) __has_attribute(x) +#else +#define ABSL_HAVE_ATTRIBUTE(x) 0 +#endif +#endif + +// ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE prevents inlining of the method. +#if ABSL_HAVE_ATTRIBUTE(noinline) || (defined(__GNUC__) && !defined(__clang__)) +#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE __attribute__((noinline)) +#elif defined(_MSC_VER) +#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE __declspec(noinline) +#else +#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE +#endif + namespace absl { namespace random_internal_nanobenchmark { namespace { @@ -658,8 +676,8 @@ Ticks TotalDuration(const Func func, const void* arg, const InputVec* inputs, } // (Nearly) empty Func for measuring timer overhead/resolution. -ABSL_ATTRIBUTE_NEVER_INLINE FuncOutput EmptyFunc(const void* arg, - const FuncInput input) { +ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE FuncOutput +EmptyFunc(const void* arg, const FuncInput input) { return input; } |