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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/bootstrapper.h" | 7 #include "src/bootstrapper.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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1758 // Push arguments below the return address to prepare jump to builtin. | 1758 // Push arguments below the return address to prepare jump to builtin. |
1759 __ PopReturnAddressTo(rcx); | 1759 __ PopReturnAddressTo(rcx); |
1760 __ Push(rdx); | 1760 __ Push(rdx); |
1761 __ Push(rax); | 1761 __ Push(rax); |
1762 | 1762 |
1763 // Figure out which native to call and setup the arguments. | 1763 // Figure out which native to call and setup the arguments. |
1764 if (cc == equal && strict()) { | 1764 if (cc == equal && strict()) { |
1765 __ PushReturnAddressFrom(rcx); | 1765 __ PushReturnAddressFrom(rcx); |
1766 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); | 1766 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); |
1767 } else { | 1767 } else { |
1768 Builtins::JavaScript builtin; | 1768 int context_index; |
1769 if (cc == equal) { | 1769 if (cc == equal) { |
1770 builtin = Builtins::EQUALS; | 1770 context_index = Context::EQUALS_BUILTIN_INDEX; |
1771 } else { | 1771 } else { |
1772 builtin = | 1772 context_index = is_strong(strength()) |
1773 is_strong(strength()) ? Builtins::COMPARE_STRONG : Builtins::COMPARE; | 1773 ? Context::COMPARE_STRONG_BUILTIN_INDEX |
| 1774 : Context::COMPARE_BUILTIN_INDEX; |
1774 __ Push(Smi::FromInt(NegativeComparisonResult(cc))); | 1775 __ Push(Smi::FromInt(NegativeComparisonResult(cc))); |
1775 } | 1776 } |
1776 | 1777 |
1777 __ PushReturnAddressFrom(rcx); | 1778 __ PushReturnAddressFrom(rcx); |
1778 | 1779 |
1779 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) | 1780 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) |
1780 // tagged as a small integer. | 1781 // tagged as a small integer. |
1781 __ InvokeBuiltin(builtin, JUMP_FUNCTION); | 1782 __ InvokeBuiltin(context_index, JUMP_FUNCTION); |
1782 } | 1783 } |
1783 | 1784 |
1784 __ bind(&miss); | 1785 __ bind(&miss); |
1785 GenerateMiss(masm); | 1786 GenerateMiss(masm); |
1786 } | 1787 } |
1787 | 1788 |
1788 | 1789 |
1789 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub, | 1790 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub, |
1790 bool is_super) { | 1791 bool is_super) { |
1791 // rax : number of arguments to the construct function | 1792 // rax : number of arguments to the construct function |
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1934 int argc, | 1935 int argc, |
1935 Label* non_function) { | 1936 Label* non_function) { |
1936 // Check for function proxy. | 1937 // Check for function proxy. |
1937 __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE); | 1938 __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE); |
1938 __ j(not_equal, non_function); | 1939 __ j(not_equal, non_function); |
1939 __ PopReturnAddressTo(rcx); | 1940 __ PopReturnAddressTo(rcx); |
1940 __ Push(rdi); // put proxy as additional argument under return address | 1941 __ Push(rdi); // put proxy as additional argument under return address |
1941 __ PushReturnAddressFrom(rcx); | 1942 __ PushReturnAddressFrom(rcx); |
1942 __ Set(rax, argc + 1); | 1943 __ Set(rax, argc + 1); |
1943 __ Set(rbx, 0); | 1944 __ Set(rbx, 0); |
1944 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY); | 1945 __ GetBuiltinEntry(rdx, Context::CALL_FUNCTION_PROXY_BUILTIN_INDEX); |
1945 { | 1946 { |
1946 Handle<Code> adaptor = | 1947 Handle<Code> adaptor = |
1947 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(); | 1948 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(); |
1948 __ jmp(adaptor, RelocInfo::CODE_TARGET); | 1949 __ jmp(adaptor, RelocInfo::CODE_TARGET); |
1949 } | 1950 } |
1950 | 1951 |
1951 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead | 1952 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead |
1952 // of the original receiver from the call site). | 1953 // of the original receiver from the call site). |
1953 __ bind(non_function); | 1954 __ bind(non_function); |
1954 __ movp(args->GetReceiverOperand(), rdi); | 1955 __ movp(args->GetReceiverOperand(), rdi); |
1955 __ Set(rax, argc); | 1956 __ Set(rax, argc); |
1956 __ Set(rbx, 0); | 1957 __ Set(rbx, 0); |
1957 __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION); | 1958 __ GetBuiltinEntry(rdx, Context::CALL_NON_FUNCTION_BUILTIN_INDEX); |
1958 Handle<Code> adaptor = | 1959 Handle<Code> adaptor = |
1959 isolate->builtins()->ArgumentsAdaptorTrampoline(); | 1960 isolate->builtins()->ArgumentsAdaptorTrampoline(); |
1960 __ Jump(adaptor, RelocInfo::CODE_TARGET); | 1961 __ Jump(adaptor, RelocInfo::CODE_TARGET); |
1961 } | 1962 } |
1962 | 1963 |
1963 | 1964 |
1964 static void EmitWrapCase(MacroAssembler* masm, | 1965 static void EmitWrapCase(MacroAssembler* masm, |
1965 StackArgumentsAccessor* args, | 1966 StackArgumentsAccessor* args, |
1966 Label* cont) { | 1967 Label* cont) { |
1967 // Wrap the receiver and patch it back onto the stack. | 1968 // Wrap the receiver and patch it back onto the stack. |
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2091 __ leap(jmp_reg, FieldOperand(jmp_reg, Code::kHeaderSize)); | 2092 __ leap(jmp_reg, FieldOperand(jmp_reg, Code::kHeaderSize)); |
2092 __ jmp(jmp_reg); | 2093 __ jmp(jmp_reg); |
2093 | 2094 |
2094 // rdi: called object | 2095 // rdi: called object |
2095 // rax: number of arguments | 2096 // rax: number of arguments |
2096 // r11: object map | 2097 // r11: object map |
2097 Label do_call; | 2098 Label do_call; |
2098 __ bind(&slow); | 2099 __ bind(&slow); |
2099 __ CmpInstanceType(r11, JS_FUNCTION_PROXY_TYPE); | 2100 __ CmpInstanceType(r11, JS_FUNCTION_PROXY_TYPE); |
2100 __ j(not_equal, &non_function_call); | 2101 __ j(not_equal, &non_function_call); |
2101 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR); | 2102 __ GetBuiltinEntry(rdx, |
| 2103 Context::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR_BUILTIN_INDEX); |
2102 __ jmp(&do_call); | 2104 __ jmp(&do_call); |
2103 | 2105 |
2104 __ bind(&non_function_call); | 2106 __ bind(&non_function_call); |
2105 __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 2107 __ GetBuiltinEntry(rdx, |
| 2108 Context::CALL_NON_FUNCTION_AS_CONSTRUCTOR_BUILTIN_INDEX); |
2106 __ bind(&do_call); | 2109 __ bind(&do_call); |
2107 // Set expected number of arguments to zero (not changing rax). | 2110 // Set expected number of arguments to zero (not changing rax). |
2108 __ Set(rbx, 0); | 2111 __ Set(rbx, 0); |
2109 __ Jump(isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 2112 __ Jump(isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
2110 RelocInfo::CODE_TARGET); | 2113 RelocInfo::CODE_TARGET); |
2111 } | 2114 } |
2112 | 2115 |
2113 | 2116 |
2114 static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) { | 2117 static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) { |
2115 __ movp(vector, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 2118 __ movp(vector, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
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3214 Label not_oddball; | 3217 Label not_oddball; |
3215 __ CmpInstanceType(rdi, ODDBALL_TYPE); | 3218 __ CmpInstanceType(rdi, ODDBALL_TYPE); |
3216 __ j(not_equal, ¬_oddball, Label::kNear); | 3219 __ j(not_equal, ¬_oddball, Label::kNear); |
3217 __ movp(rax, FieldOperand(rax, Oddball::kToNumberOffset)); | 3220 __ movp(rax, FieldOperand(rax, Oddball::kToNumberOffset)); |
3218 __ Ret(); | 3221 __ Ret(); |
3219 __ bind(¬_oddball); | 3222 __ bind(¬_oddball); |
3220 | 3223 |
3221 __ PopReturnAddressTo(rcx); // Pop return address. | 3224 __ PopReturnAddressTo(rcx); // Pop return address. |
3222 __ Push(rax); // Push argument. | 3225 __ Push(rax); // Push argument. |
3223 __ PushReturnAddressFrom(rcx); // Push return address. | 3226 __ PushReturnAddressFrom(rcx); // Push return address. |
3224 __ InvokeBuiltin(Builtins::TO_NUMBER, JUMP_FUNCTION); | 3227 __ InvokeBuiltin(Context::TO_NUMBER_BUILTIN_INDEX, JUMP_FUNCTION); |
3225 } | 3228 } |
3226 | 3229 |
3227 | 3230 |
3228 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, | 3231 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, |
3229 Register left, | 3232 Register left, |
3230 Register right, | 3233 Register right, |
3231 Register scratch1, | 3234 Register scratch1, |
3232 Register scratch2) { | 3235 Register scratch2) { |
3233 Register length = scratch1; | 3236 Register length = scratch1; |
3234 | 3237 |
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5474 kStackSpace, nullptr, return_value_operand, NULL); | 5477 kStackSpace, nullptr, return_value_operand, NULL); |
5475 } | 5478 } |
5476 | 5479 |
5477 | 5480 |
5478 #undef __ | 5481 #undef __ |
5479 | 5482 |
5480 } // namespace internal | 5483 } // namespace internal |
5481 } // namespace v8 | 5484 } // namespace v8 |
5482 | 5485 |
5483 #endif // V8_TARGET_ARCH_X64 | 5486 #endif // V8_TARGET_ARCH_X64 |
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