64 bit divide by constant

Registered by Michael Hope

GCC can convert a 32 bit divide by constant into the corresponding multiplies and shifts. Implement the same for 64 bit values.

PENDING: we found this but michaelh1 can't remember where.

Blueprint information

Status:
Complete
Approver:
Michael Hope
Priority:
Medium
Drafter:
Michael Hope
Direction:
Approved
Assignee:
None
Definition:
Approved
Series goal:
Accepted for 4.6
Implementation:
Informational Informational
Milestone target:
milestone icon backlog
Started by
Matthew Gretton-Dann
Completed by
Matthew Gretton-Dann

Related branches

Sprints

Whiteboard

Being discussed by a 3rd party upstream. Up to a 5x improvement for some values.
[2013-05-22 matthew-gretton-dann] Moved to Jira: http://cards.linaro.org/browse/TCWG-68

(?)

Work Items

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