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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_BASE_BUILD_CONFIG_H_ | 5 #ifndef V8_BASE_BUILD_CONFIG_H_ |
6 #define V8_BASE_BUILD_CONFIG_H_ | 6 #define V8_BASE_BUILD_CONFIG_H_ |
7 | 7 |
8 #include "include/v8config.h" | 8 #include "include/v8config.h" |
9 | 9 |
10 // Processor architecture detection. For more info on what's defined, see: | 10 // Processor architecture detection. For more info on what's defined, see: |
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61 | 61 |
62 #if defined(__ARM_ARCH_7A__) || \ | 62 #if defined(__ARM_ARCH_7A__) || \ |
63 defined(__ARM_ARCH_7R__) || \ | 63 defined(__ARM_ARCH_7R__) || \ |
64 defined(__ARM_ARCH_7__) | 64 defined(__ARM_ARCH_7__) |
65 # define CAN_USE_ARMV7_INSTRUCTIONS 1 | 65 # define CAN_USE_ARMV7_INSTRUCTIONS 1 |
66 # ifndef CAN_USE_VFP3_INSTRUCTIONS | 66 # ifndef CAN_USE_VFP3_INSTRUCTIONS |
67 # define CAN_USE_VFP3_INSTRUCTIONS | 67 # define CAN_USE_VFP3_INSTRUCTIONS |
68 # endif | 68 # endif |
69 #endif | 69 #endif |
70 | 70 |
| 71 #if defined(__ARM_ARCH_8A__) |
| 72 # define CAN_USE_ARMV8_INSTRUCTIONS 1 |
| 73 #endif |
| 74 |
71 | 75 |
72 // Target architecture detection. This may be set externally. If not, detect | 76 // Target architecture detection. This may be set externally. If not, detect |
73 // in the same way as the host architecture, that is, target the native | 77 // in the same way as the host architecture, that is, target the native |
74 // environment as presented by the compiler. | 78 // environment as presented by the compiler. |
75 #if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_IA32 && !V8_TARGET_ARCH_X87 && \ | 79 #if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_IA32 && !V8_TARGET_ARCH_X87 && \ |
76 !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_ARM64 && !V8_TARGET_ARCH_MIPS && \ | 80 !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_ARM64 && !V8_TARGET_ARCH_MIPS && \ |
77 !V8_TARGET_ARCH_MIPS64 && !V8_TARGET_ARCH_PPC | 81 !V8_TARGET_ARCH_MIPS64 && !V8_TARGET_ARCH_PPC |
78 #if defined(_M_X64) || defined(__x86_64__) | 82 #if defined(_M_X64) || defined(__x86_64__) |
79 #define V8_TARGET_ARCH_X64 1 | 83 #define V8_TARGET_ARCH_X64 1 |
80 #elif defined(_M_IX86) || defined(__i386__) | 84 #elif defined(_M_IX86) || defined(__i386__) |
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182 // Number of bits to represent the page size for paged spaces. The value of 20 | 186 // Number of bits to represent the page size for paged spaces. The value of 20 |
183 // gives 1Mb bytes per page. | 187 // gives 1Mb bytes per page. |
184 #if V8_HOST_ARCH_PPC && V8_TARGET_ARCH_PPC && V8_OS_LINUX | 188 #if V8_HOST_ARCH_PPC && V8_TARGET_ARCH_PPC && V8_OS_LINUX |
185 // Bump up for Power Linux due to larger (64K) page size. | 189 // Bump up for Power Linux due to larger (64K) page size. |
186 const int kPageSizeBits = 22; | 190 const int kPageSizeBits = 22; |
187 #else | 191 #else |
188 const int kPageSizeBits = 20; | 192 const int kPageSizeBits = 20; |
189 #endif | 193 #endif |
190 | 194 |
191 #endif // V8_BASE_BUILD_CONFIG_H_ | 195 #endif // V8_BASE_BUILD_CONFIG_H_ |
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