[all-commits] [llvm/llvm-project] 4beea6: [PowerPC] lower partial vector store cost (#78358)

[RolandF77 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4beea6b195585e4d9e196a9a2b0bb79a9c040788
      https://github.com/llvm/llvm-project/commit/4beea6b195585e4d9e196a9a2b0bb79a9c040788
  Author: RolandF77 <55763885+RolandF77 at users.noreply.github.com>
  Date:   2024-01-23 (Tue, 23 Jan 2024)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/PowerPC/load_store.ll

  Log Message:
  -----------
  [PowerPC] lower partial vector store cost (#78358)

There are matching store opcodes (stfd, stxsiwx) for the load opcodes
that make 32-bit and 64-bit vector operations cheap with VSX, so stores
should also be cheap.