Remove strong mode support from binary operations.

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 8cfb69b8e7bb886b331f165ca7d6a4cea0a89eaa..66d5cb3cb8747cb810ced0da5b64eb9cad9773d2 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -91,9 +91,8 @@ void InternalArrayNArgumentsConstructorStub::InitializeDescriptor(
 
 #define __ ACCESS_MASM(masm)
 
-
 static void EmitIdenticalObjectComparison(MacroAssembler* masm, Label* slow,
-                                          Condition cond, Strength strength);
+                                          Condition cond);
 static void EmitSmiNonsmiComparison(MacroAssembler* masm, Register lhs,
                                     Register rhs, Label* lhs_not_nan,
                                     Label* slow, bool strict);
@@ -248,7 +247,7 @@ void DoubleToIStub::Generate(MacroAssembler* masm) {
 // Equality is almost reflexive (everything but NaN), so this is a test
 // for "identity and not NaN".
 static void EmitIdenticalObjectComparison(MacroAssembler* masm, Label* slow,
-                                          Condition cond, Strength strength) {
+                                          Condition cond) {
   Label not_identical;
   Label heap_number, return_equal;
   __ cmp(r3, r4);
@@ -268,14 +267,6 @@ static void EmitIdenticalObjectComparison(MacroAssembler* masm, Label* slow,
     // Call runtime on identical SIMD values since we must throw a TypeError.
     __ cmpi(r7, Operand(SIMD128_VALUE_TYPE));
     __ beq(slow);
-    if (is_strong(strength)) {
-      // Call the runtime on anything that is converted in the semantics, since
-      // we need to throw a TypeError. Smis have already been ruled out.
-      __ cmpi(r7, Operand(HEAP_NUMBER_TYPE));
-      __ beq(&return_equal);
-      __ andi(r0, r7, Operand(kIsNotStringMask));
-      __ bne(slow, cr0);
-    }
   } else {
     __ CompareObjectType(r3, r7, r7, HEAP_NUMBER_TYPE);
     __ beq(&heap_number);
@@ -289,13 +280,6 @@ static void EmitIdenticalObjectComparison(MacroAssembler* masm, Label* slow,
       // Call runtime on identical SIMD values since we must throw a TypeError.
       __ cmpi(r7, Operand(SIMD128_VALUE_TYPE));
       __ beq(slow);
-      if (is_strong(strength)) {
-        // Call the runtime on anything that is converted in the semantics,
-        // since we need to throw a TypeError. Smis and heap numbers have
-        // already been ruled out.
-        __ andi(r0, r7, Operand(kIsNotStringMask));
-        __ bne(slow, cr0);
-      }
       // Normally here we fall through to return_equal, but undefined is
       // special: (undefined == undefined) == true, but
       // (undefined <= undefined) == false!  See ECMAScript 11.8.5.
@@ -609,7 +593,7 @@ void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
 
   // Handle the case where the objects are identical.  Either returns the answer
   // or goes to slow.  Only falls through if the objects were not identical.
-  EmitIdenticalObjectComparison(masm, &slow, cc, strength());
+  EmitIdenticalObjectComparison(masm, &slow, cc);
 
   // If either is a Smi (we know that not both are), then they can only
   // be strictly equal if the other is a HeapNumber.
@@ -731,8 +715,7 @@ void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
 
     // Call the native; it returns -1 (less), 0 (equal), or 1 (greater)
     // tagged as a small integer.
-    __ TailCallRuntime(is_strong(strength()) ? Runtime::kCompare_Strong
-                                             : Runtime::kCompare);
+    __ TailCallRuntime(Runtime::kCompare);
   }
 
   __ bind(&miss);
@@ -3025,18 +3008,14 @@ void CompareICStub::GenerateBooleans(MacroAssembler* masm) {
 
   __ 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);
-  } 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();
+  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);
@@ -3134,7 +3113,7 @@ void CompareICStub::GenerateNumbers(MacroAssembler* masm) {
 
   __ bind(&unordered);
   __ bind(&generic_stub);
-  CompareICStub stub(isolate(), op(), strength(), CompareICState::GENERIC,
+  CompareICStub stub(isolate(), op(), CompareICState::GENERIC,
                      CompareICState::GENERIC, CompareICState::GENERIC);
   __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
 
@@ -3357,8 +3336,6 @@ void CompareICStub::GenerateKnownReceivers(MacroAssembler* masm) {
   if (Token::IsEqualityOp(op())) {
     __ sub(r3, r3, r4);
     __ Ret();
-  } else if (is_strong(strength())) {
-    __ TailCallRuntime(Runtime::kThrowStrongModeImplicitConversion);
   } else {
     if (op() == Token::LT || op() == Token::LTE) {
       __ LoadSmiLiteral(r5, Smi::FromInt(GREATER));