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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/codegen.h" | 5 #include "src/codegen.h" |
6 #include "src/deoptimizer.h" | 6 #include "src/deoptimizer.h" |
7 #include "src/full-codegen/full-codegen.h" | 7 #include "src/full-codegen/full-codegen.h" |
8 #include "src/register-configuration.h" | 8 #include "src/register-configuration.h" |
9 #include "src/safepoint-table.h" | 9 #include "src/safepoint-table.h" |
10 | 10 |
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230 // a0: deoptimizer object; a1: scratch. | 230 // a0: deoptimizer object; a1: scratch. |
231 __ PrepareCallCFunction(1, a1); | 231 __ PrepareCallCFunction(1, a1); |
232 // Call Deoptimizer::ComputeOutputFrames(). | 232 // Call Deoptimizer::ComputeOutputFrames(). |
233 { | 233 { |
234 AllowExternalCallThatCantCauseGC scope(masm()); | 234 AllowExternalCallThatCantCauseGC scope(masm()); |
235 __ CallCFunction( | 235 __ CallCFunction( |
236 ExternalReference::compute_output_frames_function(isolate()), 1); | 236 ExternalReference::compute_output_frames_function(isolate()), 1); |
237 } | 237 } |
238 __ pop(a0); // Restore deoptimizer object (class Deoptimizer). | 238 __ pop(a0); // Restore deoptimizer object (class Deoptimizer). |
239 | 239 |
| 240 __ ld(sp, MemOperand(a0, Deoptimizer::caller_frame_top_offset())); |
| 241 |
240 // Replace the current (input) frame with the output frames. | 242 // Replace the current (input) frame with the output frames. |
241 Label outer_push_loop, inner_push_loop, | 243 Label outer_push_loop, inner_push_loop, |
242 outer_loop_header, inner_loop_header; | 244 outer_loop_header, inner_loop_header; |
243 // Outer loop state: a4 = current "FrameDescription** output_", | 245 // Outer loop state: a4 = current "FrameDescription** output_", |
244 // a1 = one past the last FrameDescription**. | 246 // a1 = one past the last FrameDescription**. |
245 __ lw(a1, MemOperand(a0, Deoptimizer::output_count_offset())); | 247 __ lw(a1, MemOperand(a0, Deoptimizer::output_count_offset())); |
246 __ ld(a4, MemOperand(a0, Deoptimizer::output_offset())); // a4 is output_. | 248 __ ld(a4, MemOperand(a0, Deoptimizer::output_offset())); // a4 is output_. |
247 __ Dlsa(a1, a4, a1, kPointerSizeLog2); | 249 __ Dlsa(a1, a4, a1, kPointerSizeLog2); |
248 __ BranchShort(&outer_loop_header); | 250 __ BranchShort(&outer_loop_header); |
249 __ bind(&outer_push_loop); | 251 __ bind(&outer_push_loop); |
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380 // No embedded constant pool support. | 382 // No embedded constant pool support. |
381 UNREACHABLE(); | 383 UNREACHABLE(); |
382 } | 384 } |
383 | 385 |
384 | 386 |
385 #undef __ | 387 #undef __ |
386 | 388 |
387 | 389 |
388 } // namespace internal | 390 } // namespace internal |
389 } // namespace v8 | 391 } // namespace v8 |
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