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Unified Diff: src/ic/mips64/handler-compiler-mips64.cc

Issue 769733003: Do not embed constant functions in StoreTransition stub. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Check that registers do not overlap Created 6 years ago
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Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc b/src/ic/mips64/handler-compiler-mips64.cc
index 6a35d6c17475ba66d4a0a7579e241f1e220208ee..df87625e56a85473d1cf84d586d4e9864c068665 100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -333,11 +333,18 @@ void NamedStoreHandlerCompiler::GenerateRestoreMap(Handle<Map> transition,
}
-void NamedStoreHandlerCompiler::GenerateConstantCheck(Object* constant,
+void NamedStoreHandlerCompiler::GenerateConstantCheck(Register map_reg,
+ int descriptor,
Register value_reg,
+ Register scratch,
Label* miss_label) {
- __ li(scratch1(), handle(constant, isolate()));
- __ Branch(miss_label, ne, value_reg, Operand(scratch1()));
+ DCHECK(!map_reg.is(scratch));
+ DCHECK(!map_reg.is(value_reg));
+ DCHECK(!value_reg.is(scratch));
+ __ LoadInstanceDescriptors(map_reg, scratch);
+ __ ld(scratch,
+ FieldMemOperand(scratch, DescriptorArray::GetValueOffset(descriptor)));
+ __ Branch(miss_label, ne, value_reg, Operand(scratch));
}
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