================
@@ -411,13 +497,45 @@ __rdpmc(int __A) {
/// \param __A
/// Address of where to store the 32-bit \c IA32_TSC_AUX value.
/// \returns The 64-bit value of the time stamp counter.
+/// \see _rdtsc
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__rdtscp(unsigned int *__A) {
return __builtin_ia32_rdtscp(__A);
}
-#define _rdtsc() __rdtsc()
----------------
phoebewang wrote:
I think the old code is correct. The `__rdtsc` is a built in, and we have
documented in Intrinsic Guide.
https://github.com/llvm/llvm-project/pull/78613
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