PPC: VectorICs: megamorphic keyed loads in crankshaft don't need a vector.

Port c8e4d57d3b3036a05902f5b916cb5d853a57393c

Original commit message:
They are content with a dummy vector, as MISSES won't result in
changing the real vector/slot at all.

R=mvstanton@chromium.org, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1085913003

Cr-Commit-Position: refs/heads/master@{#27850}

diff --git a/src/ppc/lithium-codegen-ppc.cc b/src/ppc/lithium-codegen-ppc.cc
index ae86806..793658e 100644 (file)
--- a/src/ppc/lithium-codegen-ppc.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -3543,7 +3543,7 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister()));
 
-  if (FLAG_vector_ics) {
+  if (instr->hydrogen()->HasVectorAndSlot()) {
     EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
   }