Intel® C++ Compiler 19.0 Developer Guide and Reference

_writegsbase_u32(), _writegsbase_u64()

Write the value to the GS base register. Both intrinsics are mapped to WRGSBASE instruction.

Syntax

_writegsbase_u32(int 32 val)

extern void _writegsbase_u64(unsigned __int64 val);

Arguments

val

the value to be written to the GS base register

Description

These intrinsics write the given value to the GS segment base register.