bpo-44878: Remove the switch from the main interpreter loop when using computed gotos. #27726
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
…e and dxprofile instrumentation into DISPATCH macro.
… no need for two nearly-duplicate dispatch tables.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There is no point in having two dispatch tables. Either we use the switch dispatch or use computed gotos. Not both.
Also moves lltrace and dxprofile code into the DISPATCH macro and friends to clarify the dispatch logic.
This also allows us to remove the loop, as all dispatching is done by some sort of goto.
But that is for another PR, as it requires reformatting over 3000 lines of code.
https://bugs.python.org/issue44878