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Unified Diff: runtime/vm/flow_graph_compiler_arm.cc

Issue 314783003: Eliminates some branches from arm code. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 7 months ago
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Index: runtime/vm/flow_graph_compiler_arm.cc
===================================================================
--- runtime/vm/flow_graph_compiler_arm.cc (revision 36949)
+++ runtime/vm/flow_graph_compiler_arm.cc (working copy)
@@ -1239,14 +1239,11 @@
Label not_smi, load_cache;
__ LoadFromOffset(kWord, R0, SP, (argument_count - 1) * kWordSize);
__ tst(R0, Operand(kSmiTagMask));
- __ b(&not_smi, NE);
- __ mov(R0, Operand(Smi::RawValue(kSmiCid)));
- __ b(&load_cache);
+ __ LoadClassId(R0, R0, NE);
+ __ SmiTag(R0, NE);
+ __ mov(R0, Operand(Smi::RawValue(kSmiCid)), EQ);
+ __ b(&load_cache, EQ);
- __ Bind(&not_smi);
- __ LoadClassId(R0, R0);
- __ SmiTag(R0);
-
// R0: class ID of the receiver (smi).
__ Bind(&load_cache);
__ LoadObject(R1, cache);
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