OLD | NEW |
1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
10 #include "vm/compiler.h" | 10 #include "vm/compiler.h" |
(...skipping 2132 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2143 __ lw(right, Address(SP, 0 * kWordSize)); | 2143 __ lw(right, Address(SP, 0 * kWordSize)); |
2144 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp1, temp2); | 2144 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp1, temp2); |
2145 __ Ret(); | 2145 __ Ret(); |
2146 } | 2146 } |
2147 | 2147 |
2148 | 2148 |
2149 // Called from megamorphic calls. | 2149 // Called from megamorphic calls. |
2150 // T0: receiver | 2150 // T0: receiver |
2151 // S5: MegamorphicCache (preserved) | 2151 // S5: MegamorphicCache (preserved) |
2152 // Result: | 2152 // Result: |
2153 // T1: target entry point | |
2154 // CODE_REG: target Code | |
2155 // S4: arguments descriptor | 2153 // S4: arguments descriptor |
2156 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) { | 2154 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) { |
| 2155 __ NoMonomorphicCheckedEntry(); |
| 2156 |
2157 __ LoadTaggedClassIdMayBeSmi(T0, T0); | 2157 __ LoadTaggedClassIdMayBeSmi(T0, T0); |
2158 // T0: class ID of the receiver (smi). | 2158 // T0: class ID of the receiver (smi). |
2159 __ lw(S4, FieldAddress(S5, MegamorphicCache::arguments_descriptor_offset())); | 2159 __ lw(S4, FieldAddress(S5, MegamorphicCache::arguments_descriptor_offset())); |
2160 __ lw(T2, FieldAddress(S5, MegamorphicCache::buckets_offset())); | 2160 __ lw(T2, FieldAddress(S5, MegamorphicCache::buckets_offset())); |
2161 __ lw(T1, FieldAddress(S5, MegamorphicCache::mask_offset())); | 2161 __ lw(T1, FieldAddress(S5, MegamorphicCache::mask_offset())); |
2162 // T2: cache buckets array. | 2162 // T2: cache buckets array. |
2163 // T1: mask. | 2163 // T1: mask. |
2164 __ LoadImmediate(TMP, MegamorphicCache::kSpreadFactor); | 2164 __ LoadImmediate(TMP, MegamorphicCache::kSpreadFactor); |
2165 __ mult(TMP, T0); | 2165 __ mult(TMP, T0); |
2166 __ mflo(T3); | 2166 __ mflo(T3); |
(...skipping 20 matching lines...) Expand all Loading... |
2187 // Call the target found in the cache. For a class id match, this is a | 2187 // Call the target found in the cache. For a class id match, this is a |
2188 // proper target for the given name and arguments descriptor. If the | 2188 // proper target for the given name and arguments descriptor. If the |
2189 // illegal class id was found, the target is a cache miss handler that can | 2189 // illegal class id was found, the target is a cache miss handler that can |
2190 // be invoked as a normal Dart function. | 2190 // be invoked as a normal Dart function. |
2191 __ sll(T1, T3, 2); | 2191 __ sll(T1, T3, 2); |
2192 __ addu(T1, T2, T1); | 2192 __ addu(T1, T2, T1); |
2193 __ lw(T0, FieldAddress(T1, base + kWordSize)); | 2193 __ lw(T0, FieldAddress(T1, base + kWordSize)); |
2194 | 2194 |
2195 __ lw(T1, FieldAddress(T0, Function::entry_point_offset())); | 2195 __ lw(T1, FieldAddress(T0, Function::entry_point_offset())); |
2196 __ lw(CODE_REG, FieldAddress(T0, Function::code_offset())); | 2196 __ lw(CODE_REG, FieldAddress(T0, Function::code_offset())); |
2197 __ Ret(); | 2197 __ jr(T1); |
2198 } | 2198 } |
2199 | 2199 |
2200 | 2200 |
2201 // Called from switchable IC calls. | 2201 // Called from switchable IC calls. |
2202 // T0: receiver | 2202 // T0: receiver |
2203 // S5: ICData (preserved) | 2203 // S5: ICData (preserved) |
2204 // Result: | 2204 // Result: |
2205 // T1: target entry point | |
2206 // CODE_REG: target Code object | 2205 // CODE_REG: target Code object |
2207 // S4: arguments descriptor | 2206 // S4: arguments descriptor |
2208 void StubCode::GenerateICLookupThroughFunctionStub(Assembler* assembler) { | 2207 void StubCode::GenerateICLookupThroughFunctionStub(Assembler* assembler) { |
| 2208 __ NoMonomorphicCheckedEntry(); |
| 2209 |
2209 Label loop, found, miss; | 2210 Label loop, found, miss; |
2210 __ lw(T6, FieldAddress(S5, ICData::ic_data_offset())); | 2211 __ lw(T6, FieldAddress(S5, ICData::ic_data_offset())); |
2211 __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset())); | 2212 __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset())); |
2212 __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag); | 2213 __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag); |
2213 // T6: first IC entry. | 2214 // T6: first IC entry. |
2214 __ LoadTaggedClassIdMayBeSmi(T1, T0); | 2215 __ LoadTaggedClassIdMayBeSmi(T1, T0); |
2215 // T1: receiver cid as Smi | 2216 // T1: receiver cid as Smi |
2216 | 2217 |
2217 __ Bind(&loop); | 2218 __ Bind(&loop); |
2218 __ lw(T2, Address(T6, 0)); | 2219 __ lw(T2, Address(T6, 0)); |
2219 __ beq(T1, T2, &found); | 2220 __ beq(T1, T2, &found); |
2220 ASSERT(Smi::RawValue(kIllegalCid) == 0); | 2221 ASSERT(Smi::RawValue(kIllegalCid) == 0); |
2221 __ beq(T2, ZR, &miss); | 2222 __ beq(T2, ZR, &miss); |
2222 | 2223 |
2223 const intptr_t entry_length = ICData::TestEntryLengthFor(1) * kWordSize; | 2224 const intptr_t entry_length = ICData::TestEntryLengthFor(1) * kWordSize; |
2224 __ AddImmediate(T6, entry_length); // Next entry. | 2225 __ AddImmediate(T6, entry_length); // Next entry. |
2225 __ b(&loop); | 2226 __ b(&loop); |
2226 | 2227 |
2227 __ Bind(&found); | 2228 __ Bind(&found); |
2228 const intptr_t target_offset = ICData::TargetIndexFor(1) * kWordSize; | 2229 const intptr_t target_offset = ICData::TargetIndexFor(1) * kWordSize; |
2229 __ lw(T0, Address(T6, target_offset)); | 2230 __ lw(T0, Address(T6, target_offset)); |
2230 __ lw(T1, FieldAddress(T0, Function::entry_point_offset())); | 2231 __ lw(T1, FieldAddress(T0, Function::entry_point_offset())); |
2231 __ lw(CODE_REG, FieldAddress(T0, Function::code_offset())); | 2232 __ lw(CODE_REG, FieldAddress(T0, Function::code_offset())); |
2232 __ Ret(); | 2233 __ jr(T1); |
2233 | 2234 |
2234 __ Bind(&miss); | 2235 __ Bind(&miss); |
2235 __ LoadIsolate(T2); | 2236 __ LoadIsolate(T2); |
2236 __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset())); | 2237 __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset())); |
2237 __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset())); | 2238 __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset())); |
2238 __ Ret(); | 2239 __ jr(T1); |
2239 } | 2240 } |
2240 | 2241 |
2241 | 2242 |
2242 void StubCode::GenerateICLookupThroughCodeStub(Assembler* assembler) { | 2243 void StubCode::GenerateICLookupThroughCodeStub(Assembler* assembler) { |
| 2244 __ NoMonomorphicCheckedEntry(); |
| 2245 |
2243 Label loop, found, miss; | 2246 Label loop, found, miss; |
2244 __ lw(T6, FieldAddress(S5, ICData::ic_data_offset())); | 2247 __ lw(T6, FieldAddress(S5, ICData::ic_data_offset())); |
2245 __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset())); | 2248 __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset())); |
2246 __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag); | 2249 __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag); |
2247 // T6: first IC entry. | 2250 // T6: first IC entry. |
2248 __ LoadTaggedClassIdMayBeSmi(T1, T0); | 2251 __ LoadTaggedClassIdMayBeSmi(T1, T0); |
2249 // T1: receiver cid as Smi | 2252 // T1: receiver cid as Smi |
2250 | 2253 |
2251 __ Bind(&loop); | 2254 __ Bind(&loop); |
2252 __ lw(T2, Address(T6, 0)); | 2255 __ lw(T2, Address(T6, 0)); |
2253 __ beq(T1, T2, &found); | 2256 __ beq(T1, T2, &found); |
2254 ASSERT(Smi::RawValue(kIllegalCid) == 0); | 2257 ASSERT(Smi::RawValue(kIllegalCid) == 0); |
2255 __ beq(T2, ZR, &miss); | 2258 __ beq(T2, ZR, &miss); |
2256 | 2259 |
2257 const intptr_t entry_length = ICData::TestEntryLengthFor(1) * kWordSize; | 2260 const intptr_t entry_length = ICData::TestEntryLengthFor(1) * kWordSize; |
2258 __ AddImmediate(T6, entry_length); // Next entry. | 2261 __ AddImmediate(T6, entry_length); // Next entry. |
2259 __ b(&loop); | 2262 __ b(&loop); |
2260 | 2263 |
2261 __ Bind(&found); | 2264 __ Bind(&found); |
2262 const intptr_t code_offset = ICData::CodeIndexFor(1) * kWordSize; | 2265 const intptr_t code_offset = ICData::CodeIndexFor(1) * kWordSize; |
2263 const intptr_t entry_offset = ICData::EntryPointIndexFor(1) * kWordSize; | 2266 const intptr_t entry_offset = ICData::EntryPointIndexFor(1) * kWordSize; |
2264 __ lw(T1, Address(T6, entry_offset)); | 2267 __ lw(T1, Address(T6, entry_offset)); |
2265 __ lw(CODE_REG, Address(T6, code_offset)); | 2268 __ lw(CODE_REG, Address(T6, code_offset)); |
2266 __ Ret(); | 2269 __ jr(T1); |
2267 | 2270 |
2268 __ Bind(&miss); | 2271 __ Bind(&miss); |
2269 __ LoadIsolate(T2); | 2272 __ LoadIsolate(T2); |
2270 __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset())); | 2273 __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset())); |
2271 __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset())); | 2274 __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset())); |
2272 __ Ret(); | 2275 __ jr(T1); |
2273 } | 2276 } |
2274 | 2277 |
2275 | 2278 |
| 2279 // Called from the monomorphic checked entry. |
| 2280 // T0: receiver |
| 2281 void StubCode::GenerateMonomorphicMissStub(Assembler* assembler) { |
| 2282 __ EnterStubFrame(); |
| 2283 __ Push(T0); // Preserve receiver. |
| 2284 |
| 2285 __ PushObject(Object::null_object()); // Result. |
| 2286 __ Push(T0); // Arg0: Receiver |
| 2287 __ CallRuntime(kMonomorphicMissRuntimeEntry, 1); |
| 2288 __ Drop(1); |
| 2289 __ Pop(S5); // result = IC |
| 2290 |
| 2291 __ Pop(T0); // Restore receiver. |
| 2292 __ LeaveStubFrame(); |
| 2293 |
| 2294 __ lw(CODE_REG, Address(THR, Thread::ic_lookup_through_code_stub_offset())); |
| 2295 __ lw(T1, FieldAddress(CODE_REG, Code::checked_entry_point_offset())); |
| 2296 __ jr(T1); |
| 2297 } |
| 2298 |
| 2299 |
2276 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { | 2300 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { |
2277 __ break_(0); | 2301 __ break_(0); |
2278 } | 2302 } |
2279 | 2303 |
2280 } // namespace dart | 2304 } // namespace dart |
2281 | 2305 |
2282 #endif // defined TARGET_ARCH_MIPS | 2306 #endif // defined TARGET_ARCH_MIPS |
OLD | NEW |