search for: webassemblyasmparser

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2018 Dec 04
2
MC Assembler / tablegen: actually parsing variable_ops
...Target)GenAsmMatcher.inc) simply assumes that variable_ops are not to be parsed (match table: Convert_NoOperands). Now I understand that a variable length instruction is a weird concept for most CPUs, but we need it for at least one instruction in WebAssembly. We can probably hack around it in the WebAssemblyAsmParser, but I wonder if there's something I am not understanding about variable_ops and the generated asm matcher that might make for a cleaner solution. The instruction in question: https://github.com/llvm-mirror/llvm/blob/master/lib/Target/WebAssembly/WebAssemblyInstrControl.td#L45 -------------- n...