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Side by Side Diff: src/compiler/mips/code-generator-mips.cc

Issue 1297203002: Add CompileInfo::GetDebugName() (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@interpreter_immed_bytecodes
Patch Set: Fix test crash Created 5 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 #include "src/compiler/code-generator-impl.h" 6 #include "src/compiler/code-generator-impl.h"
7 #include "src/compiler/gap-resolver.h" 7 #include "src/compiler/gap-resolver.h"
8 #include "src/compiler/node-matchers.h" 8 #include "src/compiler/node-matchers.h"
9 #include "src/compiler/osr.h" 9 #include "src/compiler/osr.h"
10 #include "src/mips/macro-assembler-mips.h" 10 #include "src/mips/macro-assembler-mips.h"
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1354 1354
1355 1355
1356 void CodeGenerator::AddNopForSmiCodeInlining() { 1356 void CodeGenerator::AddNopForSmiCodeInlining() {
1357 // Unused on 32-bit ARM. Still exists on 64-bit arm. 1357 // Unused on 32-bit ARM. Still exists on 64-bit arm.
1358 // TODO(plind): Unclear when this is called now. Understand, fix if needed. 1358 // TODO(plind): Unclear when this is called now. Understand, fix if needed.
1359 __ nop(); // Maybe PROPERTY_ACCESS_INLINED? 1359 __ nop(); // Maybe PROPERTY_ACCESS_INLINED?
1360 } 1360 }
1361 1361
1362 1362
1363 void CodeGenerator::EnsureSpaceForLazyDeopt() { 1363 void CodeGenerator::EnsureSpaceForLazyDeopt() {
1364 if (!info()->ShouldEnsureSpaceForLazyDeopt()) {
1365 return;
1366 }
1367
1364 int space_needed = Deoptimizer::patch_size(); 1368 int space_needed = Deoptimizer::patch_size();
1365 if (!info()->IsStub()) { 1369 // Ensure that we have enough space after the previous lazy-bailout
1366 // Ensure that we have enough space after the previous lazy-bailout 1370 // instruction for patching the code here.
1367 // instruction for patching the code here. 1371 int current_pc = masm()->pc_offset();
1368 int current_pc = masm()->pc_offset(); 1372 if (current_pc < last_lazy_deopt_pc_ + space_needed) {
1369 if (current_pc < last_lazy_deopt_pc_ + space_needed) { 1373 // Block tramoline pool emission for duration of padding.
1370 // Block tramoline pool emission for duration of padding. 1374 v8::internal::Assembler::BlockTrampolinePoolScope block_trampoline_pool(
1371 v8::internal::Assembler::BlockTrampolinePoolScope block_trampoline_pool( 1375 masm());
1372 masm()); 1376 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
1373 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 1377 DCHECK_EQ(0, padding_size % v8::internal::Assembler::kInstrSize);
1374 DCHECK_EQ(0, padding_size % v8::internal::Assembler::kInstrSize); 1378 while (padding_size > 0) {
1375 while (padding_size > 0) { 1379 __ nop();
1376 __ nop(); 1380 padding_size -= v8::internal::Assembler::kInstrSize;
1377 padding_size -= v8::internal::Assembler::kInstrSize;
1378 }
1379 } 1381 }
1380 } 1382 }
1381 } 1383 }
1382 1384
1383 #undef __ 1385 #undef __
1384 1386
1385 } // namespace compiler 1387 } // namespace compiler
1386 } // namespace internal 1388 } // namespace internal
1387 } // namespace v8 1389 } // namespace v8
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