src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotBackend.java

*** 261,278 ****
              Register receiver = asRegister(cc.getArgument(0));
              AMD64Address src = new AMD64Address(receiver, config.hubOffset);
  
              if (config.useCompressedClassPointers) {
                  Register register = r10;
!                 AMD64HotSpotMove.decodeKlassPointer(crb, asm, register, providers.getRegisters().getHeapBaseRegister(), src, config);
                  if (GeneratePIC.getValue(crb.getOptions())) {
!                     asm.movq(providers.getRegisters().getHeapBaseRegister(), asm.getPlaceholder(-1));
                      crb.recordMark(config.MARKID_NARROW_OOP_BASE_ADDRESS);
                  } else {
                      if (config.narrowKlassBase != 0) {
                          // The heap base register was destroyed above, so restore it
!                         asm.movq(providers.getRegisters().getHeapBaseRegister(), config.narrowOopBase);
                      }
                  }
                  asm.cmpq(inlineCacheKlass, register);
              } else {
                  asm.cmpq(inlineCacheKlass, src);
--- 261,283 ----
              Register receiver = asRegister(cc.getArgument(0));
              AMD64Address src = new AMD64Address(receiver, config.hubOffset);
  
              if (config.useCompressedClassPointers) {
                  Register register = r10;
!                 Register heapBase = providers.getRegisters().getHeapBaseRegister();
!                 AMD64HotSpotMove.decodeKlassPointer(crb, asm, register, heapBase, src, config);
                  if (GeneratePIC.getValue(crb.getOptions())) {
!                     asm.movq(heapBase, asm.getPlaceholder(-1));
                      crb.recordMark(config.MARKID_NARROW_OOP_BASE_ADDRESS);
                  } else {
                      if (config.narrowKlassBase != 0) {
                          // The heap base register was destroyed above, so restore it
!                         if (config.narrowOopBase == 0L) {
!                             asm.xorq(heapBase, heapBase);
!                         } else {
!                             asm.movq(heapBase, config.narrowOopBase);
!                         }
                      }
                  }
                  asm.cmpq(inlineCacheKlass, register);
              } else {
                  asm.cmpq(inlineCacheKlass, src);