Turn off 64-bit Bitops in Neon in GCC
Turn off the 64-bitops in Neon support for various ARM cores on a CPU by CPU basis. By default this feature will be turned off for all current CPUs.
Blueprint information
- Status:
- Complete
- Approver:
- Michael Hope
- Priority:
- Medium
- Drafter:
- Matthew Gretton-Dann
- Direction:
- Approved
- Assignee:
- Christophe Lyon
- Definition:
- Approved
- Series goal:
- Accepted for 4.7
- Implementation:
-
Implemented
- Milestone target:
-
4.7-2013.04
- Started by
- Michael Hope
- Completed by
- Christophe Lyon
Related branches
Related bugs
Sprints
Whiteboard
[christophe-lyon 2013-03-21]
Committed upstream as svn 196876.
[christophe-lyon 2013-02-11]
Patch has been accepted upstream for 4.9-stage1
[christophe-lyon 2013-04-08]
Patch committed upstream.
Patch backported to linaro-4.7 and linaro-4.8
Meta:
Headline: Enable 64-bitops support in NEON on a core by core basis
Acceptance: Patches accepted upstream
Roadmap id: CARD-304
Work Items
Work items:
Add support to GCC for per-CPU control of Neon 64-bit bitops: DONE
Document: DONE
Have upstream approve patch: DONE
Run weekly tests with feature on to ensure it doesn't regress: TODO
Dependency tree
* Blueprints in grey have been implemented.
