Hi Roger,
Your patch doesn't introduce new regressions. However, before pushing
to the mainline you need to fix some issues:
1. Please fix the trailing spaces and blocks of 8 spaces which should
be replaced with tabs. You can use check_GNU_style.py script to spot
them.
2. Please use capital
This patch completes the ARC back-end's transition to using pre-reload
splitters for SImode shifts and rotates on targets without a barrel
shifter. The core part is that the shift_si3 define_insn is no longer
needed, as shifts and rotates that don't require a loop are split
before reload, and
