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Issue 326333002: Drop globals.h include from platform.h (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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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 // 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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/macro-assembler.h" 9 #include "src/macro-assembler.h"
10 #include "src/serialize.h" 10 #include "src/serialize.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace internal {
14 14
15 // ----------------------------------------------------------------------------- 15 // -----------------------------------------------------------------------------
16 // Implementation of CpuFeatures 16 // Implementation of CpuFeatures
17 17
18 void CpuFeatures::ProbeImpl(bool cross_compile) { 18 void CpuFeatures::ProbeImpl(bool cross_compile) {
19 CPU cpu; 19 CPU cpu;
20 CHECK(cpu.has_sse2()); // SSE2 support is mandatory. 20 CHECK(cpu.has_sse2()); // SSE2 support is mandatory.
21 CHECK(cpu.has_cmov()); // CMOV support is mandatory. 21 CHECK(cpu.has_cmov()); // CMOV support is mandatory.
22 22
23 supported_ |= OS::CpuFeaturesImpliedByPlatform();
24
25 // Only use statically determined features for cross compile (snapshot). 23 // Only use statically determined features for cross compile (snapshot).
26 if (cross_compile) return; 24 if (cross_compile) return;
27 25
28 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; 26 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1;
29 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; 27 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3;
30 // SAHF is not generally available in long mode. 28 // SAHF is not generally available in long mode.
31 if (cpu.has_sahf() && FLAG_enable_sahf) supported_|= 1u << SAHF; 29 if (cpu.has_sahf() && FLAG_enable_sahf) supported_|= 1u << SAHF;
32 } 30 }
33 31
34 32
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2970 2968
2971 2969
2972 bool RelocInfo::IsInConstantPool() { 2970 bool RelocInfo::IsInConstantPool() {
2973 return false; 2971 return false;
2974 } 2972 }
2975 2973
2976 2974
2977 } } // namespace v8::internal 2975 } } // namespace v8::internal
2978 2976
2979 #endif // V8_TARGET_ARCH_X64 2977 #endif // V8_TARGET_ARCH_X64
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