--- old/src/hotspot/share/classfile/vmSymbols.hpp	2020-08-13 11:59:09.743656049 +0300
+++ new/src/hotspot/share/classfile/vmSymbols.hpp	2020-08-13 11:59:09.635658169 +0300
@@ -779,6 +779,7 @@
   do_name(negateExact_name,"negateExact")                                                                               \
   do_name(subtractExact_name,"subtractExact")                                                                           \
   do_name(fma_name, "fma")                                                                                              \
+  do_name(signum_name,"signum")                                                                                         \
                                                                                                                         \
   do_intrinsic(_dabs,                     java_lang_Math,         abs_name,   double_double_signature,           F_S)   \
   do_intrinsic(_fabs,                     java_lang_Math,         abs_name,   float_float_signature,           F_S)   \
@@ -817,6 +818,8 @@
   do_intrinsic(_minF,                     java_lang_Math,         min_name,           float2_float_signature,    F_S)   \
   do_intrinsic(_maxD,                     java_lang_Math,         max_name,           double2_double_signature,  F_S)   \
   do_intrinsic(_minD,                     java_lang_Math,         min_name,           double2_double_signature,  F_S)   \
+  do_intrinsic(_dsignum,                  java_lang_Math,         signum_name,        double_double_signature,   F_S)   \
+  do_intrinsic(_fsignum,                  java_lang_Math,         signum_name,        float_float_signature,     F_S)   \
                                                                                                                         \
   do_intrinsic(_floatToRawIntBits,        java_lang_Float,        floatToRawIntBits_name,   float_int_signature, F_S)   \
    do_name(     floatToRawIntBits_name,                          "floatToRawIntBits")                                   \