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Issue 1077523002: X87: Make --always-opt also optimize top-level code (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X87 7 #if V8_TARGET_ARCH_X87
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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217 } 217 }
218 } 218 }
219 } 219 }
220 220
221 // Possibly allocate a local context. 221 // Possibly allocate a local context.
222 int heap_slots = info_->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; 222 int heap_slots = info_->num_heap_slots() - Context::MIN_CONTEXT_SLOTS;
223 if (heap_slots > 0) { 223 if (heap_slots > 0) {
224 Comment(";;; Allocate local context"); 224 Comment(";;; Allocate local context");
225 bool need_write_barrier = true; 225 bool need_write_barrier = true;
226 // Argument to NewContext is the function, which is still in edi. 226 // Argument to NewContext is the function, which is still in edi.
227 DCHECK(!info()->scope()->is_script_scope());
227 if (heap_slots <= FastNewContextStub::kMaximumSlots) { 228 if (heap_slots <= FastNewContextStub::kMaximumSlots) {
228 FastNewContextStub stub(isolate(), heap_slots); 229 FastNewContextStub stub(isolate(), heap_slots);
229 __ CallStub(&stub); 230 __ CallStub(&stub);
230 // Result of FastNewContextStub is always in new space. 231 // Result of FastNewContextStub is always in new space.
231 need_write_barrier = false; 232 need_write_barrier = false;
232 } else { 233 } else {
233 __ push(edi); 234 __ push(edi);
234 __ CallRuntime(Runtime::kNewFunctionContext, 1); 235 __ CallRuntime(Runtime::kNewFunctionContext, 1);
235 } 236 }
236 RecordSafepoint(Safepoint::kNoLazyDeopt); 237 RecordSafepoint(Safepoint::kNoLazyDeopt);
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6370 CallRuntime(Runtime::kPushBlockContext, 2, instr); 6371 CallRuntime(Runtime::kPushBlockContext, 2, instr);
6371 RecordSafepoint(Safepoint::kNoLazyDeopt); 6372 RecordSafepoint(Safepoint::kNoLazyDeopt);
6372 } 6373 }
6373 6374
6374 6375
6375 #undef __ 6376 #undef __
6376 6377
6377 } } // namespace v8::internal 6378 } } // namespace v8::internal
6378 6379
6379 #endif // V8_TARGET_ARCH_X87 6380 #endif // V8_TARGET_ARCH_X87
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