8229352: Use of an uninitialized register in 32-bit ARM template interpreter

Reviewed-by: dlong, shade
Contributed-by: christoph.goettschkes@microdoc.com

src/hotspot/cpu/arm/templateTable_arm.cpp

@@ -527,19 +527,20 @@ void TemplateTable::ldc2_w() {
 
   __ add(Rbase, Rcpool, AsmOperand(Rindex, lsl, LogBytesPerWord));
 
-  Label Condy, exit;
-#ifdef __ABI_HARD__
-  Label Long;
   // get type from tags
   __ add(Rtemp, Rtags, tags_offset);
   __ ldrb(Rtemp, Address(Rtemp, Rindex));
+
+  Label Condy, exit;
+#ifdef __ABI_HARD__
+  Label NotDouble;
   __ cmp(Rtemp, JVM_CONSTANT_Double);
-  __ b(Long, ne);
+  __ b(NotDouble, ne);
   __ ldr_double(D0_tos, Address(Rbase, base_offset));
 
   __ push(dtos);
   __ b(exit);
-  __ bind(Long);
+  __ bind(NotDouble);
 #endif
 
   __ cmp(Rtemp, JVM_CONSTANT_Long);