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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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64 // Windows specific stuff. | 64 // Windows specific stuff. |
65 #ifdef WIN32 | 65 #ifdef WIN32 |
66 | 66 |
67 // Microsoft Visual C++ specific stuff. | 67 // Microsoft Visual C++ specific stuff. |
68 #ifdef _MSC_VER | 68 #ifdef _MSC_VER |
69 | 69 |
70 #include "win32-math.h" | 70 #include "win32-math.h" |
71 | 71 |
72 int strncasecmp(const char* s1, const char* s2, int n); | 72 int strncasecmp(const char* s1, const char* s2, int n); |
73 | 73 |
| 74 inline int lrint(double flt) { |
| 75 int intgr; |
| 76 #if defined(V8_TARGET_ARCH_IA32) |
| 77 __asm { |
| 78 fld flt |
| 79 fistp intgr |
| 80 }; |
| 81 #else |
| 82 intgr = static_cast<int>(flt + 0.5); |
| 83 if ((intgr & 1) != 0 && intgr - flt == 0.5) { |
| 84 // If the number is halfway between two integers, round to the even one. |
| 85 intgr--; |
| 86 } |
| 87 return intgr; |
| 88 #endif |
| 89 } |
| 90 |
| 91 |
74 #endif // _MSC_VER | 92 #endif // _MSC_VER |
75 | 93 |
76 // Random is missing on both Visual Studio and MinGW. | 94 // Random is missing on both Visual Studio and MinGW. |
77 int random(); | 95 int random(); |
78 | 96 |
79 #endif // WIN32 | 97 #endif // WIN32 |
80 | 98 |
81 #include "atomicops.h" | 99 #include "atomicops.h" |
82 #include "lazy-instance.h" | 100 #include "lazy-instance.h" |
83 #include "platform-tls.h" | 101 #include "platform-tls.h" |
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759 Atomic32 active_; | 777 Atomic32 active_; |
760 PlatformData* data_; // Platform specific data. | 778 PlatformData* data_; // Platform specific data. |
761 int samples_taken_; // Counts stack samples taken. | 779 int samples_taken_; // Counts stack samples taken. |
762 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler); | 780 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler); |
763 }; | 781 }; |
764 | 782 |
765 | 783 |
766 } } // namespace v8::internal | 784 } } // namespace v8::internal |
767 | 785 |
768 #endif // V8_PLATFORM_H_ | 786 #endif // V8_PLATFORM_H_ |
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