679 

   680     @Override

   681     public ForeignCallLinkage lookupArrayEqualsStub(JavaKind kind, int constantLength) {

   682         if (constantLength >= 0 && constantLength * kind.getByteCount() < 2 * getMaxVectorSize()) {

   683             // Yield constant-length arrays comparison assembly

   684             return null;

   685         }

   686         switch (kind) {

   687             case Boolean:

   688                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_BOOLEAN_ARRAY_EQUALS);

   689             case Byte:

   690                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_BYTE_ARRAY_EQUALS);

   691             case Char:

   692                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_CHAR_ARRAY_EQUALS);

   693             case Short:

   694                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_SHORT_ARRAY_EQUALS);

   695             case Int:

   696                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_INT_ARRAY_EQUALS);

   697             case Long:

   698                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_LONG_ARRAY_EQUALS);

   699             case Float:

   700                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_FLOAT_ARRAY_EQUALS);

   701             case Double:

   702                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_DOUBLE_ARRAY_EQUALS);

   703             default:

   704                 return null;

   705         }

   706     }