[turbofan] Add new Float32Abs and Float64Abs operators.

test/unittests/compiler/machine-operator-unittest.cc

Index: test/unittests/compiler/machine-operator-unittest.cc
diff --git a/test/unittests/compiler/machine-operator-unittest.cc b/test/unittests/compiler/machine-operator-unittest.cc
index 88e7c586dddff4aa7ae2e68b0d13b79e98357050..31f55793c3f881f8c6d4c4ffc473a4431cf2def5 100644
--- a/test/unittests/compiler/machine-operator-unittest.cc
+++ b/test/unittests/compiler/machine-operator-unittest.cc
@@ -202,12 +202,13 @@ const PureOperator kPureOperators[] = {
     PURE(TruncateFloat64ToInt32, 1, 0, 1), PURE(TruncateInt64ToInt32, 1, 0, 1),
     PURE(Float32Add, 2, 0, 1), PURE(Float32Sub, 2, 0, 1),
     PURE(Float32Mul, 2, 0, 1), PURE(Float32Div, 2, 0, 1),
-    PURE(Float32Sqrt, 1, 0, 1), PURE(Float32Equal, 2, 0, 1),
-    PURE(Float32LessThan, 2, 0, 1), PURE(Float32LessThanOrEqual, 2, 0, 1),
-    PURE(Float32Max, 2, 0, 1), PURE(Float32Min, 2, 0, 1),
-    PURE(Float64Add, 2, 0, 1), PURE(Float64Sub, 2, 0, 1),
-    PURE(Float64Mul, 2, 0, 1), PURE(Float64Div, 2, 0, 1),
-    PURE(Float64Mod, 2, 0, 1), PURE(Float64Sqrt, 1, 0, 1),
+    PURE(Float32Abs, 1, 0, 1), PURE(Float32Sqrt, 1, 0, 1),
+    PURE(Float32Equal, 2, 0, 1), PURE(Float32LessThan, 2, 0, 1),
+    PURE(Float32LessThanOrEqual, 2, 0, 1), PURE(Float32Max, 2, 0, 1),
+    PURE(Float32Min, 2, 0, 1), PURE(Float64Add, 2, 0, 1),
+    PURE(Float64Sub, 2, 0, 1), PURE(Float64Mul, 2, 0, 1),
+    PURE(Float64Div, 2, 0, 1), PURE(Float64Mod, 2, 0, 1),
+    PURE(Float64Abs, 1, 0, 1), PURE(Float64Sqrt, 1, 0, 1),
     PURE(Float64Equal, 2, 0, 1), PURE(Float64LessThan, 2, 0, 1),
     PURE(Float64LessThanOrEqual, 2, 0, 1), PURE(Float64Max, 2, 0, 1),
     PURE(Float64Min, 2, 0, 1), PURE(LoadStackPointer, 0, 0, 1),