Expansions

The option -xcg89 is a macro for -xtarget=ss2, which is equivalent to -xarch=v7 -xchip=old -xcache=64/32/1.

The option -xcg92 is a macro for -xtarget=ss1000, which is equivalent to

-xarch=v8 -xchip=super -xcache=16/64/4:1024/64/1.