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EIP-7937 EVM64 - 64-bit mode EVM opcodes

DraftCorecreated 2025-04-232 later proposals build on it

Multibyte opcodes for 64-bit arithmetic, comparison, bitwise and flow operations in EVM.

Author: Wei Tang (@sorpaas)

Built on by (2)

Later proposals that name this one in their requires field.

EIP-7957EVM64 - EOF supportEIP-7958EVM64 - Little endian opcodes

What the specification covers

AbstractMotivationSpecificationPrefix opcode behaviorGeneral 64-bit mode behaviorGas cost constantsArithmetic opcodesComparison and bitwise opcodesJUMP, JUMPIRationaleDiscussionsPrefix (modes) opcodesOptimization assumptionsEndiannessPOP, DUP, SWAPDrawbacksBackwards CompatibilityTest CasesReference ImplementationSecurity ConsiderationsCopyright

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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