Put f32.const before f64.const, for consistency. #696
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…686) * Clarify that wasm may be viewed as either an AST or a stack machine. * Reword the introductory paragraph. * Add parens, remove "typed".
Make opcode 0x00 `unreachable`, and move `nop` to a non-zero opcode. All-zeros is one of the more common patterns of corrupted data. This change makes it more likely that code that is accidentally zeroed, in whole or in part, will be noticed when executed rather than silently running through a nop slide. Obviously, this doesn't matter when an opcode table is present, but if there is a default opcode table, it would presumably use the opcodes defined here.
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lgtm |
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I'm fine with all the changes you have suggested so far. But instead of making many tiny changes individually, how about a single comprehensive PR for reorganising the opcode space? That would help seeing the big picture and not fragmenting the discussion. |
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Shall we do this in 0xD? |
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Should be subsumed by #826 now. |
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This is for the binary_0xc branch, and is one step of a broader opcode reorganization.