PPC/S390: Fix to use correct instr to test bitmask

src/s390/macro-assembler-s390.cc

Index: src/s390/macro-assembler-s390.cc
diff --git a/src/s390/macro-assembler-s390.cc b/src/s390/macro-assembler-s390.cc
index 687bf14095f8981ecf711937f881fa8f74dfe64a..bd6f962a8487895241f51da0867596e2cced3fe8 100644
--- a/src/s390/macro-assembler-s390.cc
+++ b/src/s390/macro-assembler-s390.cc
@@ -2413,8 +2413,7 @@ void MacroAssembler::AssertGeneratorObject(Register object, Register flags) {
   LoadP(map, FieldMemOperand(object, HeapObject::kMapOffset));
 
   Label async, do_check;
-  And(ip, flags, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
-  CmpP(ip, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
+  tmll(flags, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
   bne(&async);
 
   // Check if JSGeneratorObject