Emit VMLA for multiply-add on ARM

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 18741d1fca2cf9488fc18a2f7ba8dc775a221c49..c5948e60a87cdbaee590a19d0f4898d8376b309a 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -130,6 +130,7 @@ class LCodeGen;
   V(MathPowHalf)                                \
   V(ModI)                                       \
   V(MulI)                                       \
+  V(MultiplyAddD)                               \
   V(NumberTagD)                                 \
   V(NumberTagI)                                 \
   V(NumberTagU)                                 \
@@ -599,6 +600,23 @@ class LMulI: public LTemplateInstruction<1, 2, 1> {
 };
 
 
+class LMultiplyAddD: public LTemplateInstruction<1, 3, 0> {
+ public:
+  LMultiplyAddD(LOperand* a, LOperand* b, LOperand* c) {
+    inputs_[0] = a;
+    inputs_[1] = b;
+    inputs_[2] = c;
+  }
+
+  LOperand* a() { return inputs_[0]; }
+  LOperand* b() { return inputs_[1]; }
+  LOperand* c() { return inputs_[2]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
+  DECLARE_HYDROGEN_ACCESSOR(MultiplyAddD)
+};
+
+
 class LCmpIDAndBranch: public LControlInstruction<2, 0> {
  public:
   LCmpIDAndBranch(LOperand* left, LOperand* right) {