src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp

rev 12379 : 8162338: AArch64: Intrinsify fused mac operations
Reviewed-by:

@@ -1032,11 +1032,30 @@
 void LIRGenerator::do_update_CRC32C(Intrinsic* x) {
   Unimplemented();
 }
 
 void LIRGenerator::do_FmaIntrinsic(Intrinsic* x) {
-  fatal("FMA intrinsic is not implemented on this platform");
+  assert(x->number_of_arguments() == 3, "wrong type");
+  assert(UseFMA, "Needs FMA instructions support.");
+  LIRItem value(x->argument_at(0), this);
+  LIRItem value1(x->argument_at(1), this);
+  LIRItem value2(x->argument_at(2), this);
+
+  value.load_item();
+  value1.load_item();
+  value2.load_item();
+
+  LIR_Opr calc_input = value.result();
+  LIR_Opr calc_input1 = value1.result();
+  LIR_Opr calc_input2 = value2.result();
+  LIR_Opr calc_result = rlock_result(x);
+
+  switch (x->id()) {
+  case vmIntrinsics::_fmaD:   __ fmad(calc_input, calc_input1, calc_input2, calc_result); break;
+  case vmIntrinsics::_fmaF:   __ fmaf(calc_input, calc_input1, calc_input2, calc_result); break;
+  default:                    ShouldNotReachHere();
+  }
 }
 
 void LIRGenerator::do_vectorizedMismatch(Intrinsic* x) {
   fatal("vectorizedMismatch intrinsic is not implemented on this platform");
 }