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Side by Side Diff: src/code-stubs.h

Issue 1387543002: Revert of [Interpreter] Add CallRuntime support to the interpreter. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 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 #ifndef V8_CODE_STUBS_H_ 5 #ifndef V8_CODE_STUBS_H_
6 #define V8_CODE_STUBS_H_ 6 #define V8_CODE_STUBS_H_
7 7
8 #include "src/allocation.h" 8 #include "src/allocation.h"
9 #include "src/assembler.h" 9 #include "src/assembler.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
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1817 DEFINE_HYDROGEN_CODE_STUB(CompareNilIC, HydrogenCodeStub); 1817 DEFINE_HYDROGEN_CODE_STUB(CompareNilIC, HydrogenCodeStub);
1818 }; 1818 };
1819 1819
1820 1820
1821 std::ostream& operator<<(std::ostream& os, const CompareNilICStub::State& s); 1821 std::ostream& operator<<(std::ostream& os, const CompareNilICStub::State& s);
1822 1822
1823 1823
1824 class CEntryStub : public PlatformCodeStub { 1824 class CEntryStub : public PlatformCodeStub {
1825 public: 1825 public:
1826 CEntryStub(Isolate* isolate, int result_size, 1826 CEntryStub(Isolate* isolate, int result_size,
1827 SaveFPRegsMode save_doubles = kDontSaveFPRegs, 1827 SaveFPRegsMode save_doubles = kDontSaveFPRegs)
1828 ArgvMode argv_mode = kArgvOnStack)
1829 : PlatformCodeStub(isolate) { 1828 : PlatformCodeStub(isolate) {
1830 minor_key_ = SaveDoublesBits::encode(save_doubles == kSaveFPRegs) | 1829 minor_key_ = SaveDoublesBits::encode(save_doubles == kSaveFPRegs);
1831 ArgvMode::encode(argv_mode == kArgvInRegister);
1832 DCHECK(result_size == 1 || result_size == 2); 1830 DCHECK(result_size == 1 || result_size == 2);
1833 #if _WIN64 || V8_TARGET_ARCH_PPC 1831 #if _WIN64 || V8_TARGET_ARCH_PPC
1834 minor_key_ = ResultSizeBits::update(minor_key_, result_size); 1832 minor_key_ = ResultSizeBits::update(minor_key_, result_size);
1835 #endif // _WIN64 1833 #endif // _WIN64
1836 } 1834 }
1837 1835
1838 // The version of this stub that doesn't save doubles is generated ahead of 1836 // The version of this stub that doesn't save doubles is generated ahead of
1839 // time, so it's OK to call it from other stubs that can't cope with GC during 1837 // time, so it's OK to call it from other stubs that can't cope with GC during
1840 // their code generation. On machines that always have gp registers (x64) we 1838 // their code generation. On machines that always have gp registers (x64) we
1841 // can generate both variants ahead of time. 1839 // can generate both variants ahead of time.
1842 static void GenerateAheadOfTime(Isolate* isolate); 1840 static void GenerateAheadOfTime(Isolate* isolate);
1843 1841
1844 private: 1842 private:
1845 bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); } 1843 bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); }
1846 bool argv_in_register() const { return ArgvMode::decode(minor_key_); }
1847 #if _WIN64 || V8_TARGET_ARCH_PPC 1844 #if _WIN64 || V8_TARGET_ARCH_PPC
1848 int result_size() const { return ResultSizeBits::decode(minor_key_); } 1845 int result_size() const { return ResultSizeBits::decode(minor_key_); }
1849 #endif // _WIN64 1846 #endif // _WIN64
1850 1847
1851 bool NeedsImmovableCode() override; 1848 bool NeedsImmovableCode() override;
1852 1849
1853 class SaveDoublesBits : public BitField<bool, 0, 1> {}; 1850 class SaveDoublesBits : public BitField<bool, 0, 1> {};
1854 class ArgvMode : public BitField<bool, 1, 1> {}; 1851 class ResultSizeBits : public BitField<int, 1, 3> {};
1855 class ResultSizeBits : public BitField<int, 2, 3> {};
1856 1852
1857 DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); 1853 DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
1858 DEFINE_PLATFORM_CODE_STUB(CEntry, PlatformCodeStub); 1854 DEFINE_PLATFORM_CODE_STUB(CEntry, PlatformCodeStub);
1859 }; 1855 };
1860 1856
1861 1857
1862 class JSEntryStub : public PlatformCodeStub { 1858 class JSEntryStub : public PlatformCodeStub {
1863 public: 1859 public:
1864 JSEntryStub(Isolate* isolate, StackFrame::Type type) 1860 JSEntryStub(Isolate* isolate, StackFrame::Type type)
1865 : PlatformCodeStub(isolate) { 1861 : PlatformCodeStub(isolate) {
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3096 #undef DEFINE_HYDROGEN_CODE_STUB 3092 #undef DEFINE_HYDROGEN_CODE_STUB
3097 #undef DEFINE_CODE_STUB 3093 #undef DEFINE_CODE_STUB
3098 #undef DEFINE_CODE_STUB_BASE 3094 #undef DEFINE_CODE_STUB_BASE
3099 3095
3100 extern Representation RepresentationFromType(Type* type); 3096 extern Representation RepresentationFromType(Type* type);
3101 3097
3102 } // namespace internal 3098 } // namespace internal
3103 } // namespace v8 3099 } // namespace v8
3104 3100
3105 #endif // V8_CODE_STUBS_H_ 3101 #endif // V8_CODE_STUBS_H_
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