MIPS: [turbofan] Add new Float32Abs and Float64Abs operators.

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 4247a84c5404fb6b47d2884a1c71a35e171f82ff..ec545156e55704b2d5701b2c56ace6baaa6376ff 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -577,6 +577,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       __ MovFromFloatResult(i.OutputSingleRegister());
       break;
     }
+    case kMipsAbsS:
+      __ abs_s(i.OutputSingleRegister(), i.InputSingleRegister(0));
+      break;
     case kMipsSqrtS: {
       __ sqrt_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;
@@ -615,6 +618,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       __ MovFromFloatResult(i.OutputDoubleRegister());
       break;
     }
+    case kMipsAbsD:
+      __ abs_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
+      break;
     case kMipsSqrtD: {
       __ sqrt_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;