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Issue 1189743003: [destructuring] Implement parameter pattern matching. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 months ago
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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 "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_MIPS64 7 #if V8_TARGET_ARCH_MIPS64
8 8
9 // Note on Mips implementation: 9 // Note on Mips implementation:
10 // 10 //
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213 } 213 }
214 function_in_register = false; 214 function_in_register = false;
215 // Context is returned in v0. It replaces the context passed to us. 215 // Context is returned in v0. It replaces the context passed to us.
216 // It's saved in the stack and kept live in cp. 216 // It's saved in the stack and kept live in cp.
217 __ mov(cp, v0); 217 __ mov(cp, v0);
218 __ sd(v0, MemOperand(fp, StandardFrameConstants::kContextOffset)); 218 __ sd(v0, MemOperand(fp, StandardFrameConstants::kContextOffset));
219 // Copy any necessary parameters into the context. 219 // Copy any necessary parameters into the context.
220 int num_parameters = info->scope()->num_parameters(); 220 int num_parameters = info->scope()->num_parameters();
221 int first_parameter = info->scope()->has_this_declaration() ? -1 : 0; 221 int first_parameter = info->scope()->has_this_declaration() ? -1 : 0;
222 for (int i = first_parameter; i < num_parameters; i++) { 222 for (int i = first_parameter; i < num_parameters; i++) {
223 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i); 223 Variable* var =
224 (i == -1) ? scope()->receiver() : scope()->parameter_var(i);
224 if (var->IsContextSlot()) { 225 if (var->IsContextSlot()) {
225 int parameter_offset = StandardFrameConstants::kCallerSPOffset + 226 int parameter_offset = StandardFrameConstants::kCallerSPOffset +
226 (num_parameters - 1 - i) * kPointerSize; 227 (num_parameters - 1 - i) * kPointerSize;
227 // Load parameter from stack. 228 // Load parameter from stack.
228 __ ld(a0, MemOperand(fp, parameter_offset)); 229 __ ld(a0, MemOperand(fp, parameter_offset));
229 // Store it in the context. 230 // Store it in the context.
230 MemOperand target = ContextOperand(cp, var->index()); 231 MemOperand target = ContextOperand(cp, var->index());
231 __ sd(a0, target); 232 __ sd(a0, target);
232 233
233 // Update the write barrier. 234 // Update the write barrier.
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5567 reinterpret_cast<uint64_t>( 5568 reinterpret_cast<uint64_t>(
5568 isolate->builtins()->OsrAfterStackCheck()->entry())); 5569 isolate->builtins()->OsrAfterStackCheck()->entry()));
5569 return OSR_AFTER_STACK_CHECK; 5570 return OSR_AFTER_STACK_CHECK;
5570 } 5571 }
5571 5572
5572 5573
5573 } // namespace internal 5574 } // namespace internal
5574 } // namespace v8 5575 } // namespace v8
5575 5576
5576 #endif // V8_TARGET_ARCH_MIPS64 5577 #endif // V8_TARGET_ARCH_MIPS64
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