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Author SHA1 Message Date
Zarko Todorovski 6d648e69c0 [AIX] Add support for non var_arg extended vector ABI calling convention on AIX 
This patch enables passing non variadic vector type parameters on the caller and callee side and vector return on AIX that are passed in vector registers only.

So far, support is enabled for only the AIX extended Altivec ABI Calling convention.

Reviewed By: sfertile, DiggerLin

Differential Revision: https://reviews.llvm.org/D86476
 2020-11-26 12:03:51 -05:00
Zarko Todorovski c92f29b05e [AIX] Add mabi=vec-extabi options to enable the AIX extended and default vector ABIs. 
Added support for the options mabi=vec-extabi and mabi=vec-default which are analogous to qvecnvol and qnovecnvol when using XL on AIX.
The extended Altivec ABI on AIX is enabled using mabi=vec-extabi in clang and vec-extabi in llc.

Reviewed By: Xiangling_L, DiggerLin

Differential Revision: https://reviews.llvm.org/D89684
 2020-11-24 18:17:53 -05:00