[turbofan] Add new Float32Abs and Float64Abs operators.

src/compiler/opcodes.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 // Opcodes for control operators.
 #define CONTROL_OP_LIST(V) \
   V(Start)                 \
@@ skipping 231 matching lines @@
   V(ChangeUint32ToUint64)       \
   V(TruncateFloat64ToFloat32)   \
   V(TruncateFloat64ToInt32)     \
   V(TruncateInt64ToInt32)       \
   V(Float32Add)                 \
   V(Float32Sub)                 \
   V(Float32Mul)                 \
   V(Float32Div)                 \
   V(Float32Max)                 \
   V(Float32Min)                 \
+  V(Float32Abs)                 \
   V(Float32Sqrt)                \
   V(Float64Add)                 \
   V(Float64Sub)                 \
   V(Float64Mul)                 \
   V(Float64Div)                 \
   V(Float64Mod)                 \
   V(Float64Max)                 \
   V(Float64Min)                 \
+  V(Float64Abs)                 \
   V(Float64Sqrt)                \
   V(Float64RoundDown)           \
   V(Float64RoundTruncate)       \
   V(Float64RoundTiesAway)       \
   V(Float64ExtractLowWord32)    \
   V(Float64ExtractHighWord32)   \
   V(Float64InsertLowWord32)     \
   V(Float64InsertHighWord32)    \
   V(LoadStackPointer)           \
   V(CheckedLoad)                \
@@ skipping 69 matching lines @@
            (kNumberEqual <= value && value <= kStringLessThanOrEqual) ||
            (kWord32Equal <= value && value <= kFloat64LessThanOrEqual);
   }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_