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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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| 795 | 795 |
| 796 // --------------------------------------------------------------------------- | 796 // --------------------------------------------------------------------------- |
| 797 // Macro instructions. | 797 // Macro instructions. |
| 798 | 798 |
| 799 // Load/store with specific representation. | 799 // Load/store with specific representation. |
| 800 void Load(Register dst, const Operand& src, Representation r); | 800 void Load(Register dst, const Operand& src, Representation r); |
| 801 void Store(const Operand& dst, Register src, Representation r); | 801 void Store(const Operand& dst, Register src, Representation r); |
| 802 | 802 |
| 803 // Load a register with a long value as efficiently as possible. | 803 // Load a register with a long value as efficiently as possible. |
| 804 void Set(Register dst, int64_t x); | 804 void Set(Register dst, int64_t x); |
| 805 void Set(const Operand& dst, intptr_t x); | 805 void Set(const Operand& dst, int64_t x); |
| 806 | 806 |
| 807 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which | 807 // cvtsi2sd instruction only writes to the low 64-bit of dst register, which |
| 808 // hinders register renaming and makes dependence chains longer. So we use | 808 // hinders register renaming and makes dependence chains longer. So we use |
| 809 // xorps to clear the dst register before cvtsi2sd to solve this issue. | 809 // xorps to clear the dst register before cvtsi2sd to solve this issue. |
| 810 void Cvtlsi2sd(XMMRegister dst, Register src); | 810 void Cvtlsi2sd(XMMRegister dst, Register src); |
| 811 void Cvtlsi2sd(XMMRegister dst, const Operand& src); | 811 void Cvtlsi2sd(XMMRegister dst, const Operand& src); |
| 812 | 812 |
| 813 // Move if the registers are not identical. | 813 // Move if the registers are not identical. |
| 814 void Move(Register target, Register source); | 814 void Move(Register target, Register source); |
| 815 | 815 |
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| 858 AllowDeferredHandleDereference using_raw_address; | 858 AllowDeferredHandleDereference using_raw_address; |
| 859 ASSERT(!RelocInfo::IsNone(rmode)); | 859 ASSERT(!RelocInfo::IsNone(rmode)); |
| 860 ASSERT(value->IsHeapObject()); | 860 ASSERT(value->IsHeapObject()); |
| 861 ASSERT(!isolate()->heap()->InNewSpace(*value)); | 861 ASSERT(!isolate()->heap()->InNewSpace(*value)); |
| 862 movp(dst, value.location(), rmode); | 862 movp(dst, value.location(), rmode); |
| 863 } | 863 } |
| 864 | 864 |
| 865 // Control Flow | 865 // Control Flow |
| 866 void Jump(Address destination, RelocInfo::Mode rmode); | 866 void Jump(Address destination, RelocInfo::Mode rmode); |
| 867 void Jump(ExternalReference ext); | 867 void Jump(ExternalReference ext); |
| 868 void Jump(const Operand& op); | |
| 869 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); | 868 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); |
| 870 | 869 |
| 871 void Call(Address destination, RelocInfo::Mode rmode); | 870 void Call(Address destination, RelocInfo::Mode rmode); |
| 872 void Call(ExternalReference ext); | 871 void Call(ExternalReference ext); |
| 873 void Call(const Operand& op); | |
| 874 void Call(Handle<Code> code_object, | 872 void Call(Handle<Code> code_object, |
| 875 RelocInfo::Mode rmode, | 873 RelocInfo::Mode rmode, |
| 876 TypeFeedbackId ast_id = TypeFeedbackId::None()); | 874 TypeFeedbackId ast_id = TypeFeedbackId::None()); |
| 877 | 875 |
| 878 // The size of the code generated for different call instructions. | 876 // The size of the code generated for different call instructions. |
| 879 int CallSize(Address destination) { | 877 int CallSize(Address destination) { |
| 880 return kCallSequenceLength; | 878 return kCallSequenceLength; |
| 881 } | 879 } |
| 882 int CallSize(ExternalReference ext); | 880 int CallSize(ExternalReference ext); |
| 883 int CallSize(Handle<Code> code_object) { | 881 int CallSize(Handle<Code> code_object) { |
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| 1227 // transitioned_kind from the native context if the map in register | 1225 // transitioned_kind from the native context if the map in register |
| 1228 // map_in_out is the cached Array map in the native context of | 1226 // map_in_out is the cached Array map in the native context of |
| 1229 // expected_kind. | 1227 // expected_kind. |
| 1230 void LoadTransitionedArrayMapConditional( | 1228 void LoadTransitionedArrayMapConditional( |
| 1231 ElementsKind expected_kind, | 1229 ElementsKind expected_kind, |
| 1232 ElementsKind transitioned_kind, | 1230 ElementsKind transitioned_kind, |
| 1233 Register map_in_out, | 1231 Register map_in_out, |
| 1234 Register scratch, | 1232 Register scratch, |
| 1235 Label* no_map_match); | 1233 Label* no_map_match); |
| 1236 | 1234 |
| 1235 // Load the initial map for new Arrays from a JSFunction. |
| 1236 void LoadInitialArrayMap(Register function_in, |
| 1237 Register scratch, |
| 1238 Register map_out, |
| 1239 bool can_have_holes); |
| 1240 |
| 1237 // Load the global function with the given index. | 1241 // Load the global function with the given index. |
| 1238 void LoadGlobalFunction(int index, Register function); | 1242 void LoadGlobalFunction(int index, Register function); |
| 1239 void LoadArrayFunction(Register function); | 1243 void LoadArrayFunction(Register function); |
| 1240 | 1244 |
| 1241 // Load the initial map from the global function. The registers | 1245 // Load the initial map from the global function. The registers |
| 1242 // function and map can be the same. | 1246 // function and map can be the same. |
| 1243 void LoadGlobalFunctionInitialMap(Register function, Register map); | 1247 void LoadGlobalFunctionInitialMap(Register function, Register map); |
| 1244 | 1248 |
| 1245 // --------------------------------------------------------------------------- | 1249 // --------------------------------------------------------------------------- |
| 1246 // Runtime calls | 1250 // Runtime calls |
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| 1608 masm->popfq(); \ | 1612 masm->popfq(); \ |
| 1609 } \ | 1613 } \ |
| 1610 masm-> | 1614 masm-> |
| 1611 #else | 1615 #else |
| 1612 #define ACCESS_MASM(masm) masm-> | 1616 #define ACCESS_MASM(masm) masm-> |
| 1613 #endif | 1617 #endif |
| 1614 | 1618 |
| 1615 } } // namespace v8::internal | 1619 } } // namespace v8::internal |
| 1616 | 1620 |
| 1617 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1621 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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