Prefer movw movt over literal pools where possible.

Registered by Ramana Radhakrishnan on 2012-05-29

Look at https://bugs.launchpad.net/gcc-linaro/+bug/886124 for more information. There are a number of places where this shows up as an issue in the headroom analysis that was done with respect to benchmarks.

Blueprint information

Status:
Complete
Approver:
Michael Hope
Priority:
Medium
Drafter:
Michael Hope
Direction:
Approved
Assignee:
Zhenqiang Chen
Definition:
Approved
Series goal:
Accepted for 4.7
Implementation:
Informational Informational
Milestone target:
milestone icon backlog
Started by
Michael Hope on 2012-06-21
Completed by
Matthew Gretton-Dann on 2013-03-21

Whiteboard

[matthew-gretton-dann 2013-03-21] This is now covered by TCWG-17

Headline: Improve selection of MOVW/MOVT compared to use of literal pools in GCC
Acceptance: Patches accepted upstream and backported to Linaro GCC
Roadmap id: CARD-304

(?)

Work Items

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