[PATCH] D128881: [RISCV] Avoid unnecessary stack align
luxufan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 29 23:19:09 PDT 2022
StephenFan created this revision.
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The stack align is done in PEI's `calculateFrameObjectOffsets` method.
Here we don't need to do stack align again.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D128881
Files:
llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
Index: llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -255,15 +255,6 @@
// Get the number of bytes to allocate from the FrameInfo.
uint64_t FrameSize = MFI.getStackSize();
- // Get the alignment.
- Align StackAlign = getStackAlign();
-
- // Make sure the frame is aligned.
- FrameSize = alignTo(FrameSize, StackAlign);
-
- // Update frame info.
- MFI.setStackSize(FrameSize);
-
// When using SP or BP to access stack objects, we may require extra padding
// to ensure the bottom of the RVV stack is correctly aligned within the main
// stack. We calculate this as the amount required to align the scalar local
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