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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 <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_MIPS64 | 9 #if V8_TARGET_ARCH_MIPS64 |
10 | 10 |
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3084 Daddu(sp, sp, Operand(StackHandlerConstants::kSize - kPointerSize)); | 3084 Daddu(sp, sp, Operand(StackHandlerConstants::kSize - kPointerSize)); |
3085 li(at, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); | 3085 li(at, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); |
3086 sd(a1, MemOperand(at)); | 3086 sd(a1, MemOperand(at)); |
3087 } | 3087 } |
3088 | 3088 |
3089 | 3089 |
3090 void MacroAssembler::JumpToHandlerEntry() { | 3090 void MacroAssembler::JumpToHandlerEntry() { |
3091 // Compute the handler entry address and jump to it. The handler table is | 3091 // Compute the handler entry address and jump to it. The handler table is |
3092 // a fixed array of (smi-tagged) code offsets. | 3092 // a fixed array of (smi-tagged) code offsets. |
3093 // v0 = exception, a1 = code object, a2 = state. | 3093 // v0 = exception, a1 = code object, a2 = state. |
3094 Uld(a3, FieldMemOperand(a1, Code::kHandlerTableOffset)); | 3094 ld(a3, FieldMemOperand(a1, Code::kHandlerTableOffset)); |
3095 Daddu(a3, a3, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); | 3095 Daddu(a3, a3, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
3096 dsrl(a2, a2, StackHandler::kKindWidth); // Handler index. | 3096 dsrl(a2, a2, StackHandler::kKindWidth); // Handler index. |
3097 dsll(a2, a2, kPointerSizeLog2); | 3097 dsll(a2, a2, kPointerSizeLog2); |
3098 Daddu(a2, a3, a2); | 3098 Daddu(a2, a3, a2); |
3099 ld(a2, MemOperand(a2)); // Smi-tagged offset. | 3099 ld(a2, MemOperand(a2)); // Smi-tagged offset. |
3100 Daddu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag)); // Code start. | 3100 Daddu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag)); // Code start. |
3101 dsra32(t9, a2, 0); | 3101 dsra32(t9, a2, 0); |
3102 Daddu(t9, t9, a1); | 3102 Daddu(t9, t9, a1); |
3103 Jump(t9); // Jump. | 3103 Jump(t9); // Jump. |
3104 } | 3104 } |
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6087 } | 6087 } |
6088 if (mag.shift > 0) sra(result, result, mag.shift); | 6088 if (mag.shift > 0) sra(result, result, mag.shift); |
6089 srl(at, dividend, 31); | 6089 srl(at, dividend, 31); |
6090 Addu(result, result, Operand(at)); | 6090 Addu(result, result, Operand(at)); |
6091 } | 6091 } |
6092 | 6092 |
6093 | 6093 |
6094 } } // namespace v8::internal | 6094 } } // namespace v8::internal |
6095 | 6095 |
6096 #endif // V8_TARGET_ARCH_MIPS64 | 6096 #endif // V8_TARGET_ARCH_MIPS64 |
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