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scarv / xcrypto

XCrypto: a cryptographic ISE for RISC-V
MIT License
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Packed shift by immediate - shamt field should be narrower #76

Open ben-marshall opened 5 years ago

ben-marshall commented 5 years ago

The v1.* packed shift / rotate instructions shift by upto 16, so the shamt field can be two bits narrower than it currently is.