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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 "src/crankshaft/ppc/lithium-codegen-ppc.h" | 5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/crankshaft/hydrogen-osr.h" | 10 #include "src/crankshaft/hydrogen-osr.h" |
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179 // Result of FastNewFunctionContextStub is always in new space. | 179 // Result of FastNewFunctionContextStub is always in new space. |
180 need_write_barrier = false; | 180 need_write_barrier = false; |
181 } | 181 } |
182 RecordSafepoint(deopt_mode); | 182 RecordSafepoint(deopt_mode); |
183 | 183 |
184 // Context is returned in both r3 and cp. It replaces the context | 184 // Context is returned in both r3 and cp. It replaces the context |
185 // passed to us. It's saved in the stack and kept live in cp. | 185 // passed to us. It's saved in the stack and kept live in cp. |
186 __ mr(cp, r3); | 186 __ mr(cp, r3); |
187 __ StoreP(r3, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 187 __ StoreP(r3, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
188 // Copy any necessary parameters into the context. | 188 // Copy any necessary parameters into the context. |
189 int num_parameters = info()->scope()->num_parameters(); | 189 int num_parameters = scope()->num_parameters(); |
190 int first_parameter = info()->scope()->has_this_declaration() ? -1 : 0; | 190 int first_parameter = scope()->has_this_declaration() ? -1 : 0; |
191 for (int i = first_parameter; i < num_parameters; i++) { | 191 for (int i = first_parameter; i < num_parameters; i++) { |
192 Variable* var = (i == -1) ? info()->scope()->receiver() | 192 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i); |
193 : info()->scope()->parameter(i); | |
194 if (var->IsContextSlot()) { | 193 if (var->IsContextSlot()) { |
195 int parameter_offset = StandardFrameConstants::kCallerSPOffset + | 194 int parameter_offset = StandardFrameConstants::kCallerSPOffset + |
196 (num_parameters - 1 - i) * kPointerSize; | 195 (num_parameters - 1 - i) * kPointerSize; |
197 // Load parameter from stack. | 196 // Load parameter from stack. |
198 __ LoadP(r3, MemOperand(fp, parameter_offset)); | 197 __ LoadP(r3, MemOperand(fp, parameter_offset)); |
199 // Store it in the context. | 198 // Store it in the context. |
200 MemOperand target = ContextMemOperand(cp, var->index()); | 199 MemOperand target = ContextMemOperand(cp, var->index()); |
201 __ StoreP(r3, target, r0); | 200 __ StoreP(r3, target, r0); |
202 // Update the write barrier. This clobbers r6 and r3. | 201 // Update the write barrier. This clobbers r6 and r3. |
203 if (need_write_barrier) { | 202 if (need_write_barrier) { |
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5780 __ LoadP(result, | 5779 __ LoadP(result, |
5781 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); | 5780 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); |
5782 __ bind(deferred->exit()); | 5781 __ bind(deferred->exit()); |
5783 __ bind(&done); | 5782 __ bind(&done); |
5784 } | 5783 } |
5785 | 5784 |
5786 #undef __ | 5785 #undef __ |
5787 | 5786 |
5788 } // namespace internal | 5787 } // namespace internal |
5789 } // namespace v8 | 5788 } // namespace v8 |
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