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Merge pull request #9289 from ethereum/doc-jumpdest

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[DOCS] Added jumpdest to yul doc.
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chriseth 2020-07-02 14:18:01 +02:00 committed by GitHub
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docs/yul.rst
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@ -30,7 +30,7 @@ The design of Yul tries to achieve several goals:
In order to achieve the first and second goal, Yul provides high-level constructs In order to achieve the first and second goal, Yul provides high-level constructs
like ``for`` loops, ``if`` and ``switch`` statements and function calls. These should like ``for`` loops, ``if`` and ``switch`` statements and function calls. These should
be sufficient for adequately representing the control flow for assembly programs. be sufficient for adequately representing the control flow for assembly programs.
Therefore, no explicit statements for ``SWAP``, ``DUP``, ``JUMP`` and ``JUMPI`` Therefore, no explicit statements for ``SWAP``, ``DUP``, ``JUMPDEST``, ``JUMP`` and ``JUMPI``
are provided, because the first two obfuscate the data flow are provided, because the first two obfuscate the data flow
and the last two obfuscate control flow. Furthermore, functional statements of and the last two obfuscate control flow. Furthermore, functional statements of
the form ``mul(add(x, y), 7)`` are preferred over pure opcode statements like the form ``mul(add(x, y), 7)`` are preferred over pure opcode statements like