[PATCH] D157373: [RISCV] add a compress optimization for stack inst.

lcvon via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 14 06:34:21 PDT 2023


lcvon007 marked an inline comment as done.
lcvon007 added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVFrameLowering.cpp:1313
+    // be compressed.
+    if (STI.hasStdExtC()) {
+      // riscv32: c.lwsp rd, offset[7:2] => 2^(6 + 2)
----------------
craig.topper wrote:
> What about Zca?
I agree with you about Zca, and have added it yet.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157373/new/

https://reviews.llvm.org/D157373



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