brintrinsics.cpp File Reference

Include dependency graph for brintrinsics.cpp:

Functions
uint64_t	_xgetbv (uint_t xcr) BURGER_NOEXCEPT
	Intrinsic _xgetbv for Intel CPUs.

Function Documentation

_xgetbv()

uint64_t _xgetbv

(

uint_t

xcr

)

Intrinsic _xgetbv for Intel CPUs.

---

This intrinsic is included in most modern "C" compilers that target Intel CPUs. For some older compilers, the intrinsic is implemented in Burgerlib to ensure it's always available.

Note

Only available on Intel platforms, however test if the instruction is available.

Parameters

xcr	Value for the ECX register

Returns

Value returned by the xgetbv instruction