Better 64 bit shifts in NEON
Improve the variable shift of 64 bit values in NEON registers. The current version drops back into core registers which involves a expensive NEON->core move.
Useful when on the A9 and similar where 64 bit operations are done in NEON registers.
Blueprint information
- Status:
- Complete
- Approver:
- Michael Hope
- Priority:
- Medium
- Drafter:
- Michael Hope
- Direction:
- Approved
- Assignee:
- Ulrich Weigand
- Definition:
- Approved
- Series goal:
- Accepted for 4.6
- Implementation:
-
Implemented
- Milestone target:
-
4.7-2012.12
- Started by
- Michael Hope
- Completed by
- Ulrich Weigand
Related branches
Related bugs
Sprints
Whiteboard
Implemented, bootstrap and testsuite problems corrected.
There remains an additional testsuite failure (di-sync-
https:/
A new, rebased patch has now been posted upstream here:
http://
Meta:
Headline: TBD
Acceptance: TBD
Work Items
Work items:
Initial Implementation: DONE
Testing: DONE
Upstream Review: INPROGRESS
Upstream Commit: TODO
Internal Commit: TODO
Dependency tree
* Blueprints in grey have been implemented.
