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3 Commits

Author SHA1 Message Date
Zarko Todorovski be7d425edc [PPC][AIX] Add vector callee saved registers for AIX extended vector ABI 
This patch is the initial patch for support of the AIX extended vector ABI.  The extended ABI treats vector registers V20-V31 as non-volatile and we add them as callee saved registers in this patch.

Reviewed By: sfertile

Differential Revision: https://reviews.llvm.org/D88676
 2020-11-24 23:01:51 -05:00
Sean Fertile d6c8736287 [PowerPC][AIX] Spill CSRs to the ABI specified stack offsets. 
Extend the CSR save/restore insertion code to support both 32-bit and
64-bit AIX.

Differential Revision: https://reviews.llvm.org/D79252
 2020-05-26 12:24:29 -04:00
Sean Fertile 8efc2f5723 [PowerPC][AIX] Spill/restore the callee-saved condition register bits. 
Extends the existing support for spilling and restoring the condition
register to the linkage area for 32-bit targets, and enables for AIX.

Differential Revision: https://reviews.llvm.org/D74349
 2020-02-24 11:24:46 -05:00