mtune

Performs optimizations for a specified CPU.

IDE Equivalent

None

Architectures

IA-32, Intel® Itanium® architecture

Syntax

Linux and Mac OS:	-mtune=processor
Windows:	None

Arguments

processor	Is the CPU. Possible values on IA-32 systems are:
	pentium	Optimizes for Intel® Pentium® processors.
	pentiumpro	Optimizes for Intel® Pentium® Pro, Intel Pentium II, and Intel Pentium III processors.
	pentium4	Optimizes for Inte®l Pentium® 4 processors.
	pentium-mmx	Optimizes for Intel® Pentium® with MMX™ technology.
	Possible values on Itanium®-based systems are:
	itanium	Optimizes for Intel® Itanium® processors.
	itanium2	Optimizes for Intel® Itanium® 2 processors.
	itanium2-p9000	Optimizes for Dual-Core Intel® Itanium® 2 Processor 9000 Sequence processors. This option affects the order of the generated instructions, but the generated instructions are limited to Intel® Itanium® 2 processor instructions unless the program uses (executes) intrinsics specific to the Dual-Core Intel® Itanium® 2 Processor 9000 Sequence processors.

Default

pentium4	On IA-32 systems, the compiler optimizes for Intel Pentium 4 processors.
itanium2	On Itanium®-based systems, the compiler optimizes for Intel® Itanium® 2 processors.

Description

This option performs optimizations for a specified CPU.

Alternate Options

mtune=itanium2-p9000

Linux: mcpu=itanium2-p9000
Mac OS: None
Windows: G2-p9000