P4
With JDK-8351666 we get 398 MachRegisterNumbers elements in hotspot/variant-server/gensrc/adfiles/adGlobals_ppc.hpp.
Some of these registers like R0 and R13 as well as VSR0-31 (aliases for F0-F31) are never allocated. We could try to remove these registers from the RegMask.
Some of these registers like R0 and R13 as well as VSR0-31 (aliases for F0-F31) are never allocated. We could try to remove these registers from the RegMask.
- relates to
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JDK-8351666 [PPC64] Make non-volatile VectorRegisters available for C2 register allocation
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- In Progress
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