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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_MIPS | 9 #if V8_TARGET_ARCH_MIPS |
| 10 | 10 |
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| 3236 // pushing on the stack. | 3236 // pushing on the stack. |
| 3237 // Set up the code object (t1) and the state (t2) for pushing. | 3237 // Set up the code object (t1) and the state (t2) for pushing. |
| 3238 unsigned state = | 3238 unsigned state = |
| 3239 StackHandler::IndexField::encode(handler_index) | | 3239 StackHandler::IndexField::encode(handler_index) | |
| 3240 StackHandler::KindField::encode(kind); | 3240 StackHandler::KindField::encode(kind); |
| 3241 li(t1, Operand(CodeObject()), CONSTANT_SIZE); | 3241 li(t1, Operand(CodeObject()), CONSTANT_SIZE); |
| 3242 li(t2, Operand(state)); | 3242 li(t2, Operand(state)); |
| 3243 | 3243 |
| 3244 // Push the frame pointer, context, state, and code object. | 3244 // Push the frame pointer, context, state, and code object. |
| 3245 if (kind == StackHandler::JS_ENTRY) { | 3245 if (kind == StackHandler::JS_ENTRY) { |
| 3246 DCHECK_EQ(Smi::FromInt(0), 0); | 3246 DCHECK_EQ(static_cast<Smi*>(0), Smi::FromInt(0)); |
| 3247 // The second zero_reg indicates no context. | 3247 // The second zero_reg indicates no context. |
| 3248 // The first zero_reg is the NULL frame pointer. | 3248 // The first zero_reg is the NULL frame pointer. |
| 3249 // The operands are reversed to match the order of MultiPush/Pop. | 3249 // The operands are reversed to match the order of MultiPush/Pop. |
| 3250 Push(zero_reg, zero_reg, t2, t1); | 3250 Push(zero_reg, zero_reg, t2, t1); |
| 3251 } else { | 3251 } else { |
| 3252 MultiPush(t1.bit() | t2.bit() | cp.bit() | fp.bit()); | 3252 MultiPush(t1.bit() | t2.bit() | cp.bit() | fp.bit()); |
| 3253 } | 3253 } |
| 3254 | 3254 |
| 3255 // Link the current handler as the next handler. | 3255 // Link the current handler as the next handler. |
| 3256 li(t2, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); | 3256 li(t2, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); |
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| 6157 } | 6157 } |
| 6158 if (mag.shift > 0) sra(result, result, mag.shift); | 6158 if (mag.shift > 0) sra(result, result, mag.shift); |
| 6159 srl(at, dividend, 31); | 6159 srl(at, dividend, 31); |
| 6160 Addu(result, result, Operand(at)); | 6160 Addu(result, result, Operand(at)); |
| 6161 } | 6161 } |
| 6162 | 6162 |
| 6163 | 6163 |
| 6164 } } // namespace v8::internal | 6164 } } // namespace v8::internal |
| 6165 | 6165 |
| 6166 #endif // V8_TARGET_ARCH_MIPS | 6166 #endif // V8_TARGET_ARCH_MIPS |
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