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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" // Needed here to get TARGET_ARCH_MIPS. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. |
6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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269 __ LoadObject(S4, arguments_descriptor); | 269 __ LoadObject(S4, arguments_descriptor); |
270 | 270 |
271 // Load closure function code in T2. | 271 // Load closure function code in T2. |
272 // S4: arguments descriptor array. | 272 // S4: arguments descriptor array. |
273 // S5: Smi 0 (no IC data; the lazy-compile stub expects a GC-safe value). | 273 // S5: Smi 0 (no IC data; the lazy-compile stub expects a GC-safe value). |
274 ASSERT(locs()->in(0).reg() == T0); | 274 ASSERT(locs()->in(0).reg() == T0); |
275 __ LoadImmediate(S5, 0); | 275 __ LoadImmediate(S5, 0); |
276 __ lw(T2, FieldAddress(T0, Function::instructions_offset())); | 276 __ lw(T2, FieldAddress(T0, Function::instructions_offset())); |
277 __ AddImmediate(T2, Instructions::HeaderSize() - kHeapObjectTag); | 277 __ AddImmediate(T2, Instructions::HeaderSize() - kHeapObjectTag); |
278 __ jalr(T2); | 278 __ jalr(T2); |
279 compiler->AddCurrentDescriptor(RawPcDescriptors::kClosureCall, | |
280 deopt_id(), | |
281 token_pos()); | |
282 compiler->RecordSafepoint(locs()); | 279 compiler->RecordSafepoint(locs()); |
283 // Marks either the continuation point in unoptimized code or the | 280 // Marks either the continuation point in unoptimized code or the |
284 // deoptimization point in optimized code, after call. | 281 // deoptimization point in optimized code, after call. |
285 const intptr_t deopt_id_after = Isolate::ToDeoptAfter(deopt_id()); | 282 const intptr_t deopt_id_after = Isolate::ToDeoptAfter(deopt_id()); |
286 if (compiler->is_optimizing()) { | 283 if (compiler->is_optimizing()) { |
287 compiler->AddDeoptIndexAtCall(deopt_id_after, token_pos()); | 284 compiler->AddDeoptIndexAtCall(deopt_id_after, token_pos()); |
288 } else { | |
289 // Add deoptimization continuation point after the call and before the | |
290 // arguments are removed. | |
291 compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, | |
292 deopt_id_after, | |
293 token_pos()); | |
294 } | 285 } |
| 286 // Add deoptimization continuation point after the call and before the |
| 287 // arguments are removed. |
| 288 // In optimized code this descriptor is needed for exception handling. |
| 289 compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, |
| 290 deopt_id_after, |
| 291 token_pos()); |
295 __ Drop(argument_count); | 292 __ Drop(argument_count); |
296 } | 293 } |
297 | 294 |
298 | 295 |
299 LocationSummary* LoadLocalInstr::MakeLocationSummary(Zone* zone, | 296 LocationSummary* LoadLocalInstr::MakeLocationSummary(Zone* zone, |
300 bool opt) const { | 297 bool opt) const { |
301 return LocationSummary::Make(zone, | 298 return LocationSummary::Make(zone, |
302 0, | 299 0, |
303 Location::RequiresRegister(), | 300 Location::RequiresRegister(), |
304 LocationSummary::kNoCall); | 301 LocationSummary::kNoCall); |
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5626 1, | 5623 1, |
5627 locs()); | 5624 locs()); |
5628 __ lw(result, Address(SP, 1 * kWordSize)); | 5625 __ lw(result, Address(SP, 1 * kWordSize)); |
5629 __ addiu(SP, SP, Immediate(2 * kWordSize)); | 5626 __ addiu(SP, SP, Immediate(2 * kWordSize)); |
5630 } | 5627 } |
5631 | 5628 |
5632 | 5629 |
5633 } // namespace dart | 5630 } // namespace dart |
5634 | 5631 |
5635 #endif // defined TARGET_ARCH_MIPS | 5632 #endif // defined TARGET_ARCH_MIPS |
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