Array index computation dehoisting.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 5adaf431bd702ff88a4565897b4698949d3a7736..1e6383f7a7ca97466790d44f2510db67e8077d40 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1958,7 +1958,8 @@ LInstruction* LChunkBuilder::DoLoadKeyedFastElement(
   ASSERT(instr->key()->representation().IsInteger32());
   LOperand* obj = UseRegisterAtStart(instr->object());
   LOperand* key = UseRegisterOrConstantAtStart(instr->key());
-  LLoadKeyedFastElement* result = new(zone()) LLoadKeyedFastElement(obj, key);
+  LLoadKeyedFastElement* result =

[Jakob Kummerow, 2012/05/15 15:53:23]

nit: why this change?

+      new(zone()) LLoadKeyedFastElement(obj, key);
   if (instr->RequiresHoleCheck()) AssignEnvironment(result);
   return DefineAsRegister(result);
 }
@@ -1990,8 +1991,7 @@ LInstruction* LChunkBuilder::DoLoadKeyedSpecializedArrayElement(
   LOperand* external_pointer = UseRegister(instr->external_pointer());
   LOperand* key = UseRegisterOrConstant(instr->key());
   LLoadKeyedSpecializedArrayElement* result =
-      new(zone()) LLoadKeyedSpecializedArrayElement(external_pointer,
-                                            key);
+      new(zone()) LLoadKeyedSpecializedArrayElement(external_pointer, key);
   LInstruction* load_instr = DefineAsRegister(result);
   // An unsigned int array load might overflow and cause a deopt, make sure it
   // has an environment.