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/// WebAssembly instruction format definitions.
12///
13//===----------------------------------------------------------------------===//
14
15// WebAssembly Instruction Format.
16class WebAssemblyInst<bits<32> inst, string asmstr> : Instruction {
17  field bits<32> Inst = 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 = "", bits<32> inst = -1>
25    : WebAssemblyInst<inst, 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,
32             string asmstr = "", bits<32> inst = -1>
33    : I<oops, iops, pattern, asmstr, inst>, Requires<[HasSIMD128]>;
34
35class ATOMIC_I<dag oops, dag iops, list<dag> pattern,
36               string asmstr = "", bits<32> inst = -1>
37    : I<oops, iops, pattern, asmstr, inst>, Requires<[HasAtomics]>;
38
39// Unary and binary instructions, for the local types that WebAssembly supports.
40multiclass UnaryInt<SDNode node, string name, bits<32> i32Inst, bits<32> i64Inst> {
41  def _I32 : I<(outs I32:$dst), (ins I32:$src),
42               [(set I32:$dst, (node I32:$src))],
43               !strconcat("i32.", !strconcat(name, "\t$dst, $src")), i32Inst>;
44  def _I64 : I<(outs I64:$dst), (ins I64:$src),
45               [(set I64:$dst, (node I64:$src))],
46               !strconcat("i64.", !strconcat(name, "\t$dst, $src")), i64Inst>;
47}
48multiclass BinaryInt<SDNode node, string name, bits<32> i32Inst, bits<32> i64Inst> {
49  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
50               [(set I32:$dst, (node I32:$lhs, I32:$rhs))],
51               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")), i32Inst>;
52  def _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs),
53               [(set I64:$dst, (node I64:$lhs, I64:$rhs))],
54               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")), i64Inst>;
55}
56multiclass UnaryFP<SDNode node, string name, bits<32> f32Inst, bits<32> f64Inst> {
57  def _F32 : I<(outs F32:$dst), (ins F32:$src),
58               [(set F32:$dst, (node F32:$src))],
59               !strconcat("f32.", !strconcat(name, "\t$dst, $src")), f32Inst>;
60  def _F64 : I<(outs F64:$dst), (ins F64:$src),
61               [(set F64:$dst, (node F64:$src))],
62               !strconcat("f64.", !strconcat(name, "\t$dst, $src")), f64Inst>;
63}
64multiclass BinaryFP<SDNode node, string name, bits<32> f32Inst, bits<32> f64Inst> {
65  def _F32 : I<(outs F32:$dst), (ins F32:$lhs, F32:$rhs),
66               [(set F32:$dst, (node F32:$lhs, F32:$rhs))],
67               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs")), f32Inst>;
68  def _F64 : I<(outs F64:$dst), (ins F64:$lhs, F64:$rhs),
69               [(set F64:$dst, (node F64:$lhs, F64:$rhs))],
70               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs")), f64Inst>;
71}
72multiclass SIMDBinary<SDNode node, SDNode fnode, string name> {
73  def _I8x16 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
74                      [(set (v16i8 V128:$dst), (node V128:$lhs, V128:$rhs))],
75                      !strconcat("i8x16.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
76  def _I16x8 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
77                      [(set (v8i16 V128:$dst), (node V128:$lhs, V128:$rhs))],
78                      !strconcat("i16x8.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
79  def _I32x4 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
80                      [(set (v4i32 V128:$dst), (node V128:$lhs, V128:$rhs))],
81                      !strconcat("i32x4.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
82  def _F32x4 : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
83                      [(set (v4f32 V128:$dst), (fnode V128:$lhs, V128:$rhs))],
84                      !strconcat("f32x4.", !strconcat(name, "\t$dst, $lhs, $rhs"))>;
85
86}
87multiclass ComparisonInt<CondCode cond, string name, bits<32> i32Inst, bits<32> i64Inst> {
88  def _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs),
89               [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))],
90               !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")),
91               i32Inst>;
92  def _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs),
93               [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))],
94               !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")),
95               i64Inst>;
96}
97multiclass ComparisonFP<CondCode cond, string name, bits<32> f32Inst, bits<32> f64Inst> {
98  def _F32 : I<(outs I32:$dst), (ins F32:$lhs, F32:$rhs),
99               [(set I32:$dst, (setcc F32:$lhs, F32:$rhs, cond))],
100               !strconcat("f32.", !strconcat(name, "\t$dst, $lhs, $rhs")),
101               f32Inst>;
102  def _F64 : I<(outs I32:$dst), (ins F64:$lhs, F64:$rhs),
103               [(set I32:$dst, (setcc F64:$lhs, F64:$rhs, cond))],
104               !strconcat("f64.", !strconcat(name, "\t$dst, $lhs, $rhs")),
105               f64Inst>;
106}
107