Instruction table #759
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Instruction table #759
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DaniPopes
approved these changes
Oct 2, 2023
| @@ -829,6 +847,16 @@ const fn make_gas_table(spec: SpecId) -> [OpInfo; 256] { | |||
| table | |||
| } | |||
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| pub fn make_instruction_table<H: Host, SPEC: Spec>() -> [Instruction<H>; 256] { | |||
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I think this and instruction can be made const
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Tried it and the problem it with Host it errors with something like "cant use parent generic" or something in that tone.
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Put all instructions in the table and allow the table to be initialized. This is the first step towards introduction of custom opcodes.
Additionally, specify a Boxed instruction that is a little bit less performant (10-20%) but allows the use of closure over instructions.
An example of boxed instruction is used for
Inspector, this is a step forward in having custom handles for some or all instructions.The plain instruction table had the same performance as the previous eval fn that used
match(0.01% invariance with cachegrind)Removed generic of
INSTRUCTIONas benefits are neglectable, and code clarity is increased. Now EVMImpl hasOptionover instruction which is a lot nicer.Removed
stepandstep_endfromHosttrait as closure over instruction allows us the same behaviour.