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  1. JDK
  2. JDK-8294261

AArch64: Use pReg instead of pRegGov when possible

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    • Enhancement
    • Resolution: Fixed
    • P4
    • 20
    • 20
    • hotspot
    • None
    • b19
    • aarch64
    • generic

    Description

      Currently we allocate p0-p6 for pRegGov operand, and p0-p15 for pReg operand. The pRegGov are used as governing predicates for load/store and arithmetic. But some SVE instructions are fine to use/define p8-p15, e.g. predicate operations. We should be use pReg when possible.

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              njian Ningsheng Jian (Inactive)
              njian Ningsheng Jian (Inactive)
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                Updated:
                Resolved: