Impelemnts some FPU arithmetic function for the MIPS simulator, assembler, disassembler.

runtime/vm/constants_mips.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_CONSTANTS_MIPS_H_
 #define VM_CONSTANTS_MIPS_H_
 
 #include "platform/assert.h"
 
 namespace dart {
@@ skipping 360 matching lines @@
   TNEI = 14,
   BLTZAL = 16,
   BGEZAL = 17,
   BLTZALL = 18,
   BGEZALL = 19,
   SYNCI = 31,
 };
 
 
 enum Cop1Function {
-  COP1_ADD = 0,
-  COP1_MOV = 6,
+  COP1_ADD = 0x00,
+  COP1_SUB = 0x01,
+  COP1_MUL = 0x02,
+  COP1_DIV = 0x03,
+  COP1_SQRT = 0x04,
+  COP1_MOV = 0x06,
   COP1_CVT_D = 0x21,  // 100001

[regis, 2013/05/16 21:00:33]

You should remove the binary representation comments.

[zra, 2013/05/16 21:15:19]

Done.

+  COP1_CVT_W = 0x24,  // 100100
   COP1_C_F = 0x30,    // 110000
   COP1_C_UN = 0x31,   // 110001
   COP1_C_EQ = 0x32,   // 110010
   COP1_C_UEQ = 0x33,  // 110011
   COP1_C_OLT = 0x34,  // 110100
   COP1_C_ULT = 0x35,  // 110101
   COP1_C_OLE = 0x36,  // 110110
   COP1_C_ULE = 0x37,  // 110111
 };
 
@@ skipping 163 matching lines @@
 #endif  // defined(DEBUG)
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Instr);
 };
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_MIPS_H_