S390: Use TM instead of TMLL in case of memory operand.

src/crankshaft/s390/lithium-codegen-s390.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 //
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/crankshaft/s390/lithium-codegen-s390.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 4857 matching lines @@
 #if V8_TARGET_ARCH_S390X
   __ SmiTag(result_reg);
 #else
   __ SmiTagCheckOverflow(result_reg, r0);
   DeoptimizeIf(lt, instr, DeoptimizeReason::kOverflow, cr0);
 #endif
 }
 
 void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
   LOperand* input = instr->value();
-  __ TestIfSmi(ToRegister(input));
+  if (input->IsRegister()) {
+    __ TestIfSmi(ToRegister(input));
+  } else if (input->IsStackSlot()) {
+    MemOperand value = ToMemOperand(input);
+#if !V8_TARGET_LITTLE_ENDIAN
+#if V8_TARGET_ARCH_S390X
+    __ TestIfSmi(MemOperand(value.rb(), value.offset() + 7));
+#else
+    __ TestIfSmi(MemOperand(value.rb(), value.offset() + 3));
+#endif
+#else
+    __ TestIfSmi(value);
+#endif
+  }
   DeoptimizeIf(ne, instr, DeoptimizeReason::kNotASmi, cr0);
 }
 
 void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
   if (!instr->hydrogen()->value()->type().IsHeapObject()) {
     LOperand* input = instr->value();
-    __ TestIfSmi(ToRegister(input));
+    if (input->IsRegister()) {
+      __ TestIfSmi(ToRegister(input));
+    } else if (input->IsStackSlot()) {
+      MemOperand value = ToMemOperand(input);
+#if !V8_TARGET_LITTLE_ENDIAN
+#if V8_TARGET_ARCH_S390X
+      __ TestIfSmi(MemOperand(value.rb(), value.offset() + 7));
+#else
+      __ TestIfSmi(MemOperand(value.rb(), value.offset() + 3));
+#endif
+#else
+      __ TestIfSmi(value);
+#endif
+    } else {
+      UNIMPLEMENTED();
+    }
     DeoptimizeIf(eq, instr, DeoptimizeReason::kSmi, cr0);
   }
 }
 
 void LCodeGen::DoCheckArrayBufferNotNeutered(
     LCheckArrayBufferNotNeutered* instr) {
   Register view = ToRegister(instr->view());
   Register scratch = scratch0();
 
   __ LoadP(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset));
@@ skipping 664 matching lines @@
   __ LoadP(result,
            FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8