Enables code in function prologs and epilogs to maintain the VRSAVE register.
.-vrsave---. >>- -q--+-novrsave-+-------------------------------------------><
where:
vrsave | Prologs and epilogs of functions in the compilation unit include code needed to maintain the VRSAVE register. |
novrsave | Prologs and epilogs of functions in the compilation unit do not include code needed to maintain the VRSAVE register. |
Use #pragma altivec_vrsave to override the current setting of this compiler option for individual functions within your program source.
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