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Side by Side Diff: runtime/platform/utils_win.h

Issue 2974233002: VM: Re-format to use at most one newline between functions (Closed)
Patch Set: Rebase and merge Created 3 years, 5 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef RUNTIME_PLATFORM_UTILS_WIN_H_ 5 #ifndef RUNTIME_PLATFORM_UTILS_WIN_H_
6 #define RUNTIME_PLATFORM_UTILS_WIN_H_ 6 #define RUNTIME_PLATFORM_UTILS_WIN_H_
7 7
8 #include <intrin.h> 8 #include <intrin.h>
9 #include <stdlib.h> 9 #include <stdlib.h>
10 10
11 namespace dart { 11 namespace dart {
12 12
13 inline int Utils::CountLeadingZeros(uword x) { 13 inline int Utils::CountLeadingZeros(uword x) {
14 unsigned long position; // NOLINT 14 unsigned long position; // NOLINT
15 #if defined(ARCH_IS_32_BIT) 15 #if defined(ARCH_IS_32_BIT)
16 _BitScanReverse(&position, x); 16 _BitScanReverse(&position, x);
17 #elif defined(ARCH_IS_64_BIT) 17 #elif defined(ARCH_IS_64_BIT)
18 _BitScanReverse64(&position, x); 18 _BitScanReverse64(&position, x);
19 #else 19 #else
20 #error Architecture is not 32-bit or 64-bit. 20 #error Architecture is not 32-bit or 64-bit.
21 #endif 21 #endif
22 return kBitsPerWord - static_cast<int>(position) - 1; 22 return kBitsPerWord - static_cast<int>(position) - 1;
23 } 23 }
24 24
25
26 inline int Utils::CountTrailingZeros(uword x) { 25 inline int Utils::CountTrailingZeros(uword x) {
27 unsigned long result; // NOLINT 26 unsigned long result; // NOLINT
28 #if defined(ARCH_IS_32_BIT) 27 #if defined(ARCH_IS_32_BIT)
29 _BitScanForward(&result, x); 28 _BitScanForward(&result, x);
30 #elif defined(ARCH_IS_64_BIT) 29 #elif defined(ARCH_IS_64_BIT)
31 _BitScanForward64(&result, x); 30 _BitScanForward64(&result, x);
32 #else 31 #else
33 #error Architecture is not 32-bit or 64-bit. 32 #error Architecture is not 32-bit or 64-bit.
34 #endif 33 #endif
35 return static_cast<int>(result); 34 return static_cast<int>(result);
36 } 35 }
37 36
38
39 inline uint16_t Utils::HostToBigEndian16(uint16_t value) { 37 inline uint16_t Utils::HostToBigEndian16(uint16_t value) {
40 return _byteswap_ushort(value); 38 return _byteswap_ushort(value);
41 } 39 }
42 40
43
44 inline uint32_t Utils::HostToBigEndian32(uint32_t value) { 41 inline uint32_t Utils::HostToBigEndian32(uint32_t value) {
45 return _byteswap_ulong(value); 42 return _byteswap_ulong(value);
46 } 43 }
47 44
48
49 inline uint64_t Utils::HostToBigEndian64(uint64_t value) { 45 inline uint64_t Utils::HostToBigEndian64(uint64_t value) {
50 return _byteswap_uint64(value); 46 return _byteswap_uint64(value);
51 } 47 }
52 48
53
54 inline uint16_t Utils::HostToLittleEndian16(uint16_t value) { 49 inline uint16_t Utils::HostToLittleEndian16(uint16_t value) {
55 return value; 50 return value;
56 } 51 }
57 52
58
59 inline uint32_t Utils::HostToLittleEndian32(uint32_t value) { 53 inline uint32_t Utils::HostToLittleEndian32(uint32_t value) {
60 return value; 54 return value;
61 } 55 }
62 56
63
64 inline uint64_t Utils::HostToLittleEndian64(uint64_t value) { 57 inline uint64_t Utils::HostToLittleEndian64(uint64_t value) {
65 return value; 58 return value;
66 } 59 }
67 60
68 } // namespace dart 61 } // namespace dart
69 62
70 #endif // RUNTIME_PLATFORM_UTILS_WIN_H_ 63 #endif // RUNTIME_PLATFORM_UTILS_WIN_H_
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