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Berlin: make use of subroutines - eip 2315 #8702

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chriseth opened this issue Apr 20, 2020 · 2 comments
Closed
4 tasks

Berlin: make use of subroutines - eip 2315 #8702

chriseth opened this issue Apr 20, 2020 · 2 comments

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@chriseth
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chriseth commented Apr 20, 2020 •
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  • add "hasJumpsub" function to the evm version and make it return true for "berlin"
  • add the jumpsub, beginsub and returnsub opcodes to instructions.cpp (move them around and assign the correct number - do not care about breaking evm1.5).
  • make sure that jumpsub, beginsub and returnsub cannot be used in yul directly
  • change the EVMCodeTransform to use jumpsub, beginsub, returnsub for yul functions

Specification: https://eips.ethereum.org/EIPS/eip-2315
@chriseth
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Maybe we should remove evm1.5 support altogether with this change.

@cgewecke cgewecke mentioned this issue May 12, 2020
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@cameel cameel added the feature label Sep 26, 2020
@axic
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axic commented Mar 5, 2021

This was removed from Berlin, see ethereum/pm#263.

@axic axic closed this as completed Mar 5, 2021
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@axic @cameel @chriseth