--- old/src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp	2017-04-07 06:27:21.885605888 -0700
+++ new/src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp	2017-04-07 06:27:21.725604724 -0700
@@ -33,13 +33,9 @@
 define_pd_global(size_t, JVMInvokeMethodSlack,   12288);
 
 // Used on 64 bit platforms for UseCompressedOops base address
-#ifdef _LP64
 // use 6G as default base address because by default the OS maps the application
 // to 4G on Solaris-Sparc. This leaves at least 2G for the native heap.
 define_pd_global(size_t, HeapBaseMinAddress,     CONST64(6)*G);
-#else
-define_pd_global(size_t, HeapBaseMinAddress,     2*G);
-#endif