Feature Only in Professional and Enterprise Editions Code optimization is supported only in Visual C++ Professional and Enterprise Editions. For more information, see Visual C++ Editions.
/O1 /O2
These options select a predefined set of options that affect the size and speed of files as follows:
Option | Equivalent to | Comment |
---|---|---|
/O1 (Minimize Size) | /Og /Os /Oy /Ob1 /Gs /Gf /Gy | Creates the smallest code in the majority of cases. |
/O2 (Maximize Speed) | /Og /Oi /Ot /Oy /Ob1 /Gs /Gf /Gy | Creates the fastest code in the majority of cases. (Default setting for release builds) |
x86 Specific —>
You can use other options to improve the size or speed of many applications (for example, the /G5 option to generate code optimized for the Pentium processor).
These options imply the use of the Frame-Pointer Omission (/Oy) option.
END x86 Specific
/O options (Optimize Code) | Compiler Options | Setting Compiler Options | /EH