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| author | Craig Topper <craig.topper@sifive.com> | 2022-05-03 19:29:33 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2022-05-03 19:35:21 -0700 |
| commit | 9cce9a126cca662316e650f9111fc715dc3e0351 (patch) | |
| tree | 8ff48e0fd71b0618c4bce99d4353da34dc5e1e3c /llvm/lib/CodeGen/MachineModuleInfo.cpp | |
| parent | 097181974067ff9372faccfd419a51f9ba662443 (diff) | |
| download | llvm-9cce9a126cca662316e650f9111fc715dc3e0351.zip llvm-9cce9a126cca662316e650f9111fc715dc3e0351.tar.gz llvm-9cce9a126cca662316e650f9111fc715dc3e0351.tar.bz2 | |
[RISCV] Make use of SHXADD instructions in RVV spill/reload code.
We can use SH1ADD, SH2ADD, SH3ADD to multipy by 3, 5, and 9 respectively.
We could extend this to 3, 5, or 9 multiplied by a power 2 by also
emitting a SLLI.
Reviewed By: reames
Differential Revision: https://reviews.llvm.org/D124824
Diffstat (limited to 'llvm/lib/CodeGen/MachineModuleInfo.cpp')
0 files changed, 0 insertions, 0 deletions