tools build: Add test for presence of __get_cpuid() gcc builtin

[cascardo/linux.git] / tools / build / feature / test-get_cpuid.c

diff --git a/tools/build/feature/test-get_cpuid.c b/tools/build/feature/test-get_cpuid.c
new file mode 100644 (file)
index 0000000..d7a2c40
--- /dev/null
+++ b/tools/build/feature/test-get_cpuid.c
@@ -0,0 +1,7 @@
+#include <cpuid.h>
+
+int main(void)
+{
+       unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0;
+       return __get_cpuid(0x15, &eax, &ebx, &ecx, &edx);
+}