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Issue 2647353007: [wasm] Fix constant folding with signalling NaN. (Closed)
Patch Set: Remove unused variable Created 3 years, 10 months ago
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1 // Copyright 2017 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Flags: --expose-wasm
6
7 load("test/mjsunit/wasm/wasm-constants.js");
8 load("test/mjsunit/wasm/wasm-module-builder.js");
9
10 (function() {
11 print("F32: sNaN - 0 = qNaN");
12 var builder = new WasmModuleBuilder();
13 builder.addFunction("F32Sub0", kSig_i_i)
14 .addBody([
15 kExprGetLocal, 0,
16 kExprF32ReinterpretI32,
17 kExprF32Const, 0x00, 0x00, 0x00, 0x00, // 0.0
18 kExprF32Sub,
19 kExprI32ReinterpretF32,
20 ])
21 .exportFunc();
22 var module = builder.instantiate();
23 // F32Sub0(signalling_NaN)
24 assertEquals(0x7fe00000, module.exports.F32Sub0(0x7fa00000));
25 })();
26
27 (function() {
28 print("F32: sNaN - X = qNaN");
29 var builder = new WasmModuleBuilder();
30 builder.addFunction("F32NaNSubX", kSig_i_i)
31 .addBody([
32 kExprF32Const, 0x00, 0x00, 0xa0, 0x7f,
33 kExprF32Const, 0x12, 0x34, 0x56, 0x78,
34 kExprF32Sub,
35 kExprI32ReinterpretF32,
36 ])
37 .exportFunc();
38 var module = builder.instantiate();
39 assertEquals(0x7fe00000, module.exports.F32NaNSubX());
40 })();
41
42 (function() {
43 print("F32: X - sNaN = qNaN");
44 var builder = new WasmModuleBuilder();
45 builder.addFunction("F32XSubNaN", kSig_i_i)
46 .addBody([
47 kExprF32Const, 0x12, 0x34, 0x56, 0x78,
48 kExprF32Const, 0x00, 0x00, 0xa0, 0x7f,
49 kExprF32Sub,
50 kExprI32ReinterpretF32,
51 ])
52 .exportFunc();
53 var module = builder.instantiate();
54 assertEquals(0x7fe00000, module.exports.F32XSubNaN());
55 })();
56
57 (function() {
58 print("F64: X + sNaN = qNaN");
59 var builder = new WasmModuleBuilder();
60 builder.addFunction("F32XAddNaN", kSig_i_i)
61 .addBody([
62 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
63 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
64 kExprF64Add,
65 kExprI64ReinterpretF64,
66 kExprI64Const, 32,
67 kExprI64ShrU,
68 kExprI32ConvertI64,
69 ])
70 .exportFunc();
71 var module = builder.instantiate();
72 assertEquals(0x7ffa0000, module.exports.F32XAddNaN());
73 })();
74
75 (function() {
76 print("F64: sNaN - 0 = qNaN");
77 var builder = new WasmModuleBuilder();
78 builder.addFunction("F64Sub0", kSig_i_i)
79 .addBody([
80 kExprI64Const, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xf9, 0xff, 0x00,
81 kExprF64ReinterpretI64,
82 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0.0
83 kExprF64Sub,
84 kExprI64ReinterpretF64,
85 kExprI64Const, 32,
86 kExprI64ShrU,
87 kExprI32ConvertI64,
88 ])
89 .exportFunc();
90 var module = builder.instantiate();
91 assertEquals(0x7ffa0000, module.exports.F64Sub0());
92 })();
93
94 (function() {
95 print("F64: sNaN - X = qNaN");
96 var builder = new WasmModuleBuilder();
97 builder.addFunction("F64NaNSubX", kSig_i_i)
98 .addBody([
99 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
100 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
101 kExprF64Sub,
102 kExprI64ReinterpretF64,
103 kExprI64Const, 32,
104 kExprI64ShrU,
105 kExprI32ConvertI64,
106 ])
107 .exportFunc();
108 var module = builder.instantiate();
109 assertEquals(0x7ffa0000, module.exports.F64NaNSubX());
110 })();
111
112 (function() {
113 print("F64: X - sNaN = qNaN");
114 var builder = new WasmModuleBuilder();
115 builder.addFunction("F64XSubNaN", kSig_i_i)
116 .addBody([
117 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
118 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
119 kExprF64Sub,
120 kExprI64ReinterpretF64,
121 kExprI64Const, 32,
122 kExprI64ShrU,
123 kExprI32ConvertI64,
124 ])
125 .exportFunc();
126 var module = builder.instantiate();
127 assertEquals(0x7ffa0000, module.exports.F64XSubNaN());
128 })();
129
130 (function() {
131 print("F64: sNaN * 1 = qNaN");
132 var builder = new WasmModuleBuilder();
133 builder.addFunction("F64Mul1", kSig_i_i)
134 .addBody([
135 kExprI64Const, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xf9, 0xff, 0x00,
136 kExprF64ReinterpretI64,
137 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f,
138 kExprF64Mul,
139 kExprI64ReinterpretF64,
140 kExprI64Const, 32,
141 kExprI64ShrU,
142 kExprI32ConvertI64,
143 ])
144 .exportFunc();
145 var module = builder.instantiate();
146 assertEquals(0x7ffa0000, module.exports.F64Mul1());
147 })();
148
149 (function() {
150 print("F64: X * sNaN = qNaN");
151 var builder = new WasmModuleBuilder();
152 builder.addFunction("F64XMulNaN", kSig_i_i)
153 .addBody([
154 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
155 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
156 kExprF64Mul,
157 kExprI64ReinterpretF64,
158 kExprI64Const, 32,
159 kExprI64ShrU,
160 kExprI32ConvertI64,
161 ])
162 .exportFunc();
163 var module = builder.instantiate();
164 assertEquals(0x7ffa0000, module.exports.F64XMulNaN());
165 })();
166
167 (function() {
168 print("F64: sNaN / 1 = qNaN");
169 var builder = new WasmModuleBuilder();
170 builder.addFunction("F64Div1", kSig_i_i)
171 .addBody([
172 kExprI64Const, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xf9, 0xff, 0x00,
173 kExprF64ReinterpretI64,
174 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f,
175 kExprF64Div,
176 kExprI64ReinterpretF64,
177 kExprI64Const, 32,
178 kExprI64ShrU,
179 kExprI32ConvertI64,
180 ])
181 .exportFunc();
182 var module = builder.instantiate();
183 assertEquals(0x7ffa0000, module.exports.F64Div1());
184 })();
185
186 (function() {
187 print("F64: X / sNaN = qNaN");
188 var builder = new WasmModuleBuilder();
189 builder.addFunction("F64XDivNaN", kSig_i_i)
190 .addBody([
191 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
192 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
193 kExprF64Div,
194 kExprI64ReinterpretF64,
195 kExprI64Const, 32,
196 kExprI64ShrU,
197 kExprI32ConvertI64,
198 ])
199 .exportFunc();
200 var module = builder.instantiate();
201 assertEquals(0x7ffa0000, module.exports.F64XDivNaN());
202 })();
203
204 (function() {
205 print("F64: sNaN / X = qNaN");
206 var builder = new WasmModuleBuilder();
207 builder.addFunction("F64NaNDivX", kSig_i_i)
208 .addBody([
209 kExprF64Const, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x7f,
210 kExprF64Const, 0xde, 0xbc, 0x0a, 0x89, 0x67, 0x45, 0x23, 0x01,
211 kExprF64Div,
212 kExprI64ReinterpretF64,
213 kExprI64Const, 32,
214 kExprI64ShrU,
215 kExprI32ConvertI64,
216 ])
217 .exportFunc();
218 var module = builder.instantiate();
219 assertEquals(0x7ffa0000, module.exports.F64NaNDivX());
220 })();
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