techflashYT b3dd0995df cmake: don't auto vectorize with AltiVec on PPC ...

Allowing GCC/Clang to auto-vectorize with AltiVec support breaks support
for non-AltiVec compatible processors.  Adding this option allows the
existing AltiVec specific code to function as it always did, but
prevents the compiler from inserting AltiVec instructions into arbitrary
codepaths that SDL can't gate off via the existing CPUInfo code.

2025-10-30 21:56:52 -07:00

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