src/mips/full-codegen-mips.cc - Issue 650073002: vector-based ICs did not update type feedback counts correctly.

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Issue 650073002: vector-based ICs did not update type feedback counts correctly. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Reduced -inl.h file usage. Created 6 years, 2 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_MIPS	7 #if V8_TARGET_ARCH_MIPS

8	8

9 // Note on Mips implementation:	9 // Note on Mips implementation:

10 //	10 //

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1174 __ bind(&no_descriptors);	1174 __ bind(&no_descriptors);

1175 __ Drop(1);	1175 __ Drop(1);

1176 __ jmp(&exit);	1176 __ jmp(&exit);

1177	1177

1178 // We got a fixed array in register v0. Iterate through that.	1178 // We got a fixed array in register v0. Iterate through that.

1179 Label non_proxy;	1179 Label non_proxy;

1180 __ bind(&fixed_array);	1180 __ bind(&fixed_array);

1181	1181

1182 __ li(a1, FeedbackVector());	1182 __ li(a1, FeedbackVector());

1183 __ li(a2, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate())));	1183 __ li(a2, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate())));

1184 __ sw(a2, FieldMemOperand(a1, FixedArray::OffsetOfElementAt(slot.ToInt())));	1184 int vector_index = FeedbackVector()->GetIndex(slot);

	1185 __ sw(a2, FieldMemOperand(a1, FixedArray::OffsetOfElementAt(vector_index)));

1185	1186

1186 __ li(a1, Operand(Smi::FromInt(1))); // Smi indicates slow check	1187 __ li(a1, Operand(Smi::FromInt(1))); // Smi indicates slow check

1187 __ lw(a2, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object	1188 __ lw(a2, MemOperand(sp, 0 * kPointerSize)); // Get enumerated object

1188 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);	1189 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);

1189 __ GetObjectType(a2, a3, a3);	1190 __ GetObjectType(a2, a3, a3);

1190 __ Branch(&non_proxy, gt, a3, Operand(LAST_JS_PROXY_TYPE));	1191 __ Branch(&non_proxy, gt, a3, Operand(LAST_JS_PROXY_TYPE));

1191 __ li(a1, Operand(Smi::FromInt(0))); // Zero indicates proxy	1192 __ li(a1, Operand(Smi::FromInt(0))); // Zero indicates proxy

1192 __ bind(&non_proxy);	1193 __ bind(&non_proxy);

1193 __ Push(a1, v0); // Smi and array	1194 __ Push(a1, v0); // Smi and array

1194 __ lw(a1, FieldMemOperand(v0, FixedArray::kLengthOffset));	1195 __ lw(a1, FieldMemOperand(v0, FixedArray::kLengthOffset));

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5200 Assembler::target_address_at(pc_immediate_load_address)) ==	5201 Assembler::target_address_at(pc_immediate_load_address)) ==

5201 reinterpret_cast<uint32_t>(	5202 reinterpret_cast<uint32_t>(

5202 isolate->builtins()->OsrAfterStackCheck()->entry()));	5203 isolate->builtins()->OsrAfterStackCheck()->entry()));

5203 return OSR_AFTER_STACK_CHECK;	5204 return OSR_AFTER_STACK_CHECK;

5204 }	5205 }

5205	5206

5206	5207

5207 } } // namespace v8::internal	5208 } } // namespace v8::internal

5208	5209

5209 #endif // V8_TARGET_ARCH_MIPS	5210 #endif // V8_TARGET_ARCH_MIPS

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