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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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 6 | 6 |
| 7 #include "src/arm64/frames-arm64.h" | 7 #include "src/arm64/frames-arm64.h" |
| 8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
| 9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
| 10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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| 646 __ Unreachable(); | 646 __ Unreachable(); |
| 647 } | 647 } |
| 648 | 648 |
| 649 __ Bind(&slow); | 649 __ Bind(&slow); |
| 650 | 650 |
| 651 __ Push(lhs, rhs); | 651 __ Push(lhs, rhs); |
| 652 // Figure out which native to call and setup the arguments. | 652 // Figure out which native to call and setup the arguments. |
| 653 if (cond == eq && strict()) { | 653 if (cond == eq && strict()) { |
| 654 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); | 654 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); |
| 655 } else { | 655 } else { |
| 656 Builtins::JavaScript native; | 656 int context_index; |
| 657 if (cond == eq) { | 657 if (cond == eq) { |
| 658 native = Builtins::EQUALS; | 658 context_index = Context::EQUALS_BUILTIN_INDEX; |
| 659 } else { | 659 } else { |
| 660 native = | 660 context_index = is_strong(strength()) |
| 661 is_strong(strength()) ? Builtins::COMPARE_STRONG : Builtins::COMPARE; | 661 ? Context::COMPARE_STRONG_BUILTIN_INDEX |
| 662 : Context::COMPARE_BUILTIN_INDEX; |
| 662 int ncr; // NaN compare result | 663 int ncr; // NaN compare result |
| 663 if ((cond == lt) || (cond == le)) { | 664 if ((cond == lt) || (cond == le)) { |
| 664 ncr = GREATER; | 665 ncr = GREATER; |
| 665 } else { | 666 } else { |
| 666 DCHECK((cond == gt) || (cond == ge)); // remaining cases | 667 DCHECK((cond == gt) || (cond == ge)); // remaining cases |
| 667 ncr = LESS; | 668 ncr = LESS; |
| 668 } | 669 } |
| 669 __ Mov(x10, Smi::FromInt(ncr)); | 670 __ Mov(x10, Smi::FromInt(ncr)); |
| 670 __ Push(x10); | 671 __ Push(x10); |
| 671 } | 672 } |
| 672 | 673 |
| 673 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) | 674 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) |
| 674 // tagged as a small integer. | 675 // tagged as a small integer. |
| 675 __ InvokeBuiltin(native, JUMP_FUNCTION); | 676 __ InvokeBuiltin(context_index, JUMP_FUNCTION); |
| 676 } | 677 } |
| 677 | 678 |
| 678 __ Bind(&miss); | 679 __ Bind(&miss); |
| 679 GenerateMiss(masm); | 680 GenerateMiss(masm); |
| 680 } | 681 } |
| 681 | 682 |
| 682 | 683 |
| 683 void StoreBufferOverflowStub::Generate(MacroAssembler* masm) { | 684 void StoreBufferOverflowStub::Generate(MacroAssembler* masm) { |
| 684 CPURegList saved_regs = kCallerSaved; | 685 CPURegList saved_regs = kCallerSaved; |
| 685 CPURegList saved_fp_regs = kCallerSavedFP; | 686 CPURegList saved_fp_regs = kCallerSavedFP; |
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| 2811 int argc, | 2812 int argc, |
| 2812 Register function, | 2813 Register function, |
| 2813 Register type, | 2814 Register type, |
| 2814 Label* non_function) { | 2815 Label* non_function) { |
| 2815 // Check for function proxy. | 2816 // Check for function proxy. |
| 2816 // x10 : function type. | 2817 // x10 : function type. |
| 2817 __ CompareAndBranch(type, JS_FUNCTION_PROXY_TYPE, ne, non_function); | 2818 __ CompareAndBranch(type, JS_FUNCTION_PROXY_TYPE, ne, non_function); |
| 2818 __ Push(function); // put proxy as additional argument | 2819 __ Push(function); // put proxy as additional argument |
| 2819 __ Mov(x0, argc + 1); | 2820 __ Mov(x0, argc + 1); |
| 2820 __ Mov(x2, 0); | 2821 __ Mov(x2, 0); |
| 2821 __ GetBuiltinFunction(x1, Builtins::CALL_FUNCTION_PROXY); | 2822 __ GetBuiltinFunction(x1, Context::CALL_FUNCTION_PROXY_BUILTIN_INDEX); |
| 2822 { | 2823 { |
| 2823 Handle<Code> adaptor = | 2824 Handle<Code> adaptor = |
| 2824 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(); | 2825 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(); |
| 2825 __ Jump(adaptor, RelocInfo::CODE_TARGET); | 2826 __ Jump(adaptor, RelocInfo::CODE_TARGET); |
| 2826 } | 2827 } |
| 2827 | 2828 |
| 2828 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead | 2829 // CALL_NON_FUNCTION expects the non-function callee as receiver (instead |
| 2829 // of the original receiver from the call site). | 2830 // of the original receiver from the call site). |
| 2830 __ Bind(non_function); | 2831 __ Bind(non_function); |
| 2831 __ Poke(function, argc * kXRegSize); | 2832 __ Poke(function, argc * kXRegSize); |
| 2832 __ Mov(x0, argc); // Set up the number of arguments. | 2833 __ Mov(x0, argc); // Set up the number of arguments. |
| 2833 __ Mov(x2, 0); | 2834 __ Mov(x2, 0); |
| 2834 __ GetBuiltinFunction(function, Builtins::CALL_NON_FUNCTION); | 2835 __ GetBuiltinFunction(function, Context::CALL_NON_FUNCTION_BUILTIN_INDEX); |
| 2835 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 2836 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 2836 RelocInfo::CODE_TARGET); | 2837 RelocInfo::CODE_TARGET); |
| 2837 } | 2838 } |
| 2838 | 2839 |
| 2839 | 2840 |
| 2840 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { | 2841 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { |
| 2841 // Wrap the receiver and patch it back onto the stack. | 2842 // Wrap the receiver and patch it back onto the stack. |
| 2842 { FrameScope frame_scope(masm, StackFrame::INTERNAL); | 2843 { FrameScope frame_scope(masm, StackFrame::INTERNAL); |
| 2843 __ Push(x1); | 2844 __ Push(x1); |
| 2844 __ Mov(x0, x3); | 2845 __ Mov(x0, x3); |
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| 2972 __ Ldr(cons_stub, | 2973 __ Ldr(cons_stub, |
| 2973 FieldMemOperand(shared_func_info, | 2974 FieldMemOperand(shared_func_info, |
| 2974 SharedFunctionInfo::kConstructStubOffset)); | 2975 SharedFunctionInfo::kConstructStubOffset)); |
| 2975 __ Add(cons_stub_code, cons_stub, Code::kHeaderSize - kHeapObjectTag); | 2976 __ Add(cons_stub_code, cons_stub, Code::kHeaderSize - kHeapObjectTag); |
| 2976 __ Br(cons_stub_code); | 2977 __ Br(cons_stub_code); |
| 2977 | 2978 |
| 2978 Label do_call; | 2979 Label do_call; |
| 2979 __ Bind(&slow); | 2980 __ Bind(&slow); |
| 2980 __ Cmp(object_type, JS_FUNCTION_PROXY_TYPE); | 2981 __ Cmp(object_type, JS_FUNCTION_PROXY_TYPE); |
| 2981 __ B(ne, &non_function_call); | 2982 __ B(ne, &non_function_call); |
| 2982 __ GetBuiltinFunction(x1, Builtins::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR); | 2983 __ GetBuiltinFunction( |
| 2984 x1, Context::CALL_FUNCTION_PROXY_AS_CONSTRUCTOR_BUILTIN_INDEX); |
| 2983 __ B(&do_call); | 2985 __ B(&do_call); |
| 2984 | 2986 |
| 2985 __ Bind(&non_function_call); | 2987 __ Bind(&non_function_call); |
| 2986 __ GetBuiltinFunction(x1, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 2988 __ GetBuiltinFunction( |
| 2989 x1, Context::CALL_NON_FUNCTION_AS_CONSTRUCTOR_BUILTIN_INDEX); |
| 2987 | 2990 |
| 2988 __ Bind(&do_call); | 2991 __ Bind(&do_call); |
| 2989 // Set expected number of arguments to zero (not changing x0). | 2992 // Set expected number of arguments to zero (not changing x0). |
| 2990 __ Mov(x2, 0); | 2993 __ Mov(x2, 0); |
| 2991 __ Jump(isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 2994 __ Jump(isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 2992 RelocInfo::CODE_TARGET); | 2995 RelocInfo::CODE_TARGET); |
| 2993 } | 2996 } |
| 2994 | 2997 |
| 2995 | 2998 |
| 2996 static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) { | 2999 static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) { |
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| 3985 __ Bind(¬_string); | 3988 __ Bind(¬_string); |
| 3986 | 3989 |
| 3987 Label not_oddball; | 3990 Label not_oddball; |
| 3988 __ Cmp(x1, ODDBALL_TYPE); | 3991 __ Cmp(x1, ODDBALL_TYPE); |
| 3989 __ B(ne, ¬_oddball); | 3992 __ B(ne, ¬_oddball); |
| 3990 __ Ldr(x0, FieldMemOperand(x0, Oddball::kToNumberOffset)); | 3993 __ Ldr(x0, FieldMemOperand(x0, Oddball::kToNumberOffset)); |
| 3991 __ Ret(); | 3994 __ Ret(); |
| 3992 __ Bind(¬_oddball); | 3995 __ Bind(¬_oddball); |
| 3993 | 3996 |
| 3994 __ Push(x0); // Push argument. | 3997 __ Push(x0); // Push argument. |
| 3995 __ InvokeBuiltin(Builtins::TO_NUMBER, JUMP_FUNCTION); | 3998 __ InvokeBuiltin(Context::TO_NUMBER_BUILTIN_INDEX, JUMP_FUNCTION); |
| 3996 } | 3999 } |
| 3997 | 4000 |
| 3998 | 4001 |
| 3999 void StringHelper::GenerateFlatOneByteStringEquals( | 4002 void StringHelper::GenerateFlatOneByteStringEquals( |
| 4000 MacroAssembler* masm, Register left, Register right, Register scratch1, | 4003 MacroAssembler* masm, Register left, Register right, Register scratch1, |
| 4001 Register scratch2, Register scratch3) { | 4004 Register scratch2, Register scratch3) { |
| 4002 DCHECK(!AreAliased(left, right, scratch1, scratch2, scratch3)); | 4005 DCHECK(!AreAliased(left, right, scratch1, scratch2, scratch3)); |
| 4003 Register result = x0; | 4006 Register result = x0; |
| 4004 Register left_length = scratch1; | 4007 Register left_length = scratch1; |
| 4005 Register right_length = scratch2; | 4008 Register right_length = scratch2; |
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| 5908 MemOperand(fp, 6 * kPointerSize), NULL); | 5911 MemOperand(fp, 6 * kPointerSize), NULL); |
| 5909 } | 5912 } |
| 5910 | 5913 |
| 5911 | 5914 |
| 5912 #undef __ | 5915 #undef __ |
| 5913 | 5916 |
| 5914 } // namespace internal | 5917 } // namespace internal |
| 5915 } // namespace v8 | 5918 } // namespace v8 |
| 5916 | 5919 |
| 5917 #endif // V8_TARGET_ARCH_ARM64 | 5920 #endif // V8_TARGET_ARCH_ARM64 |
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