MIPS: [turbofan] Properly implement Float64/32 Min/Max instructions.

src/compiler/machine-operator.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_MACHINE_OPERATOR_H_
 #define V8_COMPILER_MACHINE_OPERATOR_H_
 
 #include "src/base/flags.h"
 #include "src/compiler/machine-type.h"
 
@@ skipping 218 matching lines @@
   const Operator* Float32LessThanOrEqual();
 
   // Floating point comparisons complying to IEEE 754 (double-precision).
   const Operator* Float64Equal();
   const Operator* Float64LessThan();
   const Operator* Float64LessThanOrEqual();
 
   // Floating point min/max complying to IEEE 754 (single-precision).
   const OptionalOperator Float32Max();
   const OptionalOperator Float32Min();
+  bool HasFloat32Max() const { return flags_ & kFloat32Max; }

[Benedikt Meurer, 2015/11/03 05:39:00]

You don't need these functions. Just use Float32Max().IsSupported() instead.

[dusan.milosavljevic, 2015/11/03 13:48:34]

Done.

[dusan.milosavljevic, 2015/11/03 13:48:34]

Right, exactly what I need. Thank you.

+  bool HasFloat64Max() const { return flags_ & kFloat64Max; }

[Benedikt Meurer, 2015/11/03 05:39:00]

Same as above.

 
   // Floating point min/max complying to IEEE 754 (double-precision).
   const OptionalOperator Float64Max();
   const OptionalOperator Float64Min();
+  bool HasFloat32Min() const { return flags_ & kFloat32Min; }

[Benedikt Meurer, 2015/11/03 05:39:00]

Same as above.

[dusan.milosavljevic, 2015/11/03 13:48:34]

Done.

+  bool HasFloat64Min() const { return flags_ & kFloat64Min; }
 
   // Floating point abs complying to IEEE 754 (single-precision).
   const Operator* Float32Abs();
 
   // Floating point abs complying to IEEE 754 (double-precision).
   const Operator* Float64Abs();
 
   // Floating point rounding.
   const OptionalOperator Float64RoundDown();
   const OptionalOperator Float64RoundTruncate();
@@ skipping 63 matching lines @@
 };
 
 
 DEFINE_OPERATORS_FOR_FLAGS(MachineOperatorBuilder::Flags)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MACHINE_OPERATOR_H_