llvm-project

Commit Graph

Author	SHA1	Message	Date
Sam Parker	84fd0c3bf2	[ARM] Improve loop unrolling for Cortex-M - Set the default runtime unroll count to 4 and use the newly added UnrollRemainder option. - Create loop cost and force unroll for a cost less than 12. - Disable unrolling on Thumb1 only targets. Differential Revision: https://reviews.llvm.org/D36134 llvm-svn: 310997	2017-08-16 07:42:44 +00:00
Sam Parker	19a08e42a8	[ARM] Enable partial and runtime unrolling Enable runtime and partial loop unrolling of simple loops without calls on M-class cores. The thresholds are calculated based on whether the target is Thumb or Thumb-2. Differential Revision: https://reviews.llvm.org/D34619 llvm-svn: 308956	2017-07-25 08:51:30 +00:00

Author

SHA1

Message

Date

Sam Parker

84fd0c3bf2

[ARM] Improve loop unrolling for Cortex-M

- Set the default runtime unroll count to 4 and use the newly added
  UnrollRemainder option.
- Create loop cost and force unroll for a cost less than 12.
- Disable unrolling on Thumb1 only targets.

Differential Revision: https://reviews.llvm.org/D36134

llvm-svn: 310997

2017-08-16 07:42:44 +00:00

Sam Parker

19a08e42a8

[ARM] Enable partial and runtime unrolling

Enable runtime and partial loop unrolling of simple loops without
calls on M-class cores. The thresholds are calculated based on
whether the target is Thumb or Thumb-2.

Differential Revision: https://reviews.llvm.org/D34619

llvm-svn: 308956

2017-07-25 08:51:30 +00:00

2 Commits