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  1. JDK
  2. JDK-8341895

AArch64: Optimize MacroAssembler for identity bit manipulations

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    • Icon: Enhancement Enhancement
    • Resolution: Not an Issue
    • Icon: P4 P4
    • tbd
    • 17, 21, 23, 24
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      This is a more comprehensive variant of JDK-8341893: we can catch the "identity" bit manipulations and emit direct moves in those cases. This sets us up for zero-latency mov-s, or even for eliminating the mov-s altogether when source and destination registers are the same.

        1. 8341895-aarch64-masm-shifts.patch
          2 kB

            shade Aleksey Shipilev
            shade Aleksey Shipilev
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