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 I32:$dst), (ins I32:$src),
34 [(set I32:$dst, (node I32:$src))]>;
35 def _I64 : I<(outs I64:$dst), (ins I64:$src),
36 [(set I64:$dst, (node I64:$src))]>;
38 multiclass BinaryInt<SDNode node> {
39 def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
40 [(set I32:$dst, (node I32:$lhs, I32:$rhs))]>;
41 def _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs),
42 [(set I64:$dst, (node I64:$lhs, I64:$rhs))]>;
44 multiclass UnaryFP<SDNode node> {
45 def _F32 : I<(outs F32:$dst), (ins F32:$src),
46 [(set F32:$dst, (node F32:$src))]>;
47 def _F64 : I<(outs F64:$dst), (ins F64:$src),
48 [(set F64:$dst, (node F64:$src))]>;
50 multiclass BinaryFP<SDNode node> {
51 def _F32 : I<(outs F32:$dst), (ins F32:$lhs, F32:$rhs),
52 [(set F32:$dst, (node F32:$lhs, F32:$rhs))]>;
53 def _F64 : I<(outs F64:$dst), (ins F64:$lhs, F64:$rhs),
54 [(set F64:$dst, (node F64:$lhs, F64:$rhs))]>;
56 multiclass ComparisonInt<CondCode cond> {
57 def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
58 [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))]>;
59 def _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs),
60 [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))]>;
62 multiclass ComparisonFP<CondCode cond> {
63 def _F32 : I<(outs I32:$dst), (ins F32:$lhs, F32:$rhs),
64 [(set I32:$dst, (setcc F32:$lhs, F32:$rhs, cond))]>;
65 def _F64 : I<(outs I32:$dst), (ins F64:$lhs, F64:$rhs),
66 [(set I32:$dst, (setcc F64:$lhs, F64:$rhs, cond))]>;