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pulley: Implement a new br_table instruction #9659

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pulley: Implement a new br_table instruction #9659

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Commits on Nov 22, 2024

  1. pulley: Implement a new br_table instruction 

    This is intended to match WebAssembly's `br_table` and Cranelift's
version as well. This is implemented as a new `br_table32` opcode where
a 32-bit number of branch targets are encoded after `br_table32` all as
a `PcRelOffset`, a 32-bit offset. This helps bake in a more "macro
opcode" into the interpreter rather than a handful of more primitive
opcodes that would achieve the same result with loads/indirect
jumps/comparisons/etc.
    @alexcrichton
    alexcrichton committed Nov 22, 2024
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  2. Fix disassembling

    @alexcrichton
    alexcrichton committed Nov 22, 2024
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