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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1175 | 1175 |
1176 CodeDesc desc; | 1176 CodeDesc desc; |
1177 assm.GetCode(&desc); | 1177 assm.GetCode(&desc); |
1178 Handle<Code> code = isolate->factory()->NewCode( | 1178 Handle<Code> code = isolate->factory()->NewCode( |
1179 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); | 1179 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
1180 #ifdef DEBUG | 1180 #ifdef DEBUG |
1181 OFStream os(stdout); | 1181 OFStream os(stdout); |
1182 code->Print(os); | 1182 code->Print(os); |
1183 #endif | 1183 #endif |
1184 F3 f = FUNCTION_CAST<F3>(code->entry()); | 1184 F3 f = FUNCTION_CAST<F3>(code->entry()); |
1185 t.left = BitCast<double>(kHoleNanInt64); | 1185 t.left = bit_cast<double>(kHoleNanInt64); |
1186 t.right = 1; | 1186 t.right = 1; |
1187 t.add_result = 0; | 1187 t.add_result = 0; |
1188 t.sub_result = 0; | 1188 t.sub_result = 0; |
1189 t.mul_result = 0; | 1189 t.mul_result = 0; |
1190 t.div_result = 0; | 1190 t.div_result = 0; |
1191 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); | 1191 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
1192 USE(dummy); | 1192 USE(dummy); |
1193 const uint32_t kArmNanUpper32 = 0x7ff80000; | 1193 const uint32_t kArmNanUpper32 = 0x7ff80000; |
1194 const uint32_t kArmNanLower32 = 0x00000000; | 1194 const uint32_t kArmNanLower32 = 0x00000000; |
1195 #ifdef DEBUG | 1195 #ifdef DEBUG |
1196 const uint64_t kArmNanInt64 = | 1196 const uint64_t kArmNanInt64 = |
1197 (static_cast<uint64_t>(kArmNanUpper32) << 32) | kArmNanLower32; | 1197 (static_cast<uint64_t>(kArmNanUpper32) << 32) | kArmNanLower32; |
1198 DCHECK(kArmNanInt64 != kHoleNanInt64); | 1198 DCHECK(kArmNanInt64 != kHoleNanInt64); |
1199 #endif | 1199 #endif |
1200 // With VFP2 the sign of the canonicalized Nan is undefined. So | 1200 // With VFP2 the sign of the canonicalized Nan is undefined. So |
1201 // we remove the sign bit for the upper tests. | 1201 // we remove the sign bit for the upper tests. |
1202 CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.add_result) >> 32) & 0x7fffffff); | 1202 CHECK_EQ(kArmNanUpper32, |
1203 CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.add_result) & 0xffffffffu); | 1203 (bit_cast<int64_t>(t.add_result) >> 32) & 0x7fffffff); |
1204 CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.sub_result) >> 32) & 0x7fffffff); | 1204 CHECK_EQ(kArmNanLower32, bit_cast<int64_t>(t.add_result) & 0xffffffffu); |
1205 CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.sub_result) & 0xffffffffu); | 1205 CHECK_EQ(kArmNanUpper32, |
1206 CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.mul_result) >> 32) & 0x7fffffff); | 1206 (bit_cast<int64_t>(t.sub_result) >> 32) & 0x7fffffff); |
1207 CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.mul_result) & 0xffffffffu); | 1207 CHECK_EQ(kArmNanLower32, bit_cast<int64_t>(t.sub_result) & 0xffffffffu); |
1208 CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.div_result) >> 32) & 0x7fffffff); | 1208 CHECK_EQ(kArmNanUpper32, |
1209 CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.div_result) & 0xffffffffu); | 1209 (bit_cast<int64_t>(t.mul_result) >> 32) & 0x7fffffff); |
| 1210 CHECK_EQ(kArmNanLower32, bit_cast<int64_t>(t.mul_result) & 0xffffffffu); |
| 1211 CHECK_EQ(kArmNanUpper32, |
| 1212 (bit_cast<int64_t>(t.div_result) >> 32) & 0x7fffffff); |
| 1213 CHECK_EQ(kArmNanLower32, bit_cast<int64_t>(t.div_result) & 0xffffffffu); |
1210 } | 1214 } |
1211 | 1215 |
1212 | 1216 |
1213 TEST(15) { | 1217 TEST(15) { |
1214 // Test the Neon instructions. | 1218 // Test the Neon instructions. |
1215 CcTest::InitializeVM(); | 1219 CcTest::InitializeVM(); |
1216 Isolate* isolate = CcTest::i_isolate(); | 1220 Isolate* isolate = CcTest::i_isolate(); |
1217 HandleScope scope(isolate); | 1221 HandleScope scope(isolate); |
1218 | 1222 |
1219 typedef struct { | 1223 typedef struct { |
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1555 assm.GetCode(&desc); | 1559 assm.GetCode(&desc); |
1556 Handle<Code> code = isolate->factory()->NewCode( | 1560 Handle<Code> code = isolate->factory()->NewCode( |
1557 desc, Code::ComputeFlags(Code::STUB), code_object); | 1561 desc, Code::ComputeFlags(Code::STUB), code_object); |
1558 F1 f = FUNCTION_CAST<F1>(code->entry()); | 1562 F1 f = FUNCTION_CAST<F1>(code->entry()); |
1559 int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 21, 0, 0, 0, 0)); | 1563 int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 21, 0, 0, 0, 0)); |
1560 ::printf("f() = %d\n", res); | 1564 ::printf("f() = %d\n", res); |
1561 CHECK_EQ(42, res); | 1565 CHECK_EQ(42, res); |
1562 } | 1566 } |
1563 | 1567 |
1564 #undef __ | 1568 #undef __ |
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