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Issue 1448403002: PPC: VectorICs: Remove --vector-stores flag. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 1 month ago
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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 #if V8_TARGET_ARCH_PPC 5 #if V8_TARGET_ARCH_PPC
6 6
7 #include "src/ic/ic.h" 7 #include "src/ic/ic.h"
8 #include "src/ic/ic-compiler.h" 8 #include "src/ic/ic-compiler.h"
9 9
10 namespace v8 { 10 namespace v8 {
11 namespace internal { 11 namespace internal {
12 12
13 #define __ ACCESS_MASM(masm) 13 #define __ ACCESS_MASM(masm)
14 14
15 15
16 void PropertyICCompiler::GenerateRuntimeSetProperty( 16 void PropertyICCompiler::GenerateRuntimeSetProperty(
17 MacroAssembler* masm, LanguageMode language_mode) { 17 MacroAssembler* masm, LanguageMode language_mode) {
18 __ mov(r0, Operand(Smi::FromInt(language_mode))); 18 __ mov(r0, Operand(Smi::FromInt(language_mode)));
19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(), 19 __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
20 StoreDescriptor::ValueRegister(), r0); 20 StoreDescriptor::ValueRegister(), r0);
21 21
22 // Do tail-call to runtime routine. 22 // Do tail-call to runtime routine.
23 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); 23 __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
24 } 24 }
25 25
26 26
27 #undef __ 27 #undef __
28 #define __ ACCESS_MASM(masm())
29
30
31 Handle<Code> PropertyICCompiler::CompilePolymorphic(MapHandleList* maps,
32 CodeHandleList* handlers,
33 Handle<Name> name,
34 Code::StubType type,
35 IcCheckType check) {
36 Label miss;
37
38 if (check == PROPERTY &&
39 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) {
40 // In case we are compiling an IC for dictionary loads or stores, just
41 // check whether the name is unique.
42 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) {
43 // Keyed loads with dictionaries shouldn't be here, they go generic.
44 // The DCHECK is to protect assumptions when --vector-ics is on.
45 DCHECK(kind() != Code::KEYED_LOAD_IC);
46 Register tmp = scratch1();
47 __ JumpIfSmi(this->name(), &miss);
48 __ LoadP(tmp, FieldMemOperand(this->name(), HeapObject::kMapOffset));
49 __ lbz(tmp, FieldMemOperand(tmp, Map::kInstanceTypeOffset));
50 __ JumpIfNotUniqueNameInstanceType(tmp, &miss);
51 } else {
52 __ Cmpi(this->name(), Operand(name), r0);
53 __ bne(&miss);
54 }
55 }
56
57 Label number_case;
58 Label* smi_target = IncludesNumberMap(maps) ? &number_case : &miss;
59 __ JumpIfSmi(receiver(), smi_target);
60
61 // Polymorphic keyed stores may use the map register
62 Register map_reg = scratch1();
63 DCHECK(kind() != Code::KEYED_STORE_IC ||
64 map_reg.is(StoreTransitionDescriptor::MapRegister()));
65
66 int receiver_count = maps->length();
67 int number_of_handled_maps = 0;
68 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
69 for (int current = 0; current < receiver_count; ++current) {
70 Handle<Map> map = maps->at(current);
71 if (!map->is_deprecated()) {
72 number_of_handled_maps++;
73 Handle<WeakCell> cell = Map::WeakCellForMap(map);
74 __ CmpWeakValue(map_reg, cell, scratch2());
75 Label next;
76 __ bne(&next);
77 if (map->instance_type() == HEAP_NUMBER_TYPE) {
78 DCHECK(!number_case.is_unused());
79 __ bind(&number_case);
80 }
81 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET);
82 __ bind(&next);
83 }
84 }
85 DCHECK(number_of_handled_maps != 0);
86
87 __ bind(&miss);
88 TailCallBuiltin(masm(), MissBuiltin(kind()));
89
90 // Return the generated code.
91 InlineCacheState state =
92 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC;
93 return GetCode(kind(), type, name, state);
94 }
95
96
97 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
98 MapHandleList* receiver_maps, CodeHandleList* handler_stubs,
99 MapHandleList* transitioned_maps) {
100 Label miss;
101 __ JumpIfSmi(receiver(), &miss);
102
103 int receiver_count = receiver_maps->length();
104 Register map_reg = scratch1();
105 __ LoadP(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset));
106 for (int i = 0; i < receiver_count; ++i) {
107 Handle<WeakCell> cell = Map::WeakCellForMap(receiver_maps->at(i));
108 __ CmpWeakValue(map_reg, cell, scratch2());
109 if (transitioned_maps->at(i).is_null()) {
110 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq);
111 } else {
112 Label next_map;
113 __ bne(&next_map);
114 Handle<WeakCell> cell = Map::WeakCellForMap(transitioned_maps->at(i));
115 Register transition_map = scratch1();
116 DCHECK(!FLAG_vector_stores &&
117 transition_map.is(StoreTransitionDescriptor::MapRegister()));
118 __ LoadWeakValue(transition_map, cell, &miss);
119 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, al);
120 __ bind(&next_map);
121 }
122 }
123
124 __ bind(&miss);
125 TailCallBuiltin(masm(), MissBuiltin(kind()));
126
127 // Return the generated code.
128 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC);
129 }
130
131
132 #undef __
133 } // namespace internal 28 } // namespace internal
134 } // namespace v8 29 } // namespace v8
135 30
136 #endif // V8_TARGET_ARCH_PPC 31 #endif // V8_TARGET_ARCH_PPC
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