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{
"comments": ["This file describes the WebAssembly ISA.",
"Scripts in this folder auto-generate C++ code for JavaScriptCore as well as the testing DSL which WebKit's WebAssembly tests use."
],
"preamble": [
{ "name": "magic number", "type": "uint32", "value": 1836278016, "description": "NULL character followed by 'asm'" },
{ "name": "version", "type": "uint32", "value": 1, "description": "Version number" }
],
"type" : {
"i32": { "type": "varint7", "value": -1, "b3type": "B3::Int32" },
"i64": { "type": "varint7", "value": -2, "b3type": "B3::Int64" },
"f32": { "type": "varint7", "value": -3, "b3type": "B3::Float" },
"f64": { "type": "varint7", "value": -4, "b3type": "B3::Double" },
"anyfunc": { "type": "varint7", "value": -16, "b3type": "B3::Void" },
"func": { "type": "varint7", "value": -32, "b3type": "B3::Void" },
"void": { "type": "varint7", "value": -64, "b3type": "B3::Void" }
},
"value_type": ["i32", "i64", "f32", "f64"],
"block_type": ["i32", "i64", "f32", "f64", "void"],
"elem_type": ["anyfunc"],
"external_kind": {
"Function": { "type": "uint8", "value": 0 },
"Table": { "type": "uint8", "value": 1 },
"Memory": { "type": "uint8", "value": 2 },
"Global": { "type": "uint8", "value": 3 }
},
"section" : {
"Type": { "type": "varuint7", "value": 1, "description": "Function signature declarations" },
"Import": { "type": "varuint7", "value": 2, "description": "Import declarations" },
"Function": { "type": "varuint7", "value": 3, "description": "Function declarations" },
"Table": { "type": "varuint7", "value": 4, "description": "Indirect function table and other tables" },
"Memory": { "type": "varuint7", "value": 5, "description": "Memory attributes" },
"Global": { "type": "varuint7", "value": 6, "description": "Global declarations" },
"Export": { "type": "varuint7", "value": 7, "description": "Exports" },
"Start": { "type": "varuint7", "value": 8, "description": "Start function declaration" },
"Element": { "type": "varuint7", "value": 9, "description": "Elements section" },
"Code": { "type": "varuint7", "value": 10, "description": "Function bodies (code)" },
"Data": { "type": "varuint7", "value": 11, "description": "Data segments" }
},
"opcode": {
"unreachable": { "category": "control", "value": 0, "return": [], "parameter": [], "immediate": [], "description": "trap immediately" },
"block": { "category": "control", "value": 2, "return": ["control"], "parameter": [], "immediate": [{"name": "sig", "type": "block_type"}], "description": "begin a sequence of expressions, yielding 0 or 1 values" },
"loop": { "category": "control", "value": 3, "return": ["control"], "parameter": [], "immediate": [{"name": "sig", "type": "block_type"}], "description": "begin a block which can also form control flow loops" },
"if": { "category": "control", "value": 4, "return": ["control"], "parameter": ["bool"], "immediate": [{"name": "sig", "type": "block_type"}], "description": "begin if expression" },
"else": { "category": "control", "value": 5, "return": ["control"], "parameter": [], "immediate": [], "description": "begin else expression of if" },
"select": { "category": "control", "value": 27, "return": ["prev"], "parameter": ["any", "prev", "bool"], "immediate": [], "description": "select one of two values based on condition" },
"br": { "category": "control", "value": 12, "return": [], "parameter": [], "immediate": [{"name": "relative_depth", "type": "varuint32"}], "description": "break that targets an outer nested block" },
"br_if": { "category": "control", "value": 13, "return": [], "parameter": [], "immediate": [{"name": "relative_depth", "type": "varuint32"}], "description": "conditional break that targets an outer nested block" },
"br_table": { "category": "control", "value": 14, "return": [], "parameter": [], "immediate": [{"name": "target_count", "type": "varuint32", "description": "number of entries in the target_table"},
{"name": "target_table", "type": "varuint32*", "description": "target entries that indicate an outer block or loop to which to break"},
{"name": "default_target", "type": "varuint32", "description": "an outer block or loop to which to break in the default case"}],
"description": "branch table control flow construct" },
"return": { "category": "control", "value": 15, "return": [], "parameter": [], "immediate": [], "description": "return zero or one value from this function" },
"drop": { "category": "control", "value": 26, "return": [], "parameter": ["any"], "immediate": [], "description": "ignore value" },
"nop": { "category": "control", "value": 1, "return": [], "parameter": [], "immediate": [], "description": "no operation" },
"end": { "category": "control", "value": 11, "return": [], "parameter": [], "immediate": [], "description": "end a block, loop, or if" },
"i32.const": { "category": "special", "value": 65, "return": ["i32"], "parameter": [], "immediate": [{"name": "value", "type": "varint32"}], "description": "a constant value interpreted as i32" },
"i64.const": { "category": "special", "value": 66, "return": ["i64"], "parameter": [], "immediate": [{"name": "value", "type": "varint64"}], "description": "a constant value interpreted as i64" },
"f64.const": { "category": "special", "value": 68, "return": ["f64"], "parameter": [], "immediate": [{"name": "value", "type": "double"}], "description": "a constant value interpreted as f64" },
"f32.const": { "category": "special", "value": 67, "return": ["f32"], "parameter": [], "immediate": [{"name": "value", "type": "float"}], "description": "a constant value interpreted as f32" },
"get_local": { "category": "special", "value": 32, "return": ["any"], "parameter": [], "immediate": [{"name": "local_index", "type": "varuint32"}], "description": "read a local variable or parameter" },
"set_local": { "category": "special", "value": 33, "return": [], "parameter": ["any"], "immediate": [{"name": "local_index", "type": "varuint32"}], "description": "write a local variable or parameter" },
"tee_local": { "category": "special", "value": 34, "return": ["any"], "parameter": ["any"], "immediate": [{"name": "local_index", "type": "varuint32"}], "description": "write a local variable or parameter and return the same value" },
"get_global": { "category": "special", "value": 35, "return": ["any"], "parameter": [], "immediate": [{"name": "global_index", "type": "varuint32"}], "description": "read a global variable" },
"set_global": { "category": "special", "value": 36, "return": [], "parameter": ["any"], "immediate": [{"name": "global_index", "type": "varuint32"}], "description": "write a global variable" },
"call": { "category": "call", "value": 16, "return": ["call"], "parameter": ["call"], "immediate": [{"name": "function_index", "type": "varuint32"}], "description": "call a function by its index" },
"call_indirect": { "category": "call", "value": 17, "return": ["call"], "parameter": ["call"], "immediate": [{"name": "type_index", "type": "varuint32"}, {"name": "reserved", "type": "varuint1"}], "description": "call a function indirect with an expected signature" },
"i32.load8_s": { "category": "memory", "value": 44, "return": ["i32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i32.load8_u": { "category": "memory", "value": 45, "return": ["i32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i32.load16_s": { "category": "memory", "value": 46, "return": ["i32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i32.load16_u": { "category": "memory", "value": 47, "return": ["i32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load8_s": { "category": "memory", "value": 48, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load8_u": { "category": "memory", "value": 49, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load16_s": { "category": "memory", "value": 50, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load16_u": { "category": "memory", "value": 51, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load32_s": { "category": "memory", "value": 52, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load32_u": { "category": "memory", "value": 53, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i32.load": { "category": "memory", "value": 40, "return": ["i32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i64.load": { "category": "memory", "value": 41, "return": ["i64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"f32.load": { "category": "memory", "value": 42, "return": ["f32"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"f64.load": { "category": "memory", "value": 43, "return": ["f64"], "parameter": ["addr"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "load from memory" },
"i32.store8": { "category": "memory", "value": 58, "return": [], "parameter": ["addr", "i32"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i32.store16": { "category": "memory", "value": 59, "return": [], "parameter": ["addr", "i32"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i64.store8": { "category": "memory", "value": 60, "return": [], "parameter": ["addr", "i64"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i64.store16": { "category": "memory", "value": 61, "return": [], "parameter": ["addr", "i64"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i64.store32": { "category": "memory", "value": 62, "return": [], "parameter": ["addr", "i64"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i32.store": { "category": "memory", "value": 54, "return": [], "parameter": ["addr", "i32"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"i64.store": { "category": "memory", "value": 55, "return": [], "parameter": ["addr", "i64"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"f32.store": { "category": "memory", "value": 56, "return": [], "parameter": ["addr", "f32"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"f64.store": { "category": "memory", "value": 57, "return": [], "parameter": ["addr", "f64"], "immediate": [{"name": "flags", "type": "varuint32"}, {"name": "offset", "type": "varuint32"}], "description": "store to memory" },
"current_memory": { "category": "operation", "value": 63, "return": ["size"], "parameter": [], "immediate": [{"name": "flags", "type": "varuint32"}], "description": "query the size of memory" },
"grow_memory": { "category": "operation", "value": 64, "return": ["size"], "parameter": ["size"], "immediate": [{"name": "flags", "type": "varuint32"}], "description": "grow the size of memory" },
"i32.add": { "category": "arithmetic", "value": 106, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Add" },
"i32.sub": { "category": "arithmetic", "value": 107, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Sub" },
"i32.mul": { "category": "arithmetic", "value": 108, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Mul" },
"i32.div_s": { "category": "arithmetic", "value": 109, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [] },
"i32.div_u": { "category": "arithmetic", "value": 110, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [] },
"i32.rem_s": { "category": "arithmetic", "value": 111, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [] },
"i32.rem_u": { "category": "arithmetic", "value": 112, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [] },
"i32.and": { "category": "arithmetic", "value": 113, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "BitAnd" },
"i32.or": { "category": "arithmetic", "value": 114, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "BitOr" },
"i32.xor": { "category": "arithmetic", "value": 115, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "BitXor" },
"i32.shl": { "category": "arithmetic", "value": 116, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Shl" },
"i32.shr_u": { "category": "arithmetic", "value": 118, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "ZShr" },
"i32.shr_s": { "category": "arithmetic", "value": 117, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "SShr" },
"i32.rotr": { "category": "arithmetic", "value": 120, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "RotR" },
"i32.rotl": { "category": "arithmetic", "value": 119, "return": ["i32"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "RotL" },
"i32.eq": { "category": "comparison", "value": 70, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Equal" },
"i32.ne": { "category": "comparison", "value": 71, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "NotEqual" },
"i32.lt_s": { "category": "comparison", "value": 72, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "LessThan" },
"i32.le_s": { "category": "comparison", "value": 76, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "LessEqual" },
"i32.lt_u": { "category": "comparison", "value": 73, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Below" },
"i32.le_u": { "category": "comparison", "value": 77, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "BelowEqual" },
"i32.gt_s": { "category": "comparison", "value": 74, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "GreaterThan" },
"i32.ge_s": { "category": "comparison", "value": 78, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "GreaterEqual" },
"i32.gt_u": { "category": "comparison", "value": 75, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "Above" },
"i32.ge_u": { "category": "comparison", "value": 79, "return": ["bool"], "parameter": ["i32", "i32"], "immediate": [], "b3op": "AboveEqual" },
"i32.clz": { "category": "arithmetic", "value": 103, "return": ["i32"], "parameter": ["i32"], "immediate": [], "b3op": "Clz" },
"i32.ctz": { "category": "arithmetic", "value": 104, "return": ["i32"], "parameter": ["i32"], "immediate": [] },
"i32.popcnt": { "category": "arithmetic", "value": 105, "return": ["i32"], "parameter": ["i32"], "immediate": [] },
"i32.eqz": { "category": "comparison", "value": 69, "return": ["bool"], "parameter": ["i32"], "immediate": [], "b3op": "Equal(i32(0), @0)" },
"i64.add": { "category": "arithmetic", "value": 124, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Add" },
"i64.sub": { "category": "arithmetic", "value": 125, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Sub" },
"i64.mul": { "category": "arithmetic", "value": 126, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Mul" },
"i64.div_s": { "category": "arithmetic", "value": 127, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [] },
"i64.div_u": { "category": "arithmetic", "value": 128, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [] },
"i64.rem_s": { "category": "arithmetic", "value": 129, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [] },
"i64.rem_u": { "category": "arithmetic", "value": 130, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [] },
"i64.and": { "category": "arithmetic", "value": 131, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "BitAnd" },
"i64.or": { "category": "arithmetic", "value": 132, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "BitOr" },
"i64.xor": { "category": "arithmetic", "value": 133, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "BitXor" },
"i64.shl": { "category": "arithmetic", "value": 134, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Shl(@0, Trunc(@1))" },
"i64.shr_u": { "category": "arithmetic", "value": 136, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "ZShr(@0, Trunc(@1))" },
"i64.shr_s": { "category": "arithmetic", "value": 135, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "SShr(@0, Trunc(@1))" },
"i64.rotr": { "category": "arithmetic", "value": 138, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "RotR(@0, Trunc(@1))" },
"i64.rotl": { "category": "arithmetic", "value": 137, "return": ["i64"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "RotL(@0, Trunc(@1))" },
"i64.eq": { "category": "comparison", "value": 81, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Equal" },
"i64.ne": { "category": "comparison", "value": 82, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "NotEqual" },
"i64.lt_s": { "category": "comparison", "value": 83, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "LessThan" },
"i64.le_s": { "category": "comparison", "value": 87, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "LessEqual" },
"i64.lt_u": { "category": "comparison", "value": 84, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Below" },
"i64.le_u": { "category": "comparison", "value": 88, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "BelowEqual" },
"i64.gt_s": { "category": "comparison", "value": 85, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "GreaterThan" },
"i64.ge_s": { "category": "comparison", "value": 89, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "GreaterEqual" },
"i64.gt_u": { "category": "comparison", "value": 86, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "Above" },
"i64.ge_u": { "category": "comparison", "value": 90, "return": ["bool"], "parameter": ["i64", "i64"], "immediate": [], "b3op": "AboveEqual" },
"i64.clz": { "category": "arithmetic", "value": 121, "return": ["i64"], "parameter": ["i64"], "immediate": [], "b3op": "Clz" },
"i64.ctz": { "category": "arithmetic", "value": 122, "return": ["i64"], "parameter": ["i64"], "immediate": [] },
"i64.popcnt": { "category": "arithmetic", "value": 123, "return": ["i64"], "parameter": ["i64"], "immediate": [] },
"i64.eqz": { "category": "comparison", "value": 80, "return": ["bool"], "parameter": ["i64"], "immediate": [], "b3op": "Equal(i64(0), @0)" },
"f32.add": { "category": "arithmetic", "value": 146, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Add" },
"f32.sub": { "category": "arithmetic", "value": 147, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Sub" },
"f32.mul": { "category": "arithmetic", "value": 148, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Mul" },
"f32.div": { "category": "arithmetic", "value": 149, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Div" },
"f32.min": { "category": "arithmetic", "value": 150, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Select(Equal(@0, @1), BitOr(@0, @1), Select(LessThan(@0, @1), @0, @1))" },
"f32.max": { "category": "arithmetic", "value": 151, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Select(Equal(@0, @1), BitAnd(@0, @1), Select(LessThan(@0, @1), @1, @0))" },
"f32.abs": { "category": "arithmetic", "value": 139, "return": ["f32"], "parameter": ["f32"], "immediate": [], "b3op": "Abs" },
"f32.neg": { "category": "arithmetic", "value": 140, "return": ["f32"], "parameter": ["f32"], "immediate": [], "b3op": "Neg" },
"f32.copysign": { "category": "arithmetic", "value": 152, "return": ["f32"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "BitwiseCast(BitOr(BitAnd(BitwiseCast(@1), i32(0x80000000)), BitAnd(BitwiseCast(@0), i32(0x7fffffff))))" },
"f32.ceil": { "category": "arithmetic", "value": 141, "return": ["f32"], "parameter": ["f32"], "immediate": [], "b3op": "Ceil" },
"f32.floor": { "category": "arithmetic", "value": 142, "return": ["f32"], "parameter": ["f32"], "immediate": [], "b3op": "Floor" },
"f32.trunc": { "category": "arithmetic", "value": 143, "return": ["f32"], "parameter": ["f32"], "immediate": [] },
"f32.nearest": { "category": "arithmetic", "value": 144, "return": ["f32"], "parameter": ["f32"], "immediate": [] },
"f32.sqrt": { "category": "arithmetic", "value": 145, "return": ["f32"], "parameter": ["f32"], "immediate": [], "b3op": "Sqrt" },
"f32.eq": { "category": "comparison", "value": 91, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "Equal" },
"f32.ne": { "category": "comparison", "value": 92, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "NotEqual" },
"f32.lt": { "category": "comparison", "value": 93, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "LessThan" },
"f32.le": { "category": "comparison", "value": 95, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "LessEqual" },
"f32.gt": { "category": "comparison", "value": 94, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "GreaterThan" },
"f32.ge": { "category": "comparison", "value": 96, "return": ["bool"], "parameter": ["f32", "f32"], "immediate": [], "b3op": "GreaterEqual" },
"f64.add": { "category": "arithmetic", "value": 160, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Add" },
"f64.sub": { "category": "arithmetic", "value": 161, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Sub" },
"f64.mul": { "category": "arithmetic", "value": 162, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Mul" },
"f64.div": { "category": "arithmetic", "value": 163, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Div" },
"f64.min": { "category": "arithmetic", "value": 164, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Select(Equal(@0, @1), BitOr(@0, @1), Select(LessThan(@0, @1), @0, @1))" },
"f64.max": { "category": "arithmetic", "value": 165, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Select(Equal(@0, @1), BitAnd(@0, @1), Select(LessThan(@0, @1), @1, @0))" },
"f64.abs": { "category": "arithmetic", "value": 153, "return": ["f64"], "parameter": ["f64"], "immediate": [], "b3op": "Abs" },
"f64.neg": { "category": "arithmetic", "value": 154, "return": ["f64"], "parameter": ["f64"], "immediate": [], "b3op": "Neg" },
"f64.copysign": { "category": "arithmetic", "value": 166, "return": ["f64"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "BitwiseCast(BitOr(BitAnd(BitwiseCast(@1), i64(0x8000000000000000)), BitAnd(BitwiseCast(@0), i64(0x7fffffffffffffff))))" },
"f64.ceil": { "category": "arithmetic", "value": 155, "return": ["f64"], "parameter": ["f64"], "immediate": [], "b3op": "Ceil" },
"f64.floor": { "category": "arithmetic", "value": 156, "return": ["f64"], "parameter": ["f64"], "immediate": [], "b3op": "Floor" },
"f64.trunc": { "category": "arithmetic", "value": 157, "return": ["f64"], "parameter": ["f64"], "immediate": [] },
"f64.nearest": { "category": "arithmetic", "value": 158, "return": ["f64"], "parameter": ["f64"], "immediate": [] },
"f64.sqrt": { "category": "arithmetic", "value": 159, "return": ["f64"], "parameter": ["f64"], "immediate": [], "b3op": "Sqrt" },
"f64.eq": { "category": "comparison", "value": 97, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "Equal" },
"f64.ne": { "category": "comparison", "value": 98, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "NotEqual" },
"f64.lt": { "category": "comparison", "value": 99, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "LessThan" },
"f64.le": { "category": "comparison", "value": 101, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "LessEqual" },
"f64.gt": { "category": "comparison", "value": 100, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "GreaterThan" },
"f64.ge": { "category": "comparison", "value": 102, "return": ["bool"], "parameter": ["f64", "f64"], "immediate": [], "b3op": "GreaterEqual" },
"i32.trunc_s/f32": { "category": "conversion", "value": 168, "return": ["i32"], "parameter": ["f32"], "immediate": [] },
"i32.trunc_s/f64": { "category": "conversion", "value": 170, "return": ["i32"], "parameter": ["f64"], "immediate": [] },
"i32.trunc_u/f32": { "category": "conversion", "value": 169, "return": ["i32"], "parameter": ["f32"], "immediate": [] },
"i32.trunc_u/f64": { "category": "conversion", "value": 171, "return": ["i32"], "parameter": ["f64"], "immediate": [] },
"i32.wrap/i64": { "category": "conversion", "value": 167, "return": ["i32"], "parameter": ["i64"], "immediate": [], "b3op": "Trunc" },
"i64.trunc_s/f32": { "category": "conversion", "value": 174, "return": ["i64"], "parameter": ["f32"], "immediate": [] },
"i64.trunc_s/f64": { "category": "conversion", "value": 176, "return": ["i64"], "parameter": ["f64"], "immediate": [] },
"i64.trunc_u/f32": { "category": "conversion", "value": 175, "return": ["i64"], "parameter": ["f32"], "immediate": [] },
"i64.trunc_u/f64": { "category": "conversion", "value": 177, "return": ["i64"], "parameter": ["f64"], "immediate": [] },
"i64.extend_s/i32": { "category": "conversion", "value": 172, "return": ["i64"], "parameter": ["i32"], "immediate": [], "b3op": "SExt32" },
"i64.extend_u/i32": { "category": "conversion", "value": 173, "return": ["i64"], "parameter": ["i32"], "immediate": [], "b3op": "ZExt32" },
"f32.convert_s/i32": { "category": "conversion", "value": 178, "return": ["f32"], "parameter": ["i32"], "immediate": [], "b3op": "IToF" },
"f32.convert_u/i32": { "category": "conversion", "value": 179, "return": ["f32"], "parameter": ["i32"], "immediate": [], "b3op": "IToF(ZExt32(@0))" },
"f32.convert_s/i64": { "category": "conversion", "value": 180, "return": ["f32"], "parameter": ["i64"], "immediate": [], "b3op": "IToF" },
"f32.convert_u/i64": { "category": "conversion", "value": 181, "return": ["f32"], "parameter": ["i64"], "immediate": [] },
"f32.demote/f64": { "category": "conversion", "value": 182, "return": ["f32"], "parameter": ["f64"], "immediate": [], "b3op": "DoubleToFloat"},
"f32.reinterpret/i32": { "category": "conversion", "value": 190, "return": ["f32"], "parameter": ["i32"], "immediate": [], "b3op": "BitwiseCast" },
"f64.convert_s/i32": { "category": "conversion", "value": 183, "return": ["f64"], "parameter": ["i32"], "immediate": [], "b3op": "IToD" },
"f64.convert_u/i32": { "category": "conversion", "value": 184, "return": ["f64"], "parameter": ["i32"], "immediate": [], "b3op": "IToD(ZExt32(@0))" },
"f64.convert_s/i64": { "category": "conversion", "value": 185, "return": ["f64"], "parameter": ["i64"], "immediate": [], "b3op": "IToD" },
"f64.convert_u/i64": { "category": "conversion", "value": 186, "return": ["f64"], "parameter": ["i64"], "immediate": [] },
"f64.promote/f32": { "category": "conversion", "value": 187, "return": ["f64"], "parameter": ["f32"], "immediate": [], "b3op": "FloatToDouble"},
"f64.reinterpret/i64": { "category": "conversion", "value": 191, "return": ["f64"], "parameter": ["i64"], "immediate": [], "b3op": "BitwiseCast" },
"i32.reinterpret/f32": { "category": "conversion", "value": 188, "return": ["i32"], "parameter": ["f32"], "immediate": [], "b3op": "BitwiseCast" },
"i64.reinterpret/f64": { "category": "conversion", "value": 189, "return": ["i64"], "parameter": ["f64"], "immediate": [], "b3op": "BitwiseCast" }
}
}