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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 #if V8_TARGET_ARCH_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
| 6 | 6 |
| 7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
| 8 // | 8 // |
| 9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
| 10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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| 1905 SetCallPosition(expr, expr->tail_call_mode()); | 1905 SetCallPosition(expr, expr->tail_call_mode()); |
| 1906 if (expr->tail_call_mode() == TailCallMode::kAllow) { | 1906 if (expr->tail_call_mode() == TailCallMode::kAllow) { |
| 1907 if (FLAG_trace) { | 1907 if (FLAG_trace) { |
| 1908 __ CallRuntime(Runtime::kTraceTailCall); | 1908 __ CallRuntime(Runtime::kTraceTailCall); |
| 1909 } | 1909 } |
| 1910 // Update profiling counters before the tail call since we will | 1910 // Update profiling counters before the tail call since we will |
| 1911 // not return to this function. | 1911 // not return to this function. |
| 1912 EmitProfilingCounterHandlingForReturnSequence(true); | 1912 EmitProfilingCounterHandlingForReturnSequence(true); |
| 1913 } | 1913 } |
| 1914 Handle<Code> code = | 1914 Handle<Code> code = |
| 1915 CodeFactory::CallIC(isolate(), mode, expr->tail_call_mode()).code(); | 1915 CodeFactory::CallICTrampoline(isolate(), mode, expr->tail_call_mode()) |
| 1916 .code(); |
| 1916 __ li(a3, Operand(SmiFromSlot(expr->CallFeedbackICSlot()))); | 1917 __ li(a3, Operand(SmiFromSlot(expr->CallFeedbackICSlot()))); |
| 1917 __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize)); | 1918 __ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize)); |
| 1918 __ li(a0, Operand(arg_count)); | 1919 __ li(a0, Operand(arg_count)); |
| 1919 CallIC(code); | 1920 CallIC(code); |
| 1920 OperandStackDepthDecrement(arg_count + 1); | 1921 OperandStackDepthDecrement(arg_count + 1); |
| 1921 | 1922 |
| 1922 RecordJSReturnSite(expr); | 1923 RecordJSReturnSite(expr); |
| 1923 RestoreContext(); | 1924 RestoreContext(); |
| 1924 context()->DropAndPlug(1, v0); | 1925 context()->DropAndPlug(1, v0); |
| 1925 } | 1926 } |
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| 2868 reinterpret_cast<uint32_t>( | 2869 reinterpret_cast<uint32_t>( |
| 2869 isolate->builtins()->OnStackReplacement()->entry())); | 2870 isolate->builtins()->OnStackReplacement()->entry())); |
| 2870 return ON_STACK_REPLACEMENT; | 2871 return ON_STACK_REPLACEMENT; |
| 2871 } | 2872 } |
| 2872 | 2873 |
| 2873 | 2874 |
| 2874 } // namespace internal | 2875 } // namespace internal |
| 2875 } // namespace v8 | 2876 } // namespace v8 |
| 2876 | 2877 |
| 2877 #endif // V8_TARGET_ARCH_MIPS | 2878 #endif // V8_TARGET_ARCH_MIPS |
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