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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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70 // The AMD64 calling convention is used, with the first six arguments | 70 // The AMD64 calling convention is used, with the first six arguments |
71 // in RDI, RSI, RDX, RCX, R8, and R9, and floating point arguments in | 71 // in RDI, RSI, RDX, RCX, R8, and R9, and floating point arguments in |
72 // the XMM registers. The return value is in RAX. | 72 // the XMM registers. The return value is in RAX. |
73 // This calling convention is used on Linux, with GCC, and on Mac OS, | 73 // This calling convention is used on Linux, with GCC, and on Mac OS, |
74 // with GCC. A different convention is used on 64-bit windows, | 74 // with GCC. A different convention is used on 64-bit windows, |
75 // where the first four integer arguments are passed in RCX, RDX, R8 and R9. | 75 // where the first four integer arguments are passed in RCX, RDX, R8 and R9. |
76 | 76 |
77 typedef int (*F0)(); | 77 typedef int (*F0)(); |
78 typedef int (*F1)(int64_t x); | 78 typedef int (*F1)(int64_t x); |
79 typedef int (*F2)(int64_t x, int64_t y); | 79 typedef int (*F2)(int64_t x, int64_t y); |
| 80 typedef int (*F3)(double x); |
80 | 81 |
81 #ifdef _WIN64 | 82 #ifdef _WIN64 |
82 static const v8::internal::Register arg1 = rcx; | 83 static const v8::internal::Register arg1 = rcx; |
83 static const v8::internal::Register arg2 = rdx; | 84 static const v8::internal::Register arg2 = rdx; |
84 #else | 85 #else |
85 static const v8::internal::Register arg1 = rdi; | 86 static const v8::internal::Register arg1 = rdi; |
86 static const v8::internal::Register arg2 = rsi; | 87 static const v8::internal::Register arg2 = rsi; |
87 #endif | 88 #endif |
88 | 89 |
89 #define __ assm. | 90 #define __ assm. |
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510 v8::Local<v8::Value> result = foo->Call(global_object, 1, args); | 511 v8::Local<v8::Value> result = foo->Call(global_object, 1, args); |
511 | 512 |
512 // The mask should be 0b1000. | 513 // The mask should be 0b1000. |
513 CHECK_EQ(8, result->Int32Value()); | 514 CHECK_EQ(8, result->Int32Value()); |
514 } | 515 } |
515 | 516 |
516 #undef ELEMENT_COUNT | 517 #undef ELEMENT_COUNT |
517 #endif // __GNUC__ | 518 #endif // __GNUC__ |
518 | 519 |
519 | 520 |
| 521 TEST(AssemblerX64Extractps) { |
| 522 CcTest::InitializeVM(); |
| 523 if (!v8::internal::CpuFeatures::IsSupported(v8::internal::SSE4_1)) return; |
| 524 |
| 525 v8::HandleScope scope(CcTest::isolate()); |
| 526 v8::internal::byte buffer[256]; |
| 527 Isolate* isolate = CcTest::i_isolate(); |
| 528 Assembler assm(isolate, buffer, sizeof(buffer)); |
| 529 v8::internal::CpuFeatureScope fscope(&assm, v8::internal::SSE4_1); |
| 530 __ extractps(rax, xmm0, 0x1); |
| 531 __ ret(0); |
| 532 |
| 533 CodeDesc desc; |
| 534 assm.GetCode(&desc); |
| 535 Code* code = Code::cast(isolate->heap()->CreateCode( |
| 536 desc, |
| 537 Code::ComputeFlags(Code::STUB), |
| 538 v8::internal::Handle<Code>())->ToObjectChecked()); |
| 539 CHECK(code->IsCode()); |
| 540 #ifdef OBJECT_PRINT |
| 541 Code::cast(code)->Print(); |
| 542 #endif |
| 543 |
| 544 F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 545 CHECK_EQ(0x7FF80000, f(OS::nan_value())); |
| 546 } |
| 547 |
| 548 |
520 #undef __ | 549 #undef __ |
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