MIPS: Port for (fused) multiply add/subtract.

src/compiler/mips/code-generator-mips.cc

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index 61d57bc46e8cae6a0ddc4669b99f71d3e48220c6..83b77a0080216ca1b7e70d3f1bde5500d99842b0 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -1118,6 +1118,38 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       __ sub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                i.InputDoubleRegister(1));
       break;
+    case kMipsMaddS:
+      __ madd_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
+                i.InputFloatRegister(1), i.InputFloatRegister(2));
+      break;
+    case kMipsMaddD:
+      __ madd_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputDoubleRegister(1), i.InputDoubleRegister(2));
+      break;
+    case kMipsMaddfS:
+      __ maddf_s(i.OutputFloatRegister(), i.InputFloatRegister(1),
+                 i.InputFloatRegister(2));
+      break;
+    case kMipsMaddfD:
+      __ maddf_d(i.OutputDoubleRegister(), i.InputDoubleRegister(1),
+                 i.InputDoubleRegister(2));
+      break;
+    case kMipsMsubS:
+      __ msub_s(i.OutputFloatRegister(), i.InputFloatRegister(0),
+                i.InputFloatRegister(1), i.InputFloatRegister(2));
+      break;
+    case kMipsMsubD:
+      __ msub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
+                i.InputDoubleRegister(1), i.InputDoubleRegister(2));
+      break;
+    case kMipsMsubfS:
+      __ msubf_s(i.OutputFloatRegister(), i.InputFloatRegister(1),
+                 i.InputFloatRegister(2));
+      break;
+    case kMipsMsubfD:
+      __ msubf_d(i.OutputDoubleRegister(), i.InputDoubleRegister(1),
+                 i.InputDoubleRegister(2));
+      break;
     case kMipsMulD:
       // TODO(plind): add special case: right op is -1.0, see arm port.
       __ mul_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),