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Unified Diff: src/full-codegen/s390/full-codegen-s390.cc

Issue 2266843002: Drop is_eval_scope when checking how to access dynamic globals. It has no influence (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 4 months ago
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Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index 18e09a9af849ebb26bb9aa3723536565148c1376..80996221600e3dab001ba53e7ba9980ad1871165 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -1130,29 +1130,10 @@ void FullCodeGenerator::EmitLoadGlobalCheckExtensions(VariableProxy* proxy,
}
// If no outer scope calls eval, we do not need to check more
// context extensions.
- if (!s->outer_scope_calls_sloppy_eval() || s->is_eval_scope()) break;
+ if (!s->outer_scope_calls_sloppy_eval()) break;
s = s->outer_scope();
}
- if (s->is_eval_scope()) {
- Label loop, fast;
- if (!current.is(next)) {
- __ Move(next, current);
- }
- __ bind(&loop);
- // Terminate at native context.
- __ LoadP(temp, FieldMemOperand(next, HeapObject::kMapOffset));
- __ CompareRoot(temp, Heap::kNativeContextMapRootIndex);
- __ beq(&fast, Label::kNear);
- // Check that extension is "the hole".
- __ LoadP(temp, ContextMemOperand(next, Context::EXTENSION_INDEX));
- __ JumpIfNotRoot(temp, Heap::kTheHoleValueRootIndex, slow);
- // Load next context in chain.
- __ LoadP(next, ContextMemOperand(next, Context::PREVIOUS_INDEX));
- __ b(&loop);
- __ bind(&fast);
- }
-
// All extension objects were empty and it is safe to use a normal global
// load machinery.
EmitGlobalVariableLoad(proxy, typeof_mode);
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