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Issue 2045943002: [compiler] [wasm] Introduce Word32/64ReverseBytes as TF Optional Opcode (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix according to titzer Created 4 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. Use of this 1 // Copyright 2014 the V8 project authors. All rights reserved. Use of this
2 // source code is governed by a BSD-style license that can be found in the 2 // source code is governed by a BSD-style license that can be found in the
3 // LICENSE file. 3 // LICENSE file.
4 4
5 #include <cmath> 5 #include <cmath>
6 #include <functional> 6 #include <functional>
7 #include <limits> 7 #include <limits>
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/ieee754.h" 10 #include "src/base/ieee754.h"
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74 CHECK_EQ(uint32_t(0x00000000), m.Call(uint32_t(0x00000000))); 74 CHECK_EQ(uint32_t(0x00000000), m.Call(uint32_t(0x00000000)));
75 CHECK_EQ(uint32_t(0x12345678), m.Call(uint32_t(0x1e6a2c48))); 75 CHECK_EQ(uint32_t(0x12345678), m.Call(uint32_t(0x1e6a2c48)));
76 CHECK_EQ(uint32_t(0xfedcba09), m.Call(uint32_t(0x905d3b7f))); 76 CHECK_EQ(uint32_t(0xfedcba09), m.Call(uint32_t(0x905d3b7f)));
77 CHECK_EQ(uint32_t(0x01010101), m.Call(uint32_t(0x80808080))); 77 CHECK_EQ(uint32_t(0x01010101), m.Call(uint32_t(0x80808080)));
78 CHECK_EQ(uint32_t(0x01020408), m.Call(uint32_t(0x10204080))); 78 CHECK_EQ(uint32_t(0x01020408), m.Call(uint32_t(0x10204080)));
79 CHECK_EQ(uint32_t(0xf0703010), m.Call(uint32_t(0x080c0e0f))); 79 CHECK_EQ(uint32_t(0xf0703010), m.Call(uint32_t(0x080c0e0f)));
80 CHECK_EQ(uint32_t(0x1f8d0a3a), m.Call(uint32_t(0x5c50b1f8))); 80 CHECK_EQ(uint32_t(0x1f8d0a3a), m.Call(uint32_t(0x5c50b1f8)));
81 CHECK_EQ(uint32_t(0xffffffff), m.Call(uint32_t(0xffffffff))); 81 CHECK_EQ(uint32_t(0xffffffff), m.Call(uint32_t(0xffffffff)));
82 } 82 }
83 83
84 TEST(RunWord32ReverseBytes) {
85 BufferedRawMachineAssemblerTester<uint32_t> m(MachineType::Uint32());
86 if (!m.machine()->Word32ReverseBytes().IsSupported()) {
87 // We can only test the operator if it exists on the testing platform.
88 return;
89 }
90 m.Return(m.AddNode(m.machine()->Word32ReverseBytes().op(), m.Parameter(0)));
91
92 CHECK_EQ(uint32_t(0x00000000), m.Call(uint32_t(0x00000000)));
93 CHECK_EQ(uint32_t(0x12345678), m.Call(uint32_t(0x78563412)));
94 CHECK_EQ(uint32_t(0xfedcba09), m.Call(uint32_t(0x09badcfe)));
95 CHECK_EQ(uint32_t(0x01010101), m.Call(uint32_t(0x01010101)));
96 CHECK_EQ(uint32_t(0x01020408), m.Call(uint32_t(0x08040201)));
97 CHECK_EQ(uint32_t(0xf0703010), m.Call(uint32_t(0x103070f0)));
98 CHECK_EQ(uint32_t(0x1f8d0a3a), m.Call(uint32_t(0x3a0a8d1f)));
99 CHECK_EQ(uint32_t(0xffffffff), m.Call(uint32_t(0xffffffff)));
100 }
84 101
85 TEST(RunWord32Ctz) { 102 TEST(RunWord32Ctz) {
86 BufferedRawMachineAssemblerTester<int32_t> m(MachineType::Uint32()); 103 BufferedRawMachineAssemblerTester<int32_t> m(MachineType::Uint32());
87 if (!m.machine()->Word32Ctz().IsSupported()) { 104 if (!m.machine()->Word32Ctz().IsSupported()) {
88 // We can only test the operator if it exists on the testing platform. 105 // We can only test the operator if it exists on the testing platform.
89 return; 106 return;
90 } 107 }
91 m.Return(m.AddNode(m.machine()->Word32Ctz().op(), m.Parameter(0))); 108 m.Return(m.AddNode(m.machine()->Word32Ctz().op(), m.Parameter(0)));
92 109
93 CHECK_EQ(32, m.Call(uint32_t(0x00000000))); 110 CHECK_EQ(32, m.Call(uint32_t(0x00000000)));
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196 CHECK_EQ(uint64_t(0x0000000000000000), m.Call(uint64_t(0x0000000000000000))); 213 CHECK_EQ(uint64_t(0x0000000000000000), m.Call(uint64_t(0x0000000000000000)));
197 CHECK_EQ(uint64_t(0x1234567890abcdef), m.Call(uint64_t(0xf7b3d5091e6a2c48))); 214 CHECK_EQ(uint64_t(0x1234567890abcdef), m.Call(uint64_t(0xf7b3d5091e6a2c48)));
198 CHECK_EQ(uint64_t(0xfedcba0987654321), m.Call(uint64_t(0x84c2a6e1905d3b7f))); 215 CHECK_EQ(uint64_t(0xfedcba0987654321), m.Call(uint64_t(0x84c2a6e1905d3b7f)));
199 CHECK_EQ(uint64_t(0x0101010101010101), m.Call(uint64_t(0x8080808080808080))); 216 CHECK_EQ(uint64_t(0x0101010101010101), m.Call(uint64_t(0x8080808080808080)));
200 CHECK_EQ(uint64_t(0x0102040803060c01), m.Call(uint64_t(0x803060c010204080))); 217 CHECK_EQ(uint64_t(0x0102040803060c01), m.Call(uint64_t(0x803060c010204080)));
201 CHECK_EQ(uint64_t(0xf0703010e060200f), m.Call(uint64_t(0xf0040607080c0e0f))); 218 CHECK_EQ(uint64_t(0xf0703010e060200f), m.Call(uint64_t(0xf0040607080c0e0f)));
202 CHECK_EQ(uint64_t(0x2f8a6df01c21fa3b), m.Call(uint64_t(0xdc5f84380fb651f4))); 219 CHECK_EQ(uint64_t(0x2f8a6df01c21fa3b), m.Call(uint64_t(0xdc5f84380fb651f4)));
203 CHECK_EQ(uint64_t(0xffffffffffffffff), m.Call(uint64_t(0xffffffffffffffff))); 220 CHECK_EQ(uint64_t(0xffffffffffffffff), m.Call(uint64_t(0xffffffffffffffff)));
204 } 221 }
205 222
223 TEST(RunWord64ReverseBytes) {
224 BufferedRawMachineAssemblerTester<uint64_t> m(MachineType::Uint64());
225 if (!m.machine()->Word64ReverseBytes().IsSupported()) {
226 return;
227 }
228
229 m.Return(m.AddNode(m.machine()->Word64ReverseBytes().op(), m.Parameter(0)));
230
231 CHECK_EQ(uint64_t(0x0000000000000000), m.Call(uint64_t(0x0000000000000000)));
232 CHECK_EQ(uint64_t(0x1234567890abcdef), m.Call(uint64_t(0xefcdab9078563412)));
233 CHECK_EQ(uint64_t(0xfedcba0987654321), m.Call(uint64_t(0x2143658709badcfe)));
234 CHECK_EQ(uint64_t(0x0101010101010101), m.Call(uint64_t(0x0101010101010101)));
235 CHECK_EQ(uint64_t(0x0102040803060c01), m.Call(uint64_t(0x010c060308040201)));
236 CHECK_EQ(uint64_t(0xf0703010e060200f), m.Call(uint64_t(0x0f2060e0103070f0)));
237 CHECK_EQ(uint64_t(0x2f8a6df01c21fa3b), m.Call(uint64_t(0x3bfa211cf06d8a2f)));
238 CHECK_EQ(uint64_t(0xffffffffffffffff), m.Call(uint64_t(0xffffffffffffffff)));
239 }
206 240
207 TEST(RunWord64Clz) { 241 TEST(RunWord64Clz) {
208 BufferedRawMachineAssemblerTester<int32_t> m(MachineType::Uint64()); 242 BufferedRawMachineAssemblerTester<int32_t> m(MachineType::Uint64());
209 m.Return(m.Word64Clz(m.Parameter(0))); 243 m.Return(m.Word64Clz(m.Parameter(0)));
210 244
211 CHECK_EQ(0, m.Call(uint64_t(0x8000100000000000))); 245 CHECK_EQ(0, m.Call(uint64_t(0x8000100000000000)));
212 CHECK_EQ(1, m.Call(uint64_t(0x4000050000000000))); 246 CHECK_EQ(1, m.Call(uint64_t(0x4000050000000000)));
213 CHECK_EQ(2, m.Call(uint64_t(0x2000030000000000))); 247 CHECK_EQ(2, m.Call(uint64_t(0x2000030000000000)));
214 CHECK_EQ(3, m.Call(uint64_t(0x1000000300000000))); 248 CHECK_EQ(3, m.Call(uint64_t(0x1000000300000000)));
215 CHECK_EQ(4, m.Call(uint64_t(0x0805000000000000))); 249 CHECK_EQ(4, m.Call(uint64_t(0x0805000000000000)));
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6533 r.Goto(&merge); 6567 r.Goto(&merge);
6534 r.Bind(&merge); 6568 r.Bind(&merge);
6535 Node* phi = r.Phi(MachineRepresentation::kWord32, fa, fb); 6569 Node* phi = r.Phi(MachineRepresentation::kWord32, fa, fb);
6536 r.Return(phi); 6570 r.Return(phi);
6537 CHECK_EQ(1, r.Call(1)); 6571 CHECK_EQ(1, r.Call(1));
6538 } 6572 }
6539 6573
6540 } // namespace compiler 6574 } // namespace compiler
6541 } // namespace internal 6575 } // namespace internal
6542 } // namespace v8 6576 } // namespace v8
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