8035394: PPC64: Make usage of intrinsic dsqrt depend on processor recognition.

Reviewed-by: kvn

src/cpu/ppc/vm/ppc.ad

@@ -2076,6 +2076,8 @@ const bool Matcher::match_rule_supported(int opcode) {
     return false;
 
   switch (opcode) {
+  case Op_SqrtD:
+    return VM_Version::has_fsqrt();
   case Op_CountLeadingZerosI:
   case Op_CountLeadingZerosL:
   case Op_CountTrailingZerosI:
@@ -8740,7 +8742,7 @@ instruct negD_absD_reg(regD dst, regD src) %{
   ins_pipe(pipe_class_default);
 %}
 
-// VM_Version::has_sqrt() decides if this node will be used.
+// VM_Version::has_fsqrt() decides if this node will be used.
 // Sqrt float double precision
 instruct sqrtD_reg(regD dst, regD src) %{
   match(Set dst (SqrtD src));

src/share/vm/opto/library_call.cpp

@@ -1937,7 +1937,7 @@ bool LibraryCallKit::inline_math_native(vmIntrinsics::ID id) {
     runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog10), "LOG10");
 
     // These intrinsics are supported on all hardware
-  case vmIntrinsics::_dsqrt:  return Matcher::has_match_rule(Op_SqrtD)  ? inline_math(id) : false;
+  case vmIntrinsics::_dsqrt:  return Matcher::match_rule_supported(Op_SqrtD) ? inline_math(id) : false;
   case vmIntrinsics::_dabs:   return Matcher::has_match_rule(Op_AbsD)   ? inline_math(id) : false;
 
   case vmIntrinsics::_dexp:   return Matcher::has_match_rule(Op_ExpD)   ? inline_exp()    :