PPC: [ic] Introduce BOOLEAN state for CompareIC.

src/ppc/code-stubs-ppc.cc

Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index 434c064521ce489ed91cf0271e1727817deaefd5..9eba2ed906d3f4a3c9cb689c80457cf52e6ce30a 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -3583,6 +3583,30 @@ void BinaryOpICWithAllocationSiteStub::Generate(MacroAssembler* masm) {
 }
 
 
+void CompareICStub::GenerateBooleans(MacroAssembler* masm) {
+  DCHECK_EQ(CompareICState::BOOLEAN, state());
+  Label miss;
+
+  __ CheckMap(r4, r5, Heap::kBooleanMapRootIndex, &miss, DO_SMI_CHECK);
+  __ CheckMap(r3, r6, Heap::kBooleanMapRootIndex, &miss, DO_SMI_CHECK);
+  if (op() != Token::EQ_STRICT && is_strong(strength())) {
+    __ TailCallRuntime(Runtime::kThrowStrongModeImplicitConversion, 0, 1);
+  } else {
+    if (!Token::IsEqualityOp(op())) {
+      __ LoadP(r4, FieldMemOperand(r4, Oddball::kToNumberOffset));
+      __ AssertSmi(r4);
+      __ LoadP(r3, FieldMemOperand(r3, Oddball::kToNumberOffset));
+      __ AssertSmi(r3);
+    }
+    __ sub(r3, r4, r3);
+    __ Ret();
+  }
+
+  __ bind(&miss);
+  GenerateMiss(masm);
+}
+
+
 void CompareICStub::GenerateSmis(MacroAssembler* masm) {
   DCHECK(state() == CompareICState::SMI);
   Label miss;