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Side by Side Diff: src/full-codegen/mips/full-codegen-mips.cc

Issue 1316943002: Move (uppercase) JS builtins from js builtins object to native context. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: remove Isolate::js_builtins_object Created 5 years, 3 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 #if V8_TARGET_ARCH_MIPS 5 #if V8_TARGET_ARCH_MIPS
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
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156 { Comment cmnt(masm_, "[ Allocate locals"); 156 { Comment cmnt(masm_, "[ Allocate locals");
157 int locals_count = info->scope()->num_stack_slots(); 157 int locals_count = info->scope()->num_stack_slots();
158 // Generators allocate locals, if any, in context slots. 158 // Generators allocate locals, if any, in context slots.
159 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); 159 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0);
160 if (locals_count > 0) { 160 if (locals_count > 0) {
161 if (locals_count >= 128) { 161 if (locals_count >= 128) {
162 Label ok; 162 Label ok;
163 __ Subu(t5, sp, Operand(locals_count * kPointerSize)); 163 __ Subu(t5, sp, Operand(locals_count * kPointerSize));
164 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); 164 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
165 __ Branch(&ok, hs, t5, Operand(a2)); 165 __ Branch(&ok, hs, t5, Operand(a2));
166 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); 166 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION);
167 __ bind(&ok); 167 __ bind(&ok);
168 } 168 }
169 __ LoadRoot(t5, Heap::kUndefinedValueRootIndex); 169 __ LoadRoot(t5, Heap::kUndefinedValueRootIndex);
170 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32; 170 int kMaxPushes = FLAG_optimize_for_size ? 4 : 32;
171 if (locals_count >= kMaxPushes) { 171 if (locals_count >= kMaxPushes) {
172 int loop_iterations = locals_count / kMaxPushes; 172 int loop_iterations = locals_count / kMaxPushes;
173 __ li(a2, Operand(loop_iterations)); 173 __ li(a2, Operand(loop_iterations));
174 Label loop_header; 174 Label loop_header;
175 __ bind(&loop_header); 175 __ bind(&loop_header);
176 // Do pushes. 176 // Do pushes.
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1900 __ Pop(); // literal index 1900 __ Pop(); // literal index
1901 __ Pop(v0); 1901 __ Pop(v0);
1902 result_saved = false; 1902 result_saved = false;
1903 } 1903 }
1904 for (; array_index < length; array_index++) { 1904 for (; array_index < length; array_index++) {
1905 Expression* subexpr = subexprs->at(array_index); 1905 Expression* subexpr = subexprs->at(array_index);
1906 1906
1907 __ Push(v0); 1907 __ Push(v0);
1908 if (subexpr->IsSpread()) { 1908 if (subexpr->IsSpread()) {
1909 VisitForStackValue(subexpr->AsSpread()->expression()); 1909 VisitForStackValue(subexpr->AsSpread()->expression());
1910 __ InvokeBuiltin(Builtins::CONCAT_ITERABLE_TO_ARRAY, CALL_FUNCTION); 1910 __ InvokeBuiltin(Context::CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX,
1911 CALL_FUNCTION);
1911 } else { 1912 } else {
1912 VisitForStackValue(subexpr); 1913 VisitForStackValue(subexpr);
1913 __ CallRuntime(Runtime::kAppendElement, 2); 1914 __ CallRuntime(Runtime::kAppendElement, 2);
1914 } 1915 }
1915 1916
1916 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS); 1917 PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS);
1917 } 1918 }
1918 1919
1919 if (result_saved) { 1920 if (result_saved) {
1920 __ Pop(); // literal index 1921 __ Pop(); // literal index
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5069 Label* if_false = NULL; 5070 Label* if_false = NULL;
5070 Label* fall_through = NULL; 5071 Label* fall_through = NULL;
5071 context()->PrepareTest(&materialize_true, &materialize_false, 5072 context()->PrepareTest(&materialize_true, &materialize_false,
5072 &if_true, &if_false, &fall_through); 5073 &if_true, &if_false, &fall_through);
5073 5074
5074 Token::Value op = expr->op(); 5075 Token::Value op = expr->op();
5075 VisitForStackValue(expr->left()); 5076 VisitForStackValue(expr->left());
5076 switch (op) { 5077 switch (op) {
5077 case Token::IN: 5078 case Token::IN:
5078 VisitForStackValue(expr->right()); 5079 VisitForStackValue(expr->right());
5079 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION); 5080 __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION);
5080 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); 5081 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
5081 __ LoadRoot(t0, Heap::kTrueValueRootIndex); 5082 __ LoadRoot(t0, Heap::kTrueValueRootIndex);
5082 Split(eq, v0, Operand(t0), if_true, if_false, fall_through); 5083 Split(eq, v0, Operand(t0), if_true, if_false, fall_through);
5083 break; 5084 break;
5084 5085
5085 case Token::INSTANCEOF: { 5086 case Token::INSTANCEOF: {
5086 VisitForAccumulatorValue(expr->right()); 5087 VisitForAccumulatorValue(expr->right());
5087 __ mov(a0, result_register()); 5088 __ mov(a0, result_register());
5088 __ pop(a1); 5089 __ pop(a1);
5089 InstanceOfStub stub(isolate()); 5090 InstanceOfStub stub(isolate());
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5343 reinterpret_cast<uint32_t>( 5344 reinterpret_cast<uint32_t>(
5344 isolate->builtins()->OsrAfterStackCheck()->entry())); 5345 isolate->builtins()->OsrAfterStackCheck()->entry()));
5345 return OSR_AFTER_STACK_CHECK; 5346 return OSR_AFTER_STACK_CHECK;
5346 } 5347 }
5347 5348
5348 5349
5349 } // namespace internal 5350 } // namespace internal
5350 } // namespace v8 5351 } // namespace v8
5351 5352
5352 #endif // V8_TARGET_ARCH_MIPS 5353 #endif // V8_TARGET_ARCH_MIPS
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