Specifies AltiVec™ vector options.
-vector keyword[,...]
The options for keyword are:
on
Generate AltiVec vectors and related instructions.
off
Do not generate AltiVec vectors and related instructions.
vrsave
Generate AltiVec vectors and instructions that use VRSAVE prologue and epilogue code.
novrsave
Do not use VRSAVE code. This option is the default.