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Type:
Enhancement
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Resolution: Fixed
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Priority:
P4
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Affects Version/s: 23
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Component/s: hotspot
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b11
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riscv
The maximum reach for calls using auipc + jal, is PC +- (2GB-2k).
auipc(bit 30-12) = PC + 0x7FFFF000 (bit 31 is sign bit)
jalr (bit 10-0) = REG + 0x7FF (bit 11 is sign bit)
The maximum CadeCache is 2GB, if we reduce a tiny bit for RV we are guaranteed the short encoding for all intra-calls.
auipc(bit 30-12) = PC + 0x7FFFF000 (bit 31 is sign bit)
jalr (bit 10-0) = REG + 0x7FF (bit 11 is sign bit)
The maximum CadeCache is 2GB, if we reduce a tiny bit for RV we are guaranteed the short encoding for all intra-calls.
