Emit VMLA for multiply-add on ARM

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index f79208ea25a9bb27b88468182248ea9f1047e8d1..27894fa5be5901e68ff033546f28aca7049465f7 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -1097,6 +1097,19 @@ void LCodeGen::DoMulI(LMulI* instr) {
 }
 
 
+void LCodeGen::DoMultiplyAddD(LMultiplyAddD* instr) {
+  XMMRegister a = ToDoubleRegister(instr->a());
+  XMMRegister b = ToDoubleRegister(instr->b());
+  XMMRegister c = ToDoubleRegister(instr->c());
+
+  // This is computed in-place.
+  ASSERT(a.is(ToDoubleRegister(instr->result())));
+
+  __ mul_d(a, b);
+  __ add_d(a, c);
+}
+
+
 void LCodeGen::DoBitI(LBitI* instr) {
   LOperand* left_op = instr->left();
   LOperand* right_op = instr->right();