Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
| 5 | #ifndef V8_CODE_STUBS_H_ |
| 6 | #define V8_CODE_STUBS_H_ |
| 7 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/allocation.h" |
| 9 | #include "src/assembler.h" |
| 10 | #include "src/codegen.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 11 | #include "src/compiler/code-stub-assembler.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 12 | #include "src/globals.h" |
| 13 | #include "src/ic/ic-state.h" |
| 14 | #include "src/interface-descriptors.h" |
| 15 | #include "src/macro-assembler.h" |
| 16 | #include "src/ostreams.h" |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 17 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 18 | namespace v8 { |
| 19 | namespace internal { |
| 20 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 21 | // List of code stubs used on all platforms. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 22 | #define CODE_STUB_LIST_ALL_PLATFORMS(V) \ |
| 23 | /* PlatformCodeStubs */ \ |
| 24 | V(ArgumentsAccess) \ |
| 25 | V(ArrayConstructor) \ |
| 26 | V(BinaryOpICWithAllocationSite) \ |
| 27 | V(CallApiFunction) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 28 | V(CallApiAccessor) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 29 | V(CallApiGetter) \ |
| 30 | V(CallConstruct) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 31 | V(CallIC) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | V(CEntry) \ |
| 33 | V(CompareIC) \ |
| 34 | V(DoubleToI) \ |
| 35 | V(FunctionPrototype) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 36 | V(InstanceOf) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 37 | V(InternalArrayConstructor) \ |
| 38 | V(JSEntry) \ |
| 39 | V(KeyedLoadICTrampoline) \ |
| 40 | V(LoadICTrampoline) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 41 | V(CallICTrampoline) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | V(LoadIndexedInterceptor) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 43 | V(LoadIndexedString) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 44 | V(MathPow) \ |
| 45 | V(ProfileEntryHook) \ |
| 46 | V(RecordWrite) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 47 | V(RestParamAccess) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 48 | V(RegExpExec) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 49 | V(StoreBufferOverflow) \ |
| 50 | V(StoreElement) \ |
| 51 | V(StringCompare) \ |
| 52 | V(StubFailureTrampoline) \ |
| 53 | V(SubString) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 54 | V(ToNumber) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 55 | V(ToLength) \ |
| 56 | V(ToString) \ |
| 57 | V(ToObject) \ |
| 58 | V(VectorStoreICTrampoline) \ |
| 59 | V(VectorKeyedStoreICTrampoline) \ |
| 60 | V(VectorStoreIC) \ |
| 61 | V(VectorKeyedStoreIC) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 62 | /* HydrogenCodeStubs */ \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 63 | V(AllocateHeapNumber) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 64 | V(AllocateMutableHeapNumber) \ |
| 65 | V(AllocateInNewSpace) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 66 | V(ArrayNArgumentsConstructor) \ |
| 67 | V(ArrayNoArgumentConstructor) \ |
| 68 | V(ArraySingleArgumentConstructor) \ |
| 69 | V(BinaryOpIC) \ |
| 70 | V(BinaryOpWithAllocationSite) \ |
| 71 | V(CompareNilIC) \ |
| 72 | V(CreateAllocationSite) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 73 | V(CreateWeakCell) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 74 | V(ElementsTransitionAndStore) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 75 | V(FastCloneRegExp) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 76 | V(FastCloneShallowArray) \ |
| 77 | V(FastCloneShallowObject) \ |
| 78 | V(FastNewClosure) \ |
| 79 | V(FastNewContext) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 80 | V(GrowArrayElements) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | V(InternalArrayNArgumentsConstructor) \ |
| 82 | V(InternalArrayNoArgumentConstructor) \ |
| 83 | V(InternalArraySingleArgumentConstructor) \ |
| 84 | V(KeyedLoadGeneric) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 85 | V(LoadGlobalViaContext) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 86 | V(LoadScriptContextField) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 87 | V(LoadDictionaryElement) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 88 | V(NameDictionaryLookup) \ |
| 89 | V(NumberToString) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 90 | V(Typeof) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 91 | V(RegExpConstructResult) \ |
| 92 | V(StoreFastElement) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 93 | V(StoreGlobalViaContext) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 94 | V(StoreScriptContextField) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 95 | V(StringAdd) \ |
| 96 | V(ToBoolean) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 97 | V(TransitionElementsKind) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 98 | V(KeyedLoadIC) \ |
| 99 | V(LoadIC) \ |
| 100 | /* TurboFanCodeStubs */ \ |
| 101 | V(StringLength) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 102 | /* IC Handler stubs */ \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 103 | V(ArrayBufferViewLoadField) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 104 | V(LoadConstant) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 105 | V(LoadFastElement) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 106 | V(LoadField) \ |
| 107 | V(KeyedLoadSloppyArguments) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 108 | V(KeyedStoreSloppyArguments) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 109 | V(StoreField) \ |
| 110 | V(StoreGlobal) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 111 | V(StoreTransition) |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 112 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 113 | // List of code stubs only used on ARM 32 bits platforms. |
| 114 | #if V8_TARGET_ARCH_ARM |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 115 | #define CODE_STUB_LIST_ARM(V) V(DirectCEntry) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 116 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 117 | #else |
| 118 | #define CODE_STUB_LIST_ARM(V) |
| 119 | #endif |
| 120 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 121 | // List of code stubs only used on ARM 64 bits platforms. |
| 122 | #if V8_TARGET_ARCH_ARM64 |
| 123 | #define CODE_STUB_LIST_ARM64(V) \ |
| 124 | V(DirectCEntry) \ |
| 125 | V(RestoreRegistersState) \ |
| 126 | V(StoreRegistersState) |
| 127 | |
| 128 | #else |
| 129 | #define CODE_STUB_LIST_ARM64(V) |
| 130 | #endif |
| 131 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 132 | // List of code stubs only used on PPC platforms. |
| 133 | #ifdef V8_TARGET_ARCH_PPC |
| 134 | #define CODE_STUB_LIST_PPC(V) \ |
| 135 | V(DirectCEntry) \ |
| 136 | V(StoreRegistersState) \ |
| 137 | V(RestoreRegistersState) |
| 138 | #else |
| 139 | #define CODE_STUB_LIST_PPC(V) |
| 140 | #endif |
| 141 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 142 | // List of code stubs only used on MIPS platforms. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 143 | #if V8_TARGET_ARCH_MIPS |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 144 | #define CODE_STUB_LIST_MIPS(V) \ |
| 145 | V(DirectCEntry) \ |
| 146 | V(RestoreRegistersState) \ |
| 147 | V(StoreRegistersState) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 148 | #elif V8_TARGET_ARCH_MIPS64 |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 149 | #define CODE_STUB_LIST_MIPS(V) \ |
| 150 | V(DirectCEntry) \ |
| 151 | V(RestoreRegistersState) \ |
| 152 | V(StoreRegistersState) |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 153 | #else |
| 154 | #define CODE_STUB_LIST_MIPS(V) |
| 155 | #endif |
| 156 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 157 | // Combined list of code stubs. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 158 | #define CODE_STUB_LIST(V) \ |
| 159 | CODE_STUB_LIST_ALL_PLATFORMS(V) \ |
| 160 | CODE_STUB_LIST_ARM(V) \ |
| 161 | CODE_STUB_LIST_ARM64(V) \ |
| 162 | CODE_STUB_LIST_PPC(V) \ |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 163 | CODE_STUB_LIST_MIPS(V) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 164 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 165 | static const int kHasReturnedMinusZeroSentinel = 1; |
| 166 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 167 | // Stub is base classes of all stubs. |
| 168 | class CodeStub BASE_EMBEDDED { |
| 169 | public: |
| 170 | enum Major { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 171 | // TODO(mvstanton): eliminate the NoCache key by getting rid |
| 172 | // of the non-monomorphic-cache. |
| 173 | NoCache = 0, // marker for stubs that do custom caching] |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 174 | #define DEF_ENUM(name) name, |
| 175 | CODE_STUB_LIST(DEF_ENUM) |
| 176 | #undef DEF_ENUM |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 177 | NUMBER_OF_IDS |
| 178 | }; |
| 179 | |
| 180 | // Retrieve the code for the stub. Generate the code if needed. |
| 181 | Handle<Code> GetCode(); |
| 182 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 183 | // Retrieve the code for the stub, make and return a copy of the code. |
| 184 | Handle<Code> GetCodeCopy(const Code::FindAndReplacePattern& pattern); |
| 185 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 186 | static Major MajorKeyFromKey(uint32_t key) { |
| 187 | return static_cast<Major>(MajorKeyBits::decode(key)); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 188 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 189 | static uint32_t MinorKeyFromKey(uint32_t key) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 190 | return MinorKeyBits::decode(key); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 191 | } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 192 | |
| 193 | // Gets the major key from a code object that is a code stub or binary op IC. |
| 194 | static Major GetMajorKey(Code* code_stub) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 195 | return MajorKeyFromKey(code_stub->stub_key()); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 196 | } |
| 197 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 198 | static uint32_t NoCacheKey() { return MajorKeyBits::encode(NoCache); } |
| 199 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 200 | static const char* MajorName(Major major_key); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 201 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 202 | explicit CodeStub(Isolate* isolate) : minor_key_(0), isolate_(isolate) {} |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 203 | virtual ~CodeStub() {} |
| 204 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 205 | static void GenerateStubsAheadOfTime(Isolate* isolate); |
| 206 | static void GenerateFPStubs(Isolate* isolate); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 207 | |
| 208 | // Some stubs put untagged junk on the stack that cannot be scanned by the |
| 209 | // GC. This means that we must be statically sure that no GC can occur while |
| 210 | // they are running. If that is the case they should override this to return |
| 211 | // true, which will cause an assertion if we try to call something that can |
| 212 | // GC or if we try to put a stack frame on top of the junk, which would not |
| 213 | // result in a traversable stack. |
| 214 | virtual bool SometimesSetsUpAFrame() { return true; } |
| 215 | |
| 216 | // Lookup the code in the (possibly custom) cache. |
| 217 | bool FindCodeInCache(Code** code_out); |
| 218 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 219 | virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() const = 0; |
| 220 | |
| 221 | virtual int GetStackParameterCount() const { |
| 222 | return GetCallInterfaceDescriptor().GetStackParameterCount(); |
| 223 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 224 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 225 | virtual void InitializeDescriptor(CodeStubDescriptor* descriptor) {} |
| 226 | |
| 227 | static void InitializeDescriptor(Isolate* isolate, uint32_t key, |
| 228 | CodeStubDescriptor* desc); |
| 229 | |
| 230 | static MaybeHandle<Code> GetCode(Isolate* isolate, uint32_t key); |
| 231 | |
| 232 | // Returns information for computing the number key. |
| 233 | virtual Major MajorKey() const = 0; |
| 234 | uint32_t MinorKey() const { return minor_key_; } |
| 235 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 236 | // BinaryOpStub needs to override this. |
| 237 | virtual Code::Kind GetCodeKind() const; |
| 238 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 239 | virtual InlineCacheState GetICState() const { return UNINITIALIZED; } |
| 240 | virtual ExtraICState GetExtraICState() const { return kNoExtraICState; } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 241 | virtual Code::StubType GetStubType() const { return Code::NORMAL; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 242 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 243 | friend std::ostream& operator<<(std::ostream& os, const CodeStub& s) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | s.PrintName(os); |
| 245 | return os; |
| 246 | } |
| 247 | |
| 248 | Isolate* isolate() const { return isolate_; } |
| 249 | |
| 250 | protected: |
| 251 | CodeStub(uint32_t key, Isolate* isolate) |
| 252 | : minor_key_(MinorKeyFromKey(key)), isolate_(isolate) {} |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 253 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 254 | // Generates the assembler code for the stub. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 255 | virtual Handle<Code> GenerateCode() = 0; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 256 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 257 | // Returns whether the code generated for this stub needs to be allocated as |
| 258 | // a fixed (non-moveable) code object. |
| 259 | virtual bool NeedsImmovableCode() { return false; } |
| 260 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 261 | virtual void PrintName(std::ostream& os) const; // NOLINT |
| 262 | virtual void PrintBaseName(std::ostream& os) const; // NOLINT |
| 263 | virtual void PrintState(std::ostream& os) const { ; } // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 264 | |
| 265 | // Computes the key based on major and minor. |
| 266 | uint32_t GetKey() { |
| 267 | DCHECK(static_cast<int>(MajorKey()) < NUMBER_OF_IDS); |
| 268 | return MinorKeyBits::encode(MinorKey()) | MajorKeyBits::encode(MajorKey()); |
| 269 | } |
| 270 | |
| 271 | uint32_t minor_key_; |
| 272 | |
| 273 | private: |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 274 | // Perform bookkeeping required after code generation when stub code is |
| 275 | // initially generated. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 276 | void RecordCodeGeneration(Handle<Code> code); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 277 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 278 | // Finish the code object after it has been generated. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 279 | virtual void FinishCode(Handle<Code> code) { } |
| 280 | |
| 281 | // Activate newly generated stub. Is called after |
| 282 | // registering stub in the stub cache. |
| 283 | virtual void Activate(Code* code) { } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 284 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 285 | // Add the code to a specialized cache, specific to an individual |
| 286 | // stub type. Please note, this method must add the code object to a |
| 287 | // roots object, otherwise we will remove the code during GC. |
| 288 | virtual void AddToSpecialCache(Handle<Code> new_object) { } |
| 289 | |
| 290 | // Find code in a specialized cache, work is delegated to the specific stub. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 291 | virtual bool FindCodeInSpecialCache(Code** code_out) { |
| 292 | return false; |
| 293 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 294 | |
| 295 | // If a stub uses a special cache override this. |
| 296 | virtual bool UseSpecialCache() { return false; } |
| 297 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 298 | // We use this dispatch to statically instantiate the correct code stub for |
| 299 | // the given stub key and call the passed function with that code stub. |
| 300 | typedef void (*DispatchedCall)(CodeStub* stub, void** value_out); |
| 301 | static void Dispatch(Isolate* isolate, uint32_t key, void** value_out, |
| 302 | DispatchedCall call); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 303 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 304 | static void GetCodeDispatchCall(CodeStub* stub, void** value_out); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 305 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 306 | STATIC_ASSERT(NUMBER_OF_IDS < (1 << kStubMajorKeyBits)); |
| 307 | class MajorKeyBits: public BitField<uint32_t, 0, kStubMajorKeyBits> {}; |
| 308 | class MinorKeyBits: public BitField<uint32_t, |
| 309 | kStubMajorKeyBits, kStubMinorKeyBits> {}; // NOLINT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 310 | |
| 311 | friend class BreakPointIterator; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 312 | |
| 313 | Isolate* isolate_; |
| 314 | }; |
| 315 | |
| 316 | |
| 317 | #define DEFINE_CODE_STUB_BASE(NAME, SUPER) \ |
| 318 | public: \ |
| 319 | NAME(uint32_t key, Isolate* isolate) : SUPER(key, isolate) {} \ |
| 320 | \ |
| 321 | private: \ |
| 322 | DISALLOW_COPY_AND_ASSIGN(NAME) |
| 323 | |
| 324 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 325 | #define DEFINE_CODE_STUB(NAME, SUPER) \ |
| 326 | protected: \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 327 | inline Major MajorKey() const override { return NAME; }; \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 328 | DEFINE_CODE_STUB_BASE(NAME##Stub, SUPER) |
| 329 | |
| 330 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 331 | #define DEFINE_PLATFORM_CODE_STUB(NAME, SUPER) \ |
| 332 | private: \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 333 | void Generate(MacroAssembler* masm) override; \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 334 | DEFINE_CODE_STUB(NAME, SUPER) |
| 335 | |
| 336 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 337 | #define DEFINE_HYDROGEN_CODE_STUB(NAME, SUPER) \ |
| 338 | public: \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 339 | void InitializeDescriptor(CodeStubDescriptor* descriptor) override; \ |
| 340 | Handle<Code> GenerateCode() override; \ |
| 341 | DEFINE_CODE_STUB(NAME, SUPER) |
| 342 | |
| 343 | #define DEFINE_TURBOFAN_CODE_STUB(NAME, SUPER) \ |
| 344 | public: \ |
| 345 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { \ |
| 346 | return DESC##Descriptor(isolate()); \ |
| 347 | }; \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 348 | DEFINE_CODE_STUB(NAME, SUPER) |
| 349 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 350 | #define DEFINE_HANDLER_CODE_STUB(NAME, SUPER) \ |
| 351 | public: \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 352 | Handle<Code> GenerateCode() override; \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 353 | DEFINE_CODE_STUB(NAME, SUPER) |
| 354 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 355 | #define DEFINE_CALL_INTERFACE_DESCRIPTOR(NAME) \ |
| 356 | public: \ |
| 357 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { \ |
| 358 | return NAME##Descriptor(isolate()); \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | // There are some code stubs we just can't describe right now with a |
| 362 | // CallInterfaceDescriptor. Isolate behavior for those cases with this macro. |
| 363 | // An attempt to retrieve a descriptor will fail. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 364 | #define DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR() \ |
| 365 | public: \ |
| 366 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { \ |
| 367 | UNREACHABLE(); \ |
| 368 | return CallInterfaceDescriptor(); \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 369 | } |
| 370 | |
| 371 | |
| 372 | class PlatformCodeStub : public CodeStub { |
| 373 | public: |
| 374 | // Retrieve the code for the stub. Generate the code if needed. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 375 | Handle<Code> GenerateCode() override; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 376 | |
| 377 | protected: |
| 378 | explicit PlatformCodeStub(Isolate* isolate) : CodeStub(isolate) {} |
| 379 | |
| 380 | // Generates the assembler code for the stub. |
| 381 | virtual void Generate(MacroAssembler* masm) = 0; |
| 382 | |
| 383 | DEFINE_CODE_STUB_BASE(PlatformCodeStub, CodeStub); |
| 384 | }; |
| 385 | |
| 386 | |
| 387 | enum StubFunctionMode { NOT_JS_FUNCTION_STUB_MODE, JS_FUNCTION_STUB_MODE }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 388 | |
| 389 | |
| 390 | class CodeStubDescriptor { |
| 391 | public: |
| 392 | explicit CodeStubDescriptor(CodeStub* stub); |
| 393 | |
| 394 | CodeStubDescriptor(Isolate* isolate, uint32_t stub_key); |
| 395 | |
| 396 | void Initialize(Address deoptimization_handler = NULL, |
| 397 | int hint_stack_parameter_count = -1, |
| 398 | StubFunctionMode function_mode = NOT_JS_FUNCTION_STUB_MODE); |
| 399 | void Initialize(Register stack_parameter_count, |
| 400 | Address deoptimization_handler = NULL, |
| 401 | int hint_stack_parameter_count = -1, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 402 | StubFunctionMode function_mode = NOT_JS_FUNCTION_STUB_MODE); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 403 | |
| 404 | void SetMissHandler(ExternalReference handler) { |
| 405 | miss_handler_ = handler; |
| 406 | has_miss_handler_ = true; |
| 407 | // Our miss handler infrastructure doesn't currently support |
| 408 | // variable stack parameter counts. |
| 409 | DCHECK(!stack_parameter_count_.is_valid()); |
| 410 | } |
| 411 | |
| 412 | void set_call_descriptor(CallInterfaceDescriptor d) { call_descriptor_ = d; } |
| 413 | CallInterfaceDescriptor call_descriptor() const { return call_descriptor_; } |
| 414 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 415 | int GetRegisterParameterCount() const { |
| 416 | return call_descriptor().GetRegisterParameterCount(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 417 | } |
| 418 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 419 | int GetStackParameterCount() const { |
| 420 | return call_descriptor().GetStackParameterCount(); |
| 421 | } |
| 422 | |
| 423 | int GetParameterCount() const { |
| 424 | return call_descriptor().GetParameterCount(); |
| 425 | } |
| 426 | |
| 427 | Register GetRegisterParameter(int index) const { |
| 428 | return call_descriptor().GetRegisterParameter(index); |
| 429 | } |
| 430 | |
| 431 | Type* GetParameterType(int index) const { |
| 432 | return call_descriptor().GetParameterType(index); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | ExternalReference miss_handler() const { |
| 436 | DCHECK(has_miss_handler_); |
| 437 | return miss_handler_; |
| 438 | } |
| 439 | |
| 440 | bool has_miss_handler() const { |
| 441 | return has_miss_handler_; |
| 442 | } |
| 443 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 444 | int GetHandlerParameterCount() const { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 445 | int params = GetParameterCount(); |
| 446 | if (PassesArgumentsToDeoptimizationHandler()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 447 | params += 1; |
| 448 | } |
| 449 | return params; |
| 450 | } |
| 451 | |
| 452 | int hint_stack_parameter_count() const { return hint_stack_parameter_count_; } |
| 453 | Register stack_parameter_count() const { return stack_parameter_count_; } |
| 454 | StubFunctionMode function_mode() const { return function_mode_; } |
| 455 | Address deoptimization_handler() const { return deoptimization_handler_; } |
| 456 | |
| 457 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 458 | bool PassesArgumentsToDeoptimizationHandler() const { |
| 459 | return stack_parameter_count_.is_valid(); |
| 460 | } |
| 461 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 462 | CallInterfaceDescriptor call_descriptor_; |
| 463 | Register stack_parameter_count_; |
| 464 | // If hint_stack_parameter_count_ > 0, the code stub can optimize the |
| 465 | // return sequence. Default value is -1, which means it is ignored. |
| 466 | int hint_stack_parameter_count_; |
| 467 | StubFunctionMode function_mode_; |
| 468 | |
| 469 | Address deoptimization_handler_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 470 | |
| 471 | ExternalReference miss_handler_; |
| 472 | bool has_miss_handler_; |
| 473 | }; |
| 474 | |
| 475 | |
| 476 | class HydrogenCodeStub : public CodeStub { |
| 477 | public: |
| 478 | enum InitializationState { |
| 479 | UNINITIALIZED, |
| 480 | INITIALIZED |
| 481 | }; |
| 482 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 483 | template<class SubClass> |
| 484 | static Handle<Code> GetUninitialized(Isolate* isolate) { |
| 485 | SubClass::GenerateAheadOfTime(isolate); |
| 486 | return SubClass().GetCode(isolate); |
| 487 | } |
| 488 | |
| 489 | // Retrieve the code for the stub. Generate the code if needed. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 490 | Handle<Code> GenerateCode() override = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 491 | |
| 492 | bool IsUninitialized() const { return IsMissBits::decode(minor_key_); } |
| 493 | |
| 494 | Handle<Code> GenerateLightweightMissCode(ExternalReference miss); |
| 495 | |
| 496 | template<class StateType> |
| 497 | void TraceTransition(StateType from, StateType to); |
| 498 | |
| 499 | protected: |
| 500 | explicit HydrogenCodeStub(Isolate* isolate, |
| 501 | InitializationState state = INITIALIZED) |
| 502 | : CodeStub(isolate) { |
| 503 | minor_key_ = IsMissBits::encode(state == UNINITIALIZED); |
| 504 | } |
| 505 | |
| 506 | void set_sub_minor_key(uint32_t key) { |
| 507 | minor_key_ = SubMinorKeyBits::update(minor_key_, key); |
| 508 | } |
| 509 | |
| 510 | uint32_t sub_minor_key() const { return SubMinorKeyBits::decode(minor_key_); } |
| 511 | |
| 512 | static const int kSubMinorKeyBits = kStubMinorKeyBits - 1; |
| 513 | |
| 514 | private: |
| 515 | class IsMissBits : public BitField<bool, kSubMinorKeyBits, 1> {}; |
| 516 | class SubMinorKeyBits : public BitField<int, 0, kSubMinorKeyBits> {}; |
| 517 | |
| 518 | void GenerateLightweightMiss(MacroAssembler* masm, ExternalReference miss); |
| 519 | |
| 520 | DEFINE_CODE_STUB_BASE(HydrogenCodeStub, CodeStub); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 521 | }; |
| 522 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 523 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 524 | class TurboFanCodeStub : public CodeStub { |
| 525 | public: |
| 526 | // Retrieve the code for the stub. Generate the code if needed. |
| 527 | Handle<Code> GenerateCode() override; |
| 528 | |
| 529 | int GetStackParameterCount() const override { |
| 530 | return GetCallInterfaceDescriptor().GetStackParameterCount(); |
| 531 | } |
| 532 | |
| 533 | Code::StubType GetStubType() const override { return Code::FAST; } |
| 534 | |
| 535 | protected: |
| 536 | explicit TurboFanCodeStub(Isolate* isolate) : CodeStub(isolate) {} |
| 537 | |
| 538 | virtual void GenerateAssembly( |
| 539 | compiler::CodeStubAssembler* assembler) const = 0; |
| 540 | |
| 541 | private: |
| 542 | DEFINE_CODE_STUB_BASE(TurboFanCodeStub, CodeStub); |
| 543 | }; |
| 544 | |
| 545 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 546 | // Helper interface to prepare to/restore after making runtime calls. |
| 547 | class RuntimeCallHelper { |
| 548 | public: |
| 549 | virtual ~RuntimeCallHelper() {} |
| 550 | |
| 551 | virtual void BeforeCall(MacroAssembler* masm) const = 0; |
| 552 | |
| 553 | virtual void AfterCall(MacroAssembler* masm) const = 0; |
| 554 | |
| 555 | protected: |
| 556 | RuntimeCallHelper() {} |
| 557 | |
| 558 | private: |
| 559 | DISALLOW_COPY_AND_ASSIGN(RuntimeCallHelper); |
| 560 | }; |
| 561 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 562 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 563 | } // namespace internal |
| 564 | } // namespace v8 |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 565 | |
| 566 | #if V8_TARGET_ARCH_IA32 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 567 | #include "src/ia32/code-stubs-ia32.h" |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 568 | #elif V8_TARGET_ARCH_X64 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 569 | #include "src/x64/code-stubs-x64.h" |
| 570 | #elif V8_TARGET_ARCH_ARM64 |
| 571 | #include "src/arm64/code-stubs-arm64.h" |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 572 | #elif V8_TARGET_ARCH_ARM |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 573 | #include "src/arm/code-stubs-arm.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 574 | #elif V8_TARGET_ARCH_PPC |
| 575 | #include "src/ppc/code-stubs-ppc.h" |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 576 | #elif V8_TARGET_ARCH_MIPS |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 577 | #include "src/mips/code-stubs-mips.h" |
| 578 | #elif V8_TARGET_ARCH_MIPS64 |
| 579 | #include "src/mips64/code-stubs-mips64.h" |
| 580 | #elif V8_TARGET_ARCH_X87 |
| 581 | #include "src/x87/code-stubs-x87.h" |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 582 | #else |
| 583 | #error Unsupported target architecture. |
| 584 | #endif |
| 585 | |
| 586 | namespace v8 { |
| 587 | namespace internal { |
| 588 | |
| 589 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 590 | // RuntimeCallHelper implementation used in stubs: enters/leaves a |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 591 | // newly created internal frame before/after the runtime call. |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 592 | class StubRuntimeCallHelper : public RuntimeCallHelper { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 593 | public: |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 594 | StubRuntimeCallHelper() {} |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 595 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 596 | void BeforeCall(MacroAssembler* masm) const override; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 597 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 598 | void AfterCall(MacroAssembler* masm) const override; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 599 | }; |
| 600 | |
| 601 | |
| 602 | // Trivial RuntimeCallHelper implementation. |
| 603 | class NopRuntimeCallHelper : public RuntimeCallHelper { |
| 604 | public: |
| 605 | NopRuntimeCallHelper() {} |
| 606 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 607 | void BeforeCall(MacroAssembler* masm) const override {} |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 608 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 609 | void AfterCall(MacroAssembler* masm) const override {} |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 610 | }; |
| 611 | |
| 612 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 613 | class StringLengthStub : public TurboFanCodeStub { |
| 614 | public: |
| 615 | explicit StringLengthStub(Isolate* isolate) : TurboFanCodeStub(isolate) {} |
| 616 | |
| 617 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 618 | InlineCacheState GetICState() const override { return MONOMORPHIC; } |
| 619 | ExtraICState GetExtraICState() const override { return Code::LOAD_IC; } |
| 620 | |
| 621 | void GenerateAssembly(compiler::CodeStubAssembler* assembler) const override; |
| 622 | |
| 623 | DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector); |
| 624 | DEFINE_CODE_STUB(StringLength, TurboFanCodeStub); |
| 625 | }; |
| 626 | |
| 627 | |
| 628 | enum StringAddFlags { |
| 629 | // Omit both parameter checks. |
| 630 | STRING_ADD_CHECK_NONE = 0, |
| 631 | // Check left parameter. |
| 632 | STRING_ADD_CHECK_LEFT = 1 << 0, |
| 633 | // Check right parameter. |
| 634 | STRING_ADD_CHECK_RIGHT = 1 << 1, |
| 635 | // Check both parameters. |
| 636 | STRING_ADD_CHECK_BOTH = STRING_ADD_CHECK_LEFT | STRING_ADD_CHECK_RIGHT, |
| 637 | // Convert parameters when check fails (instead of throwing an exception). |
| 638 | STRING_ADD_CONVERT = 1 << 2, |
| 639 | STRING_ADD_CONVERT_LEFT = STRING_ADD_CHECK_LEFT | STRING_ADD_CONVERT, |
| 640 | STRING_ADD_CONVERT_RIGHT = STRING_ADD_CHECK_RIGHT | STRING_ADD_CONVERT |
| 641 | }; |
| 642 | |
| 643 | |
| 644 | std::ostream& operator<<(std::ostream& os, const StringAddFlags& flags); |
| 645 | |
| 646 | |
| 647 | class NumberToStringStub final : public HydrogenCodeStub { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 648 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 649 | explicit NumberToStringStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 650 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 651 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 652 | static const int kNumber = 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 653 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 654 | DEFINE_CALL_INTERFACE_DESCRIPTOR(NumberToString); |
| 655 | DEFINE_HYDROGEN_CODE_STUB(NumberToString, HydrogenCodeStub); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 656 | }; |
| 657 | |
| 658 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 659 | class TypeofStub final : public HydrogenCodeStub { |
| 660 | public: |
| 661 | explicit TypeofStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
| 662 | |
| 663 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 664 | static const int kObject = 0; |
| 665 | |
| 666 | static void GenerateAheadOfTime(Isolate* isolate); |
| 667 | |
| 668 | DEFINE_CALL_INTERFACE_DESCRIPTOR(Typeof); |
| 669 | DEFINE_HYDROGEN_CODE_STUB(Typeof, HydrogenCodeStub); |
| 670 | }; |
| 671 | |
| 672 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 673 | class FastNewClosureStub : public HydrogenCodeStub { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 674 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 675 | FastNewClosureStub(Isolate* isolate, LanguageMode language_mode, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 676 | FunctionKind kind) |
| 677 | : HydrogenCodeStub(isolate) { |
| 678 | DCHECK(IsValidFunctionKind(kind)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 679 | set_sub_minor_key(LanguageModeBits::encode(language_mode) | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 680 | FunctionKindBits::encode(kind)); |
| 681 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 682 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 683 | LanguageMode language_mode() const { |
| 684 | return LanguageModeBits::decode(sub_minor_key()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | FunctionKind kind() const { |
| 688 | return FunctionKindBits::decode(sub_minor_key()); |
| 689 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 690 | |
| 691 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 692 | STATIC_ASSERT(LANGUAGE_END == 3); |
| 693 | class LanguageModeBits : public BitField<LanguageMode, 0, 2> {}; |
| 694 | class FunctionKindBits : public BitField<FunctionKind, 2, 8> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 695 | |
| 696 | DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewClosure); |
| 697 | DEFINE_HYDROGEN_CODE_STUB(FastNewClosure, HydrogenCodeStub); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 698 | }; |
| 699 | |
| 700 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 701 | class FastNewContextStub final : public HydrogenCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 702 | public: |
| 703 | static const int kMaximumSlots = 64; |
| 704 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 705 | FastNewContextStub(Isolate* isolate, int slots) : HydrogenCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 706 | DCHECK(slots >= 0 && slots <= kMaximumSlots); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 707 | set_sub_minor_key(SlotsBits::encode(slots)); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 708 | } |
| 709 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 710 | int slots() const { return SlotsBits::decode(sub_minor_key()); } |
| 711 | |
| 712 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 713 | static const int kFunction = 0; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 714 | |
| 715 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 716 | class SlotsBits : public BitField<int, 0, 8> {}; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 717 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 718 | DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewContext); |
| 719 | DEFINE_HYDROGEN_CODE_STUB(FastNewContext, HydrogenCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 720 | }; |
| 721 | |
| 722 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 723 | class FastCloneRegExpStub final : public HydrogenCodeStub { |
| 724 | public: |
| 725 | explicit FastCloneRegExpStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
| 726 | |
| 727 | private: |
| 728 | DEFINE_CALL_INTERFACE_DESCRIPTOR(FastCloneRegExp); |
| 729 | DEFINE_HYDROGEN_CODE_STUB(FastCloneRegExp, HydrogenCodeStub); |
| 730 | }; |
| 731 | |
| 732 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 733 | class FastCloneShallowArrayStub : public HydrogenCodeStub { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 734 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 735 | FastCloneShallowArrayStub(Isolate* isolate, |
| 736 | AllocationSiteMode allocation_site_mode) |
| 737 | : HydrogenCodeStub(isolate) { |
| 738 | set_sub_minor_key(AllocationSiteModeBits::encode(allocation_site_mode)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 739 | } |
| 740 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 741 | AllocationSiteMode allocation_site_mode() const { |
| 742 | return AllocationSiteModeBits::decode(sub_minor_key()); |
| 743 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 744 | |
| 745 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 746 | class AllocationSiteModeBits: public BitField<AllocationSiteMode, 0, 1> {}; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 747 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 748 | DEFINE_CALL_INTERFACE_DESCRIPTOR(FastCloneShallowArray); |
| 749 | DEFINE_HYDROGEN_CODE_STUB(FastCloneShallowArray, HydrogenCodeStub); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 750 | }; |
| 751 | |
| 752 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 753 | class FastCloneShallowObjectStub : public HydrogenCodeStub { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 754 | public: |
| 755 | // Maximum number of properties in copied object. |
| 756 | static const int kMaximumClonedProperties = 6; |
| 757 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 758 | FastCloneShallowObjectStub(Isolate* isolate, int length) |
| 759 | : HydrogenCodeStub(isolate) { |
| 760 | DCHECK_GE(length, 0); |
| 761 | DCHECK_LE(length, kMaximumClonedProperties); |
| 762 | set_sub_minor_key(LengthBits::encode(length)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 763 | } |
| 764 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 765 | int length() const { return LengthBits::decode(sub_minor_key()); } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 766 | |
| 767 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 768 | class LengthBits : public BitField<int, 0, 4> {}; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 769 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 770 | DEFINE_CALL_INTERFACE_DESCRIPTOR(FastCloneShallowObject); |
| 771 | DEFINE_HYDROGEN_CODE_STUB(FastCloneShallowObject, HydrogenCodeStub); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 772 | }; |
| 773 | |
| 774 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 775 | class CreateAllocationSiteStub : public HydrogenCodeStub { |
| 776 | public: |
| 777 | explicit CreateAllocationSiteStub(Isolate* isolate) |
| 778 | : HydrogenCodeStub(isolate) { } |
| 779 | |
| 780 | static void GenerateAheadOfTime(Isolate* isolate); |
| 781 | |
| 782 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CreateAllocationSite); |
| 783 | DEFINE_HYDROGEN_CODE_STUB(CreateAllocationSite, HydrogenCodeStub); |
| 784 | }; |
| 785 | |
| 786 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 787 | class CreateWeakCellStub : public HydrogenCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 788 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 789 | explicit CreateWeakCellStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 790 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 791 | static void GenerateAheadOfTime(Isolate* isolate); |
| 792 | |
| 793 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CreateWeakCell); |
| 794 | DEFINE_HYDROGEN_CODE_STUB(CreateWeakCell, HydrogenCodeStub); |
| 795 | }; |
| 796 | |
| 797 | |
| 798 | class GrowArrayElementsStub : public HydrogenCodeStub { |
| 799 | public: |
| 800 | GrowArrayElementsStub(Isolate* isolate, bool is_js_array, ElementsKind kind) |
| 801 | : HydrogenCodeStub(isolate) { |
| 802 | set_sub_minor_key(ElementsKindBits::encode(kind) | |
| 803 | IsJsArrayBits::encode(is_js_array)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 804 | } |
| 805 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 806 | ElementsKind elements_kind() const { |
| 807 | return ElementsKindBits::decode(sub_minor_key()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 808 | } |
| 809 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 810 | bool is_js_array() const { return IsJsArrayBits::decode(sub_minor_key()); } |
| 811 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 812 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 813 | class ElementsKindBits : public BitField<ElementsKind, 0, 8> {}; |
| 814 | class IsJsArrayBits : public BitField<bool, ElementsKindBits::kNext, 1> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 815 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 816 | DEFINE_CALL_INTERFACE_DESCRIPTOR(GrowArrayElements); |
| 817 | DEFINE_HYDROGEN_CODE_STUB(GrowArrayElements, HydrogenCodeStub); |
| 818 | }; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 819 | |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 820 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 821 | class InstanceOfStub final : public PlatformCodeStub { |
| 822 | public: |
| 823 | explicit InstanceOfStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 824 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 825 | private: |
| 826 | DEFINE_CALL_INTERFACE_DESCRIPTOR(InstanceOf); |
| 827 | DEFINE_PLATFORM_CODE_STUB(InstanceOf, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 828 | }; |
| 829 | |
| 830 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 831 | enum AllocationSiteOverrideMode { |
| 832 | DONT_OVERRIDE, |
| 833 | DISABLE_ALLOCATION_SITES, |
| 834 | LAST_ALLOCATION_SITE_OVERRIDE_MODE = DISABLE_ALLOCATION_SITES |
| 835 | }; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 836 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 837 | |
| 838 | class ArrayConstructorStub: public PlatformCodeStub { |
| 839 | public: |
| 840 | enum ArgumentCountKey { ANY, NONE, ONE, MORE_THAN_ONE }; |
| 841 | |
| 842 | ArrayConstructorStub(Isolate* isolate, int argument_count); |
| 843 | |
| 844 | explicit ArrayConstructorStub(Isolate* isolate); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 845 | |
| 846 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 847 | ArgumentCountKey argument_count() const { |
| 848 | return ArgumentCountBits::decode(minor_key_); |
| 849 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 850 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 851 | void GenerateDispatchToArrayStub(MacroAssembler* masm, |
| 852 | AllocationSiteOverrideMode mode); |
| 853 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 854 | void PrintName(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 855 | |
| 856 | class ArgumentCountBits : public BitField<ArgumentCountKey, 0, 2> {}; |
| 857 | |
| 858 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ArrayConstructor); |
| 859 | DEFINE_PLATFORM_CODE_STUB(ArrayConstructor, PlatformCodeStub); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 860 | }; |
| 861 | |
| 862 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 863 | class InternalArrayConstructorStub: public PlatformCodeStub { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 864 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 865 | explicit InternalArrayConstructorStub(Isolate* isolate); |
| 866 | |
| 867 | private: |
| 868 | void GenerateCase(MacroAssembler* masm, ElementsKind kind); |
| 869 | |
| 870 | DEFINE_CALL_INTERFACE_DESCRIPTOR(InternalArrayConstructor); |
| 871 | DEFINE_PLATFORM_CODE_STUB(InternalArrayConstructor, PlatformCodeStub); |
| 872 | }; |
| 873 | |
| 874 | |
| 875 | class MathPowStub: public PlatformCodeStub { |
| 876 | public: |
| 877 | enum ExponentType { INTEGER, DOUBLE, TAGGED, ON_STACK }; |
| 878 | |
| 879 | MathPowStub(Isolate* isolate, ExponentType exponent_type) |
| 880 | : PlatformCodeStub(isolate) { |
| 881 | minor_key_ = ExponentTypeBits::encode(exponent_type); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 882 | } |
| 883 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 884 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 885 | if (exponent_type() == TAGGED) { |
| 886 | return MathPowTaggedDescriptor(isolate()); |
| 887 | } else if (exponent_type() == INTEGER) { |
| 888 | return MathPowIntegerDescriptor(isolate()); |
| 889 | } |
| 890 | // A CallInterfaceDescriptor doesn't specify double registers (yet). |
| 891 | return ContextOnlyDescriptor(isolate()); |
| 892 | } |
| 893 | |
| 894 | private: |
| 895 | ExponentType exponent_type() const { |
| 896 | return ExponentTypeBits::decode(minor_key_); |
| 897 | } |
| 898 | |
| 899 | class ExponentTypeBits : public BitField<ExponentType, 0, 2> {}; |
| 900 | |
| 901 | DEFINE_PLATFORM_CODE_STUB(MathPow, PlatformCodeStub); |
| 902 | }; |
| 903 | |
| 904 | |
| 905 | class CallICStub: public PlatformCodeStub { |
| 906 | public: |
| 907 | CallICStub(Isolate* isolate, const CallICState& state) |
| 908 | : PlatformCodeStub(isolate) { |
| 909 | minor_key_ = state.GetExtraICState(); |
| 910 | } |
| 911 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 912 | Code::Kind GetCodeKind() const override { return Code::CALL_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 913 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 914 | InlineCacheState GetICState() const override { return GENERIC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 915 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 916 | ExtraICState GetExtraICState() const final { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 917 | return static_cast<ExtraICState>(minor_key_); |
| 918 | } |
| 919 | |
| 920 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 921 | int arg_count() const { return state().argc(); } |
| 922 | ConvertReceiverMode convert_mode() const { return state().convert_mode(); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 923 | |
| 924 | CallICState state() const { |
| 925 | return CallICState(static_cast<ExtraICState>(minor_key_)); |
| 926 | } |
| 927 | |
| 928 | // Code generation helpers. |
| 929 | void GenerateMiss(MacroAssembler* masm); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 930 | void HandleArrayCase(MacroAssembler* masm, Label* miss); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 931 | |
| 932 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 933 | void PrintState(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 934 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 935 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CallFunctionWithFeedbackAndVector); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 936 | DEFINE_PLATFORM_CODE_STUB(CallIC, PlatformCodeStub); |
| 937 | }; |
| 938 | |
| 939 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 940 | // TODO(verwaest): Translate to hydrogen code stub. |
| 941 | class FunctionPrototypeStub : public PlatformCodeStub { |
| 942 | public: |
| 943 | explicit FunctionPrototypeStub(Isolate* isolate) |
| 944 | : PlatformCodeStub(isolate) {} |
| 945 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 946 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 947 | |
| 948 | // TODO(mvstanton): only the receiver register is accessed. When this is |
| 949 | // translated to a hydrogen code stub, a new CallInterfaceDescriptor |
| 950 | // should be created that just uses that register for more efficient code. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 951 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
| 952 | return LoadWithVectorDescriptor(isolate()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 953 | } |
| 954 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 955 | DEFINE_PLATFORM_CODE_STUB(FunctionPrototype, PlatformCodeStub); |
| 956 | }; |
| 957 | |
| 958 | |
| 959 | // TODO(mvstanton): Translate to hydrogen code stub. |
| 960 | class LoadIndexedInterceptorStub : public PlatformCodeStub { |
| 961 | public: |
| 962 | explicit LoadIndexedInterceptorStub(Isolate* isolate) |
| 963 | : PlatformCodeStub(isolate) {} |
| 964 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 965 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 966 | Code::StubType GetStubType() const override { return Code::FAST; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 967 | |
| 968 | DEFINE_CALL_INTERFACE_DESCRIPTOR(Load); |
| 969 | DEFINE_PLATFORM_CODE_STUB(LoadIndexedInterceptor, PlatformCodeStub); |
| 970 | }; |
| 971 | |
| 972 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 973 | class LoadIndexedStringStub : public PlatformCodeStub { |
| 974 | public: |
| 975 | explicit LoadIndexedStringStub(Isolate* isolate) |
| 976 | : PlatformCodeStub(isolate) {} |
| 977 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 978 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 979 | Code::StubType GetStubType() const override { return Code::FAST; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 980 | |
| 981 | DEFINE_CALL_INTERFACE_DESCRIPTOR(Load); |
| 982 | DEFINE_PLATFORM_CODE_STUB(LoadIndexedString, PlatformCodeStub); |
| 983 | }; |
| 984 | |
| 985 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 986 | class HandlerStub : public HydrogenCodeStub { |
| 987 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 988 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 989 | ExtraICState GetExtraICState() const override { return kind(); } |
| 990 | InlineCacheState GetICState() const override { return MONOMORPHIC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 991 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 992 | void InitializeDescriptor(CodeStubDescriptor* descriptor) override; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 993 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 994 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 995 | |
| 996 | protected: |
| 997 | explicit HandlerStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
| 998 | |
| 999 | virtual Code::Kind kind() const = 0; |
| 1000 | |
| 1001 | DEFINE_CODE_STUB_BASE(HandlerStub, HydrogenCodeStub); |
| 1002 | }; |
| 1003 | |
| 1004 | |
| 1005 | class LoadFieldStub: public HandlerStub { |
| 1006 | public: |
| 1007 | LoadFieldStub(Isolate* isolate, FieldIndex index) : HandlerStub(isolate) { |
| 1008 | int property_index_key = index.GetFieldAccessStubKey(); |
| 1009 | set_sub_minor_key(LoadFieldByIndexBits::encode(property_index_key)); |
| 1010 | } |
| 1011 | |
| 1012 | FieldIndex index() const { |
| 1013 | int property_index_key = LoadFieldByIndexBits::decode(sub_minor_key()); |
| 1014 | return FieldIndex::FromFieldAccessStubKey(property_index_key); |
| 1015 | } |
| 1016 | |
| 1017 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1018 | Code::Kind kind() const override { return Code::LOAD_IC; } |
| 1019 | Code::StubType GetStubType() const override { return Code::FAST; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1020 | |
| 1021 | private: |
| 1022 | class LoadFieldByIndexBits : public BitField<int, 0, 13> {}; |
| 1023 | |
| 1024 | DEFINE_HANDLER_CODE_STUB(LoadField, HandlerStub); |
| 1025 | }; |
| 1026 | |
| 1027 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1028 | class ArrayBufferViewLoadFieldStub : public HandlerStub { |
| 1029 | public: |
| 1030 | ArrayBufferViewLoadFieldStub(Isolate* isolate, FieldIndex index) |
| 1031 | : HandlerStub(isolate) { |
| 1032 | int property_index_key = index.GetFieldAccessStubKey(); |
| 1033 | set_sub_minor_key( |
| 1034 | ArrayBufferViewLoadFieldByIndexBits::encode(property_index_key)); |
| 1035 | } |
| 1036 | |
| 1037 | FieldIndex index() const { |
| 1038 | int property_index_key = |
| 1039 | ArrayBufferViewLoadFieldByIndexBits::decode(sub_minor_key()); |
| 1040 | return FieldIndex::FromFieldAccessStubKey(property_index_key); |
| 1041 | } |
| 1042 | |
| 1043 | protected: |
| 1044 | Code::Kind kind() const override { return Code::LOAD_IC; } |
| 1045 | Code::StubType GetStubType() const override { return Code::FAST; } |
| 1046 | |
| 1047 | private: |
| 1048 | class ArrayBufferViewLoadFieldByIndexBits : public BitField<int, 0, 13> {}; |
| 1049 | |
| 1050 | DEFINE_HANDLER_CODE_STUB(ArrayBufferViewLoadField, HandlerStub); |
| 1051 | }; |
| 1052 | |
| 1053 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1054 | class KeyedLoadSloppyArgumentsStub : public HandlerStub { |
| 1055 | public: |
| 1056 | explicit KeyedLoadSloppyArgumentsStub(Isolate* isolate) |
| 1057 | : HandlerStub(isolate) {} |
| 1058 | |
| 1059 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1060 | Code::Kind kind() const override { return Code::KEYED_LOAD_IC; } |
| 1061 | Code::StubType GetStubType() const override { return Code::FAST; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1062 | |
| 1063 | private: |
| 1064 | DEFINE_HANDLER_CODE_STUB(KeyedLoadSloppyArguments, HandlerStub); |
| 1065 | }; |
| 1066 | |
| 1067 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1068 | class CommonStoreModeBits : public BitField<KeyedAccessStoreMode, 0, 3> {}; |
| 1069 | |
| 1070 | class KeyedStoreSloppyArgumentsStub : public HandlerStub { |
| 1071 | public: |
| 1072 | explicit KeyedStoreSloppyArgumentsStub(Isolate* isolate, |
| 1073 | KeyedAccessStoreMode mode) |
| 1074 | : HandlerStub(isolate) { |
| 1075 | set_sub_minor_key(CommonStoreModeBits::encode(mode)); |
| 1076 | } |
| 1077 | |
| 1078 | protected: |
| 1079 | Code::Kind kind() const override { return Code::KEYED_STORE_IC; } |
| 1080 | Code::StubType GetStubType() const override { return Code::FAST; } |
| 1081 | |
| 1082 | private: |
| 1083 | DEFINE_HANDLER_CODE_STUB(KeyedStoreSloppyArguments, HandlerStub); |
| 1084 | }; |
| 1085 | |
| 1086 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1087 | class LoadConstantStub : public HandlerStub { |
| 1088 | public: |
| 1089 | LoadConstantStub(Isolate* isolate, int constant_index) |
| 1090 | : HandlerStub(isolate) { |
| 1091 | set_sub_minor_key(ConstantIndexBits::encode(constant_index)); |
| 1092 | } |
| 1093 | |
| 1094 | int constant_index() const { |
| 1095 | return ConstantIndexBits::decode(sub_minor_key()); |
| 1096 | } |
| 1097 | |
| 1098 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1099 | Code::Kind kind() const override { return Code::LOAD_IC; } |
| 1100 | Code::StubType GetStubType() const override { return Code::FAST; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1101 | |
| 1102 | private: |
| 1103 | class ConstantIndexBits : public BitField<int, 0, kSubMinorKeyBits> {}; |
| 1104 | |
| 1105 | DEFINE_HANDLER_CODE_STUB(LoadConstant, HandlerStub); |
| 1106 | }; |
| 1107 | |
| 1108 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1109 | class StoreFieldStub : public HandlerStub { |
| 1110 | public: |
| 1111 | StoreFieldStub(Isolate* isolate, FieldIndex index, |
| 1112 | Representation representation) |
| 1113 | : HandlerStub(isolate) { |
| 1114 | int property_index_key = index.GetFieldAccessStubKey(); |
| 1115 | uint8_t repr = PropertyDetails::EncodeRepresentation(representation); |
| 1116 | set_sub_minor_key(StoreFieldByIndexBits::encode(property_index_key) | |
| 1117 | RepresentationBits::encode(repr)); |
| 1118 | } |
| 1119 | |
| 1120 | FieldIndex index() const { |
| 1121 | int property_index_key = StoreFieldByIndexBits::decode(sub_minor_key()); |
| 1122 | return FieldIndex::FromFieldAccessStubKey(property_index_key); |
| 1123 | } |
| 1124 | |
| 1125 | Representation representation() { |
| 1126 | uint8_t repr = RepresentationBits::decode(sub_minor_key()); |
| 1127 | return PropertyDetails::DecodeRepresentation(repr); |
| 1128 | } |
| 1129 | |
| 1130 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1131 | Code::Kind kind() const override { return Code::STORE_IC; } |
| 1132 | Code::StubType GetStubType() const override { return Code::FAST; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1133 | |
| 1134 | private: |
| 1135 | class StoreFieldByIndexBits : public BitField<int, 0, 13> {}; |
| 1136 | class RepresentationBits : public BitField<uint8_t, 13, 4> {}; |
| 1137 | |
| 1138 | DEFINE_HANDLER_CODE_STUB(StoreField, HandlerStub); |
| 1139 | }; |
| 1140 | |
| 1141 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1142 | // Register and parameter access methods are specified here instead of in |
| 1143 | // the CallInterfaceDescriptor because the stub uses a different descriptor |
| 1144 | // if FLAG_vector_stores is on. |
| 1145 | class StoreTransitionHelper { |
| 1146 | public: |
| 1147 | static Register ReceiverRegister() { |
| 1148 | return StoreTransitionDescriptor::ReceiverRegister(); |
| 1149 | } |
| 1150 | |
| 1151 | static Register NameRegister() { |
| 1152 | return StoreTransitionDescriptor::NameRegister(); |
| 1153 | } |
| 1154 | |
| 1155 | static Register ValueRegister() { |
| 1156 | return StoreTransitionDescriptor::ValueRegister(); |
| 1157 | } |
| 1158 | |
| 1159 | static Register SlotRegister() { |
| 1160 | return VectorStoreTransitionDescriptor::SlotRegister(); |
| 1161 | } |
| 1162 | |
| 1163 | static Register VectorRegister() { |
| 1164 | return VectorStoreTransitionDescriptor::VectorRegister(); |
| 1165 | } |
| 1166 | |
| 1167 | static Register MapRegister() { |
| 1168 | return VectorStoreTransitionDescriptor::MapRegister(); |
| 1169 | } |
| 1170 | |
| 1171 | static int ReceiverIndex() { |
| 1172 | return StoreTransitionDescriptor::kReceiverIndex; |
| 1173 | } |
| 1174 | |
| 1175 | static int NameIndex() { return StoreTransitionDescriptor::kReceiverIndex; } |
| 1176 | |
| 1177 | static int ValueIndex() { return StoreTransitionDescriptor::kValueIndex; } |
| 1178 | |
| 1179 | static int MapIndex() { |
| 1180 | DCHECK(static_cast<int>(VectorStoreTransitionDescriptor::kMapIndex) == |
| 1181 | static_cast<int>(StoreTransitionDescriptor::kMapIndex)); |
| 1182 | return StoreTransitionDescriptor::kMapIndex; |
| 1183 | } |
| 1184 | |
| 1185 | static int VectorIndex() { |
| 1186 | if (HasVirtualSlotArg()) { |
| 1187 | return VectorStoreTransitionDescriptor::kVirtualSlotVectorIndex; |
| 1188 | } |
| 1189 | return VectorStoreTransitionDescriptor::kVectorIndex; |
| 1190 | } |
| 1191 | |
| 1192 | // Some platforms don't have a slot arg. |
| 1193 | static bool HasVirtualSlotArg() { |
| 1194 | return SlotRegister().is(no_reg); |
| 1195 | } |
| 1196 | }; |
| 1197 | |
| 1198 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1199 | class StoreTransitionStub : public HandlerStub { |
| 1200 | public: |
| 1201 | enum StoreMode { |
| 1202 | StoreMapOnly, |
| 1203 | StoreMapAndValue, |
| 1204 | ExtendStorageAndStoreMapAndValue |
| 1205 | }; |
| 1206 | |
| 1207 | explicit StoreTransitionStub(Isolate* isolate) : HandlerStub(isolate) { |
| 1208 | set_sub_minor_key(StoreModeBits::encode(StoreMapOnly)); |
| 1209 | } |
| 1210 | |
| 1211 | StoreTransitionStub(Isolate* isolate, FieldIndex index, |
| 1212 | Representation representation, StoreMode store_mode) |
| 1213 | : HandlerStub(isolate) { |
| 1214 | DCHECK(store_mode != StoreMapOnly); |
| 1215 | int property_index_key = index.GetFieldAccessStubKey(); |
| 1216 | uint8_t repr = PropertyDetails::EncodeRepresentation(representation); |
| 1217 | set_sub_minor_key(StoreFieldByIndexBits::encode(property_index_key) | |
| 1218 | RepresentationBits::encode(repr) | |
| 1219 | StoreModeBits::encode(store_mode)); |
| 1220 | } |
| 1221 | |
| 1222 | FieldIndex index() const { |
| 1223 | DCHECK(store_mode() != StoreMapOnly); |
| 1224 | int property_index_key = StoreFieldByIndexBits::decode(sub_minor_key()); |
| 1225 | return FieldIndex::FromFieldAccessStubKey(property_index_key); |
| 1226 | } |
| 1227 | |
| 1228 | Representation representation() { |
| 1229 | DCHECK(store_mode() != StoreMapOnly); |
| 1230 | uint8_t repr = RepresentationBits::decode(sub_minor_key()); |
| 1231 | return PropertyDetails::DecodeRepresentation(repr); |
| 1232 | } |
| 1233 | |
| 1234 | StoreMode store_mode() const { |
| 1235 | return StoreModeBits::decode(sub_minor_key()); |
| 1236 | } |
| 1237 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1238 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1239 | |
| 1240 | protected: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1241 | Code::Kind kind() const override { return Code::STORE_IC; } |
| 1242 | Code::StubType GetStubType() const override { return Code::FAST; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1243 | |
| 1244 | private: |
| 1245 | class StoreFieldByIndexBits : public BitField<int, 0, 13> {}; |
| 1246 | class RepresentationBits : public BitField<uint8_t, 13, 4> {}; |
| 1247 | class StoreModeBits : public BitField<StoreMode, 17, 2> {}; |
| 1248 | |
| 1249 | DEFINE_HANDLER_CODE_STUB(StoreTransition, HandlerStub); |
| 1250 | }; |
| 1251 | |
| 1252 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1253 | class StoreGlobalStub : public HandlerStub { |
| 1254 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1255 | StoreGlobalStub(Isolate* isolate, PropertyCellType type, |
| 1256 | Maybe<PropertyCellConstantType> constant_type, |
| 1257 | bool check_global) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1258 | : HandlerStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1259 | PropertyCellConstantType encoded_constant_type = |
| 1260 | constant_type.FromMaybe(PropertyCellConstantType::kSmi); |
| 1261 | set_sub_minor_key(CellTypeBits::encode(type) | |
| 1262 | ConstantTypeBits::encode(encoded_constant_type) | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1263 | CheckGlobalBits::encode(check_global)); |
| 1264 | } |
| 1265 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1266 | static Handle<HeapObject> property_cell_placeholder(Isolate* isolate) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1267 | return isolate->factory()->uninitialized_value(); |
| 1268 | } |
| 1269 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1270 | static Handle<HeapObject> global_map_placeholder(Isolate* isolate) { |
| 1271 | return isolate->factory()->termination_exception(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1272 | } |
| 1273 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1274 | Handle<Code> GetCodeCopyFromTemplate(Handle<JSGlobalObject> global, |
| 1275 | Handle<PropertyCell> cell) { |
| 1276 | Code::FindAndReplacePattern pattern; |
| 1277 | if (check_global()) { |
| 1278 | pattern.Add(handle(global_map_placeholder(isolate())->map()), |
| 1279 | Map::WeakCellForMap(Handle<Map>(global->map()))); |
| 1280 | } |
| 1281 | pattern.Add(handle(property_cell_placeholder(isolate())->map()), |
| 1282 | isolate()->factory()->NewWeakCell(cell)); |
| 1283 | return CodeStub::GetCodeCopy(pattern); |
| 1284 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1285 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1286 | Code::Kind kind() const override { return Code::STORE_IC; } |
| 1287 | |
| 1288 | PropertyCellType cell_type() const { |
| 1289 | return CellTypeBits::decode(sub_minor_key()); |
| 1290 | } |
| 1291 | |
| 1292 | PropertyCellConstantType constant_type() const { |
| 1293 | DCHECK(PropertyCellType::kConstantType == cell_type()); |
| 1294 | return ConstantTypeBits::decode(sub_minor_key()); |
| 1295 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1296 | |
| 1297 | bool check_global() const { return CheckGlobalBits::decode(sub_minor_key()); } |
| 1298 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1299 | Representation representation() { |
| 1300 | return Representation::FromKind( |
| 1301 | RepresentationBits::decode(sub_minor_key())); |
| 1302 | } |
| 1303 | |
| 1304 | void set_representation(Representation r) { |
| 1305 | set_sub_minor_key(RepresentationBits::update(sub_minor_key(), r.kind())); |
| 1306 | } |
| 1307 | |
| 1308 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1309 | class CellTypeBits : public BitField<PropertyCellType, 0, 2> {}; |
| 1310 | class ConstantTypeBits : public BitField<PropertyCellConstantType, 2, 2> {}; |
| 1311 | class RepresentationBits : public BitField<Representation::Kind, 4, 8> {}; |
| 1312 | class CheckGlobalBits : public BitField<bool, 12, 1> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1313 | |
| 1314 | DEFINE_HANDLER_CODE_STUB(StoreGlobal, HandlerStub); |
| 1315 | }; |
| 1316 | |
| 1317 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1318 | class LoadGlobalViaContextStub final : public PlatformCodeStub { |
| 1319 | public: |
| 1320 | static const int kMaximumDepth = 15; |
| 1321 | |
| 1322 | LoadGlobalViaContextStub(Isolate* isolate, int depth) |
| 1323 | : PlatformCodeStub(isolate) { |
| 1324 | minor_key_ = DepthBits::encode(depth); |
| 1325 | } |
| 1326 | |
| 1327 | int depth() const { return DepthBits::decode(minor_key_); } |
| 1328 | |
| 1329 | private: |
| 1330 | class DepthBits : public BitField<int, 0, 4> {}; |
| 1331 | STATIC_ASSERT(DepthBits::kMax == kMaximumDepth); |
| 1332 | |
| 1333 | DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadGlobalViaContext); |
| 1334 | DEFINE_PLATFORM_CODE_STUB(LoadGlobalViaContext, PlatformCodeStub); |
| 1335 | }; |
| 1336 | |
| 1337 | |
| 1338 | class StoreGlobalViaContextStub final : public PlatformCodeStub { |
| 1339 | public: |
| 1340 | static const int kMaximumDepth = 15; |
| 1341 | |
| 1342 | StoreGlobalViaContextStub(Isolate* isolate, int depth, |
| 1343 | LanguageMode language_mode) |
| 1344 | : PlatformCodeStub(isolate) { |
| 1345 | minor_key_ = |
| 1346 | DepthBits::encode(depth) | LanguageModeBits::encode(language_mode); |
| 1347 | } |
| 1348 | |
| 1349 | int depth() const { return DepthBits::decode(minor_key_); } |
| 1350 | LanguageMode language_mode() const { |
| 1351 | return LanguageModeBits::decode(minor_key_); |
| 1352 | } |
| 1353 | |
| 1354 | private: |
| 1355 | class DepthBits : public BitField<int, 0, 4> {}; |
| 1356 | STATIC_ASSERT(DepthBits::kMax == kMaximumDepth); |
| 1357 | class LanguageModeBits : public BitField<LanguageMode, 4, 2> {}; |
| 1358 | STATIC_ASSERT(LANGUAGE_END == 3); |
| 1359 | |
| 1360 | DEFINE_CALL_INTERFACE_DESCRIPTOR(StoreGlobalViaContext); |
| 1361 | DEFINE_PLATFORM_CODE_STUB(StoreGlobalViaContext, PlatformCodeStub); |
| 1362 | }; |
| 1363 | |
| 1364 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1365 | class CallApiFunctionStub : public PlatformCodeStub { |
| 1366 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1367 | explicit CallApiFunctionStub(Isolate* isolate, bool call_data_undefined) |
| 1368 | : PlatformCodeStub(isolate) { |
| 1369 | minor_key_ = CallDataUndefinedBits::encode(call_data_undefined); |
| 1370 | } |
| 1371 | |
| 1372 | private: |
| 1373 | bool call_data_undefined() const { |
| 1374 | return CallDataUndefinedBits::decode(minor_key_); |
| 1375 | } |
| 1376 | |
| 1377 | class CallDataUndefinedBits : public BitField<bool, 0, 1> {}; |
| 1378 | |
| 1379 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ApiFunction); |
| 1380 | DEFINE_PLATFORM_CODE_STUB(CallApiFunction, PlatformCodeStub); |
| 1381 | }; |
| 1382 | |
| 1383 | |
| 1384 | class CallApiAccessorStub : public PlatformCodeStub { |
| 1385 | public: |
| 1386 | CallApiAccessorStub(Isolate* isolate, bool is_store, bool call_data_undefined) |
| 1387 | : PlatformCodeStub(isolate) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1388 | minor_key_ = IsStoreBits::encode(is_store) | |
| 1389 | CallDataUndefinedBits::encode(call_data_undefined) | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1390 | ArgumentBits::encode(is_store ? 1 : 0); |
| 1391 | } |
| 1392 | |
| 1393 | protected: |
| 1394 | // For CallApiFunctionWithFixedArgsStub, see below. |
| 1395 | static const int kArgBits = 3; |
| 1396 | CallApiAccessorStub(Isolate* isolate, int argc, bool call_data_undefined) |
| 1397 | : PlatformCodeStub(isolate) { |
| 1398 | minor_key_ = IsStoreBits::encode(false) | |
| 1399 | CallDataUndefinedBits::encode(call_data_undefined) | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1400 | ArgumentBits::encode(argc); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | private: |
| 1404 | bool is_store() const { return IsStoreBits::decode(minor_key_); } |
| 1405 | bool call_data_undefined() const { |
| 1406 | return CallDataUndefinedBits::decode(minor_key_); |
| 1407 | } |
| 1408 | int argc() const { return ArgumentBits::decode(minor_key_); } |
| 1409 | |
| 1410 | class IsStoreBits: public BitField<bool, 0, 1> {}; |
| 1411 | class CallDataUndefinedBits: public BitField<bool, 1, 1> {}; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1412 | class ArgumentBits : public BitField<int, 2, kArgBits> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1413 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1414 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ApiAccessor); |
| 1415 | DEFINE_PLATFORM_CODE_STUB(CallApiAccessor, PlatformCodeStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1416 | }; |
| 1417 | |
| 1418 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1419 | // TODO(dcarney): see if it's possible to remove this later without performance |
| 1420 | // degradation. |
| 1421 | // This is not a real stub, but a way of generating the CallApiAccessorStub |
| 1422 | // (which has the same abi) which makes it clear that it is not an accessor. |
| 1423 | class CallApiFunctionWithFixedArgsStub : public CallApiAccessorStub { |
| 1424 | public: |
| 1425 | static const int kMaxFixedArgs = (1 << kArgBits) - 1; |
| 1426 | CallApiFunctionWithFixedArgsStub(Isolate* isolate, int argc, |
| 1427 | bool call_data_undefined) |
| 1428 | : CallApiAccessorStub(isolate, argc, call_data_undefined) { |
| 1429 | DCHECK(0 <= argc && argc <= kMaxFixedArgs); |
| 1430 | } |
| 1431 | }; |
| 1432 | |
| 1433 | |
| 1434 | typedef ApiAccessorDescriptor ApiFunctionWithFixedArgsDescriptor; |
| 1435 | |
| 1436 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1437 | class CallApiGetterStub : public PlatformCodeStub { |
| 1438 | public: |
| 1439 | explicit CallApiGetterStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 1440 | |
| 1441 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ApiGetter); |
| 1442 | DEFINE_PLATFORM_CODE_STUB(CallApiGetter, PlatformCodeStub); |
| 1443 | }; |
| 1444 | |
| 1445 | |
| 1446 | class BinaryOpICStub : public HydrogenCodeStub { |
| 1447 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1448 | BinaryOpICStub(Isolate* isolate, Token::Value op, Strength strength) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1449 | : HydrogenCodeStub(isolate, UNINITIALIZED) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1450 | BinaryOpICState state(isolate, op, strength); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1451 | set_sub_minor_key(state.GetExtraICState()); |
| 1452 | } |
| 1453 | |
| 1454 | BinaryOpICStub(Isolate* isolate, const BinaryOpICState& state) |
| 1455 | : HydrogenCodeStub(isolate) { |
| 1456 | set_sub_minor_key(state.GetExtraICState()); |
| 1457 | } |
| 1458 | |
| 1459 | static void GenerateAheadOfTime(Isolate* isolate); |
| 1460 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1461 | Code::Kind GetCodeKind() const override { return Code::BINARY_OP_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1462 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1463 | InlineCacheState GetICState() const final { return state().GetICState(); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1464 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1465 | ExtraICState GetExtraICState() const final { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1466 | return static_cast<ExtraICState>(sub_minor_key()); |
| 1467 | } |
| 1468 | |
| 1469 | BinaryOpICState state() const { |
| 1470 | return BinaryOpICState(isolate(), GetExtraICState()); |
| 1471 | } |
| 1472 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1473 | void PrintState(std::ostream& os) const final; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1474 | |
| 1475 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 1476 | static const int kLeft = 0; |
| 1477 | static const int kRight = 1; |
| 1478 | |
| 1479 | private: |
| 1480 | static void GenerateAheadOfTime(Isolate* isolate, |
| 1481 | const BinaryOpICState& state); |
| 1482 | |
| 1483 | DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp); |
| 1484 | DEFINE_HYDROGEN_CODE_STUB(BinaryOpIC, HydrogenCodeStub); |
| 1485 | }; |
| 1486 | |
| 1487 | |
| 1488 | // TODO(bmeurer): Merge this into the BinaryOpICStub once we have proper tail |
| 1489 | // call support for stubs in Hydrogen. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1490 | class BinaryOpICWithAllocationSiteStub final : public PlatformCodeStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1491 | public: |
| 1492 | BinaryOpICWithAllocationSiteStub(Isolate* isolate, |
| 1493 | const BinaryOpICState& state) |
| 1494 | : PlatformCodeStub(isolate) { |
| 1495 | minor_key_ = state.GetExtraICState(); |
| 1496 | } |
| 1497 | |
| 1498 | static void GenerateAheadOfTime(Isolate* isolate); |
| 1499 | |
| 1500 | Handle<Code> GetCodeCopyFromTemplate(Handle<AllocationSite> allocation_site) { |
| 1501 | Code::FindAndReplacePattern pattern; |
| 1502 | pattern.Add(isolate()->factory()->undefined_map(), allocation_site); |
| 1503 | return CodeStub::GetCodeCopy(pattern); |
| 1504 | } |
| 1505 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1506 | Code::Kind GetCodeKind() const override { return Code::BINARY_OP_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1507 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1508 | InlineCacheState GetICState() const override { return state().GetICState(); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1509 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1510 | ExtraICState GetExtraICState() const override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1511 | return static_cast<ExtraICState>(minor_key_); |
| 1512 | } |
| 1513 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1514 | void PrintState(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1515 | |
| 1516 | private: |
| 1517 | BinaryOpICState state() const { |
| 1518 | return BinaryOpICState(isolate(), static_cast<ExtraICState>(minor_key_)); |
| 1519 | } |
| 1520 | |
| 1521 | static void GenerateAheadOfTime(Isolate* isolate, |
| 1522 | const BinaryOpICState& state); |
| 1523 | |
| 1524 | DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOpWithAllocationSite); |
| 1525 | DEFINE_PLATFORM_CODE_STUB(BinaryOpICWithAllocationSite, PlatformCodeStub); |
| 1526 | }; |
| 1527 | |
| 1528 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1529 | class BinaryOpWithAllocationSiteStub final : public BinaryOpICStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1530 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1531 | BinaryOpWithAllocationSiteStub(Isolate* isolate, Token::Value op, |
| 1532 | Strength strength) |
| 1533 | : BinaryOpICStub(isolate, op, strength) {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1534 | |
| 1535 | BinaryOpWithAllocationSiteStub(Isolate* isolate, const BinaryOpICState& state) |
| 1536 | : BinaryOpICStub(isolate, state) {} |
| 1537 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1538 | Code::Kind GetCodeKind() const final { return Code::STUB; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1539 | |
| 1540 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 1541 | static const int kAllocationSite = 0; |
| 1542 | static const int kLeft = 1; |
| 1543 | static const int kRight = 2; |
| 1544 | |
| 1545 | DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOpWithAllocationSite); |
| 1546 | DEFINE_HYDROGEN_CODE_STUB(BinaryOpWithAllocationSite, BinaryOpICStub); |
| 1547 | }; |
| 1548 | |
| 1549 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1550 | class StringAddStub final : public HydrogenCodeStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1551 | public: |
| 1552 | StringAddStub(Isolate* isolate, StringAddFlags flags, |
| 1553 | PretenureFlag pretenure_flag) |
| 1554 | : HydrogenCodeStub(isolate) { |
| 1555 | set_sub_minor_key(StringAddFlagsBits::encode(flags) | |
| 1556 | PretenureFlagBits::encode(pretenure_flag)); |
| 1557 | } |
| 1558 | |
| 1559 | StringAddFlags flags() const { |
| 1560 | return StringAddFlagsBits::decode(sub_minor_key()); |
| 1561 | } |
| 1562 | |
| 1563 | PretenureFlag pretenure_flag() const { |
| 1564 | return PretenureFlagBits::decode(sub_minor_key()); |
| 1565 | } |
| 1566 | |
| 1567 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 1568 | static const int kLeft = 0; |
| 1569 | static const int kRight = 1; |
| 1570 | |
| 1571 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1572 | class StringAddFlagsBits : public BitField<StringAddFlags, 0, 3> {}; |
| 1573 | class PretenureFlagBits : public BitField<PretenureFlag, 3, 1> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1574 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1575 | void PrintBaseName(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1576 | |
| 1577 | DEFINE_CALL_INTERFACE_DESCRIPTOR(StringAdd); |
| 1578 | DEFINE_HYDROGEN_CODE_STUB(StringAdd, HydrogenCodeStub); |
| 1579 | }; |
| 1580 | |
| 1581 | |
| 1582 | class CompareICStub : public PlatformCodeStub { |
| 1583 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1584 | CompareICStub(Isolate* isolate, Token::Value op, Strength strength, |
| 1585 | CompareICState::State left, CompareICState::State right, |
| 1586 | CompareICState::State state) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1587 | : PlatformCodeStub(isolate) { |
| 1588 | DCHECK(Token::IsCompareOp(op)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1589 | minor_key_ = OpBits::encode(op - Token::EQ) | |
| 1590 | StrengthBits::encode(is_strong(strength)) | |
| 1591 | LeftStateBits::encode(left) | RightStateBits::encode(right) | |
| 1592 | StateBits::encode(state); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1593 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1594 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1595 | void set_known_map(Handle<Map> map) { known_map_ = map; } |
| 1596 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1597 | InlineCacheState GetICState() const override; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1598 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1599 | Token::Value op() const { |
| 1600 | return static_cast<Token::Value>(Token::EQ + OpBits::decode(minor_key_)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1601 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1602 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1603 | Strength strength() const { |
| 1604 | return StrengthBits::decode(minor_key_) ? Strength::STRONG : Strength::WEAK; |
| 1605 | } |
| 1606 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1607 | CompareICState::State left() const { |
| 1608 | return LeftStateBits::decode(minor_key_); |
| 1609 | } |
| 1610 | CompareICState::State right() const { |
| 1611 | return RightStateBits::decode(minor_key_); |
| 1612 | } |
| 1613 | CompareICState::State state() const { return StateBits::decode(minor_key_); } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1614 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1615 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1616 | Code::Kind GetCodeKind() const override { return Code::COMPARE_IC; } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1617 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1618 | void GenerateBooleans(MacroAssembler* masm); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1619 | void GenerateSmis(MacroAssembler* masm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1620 | void GenerateNumbers(MacroAssembler* masm); |
| 1621 | void GenerateInternalizedStrings(MacroAssembler* masm); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1622 | void GenerateStrings(MacroAssembler* masm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1623 | void GenerateUniqueNames(MacroAssembler* masm); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1624 | void GenerateReceivers(MacroAssembler* masm); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1625 | void GenerateMiss(MacroAssembler* masm); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1626 | void GenerateKnownReceivers(MacroAssembler* masm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1627 | void GenerateGeneric(MacroAssembler* masm); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1628 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1629 | bool strict() const { return op() == Token::EQ_STRICT; } |
| 1630 | Condition GetCondition() const; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1631 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1632 | void AddToSpecialCache(Handle<Code> new_object) override; |
| 1633 | bool FindCodeInSpecialCache(Code** code_out) override; |
| 1634 | bool UseSpecialCache() override { |
| 1635 | return state() == CompareICState::KNOWN_RECEIVER; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1636 | } |
| 1637 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1638 | class OpBits : public BitField<int, 0, 3> {}; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1639 | class StrengthBits : public BitField<bool, 3, 1> {}; |
| 1640 | class LeftStateBits : public BitField<CompareICState::State, 4, 4> {}; |
| 1641 | class RightStateBits : public BitField<CompareICState::State, 8, 4> {}; |
| 1642 | class StateBits : public BitField<CompareICState::State, 12, 4> {}; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1643 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1644 | Handle<Map> known_map_; |
| 1645 | |
| 1646 | DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp); |
| 1647 | DEFINE_PLATFORM_CODE_STUB(CompareIC, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1648 | }; |
| 1649 | |
| 1650 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1651 | class CompareNilICStub : public HydrogenCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1652 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1653 | Type* GetType(Zone* zone, Handle<Map> map = Handle<Map>()); |
| 1654 | Type* GetInputType(Zone* zone, Handle<Map> map); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1655 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1656 | CompareNilICStub(Isolate* isolate, NilValue nil) : HydrogenCodeStub(isolate) { |
| 1657 | set_sub_minor_key(NilValueBits::encode(nil)); |
| 1658 | } |
| 1659 | |
| 1660 | CompareNilICStub(Isolate* isolate, ExtraICState ic_state, |
| 1661 | InitializationState init_state = INITIALIZED) |
| 1662 | : HydrogenCodeStub(isolate, init_state) { |
| 1663 | set_sub_minor_key(ic_state); |
| 1664 | } |
| 1665 | |
| 1666 | static Handle<Code> GetUninitialized(Isolate* isolate, |
| 1667 | NilValue nil) { |
| 1668 | return CompareNilICStub(isolate, nil, UNINITIALIZED).GetCode(); |
| 1669 | } |
| 1670 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1671 | InlineCacheState GetICState() const override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1672 | State state = this->state(); |
| 1673 | if (state.Contains(GENERIC)) { |
| 1674 | return MEGAMORPHIC; |
| 1675 | } else if (state.Contains(MONOMORPHIC_MAP)) { |
| 1676 | return MONOMORPHIC; |
| 1677 | } else { |
| 1678 | return PREMONOMORPHIC; |
| 1679 | } |
| 1680 | } |
| 1681 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1682 | Code::Kind GetCodeKind() const override { return Code::COMPARE_NIL_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1683 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1684 | ExtraICState GetExtraICState() const override { return sub_minor_key(); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1685 | |
| 1686 | void UpdateStatus(Handle<Object> object); |
| 1687 | |
| 1688 | bool IsMonomorphic() const { return state().Contains(MONOMORPHIC_MAP); } |
| 1689 | |
| 1690 | NilValue nil_value() const { return NilValueBits::decode(sub_minor_key()); } |
| 1691 | |
| 1692 | void ClearState() { |
| 1693 | set_sub_minor_key(TypesBits::update(sub_minor_key(), 0)); |
| 1694 | } |
| 1695 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1696 | void PrintState(std::ostream& os) const override; // NOLINT |
| 1697 | void PrintBaseName(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1698 | |
| 1699 | private: |
| 1700 | CompareNilICStub(Isolate* isolate, NilValue nil, |
| 1701 | InitializationState init_state) |
| 1702 | : HydrogenCodeStub(isolate, init_state) { |
| 1703 | set_sub_minor_key(NilValueBits::encode(nil)); |
| 1704 | } |
| 1705 | |
| 1706 | enum CompareNilType { |
| 1707 | UNDEFINED, |
| 1708 | NULL_TYPE, |
| 1709 | MONOMORPHIC_MAP, |
| 1710 | GENERIC, |
| 1711 | NUMBER_OF_TYPES |
| 1712 | }; |
| 1713 | |
| 1714 | // At most 6 different types can be distinguished, because the Code object |
| 1715 | // only has room for a single byte to hold a set and there are two more |
| 1716 | // boolean flags we need to store. :-P |
| 1717 | STATIC_ASSERT(NUMBER_OF_TYPES <= 6); |
| 1718 | |
| 1719 | class State : public EnumSet<CompareNilType, byte> { |
| 1720 | public: |
| 1721 | State() : EnumSet<CompareNilType, byte>(0) { } |
| 1722 | explicit State(byte bits) : EnumSet<CompareNilType, byte>(bits) { } |
| 1723 | }; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1724 | friend std::ostream& operator<<(std::ostream& os, const State& s); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1725 | |
| 1726 | State state() const { return State(TypesBits::decode(sub_minor_key())); } |
| 1727 | |
| 1728 | class NilValueBits : public BitField<NilValue, 0, 1> {}; |
| 1729 | class TypesBits : public BitField<byte, 1, NUMBER_OF_TYPES> {}; |
| 1730 | |
| 1731 | friend class CompareNilIC; |
| 1732 | |
| 1733 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CompareNil); |
| 1734 | DEFINE_HYDROGEN_CODE_STUB(CompareNilIC, HydrogenCodeStub); |
| 1735 | }; |
| 1736 | |
| 1737 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1738 | std::ostream& operator<<(std::ostream& os, const CompareNilICStub::State& s); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1739 | |
| 1740 | |
| 1741 | class CEntryStub : public PlatformCodeStub { |
| 1742 | public: |
| 1743 | CEntryStub(Isolate* isolate, int result_size, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1744 | SaveFPRegsMode save_doubles = kDontSaveFPRegs, |
| 1745 | ArgvMode argv_mode = kArgvOnStack) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1746 | : PlatformCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1747 | minor_key_ = SaveDoublesBits::encode(save_doubles == kSaveFPRegs) | |
| 1748 | ArgvMode::encode(argv_mode == kArgvInRegister); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1749 | DCHECK(result_size == 1 || result_size == 2); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1750 | #if _WIN64 || V8_TARGET_ARCH_PPC |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1751 | minor_key_ = ResultSizeBits::update(minor_key_, result_size); |
| 1752 | #endif // _WIN64 |
| 1753 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1754 | |
| 1755 | // The version of this stub that doesn't save doubles is generated ahead of |
| 1756 | // time, so it's OK to call it from other stubs that can't cope with GC during |
| 1757 | // their code generation. On machines that always have gp registers (x64) we |
| 1758 | // can generate both variants ahead of time. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1759 | static void GenerateAheadOfTime(Isolate* isolate); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1760 | |
| 1761 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1762 | bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1763 | bool argv_in_register() const { return ArgvMode::decode(minor_key_); } |
| 1764 | #if _WIN64 || V8_TARGET_ARCH_PPC |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1765 | int result_size() const { return ResultSizeBits::decode(minor_key_); } |
| 1766 | #endif // _WIN64 |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1767 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1768 | bool NeedsImmovableCode() override; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1769 | |
| 1770 | class SaveDoublesBits : public BitField<bool, 0, 1> {}; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1771 | class ArgvMode : public BitField<bool, 1, 1> {}; |
| 1772 | class ResultSizeBits : public BitField<int, 2, 3> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1773 | |
| 1774 | DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 1775 | DEFINE_PLATFORM_CODE_STUB(CEntry, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1776 | }; |
| 1777 | |
| 1778 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1779 | class JSEntryStub : public PlatformCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1780 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1781 | JSEntryStub(Isolate* isolate, StackFrame::Type type) |
| 1782 | : PlatformCodeStub(isolate) { |
| 1783 | DCHECK(type == StackFrame::ENTRY || type == StackFrame::ENTRY_CONSTRUCT); |
| 1784 | minor_key_ = StackFrameTypeBits::encode(type); |
| 1785 | } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1786 | |
| 1787 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1788 | void FinishCode(Handle<Code> code) override; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1789 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1790 | void PrintName(std::ostream& os) const override { // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1791 | os << (type() == StackFrame::ENTRY ? "JSEntryStub" |
| 1792 | : "JSConstructEntryStub"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1793 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1794 | |
| 1795 | StackFrame::Type type() const { |
| 1796 | return StackFrameTypeBits::decode(minor_key_); |
| 1797 | } |
| 1798 | |
| 1799 | class StackFrameTypeBits : public BitField<StackFrame::Type, 0, 5> {}; |
| 1800 | |
| 1801 | int handler_offset_; |
| 1802 | |
| 1803 | DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 1804 | DEFINE_PLATFORM_CODE_STUB(JSEntry, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1805 | }; |
| 1806 | |
| 1807 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1808 | class ArgumentsAccessStub: public PlatformCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1809 | public: |
| 1810 | enum Type { |
| 1811 | READ_ELEMENT, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1812 | NEW_SLOPPY_FAST, |
| 1813 | NEW_SLOPPY_SLOW, |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1814 | NEW_STRICT |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1815 | }; |
| 1816 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1817 | ArgumentsAccessStub(Isolate* isolate, Type type) : PlatformCodeStub(isolate) { |
| 1818 | minor_key_ = TypeBits::encode(type); |
| 1819 | } |
| 1820 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1821 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1822 | if (type() == READ_ELEMENT) { |
| 1823 | return ArgumentsAccessReadDescriptor(isolate()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1824 | } else { |
| 1825 | return ArgumentsAccessNewDescriptor(isolate()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1826 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1827 | } |
| 1828 | |
| 1829 | static Type ComputeType(bool is_unmapped, bool has_duplicate_parameters) { |
| 1830 | if (is_unmapped) { |
| 1831 | return Type::NEW_STRICT; |
| 1832 | } else if (has_duplicate_parameters) { |
| 1833 | return Type::NEW_SLOPPY_SLOW; |
| 1834 | } else { |
| 1835 | return Type::NEW_SLOPPY_FAST; |
| 1836 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1837 | } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1838 | |
| 1839 | private: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1840 | Type type() const { return TypeBits::decode(minor_key_); } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1841 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1842 | void GenerateReadElement(MacroAssembler* masm); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1843 | void GenerateNewStrict(MacroAssembler* masm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1844 | void GenerateNewSloppyFast(MacroAssembler* masm); |
| 1845 | void GenerateNewSloppySlow(MacroAssembler* masm); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1846 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1847 | void PrintName(std::ostream& os) const override; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1848 | |
| 1849 | class TypeBits : public BitField<Type, 0, 2> {}; |
| 1850 | |
| 1851 | DEFINE_PLATFORM_CODE_STUB(ArgumentsAccess, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1852 | }; |
| 1853 | |
| 1854 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1855 | class RestParamAccessStub : public PlatformCodeStub { |
| 1856 | public: |
| 1857 | explicit RestParamAccessStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 1858 | |
| 1859 | private: |
| 1860 | void GenerateNew(MacroAssembler* masm); |
| 1861 | |
| 1862 | void PrintName(std::ostream& os) const override; // NOLINT |
| 1863 | |
| 1864 | DEFINE_CALL_INTERFACE_DESCRIPTOR(RestParamAccess); |
| 1865 | DEFINE_PLATFORM_CODE_STUB(RestParamAccess, PlatformCodeStub); |
| 1866 | }; |
| 1867 | |
| 1868 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1869 | class RegExpExecStub: public PlatformCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1870 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1871 | explicit RegExpExecStub(Isolate* isolate) : PlatformCodeStub(isolate) { } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1872 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1873 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ContextOnly); |
| 1874 | DEFINE_PLATFORM_CODE_STUB(RegExpExec, PlatformCodeStub); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1875 | }; |
| 1876 | |
| 1877 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1878 | class RegExpConstructResultStub final : public HydrogenCodeStub { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1879 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1880 | explicit RegExpConstructResultStub(Isolate* isolate) |
| 1881 | : HydrogenCodeStub(isolate) { } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1882 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1883 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 1884 | static const int kLength = 0; |
| 1885 | static const int kIndex = 1; |
| 1886 | static const int kInput = 2; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1887 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1888 | DEFINE_CALL_INTERFACE_DESCRIPTOR(RegExpConstructResult); |
| 1889 | DEFINE_HYDROGEN_CODE_STUB(RegExpConstructResult, HydrogenCodeStub); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1890 | }; |
| 1891 | |
| 1892 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1893 | // TODO(bmeurer/mvstanton): Turn CallConstructStub into ConstructICStub. |
| 1894 | class CallConstructStub final : public PlatformCodeStub { |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1895 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1896 | explicit CallConstructStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1897 | |
| 1898 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CallConstruct); |
| 1899 | DEFINE_PLATFORM_CODE_STUB(CallConstruct, PlatformCodeStub); |
Ben Murdoch | 5d4cdbf | 2012-04-11 10:23:59 +0100 | [diff] [blame] | 1900 | }; |
| 1901 | |
| 1902 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1903 | enum StringIndexFlags { |
| 1904 | // Accepts smis or heap numbers. |
| 1905 | STRING_INDEX_IS_NUMBER, |
| 1906 | |
| 1907 | // Accepts smis or heap numbers that are valid array indices |
| 1908 | // (ECMA-262 15.4). Invalid indices are reported as being out of |
| 1909 | // range. |
| 1910 | STRING_INDEX_IS_ARRAY_INDEX |
| 1911 | }; |
| 1912 | |
| 1913 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1914 | enum ReceiverCheckMode { |
| 1915 | // We don't know anything about the receiver. |
| 1916 | RECEIVER_IS_UNKNOWN, |
| 1917 | |
| 1918 | // We know the receiver is a string. |
| 1919 | RECEIVER_IS_STRING |
| 1920 | }; |
| 1921 | |
| 1922 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1923 | enum EmbedMode { |
| 1924 | // The code being generated is part of an IC handler, which may MISS |
| 1925 | // to an IC in failure cases. |
| 1926 | PART_OF_IC_HANDLER, |
| 1927 | |
| 1928 | NOT_PART_OF_IC_HANDLER |
| 1929 | }; |
| 1930 | |
| 1931 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1932 | // Generates code implementing String.prototype.charCodeAt. |
| 1933 | // |
| 1934 | // Only supports the case when the receiver is a string and the index |
| 1935 | // is a number (smi or heap number) that is a valid index into the |
| 1936 | // string. Additional index constraints are specified by the |
| 1937 | // flags. Otherwise, bails out to the provided labels. |
| 1938 | // |
| 1939 | // Register usage: |object| may be changed to another string in a way |
| 1940 | // that doesn't affect charCodeAt/charAt semantics, |index| is |
| 1941 | // preserved, |scratch| and |result| are clobbered. |
| 1942 | class StringCharCodeAtGenerator { |
| 1943 | public: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1944 | StringCharCodeAtGenerator(Register object, Register index, Register result, |
| 1945 | Label* receiver_not_string, Label* index_not_number, |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1946 | Label* index_out_of_range, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1947 | StringIndexFlags index_flags, |
| 1948 | ReceiverCheckMode check_mode = RECEIVER_IS_UNKNOWN) |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1949 | : object_(object), |
| 1950 | index_(index), |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1951 | result_(result), |
| 1952 | receiver_not_string_(receiver_not_string), |
| 1953 | index_not_number_(index_not_number), |
| 1954 | index_out_of_range_(index_out_of_range), |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1955 | index_flags_(index_flags), |
| 1956 | check_mode_(check_mode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1957 | DCHECK(!result_.is(object_)); |
| 1958 | DCHECK(!result_.is(index_)); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1959 | } |
| 1960 | |
| 1961 | // Generates the fast case code. On the fallthrough path |result| |
| 1962 | // register contains the result. |
| 1963 | void GenerateFast(MacroAssembler* masm); |
| 1964 | |
| 1965 | // Generates the slow case code. Must not be naturally |
| 1966 | // reachable. Expected to be put after a ret instruction (e.g., in |
| 1967 | // deferred code). Always jumps back to the fast case. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1968 | void GenerateSlow(MacroAssembler* masm, EmbedMode embed_mode, |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1969 | const RuntimeCallHelper& call_helper); |
| 1970 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1971 | // Skip handling slow case and directly jump to bailout. |
| 1972 | void SkipSlow(MacroAssembler* masm, Label* bailout) { |
| 1973 | masm->bind(&index_not_smi_); |
| 1974 | masm->bind(&call_runtime_); |
| 1975 | masm->jmp(bailout); |
| 1976 | } |
| 1977 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1978 | private: |
| 1979 | Register object_; |
| 1980 | Register index_; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1981 | Register result_; |
| 1982 | |
| 1983 | Label* receiver_not_string_; |
| 1984 | Label* index_not_number_; |
| 1985 | Label* index_out_of_range_; |
| 1986 | |
| 1987 | StringIndexFlags index_flags_; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1988 | ReceiverCheckMode check_mode_; |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 1989 | |
| 1990 | Label call_runtime_; |
| 1991 | Label index_not_smi_; |
| 1992 | Label got_smi_index_; |
| 1993 | Label exit_; |
| 1994 | |
| 1995 | DISALLOW_COPY_AND_ASSIGN(StringCharCodeAtGenerator); |
| 1996 | }; |
| 1997 | |
| 1998 | |
| 1999 | // Generates code for creating a one-char string from a char code. |
| 2000 | class StringCharFromCodeGenerator { |
| 2001 | public: |
| 2002 | StringCharFromCodeGenerator(Register code, |
| 2003 | Register result) |
| 2004 | : code_(code), |
| 2005 | result_(result) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2006 | DCHECK(!code_.is(result_)); |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 2007 | } |
| 2008 | |
| 2009 | // Generates the fast case code. On the fallthrough path |result| |
| 2010 | // register contains the result. |
| 2011 | void GenerateFast(MacroAssembler* masm); |
| 2012 | |
| 2013 | // Generates the slow case code. Must not be naturally |
| 2014 | // reachable. Expected to be put after a ret instruction (e.g., in |
| 2015 | // deferred code). Always jumps back to the fast case. |
| 2016 | void GenerateSlow(MacroAssembler* masm, |
| 2017 | const RuntimeCallHelper& call_helper); |
| 2018 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2019 | // Skip handling slow case and directly jump to bailout. |
| 2020 | void SkipSlow(MacroAssembler* masm, Label* bailout) { |
| 2021 | masm->bind(&slow_case_); |
| 2022 | masm->jmp(bailout); |
| 2023 | } |
| 2024 | |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 2025 | private: |
| 2026 | Register code_; |
| 2027 | Register result_; |
| 2028 | |
| 2029 | Label slow_case_; |
| 2030 | Label exit_; |
| 2031 | |
| 2032 | DISALLOW_COPY_AND_ASSIGN(StringCharFromCodeGenerator); |
| 2033 | }; |
| 2034 | |
| 2035 | |
| 2036 | // Generates code implementing String.prototype.charAt. |
| 2037 | // |
| 2038 | // Only supports the case when the receiver is a string and the index |
| 2039 | // is a number (smi or heap number) that is a valid index into the |
| 2040 | // string. Additional index constraints are specified by the |
| 2041 | // flags. Otherwise, bails out to the provided labels. |
| 2042 | // |
| 2043 | // Register usage: |object| may be changed to another string in a way |
| 2044 | // that doesn't affect charCodeAt/charAt semantics, |index| is |
| 2045 | // preserved, |scratch1|, |scratch2|, and |result| are clobbered. |
| 2046 | class StringCharAtGenerator { |
| 2047 | public: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2048 | StringCharAtGenerator(Register object, Register index, Register scratch, |
| 2049 | Register result, Label* receiver_not_string, |
| 2050 | Label* index_not_number, Label* index_out_of_range, |
| 2051 | StringIndexFlags index_flags, |
| 2052 | ReceiverCheckMode check_mode = RECEIVER_IS_UNKNOWN) |
| 2053 | : char_code_at_generator_(object, index, scratch, receiver_not_string, |
| 2054 | index_not_number, index_out_of_range, |
| 2055 | index_flags, check_mode), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2056 | char_from_code_generator_(scratch, result) {} |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 2057 | |
| 2058 | // Generates the fast case code. On the fallthrough path |result| |
| 2059 | // register contains the result. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2060 | void GenerateFast(MacroAssembler* masm) { |
| 2061 | char_code_at_generator_.GenerateFast(masm); |
| 2062 | char_from_code_generator_.GenerateFast(masm); |
| 2063 | } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 2064 | |
| 2065 | // Generates the slow case code. Must not be naturally |
| 2066 | // reachable. Expected to be put after a ret instruction (e.g., in |
| 2067 | // deferred code). Always jumps back to the fast case. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2068 | void GenerateSlow(MacroAssembler* masm, EmbedMode embed_mode, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2069 | const RuntimeCallHelper& call_helper) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2070 | char_code_at_generator_.GenerateSlow(masm, embed_mode, call_helper); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2071 | char_from_code_generator_.GenerateSlow(masm, call_helper); |
| 2072 | } |
| 2073 | |
| 2074 | // Skip handling slow case and directly jump to bailout. |
| 2075 | void SkipSlow(MacroAssembler* masm, Label* bailout) { |
| 2076 | char_code_at_generator_.SkipSlow(masm, bailout); |
| 2077 | char_from_code_generator_.SkipSlow(masm, bailout); |
| 2078 | } |
Kristian Monsen | 80d68ea | 2010-09-08 11:05:35 +0100 | [diff] [blame] | 2079 | |
| 2080 | private: |
| 2081 | StringCharCodeAtGenerator char_code_at_generator_; |
| 2082 | StringCharFromCodeGenerator char_from_code_generator_; |
| 2083 | |
| 2084 | DISALLOW_COPY_AND_ASSIGN(StringCharAtGenerator); |
| 2085 | }; |
| 2086 | |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 2087 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2088 | class LoadDictionaryElementStub : public HydrogenCodeStub { |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 2089 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2090 | explicit LoadDictionaryElementStub(Isolate* isolate, const LoadICState& state) |
| 2091 | : HydrogenCodeStub(isolate) { |
| 2092 | minor_key_ = state.GetExtraICState(); |
| 2093 | } |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 2094 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2095 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
| 2096 | return LoadWithVectorDescriptor(isolate()); |
| 2097 | } |
| 2098 | |
| 2099 | LanguageMode language_mode() const { |
| 2100 | return LoadICState::GetLanguageMode(MinorKey()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2101 | } |
| 2102 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2103 | DEFINE_HYDROGEN_CODE_STUB(LoadDictionaryElement, HydrogenCodeStub); |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 2104 | }; |
| 2105 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2106 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2107 | class KeyedLoadGenericStub : public HydrogenCodeStub { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2108 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2109 | explicit KeyedLoadGenericStub(Isolate* isolate, const LoadICState& state) |
| 2110 | : HydrogenCodeStub(isolate) { |
| 2111 | minor_key_ = state.GetExtraICState(); |
| 2112 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2113 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2114 | Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; } |
| 2115 | InlineCacheState GetICState() const override { return GENERIC; } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2116 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2117 | LanguageMode language_mode() const { |
| 2118 | return LoadICState::GetLanguageMode(MinorKey()); |
| 2119 | } |
| 2120 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2121 | DEFINE_CALL_INTERFACE_DESCRIPTOR(Load); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2122 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2123 | DEFINE_HYDROGEN_CODE_STUB(KeyedLoadGeneric, HydrogenCodeStub); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2124 | }; |
| 2125 | |
| 2126 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2127 | class LoadICTrampolineStub : public PlatformCodeStub { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2128 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2129 | LoadICTrampolineStub(Isolate* isolate, const LoadICState& state) |
| 2130 | : PlatformCodeStub(isolate) { |
| 2131 | minor_key_ = state.GetExtraICState(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2132 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2133 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2134 | Code::Kind GetCodeKind() const override { return Code::LOAD_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2135 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2136 | InlineCacheState GetICState() const final { return GENERIC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2137 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2138 | ExtraICState GetExtraICState() const final { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2139 | return static_cast<ExtraICState>(minor_key_); |
| 2140 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2141 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2142 | protected: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2143 | LoadICState state() const { |
| 2144 | return LoadICState(static_cast<ExtraICState>(minor_key_)); |
| 2145 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2146 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2147 | DEFINE_CALL_INTERFACE_DESCRIPTOR(Load); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2148 | DEFINE_PLATFORM_CODE_STUB(LoadICTrampoline, PlatformCodeStub); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2149 | }; |
| 2150 | |
| 2151 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2152 | class KeyedLoadICTrampolineStub : public LoadICTrampolineStub { |
| 2153 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2154 | explicit KeyedLoadICTrampolineStub(Isolate* isolate, const LoadICState& state) |
| 2155 | : LoadICTrampolineStub(isolate, state) {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2156 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2157 | Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2158 | |
| 2159 | DEFINE_PLATFORM_CODE_STUB(KeyedLoadICTrampoline, LoadICTrampolineStub); |
| 2160 | }; |
| 2161 | |
| 2162 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2163 | class VectorStoreICTrampolineStub : public PlatformCodeStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2164 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2165 | VectorStoreICTrampolineStub(Isolate* isolate, const StoreICState& state) |
| 2166 | : PlatformCodeStub(isolate) { |
| 2167 | minor_key_ = state.GetExtraICState(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2168 | } |
| 2169 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2170 | Code::Kind GetCodeKind() const override { return Code::STORE_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2171 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2172 | InlineCacheState GetICState() const final { return GENERIC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2173 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2174 | ExtraICState GetExtraICState() const final { |
| 2175 | return static_cast<ExtraICState>(minor_key_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2176 | } |
| 2177 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2178 | protected: |
| 2179 | StoreICState state() const { |
| 2180 | return StoreICState(static_cast<ExtraICState>(minor_key_)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2181 | } |
| 2182 | |
| 2183 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2184 | DEFINE_CALL_INTERFACE_DESCRIPTOR(VectorStoreICTrampoline); |
| 2185 | DEFINE_PLATFORM_CODE_STUB(VectorStoreICTrampoline, PlatformCodeStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2186 | }; |
| 2187 | |
| 2188 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2189 | class VectorKeyedStoreICTrampolineStub : public VectorStoreICTrampolineStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2190 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2191 | VectorKeyedStoreICTrampolineStub(Isolate* isolate, const StoreICState& state) |
| 2192 | : VectorStoreICTrampolineStub(isolate, state) {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2193 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2194 | Code::Kind GetCodeKind() const override { return Code::KEYED_STORE_IC; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2195 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2196 | DEFINE_PLATFORM_CODE_STUB(VectorKeyedStoreICTrampoline, |
| 2197 | VectorStoreICTrampolineStub); |
| 2198 | }; |
| 2199 | |
| 2200 | |
| 2201 | class CallICTrampolineStub : public PlatformCodeStub { |
| 2202 | public: |
| 2203 | CallICTrampolineStub(Isolate* isolate, const CallICState& state) |
| 2204 | : PlatformCodeStub(isolate) { |
| 2205 | minor_key_ = state.GetExtraICState(); |
| 2206 | } |
| 2207 | |
| 2208 | Code::Kind GetCodeKind() const override { return Code::CALL_IC; } |
| 2209 | |
| 2210 | InlineCacheState GetICState() const final { return GENERIC; } |
| 2211 | |
| 2212 | ExtraICState GetExtraICState() const final { |
| 2213 | return static_cast<ExtraICState>(minor_key_); |
| 2214 | } |
| 2215 | |
| 2216 | protected: |
| 2217 | CallICState state() const { |
| 2218 | return CallICState(static_cast<ExtraICState>(minor_key_)); |
| 2219 | } |
| 2220 | |
| 2221 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CallFunctionWithFeedback); |
| 2222 | DEFINE_PLATFORM_CODE_STUB(CallICTrampoline, PlatformCodeStub); |
| 2223 | }; |
| 2224 | |
| 2225 | |
| 2226 | class LoadICStub : public PlatformCodeStub { |
| 2227 | public: |
| 2228 | explicit LoadICStub(Isolate* isolate, const LoadICState& state) |
| 2229 | : PlatformCodeStub(isolate) { |
| 2230 | minor_key_ = state.GetExtraICState(); |
| 2231 | } |
| 2232 | |
| 2233 | void GenerateForTrampoline(MacroAssembler* masm); |
| 2234 | |
| 2235 | Code::Kind GetCodeKind() const override { return Code::LOAD_IC; } |
| 2236 | InlineCacheState GetICState() const final { return GENERIC; } |
| 2237 | ExtraICState GetExtraICState() const final { |
| 2238 | return static_cast<ExtraICState>(minor_key_); |
| 2239 | } |
| 2240 | |
| 2241 | DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector); |
| 2242 | DEFINE_PLATFORM_CODE_STUB(LoadIC, PlatformCodeStub); |
| 2243 | |
| 2244 | protected: |
| 2245 | void GenerateImpl(MacroAssembler* masm, bool in_frame); |
| 2246 | }; |
| 2247 | |
| 2248 | |
| 2249 | class KeyedLoadICStub : public PlatformCodeStub { |
| 2250 | public: |
| 2251 | explicit KeyedLoadICStub(Isolate* isolate, const LoadICState& state) |
| 2252 | : PlatformCodeStub(isolate) { |
| 2253 | minor_key_ = state.GetExtraICState(); |
| 2254 | } |
| 2255 | |
| 2256 | void GenerateForTrampoline(MacroAssembler* masm); |
| 2257 | |
| 2258 | Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; } |
| 2259 | InlineCacheState GetICState() const final { return GENERIC; } |
| 2260 | ExtraICState GetExtraICState() const final { |
| 2261 | return static_cast<ExtraICState>(minor_key_); |
| 2262 | } |
| 2263 | |
| 2264 | DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector); |
| 2265 | DEFINE_PLATFORM_CODE_STUB(KeyedLoadIC, PlatformCodeStub); |
| 2266 | |
| 2267 | protected: |
| 2268 | void GenerateImpl(MacroAssembler* masm, bool in_frame); |
| 2269 | }; |
| 2270 | |
| 2271 | |
| 2272 | class VectorStoreICStub : public PlatformCodeStub { |
| 2273 | public: |
| 2274 | VectorStoreICStub(Isolate* isolate, const StoreICState& state) |
| 2275 | : PlatformCodeStub(isolate) { |
| 2276 | minor_key_ = state.GetExtraICState(); |
| 2277 | } |
| 2278 | |
| 2279 | void GenerateForTrampoline(MacroAssembler* masm); |
| 2280 | |
| 2281 | Code::Kind GetCodeKind() const final { return Code::STORE_IC; } |
| 2282 | InlineCacheState GetICState() const final { return GENERIC; } |
| 2283 | ExtraICState GetExtraICState() const final { |
| 2284 | return static_cast<ExtraICState>(minor_key_); |
| 2285 | } |
| 2286 | |
| 2287 | DEFINE_CALL_INTERFACE_DESCRIPTOR(VectorStoreIC); |
| 2288 | DEFINE_PLATFORM_CODE_STUB(VectorStoreIC, PlatformCodeStub); |
| 2289 | |
| 2290 | protected: |
| 2291 | void GenerateImpl(MacroAssembler* masm, bool in_frame); |
| 2292 | }; |
| 2293 | |
| 2294 | |
| 2295 | class VectorKeyedStoreICStub : public PlatformCodeStub { |
| 2296 | public: |
| 2297 | VectorKeyedStoreICStub(Isolate* isolate, const StoreICState& state) |
| 2298 | : PlatformCodeStub(isolate) { |
| 2299 | minor_key_ = state.GetExtraICState(); |
| 2300 | } |
| 2301 | |
| 2302 | void GenerateForTrampoline(MacroAssembler* masm); |
| 2303 | |
| 2304 | Code::Kind GetCodeKind() const final { return Code::KEYED_STORE_IC; } |
| 2305 | InlineCacheState GetICState() const final { return GENERIC; } |
| 2306 | ExtraICState GetExtraICState() const final { |
| 2307 | return static_cast<ExtraICState>(minor_key_); |
| 2308 | } |
| 2309 | |
| 2310 | DEFINE_CALL_INTERFACE_DESCRIPTOR(VectorStoreIC); |
| 2311 | DEFINE_PLATFORM_CODE_STUB(VectorKeyedStoreIC, PlatformCodeStub); |
| 2312 | |
| 2313 | protected: |
| 2314 | void GenerateImpl(MacroAssembler* masm, bool in_frame); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2315 | }; |
| 2316 | |
| 2317 | |
| 2318 | class DoubleToIStub : public PlatformCodeStub { |
| 2319 | public: |
| 2320 | DoubleToIStub(Isolate* isolate, Register source, Register destination, |
| 2321 | int offset, bool is_truncating, bool skip_fastpath = false) |
| 2322 | : PlatformCodeStub(isolate) { |
| 2323 | minor_key_ = SourceRegisterBits::encode(source.code()) | |
| 2324 | DestinationRegisterBits::encode(destination.code()) | |
| 2325 | OffsetBits::encode(offset) | |
| 2326 | IsTruncatingBits::encode(is_truncating) | |
| 2327 | SkipFastPathBits::encode(skip_fastpath) | |
| 2328 | SSE3Bits::encode(CpuFeatures::IsSupported(SSE3) ? 1 : 0); |
| 2329 | } |
| 2330 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2331 | bool SometimesSetsUpAFrame() override { return false; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2332 | |
| 2333 | private: |
| 2334 | Register source() const { |
| 2335 | return Register::from_code(SourceRegisterBits::decode(minor_key_)); |
| 2336 | } |
| 2337 | Register destination() const { |
| 2338 | return Register::from_code(DestinationRegisterBits::decode(minor_key_)); |
| 2339 | } |
| 2340 | bool is_truncating() const { return IsTruncatingBits::decode(minor_key_); } |
| 2341 | bool skip_fastpath() const { return SkipFastPathBits::decode(minor_key_); } |
| 2342 | int offset() const { return OffsetBits::decode(minor_key_); } |
| 2343 | |
| 2344 | static const int kBitsPerRegisterNumber = 6; |
| 2345 | STATIC_ASSERT((1L << kBitsPerRegisterNumber) >= Register::kNumRegisters); |
| 2346 | class SourceRegisterBits: |
| 2347 | public BitField<int, 0, kBitsPerRegisterNumber> {}; // NOLINT |
| 2348 | class DestinationRegisterBits: |
| 2349 | public BitField<int, kBitsPerRegisterNumber, |
| 2350 | kBitsPerRegisterNumber> {}; // NOLINT |
| 2351 | class IsTruncatingBits: |
| 2352 | public BitField<bool, 2 * kBitsPerRegisterNumber, 1> {}; // NOLINT |
| 2353 | class OffsetBits: |
| 2354 | public BitField<int, 2 * kBitsPerRegisterNumber + 1, 3> {}; // NOLINT |
| 2355 | class SkipFastPathBits: |
| 2356 | public BitField<int, 2 * kBitsPerRegisterNumber + 4, 1> {}; // NOLINT |
| 2357 | class SSE3Bits: |
| 2358 | public BitField<int, 2 * kBitsPerRegisterNumber + 5, 1> {}; // NOLINT |
| 2359 | |
| 2360 | DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 2361 | DEFINE_PLATFORM_CODE_STUB(DoubleToI, PlatformCodeStub); |
| 2362 | }; |
| 2363 | |
| 2364 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2365 | class ScriptContextFieldStub : public HandlerStub { |
| 2366 | public: |
| 2367 | ScriptContextFieldStub(Isolate* isolate, |
| 2368 | const ScriptContextTable::LookupResult* lookup_result) |
| 2369 | : HandlerStub(isolate) { |
| 2370 | DCHECK(Accepted(lookup_result)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2371 | STATIC_ASSERT(kContextIndexBits + kSlotIndexBits <= kSubMinorKeyBits); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2372 | set_sub_minor_key(ContextIndexBits::encode(lookup_result->context_index) | |
| 2373 | SlotIndexBits::encode(lookup_result->slot_index)); |
| 2374 | } |
| 2375 | |
| 2376 | int context_index() const { |
| 2377 | return ContextIndexBits::decode(sub_minor_key()); |
| 2378 | } |
| 2379 | |
| 2380 | int slot_index() const { return SlotIndexBits::decode(sub_minor_key()); } |
| 2381 | |
| 2382 | static bool Accepted(const ScriptContextTable::LookupResult* lookup_result) { |
| 2383 | return ContextIndexBits::is_valid(lookup_result->context_index) && |
| 2384 | SlotIndexBits::is_valid(lookup_result->slot_index); |
| 2385 | } |
| 2386 | |
| 2387 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2388 | static const int kContextIndexBits = 9; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2389 | static const int kSlotIndexBits = 13; |
| 2390 | class ContextIndexBits : public BitField<int, 0, kContextIndexBits> {}; |
| 2391 | class SlotIndexBits |
| 2392 | : public BitField<int, kContextIndexBits, kSlotIndexBits> {}; |
| 2393 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2394 | Code::StubType GetStubType() const override { return Code::FAST; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2395 | |
| 2396 | DEFINE_CODE_STUB_BASE(ScriptContextFieldStub, HandlerStub); |
| 2397 | }; |
| 2398 | |
| 2399 | |
| 2400 | class LoadScriptContextFieldStub : public ScriptContextFieldStub { |
| 2401 | public: |
| 2402 | LoadScriptContextFieldStub( |
| 2403 | Isolate* isolate, const ScriptContextTable::LookupResult* lookup_result) |
| 2404 | : ScriptContextFieldStub(isolate, lookup_result) {} |
| 2405 | |
| 2406 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2407 | Code::Kind kind() const override { return Code::LOAD_IC; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2408 | |
| 2409 | DEFINE_HANDLER_CODE_STUB(LoadScriptContextField, ScriptContextFieldStub); |
| 2410 | }; |
| 2411 | |
| 2412 | |
| 2413 | class StoreScriptContextFieldStub : public ScriptContextFieldStub { |
| 2414 | public: |
| 2415 | StoreScriptContextFieldStub( |
| 2416 | Isolate* isolate, const ScriptContextTable::LookupResult* lookup_result) |
| 2417 | : ScriptContextFieldStub(isolate, lookup_result) {} |
| 2418 | |
| 2419 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2420 | Code::Kind kind() const override { return Code::STORE_IC; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2421 | |
| 2422 | DEFINE_HANDLER_CODE_STUB(StoreScriptContextField, ScriptContextFieldStub); |
| 2423 | }; |
| 2424 | |
| 2425 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2426 | class LoadFastElementStub : public HandlerStub { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2427 | public: |
| 2428 | LoadFastElementStub(Isolate* isolate, bool is_js_array, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2429 | ElementsKind elements_kind, |
| 2430 | bool convert_hole_to_undefined = false) |
| 2431 | : HandlerStub(isolate) { |
| 2432 | set_sub_minor_key( |
| 2433 | ElementsKindBits::encode(elements_kind) | |
| 2434 | IsJSArrayBits::encode(is_js_array) | |
| 2435 | CanConvertHoleToUndefined::encode(convert_hole_to_undefined)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2436 | } |
| 2437 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2438 | Code::Kind kind() const override { return Code::KEYED_LOAD_IC; } |
| 2439 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2440 | bool is_js_array() const { return IsJSArrayBits::decode(sub_minor_key()); } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2441 | bool convert_hole_to_undefined() const { |
| 2442 | return CanConvertHoleToUndefined::decode(sub_minor_key()); |
| 2443 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2444 | |
| 2445 | ElementsKind elements_kind() const { |
| 2446 | return ElementsKindBits::decode(sub_minor_key()); |
| 2447 | } |
| 2448 | |
| 2449 | private: |
| 2450 | class ElementsKindBits: public BitField<ElementsKind, 0, 8> {}; |
| 2451 | class IsJSArrayBits: public BitField<bool, 8, 1> {}; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2452 | class CanConvertHoleToUndefined : public BitField<bool, 9, 1> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2453 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2454 | DEFINE_HANDLER_CODE_STUB(LoadFastElement, HandlerStub); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2455 | }; |
| 2456 | |
| 2457 | |
| 2458 | class StoreFastElementStub : public HydrogenCodeStub { |
| 2459 | public: |
| 2460 | StoreFastElementStub(Isolate* isolate, bool is_js_array, |
| 2461 | ElementsKind elements_kind, KeyedAccessStoreMode mode) |
| 2462 | : HydrogenCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2463 | set_sub_minor_key(CommonStoreModeBits::encode(mode) | |
| 2464 | ElementsKindBits::encode(elements_kind) | |
| 2465 | IsJSArrayBits::encode(is_js_array)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2466 | } |
| 2467 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2468 | static void GenerateAheadOfTime(Isolate* isolate); |
| 2469 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2470 | bool is_js_array() const { return IsJSArrayBits::decode(sub_minor_key()); } |
| 2471 | |
| 2472 | ElementsKind elements_kind() const { |
| 2473 | return ElementsKindBits::decode(sub_minor_key()); |
| 2474 | } |
| 2475 | |
| 2476 | KeyedAccessStoreMode store_mode() const { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2477 | return CommonStoreModeBits::decode(sub_minor_key()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2478 | } |
| 2479 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2480 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
| 2481 | return VectorStoreICDescriptor(isolate()); |
| 2482 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2483 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2484 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 2485 | |
| 2486 | private: |
| 2487 | class ElementsKindBits : public BitField<ElementsKind, 3, 8> {}; |
| 2488 | class IsJSArrayBits : public BitField<bool, 11, 1> {}; |
| 2489 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2490 | DEFINE_HYDROGEN_CODE_STUB(StoreFastElement, HydrogenCodeStub); |
| 2491 | }; |
| 2492 | |
| 2493 | |
| 2494 | class TransitionElementsKindStub : public HydrogenCodeStub { |
| 2495 | public: |
| 2496 | TransitionElementsKindStub(Isolate* isolate, |
| 2497 | ElementsKind from_kind, |
| 2498 | ElementsKind to_kind, |
| 2499 | bool is_js_array) : HydrogenCodeStub(isolate) { |
| 2500 | set_sub_minor_key(FromKindBits::encode(from_kind) | |
| 2501 | ToKindBits::encode(to_kind) | |
| 2502 | IsJSArrayBits::encode(is_js_array)); |
| 2503 | } |
| 2504 | |
| 2505 | ElementsKind from_kind() const { |
| 2506 | return FromKindBits::decode(sub_minor_key()); |
| 2507 | } |
| 2508 | |
| 2509 | ElementsKind to_kind() const { return ToKindBits::decode(sub_minor_key()); } |
| 2510 | |
| 2511 | bool is_js_array() const { return IsJSArrayBits::decode(sub_minor_key()); } |
| 2512 | |
| 2513 | private: |
| 2514 | class FromKindBits: public BitField<ElementsKind, 8, 8> {}; |
| 2515 | class ToKindBits: public BitField<ElementsKind, 0, 8> {}; |
| 2516 | class IsJSArrayBits: public BitField<bool, 16, 1> {}; |
| 2517 | |
| 2518 | DEFINE_CALL_INTERFACE_DESCRIPTOR(TransitionElementsKind); |
| 2519 | DEFINE_HYDROGEN_CODE_STUB(TransitionElementsKind, HydrogenCodeStub); |
| 2520 | }; |
| 2521 | |
| 2522 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2523 | class AllocateHeapNumberStub final : public HydrogenCodeStub { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2524 | public: |
| 2525 | explicit AllocateHeapNumberStub(Isolate* isolate) |
| 2526 | : HydrogenCodeStub(isolate) {} |
| 2527 | |
| 2528 | private: |
| 2529 | DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateHeapNumber); |
| 2530 | DEFINE_HYDROGEN_CODE_STUB(AllocateHeapNumber, HydrogenCodeStub); |
| 2531 | }; |
| 2532 | |
| 2533 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2534 | class AllocateMutableHeapNumberStub final : public HydrogenCodeStub { |
| 2535 | public: |
| 2536 | explicit AllocateMutableHeapNumberStub(Isolate* isolate) |
| 2537 | : HydrogenCodeStub(isolate) {} |
| 2538 | |
| 2539 | private: |
| 2540 | DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateMutableHeapNumber); |
| 2541 | DEFINE_HYDROGEN_CODE_STUB(AllocateMutableHeapNumber, HydrogenCodeStub); |
| 2542 | }; |
| 2543 | |
| 2544 | |
| 2545 | class AllocateInNewSpaceStub final : public HydrogenCodeStub { |
| 2546 | public: |
| 2547 | explicit AllocateInNewSpaceStub(Isolate* isolate) |
| 2548 | : HydrogenCodeStub(isolate) {} |
| 2549 | |
| 2550 | private: |
| 2551 | DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateInNewSpace); |
| 2552 | DEFINE_HYDROGEN_CODE_STUB(AllocateInNewSpace, HydrogenCodeStub); |
| 2553 | }; |
| 2554 | |
| 2555 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2556 | class ArrayConstructorStubBase : public HydrogenCodeStub { |
| 2557 | public: |
| 2558 | ArrayConstructorStubBase(Isolate* isolate, |
| 2559 | ElementsKind kind, |
| 2560 | AllocationSiteOverrideMode override_mode) |
| 2561 | : HydrogenCodeStub(isolate) { |
| 2562 | // It only makes sense to override local allocation site behavior |
| 2563 | // if there is a difference between the global allocation site policy |
| 2564 | // for an ElementsKind and the desired usage of the stub. |
| 2565 | DCHECK(override_mode != DISABLE_ALLOCATION_SITES || |
| 2566 | AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE); |
| 2567 | set_sub_minor_key(ElementsKindBits::encode(kind) | |
| 2568 | AllocationSiteOverrideModeBits::encode(override_mode)); |
| 2569 | } |
| 2570 | |
| 2571 | ElementsKind elements_kind() const { |
| 2572 | return ElementsKindBits::decode(sub_minor_key()); |
| 2573 | } |
| 2574 | |
| 2575 | AllocationSiteOverrideMode override_mode() const { |
| 2576 | return AllocationSiteOverrideModeBits::decode(sub_minor_key()); |
| 2577 | } |
| 2578 | |
| 2579 | static void GenerateStubsAheadOfTime(Isolate* isolate); |
| 2580 | |
| 2581 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 2582 | static const int kConstructor = 0; |
| 2583 | static const int kAllocationSite = 1; |
| 2584 | |
| 2585 | protected: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2586 | std::ostream& BasePrintName(std::ostream& os, |
| 2587 | const char* name) const; // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2588 | |
| 2589 | private: |
| 2590 | // Ensure data fits within available bits. |
| 2591 | STATIC_ASSERT(LAST_ALLOCATION_SITE_OVERRIDE_MODE == 1); |
| 2592 | |
| 2593 | class ElementsKindBits: public BitField<ElementsKind, 0, 8> {}; |
| 2594 | class AllocationSiteOverrideModeBits: public |
| 2595 | BitField<AllocationSiteOverrideMode, 8, 1> {}; // NOLINT |
| 2596 | |
| 2597 | DEFINE_CODE_STUB_BASE(ArrayConstructorStubBase, HydrogenCodeStub); |
| 2598 | }; |
| 2599 | |
| 2600 | |
| 2601 | class ArrayNoArgumentConstructorStub : public ArrayConstructorStubBase { |
| 2602 | public: |
| 2603 | ArrayNoArgumentConstructorStub( |
| 2604 | Isolate* isolate, |
| 2605 | ElementsKind kind, |
| 2606 | AllocationSiteOverrideMode override_mode = DONT_OVERRIDE) |
| 2607 | : ArrayConstructorStubBase(isolate, kind, override_mode) { |
| 2608 | } |
| 2609 | |
| 2610 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2611 | void PrintName(std::ostream& os) const override { // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2612 | BasePrintName(os, "ArrayNoArgumentConstructorStub"); |
| 2613 | } |
| 2614 | |
| 2615 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ArrayConstructorConstantArgCount); |
| 2616 | DEFINE_HYDROGEN_CODE_STUB(ArrayNoArgumentConstructor, |
| 2617 | ArrayConstructorStubBase); |
| 2618 | }; |
| 2619 | |
| 2620 | |
| 2621 | class ArraySingleArgumentConstructorStub : public ArrayConstructorStubBase { |
| 2622 | public: |
| 2623 | ArraySingleArgumentConstructorStub( |
| 2624 | Isolate* isolate, |
| 2625 | ElementsKind kind, |
| 2626 | AllocationSiteOverrideMode override_mode = DONT_OVERRIDE) |
| 2627 | : ArrayConstructorStubBase(isolate, kind, override_mode) { |
| 2628 | } |
| 2629 | |
| 2630 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2631 | void PrintName(std::ostream& os) const override { // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2632 | BasePrintName(os, "ArraySingleArgumentConstructorStub"); |
| 2633 | } |
| 2634 | |
| 2635 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ArrayConstructor); |
| 2636 | DEFINE_HYDROGEN_CODE_STUB(ArraySingleArgumentConstructor, |
| 2637 | ArrayConstructorStubBase); |
| 2638 | }; |
| 2639 | |
| 2640 | |
| 2641 | class ArrayNArgumentsConstructorStub : public ArrayConstructorStubBase { |
| 2642 | public: |
| 2643 | ArrayNArgumentsConstructorStub( |
| 2644 | Isolate* isolate, |
| 2645 | ElementsKind kind, |
| 2646 | AllocationSiteOverrideMode override_mode = DONT_OVERRIDE) |
| 2647 | : ArrayConstructorStubBase(isolate, kind, override_mode) { |
| 2648 | } |
| 2649 | |
| 2650 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2651 | void PrintName(std::ostream& os) const override { // NOLINT |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2652 | BasePrintName(os, "ArrayNArgumentsConstructorStub"); |
| 2653 | } |
| 2654 | |
| 2655 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ArrayConstructor); |
| 2656 | DEFINE_HYDROGEN_CODE_STUB(ArrayNArgumentsConstructor, |
| 2657 | ArrayConstructorStubBase); |
| 2658 | }; |
| 2659 | |
| 2660 | |
| 2661 | class InternalArrayConstructorStubBase : public HydrogenCodeStub { |
| 2662 | public: |
| 2663 | InternalArrayConstructorStubBase(Isolate* isolate, ElementsKind kind) |
| 2664 | : HydrogenCodeStub(isolate) { |
| 2665 | set_sub_minor_key(ElementsKindBits::encode(kind)); |
| 2666 | } |
| 2667 | |
| 2668 | static void GenerateStubsAheadOfTime(Isolate* isolate); |
| 2669 | |
| 2670 | // Parameters accessed via CodeStubGraphBuilder::GetParameter() |
| 2671 | static const int kConstructor = 0; |
| 2672 | |
| 2673 | ElementsKind elements_kind() const { |
| 2674 | return ElementsKindBits::decode(sub_minor_key()); |
| 2675 | } |
| 2676 | |
| 2677 | private: |
| 2678 | class ElementsKindBits : public BitField<ElementsKind, 0, 8> {}; |
| 2679 | |
| 2680 | DEFINE_CODE_STUB_BASE(InternalArrayConstructorStubBase, HydrogenCodeStub); |
| 2681 | }; |
| 2682 | |
| 2683 | |
| 2684 | class InternalArrayNoArgumentConstructorStub : public |
| 2685 | InternalArrayConstructorStubBase { |
| 2686 | public: |
| 2687 | InternalArrayNoArgumentConstructorStub(Isolate* isolate, |
| 2688 | ElementsKind kind) |
| 2689 | : InternalArrayConstructorStubBase(isolate, kind) { } |
| 2690 | |
| 2691 | DEFINE_CALL_INTERFACE_DESCRIPTOR(InternalArrayConstructorConstantArgCount); |
| 2692 | DEFINE_HYDROGEN_CODE_STUB(InternalArrayNoArgumentConstructor, |
| 2693 | InternalArrayConstructorStubBase); |
| 2694 | }; |
| 2695 | |
| 2696 | |
| 2697 | class InternalArraySingleArgumentConstructorStub : public |
| 2698 | InternalArrayConstructorStubBase { |
| 2699 | public: |
| 2700 | InternalArraySingleArgumentConstructorStub(Isolate* isolate, |
| 2701 | ElementsKind kind) |
| 2702 | : InternalArrayConstructorStubBase(isolate, kind) { } |
| 2703 | |
| 2704 | DEFINE_CALL_INTERFACE_DESCRIPTOR(InternalArrayConstructor); |
| 2705 | DEFINE_HYDROGEN_CODE_STUB(InternalArraySingleArgumentConstructor, |
| 2706 | InternalArrayConstructorStubBase); |
| 2707 | }; |
| 2708 | |
| 2709 | |
| 2710 | class InternalArrayNArgumentsConstructorStub : public |
| 2711 | InternalArrayConstructorStubBase { |
| 2712 | public: |
| 2713 | InternalArrayNArgumentsConstructorStub(Isolate* isolate, ElementsKind kind) |
| 2714 | : InternalArrayConstructorStubBase(isolate, kind) { } |
| 2715 | |
| 2716 | DEFINE_CALL_INTERFACE_DESCRIPTOR(InternalArrayConstructor); |
| 2717 | DEFINE_HYDROGEN_CODE_STUB(InternalArrayNArgumentsConstructor, |
| 2718 | InternalArrayConstructorStubBase); |
| 2719 | }; |
| 2720 | |
| 2721 | |
| 2722 | class StoreElementStub : public PlatformCodeStub { |
| 2723 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2724 | StoreElementStub(Isolate* isolate, ElementsKind elements_kind, |
| 2725 | KeyedAccessStoreMode mode) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2726 | : PlatformCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2727 | minor_key_ = ElementsKindBits::encode(elements_kind) | |
| 2728 | CommonStoreModeBits::encode(mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2729 | } |
| 2730 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2731 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { |
| 2732 | return VectorStoreICDescriptor(isolate()); |
| 2733 | } |
| 2734 | |
| 2735 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
| 2736 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2737 | private: |
| 2738 | ElementsKind elements_kind() const { |
| 2739 | return ElementsKindBits::decode(minor_key_); |
| 2740 | } |
| 2741 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2742 | class ElementsKindBits : public BitField<ElementsKind, 3, 8> {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2743 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2744 | DEFINE_PLATFORM_CODE_STUB(StoreElement, PlatformCodeStub); |
| 2745 | }; |
| 2746 | |
| 2747 | |
| 2748 | class ToBooleanStub: public HydrogenCodeStub { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2749 | public: |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2750 | enum Type { |
| 2751 | UNDEFINED, |
| 2752 | BOOLEAN, |
| 2753 | NULL_TYPE, |
| 2754 | SMI, |
| 2755 | SPEC_OBJECT, |
| 2756 | STRING, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2757 | SYMBOL, |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2758 | HEAP_NUMBER, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2759 | SIMD_VALUE, |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2760 | NUMBER_OF_TYPES |
| 2761 | }; |
| 2762 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2763 | // At most 16 different types can be distinguished, because the Code object |
| 2764 | // only has room for two bytes to hold a set of these types. :-P |
| 2765 | STATIC_ASSERT(NUMBER_OF_TYPES <= 16); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2766 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2767 | class Types : public EnumSet<Type, uint16_t> { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2768 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2769 | Types() : EnumSet<Type, uint16_t>(0) {} |
| 2770 | explicit Types(uint16_t bits) : EnumSet<Type, uint16_t>(bits) {} |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2771 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2772 | bool UpdateStatus(Handle<Object> object); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2773 | bool NeedsMap() const; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2774 | bool CanBeUndetectable() const { |
| 2775 | return Contains(ToBooleanStub::SPEC_OBJECT); |
| 2776 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2777 | bool IsGeneric() const { return ToIntegral() == Generic().ToIntegral(); } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2778 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2779 | static Types Generic() { return Types((1 << NUMBER_OF_TYPES) - 1); } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2780 | }; |
| 2781 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2782 | ToBooleanStub(Isolate* isolate, ExtraICState state) |
| 2783 | : HydrogenCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2784 | set_sub_minor_key(TypesBits::encode(static_cast<uint16_t>(state))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2785 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2786 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2787 | bool UpdateStatus(Handle<Object> object); |
| 2788 | Types types() const { return Types(TypesBits::decode(sub_minor_key())); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2789 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2790 | Code::Kind GetCodeKind() const override { return Code::TO_BOOLEAN_IC; } |
| 2791 | void PrintState(std::ostream& os) const override; // NOLINT |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2792 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2793 | bool SometimesSetsUpAFrame() override { return false; } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2794 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2795 | static Handle<Code> GetUninitialized(Isolate* isolate) { |
| 2796 | return ToBooleanStub(isolate, UNINITIALIZED).GetCode(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2797 | } |
| 2798 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2799 | ExtraICState GetExtraICState() const override { return types().ToIntegral(); } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2800 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2801 | InlineCacheState GetICState() const override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2802 | if (types().IsEmpty()) { |
| 2803 | return ::v8::internal::UNINITIALIZED; |
| 2804 | } else { |
| 2805 | return MONOMORPHIC; |
| 2806 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2807 | } |
| 2808 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2809 | private: |
| 2810 | ToBooleanStub(Isolate* isolate, InitializationState init_state) |
| 2811 | : HydrogenCodeStub(isolate, init_state) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2812 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2813 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2814 | class TypesBits : public BitField<uint16_t, 0, NUMBER_OF_TYPES> {}; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2815 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2816 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ToBoolean); |
| 2817 | DEFINE_HYDROGEN_CODE_STUB(ToBoolean, HydrogenCodeStub); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2818 | }; |
| 2819 | |
| 2820 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2821 | std::ostream& operator<<(std::ostream& os, const ToBooleanStub::Types& t); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2822 | |
| 2823 | |
| 2824 | class ElementsTransitionAndStoreStub : public HydrogenCodeStub { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2825 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2826 | ElementsTransitionAndStoreStub(Isolate* isolate, ElementsKind from_kind, |
| 2827 | ElementsKind to_kind, bool is_jsarray, |
| 2828 | KeyedAccessStoreMode store_mode) |
| 2829 | : HydrogenCodeStub(isolate) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2830 | set_sub_minor_key(CommonStoreModeBits::encode(store_mode) | |
| 2831 | FromBits::encode(from_kind) | ToBits::encode(to_kind) | |
| 2832 | IsJSArrayBits::encode(is_jsarray)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2833 | } |
| 2834 | |
| 2835 | ElementsKind from_kind() const { return FromBits::decode(sub_minor_key()); } |
| 2836 | ElementsKind to_kind() const { return ToBits::decode(sub_minor_key()); } |
| 2837 | bool is_jsarray() const { return IsJSArrayBits::decode(sub_minor_key()); } |
| 2838 | KeyedAccessStoreMode store_mode() const { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2839 | return CommonStoreModeBits::decode(sub_minor_key()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2840 | } |
| 2841 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2842 | CallInterfaceDescriptor GetCallInterfaceDescriptor() const override; |
| 2843 | Code::Kind GetCodeKind() const override { return Code::HANDLER; } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2844 | |
| 2845 | private: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2846 | class FromBits : public BitField<ElementsKind, 3, 8> {}; |
| 2847 | class ToBits : public BitField<ElementsKind, 11, 8> {}; |
| 2848 | class IsJSArrayBits : public BitField<bool, 19, 1> {}; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2849 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2850 | DEFINE_HYDROGEN_CODE_STUB(ElementsTransitionAndStore, HydrogenCodeStub); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2851 | }; |
| 2852 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2853 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2854 | class StubFailureTrampolineStub : public PlatformCodeStub { |
| 2855 | public: |
| 2856 | StubFailureTrampolineStub(Isolate* isolate, StubFunctionMode function_mode) |
| 2857 | : PlatformCodeStub(isolate) { |
| 2858 | minor_key_ = FunctionModeField::encode(function_mode); |
| 2859 | } |
| 2860 | |
| 2861 | static void GenerateAheadOfTime(Isolate* isolate); |
| 2862 | |
| 2863 | private: |
| 2864 | StubFunctionMode function_mode() const { |
| 2865 | return FunctionModeField::decode(minor_key_); |
| 2866 | } |
| 2867 | |
| 2868 | class FunctionModeField : public BitField<StubFunctionMode, 0, 1> {}; |
| 2869 | |
| 2870 | DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 2871 | DEFINE_PLATFORM_CODE_STUB(StubFailureTrampoline, PlatformCodeStub); |
| 2872 | }; |
| 2873 | |
| 2874 | |
| 2875 | class ProfileEntryHookStub : public PlatformCodeStub { |
| 2876 | public: |
| 2877 | explicit ProfileEntryHookStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2878 | |
| 2879 | // The profile entry hook function is not allowed to cause a GC. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2880 | bool SometimesSetsUpAFrame() override { return false; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2881 | |
| 2882 | // Generates a call to the entry hook if it's enabled. |
| 2883 | static void MaybeCallEntryHook(MacroAssembler* masm); |
| 2884 | |
| 2885 | private: |
| 2886 | static void EntryHookTrampoline(intptr_t function, |
| 2887 | intptr_t stack_pointer, |
| 2888 | Isolate* isolate); |
| 2889 | |
| 2890 | // ProfileEntryHookStub is called at the start of a function, so it has the |
| 2891 | // same register set. |
| 2892 | DEFINE_CALL_INTERFACE_DESCRIPTOR(CallFunction) |
| 2893 | DEFINE_PLATFORM_CODE_STUB(ProfileEntryHook, PlatformCodeStub); |
| 2894 | }; |
| 2895 | |
| 2896 | |
| 2897 | class StoreBufferOverflowStub : public PlatformCodeStub { |
| 2898 | public: |
| 2899 | StoreBufferOverflowStub(Isolate* isolate, SaveFPRegsMode save_fp) |
| 2900 | : PlatformCodeStub(isolate) { |
| 2901 | minor_key_ = SaveDoublesBits::encode(save_fp == kSaveFPRegs); |
| 2902 | } |
| 2903 | |
| 2904 | static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2905 | bool SometimesSetsUpAFrame() override { return false; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2906 | |
| 2907 | private: |
| 2908 | bool save_doubles() const { return SaveDoublesBits::decode(minor_key_); } |
| 2909 | |
| 2910 | class SaveDoublesBits : public BitField<bool, 0, 1> {}; |
| 2911 | |
| 2912 | DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR(); |
| 2913 | DEFINE_PLATFORM_CODE_STUB(StoreBufferOverflow, PlatformCodeStub); |
| 2914 | }; |
| 2915 | |
| 2916 | |
| 2917 | class SubStringStub : public PlatformCodeStub { |
| 2918 | public: |
| 2919 | explicit SubStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2920 | |
| 2921 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ContextOnly); |
| 2922 | DEFINE_PLATFORM_CODE_STUB(SubString, PlatformCodeStub); |
| 2923 | }; |
| 2924 | |
| 2925 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2926 | class ToNumberStub final : public PlatformCodeStub { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2927 | public: |
| 2928 | explicit ToNumberStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2929 | |
| 2930 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ToNumber); |
| 2931 | DEFINE_PLATFORM_CODE_STUB(ToNumber, PlatformCodeStub); |
| 2932 | }; |
| 2933 | |
| 2934 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2935 | class ToLengthStub final : public PlatformCodeStub { |
| 2936 | public: |
| 2937 | explicit ToLengthStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2938 | |
| 2939 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ToLength); |
| 2940 | DEFINE_PLATFORM_CODE_STUB(ToLength, PlatformCodeStub); |
| 2941 | }; |
| 2942 | |
| 2943 | |
| 2944 | class ToStringStub final : public PlatformCodeStub { |
| 2945 | public: |
| 2946 | explicit ToStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2947 | |
| 2948 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ToString); |
| 2949 | DEFINE_PLATFORM_CODE_STUB(ToString, PlatformCodeStub); |
| 2950 | }; |
| 2951 | |
| 2952 | |
| 2953 | class ToObjectStub final : public HydrogenCodeStub { |
| 2954 | public: |
| 2955 | explicit ToObjectStub(Isolate* isolate) : HydrogenCodeStub(isolate) {} |
| 2956 | |
| 2957 | DEFINE_CALL_INTERFACE_DESCRIPTOR(ToObject); |
| 2958 | DEFINE_HYDROGEN_CODE_STUB(ToObject, HydrogenCodeStub); |
| 2959 | }; |
| 2960 | |
| 2961 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2962 | class StringCompareStub : public PlatformCodeStub { |
| 2963 | public: |
| 2964 | explicit StringCompareStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
| 2965 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2966 | DEFINE_CALL_INTERFACE_DESCRIPTOR(StringCompare); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2967 | DEFINE_PLATFORM_CODE_STUB(StringCompare, PlatformCodeStub); |
| 2968 | }; |
| 2969 | |
| 2970 | |
| 2971 | #undef DEFINE_CALL_INTERFACE_DESCRIPTOR |
| 2972 | #undef DEFINE_PLATFORM_CODE_STUB |
| 2973 | #undef DEFINE_HANDLER_CODE_STUB |
| 2974 | #undef DEFINE_HYDROGEN_CODE_STUB |
| 2975 | #undef DEFINE_CODE_STUB |
| 2976 | #undef DEFINE_CODE_STUB_BASE |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2977 | |
| 2978 | extern Representation RepresentationFromType(Type* type); |
| 2979 | |
| 2980 | } // namespace internal |
| 2981 | } // namespace v8 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2982 | |
| 2983 | #endif // V8_CODE_STUBS_H_ |