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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_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
| 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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| 1908 if (FLAG_trace) { | 1908 if (FLAG_trace) { |
| 1909 __ CallRuntime(Runtime::kTraceTailCall); | 1909 __ CallRuntime(Runtime::kTraceTailCall); |
| 1910 } | 1910 } |
| 1911 // Update profiling counters before the tail call since we will | 1911 // Update profiling counters before the tail call since we will |
| 1912 // not return to this function. | 1912 // not return to this function. |
| 1913 EmitProfilingCounterHandlingForReturnSequence(true); | 1913 EmitProfilingCounterHandlingForReturnSequence(true); |
| 1914 } | 1914 } |
| 1915 Handle<Code> code = | 1915 Handle<Code> code = |
| 1916 CodeFactory::CallICTrampoline(isolate(), mode, expr->tail_call_mode()) | 1916 CodeFactory::CallICTrampoline(isolate(), mode, expr->tail_call_mode()) |
| 1917 .code(); | 1917 .code(); |
| 1918 __ li(a3, Operand(SmiFromSlot(expr->CallFeedbackICSlot()))); | 1918 __ li(a3, Operand(IntFromSlot(expr->CallFeedbackICSlot()))); |
| 1919 __ ld(a1, MemOperand(sp, (arg_count + 1) * kPointerSize)); | 1919 __ ld(a1, MemOperand(sp, (arg_count + 1) * kPointerSize)); |
| 1920 __ li(a0, Operand(arg_count)); | 1920 __ li(a0, Operand(arg_count)); |
| 1921 CallIC(code); | 1921 CallIC(code); |
| 1922 OperandStackDepthDecrement(arg_count + 1); | 1922 OperandStackDepthDecrement(arg_count + 1); |
| 1923 | 1923 |
| 1924 RecordJSReturnSite(expr); | 1924 RecordJSReturnSite(expr); |
| 1925 RestoreContext(); | 1925 RestoreContext(); |
| 1926 context()->DropAndPlug(1, v0); | 1926 context()->DropAndPlug(1, v0); |
| 1927 } | 1927 } |
| 1928 | 1928 |
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| 2878 reinterpret_cast<uint64_t>( | 2878 reinterpret_cast<uint64_t>( |
| 2879 isolate->builtins()->OnStackReplacement()->entry())); | 2879 isolate->builtins()->OnStackReplacement()->entry())); |
| 2880 return ON_STACK_REPLACEMENT; | 2880 return ON_STACK_REPLACEMENT; |
| 2881 } | 2881 } |
| 2882 | 2882 |
| 2883 | 2883 |
| 2884 } // namespace internal | 2884 } // namespace internal |
| 2885 } // namespace v8 | 2885 } // namespace v8 |
| 2886 | 2886 |
| 2887 #endif // V8_TARGET_ARCH_MIPS64 | 2887 #endif // V8_TARGET_ARCH_MIPS64 |
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