[SYCL] Work around codegen issue with vectors-of-3 #19087
+32
−6
Conversation
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
Vectors of length 3 have an adjusted length of 4 where the last element is poison. Copying that poison element results in wrong code being generated. Avoid that by only copying the first 3 elements.
|
Although this is a very general problem in theory, in practice it only shows up very rarely so far, but it has shown up: this PR fixes SYCL-CTS's |
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Outdated suggestions cannot be applied.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.
Vectors of length 3 have an adjusted length of 4 where the last element is poison. Copying that poison element results in wrong code being generated. Avoid that by only copying the first 3 elements.