WebAssemblyInstrFormats.td revision 296417 
1//=- WebAssemblyInstrFormats.td - WebAssembly Instr. Formats -*- tablegen -*-=//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// \brief WebAssembly instruction format definitions.
12///
13//===----------------------------------------------------------------------===//
14
15// WebAssembly Instruction Format.
16class WebAssemblyInst<string asmstr> : Instruction {
17  field bits<0> Inst; // Instruction encoding.
18  let Namespace   = "WebAssembly";
19  let Pattern     = [];
20  let AsmString   = asmstr;
21}
22
23// Normal instructions.
24class I<dag oops, dag iops, list<dag> pattern, string asmstr = "">
25    : WebAssemblyInst<asmstr> {
26  dag OutOperandList = oops;
27  dag InOperandList  = iops;
28  let Pattern        = pattern;
29}
30
31// Unary and binary instructions, for the local types that WebAssembly supports.
32multiclass UnaryInt<SDNode node, string name> {
33  def _I32 : I<(outs I32:$dst), (ins I32:$src),
34               [(set I32:$dst, (node I32:$src))],
35               !strconcat("i32.", !strconcat(name, "\t$dst, $src"))>;
36  def _I64 : I<(outs I64:$dst), (ins I64:$src),
37               [(set I64:$dst, (node I64:$src))],
38               !strconcat("i64.", !strconcat(name, "\t$dst, $src"))>;
39}
40multiclass BinaryInt<SDNode node, string name> {
41  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
42               [(set I32:$dst, (node I32:$lhs, I32:$rhs))],
43               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
44  def _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs),
45               [(set I64:$dst, (node I64:$lhs, I64:$rhs))],
46               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
47}
48multiclass UnaryFP<SDNode node, string name> {
49  def _F32 : I<(outs F32:$dst), (ins F32:$src),
50               [(set F32:$dst, (node F32:$src))],
51               !strconcat("f32.", !strconcat(name, "\t$dst, $src"))>;
52  def _F64 : I<(outs F64:$dst), (ins F64:$src),
53               [(set F64:$dst, (node F64:$src))],
54               !strconcat("f64.", !strconcat(name, "\t$dst, $src"))>;
55}
56multiclass BinaryFP<SDNode node, string name> {
57  def _F32 : I<(outs F32:$dst), (ins F32:$lhs, F32:$rhs),
58               [(set F32:$dst, (node F32:$lhs, F32:$rhs))],
59               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
60  def _F64 : I<(outs F64:$dst), (ins F64:$lhs, F64:$rhs),
61               [(set F64:$dst, (node F64:$lhs, F64:$rhs))],
62               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
63}
64multiclass ComparisonInt<CondCode cond, string name> {
65  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
66               [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))],
67               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
68  def _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs),
69               [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))],
70               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
71}
72multiclass ComparisonFP<CondCode cond, string name> {
73  def _F32 : I<(outs I32:$dst), (ins F32:$lhs, F32:$rhs),
74               [(set I32:$dst, (setcc F32:$lhs, F32:$rhs, cond))],
75               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
76  def _F64 : I<(outs I32:$dst), (ins F64:$lhs, F64:$rhs),
77               [(set I32:$dst, (setcc F64:$lhs, F64:$rhs, cond))],
78               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
79}
80