[Bug target/83789] __builtin_altivec_lvx fails for powerpc for altivec-4.c

[kaushik.phatak at kpitcummins dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83789

--- Comment #12 from Kaushikp <kaushik.phatak at kpitcummins dot com> ---
>> we're getting duplicate named patterns.
Yes, it does generate multiple patters for the concerned built-ins causing
toolchain build failure.
I think it's trying to force the same pattern for 32-bit which exist for 64-bit
causing redefinition error.