src/hotspot/share/opto/library_call.cpp

@@ -50,10 +50,11 @@
 #include "opto/narrowptrnode.hpp"
 #include "opto/opaquenode.hpp"
 #include "opto/parse.hpp"
 #include "opto/runtime.hpp"
 #include "opto/rootnode.hpp"
+#include "opto/signum.hpp"
 #include "opto/subnode.hpp"
 #include "prims/nativeLookup.hpp"
 #include "prims/unsafe.hpp"
 #include "runtime/objectMonitor.hpp"
 #include "runtime/sharedRuntime.hpp"

@@ -549,11 +550,13 @@
   case vmIntrinsics::_datan2:
   case vmIntrinsics::_dsqrt:
   case vmIntrinsics::_dexp:
   case vmIntrinsics::_dlog:
   case vmIntrinsics::_dlog10:
-  case vmIntrinsics::_dpow:                     return inline_math_native(intrinsic_id());
+  case vmIntrinsics::_dpow:
+  case vmIntrinsics::_dsignum:
+  case vmIntrinsics::_fsignum:                  return inline_math_native(intrinsic_id());
 
   case vmIntrinsics::_min:
   case vmIntrinsics::_max:                      return inline_min_max(intrinsic_id());
 
   case vmIntrinsics::_notify:

@@ -1811,10 +1814,11 @@
   case vmIntrinsics::_dabs:   n = new AbsDNode(                arg);  break;
   case vmIntrinsics::_dsqrt:  n = new SqrtDNode(C, control(),  arg);  break;
   case vmIntrinsics::_ceil:   n = RoundDoubleModeNode::make(_gvn, arg, RoundDoubleModeNode::rmode_ceil); break;
   case vmIntrinsics::_floor:  n = RoundDoubleModeNode::make(_gvn, arg, RoundDoubleModeNode::rmode_floor); break;
   case vmIntrinsics::_rint:   n = RoundDoubleModeNode::make(_gvn, arg, RoundDoubleModeNode::rmode_rint); break;
+  case vmIntrinsics::_dsignum: n = new SignumDNode(arg); break;
   default:  fatal_unexpected_iid(id);  break;
   }
   set_result(_gvn.transform(n));
   return true;
 }

@@ -1828,10 +1832,11 @@
   Node* n = NULL;
   switch (id) {
   case vmIntrinsics::_fabs:   n = new AbsFNode(                arg);  break;
   case vmIntrinsics::_iabs:   n = new AbsINode(                arg);  break;
   case vmIntrinsics::_labs:   n = new AbsLNode(                arg);  break;
+  case vmIntrinsics::_fsignum: n = new SignumFNode(arg); break;
   default:  fatal_unexpected_iid(id);  break;
   }
   set_result(_gvn.transform(n));
   return true;
 }

@@ -1912,10 +1917,15 @@
       runtime_math(OptoRuntime::Math_DD_D_Type(), StubRoutines::dpow(),  "dpow") :
       runtime_math(OptoRuntime::Math_DD_D_Type(), FN_PTR(SharedRuntime::dpow),  "POW");
   }
 #undef FN_PTR
 
+  case vmIntrinsics::_dsignum:
+    return UseSignumIntrinsic && (Matcher::match_rule_supported(Op_SignumD) ? inline_double_math(id) : false);
+  case vmIntrinsics::_fsignum:
+    return UseSignumIntrinsic && (Matcher::match_rule_supported(Op_SignumF) ? inline_math(id) : false);
+
    // These intrinsics are not yet correctly implemented
   case vmIntrinsics::_datan2:
     return false;
 
   default: