AArch64: replace tst+br with tbz instruction when tst's constant operand is 2 power

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    • b126
    • aarch64

      Tst+br code sequence exist in places like MacroAssembler::char_arrays_equals, interpreter, etc. They can replaced with tbz instruction.

            Assignee:
            Hui Shi
            Reporter:
            Hui Shi
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