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Issue 8404030: Version 3.7.1 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 9 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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
(...skipping 1083 matching lines...) Expand 10 before | Expand all | Expand 10 after
1094 } 1094 }
1095 1095
1096 1096
1097 void MacroAssembler::InvokeFunction(JSFunction* function, 1097 void MacroAssembler::InvokeFunction(JSFunction* function,
1098 const ParameterCount& actual, 1098 const ParameterCount& actual,
1099 InvokeFlag flag, 1099 InvokeFlag flag,
1100 CallKind call_kind) { 1100 CallKind call_kind) {
1101 // You can't call a function without a valid frame. 1101 // You can't call a function without a valid frame.
1102 ASSERT(flag == JUMP_FUNCTION || has_frame()); 1102 ASSERT(flag == JUMP_FUNCTION || has_frame());
1103 1103
1104 ASSERT(function->is_compiled());
1105
1106 // Get the function and setup the context. 1104 // Get the function and setup the context.
1107 mov(r1, Operand(Handle<JSFunction>(function))); 1105 mov(r1, Operand(Handle<JSFunction>(function)));
1108 ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); 1106 ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
1109 1107
1110 // Invoke the cached code.
1111 Handle<Code> code(function->code());
1112 ParameterCount expected(function->shared()->formal_parameter_count()); 1108 ParameterCount expected(function->shared()->formal_parameter_count());
1113 if (V8::UseCrankshaft()) { 1109 // We call indirectly through the code field in the function to
1114 // TODO(kasperl): For now, we always call indirectly through the 1110 // allow recompilation to take effect without changing any of the
1115 // code field in the function to allow recompilation to take effect 1111 // call sites.
1116 // without changing any of the call sites. 1112 ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
1117 ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); 1113 InvokeCode(r3, expected, actual, flag, NullCallWrapper(), call_kind);
1118 InvokeCode(r3, expected, actual, flag, NullCallWrapper(), call_kind);
1119 } else {
1120 InvokeCode(code, expected, actual, RelocInfo::CODE_TARGET, flag, call_kind);
1121 }
1122 } 1114 }
1123 1115
1124 1116
1125 void MacroAssembler::IsObjectJSObjectType(Register heap_object, 1117 void MacroAssembler::IsObjectJSObjectType(Register heap_object,
1126 Register map, 1118 Register map,
1127 Register scratch, 1119 Register scratch,
1128 Label* fail) { 1120 Label* fail) {
1129 ldr(map, FieldMemOperand(heap_object, HeapObject::kMapOffset)); 1121 ldr(map, FieldMemOperand(heap_object, HeapObject::kMapOffset));
1130 IsInstanceJSObjectType(map, scratch, fail); 1122 IsInstanceJSObjectType(map, scratch, fail);
1131 } 1123 }
(...skipping 463 matching lines...) Expand 10 before | Expand all | Expand 10 after
1595 } 1587 }
1596 jmp(gc_required); 1588 jmp(gc_required);
1597 return; 1589 return;
1598 } 1590 }
1599 1591
1600 // Assert that the register arguments are different and that none of 1592 // Assert that the register arguments are different and that none of
1601 // them are ip. ip is used explicitly in the code generated below. 1593 // them are ip. ip is used explicitly in the code generated below.
1602 ASSERT(!result.is(scratch1)); 1594 ASSERT(!result.is(scratch1));
1603 ASSERT(!result.is(scratch2)); 1595 ASSERT(!result.is(scratch2));
1604 ASSERT(!scratch1.is(scratch2)); 1596 ASSERT(!scratch1.is(scratch2));
1597 ASSERT(!object_size.is(ip));
1605 ASSERT(!result.is(ip)); 1598 ASSERT(!result.is(ip));
1606 ASSERT(!scratch1.is(ip)); 1599 ASSERT(!scratch1.is(ip));
1607 ASSERT(!scratch2.is(ip)); 1600 ASSERT(!scratch2.is(ip));
1608 1601
1609 // Check relative positions of allocation top and limit addresses. 1602 // Check relative positions of allocation top and limit addresses.
1610 // The values must be adjacent in memory to allow the use of LDM. 1603 // The values must be adjacent in memory to allow the use of LDM.
1611 // Also, assert that the registers are numbered such that the values 1604 // Also, assert that the registers are numbered such that the values
1612 // are loaded in the correct order. 1605 // are loaded in the correct order.
1613 ExternalReference new_space_allocation_top = 1606 ExternalReference new_space_allocation_top =
1614 ExternalReference::new_space_allocation_top_address(isolate()); 1607 ExternalReference::new_space_allocation_top_address(isolate());
(...skipping 408 matching lines...) Expand 10 before | Expand all | Expand 10 after
2023 mov(ip, Operand(map)); 2016 mov(ip, Operand(map));
2024 cmp(scratch, ip); 2017 cmp(scratch, ip);
2025 Jump(success, RelocInfo::CODE_TARGET, eq); 2018 Jump(success, RelocInfo::CODE_TARGET, eq);
2026 bind(&fail); 2019 bind(&fail);
2027 } 2020 }
2028 2021
2029 2022
2030 void MacroAssembler::TryGetFunctionPrototype(Register function, 2023 void MacroAssembler::TryGetFunctionPrototype(Register function,
2031 Register result, 2024 Register result,
2032 Register scratch, 2025 Register scratch,
2033 Label* miss) { 2026 Label* miss,
2027 bool miss_on_bound_function) {
2034 // Check that the receiver isn't a smi. 2028 // Check that the receiver isn't a smi.
2035 JumpIfSmi(function, miss); 2029 JumpIfSmi(function, miss);
2036 2030
2037 // Check that the function really is a function. Load map into result reg. 2031 // Check that the function really is a function. Load map into result reg.
2038 CompareObjectType(function, result, scratch, JS_FUNCTION_TYPE); 2032 CompareObjectType(function, result, scratch, JS_FUNCTION_TYPE);
2039 b(ne, miss); 2033 b(ne, miss);
2040 2034
2035 if (miss_on_bound_function) {
2036 ldr(scratch,
2037 FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
2038 ldr(scratch,
2039 FieldMemOperand(scratch, SharedFunctionInfo::kCompilerHintsOffset));
2040 tst(scratch,
2041 Operand(Smi::FromInt(1 << SharedFunctionInfo::kBoundFunction)));
2042 b(ne, miss);
2043 }
2044
2041 // Make sure that the function has an instance prototype. 2045 // Make sure that the function has an instance prototype.
2042 Label non_instance; 2046 Label non_instance;
2043 ldrb(scratch, FieldMemOperand(result, Map::kBitFieldOffset)); 2047 ldrb(scratch, FieldMemOperand(result, Map::kBitFieldOffset));
2044 tst(scratch, Operand(1 << Map::kHasNonInstancePrototype)); 2048 tst(scratch, Operand(1 << Map::kHasNonInstancePrototype));
2045 b(ne, &non_instance); 2049 b(ne, &non_instance);
2046 2050
2047 // Get the prototype or initial map from the function. 2051 // Get the prototype or initial map from the function.
2048 ldr(result, 2052 ldr(result,
2049 FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); 2053 FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
2050 2054
(...skipping 1089 matching lines...) Expand 10 before | Expand all | Expand 10 after
3140 Register source, // Input. 3144 Register source, // Input.
3141 Register scratch) { 3145 Register scratch) {
3142 ASSERT(!zeros.is(source) || !source.is(scratch)); 3146 ASSERT(!zeros.is(source) || !source.is(scratch));
3143 ASSERT(!zeros.is(scratch)); 3147 ASSERT(!zeros.is(scratch));
3144 ASSERT(!scratch.is(ip)); 3148 ASSERT(!scratch.is(ip));
3145 ASSERT(!source.is(ip)); 3149 ASSERT(!source.is(ip));
3146 ASSERT(!zeros.is(ip)); 3150 ASSERT(!zeros.is(ip));
3147 #ifdef CAN_USE_ARMV5_INSTRUCTIONS 3151 #ifdef CAN_USE_ARMV5_INSTRUCTIONS
3148 clz(zeros, source); // This instruction is only supported after ARM5. 3152 clz(zeros, source); // This instruction is only supported after ARM5.
3149 #else 3153 #else
3154 // Order of the next two lines is important: zeros register
3155 // can be the same as source register.
3156 Move(scratch, source);
3150 mov(zeros, Operand(0, RelocInfo::NONE)); 3157 mov(zeros, Operand(0, RelocInfo::NONE));
3151 Move(scratch, source);
3152 // Top 16. 3158 // Top 16.
3153 tst(scratch, Operand(0xffff0000)); 3159 tst(scratch, Operand(0xffff0000));
3154 add(zeros, zeros, Operand(16), LeaveCC, eq); 3160 add(zeros, zeros, Operand(16), LeaveCC, eq);
3155 mov(scratch, Operand(scratch, LSL, 16), LeaveCC, eq); 3161 mov(scratch, Operand(scratch, LSL, 16), LeaveCC, eq);
3156 // Top 8. 3162 // Top 8.
3157 tst(scratch, Operand(0xff000000)); 3163 tst(scratch, Operand(0xff000000));
3158 add(zeros, zeros, Operand(8), LeaveCC, eq); 3164 add(zeros, zeros, Operand(8), LeaveCC, eq);
3159 mov(scratch, Operand(scratch, LSL, 8), LeaveCC, eq); 3165 mov(scratch, Operand(scratch, LSL, 8), LeaveCC, eq);
3160 // Top 4. 3166 // Top 4.
3161 tst(scratch, Operand(0xf0000000)); 3167 tst(scratch, Operand(0xf0000000));
(...skipping 489 matching lines...) Expand 10 before | Expand all | Expand 10 after
3651 void CodePatcher::EmitCondition(Condition cond) { 3657 void CodePatcher::EmitCondition(Condition cond) {
3652 Instr instr = Assembler::instr_at(masm_.pc_); 3658 Instr instr = Assembler::instr_at(masm_.pc_);
3653 instr = (instr & ~kCondMask) | cond; 3659 instr = (instr & ~kCondMask) | cond;
3654 masm_.emit(instr); 3660 masm_.emit(instr);
3655 } 3661 }
3656 3662
3657 3663
3658 } } // namespace v8::internal 3664 } } // namespace v8::internal
3659 3665
3660 #endif // V8_TARGET_ARCH_ARM 3666 #endif // V8_TARGET_ARCH_ARM
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