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Issue 1037863003: MIPS64: [turbofan] Fix loading of JSFunction from activation in case of adapter frame. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 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/mips/macro-assembler-mips.h" 9 #include "src/mips/macro-assembler-mips.h"
10 #include "src/scopes.h" 10 #include "src/scopes.h"
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1044 // TurboFan OSR-compiled functions cannot be entered directly. 1044 // TurboFan OSR-compiled functions cannot be entered directly.
1045 __ Abort(kShouldNotDirectlyEnterOsrFunction); 1045 __ Abort(kShouldNotDirectlyEnterOsrFunction);
1046 1046
1047 // Unoptimized code jumps directly to this entrypoint while the unoptimized 1047 // Unoptimized code jumps directly to this entrypoint while the unoptimized
1048 // frame is still on the stack. Optimized code uses OSR values directly from 1048 // frame is still on the stack. Optimized code uses OSR values directly from
1049 // the unoptimized frame. Thus, all that needs to be done is to allocate the 1049 // the unoptimized frame. Thus, all that needs to be done is to allocate the
1050 // remaining stack slots. 1050 // remaining stack slots.
1051 if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); 1051 if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --");
1052 osr_pc_offset_ = __ pc_offset(); 1052 osr_pc_offset_ = __ pc_offset();
1053 // TODO(titzer): cannot address target function == local #-1 1053 // TODO(titzer): cannot address target function == local #-1
1054 __ lw(a1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1054 __ ld(a1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1055 DCHECK(stack_slots >= frame()->GetOsrStackSlotCount()); 1055 DCHECK(stack_slots >= frame()->GetOsrStackSlotCount());
1056 stack_slots -= frame()->GetOsrStackSlotCount(); 1056 stack_slots -= frame()->GetOsrStackSlotCount();
1057 } 1057 }
1058 1058
1059 if (stack_slots > 0) { 1059 if (stack_slots > 0) {
1060 __ Dsubu(sp, sp, Operand(stack_slots * kPointerSize)); 1060 __ Dsubu(sp, sp, Operand(stack_slots * kPointerSize));
1061 } 1061 }
1062 } 1062 }
1063 1063
1064 1064
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1288 } 1288 }
1289 } 1289 }
1290 MarkLazyDeoptSite(); 1290 MarkLazyDeoptSite();
1291 } 1291 }
1292 1292
1293 #undef __ 1293 #undef __
1294 1294
1295 } // namespace compiler 1295 } // namespace compiler
1296 } // namespace internal 1296 } // namespace internal
1297 } // namespace v8 1297 } // namespace v8
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