--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64ArithmeticLIRGenerator.java	2019-05-14 01:06:00.824374259 +0200
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64ArithmeticLIRGenerator.java	2019-05-14 01:06:00.420371312 +0200
@@ -57,6 +57,8 @@
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VADDSS;
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VDIVSD;
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VDIVSS;
+import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VFMADD231SD;
+import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VFMADD231SS;
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VMULSD;
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VMULSS;
 import static org.graalvm.compiler.asm.amd64.AMD64Assembler.VexRVMOp.VORPD;
@@ -120,6 +122,7 @@
 import org.graalvm.compiler.lir.amd64.AMD64MulDivOp;
 import org.graalvm.compiler.lir.amd64.AMD64ShiftOp;
 import org.graalvm.compiler.lir.amd64.AMD64SignExtendOp;
+import org.graalvm.compiler.lir.amd64.AMD64Ternary;
 import org.graalvm.compiler.lir.amd64.AMD64Unary;
 import org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp;
 import org.graalvm.compiler.lir.amd64.vector.AMD64VectorBinary;
@@ -961,6 +964,22 @@
         }
         return result;
     }
+
+    @Override
+    public Variable emitFusedMultiplyAdd(Value a, Value b, Value c) {
+        Variable result = getLIRGen().newVariable(LIRKind.combine(a, b, c));
+        assert ((AMD64Kind) a.getPlatformKind()).isXMM() && ((AMD64Kind) b.getPlatformKind()).isXMM() && ((AMD64Kind) c.getPlatformKind()).isXMM();
+        assert a.getPlatformKind().equals(b.getPlatformKind());
+        assert b.getPlatformKind().equals(c.getPlatformKind());
+
+        if (a.getPlatformKind() == AMD64Kind.DOUBLE) {
+            getLIRGen().append(new AMD64Ternary.ThreeOp(VFMADD231SD, AVXSize.XMM, result, asAllocatable(c), asAllocatable(a), asAllocatable(b)));
+        } else {
+            assert a.getPlatformKind() == AMD64Kind.SINGLE;
+            getLIRGen().append(new AMD64Ternary.ThreeOp(VFMADD231SS, AVXSize.XMM, result, asAllocatable(c), asAllocatable(a), asAllocatable(b)));
+        }
+        return result;
+    }
 
     @Override
     public Value emitCountLeadingZeros(Value value) {