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
31class SIMD_I<dag oops, dag iops, list<dag> pattern, string asmstr = "">
32    : I<oops, iops, pattern, asmstr>, Requires<[HasSIMD128]>;
33
34// Unary and binary instructions, for the local types that WebAssembly supports.
35multiclass UnaryInt<SDNode node, string name> {
36  def _I32 : I<(outs I32:$dst), (ins I32:$src),
37               [(set I32:$dst, (node I32:$src))],
38               !strconcat("i32.", !strconcat(name, "\t$dst, $src"))>;
39  def _I64 : I<(outs I64:$dst), (ins I64:$src),
40               [(set I64:$dst, (node I64:$src))],
41               !strconcat("i64.", !strconcat(name, "\t$dst, $src"))>;
42}
43multiclass BinaryInt<SDNode node, string name> {
44  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
45               [(set I32:$dst, (node I32:$lhs, I32:$rhs))],
46               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
47  def _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs),
48               [(set I64:$dst, (node I64:$lhs, I64:$rhs))],
49               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
50}
51multiclass UnaryFP<SDNode node, string name> {
52  def _F32 : I<(outs F32:$dst), (ins F32:$src),
53               [(set F32:$dst, (node F32:$src))],
54               !strconcat("f32.", !strconcat(name, "\t$dst, $src"))>;
55  def _F64 : I<(outs F64:$dst), (ins F64:$src),
56               [(set F64:$dst, (node F64:$src))],
57               !strconcat("f64.", !strconcat(name, "\t$dst, $src"))>;
58}
59multiclass BinaryFP<SDNode node, string name> {
60  def _F32 : I<(outs F32:$dst), (ins F32:$lhs, F32:$rhs),
61               [(set F32:$dst, (node F32:$lhs, F32:$rhs))],
62               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
63  def _F64 : I<(outs F64:$dst), (ins F64:$lhs, F64:$rhs),
64               [(set F64:$dst, (node F64:$lhs, F64:$rhs))],
65               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
66}
67multiclass SIMDBinary<SDNode node, SDNode fnode, string name> {
68  def _I8x16 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
69                      [(set (v16i8 V128:$dst), (node V128:$lhs, V128:$rhs))],
70                      !strconcat("i8x16.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
71  def _I16x8 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
72                      [(set (v8i16 V128:$dst), (node V128:$lhs, V128:$rhs))],
73                      !strconcat("i16x8.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
74  def _I32x4 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
75                      [(set (v4i32 V128:$dst), (node V128:$lhs, V128:$rhs))],
76                      !strconcat("i32x4.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
77  def _F32x4 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
78                      [(set (v4f32 V128:$dst), (fnode V128:$lhs, V128:$rhs))],
79                      !strconcat("f32x4.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
80
81}
82multiclass ComparisonInt<CondCode cond, string name> {
83  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
84               [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))],
85               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
86  def _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs),
87               [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))],
88               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
89}
90multiclass ComparisonFP<CondCode cond, string name> {
91  def _F32 : I<(outs I32:$dst), (ins F32:$lhs, F32:$rhs),
92               [(set I32:$dst, (setcc F32:$lhs, F32:$rhs, cond))],
93               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
94  def _F64 : I<(outs I32:$dst), (ins F64:$lhs, F64:$rhs),
95               [(set I32:$dst, (setcc F64:$lhs, F64:$rhs, cond))],
96               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
97}
98