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1 | 1 |
2 // Copyright 2012 the V8 project authors. All rights reserved. | 2 // Copyright 2012 the V8 project authors. All rights reserved. |
3 // Use of this source code is governed by a BSD-style license that can be | 3 // Use of this source code is governed by a BSD-style license that can be |
4 // found in the LICENSE file. | 4 // found in the LICENSE file. |
5 | 5 |
6 #include <limits.h> // For LONG_MIN, LONG_MAX. | 6 #include <limits.h> // For LONG_MIN, LONG_MAX. |
7 | 7 |
8 #if V8_TARGET_ARCH_MIPS | 8 #if V8_TARGET_ARCH_MIPS |
9 | 9 |
10 #include "src/base/bits.h" | 10 #include "src/base/bits.h" |
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4052 } | 4052 } |
4053 if (actual.is_reg()) { | 4053 if (actual.is_reg()) { |
4054 SmiTag(actual.reg()); | 4054 SmiTag(actual.reg()); |
4055 Push(actual.reg()); | 4055 Push(actual.reg()); |
4056 } | 4056 } |
4057 if (new_target.is_valid()) { | 4057 if (new_target.is_valid()) { |
4058 Push(new_target); | 4058 Push(new_target); |
4059 } | 4059 } |
4060 Push(fun); | 4060 Push(fun); |
4061 Push(fun); | 4061 Push(fun); |
4062 CallRuntime(Runtime::kDebugPrepareStepInIfStepping, 1); | 4062 CallRuntime(Runtime::kDebugPrepareStepInIfStepping); |
4063 Pop(fun); | 4063 Pop(fun); |
4064 if (new_target.is_valid()) { | 4064 if (new_target.is_valid()) { |
4065 Pop(new_target); | 4065 Pop(new_target); |
4066 } | 4066 } |
4067 if (actual.is_reg()) { | 4067 if (actual.is_reg()) { |
4068 Pop(actual.reg()); | 4068 Pop(actual.reg()); |
4069 SmiUntag(actual.reg()); | 4069 SmiUntag(actual.reg()); |
4070 } | 4070 } |
4071 if (expected.is_reg()) { | 4071 if (expected.is_reg()) { |
4072 Pop(expected.reg()); | 4072 Pop(expected.reg()); |
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4680 } | 4680 } |
4681 #endif | 4681 #endif |
4682 | 4682 |
4683 li(a0, Operand(Smi::FromInt(reason))); | 4683 li(a0, Operand(Smi::FromInt(reason))); |
4684 push(a0); | 4684 push(a0); |
4685 // Disable stub call restrictions to always allow calls to abort. | 4685 // Disable stub call restrictions to always allow calls to abort. |
4686 if (!has_frame_) { | 4686 if (!has_frame_) { |
4687 // We don't actually want to generate a pile of code for this, so just | 4687 // We don't actually want to generate a pile of code for this, so just |
4688 // claim there is a stack frame, without generating one. | 4688 // claim there is a stack frame, without generating one. |
4689 FrameScope scope(this, StackFrame::NONE); | 4689 FrameScope scope(this, StackFrame::NONE); |
4690 CallRuntime(Runtime::kAbort, 1); | 4690 CallRuntime(Runtime::kAbort); |
4691 } else { | 4691 } else { |
4692 CallRuntime(Runtime::kAbort, 1); | 4692 CallRuntime(Runtime::kAbort); |
4693 } | 4693 } |
4694 // Will not return here. | 4694 // Will not return here. |
4695 if (is_trampoline_pool_blocked()) { | 4695 if (is_trampoline_pool_blocked()) { |
4696 // If the calling code cares about the exact number of | 4696 // If the calling code cares about the exact number of |
4697 // instructions generated, we insert padding here to keep the size | 4697 // instructions generated, we insert padding here to keep the size |
4698 // of the Abort macro constant. | 4698 // of the Abort macro constant. |
4699 // Currently in debug mode with debug_code enabled the number of | 4699 // Currently in debug mode with debug_code enabled the number of |
4700 // generated instructions is 10, so we use this as a maximum value. | 4700 // generated instructions is 10, so we use this as a maximum value. |
4701 static const int kExpectedAbortInstructions = 10; | 4701 static const int kExpectedAbortInstructions = 10; |
4702 int abort_instructions = InstructionsGeneratedSince(&abort_start); | 4702 int abort_instructions = InstructionsGeneratedSince(&abort_start); |
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5788 if (mag.shift > 0) sra(result, result, mag.shift); | 5788 if (mag.shift > 0) sra(result, result, mag.shift); |
5789 srl(at, dividend, 31); | 5789 srl(at, dividend, 31); |
5790 Addu(result, result, Operand(at)); | 5790 Addu(result, result, Operand(at)); |
5791 } | 5791 } |
5792 | 5792 |
5793 | 5793 |
5794 } // namespace internal | 5794 } // namespace internal |
5795 } // namespace v8 | 5795 } // namespace v8 |
5796 | 5796 |
5797 #endif // V8_TARGET_ARCH_MIPS | 5797 #endif // V8_TARGET_ARCH_MIPS |
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