Revert "Revert "Fuse long and FP compare & condition on ARM64 in Optimizing.""

This reverts commit bed50d2430e02a3d6b94972e8ab4873d7b3b8be0.

Bug: 21120453
Change-Id: I5e4aab2703966d9324ebde25bd8b83056fdb10ed
2 files changed