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perf(evm): improve shift RA in EVM JIT#350

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starwarfan wants to merge 2 commits intoDTVMStack:mainfrom
starwarfan:jit-shift-ra
Closed

perf(evm): improve shift RA in EVM JIT#350
starwarfan wants to merge 2 commits intoDTVMStack:mainfrom
starwarfan:jit-shift-ra

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@starwarfan
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1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

  • N
  • Y

2. What is the scope of this PR (e.g. component or file name):

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

  • Affects user behaviors
  • Contains CI/CD configuration changes
  • Contains documentation changes
  • Contains experimental features
  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

  • N
  • Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

  • Unit test
  • Integration test
  • Benchmark (add benchmark stats below)
  • Manual test (add detailed scripts or steps below)
  • Other

6. Release note

None

@@ -0,0 +1,226 @@
# JIT Compilation Performance Analysis: RA-Expensive Opcodes

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You could consider adding helper/host functions and dynamically choose between expanding the dmir or calling the helper/host function during compilation based on the situation.

@starwarfan starwarfan closed this Feb 12, 2026
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