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Issue 595863002: Adding more missing deoptimization points in Turbofan. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebase Created 6 years, 2 months ago
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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 // 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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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2885 // Push a copy of the function (found below the arguments) and 2885 // Push a copy of the function (found below the arguments) and
2886 // resolve eval. 2886 // resolve eval.
2887 __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize)); 2887 __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
2888 __ push(r1); 2888 __ push(r1);
2889 EmitResolvePossiblyDirectEval(arg_count); 2889 EmitResolvePossiblyDirectEval(arg_count);
2890 2890
2891 // The runtime call returns a pair of values in r0 (function) and 2891 // The runtime call returns a pair of values in r0 (function) and
2892 // r1 (receiver). Touch up the stack with the right values. 2892 // r1 (receiver). Touch up the stack with the right values.
2893 __ str(r0, MemOperand(sp, (arg_count + 1) * kPointerSize)); 2893 __ str(r0, MemOperand(sp, (arg_count + 1) * kPointerSize));
2894 __ str(r1, MemOperand(sp, arg_count * kPointerSize)); 2894 __ str(r1, MemOperand(sp, arg_count * kPointerSize));
2895
2896 PrepareForBailoutForId(expr->EvalOrLookupId(), NO_REGISTERS);
2895 } 2897 }
2896 2898
2897 // Record source position for debugger. 2899 // Record source position for debugger.
2898 SetSourcePosition(expr->position()); 2900 SetSourcePosition(expr->position());
2899 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 2901 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
2900 __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize)); 2902 __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
2901 __ CallStub(&stub); 2903 __ CallStub(&stub);
2902 RecordJSReturnSite(expr); 2904 RecordJSReturnSite(expr);
2903 // Restore context register. 2905 // Restore context register.
2904 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2906 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
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2918 } 2920 }
2919 2921
2920 __ bind(&slow); 2922 __ bind(&slow);
2921 // Call the runtime to find the function to call (returned in r0) 2923 // Call the runtime to find the function to call (returned in r0)
2922 // and the object holding it (returned in edx). 2924 // and the object holding it (returned in edx).
2923 DCHECK(!context_register().is(r2)); 2925 DCHECK(!context_register().is(r2));
2924 __ mov(r2, Operand(proxy->name())); 2926 __ mov(r2, Operand(proxy->name()));
2925 __ Push(context_register(), r2); 2927 __ Push(context_register(), r2);
2926 __ CallRuntime(Runtime::kLoadLookupSlot, 2); 2928 __ CallRuntime(Runtime::kLoadLookupSlot, 2);
2927 __ Push(r0, r1); // Function, receiver. 2929 __ Push(r0, r1); // Function, receiver.
2930 PrepareForBailoutForId(expr->EvalOrLookupId(), NO_REGISTERS);
2928 2931
2929 // If fast case code has been generated, emit code to push the 2932 // If fast case code has been generated, emit code to push the
2930 // function and receiver and have the slow path jump around this 2933 // function and receiver and have the slow path jump around this
2931 // code. 2934 // code.
2932 if (done.is_linked()) { 2935 if (done.is_linked()) {
2933 Label call; 2936 Label call;
2934 __ b(&call); 2937 __ b(&call);
2935 __ bind(&done); 2938 __ bind(&done);
2936 // Push function. 2939 // Push function.
2937 __ push(r0); 2940 __ push(r0);
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5056 5059
5057 DCHECK(interrupt_address == 5060 DCHECK(interrupt_address ==
5058 isolate->builtins()->OsrAfterStackCheck()->entry()); 5061 isolate->builtins()->OsrAfterStackCheck()->entry());
5059 return OSR_AFTER_STACK_CHECK; 5062 return OSR_AFTER_STACK_CHECK;
5060 } 5063 }
5061 5064
5062 5065
5063 } } // namespace v8::internal 5066 } } // namespace v8::internal
5064 5067
5065 #endif // V8_TARGET_ARCH_ARM 5068 #endif // V8_TARGET_ARCH_ARM
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