Fix wrong op match in peephole optimization#322
Open
tobiichi3227 wants to merge 1 commit intosysprog21:masterfrom
Open
Fix wrong op match in peephole optimization#322tobiichi3227 wants to merge 1 commit intosysprog21:masterfrom
tobiichi3227 wants to merge 1 commit intosysprog21:masterfrom
Conversation
ChAoSUnItY
approved these changes
Apr 10, 2026
This file contains hidden or 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
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Summary by cubic
Fixes the peephole optimization to correctly detect and fold a double bitwise NOT. The rule now reduces ~(~x) to x without hitting the arithmetic negate path.
Written for commit 32ba47a. Summary will update on new commits.