[PATCH] D56703: PowerPC: Fix register spilling for SPE registers

[Justin Hibbits via Phabricator via llvm-commits]

jhibbits created this revision.
jhibbits added reviewers: nemanjai, hfinkel, joerg.
Herald added subscribers: llvm-commits, jsji, kbarton.

Missed in the original commit, use the correct callee-saved register
list for spilling, instead of the standard SVR432 list.  This avoids
needlessly spilling the SPE non-volatile registers when they're not used.

As part of this, also add where missing, and sort, the spill opcode
checks for SPE and SPE4 register classes.


Repository:
  rL LLVM

https://reviews.llvm.org/D56703

Files:
  lib/Target/PowerPC/PPCCallingConv.td
  lib/Target/PowerPC/PPCInstrInfo.cpp
  lib/Target/PowerPC/PPCRegisterInfo.cpp

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