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Will the new Solidity language impact significantly EVM?

MarioFortierMarioFortier Boston, MAMember Posts: 30 ✭
in Protocol and Client discussion
Will the new primitive data type and function support require major changes to the VM specs? If yes, please let me know briefly about what to expect in PoC7.

Example: multiple stack/memory container of different types, new opcodes specific to int/u256/real, new call stack framing, or even may be... are you guys still considering llvm?

Thanks.
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Comments

  • JasperJasper Eindhoven, the NetherlandsMember Posts: 514 ✭✭✭
    Probably what they will do there will affect their thinking about the EVM? But then, in-principle stuff-compiling-to-it and the EVM itself are separate things.

    ABI suggests using uint32/uint64 etcetera. .. Of course, things can be compiled to look like those things, but I do think uint64 calculations in-EVM would be simple to implement would be faster, not sure how fast the bigint operations for small numbers. The gas is currently also dealt with with a bigint, so doing uint64 operations wouldnt gain as much without changing that too. Of course it is critical that the gas counter does not overflow. So the gas limit in a single Tx would have to be smaller than 10^19(< 2^64), probably more than ever needed. Also, this increases the surface area for bugs a bit.
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