ARM(64): Improve the code generated for HSelect

Test: m test-art-target-run-test-566-checker-codegen-select
Test: m test-art-target-run-test-570-checker-select
Change-Id: If0140892303490701782df9a818e6d8346bf3d6c
Signed-off-by: Anton Kirilov <anton.kirilov@linaro.org>
8 files changed