1// WebAssemblyInstrFloat.td-WebAssembly Float codegen support ---*- 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 Floating-point operand code-gen constructs.
12///
13//===----------------------------------------------------------------------===//
14
15defm ADD : BinaryFP<fadd, "add">;
16defm SUB : BinaryFP<fsub, "sub">;
17defm MUL : BinaryFP<fmul, "mul">;
18defm DIV : BinaryFP<fdiv, "div">;
19defm SQRT : UnaryFP<fsqrt, "sqrt">;
20
21defm ABS : UnaryFP<fabs, "abs">;
22defm NEG : UnaryFP<fneg, "neg">;
23defm COPYSIGN : BinaryFP<fcopysign, "copysign">;
24
25defm MIN : BinaryFP<fminnan, "min">;
26defm MAX : BinaryFP<fmaxnan, "max">;
27
28defm CEIL : UnaryFP<fceil, "ceil">;
29defm FLOOR : UnaryFP<ffloor, "floor">;
30defm TRUNC : UnaryFP<ftrunc, "trunc">;
31defm NEAREST : UnaryFP<fnearbyint, "nearest">;
32
33// WebAssembly doesn't expose inexact exceptions, so map frint to fnearbyint.
34def : Pat<(frint f32:$src), (NEAREST_F32 f32:$src)>;
35def : Pat<(frint f64:$src), (NEAREST_F64 f64:$src)>;
36
37defm EQ : ComparisonFP<SETOEQ, "eq">;
38defm NE : ComparisonFP<SETUNE, "ne">;
39defm LT : ComparisonFP<SETOLT, "lt">;
40defm LE : ComparisonFP<SETOLE, "le">;
41defm GT : ComparisonFP<SETOGT, "gt">;
42defm GE : ComparisonFP<SETOGE, "ge">;
43
44// Don't care floating-point comparisons, supported via other comparisons.
45def : Pat<(seteq f32:$lhs, f32:$rhs), (EQ_F32 f32:$lhs, f32:$rhs)>;
46def : Pat<(setne f32:$lhs, f32:$rhs), (NE_F32 f32:$lhs, f32:$rhs)>;
47def : Pat<(setlt f32:$lhs, f32:$rhs), (LT_F32 f32:$lhs, f32:$rhs)>;
48def : Pat<(setle f32:$lhs, f32:$rhs), (LE_F32 f32:$lhs, f32:$rhs)>;
49def : Pat<(setgt f32:$lhs, f32:$rhs), (GT_F32 f32:$lhs, f32:$rhs)>;
50def : Pat<(setge f32:$lhs, f32:$rhs), (GE_F32 f32:$lhs, f32:$rhs)>;
51def : Pat<(seteq f64:$lhs, f64:$rhs), (EQ_F64 f64:$lhs, f64:$rhs)>;
52def : Pat<(setne f64:$lhs, f64:$rhs), (NE_F64 f64:$lhs, f64:$rhs)>;
53def : Pat<(setlt f64:$lhs, f64:$rhs), (LT_F64 f64:$lhs, f64:$rhs)>;
54def : Pat<(setle f64:$lhs, f64:$rhs), (LE_F64 f64:$lhs, f64:$rhs)>;
55def : Pat<(setgt f64:$lhs, f64:$rhs), (GT_F64 f64:$lhs, f64:$rhs)>;
56def : Pat<(setge f64:$lhs, f64:$rhs), (GE_F64 f64:$lhs, f64:$rhs)>;
57
58def SELECT_F32 : I<(outs F32:$dst), (ins I32:$cond, F32:$lhs, F32:$rhs),
59                   [(set F32:$dst, (select I32:$cond, F32:$lhs, F32:$rhs))],
60                   "f32.select $dst, $cond, $lhs, $rhs">;
61def SELECT_F64 : I<(outs F64:$dst), (ins I32:$cond, F64:$lhs, F64:$rhs),
62                   [(set F64:$dst, (select I32:$cond, F64:$lhs, F64:$rhs))],
63                   "f64.select $dst, $cond, $lhs, $rhs">;
64