1 // WebAssemblyInstrFormats.td - WebAssembly Instruction Formats -*- tblgen -*-//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief WebAssembly instruction format definitions.
13 //===----------------------------------------------------------------------===//
15 // WebAssembly Instruction Format
16 class WebAssemblyInst<string cstr> : Instruction {
17 field bits<0> Inst; // Instruction encoding.
18 let Namespace = "WebAssembly";
20 let Constraints = cstr;
23 // Normal instructions
24 class I<dag oops, dag iops, list<dag> pattern, string cstr = "">
25 : WebAssemblyInst<cstr> {
26 dag OutOperandList = oops;
27 dag InOperandList = iops;
28 let Pattern = pattern;
31 // Unary and binary instructions, for the local types that WebAssembly supports.
32 multiclass UnaryInt<SDNode node> {
33 def _I32 : I<(outs Int32:$dst), (ins Int32:$src),
34 [(set Int32:$dst, (node Int32:$src))]>;
35 def _I64 : I<(outs Int64:$dst), (ins Int64:$src),
36 [(set Int64:$dst, (node Int64:$src))]>;
38 multiclass BinaryInt<SDNode node> {
39 def _I32 : I<(outs Int32:$dst), (ins Int32:$lhs, Int32:$rhs),
40 [(set Int32:$dst, (node Int32:$lhs, Int32:$rhs))]>;
41 def _I64 : I<(outs Int64:$dst), (ins Int64:$lhs, Int64:$rhs),
42 [(set Int64:$dst, (node Int64:$lhs, Int64:$rhs))]>;
44 multiclass UnaryFP<SDNode node> {
45 def _F32 : I<(outs Float32:$dst), (ins Float32:$src),
46 [(set Float32:$dst, (node Float32:$src))]>;
47 def _F64 : I<(outs Float64:$dst), (ins Float64:$src),
48 [(set Float64:$dst, (node Float64:$src))]>;
50 multiclass BinaryFP<SDNode node> {
51 def _F32 : I<(outs Float32:$dst), (ins Float32:$lhs, Float32:$rhs),
52 [(set Float32:$dst, (node Float32:$lhs, Float32:$rhs))]>;
53 def _F64 : I<(outs Float64:$dst), (ins Float64:$lhs, Float64:$rhs),
54 [(set Float64:$dst, (node Float64:$lhs, Float64:$rhs))]>;