== Issue ==
* None.
== Progress ==
* Commit three patches to enhance shrink-wrap for loop. But community
reports an ICE in dwarf info with the patches. (TCWG-133, 5/10)
* Update/test shrink-wrap for apcs patch according to comments (TCWG-482, 2/10)
* Loop-invariant heuristic tuning (TCWG-763, 2
== Progress ==
* TCWG-413 (8/10) sha1 performance
- Looked at IRA dumps and aarch64 target hooks.
- GCC now uses FP registers as register class and this results in lots
of fmovs for the test-case.
- Discussed in list and tried spill_class hook for aarch64. This helps
sha1.
- Regression tested t
