User and Reference Guide for the Intel® C++ Compiler 14.0

_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.

Parent topic: Intrinsics that Allow Reading from and Writing to the FS Base and GS Base Registers

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