--- a/src/hotspot/cpu/s390/vm_version_s390.cpp	Mon Oct 23 03:15:19 2017 -0400
+++ b/src/hotspot/cpu/s390/vm_version_s390.cpp	Mon Oct 23 11:56:30 2017 +0200
@@ -707,13 +707,12 @@
   Label    getCIPHERFEATURES;                // fcode = -2 (cipher)
   Label    getMSGDIGESTFEATURES;             // fcode = -3 (SHA)
   Label    getVECTORFEATURES;                // fcode = -4 (OS support for vector instructions)
-  Label    checkLongDispFast;
-  Label    noLongDisp;
-  Label    posDisp, negDisp;
   Label    errRTN;
   a->z_ltgfr(Z_R0, Z_ARG2);                  // Buf len to r0 and test.
   a->z_brl(getFEATURES);                     // negative -> Get machine features not covered by facility list.
-  a->z_brz(checkLongDispFast);               // zero -> Check for high-speed Long Displacement Facility.
+  a->z_lghi(Z_R1,0);
+  a->z_brz(errRTN);                          // zero -> Function code currently not used, indicate "aborted".
+
   a->z_aghi(Z_R0, -1);
   a->z_stfle(0, Z_ARG1);
   a->z_lg(Z_R1, 0, Z_ARG1);                  // Get first DW of facility list.
@@ -774,48 +773,6 @@
   a->z_vtm(Z_V0,Z_V0);                       // non-destructive vector instruction. Will cause SIGFPE if not supported.
   a->z_br(Z_R14);
 
-  // Check the performance of the Long Displacement Facility, i.e. find out if we are running on z900 or newer.
-  a->bind(checkLongDispFast);
-  a->z_llill(Z_R0, 0xffff);                  // preset #iterations
-  a->z_larl(Z_R1, posDisp);
-  a->z_stck(0, Z_ARG1);                      // Get begin timestamp.
-
-  a->bind(posDisp);                          // Positive disp loop.
-  a->z_lg(Z_ARG2, 0, Z_ARG1);
-  a->z_bctgr(Z_R0, Z_R1);
-
-  a->z_stck(0, Z_ARG1);                      // Get end timestamp.
-  a->z_sg(Z_ARG2, 0, Z_R0, Z_ARG1);          // Calculate elapsed time.
-  a->z_lcgr(Z_ARG2, Z_ARG2);
-  a->z_srlg(Z_ARG2, Z_ARG2, 12);             // LSB: now microseconds
-  a->z_stg(Z_ARG2, 8, Z_ARG1);               // Store difference in buffer[1].
-
-  a->z_llill(Z_R0, 0xffff);                  // preset #iterations
-  a->z_larl(Z_R1, negDisp);
-  a->z_xgr(Z_ARG2, Z_ARG2);                  // Clear to detect absence of LongDisp facility.
-  a->z_stck(0, Z_ARG1);                      // Get begin timestamp.
-  a->z_la(Z_ARG1, 8, Z_ARG1);
-
-  a->bind(negDisp);                          // Negative disp loop.
-  a->z_lg(Z_ARG2, -8, Z_ARG1);
-  a->z_bctgr(Z_R0, Z_R1);
-
-  a->z_aghi(Z_ARG1, -8);
-  a->z_stck(0, Z_ARG1);                      // Get end timestamp.
-  a->z_ltgr(Z_ARG2, Z_ARG2);                 // Check for absence of LongDisp facility.
-  a->z_brz(noLongDisp);
-  a->z_sg(Z_ARG2, 0, Z_R0, Z_ARG1);          // Calc elapsed time.
-  a->z_lcgr(Z_ARG2, Z_ARG2);
-  a->z_srlg(Z_ARG2, Z_ARG2, 12);             // LSB: now microseconds
-  a->z_stg(Z_ARG2, 0, Z_ARG1);               // store difference in buffer[0]
-
-  a->z_llill(Z_RET,0xffff);
-  a->z_br(Z_R14);
-
-  a->bind(noLongDisp);
-  a->z_lghi(Z_RET,-1);
-  a->z_br(Z_R14);
-
   address code_end = a->pc();
   a->flush();