jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
jkummerow@chromium.org | 93a47f4 | 2013-07-02 14:43:41 +0000 | [diff] [blame] | 30 | #if V8_TARGET_ARCH_MIPS |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 31 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 32 | #include "ic-inl.h" |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 33 | #include "codegen.h" |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 34 | #include "stub-cache.h" |
| 35 | |
| 36 | namespace v8 { |
| 37 | namespace internal { |
| 38 | |
| 39 | #define __ ACCESS_MASM(masm) |
| 40 | |
| 41 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 42 | static void ProbeTable(Isolate* isolate, |
| 43 | MacroAssembler* masm, |
| 44 | Code::Flags flags, |
| 45 | StubCache::Table table, |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 46 | Register receiver, |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 47 | Register name, |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 48 | // Number of the cache entry, not scaled. |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 49 | Register offset, |
| 50 | Register scratch, |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 51 | Register scratch2, |
| 52 | Register offset_scratch) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 53 | ExternalReference key_offset(isolate->stub_cache()->key_reference(table)); |
| 54 | ExternalReference value_offset(isolate->stub_cache()->value_reference(table)); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 55 | ExternalReference map_offset(isolate->stub_cache()->map_reference(table)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 56 | |
| 57 | uint32_t key_off_addr = reinterpret_cast<uint32_t>(key_offset.address()); |
| 58 | uint32_t value_off_addr = reinterpret_cast<uint32_t>(value_offset.address()); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 59 | uint32_t map_off_addr = reinterpret_cast<uint32_t>(map_offset.address()); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 60 | |
| 61 | // Check the relative positions of the address fields. |
| 62 | ASSERT(value_off_addr > key_off_addr); |
| 63 | ASSERT((value_off_addr - key_off_addr) % 4 == 0); |
| 64 | ASSERT((value_off_addr - key_off_addr) < (256 * 4)); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 65 | ASSERT(map_off_addr > key_off_addr); |
| 66 | ASSERT((map_off_addr - key_off_addr) % 4 == 0); |
| 67 | ASSERT((map_off_addr - key_off_addr) < (256 * 4)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 68 | |
| 69 | Label miss; |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 70 | Register base_addr = scratch; |
| 71 | scratch = no_reg; |
| 72 | |
| 73 | // Multiply by 3 because there are 3 fields per entry (name, code, map). |
| 74 | __ sll(offset_scratch, offset, 1); |
| 75 | __ Addu(offset_scratch, offset_scratch, offset); |
| 76 | |
| 77 | // Calculate the base address of the entry. |
| 78 | __ li(base_addr, Operand(key_offset)); |
| 79 | __ sll(at, offset_scratch, kPointerSizeLog2); |
| 80 | __ Addu(base_addr, base_addr, at); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 81 | |
| 82 | // Check that the key in the entry matches the name. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 83 | __ lw(at, MemOperand(base_addr, 0)); |
| 84 | __ Branch(&miss, ne, name, Operand(at)); |
| 85 | |
| 86 | // Check the map matches. |
| 87 | __ lw(at, MemOperand(base_addr, map_off_addr - key_off_addr)); |
| 88 | __ lw(scratch2, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 89 | __ Branch(&miss, ne, at, Operand(scratch2)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 90 | |
| 91 | // Get the code entry from the cache. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 92 | Register code = scratch2; |
| 93 | scratch2 = no_reg; |
| 94 | __ lw(code, MemOperand(base_addr, value_off_addr - key_off_addr)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 95 | |
| 96 | // Check that the flags match what we're looking for. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 97 | Register flags_reg = base_addr; |
| 98 | base_addr = no_reg; |
| 99 | __ lw(flags_reg, FieldMemOperand(code, Code::kFlagsOffset)); |
| 100 | __ And(flags_reg, flags_reg, Operand(~Code::kFlagsNotUsedInLookup)); |
| 101 | __ Branch(&miss, ne, flags_reg, Operand(flags)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 102 | |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 103 | #ifdef DEBUG |
| 104 | if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) { |
| 105 | __ jmp(&miss); |
| 106 | } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) { |
| 107 | __ jmp(&miss); |
| 108 | } |
| 109 | #endif |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 110 | |
| 111 | // Jump to the first instruction in the code stub. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 112 | __ Addu(at, code, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 113 | __ Jump(at); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 114 | |
| 115 | // Miss: fall through. |
| 116 | __ bind(&miss); |
| 117 | } |
| 118 | |
| 119 | |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 120 | void StubCompiler::GenerateDictionaryNegativeLookup(MacroAssembler* masm, |
| 121 | Label* miss_label, |
| 122 | Register receiver, |
| 123 | Handle<Name> name, |
| 124 | Register scratch0, |
| 125 | Register scratch1) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 126 | ASSERT(name->IsUniqueName()); |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 127 | ASSERT(!receiver.is(scratch0)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 128 | Counters* counters = masm->isolate()->counters(); |
| 129 | __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1); |
| 130 | __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
| 131 | |
| 132 | Label done; |
| 133 | |
| 134 | const int kInterceptorOrAccessCheckNeededMask = |
| 135 | (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
| 136 | |
| 137 | // Bail out if the receiver has a named interceptor or requires access checks. |
| 138 | Register map = scratch1; |
| 139 | __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 140 | __ lbu(scratch0, FieldMemOperand(map, Map::kBitFieldOffset)); |
| 141 | __ And(scratch0, scratch0, Operand(kInterceptorOrAccessCheckNeededMask)); |
| 142 | __ Branch(miss_label, ne, scratch0, Operand(zero_reg)); |
| 143 | |
| 144 | // Check that receiver is a JSObject. |
| 145 | __ lbu(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset)); |
| 146 | __ Branch(miss_label, lt, scratch0, Operand(FIRST_SPEC_OBJECT_TYPE)); |
| 147 | |
| 148 | // Load properties array. |
| 149 | Register properties = scratch0; |
| 150 | __ lw(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
| 151 | // Check that the properties array is a dictionary. |
| 152 | __ lw(map, FieldMemOperand(properties, HeapObject::kMapOffset)); |
| 153 | Register tmp = properties; |
| 154 | __ LoadRoot(tmp, Heap::kHashTableMapRootIndex); |
| 155 | __ Branch(miss_label, ne, map, Operand(tmp)); |
| 156 | |
| 157 | // Restore the temporarily used register. |
| 158 | __ lw(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
| 159 | |
| 160 | |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 161 | NameDictionaryLookupStub::GenerateNegativeLookup(masm, |
| 162 | miss_label, |
| 163 | &done, |
| 164 | receiver, |
| 165 | properties, |
| 166 | name, |
| 167 | scratch1); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 168 | __ bind(&done); |
| 169 | __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
| 170 | } |
| 171 | |
| 172 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 173 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 174 | Code::Flags flags, |
| 175 | Register receiver, |
| 176 | Register name, |
| 177 | Register scratch, |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 178 | Register extra, |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 179 | Register extra2, |
| 180 | Register extra3) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 181 | Isolate* isolate = masm->isolate(); |
| 182 | Label miss; |
| 183 | |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 184 | // Make sure that code is valid. The multiplying code relies on the |
| 185 | // entry size being 12. |
| 186 | ASSERT(sizeof(Entry) == 12); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 187 | |
| 188 | // Make sure the flags does not name a specific type. |
| 189 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 190 | |
| 191 | // Make sure that there are no register conflicts. |
| 192 | ASSERT(!scratch.is(receiver)); |
| 193 | ASSERT(!scratch.is(name)); |
| 194 | ASSERT(!extra.is(receiver)); |
| 195 | ASSERT(!extra.is(name)); |
| 196 | ASSERT(!extra.is(scratch)); |
| 197 | ASSERT(!extra2.is(receiver)); |
| 198 | ASSERT(!extra2.is(name)); |
| 199 | ASSERT(!extra2.is(scratch)); |
| 200 | ASSERT(!extra2.is(extra)); |
| 201 | |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 202 | // Check register validity. |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 203 | ASSERT(!scratch.is(no_reg)); |
| 204 | ASSERT(!extra.is(no_reg)); |
| 205 | ASSERT(!extra2.is(no_reg)); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 206 | ASSERT(!extra3.is(no_reg)); |
| 207 | |
| 208 | Counters* counters = masm->isolate()->counters(); |
| 209 | __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1, |
| 210 | extra2, extra3); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 211 | |
| 212 | // Check that the receiver isn't a smi. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 213 | __ JumpIfSmi(receiver, &miss); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 214 | |
| 215 | // Get the map of the receiver and compute the hash. |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 216 | __ lw(scratch, FieldMemOperand(name, Name::kHashFieldOffset)); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 217 | __ lw(at, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 218 | __ Addu(scratch, scratch, at); |
| 219 | uint32_t mask = kPrimaryTableSize - 1; |
| 220 | // We shift out the last two bits because they are not part of the hash and |
| 221 | // they are always 01 for maps. |
| 222 | __ srl(scratch, scratch, kHeapObjectTagSize); |
| 223 | __ Xor(scratch, scratch, Operand((flags >> kHeapObjectTagSize) & mask)); |
| 224 | __ And(scratch, scratch, Operand(mask)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 225 | |
| 226 | // Probe the primary table. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 227 | ProbeTable(isolate, |
| 228 | masm, |
| 229 | flags, |
| 230 | kPrimary, |
| 231 | receiver, |
| 232 | name, |
| 233 | scratch, |
| 234 | extra, |
| 235 | extra2, |
| 236 | extra3); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 237 | |
| 238 | // Primary miss: Compute hash for secondary probe. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 239 | __ srl(at, name, kHeapObjectTagSize); |
| 240 | __ Subu(scratch, scratch, at); |
| 241 | uint32_t mask2 = kSecondaryTableSize - 1; |
| 242 | __ Addu(scratch, scratch, Operand((flags >> kHeapObjectTagSize) & mask2)); |
| 243 | __ And(scratch, scratch, Operand(mask2)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 244 | |
| 245 | // Probe the secondary table. |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 246 | ProbeTable(isolate, |
| 247 | masm, |
| 248 | flags, |
| 249 | kSecondary, |
| 250 | receiver, |
| 251 | name, |
| 252 | scratch, |
| 253 | extra, |
| 254 | extra2, |
| 255 | extra3); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 256 | |
| 257 | // Cache miss: Fall-through and let caller handle the miss by |
| 258 | // entering the runtime system. |
| 259 | __ bind(&miss); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 260 | __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, |
| 261 | extra2, extra3); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | |
| 265 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 266 | int index, |
| 267 | Register prototype) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 268 | // Load the global or builtins object from the current context. |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 269 | __ lw(prototype, |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 270 | MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| 271 | // Load the native context from the global or builtins object. |
| 272 | __ lw(prototype, |
| 273 | FieldMemOperand(prototype, GlobalObject::kNativeContextOffset)); |
| 274 | // Load the function from the native context. |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 275 | __ lw(prototype, MemOperand(prototype, Context::SlotOffset(index))); |
| 276 | // Load the initial map. The global functions all have initial maps. |
| 277 | __ lw(prototype, |
| 278 | FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
| 279 | // Load the prototype from the initial map. |
| 280 | __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 284 | void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 285 | MacroAssembler* masm, |
| 286 | int index, |
| 287 | Register prototype, |
| 288 | Label* miss) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 289 | Isolate* isolate = masm->isolate(); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 290 | // Get the global function with the given index. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 291 | Handle<JSFunction> function( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 292 | JSFunction::cast(isolate->native_context()->get(index))); |
machenbach@chromium.org | 57a54ac | 2014-01-31 14:01:53 +0000 | [diff] [blame] | 293 | |
| 294 | // Check we're still in the same context. |
| 295 | Register scratch = prototype; |
| 296 | const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX); |
| 297 | __ lw(scratch, MemOperand(cp, offset)); |
| 298 | __ lw(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); |
| 299 | __ lw(scratch, MemOperand(scratch, Context::SlotOffset(index))); |
| 300 | __ li(at, function); |
| 301 | __ Branch(miss, ne, at, Operand(scratch)); |
| 302 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 303 | // Load its initial map. The global functions all have initial maps. |
| 304 | __ li(prototype, Handle<Map>(function->initial_map())); |
| 305 | // Load the prototype from the initial map. |
| 306 | __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 307 | } |
| 308 | |
| 309 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 310 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
| 311 | Register dst, |
| 312 | Register src, |
| 313 | bool inobject, |
| 314 | int index, |
| 315 | Representation representation) { |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 316 | ASSERT(!representation.IsDouble()); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 317 | int offset = index * kPointerSize; |
| 318 | if (!inobject) { |
| 319 | // Calculate the offset into the properties array. |
| 320 | offset = offset + FixedArray::kHeaderSize; |
| 321 | __ lw(dst, FieldMemOperand(src, JSObject::kPropertiesOffset)); |
| 322 | src = dst; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 323 | } |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 324 | __ lw(dst, FieldMemOperand(src, offset)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | |
| 328 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 329 | Register receiver, |
| 330 | Register scratch, |
| 331 | Label* miss_label) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 332 | // Check that the receiver isn't a smi. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 333 | __ JumpIfSmi(receiver, miss_label); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 334 | |
| 335 | // Check that the object is a JS array. |
| 336 | __ GetObjectType(receiver, scratch, scratch); |
| 337 | __ Branch(miss_label, ne, scratch, Operand(JS_ARRAY_TYPE)); |
| 338 | |
| 339 | // Load length directly from the JS array. |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 340 | __ Ret(USE_DELAY_SLOT); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 341 | __ lw(v0, FieldMemOperand(receiver, JSArray::kLengthOffset)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 345 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 346 | Register receiver, |
| 347 | Register scratch1, |
| 348 | Register scratch2, |
| 349 | Label* miss_label) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 350 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 351 | __ Ret(USE_DELAY_SLOT); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 352 | __ mov(v0, scratch1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 356 | void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm, |
| 357 | Handle<JSGlobalObject> global, |
| 358 | Handle<Name> name, |
| 359 | Register scratch, |
| 360 | Label* miss) { |
| 361 | Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 362 | ASSERT(cell->value()->IsTheHole()); |
| 363 | __ li(scratch, Operand(cell)); |
danno@chromium.org | f95d4b9 | 2013-06-13 14:40:17 +0000 | [diff] [blame] | 364 | __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 365 | __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
| 366 | __ Branch(miss, ne, scratch, Operand(at)); |
| 367 | } |
| 368 | |
| 369 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 370 | void StoreStubCompiler::GenerateNegativeHolderLookup( |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 371 | MacroAssembler* masm, |
| 372 | Handle<JSObject> holder, |
| 373 | Register holder_reg, |
| 374 | Handle<Name> name, |
| 375 | Label* miss) { |
| 376 | if (holder->IsJSGlobalObject()) { |
| 377 | GenerateCheckPropertyCell( |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 378 | masm, Handle<JSGlobalObject>::cast(holder), name, scratch1(), miss); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 379 | } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { |
| 380 | GenerateDictionaryNegativeLookup( |
| 381 | masm, miss, holder_reg, name, scratch1(), scratch2()); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 386 | // Generate StoreTransition code, value is passed in a0 register. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 387 | // After executing generated code, the receiver_reg and name_reg |
| 388 | // may be clobbered. |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 389 | void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm, |
| 390 | Handle<JSObject> object, |
| 391 | LookupResult* lookup, |
| 392 | Handle<Map> transition, |
| 393 | Handle<Name> name, |
| 394 | Register receiver_reg, |
| 395 | Register storage_reg, |
| 396 | Register value_reg, |
| 397 | Register scratch1, |
| 398 | Register scratch2, |
| 399 | Register scratch3, |
| 400 | Label* miss_label, |
| 401 | Label* slow) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 402 | // a0 : value. |
| 403 | Label exit; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 404 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 405 | int descriptor = transition->LastAdded(); |
| 406 | DescriptorArray* descriptors = transition->instance_descriptors(); |
| 407 | PropertyDetails details = descriptors->GetDetails(descriptor); |
| 408 | Representation representation = details.representation(); |
| 409 | ASSERT(!representation.IsNone()); |
| 410 | |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 411 | if (details.type() == CONSTANT) { |
| 412 | Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate()); |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 413 | __ li(scratch1, constant); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 414 | __ Branch(miss_label, ne, value_reg, Operand(scratch1)); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 415 | } else if (representation.IsSmi()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 416 | __ JumpIfNotSmi(value_reg, miss_label); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 417 | } else if (representation.IsHeapObject()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 418 | __ JumpIfSmi(value_reg, miss_label); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 419 | } else if (representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 420 | Label do_store, heap_number; |
| 421 | __ LoadRoot(scratch3, Heap::kHeapNumberMapRootIndex); |
| 422 | __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow); |
| 423 | |
| 424 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 425 | __ SmiUntag(scratch1, value_reg); |
| 426 | __ mtc1(scratch1, f6); |
| 427 | __ cvt_d_w(f4, f6); |
| 428 | __ jmp(&do_store); |
| 429 | |
| 430 | __ bind(&heap_number); |
| 431 | __ CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex, |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 432 | miss_label, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 433 | __ ldc1(f4, FieldMemOperand(value_reg, HeapNumber::kValueOffset)); |
| 434 | |
| 435 | __ bind(&do_store); |
| 436 | __ sdc1(f4, FieldMemOperand(storage_reg, HeapNumber::kValueOffset)); |
| 437 | } |
| 438 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 439 | // Stub never generated for non-global objects that require access |
| 440 | // checks. |
| 441 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 442 | |
| 443 | // Perform map transition for the receiver if necessary. |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 444 | if (details.type() == FIELD && |
| 445 | object->map()->unused_property_fields() == 0) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 446 | // The properties must be extended before we can store the value. |
| 447 | // We jump to a runtime call that extends the properties array. |
| 448 | __ push(receiver_reg); |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 449 | __ li(a2, Operand(transition)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 450 | __ Push(a2, a0); |
| 451 | __ TailCallExternalReference( |
| 452 | ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), |
| 453 | masm->isolate()), |
| 454 | 3, 1); |
| 455 | return; |
| 456 | } |
| 457 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 458 | // Update the map of the object. |
| 459 | __ li(scratch1, Operand(transition)); |
| 460 | __ sw(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 461 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 462 | // Update the write barrier for the map field. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 463 | __ RecordWriteField(receiver_reg, |
| 464 | HeapObject::kMapOffset, |
| 465 | scratch1, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 466 | scratch2, |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 467 | kRAHasNotBeenSaved, |
| 468 | kDontSaveFPRegs, |
| 469 | OMIT_REMEMBERED_SET, |
| 470 | OMIT_SMI_CHECK); |
| 471 | |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 472 | if (details.type() == CONSTANT) { |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 473 | ASSERT(value_reg.is(a0)); |
| 474 | __ Ret(USE_DELAY_SLOT); |
| 475 | __ mov(v0, a0); |
| 476 | return; |
| 477 | } |
| 478 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 479 | int index = transition->instance_descriptors()->GetFieldIndex( |
| 480 | transition->LastAdded()); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 481 | |
| 482 | // Adjust for the number of properties stored in the object. Even in the |
| 483 | // face of a transition we can use the old map here because the size of the |
| 484 | // object and the number of in-object properties is not going to change. |
| 485 | index -= object->map()->inobject_properties(); |
| 486 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 487 | // TODO(verwaest): Share this code as a code stub. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 488 | SmiCheck smi_check = representation.IsTagged() |
| 489 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 490 | if (index < 0) { |
| 491 | // Set the property straight into the object. |
| 492 | int offset = object->map()->instance_size() + (index * kPointerSize); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 493 | if (representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 494 | __ sw(storage_reg, FieldMemOperand(receiver_reg, offset)); |
| 495 | } else { |
| 496 | __ sw(value_reg, FieldMemOperand(receiver_reg, offset)); |
| 497 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 498 | |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 499 | if (!representation.IsSmi()) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 500 | // Update the write barrier for the array address. |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 501 | if (!representation.IsDouble()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 502 | __ mov(storage_reg, value_reg); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 503 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 504 | __ RecordWriteField(receiver_reg, |
| 505 | offset, |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 506 | storage_reg, |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 507 | scratch1, |
| 508 | kRAHasNotBeenSaved, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 509 | kDontSaveFPRegs, |
| 510 | EMIT_REMEMBERED_SET, |
| 511 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 512 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 513 | } else { |
| 514 | // Write to the properties array. |
| 515 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 516 | // Get the properties array |
| 517 | __ lw(scratch1, |
| 518 | FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset)); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 519 | if (representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 520 | __ sw(storage_reg, FieldMemOperand(scratch1, offset)); |
| 521 | } else { |
| 522 | __ sw(value_reg, FieldMemOperand(scratch1, offset)); |
| 523 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 524 | |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 525 | if (!representation.IsSmi()) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 526 | // Update the write barrier for the array address. |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 527 | if (!representation.IsDouble()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 528 | __ mov(storage_reg, value_reg); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 529 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 530 | __ RecordWriteField(scratch1, |
| 531 | offset, |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 532 | storage_reg, |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 533 | receiver_reg, |
| 534 | kRAHasNotBeenSaved, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 535 | kDontSaveFPRegs, |
| 536 | EMIT_REMEMBERED_SET, |
| 537 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 538 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | // Return the value (register v0). |
| 542 | ASSERT(value_reg.is(a0)); |
| 543 | __ bind(&exit); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 544 | __ Ret(USE_DELAY_SLOT); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 545 | __ mov(v0, a0); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | |
| 549 | // Generate StoreField code, value is passed in a0 register. |
| 550 | // When leaving generated code after success, the receiver_reg and name_reg |
| 551 | // may be clobbered. Upon branch to miss_label, the receiver and name |
| 552 | // registers have their original values. |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 553 | void StoreStubCompiler::GenerateStoreField(MacroAssembler* masm, |
| 554 | Handle<JSObject> object, |
| 555 | LookupResult* lookup, |
| 556 | Register receiver_reg, |
| 557 | Register name_reg, |
| 558 | Register value_reg, |
| 559 | Register scratch1, |
| 560 | Register scratch2, |
| 561 | Label* miss_label) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 562 | // a0 : value |
| 563 | Label exit; |
| 564 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 565 | // Stub never generated for non-global objects that require access |
| 566 | // checks. |
| 567 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 568 | |
| 569 | int index = lookup->GetFieldIndex().field_index(); |
| 570 | |
| 571 | // Adjust for the number of properties stored in the object. Even in the |
| 572 | // face of a transition we can use the old map here because the size of the |
| 573 | // object and the number of in-object properties is not going to change. |
| 574 | index -= object->map()->inobject_properties(); |
| 575 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 576 | Representation representation = lookup->representation(); |
| 577 | ASSERT(!representation.IsNone()); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 578 | if (representation.IsSmi()) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 579 | __ JumpIfNotSmi(value_reg, miss_label); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 580 | } else if (representation.IsHeapObject()) { |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 581 | __ JumpIfSmi(value_reg, miss_label); |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 582 | } else if (representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 583 | // Load the double storage. |
| 584 | if (index < 0) { |
| 585 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 586 | __ lw(scratch1, FieldMemOperand(receiver_reg, offset)); |
| 587 | } else { |
| 588 | __ lw(scratch1, |
| 589 | FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 590 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 591 | __ lw(scratch1, FieldMemOperand(scratch1, offset)); |
| 592 | } |
| 593 | |
| 594 | // Store the value into the storage. |
| 595 | Label do_store, heap_number; |
| 596 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 597 | __ SmiUntag(scratch2, value_reg); |
| 598 | __ mtc1(scratch2, f6); |
| 599 | __ cvt_d_w(f4, f6); |
| 600 | __ jmp(&do_store); |
| 601 | |
| 602 | __ bind(&heap_number); |
| 603 | __ CheckMap(value_reg, scratch2, Heap::kHeapNumberMapRootIndex, |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 604 | miss_label, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 605 | __ ldc1(f4, FieldMemOperand(value_reg, HeapNumber::kValueOffset)); |
| 606 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 607 | __ bind(&do_store); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 608 | __ sdc1(f4, FieldMemOperand(scratch1, HeapNumber::kValueOffset)); |
| 609 | // Return the value (register v0). |
| 610 | ASSERT(value_reg.is(a0)); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 611 | __ Ret(USE_DELAY_SLOT); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 612 | __ mov(v0, a0); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 613 | return; |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 614 | } |
| 615 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 616 | // TODO(verwaest): Share this code as a code stub. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 617 | SmiCheck smi_check = representation.IsTagged() |
| 618 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 619 | if (index < 0) { |
| 620 | // Set the property straight into the object. |
| 621 | int offset = object->map()->instance_size() + (index * kPointerSize); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 622 | __ sw(value_reg, FieldMemOperand(receiver_reg, offset)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 623 | |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 624 | if (!representation.IsSmi()) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 625 | // Skip updating write barrier if storing a smi. |
| 626 | __ JumpIfSmi(value_reg, &exit); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 627 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 628 | // Update the write barrier for the array address. |
| 629 | // Pass the now unused name_reg as a scratch register. |
| 630 | __ mov(name_reg, value_reg); |
| 631 | __ RecordWriteField(receiver_reg, |
| 632 | offset, |
| 633 | name_reg, |
| 634 | scratch1, |
| 635 | kRAHasNotBeenSaved, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 636 | kDontSaveFPRegs, |
| 637 | EMIT_REMEMBERED_SET, |
| 638 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 639 | } |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 640 | } else { |
| 641 | // Write to the properties array. |
| 642 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 643 | // Get the properties array. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 644 | __ lw(scratch1, |
| 645 | FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset)); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 646 | __ sw(value_reg, FieldMemOperand(scratch1, offset)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 647 | |
titzer@chromium.org | bc17605 | 2014-03-05 15:10:53 +0000 | [diff] [blame] | 648 | if (!representation.IsSmi()) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 649 | // Skip updating write barrier if storing a smi. |
| 650 | __ JumpIfSmi(value_reg, &exit); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 651 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 652 | // Update the write barrier for the array address. |
| 653 | // Ok to clobber receiver_reg and name_reg, since we return. |
| 654 | __ mov(name_reg, value_reg); |
| 655 | __ RecordWriteField(scratch1, |
| 656 | offset, |
| 657 | name_reg, |
| 658 | receiver_reg, |
| 659 | kRAHasNotBeenSaved, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 660 | kDontSaveFPRegs, |
| 661 | EMIT_REMEMBERED_SET, |
| 662 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 663 | } |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | // Return the value (register v0). |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 667 | ASSERT(value_reg.is(a0)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 668 | __ bind(&exit); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 669 | __ Ret(USE_DELAY_SLOT); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 670 | __ mov(v0, a0); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 674 | void StoreStubCompiler::GenerateRestoreName(MacroAssembler* masm, |
| 675 | Label* label, |
| 676 | Handle<Name> name) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 677 | if (!label->is_unused()) { |
| 678 | __ bind(label); |
| 679 | __ li(this->name(), Operand(name)); |
| 680 | } |
mstarzinger@chromium.org | 068ea0a | 2013-01-30 09:39:44 +0000 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 684 | static void PushInterceptorArguments(MacroAssembler* masm, |
| 685 | Register receiver, |
| 686 | Register holder, |
| 687 | Register name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 688 | Handle<JSObject> holder_obj) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 689 | STATIC_ASSERT(StubCache::kInterceptorArgsNameIndex == 0); |
| 690 | STATIC_ASSERT(StubCache::kInterceptorArgsInfoIndex == 1); |
| 691 | STATIC_ASSERT(StubCache::kInterceptorArgsThisIndex == 2); |
| 692 | STATIC_ASSERT(StubCache::kInterceptorArgsHolderIndex == 3); |
| 693 | STATIC_ASSERT(StubCache::kInterceptorArgsLength == 4); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 694 | __ push(name); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 695 | Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor()); |
| 696 | ASSERT(!masm->isolate()->heap()->InNewSpace(*interceptor)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 697 | Register scratch = name; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 698 | __ li(scratch, Operand(interceptor)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 699 | __ Push(scratch, receiver, holder); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 703 | static void CompileCallLoadPropertyWithInterceptor( |
| 704 | MacroAssembler* masm, |
| 705 | Register receiver, |
| 706 | Register holder, |
| 707 | Register name, |
machenbach@chromium.org | 37be408 | 2013-11-26 13:50:38 +0000 | [diff] [blame] | 708 | Handle<JSObject> holder_obj, |
| 709 | IC::UtilityId id) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 710 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
machenbach@chromium.org | 37be408 | 2013-11-26 13:50:38 +0000 | [diff] [blame] | 711 | __ CallExternalReference( |
| 712 | ExternalReference(IC_Utility(id), masm->isolate()), |
| 713 | StubCache::kInterceptorArgsLength); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | |
machenbach@chromium.org | 6f1040e | 2014-02-04 07:54:22 +0000 | [diff] [blame] | 717 | // Generate call to api function. |
titzer@chromium.org | f5a2454 | 2014-03-04 09:06:17 +0000 | [diff] [blame] | 718 | void StubCompiler::GenerateFastApiCall(MacroAssembler* masm, |
| 719 | const CallOptimization& optimization, |
| 720 | Handle<Map> receiver_map, |
| 721 | Register receiver, |
| 722 | Register scratch_in, |
| 723 | bool is_store, |
| 724 | int argc, |
| 725 | Register* values) { |
machenbach@chromium.org | 6f1040e | 2014-02-04 07:54:22 +0000 | [diff] [blame] | 726 | ASSERT(!receiver.is(scratch_in)); |
| 727 | // Preparing to push, adjust sp. |
| 728 | __ Subu(sp, sp, Operand((argc + 1) * kPointerSize)); |
| 729 | __ sw(receiver, MemOperand(sp, argc * kPointerSize)); // Push receiver. |
| 730 | // Write the arguments to stack frame. |
| 731 | for (int i = 0; i < argc; i++) { |
| 732 | Register arg = values[argc-1-i]; |
| 733 | ASSERT(!receiver.is(arg)); |
| 734 | ASSERT(!scratch_in.is(arg)); |
| 735 | __ sw(arg, MemOperand(sp, (argc-1-i) * kPointerSize)); // Push arg. |
| 736 | } |
palfia@homejinni.com | cc96b0e | 2014-01-23 17:24:54 +0000 | [diff] [blame] | 737 | ASSERT(optimization.is_simple_api_call()); |
| 738 | |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 739 | // Abi for CallApiFunctionStub. |
| 740 | Register callee = a0; |
| 741 | Register call_data = t0; |
| 742 | Register holder = a2; |
machenbach@chromium.org | 57a54ac | 2014-01-31 14:01:53 +0000 | [diff] [blame] | 743 | Register api_function_address = a1; |
palfia@homejinni.com | cc96b0e | 2014-01-23 17:24:54 +0000 | [diff] [blame] | 744 | |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 745 | // Put holder in place. |
machenbach@chromium.org | 6f1040e | 2014-02-04 07:54:22 +0000 | [diff] [blame] | 746 | CallOptimization::HolderLookup holder_lookup; |
| 747 | Handle<JSObject> api_holder = optimization.LookupHolderOfExpectedType( |
| 748 | receiver_map, |
| 749 | &holder_lookup); |
| 750 | switch (holder_lookup) { |
| 751 | case CallOptimization::kHolderIsReceiver: |
| 752 | __ Move(holder, receiver); |
| 753 | break; |
| 754 | case CallOptimization::kHolderFound: |
| 755 | __ li(holder, api_holder); |
| 756 | break; |
| 757 | case CallOptimization::kHolderNotFound: |
| 758 | UNREACHABLE(); |
| 759 | break; |
| 760 | } |
palfia@homejinni.com | cc96b0e | 2014-01-23 17:24:54 +0000 | [diff] [blame] | 761 | |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 762 | Isolate* isolate = masm->isolate(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 763 | Handle<JSFunction> function = optimization.constant_function(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 764 | Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 765 | Handle<Object> call_data_obj(api_call_info->data(), isolate); |
| 766 | |
| 767 | // Put callee in place. |
| 768 | __ li(callee, function); |
| 769 | |
palfia@homejinni.com | cc96b0e | 2014-01-23 17:24:54 +0000 | [diff] [blame] | 770 | bool call_data_undefined = false; |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 771 | // Put call_data in place. |
| 772 | if (isolate->heap()->InNewSpace(*call_data_obj)) { |
| 773 | __ li(call_data, api_call_info); |
| 774 | __ lw(call_data, FieldMemOperand(call_data, CallHandlerInfo::kDataOffset)); |
| 775 | } else if (call_data_obj->IsUndefined()) { |
palfia@homejinni.com | cc96b0e | 2014-01-23 17:24:54 +0000 | [diff] [blame] | 776 | call_data_undefined = true; |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 777 | __ LoadRoot(call_data, Heap::kUndefinedValueRootIndex); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 778 | } else { |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 779 | __ li(call_data, call_data_obj); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 780 | } |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 781 | // Put api_function_address in place. |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 782 | Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 783 | ApiFunction fun(function_address); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 784 | ExternalReference::Type type = ExternalReference::DIRECT_API_CALL; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 785 | ExternalReference ref = |
| 786 | ExternalReference(&fun, |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 787 | type, |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 788 | masm->isolate()); |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 789 | __ li(api_function_address, Operand(ref)); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 790 | |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 791 | // Jump to stub. |
titzer@chromium.org | f5a2454 | 2014-03-04 09:06:17 +0000 | [diff] [blame] | 792 | CallApiFunctionStub stub(is_store, call_data_undefined, argc); |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 793 | __ TailCallStub(&stub); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 794 | } |
| 795 | |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 796 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 797 | void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 798 | __ Jump(code, RelocInfo::CODE_TARGET); |
| 799 | } |
| 800 | |
| 801 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 802 | #undef __ |
| 803 | #define __ ACCESS_MASM(masm()) |
| 804 | |
| 805 | |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 806 | Register StubCompiler::CheckPrototypes(Handle<HeapType> type, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 807 | Register object_reg, |
| 808 | Handle<JSObject> holder, |
| 809 | Register holder_reg, |
| 810 | Register scratch1, |
| 811 | Register scratch2, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 812 | Handle<Name> name, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 813 | Label* miss, |
| 814 | PrototypeCheckType check) { |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 815 | Handle<Map> receiver_map(IC::TypeToMap(*type, isolate())); |
jkummerow@chromium.org | ba72ec8 | 2013-07-22 09:21:20 +0000 | [diff] [blame] | 816 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 817 | // Make sure there's no overlap between holder and object registers. |
| 818 | ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
| 819 | ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) |
| 820 | && !scratch2.is(scratch1)); |
| 821 | |
| 822 | // Keep track of the current object in register reg. |
| 823 | Register reg = object_reg; |
| 824 | int depth = 0; |
| 825 | |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 826 | Handle<JSObject> current = Handle<JSObject>::null(); |
| 827 | if (type->IsConstant()) current = Handle<JSObject>::cast(type->AsConstant()); |
| 828 | Handle<JSObject> prototype = Handle<JSObject>::null(); |
| 829 | Handle<Map> current_map = receiver_map; |
| 830 | Handle<Map> holder_map(holder->map()); |
| 831 | // Traverse the prototype chain and check the maps in the prototype chain for |
| 832 | // fast and global objects or do negative lookup for normal objects. |
| 833 | while (!current_map.is_identical_to(holder_map)) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 834 | ++depth; |
| 835 | |
| 836 | // Only global objects and objects that do not require access |
| 837 | // checks are allowed in stubs. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 838 | ASSERT(current_map->IsJSGlobalProxyMap() || |
| 839 | !current_map->is_access_check_needed()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 840 | |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 841 | prototype = handle(JSObject::cast(current_map->prototype())); |
| 842 | if (current_map->is_dictionary_map() && |
| 843 | !current_map->IsJSGlobalObjectMap() && |
| 844 | !current_map->IsJSGlobalProxyMap()) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 845 | if (!name->IsUniqueName()) { |
| 846 | ASSERT(name->IsString()); |
| 847 | name = factory()->InternalizeString(Handle<String>::cast(name)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 848 | } |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 849 | ASSERT(current.is_null() || |
| 850 | current->property_dictionary()->FindEntry(*name) == |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 851 | NameDictionary::kNotFound); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 852 | |
| 853 | GenerateDictionaryNegativeLookup(masm(), miss, reg, name, |
| 854 | scratch1, scratch2); |
| 855 | |
| 856 | __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset)); |
| 857 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 858 | __ lw(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset)); |
| 859 | } else { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 860 | Register map_reg = scratch1; |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 861 | if (depth != 1 || check == CHECK_ALL_MAPS) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 862 | // CheckMap implicitly loads the map of |reg| into |map_reg|. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 863 | __ CheckMap(reg, map_reg, current_map, miss, DONT_DO_SMI_CHECK); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 864 | } else { |
| 865 | __ lw(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset)); |
| 866 | } |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 867 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 868 | // Check access rights to the global object. This has to happen after |
| 869 | // the map check so that we know that the object is actually a global |
| 870 | // object. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 871 | if (current_map->IsJSGlobalProxyMap()) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 872 | __ CheckAccessGlobalProxy(reg, scratch2, miss); |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 873 | } else if (current_map->IsJSGlobalObjectMap()) { |
| 874 | GenerateCheckPropertyCell( |
| 875 | masm(), Handle<JSGlobalObject>::cast(current), name, |
| 876 | scratch2, miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 877 | } |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 878 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 879 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 880 | |
| 881 | if (heap()->InNewSpace(*prototype)) { |
| 882 | // The prototype is in new space; we cannot store a reference to it |
| 883 | // in the code. Load it from the map. |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 884 | __ lw(reg, FieldMemOperand(map_reg, Map::kPrototypeOffset)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 885 | } else { |
| 886 | // The prototype is in old space; load it directly. |
| 887 | __ li(reg, Operand(prototype)); |
| 888 | } |
| 889 | } |
| 890 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 891 | // Go to the next object in the prototype chain. |
| 892 | current = prototype; |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 893 | current_map = handle(current->map()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | // Log the check depth. |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 897 | LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 898 | |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 899 | if (depth != 0 || check == CHECK_ALL_MAPS) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 900 | // Check the holder map. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 901 | __ CheckMap(reg, scratch1, current_map, miss, DONT_DO_SMI_CHECK); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 902 | } |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 903 | |
| 904 | // Perform security check for access to the global object. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 905 | ASSERT(current_map->IsJSGlobalProxyMap() || |
| 906 | !current_map->is_access_check_needed()); |
| 907 | if (current_map->IsJSGlobalProxyMap()) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 908 | __ CheckAccessGlobalProxy(reg, scratch1, miss); |
| 909 | } |
| 910 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 911 | // Return the register containing the holder. |
| 912 | return reg; |
| 913 | } |
| 914 | |
| 915 | |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 916 | void LoadStubCompiler::HandlerFrontendFooter(Handle<Name> name, Label* miss) { |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 917 | if (!miss->is_unused()) { |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 918 | Label success; |
| 919 | __ Branch(&success); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 920 | __ bind(miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 921 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 922 | __ bind(&success); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 923 | } |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 924 | } |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 925 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 926 | |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 927 | void StoreStubCompiler::HandlerFrontendFooter(Handle<Name> name, Label* miss) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 928 | if (!miss->is_unused()) { |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 929 | Label success; |
| 930 | __ Branch(&success); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 931 | GenerateRestoreName(masm(), miss, name); |
| 932 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 933 | __ bind(&success); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 934 | } |
| 935 | } |
| 936 | |
| 937 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 938 | Register LoadStubCompiler::CallbackHandlerFrontend( |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 939 | Handle<HeapType> type, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 940 | Register object_reg, |
| 941 | Handle<JSObject> holder, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 942 | Handle<Name> name, |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 943 | Handle<Object> callback) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 944 | Label miss; |
| 945 | |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 946 | Register reg = HandlerFrontendHeader(type, object_reg, holder, name, &miss); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 947 | |
| 948 | if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) { |
| 949 | ASSERT(!reg.is(scratch2())); |
| 950 | ASSERT(!reg.is(scratch3())); |
| 951 | ASSERT(!reg.is(scratch4())); |
| 952 | |
| 953 | // Load the properties dictionary. |
| 954 | Register dictionary = scratch4(); |
| 955 | __ lw(dictionary, FieldMemOperand(reg, JSObject::kPropertiesOffset)); |
| 956 | |
| 957 | // Probe the dictionary. |
| 958 | Label probe_done; |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 959 | NameDictionaryLookupStub::GeneratePositiveLookup(masm(), |
| 960 | &miss, |
| 961 | &probe_done, |
| 962 | dictionary, |
| 963 | this->name(), |
| 964 | scratch2(), |
| 965 | scratch3()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 966 | __ bind(&probe_done); |
| 967 | |
| 968 | // If probing finds an entry in the dictionary, scratch3 contains the |
| 969 | // pointer into the dictionary. Check that the value is the callback. |
| 970 | Register pointer = scratch3(); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 971 | const int kElementsStartOffset = NameDictionary::kHeaderSize + |
| 972 | NameDictionary::kElementsStartIndex * kPointerSize; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 973 | const int kValueOffset = kElementsStartOffset + kPointerSize; |
| 974 | __ lw(scratch2(), FieldMemOperand(pointer, kValueOffset)); |
| 975 | __ Branch(&miss, ne, scratch2(), Operand(callback)); |
| 976 | } |
| 977 | |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 978 | HandlerFrontendFooter(name, &miss); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 979 | return reg; |
| 980 | } |
| 981 | |
| 982 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 983 | void LoadStubCompiler::GenerateLoadField(Register reg, |
| 984 | Handle<JSObject> holder, |
| 985 | PropertyIndex field, |
| 986 | Representation representation) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 987 | if (!reg.is(receiver())) __ mov(receiver(), reg); |
| 988 | if (kind() == Code::LOAD_IC) { |
| 989 | LoadFieldStub stub(field.is_inobject(holder), |
| 990 | field.translate(holder), |
| 991 | representation); |
| 992 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 993 | } else { |
| 994 | KeyedLoadFieldStub stub(field.is_inobject(holder), |
| 995 | field.translate(holder), |
| 996 | representation); |
| 997 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 998 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1002 | void LoadStubCompiler::GenerateLoadConstant(Handle<Object> value) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1003 | // Return the constant value. |
verwaest@chromium.org | 057bd50 | 2013-11-06 12:03:29 +0000 | [diff] [blame] | 1004 | __ li(v0, value); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1005 | __ Ret(); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1006 | } |
| 1007 | |
| 1008 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1009 | void LoadStubCompiler::GenerateLoadCallback( |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1010 | Register reg, |
| 1011 | Handle<ExecutableAccessorInfo> callback) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1012 | // Build AccessorInfo::args_ list on the stack and push property name below |
| 1013 | // the exit frame to make GC aware of them and store pointers to them. |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1014 | STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0); |
| 1015 | STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1); |
| 1016 | STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2); |
| 1017 | STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3); |
| 1018 | STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 4); |
| 1019 | STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 5); |
| 1020 | STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1021 | ASSERT(!scratch2().is(reg)); |
| 1022 | ASSERT(!scratch3().is(reg)); |
| 1023 | ASSERT(!scratch4().is(reg)); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1024 | __ push(receiver()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1025 | if (heap()->InNewSpace(callback->data())) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1026 | __ li(scratch3(), callback); |
| 1027 | __ lw(scratch3(), FieldMemOperand(scratch3(), |
| 1028 | ExecutableAccessorInfo::kDataOffset)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1029 | } else { |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1030 | __ li(scratch3(), Handle<Object>(callback->data(), isolate())); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1031 | } |
palfia@homejinni.com | 79d0bf7 | 2013-06-10 19:35:04 +0000 | [diff] [blame] | 1032 | __ Subu(sp, sp, 6 * kPointerSize); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1033 | __ sw(scratch3(), MemOperand(sp, 5 * kPointerSize)); |
jkummerow@chromium.org | c118402 | 2013-05-28 16:58:15 +0000 | [diff] [blame] | 1034 | __ LoadRoot(scratch3(), Heap::kUndefinedValueRootIndex); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1035 | __ sw(scratch3(), MemOperand(sp, 4 * kPointerSize)); |
palfia@homejinni.com | 79d0bf7 | 2013-06-10 19:35:04 +0000 | [diff] [blame] | 1036 | __ sw(scratch3(), MemOperand(sp, 3 * kPointerSize)); |
jkummerow@chromium.org | c118402 | 2013-05-28 16:58:15 +0000 | [diff] [blame] | 1037 | __ li(scratch4(), |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1038 | Operand(ExternalReference::isolate_address(isolate()))); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1039 | __ sw(scratch4(), MemOperand(sp, 2 * kPointerSize)); |
| 1040 | __ sw(reg, MemOperand(sp, 1 * kPointerSize)); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1041 | __ sw(name(), MemOperand(sp, 0 * kPointerSize)); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1042 | __ Addu(scratch2(), sp, 1 * kPointerSize); |
erik.corry@gmail.com | ed49e96 | 2012-04-17 11:57:53 +0000 | [diff] [blame] | 1043 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1044 | __ mov(a2, scratch2()); // Saved in case scratch2 == a1. |
machenbach@chromium.org | 57a54ac | 2014-01-31 14:01:53 +0000 | [diff] [blame] | 1045 | // Abi for CallApiGetter. |
| 1046 | Register getter_address_reg = a2; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1047 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1048 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1049 | ApiFunction fun(getter_address); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1050 | ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; |
danno@chromium.org | fe57867 | 2013-06-15 14:38:35 +0000 | [diff] [blame] | 1051 | ExternalReference ref = ExternalReference(&fun, type, isolate()); |
machenbach@chromium.org | e014e5b | 2014-01-28 07:51:38 +0000 | [diff] [blame] | 1052 | __ li(getter_address_reg, Operand(ref)); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1053 | |
machenbach@chromium.org | 57a54ac | 2014-01-31 14:01:53 +0000 | [diff] [blame] | 1054 | CallApiGetterStub stub; |
| 1055 | __ TailCallStub(&stub); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1056 | } |
| 1057 | |
| 1058 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1059 | void LoadStubCompiler::GenerateLoadInterceptor( |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1060 | Register holder_reg, |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1061 | Handle<Object> object, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1062 | Handle<JSObject> interceptor_holder, |
| 1063 | LookupResult* lookup, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1064 | Handle<Name> name) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1065 | ASSERT(interceptor_holder->HasNamedInterceptor()); |
| 1066 | ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 1067 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1068 | // So far the most popular follow ups for interceptor loads are FIELD |
| 1069 | // and CALLBACKS, so inline only them, other cases may be added |
| 1070 | // later. |
| 1071 | bool compile_followup_inline = false; |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1072 | if (lookup->IsFound() && lookup->IsCacheable()) { |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1073 | if (lookup->IsField()) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1074 | compile_followup_inline = true; |
| 1075 | } else if (lookup->type() == CALLBACKS && |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1076 | lookup->GetCallbackObject()->IsExecutableAccessorInfo()) { |
| 1077 | ExecutableAccessorInfo* callback = |
| 1078 | ExecutableAccessorInfo::cast(lookup->GetCallbackObject()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1079 | compile_followup_inline = callback->getter() != NULL && |
| 1080 | callback->IsCompatibleReceiver(*object); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | if (compile_followup_inline) { |
| 1085 | // Compile the interceptor call, followed by inline code to load the |
| 1086 | // property from further up the prototype chain if the call fails. |
| 1087 | // Check that the maps haven't changed. |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1088 | ASSERT(holder_reg.is(receiver()) || holder_reg.is(scratch1())); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1089 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1090 | // Preserve the receiver register explicitly whenever it is different from |
| 1091 | // the holder and it is needed should the interceptor return without any |
| 1092 | // result. The CALLBACKS case needs the receiver to be passed into C++ code, |
| 1093 | // the FIELD case might cause a miss during the prototype check. |
| 1094 | bool must_perfrom_prototype_check = *interceptor_holder != lookup->holder(); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1095 | bool must_preserve_receiver_reg = !receiver().is(holder_reg) && |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1096 | (lookup->type() == CALLBACKS || must_perfrom_prototype_check); |
| 1097 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1098 | // Save necessary data before invoking an interceptor. |
| 1099 | // Requires a frame to make GC aware of pushed pointers. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1100 | { |
| 1101 | FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1102 | if (must_preserve_receiver_reg) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1103 | __ Push(receiver(), holder_reg, this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1104 | } else { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1105 | __ Push(holder_reg, this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1106 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1107 | // Invoke an interceptor. Note: map checks from receiver to |
| 1108 | // interceptor's holder has been compiled before (see a caller |
| 1109 | // of this method). |
machenbach@chromium.org | 37be408 | 2013-11-26 13:50:38 +0000 | [diff] [blame] | 1110 | CompileCallLoadPropertyWithInterceptor( |
| 1111 | masm(), receiver(), holder_reg, this->name(), interceptor_holder, |
| 1112 | IC::kLoadPropertyWithInterceptorOnly); |
| 1113 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1114 | // Check if interceptor provided a value for property. If it's |
| 1115 | // the case, return immediately. |
| 1116 | Label interceptor_failed; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1117 | __ LoadRoot(scratch1(), Heap::kNoInterceptorResultSentinelRootIndex); |
| 1118 | __ Branch(&interceptor_failed, eq, v0, Operand(scratch1())); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1119 | frame_scope.GenerateLeaveFrame(); |
| 1120 | __ Ret(); |
| 1121 | |
| 1122 | __ bind(&interceptor_failed); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1123 | __ pop(this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1124 | __ pop(holder_reg); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1125 | if (must_preserve_receiver_reg) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1126 | __ pop(receiver()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1127 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1128 | // Leave the internal frame. |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1129 | } |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1130 | GenerateLoadPostInterceptor(holder_reg, interceptor_holder, name, lookup); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1131 | } else { // !compile_followup_inline |
| 1132 | // Call the runtime system to load the interceptor. |
| 1133 | // Check that the maps haven't changed. |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1134 | PushInterceptorArguments(masm(), receiver(), holder_reg, |
| 1135 | this->name(), interceptor_holder); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1136 | |
| 1137 | ExternalReference ref = ExternalReference( |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1138 | IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), isolate()); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1139 | __ TailCallExternalReference(ref, StubCache::kInterceptorArgsLength, 1); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1140 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1144 | void StubCompiler::GenerateBooleanCheck(Register object, Label* miss) { |
| 1145 | Label success; |
| 1146 | // Check that the object is a boolean. |
| 1147 | __ LoadRoot(at, Heap::kTrueValueRootIndex); |
| 1148 | __ Branch(&success, eq, object, Operand(at)); |
| 1149 | __ LoadRoot(at, Heap::kFalseValueRootIndex); |
| 1150 | __ Branch(miss, ne, object, Operand(at)); |
| 1151 | __ bind(&success); |
| 1152 | } |
| 1153 | |
| 1154 | |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1155 | Handle<Code> StoreStubCompiler::CompileStoreCallback( |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1156 | Handle<JSObject> object, |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 1157 | Handle<JSObject> holder, |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1158 | Handle<Name> name, |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1159 | Handle<ExecutableAccessorInfo> callback) { |
machenbach@chromium.org | 43c51e5 | 2014-01-20 07:57:28 +0000 | [diff] [blame] | 1160 | Register holder_reg = HandlerFrontend( |
| 1161 | IC::CurrentTypeOf(object, isolate()), receiver(), holder, name); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1162 | |
| 1163 | // Stub never generated for non-global objects that require access |
| 1164 | // checks. |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 1165 | ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded()); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1166 | |
machenbach@chromium.org | 6f1040e | 2014-02-04 07:54:22 +0000 | [diff] [blame] | 1167 | __ Push(receiver(), holder_reg); // Receiver. |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1168 | __ li(at, Operand(callback)); // Callback info. |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1169 | __ push(at); |
| 1170 | __ li(at, Operand(name)); |
| 1171 | __ Push(at, value()); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1172 | |
| 1173 | // Do tail-call to the runtime system. |
| 1174 | ExternalReference store_callback_property = |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1175 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
machenbach@chromium.org | 43c51e5 | 2014-01-20 07:57:28 +0000 | [diff] [blame] | 1176 | __ TailCallExternalReference(store_callback_property, 5, 1); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1177 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1178 | // Return the generated code. |
machenbach@chromium.org | 9af454f | 2013-11-20 09:25:57 +0000 | [diff] [blame] | 1179 | return GetCode(kind(), Code::FAST, name); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1183 | #undef __ |
| 1184 | #define __ ACCESS_MASM(masm) |
| 1185 | |
| 1186 | |
| 1187 | void StoreStubCompiler::GenerateStoreViaSetter( |
| 1188 | MacroAssembler* masm, |
bmeurer@chromium.org | 25530ce | 2014-02-07 09:11:16 +0000 | [diff] [blame] | 1189 | Handle<HeapType> type, |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1190 | Register receiver, |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1191 | Handle<JSFunction> setter) { |
| 1192 | // ----------- S t a t e ------------- |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1193 | // -- ra : return address |
| 1194 | // ----------------------------------- |
| 1195 | { |
| 1196 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 1197 | |
| 1198 | // Save value register, so we can restore it later. |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1199 | __ push(value()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1200 | |
| 1201 | if (!setter.is_null()) { |
| 1202 | // Call the JavaScript setter with receiver and value on the stack. |
bmeurer@chromium.org | 25530ce | 2014-02-07 09:11:16 +0000 | [diff] [blame] | 1203 | if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
| 1204 | // Swap in the global receiver. |
| 1205 | __ lw(receiver, |
| 1206 | FieldMemOperand( |
| 1207 | receiver, JSGlobalObject::kGlobalReceiverOffset)); |
| 1208 | } |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1209 | __ Push(receiver, value()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1210 | ParameterCount actual(1); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1211 | ParameterCount expected(setter); |
| 1212 | __ InvokeFunction(setter, expected, actual, |
machenbach@chromium.org | e31286d | 2014-01-15 10:29:52 +0000 | [diff] [blame] | 1213 | CALL_FUNCTION, NullCallWrapper()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1214 | } else { |
| 1215 | // If we generate a global code snippet for deoptimization only, remember |
| 1216 | // the place to continue after deoptimization. |
| 1217 | masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
| 1218 | } |
| 1219 | |
| 1220 | // We have to return the passed value, not the return value of the setter. |
| 1221 | __ pop(v0); |
| 1222 | |
| 1223 | // Restore context register. |
| 1224 | __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 1225 | } |
| 1226 | __ Ret(); |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | #undef __ |
| 1231 | #define __ ACCESS_MASM(masm()) |
| 1232 | |
| 1233 | |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1234 | Handle<Code> StoreStubCompiler::CompileStoreInterceptor( |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1235 | Handle<JSObject> object, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1236 | Handle<Name> name) { |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1237 | __ Push(receiver(), this->name(), value()); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1238 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1239 | // Do tail-call to the runtime system. |
| 1240 | ExternalReference store_ic_property = |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1241 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty), isolate()); |
yangguo@chromium.org | cc53605 | 2013-11-29 11:43:20 +0000 | [diff] [blame] | 1242 | __ TailCallExternalReference(store_ic_property, 3, 1); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1243 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1244 | // Return the generated code. |
machenbach@chromium.org | 9af454f | 2013-11-20 09:25:57 +0000 | [diff] [blame] | 1245 | return GetCode(kind(), Code::FAST, name); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 1246 | } |
| 1247 | |
| 1248 | |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 1249 | Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type, |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 1250 | Handle<JSObject> last, |
| 1251 | Handle<Name> name) { |
| 1252 | NonexistentHandlerFrontend(type, last, name); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1253 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1254 | // Return undefined if maps of the full prototype chain is still the same. |
| 1255 | __ LoadRoot(v0, Heap::kUndefinedValueRootIndex); |
| 1256 | __ Ret(); |
| 1257 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1258 | // Return the generated code. |
machenbach@chromium.org | 9af454f | 2013-11-20 09:25:57 +0000 | [diff] [blame] | 1259 | return GetCode(kind(), Code::FAST, name); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1260 | } |
| 1261 | |
| 1262 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 1263 | Register* LoadStubCompiler::registers() { |
| 1264 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
| 1265 | static Register registers[] = { a0, a2, a3, a1, t0, t1 }; |
| 1266 | return registers; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1267 | } |
| 1268 | |
| 1269 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 1270 | Register* KeyedLoadStubCompiler::registers() { |
| 1271 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
| 1272 | static Register registers[] = { a1, a0, a2, a3, t0, t1 }; |
| 1273 | return registers; |
| 1274 | } |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1275 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 1276 | |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1277 | Register StoreStubCompiler::value() { |
| 1278 | return a0; |
| 1279 | } |
| 1280 | |
| 1281 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1282 | Register* StoreStubCompiler::registers() { |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1283 | // receiver, name, scratch1, scratch2, scratch3. |
| 1284 | static Register registers[] = { a1, a2, a3, t0, t1 }; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1285 | return registers; |
| 1286 | } |
| 1287 | |
| 1288 | |
| 1289 | Register* KeyedStoreStubCompiler::registers() { |
machenbach@chromium.org | bcc3672 | 2014-03-11 07:52:26 +0000 | [diff] [blame] | 1290 | // receiver, name, scratch1, scratch2, scratch3. |
| 1291 | static Register registers[] = { a2, a1, a3, t0, t1 }; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1292 | return registers; |
| 1293 | } |
| 1294 | |
| 1295 | |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1296 | #undef __ |
| 1297 | #define __ ACCESS_MASM(masm) |
| 1298 | |
| 1299 | |
| 1300 | void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm, |
bmeurer@chromium.org | 25530ce | 2014-02-07 09:11:16 +0000 | [diff] [blame] | 1301 | Handle<HeapType> type, |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1302 | Register receiver, |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1303 | Handle<JSFunction> getter) { |
| 1304 | // ----------- S t a t e ------------- |
| 1305 | // -- a0 : receiver |
| 1306 | // -- a2 : name |
| 1307 | // -- ra : return address |
| 1308 | // ----------------------------------- |
| 1309 | { |
| 1310 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 1311 | |
| 1312 | if (!getter.is_null()) { |
| 1313 | // Call the JavaScript getter with the receiver on the stack. |
bmeurer@chromium.org | 25530ce | 2014-02-07 09:11:16 +0000 | [diff] [blame] | 1314 | if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
| 1315 | // Swap in the global receiver. |
| 1316 | __ lw(receiver, |
| 1317 | FieldMemOperand( |
| 1318 | receiver, JSGlobalObject::kGlobalReceiverOffset)); |
| 1319 | } |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1320 | __ push(receiver); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1321 | ParameterCount actual(0); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1322 | ParameterCount expected(getter); |
| 1323 | __ InvokeFunction(getter, expected, actual, |
machenbach@chromium.org | e31286d | 2014-01-15 10:29:52 +0000 | [diff] [blame] | 1324 | CALL_FUNCTION, NullCallWrapper()); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1325 | } else { |
| 1326 | // If we generate a global code snippet for deoptimization only, remember |
| 1327 | // the place to continue after deoptimization. |
| 1328 | masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
| 1329 | } |
| 1330 | |
| 1331 | // Restore context register. |
| 1332 | __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 1333 | } |
| 1334 | __ Ret(); |
| 1335 | } |
| 1336 | |
| 1337 | |
| 1338 | #undef __ |
| 1339 | #define __ ACCESS_MASM(masm()) |
| 1340 | |
| 1341 | |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1342 | Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 1343 | Handle<HeapType> type, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1344 | Handle<GlobalObject> global, |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1345 | Handle<PropertyCell> cell, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1346 | Handle<Name> name, |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1347 | bool is_dont_delete) { |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1348 | Label miss; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1349 | |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 1350 | HandlerFrontendHeader(type, receiver(), global, name, &miss); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1351 | |
| 1352 | // Get the value from the cell. |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1353 | __ li(a3, Operand(cell)); |
danno@chromium.org | f95d4b9 | 2013-06-13 14:40:17 +0000 | [diff] [blame] | 1354 | __ lw(t0, FieldMemOperand(a3, Cell::kValueOffset)); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1355 | |
| 1356 | // Check for deleted property if property can actually be deleted. |
| 1357 | if (!is_dont_delete) { |
| 1358 | __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
| 1359 | __ Branch(&miss, eq, t0, Operand(at)); |
| 1360 | } |
| 1361 | |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1362 | Counters* counters = isolate()->counters(); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1363 | __ IncrementCounter(counters->named_load_global_stub(), 1, a1, a3); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1364 | __ Ret(USE_DELAY_SLOT); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1365 | __ mov(v0, t0); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1366 | |
machenbach@chromium.org | a03ba1e | 2014-02-01 08:54:43 +0000 | [diff] [blame] | 1367 | HandlerFrontendFooter(name, &miss); |
| 1368 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1369 | // Return the generated code. |
machenbach@chromium.org | e8412be | 2013-11-08 10:23:52 +0000 | [diff] [blame] | 1370 | return GetCode(kind(), Code::NORMAL, name); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1371 | } |
| 1372 | |
| 1373 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1374 | Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC( |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1375 | TypeHandleList* types, |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1376 | CodeHandleList* handlers, |
| 1377 | Handle<Name> name, |
| 1378 | Code::StubType type, |
| 1379 | IcCheckType check) { |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1380 | Label miss; |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1381 | |
machenbach@chromium.org | 43c51e5 | 2014-01-20 07:57:28 +0000 | [diff] [blame] | 1382 | if (check == PROPERTY && |
| 1383 | (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) { |
| 1384 | __ Branch(&miss, ne, this->name(), Operand(name)); |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1385 | } |
| 1386 | |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1387 | Label number_case; |
machenbach@chromium.org | 3a9c5d9 | 2014-02-21 08:10:27 +0000 | [diff] [blame] | 1388 | Register match = scratch1(); |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1389 | Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; |
machenbach@chromium.org | 3a9c5d9 | 2014-02-21 08:10:27 +0000 | [diff] [blame] | 1390 | __ JumpIfSmi(receiver(), smi_target, match); // Reg match is 0 if Smi. |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1391 | |
machenbach@chromium.org | 3a9c5d9 | 2014-02-21 08:10:27 +0000 | [diff] [blame] | 1392 | Register map_reg = scratch2(); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1393 | |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1394 | int receiver_count = types->length(); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1395 | int number_of_handled_maps = 0; |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1396 | __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1397 | for (int current = 0; current < receiver_count; ++current) { |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 1398 | Handle<HeapType> type = types->at(current); |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1399 | Handle<Map> map = IC::TypeToMap(*type, isolate()); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1400 | if (!map->is_deprecated()) { |
| 1401 | number_of_handled_maps++; |
machenbach@chromium.org | 3a9c5d9 | 2014-02-21 08:10:27 +0000 | [diff] [blame] | 1402 | // Check map and tail call if there's a match. |
| 1403 | // Separate compare from branch, to provide path for above JumpIfSmi(). |
| 1404 | __ Subu(match, map_reg, Operand(map)); |
machenbach@chromium.org | 6d26cbb | 2014-01-22 10:50:56 +0000 | [diff] [blame] | 1405 | if (type->Is(HeapType::Number())) { |
machenbach@chromium.org | b5be0a9 | 2013-11-15 10:32:41 +0000 | [diff] [blame] | 1406 | ASSERT(!number_case.is_unused()); |
| 1407 | __ bind(&number_case); |
| 1408 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1409 | __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, |
machenbach@chromium.org | 3a9c5d9 | 2014-02-21 08:10:27 +0000 | [diff] [blame] | 1410 | eq, match, Operand(zero_reg)); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1411 | } |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1412 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1413 | ASSERT(number_of_handled_maps != 0); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1414 | |
| 1415 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1416 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1417 | |
| 1418 | // Return the generated code. |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1419 | InlineCacheState state = |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1420 | number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; |
svenpanne@chromium.org | 9faefa4 | 2013-03-08 13:13:16 +0000 | [diff] [blame] | 1421 | return GetICCode(kind(), type, name, state); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1422 | } |
| 1423 | |
| 1424 | |
machenbach@chromium.org | 2904d1a | 2014-03-18 01:05:18 +0000 | [diff] [blame] | 1425 | void StoreStubCompiler::GenerateStoreArrayLength() { |
| 1426 | // Prepare tail call to StoreIC_ArrayLength. |
| 1427 | __ Push(receiver(), value()); |
| 1428 | |
| 1429 | ExternalReference ref = |
| 1430 | ExternalReference(IC_Utility(IC::kStoreIC_ArrayLength), |
| 1431 | masm()->isolate()); |
| 1432 | __ TailCallExternalReference(ref, 2, 1); |
| 1433 | } |
| 1434 | |
| 1435 | |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1436 | Handle<Code> KeyedStoreStubCompiler::CompileStorePolymorphic( |
| 1437 | MapHandleList* receiver_maps, |
| 1438 | CodeHandleList* handler_stubs, |
| 1439 | MapHandleList* transitioned_maps) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1440 | Label miss; |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1441 | __ JumpIfSmi(receiver(), &miss); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1442 | |
| 1443 | int receiver_count = receiver_maps->length(); |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1444 | __ lw(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 1445 | for (int i = 0; i < receiver_count; ++i) { |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1446 | if (transitioned_maps->at(i).is_null()) { |
| 1447 | __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq, |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1448 | scratch1(), Operand(receiver_maps->at(i))); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 1449 | } else { |
| 1450 | Label next_map; |
jkummerow@chromium.org | 4c54a2a | 2013-03-19 17:51:30 +0000 | [diff] [blame] | 1451 | __ Branch(&next_map, ne, scratch1(), Operand(receiver_maps->at(i))); |
| 1452 | __ li(transition_map(), Operand(transitioned_maps->at(i))); |
erik.corry@gmail.com | 6e28b56 | 2011-10-27 14:20:17 +0000 | [diff] [blame] | 1453 | __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 1454 | __ bind(&next_map); |
| 1455 | } |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1456 | } |
| 1457 | |
| 1458 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1459 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1460 | |
| 1461 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1462 | return GetICCode( |
| 1463 | kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1464 | } |
| 1465 | |
| 1466 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1467 | #undef __ |
| 1468 | #define __ ACCESS_MASM(masm) |
| 1469 | |
| 1470 | |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1471 | void KeyedLoadStubCompiler::GenerateLoadDictionaryElement( |
| 1472 | MacroAssembler* masm) { |
| 1473 | // ---------- S t a t e -------------- |
| 1474 | // -- ra : return address |
| 1475 | // -- a0 : key |
| 1476 | // -- a1 : receiver |
| 1477 | // ----------------------------------- |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1478 | Label slow, miss; |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1479 | |
| 1480 | Register key = a0; |
| 1481 | Register receiver = a1; |
| 1482 | |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1483 | __ JumpIfNotSmi(key, &miss); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1484 | __ lw(t0, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 1485 | __ sra(a2, a0, kSmiTagSize); |
| 1486 | __ LoadFromNumberDictionary(&slow, t0, a0, v0, a2, a3, t1); |
| 1487 | __ Ret(); |
| 1488 | |
| 1489 | // Slow case, key and receiver still in a0 and a1. |
| 1490 | __ bind(&slow); |
| 1491 | __ IncrementCounter( |
| 1492 | masm->isolate()->counters()->keyed_load_external_array_slow(), |
| 1493 | 1, a2, a3); |
| 1494 | // Entry registers are intact. |
| 1495 | // ---------- S t a t e -------------- |
| 1496 | // -- ra : return address |
| 1497 | // -- a0 : key |
| 1498 | // -- a1 : receiver |
| 1499 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1500 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1501 | |
| 1502 | // Miss case, call the runtime. |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1503 | __ bind(&miss); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1504 | |
| 1505 | // ---------- S t a t e -------------- |
| 1506 | // -- ra : return address |
| 1507 | // -- a0 : key |
| 1508 | // -- a1 : receiver |
| 1509 | // ----------------------------------- |
machenbach@chromium.org | af9cfcb | 2013-11-19 11:05:18 +0000 | [diff] [blame] | 1510 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1511 | } |
| 1512 | |
| 1513 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1514 | #undef __ |
| 1515 | |
| 1516 | } } // namespace v8::internal |
| 1517 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 1518 | #endif // V8_TARGET_ARCH_MIPS |