Improve divide and modulo

Registered by Michael Hope on 2012-06-26

The integer divide routines were written some time ago. Check and update. Compare against compiler-rt. Check the visibility of .divsi3_skip_div0_test.

Blueprint information

Status:
Not started
Approver:
Michael Hope
Priority:
Medium
Drafter:
Michael Hope
Direction:
Approved
Assignee:
None
Definition:
Discussion
Series goal:
Accepted for 4.7
Implementation:
Informational Informational
Milestone target:
milestone icon backlog

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michaelh1 did a quick test on libgcc versus compiler-rt. compiler-rt took 4.63 s on a udivsi3 micro benchmark and libgcc took 3.21 s (44 % faster).

[2013-05-28 matthew-gretton-dann] This therefore becomes a no-op. Closing in the move to Jira.

(?)

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