Intel® C++ Compiler XE 13.1 User and Reference Guides

_writegsbase_u32(), _writegsbase_u64()

Write the value to the GS base register.

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. Both intrinsics are mapped to WRGSBASE instruction.

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

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