[Bug target/110331] ppc64 vec_extract with constant index is suboptimal on P8

[guihaoc at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110331

--- Comment #1 from HaoChen Gui <guihaoc at gcc dot gnu.org> ---
Even the P9 assembly is not good, as vextu* has a higher lantency than mfvsrd. 
        li 9,12
        vextubrx 3,9,2