runtime/vm/intermediate_language_mips.cc - Issue 313083008: Add LoadTaggedClassIdMayBeSmi to assembly and improve performance of inline cache stubs.

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Unified Diff: runtime/vm/intermediate_language_mips.cc

Issue 313083008: Add LoadTaggedClassIdMayBeSmi to assembly and improve performance of inline cache stubs. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years, 6 months ago

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Index: runtime/vm/intermediate_language_mips.cc

===================================================================

--- runtime/vm/intermediate_language_mips.cc (revision 37007)

+++ runtime/vm/intermediate_language_mips.cc (working copy)

@@ -1019,15 +1019,7 @@

void LoadClassIdInstr::EmitNativeCode(FlowGraphCompiler* compiler) {

- Label load, done;

- __ andi(CMPRES1, object, Immediate(kSmiTagMask));

- __ bne(CMPRES1, ZR, &load);

- __ LoadImmediate(result, Smi::RawValue(kSmiCid));

- __ b(&done);

- __ Bind(&load);

- __ LoadClassId(result, object);

- __ SmiTag(result);

- __ Bind(&done);

+ __ LoadTaggedClassIdMayBeSmi(result, object);

}

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