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>;
16defm SUB : BinaryFP<fsub>;
17defm MUL : BinaryFP<fmul>;
18defm DIV : BinaryFP<fdiv>;
19defm SQRT : UnaryFP<fsqrt>;
20
21defm ABS : UnaryFP<fabs>;
22defm NEG : UnaryFP<fneg>;
23defm COPYSIGN : BinaryFP<fcopysign>;
24
25defm CEIL : UnaryFP<fceil>;
26defm FLOOR : UnaryFP<ffloor>;
27defm TRUNC : UnaryFP<ftrunc>;
28defm NEAREST : UnaryFP<fnearbyint>;
29
30// WebAssembly doesn't expose inexact exceptions, so map frint to fnearbyint.
31def : Pat<(frint f32:$src), (NEAREST_F32 f32:$src)>;
32def : Pat<(frint f64:$src), (NEAREST_F64 f64:$src)>;
33
34defm EQ : ComparisonFP<SETOEQ>;
35defm NE : ComparisonFP<SETUNE>;
36defm LT : ComparisonFP<SETOLT>;
37defm LE : ComparisonFP<SETOLE>;
38defm GT : ComparisonFP<SETOGT>;
39defm GE : ComparisonFP<SETOGE>;
40
41// Don't care floating-point comparisons, supported via other comparisons.
42def : Pat<(seteq f32:$lhs, f32:$rhs), (EQ_F32 f32:$lhs, f32:$rhs)>;
43def : Pat<(setne f32:$lhs, f32:$rhs), (NE_F32 f32:$lhs, f32:$rhs)>;
44def : Pat<(setlt f32:$lhs, f32:$rhs), (LT_F32 f32:$lhs, f32:$rhs)>;
45def : Pat<(setle f32:$lhs, f32:$rhs), (LE_F32 f32:$lhs, f32:$rhs)>;
46def : Pat<(setgt f32:$lhs, f32:$rhs), (GT_F32 f32:$lhs, f32:$rhs)>;
47def : Pat<(setge f32:$lhs, f32:$rhs), (GE_F32 f32:$lhs, f32:$rhs)>;
48def : Pat<(seteq f64:$lhs, f64:$rhs), (EQ_F64 f64:$lhs, f64:$rhs)>;
49def : Pat<(setne f64:$lhs, f64:$rhs), (NE_F64 f64:$lhs, f64:$rhs)>;
50def : Pat<(setlt f64:$lhs, f64:$rhs), (LT_F64 f64:$lhs, f64:$rhs)>;
51def : Pat<(setle f64:$lhs, f64:$rhs), (LE_F64 f64:$lhs, f64:$rhs)>;
52def : Pat<(setgt f64:$lhs, f64:$rhs), (GT_F64 f64:$lhs, f64:$rhs)>;
53def : Pat<(setge f64:$lhs, f64:$rhs), (GE_F64 f64:$lhs, f64:$rhs)>;
54
55/*
56 * TODO(jfb): Add the following for 32-bit and 64-bit.
57 *
58 * f32.min: minimum (binary operator); if either operand is NaN, returns NaN
59 * f32.max: maximum (binary operator); if either operand is NaN, returns NaN
60 */
61