[interp] Some cleanups and fixes for CLR interpreter#117610
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kg merged 2 commits intodotnet:mainfrom Jul 16, 2025
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cc @jkotas thank you for pointing out the issue with the use of a tag bit for helpers. this should remove it |
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Pull Request Overview
This PR implements cleanups and fixes for the CLR interpreter focused on improving portability and removing unused functionality. The changes eliminate the use of tag bits for helper function indirection (which is not portable) and remove the GC.Collect intrinsic.
Key changes include:
- Replacing tag-bit based helper function resolution with a structured approach using
InterpHelperData - Removing the
INTOP_GC_COLLECTinstruction and related intrinsic handling - Updating instruction lengths and data layouts to accommodate the new helper data structure
Reviewed Changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| src/coreclr/vm/interpexec.cpp | Replaces GetPossiblyIndirectHelper implementation and removes GC.Collect instruction handling |
| src/coreclr/interpreter/intops.def | Updates instruction lengths for helper-related opcodes and removes GC_COLLECT opcode |
| src/coreclr/interpreter/interpretershared.h | Defines new InterpHelperData structure and removes tag bit constant |
| src/coreclr/interpreter/compiler.h | Updates method signature for helper function data population |
| src/coreclr/interpreter/compiler.cpp | Implements new helper data population logic and updates debug printing |
jkotas
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Jul 14, 2025
BrzVlad
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Jul 14, 2025
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jkotas
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Jul 15, 2025
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Significantly revised based on vlad and jkotas's feedback. |
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Jul 15, 2025
kotlarmilos
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Jul 15, 2025
Checkpoint: Partial removal of tagged helper functions Update ip[] in interpexec side for helper data change Update compiler side for helper indirect tag bit removal Update opcode lengths Cleanup Address copilot review comment Speculative removal of fixme Remove INTOP_FAILFAST Add message to default opcode assert Fix Object.ctor intrinsic eating newobj opcodes Test debugging Checkpoint: Partial revert Repair revert Remove EmitCallIntrinsics Comment out broken check Repair merge damage Test debugging Remove incorrect zeroing of dreg in NEWOBJ_VT Revert diagnostic test changes Prevent newobj dvar from overlapping svars
This was referenced Jul 16, 2025
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/ba-g #117669 |
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