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  1. JDK
  2. JDK-8205475

AARCH64: optimize FPU loads and stores in C1_Runtime1_aarch64.cpp

    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 11
    • Fix Version/s: 11
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b20
    • CPU:
      aarch64

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        Description

        save_live_registers(...), restore_live_registers(...) and restore_live_registers_except_r0(...) are using ldp/stp (pair of registers) for FPU registers, where it can be ld1/st1, which use 4 registers per instruction

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                • Assignee:
                  dpochepk Dmitrij Pochepko
                  Reporter:
                  dpochepk Dmitrij Pochepko
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                    Updated:
                    Resolved: