[PATCH] D34815: [Power9] Spill gprs to vector registers rather than stack

[Zaara Syeda via Phabricator via llvm-commits]

syzaara updated this revision to Diff 108980.
syzaara added a comment.

Only spill to volatile vsrs as spilling to non-volatile increases prologue/epilogue and leads to performance degradation.


https://reviews.llvm.org/D34815

Files:
  lib/Target/PowerPC/PPCInstrInfo.cpp
  lib/Target/PowerPC/PPCInstrVSX.td
  lib/Target/PowerPC/PPCRegisterInfo.cpp
  lib/Target/PowerPC/PPCRegisterInfo.td
  test/CodeGen/PowerPC/gpr-vsr-spill.ll
  test/CodeGen/PowerPC/gpr-vsr-spill2.ll

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