ARM: Optimize Div/Rem by 2^n for non-negative dividends
When it can be proved that dividends are non-negative or the min integer
if their type is integral, there is no need to generate instructions
correcting the result.
The CL implements this optimization for ARM32/ARM64.
Test: 411-checker-hdiv-hrem-pow2
Test: test.py --host --optimizing --jit --gtest --interpreter
Test: test.py -target --optimizing --jit --interpreter
Test: run-gtests.sh
Change-Id: I11211a42918b5801fce8e78f305e69549739c23c
10 files changed
