--- old/src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp	2019-12-17 21:18:14.000000000 +0300
+++ new/src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp	2019-12-17 21:18:14.000000000 +0300
@@ -1700,10 +1700,6 @@
   }
 }
 
-void LIR_Assembler::fpop() {
-  // do nothing
-}
-
 void LIR_Assembler::intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr thread, LIR_Opr dest, LIR_Op* op) {
   switch (code) {
     case lir_sqrt: {
@@ -2741,14 +2737,6 @@
   }
 }
 
-void LIR_Assembler::set_24bit_FPU() {
-  ShouldNotCallThis(); // x86 only
-}
-
-void LIR_Assembler::reset_FPU() {
-  ShouldNotCallThis(); // x86 only
-}
-
 void LIR_Assembler::breakpoint() {
   Unimplemented();
   //  __ breakpoint_trap();
@@ -2889,18 +2877,6 @@
   }
 }
 
-void LIR_Assembler::fxch(int i) {
-  ShouldNotCallThis(); // x86 only
-}
-
-void LIR_Assembler::fld(int i) {
-  ShouldNotCallThis(); // x86 only
-}
-
-void LIR_Assembler::ffree(int i) {
-  ShouldNotCallThis(); // x86 only
-}
-
 void LIR_Assembler::rt_call(LIR_Opr result, address dest,
                             const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info) {
   assert(!tmp->is_valid(), "don't need temporary");