src/hotspot/cpu/sparc/macroAssembler_sparc.cpp

@@ -2784,11 +2784,11 @@
    orcc(Rbox, Rscratch, G0);
    brx(Assembler::zero, false, Assembler::pt, done);
    delayed()->
    st_ptr(G0, Address(Rmark, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)));
 
-   if (os::is_MP()) { membar(StoreLoad); }
+   membar(StoreLoad);
    // Check that _succ is (or remains) non-zero
    ld_ptr(Address(Rmark, OM_OFFSET_NO_MONITOR_VALUE_TAG(succ)), Rscratch);
    andcc(Rscratch, Rscratch, G0);
    brx(Assembler::notZero, false, Assembler::pt, done);
    delayed()->andcc(G0, G0, G0);