-Xreserve_r2

This option reserves the r2 register.

[Specification format]

-Xreserve_r2

-	Interpretation when omitted

The compiler uses the r2 register without reserving it.

[Detailed description]

-	This option reserves the r2 register and generates code that does not use this register by the compiler.

[Example of use]

-	To reserve the r2 register and generates code that does not use this register by the compiler, describe as:

>asrh -Xreserve_r2 -Xcommon=rh850 main.asm