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| author |  niranjan-nilakantan <123265571+niranjan-nilakantan@users.noreply.github.com> | 2023-05-23 09:27:11 -0700 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2023-05-23 09:27:54 -0700 |
| commit | 79ca5d7aad63973c83a4962a66ab07cd623131ea (patch) | |
| tree | aa33f6b945eaedcf9178b94850a3ccbce9231ed2 /absl/random | |
| parent | 9d43470921bef911145ad78a8e822ee1b297f937 (diff) | |
Add a declaration for __cpuid for the IntelLLVM compiler.
Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1452
__cpuid is declared in intrin.h, but is excluded on non-Windows platforms.
We add this declaration to compensate.
Fixes #1358
PiperOrigin-RevId: 534449804
Change-Id: I91027f79d8d52c4da428d5c3a53e2cec00825c13
Diffstat (limited to 'absl/random')
| -rw-r--r-- | absl/random/internal/randen_detect.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/absl/random/internal/randen_detect.cc b/absl/random/internal/randen_detect.cc index 6dababa3..bdeab877 100644 --- a/absl/random/internal/randen_detect.cc +++ b/absl/random/internal/randen_detect.cc @@ -45,6 +45,10 @@ #if defined(ABSL_INTERNAL_USE_X86_CPUID) #if defined(_WIN32) || defined(_WIN64) #include <intrin.h> // NOLINT(build/include_order) +#elif ABSL_HAVE_BUILTIN(__cpuid) +// MSVC-equivalent __cpuid intrinsic declaration for clang-like compilers +// for non-Windows build environments. +extern void __cpuid(int[4], int); #else // MSVC-equivalent __cpuid intrinsic function. static void __cpuid(int cpu_info[4], int info_type) { |