--- old/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp 2015-02-19 22:26:01.347492350 -0500 +++ new/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp 2015-02-19 22:26:00.343435517 -0500 @@ -3947,12 +3947,10 @@ void LIR_Assembler::membar_acquire() { // No x86 machines currently require load fences - // __ load_fence(); } void LIR_Assembler::membar_release() { // No x86 machines currently require store fences - // __ store_fence(); } void LIR_Assembler::membar_loadload() {