ARM64: Improve mterp cmpl/cmpg.

Use CSET+CNEG instead of MOV+CNEG+CSEL. Prefer the
CNEG/CSET alias over the CSNEG/CSINC for readability.

Test: Run ART test suite on Nexus 9 with the interpreter.
Change-Id: I5c4fb0cf2c053904253e8e82f3e7e05c774b0583
7 files changed