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Side by Side Diff: src/arm/assembler-arm.h

Issue 1758003: Changed inlined property load detection on ARM... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 8 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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889 const DwVfpRegister src2, 889 const DwVfpRegister src2,
890 const Condition cond = al); 890 const Condition cond = al);
891 void vcmp(const DwVfpRegister src1, 891 void vcmp(const DwVfpRegister src1,
892 const DwVfpRegister src2, 892 const DwVfpRegister src2,
893 const SBit s = LeaveCC, 893 const SBit s = LeaveCC,
894 const Condition cond = al); 894 const Condition cond = al);
895 void vmrs(const Register dst, 895 void vmrs(const Register dst,
896 const Condition cond = al); 896 const Condition cond = al);
897 897
898 // Pseudo instructions 898 // Pseudo instructions
899 void nop() { mov(r0, Operand(r0)); } 899 void nop(int type = 0);
900 900
901 void push(Register src, Condition cond = al) { 901 void push(Register src, Condition cond = al) {
902 str(src, MemOperand(sp, 4, NegPreIndex), cond); 902 str(src, MemOperand(sp, 4, NegPreIndex), cond);
903 } 903 }
904 904
905 void pop(Register dst, Condition cond = al) { 905 void pop(Register dst, Condition cond = al) {
906 ldr(dst, MemOperand(sp, 4, PostIndex), cond); 906 ldr(dst, MemOperand(sp, 4, PostIndex), cond);
907 } 907 }
908 908
909 void pop() { 909 void pop() {
(...skipping 12 matching lines...) Expand all
922 return (pc_offset() - l->pos()) / kInstrSize; 922 return (pc_offset() - l->pos()) / kInstrSize;
923 } 923 }
924 924
925 // Check whether an immediate fits an addressing mode 1 instruction. 925 // Check whether an immediate fits an addressing mode 1 instruction.
926 bool ImmediateFitsAddrMode1Instruction(int32_t imm32); 926 bool ImmediateFitsAddrMode1Instruction(int32_t imm32);
927 927
928 // Class for scoping postponing the constant pool generation. 928 // Class for scoping postponing the constant pool generation.
929 class BlockConstPoolScope { 929 class BlockConstPoolScope {
930 public: 930 public:
931 explicit BlockConstPoolScope(Assembler* assem) : assem_(assem) { 931 explicit BlockConstPoolScope(Assembler* assem) : assem_(assem) {
932 assem_->const_pool_blocked_nesting_++; 932 assem_->StartBlockConstPool();
933 } 933 }
934 ~BlockConstPoolScope() { 934 ~BlockConstPoolScope() {
935 assem_->const_pool_blocked_nesting_--; 935 assem_->EndBlockConstPool();
936 } 936 }
937 937
938 private: 938 private:
939 Assembler* assem_; 939 Assembler* assem_;
940 940
941 DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope); 941 DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope);
942 }; 942 };
943 943
944 // Debugging 944 // Debugging
945 945
946 // Mark address of the ExitJSFrame code. 946 // Mark address of the ExitJSFrame code.
947 void RecordJSReturn(); 947 void RecordJSReturn();
948 948
949 // Record a comment relocation entry that can be used by a disassembler. 949 // Record a comment relocation entry that can be used by a disassembler.
950 // Use --debug_code to enable. 950 // Use --debug_code to enable.
951 void RecordComment(const char* msg); 951 void RecordComment(const char* msg);
952 952
953 void RecordPosition(int pos); 953 void RecordPosition(int pos);
954 void RecordStatementPosition(int pos); 954 void RecordStatementPosition(int pos);
955 void WriteRecordedPositions(); 955 void WriteRecordedPositions();
956 956
957 int pc_offset() const { return pc_ - buffer_; } 957 int pc_offset() const { return pc_ - buffer_; }
958 int current_position() const { return current_position_; } 958 int current_position() const { return current_position_; }
959 int current_statement_position() const { return current_statement_position_; } 959 int current_statement_position() const { return current_statement_position_; }
960 960
961 void StartBlockConstPool() {
962 const_pool_blocked_nesting_++;
963 }
964 void EndBlockConstPool() {
965 const_pool_blocked_nesting_--;
966 }
967
961 // Read/patch instructions 968 // Read/patch instructions
962 static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); } 969 static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); }
963 static void instr_at_put(byte* pc, Instr instr) { 970 static void instr_at_put(byte* pc, Instr instr) {
964 *reinterpret_cast<Instr*>(pc) = instr; 971 *reinterpret_cast<Instr*>(pc) = instr;
965 } 972 }
966 static bool IsB(Instr instr); 973 static bool IsNop(Instr instr, int type = 0);
967 static int GetBOffset(Instr instr); 974 static bool IsBranch(Instr instr);
975 static int GetBranchOffset(Instr instr);
968 static bool IsLdrRegisterImmediate(Instr instr); 976 static bool IsLdrRegisterImmediate(Instr instr);
969 static int GetLdrRegisterImmediateOffset(Instr instr); 977 static int GetLdrRegisterImmediateOffset(Instr instr);
970 static Instr SetLdrRegisterImmediateOffset(Instr instr, int offset); 978 static Instr SetLdrRegisterImmediateOffset(Instr instr, int offset);
971 979
980
972 protected: 981 protected:
973 int buffer_space() const { return reloc_info_writer.pos() - pc_; } 982 int buffer_space() const { return reloc_info_writer.pos() - pc_; }
974 983
975 // Read/patch instructions 984 // Read/patch instructions
976 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); } 985 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); }
977 void instr_at_put(int pos, Instr instr) { 986 void instr_at_put(int pos, Instr instr) {
978 *reinterpret_cast<Instr*>(buffer_ + pos) = instr; 987 *reinterpret_cast<Instr*>(buffer_ + pos) = instr;
979 } 988 }
980 989
981 // Decode branch instruction at pos and return branch target pos 990 // Decode branch instruction at pos and return branch target pos
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1094 1103
1095 friend class RegExpMacroAssemblerARM; 1104 friend class RegExpMacroAssemblerARM;
1096 friend class RelocInfo; 1105 friend class RelocInfo;
1097 friend class CodePatcher; 1106 friend class CodePatcher;
1098 friend class BlockConstPoolScope; 1107 friend class BlockConstPoolScope;
1099 }; 1108 };
1100 1109
1101 } } // namespace v8::internal 1110 } } // namespace v8::internal
1102 1111
1103 #endif // V8_ARM_ASSEMBLER_ARM_H_ 1112 #endif // V8_ARM_ASSEMBLER_ARM_H_
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