MIPS: Fixed illegal instruction use on Loongson in code for Math.random().

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3207 matching lines @@
   __ lw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize));
   __ Branch(deferred->entry(), eq, a1, Operand(zero_reg));
   // Load state[1].
   __ lw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize));
   // a1: state[0].
   // a0: state[1].
 
   // state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16)
   __ And(a3, a1, Operand(0xFFFF));
   __ li(t0, Operand(18273));
-  __ mul(a3, a3, t0);
+  __ Mul(a3, a3, t0);
   __ srl(a1, a1, 16);
   __ Addu(a1, a3, a1);
   // Save state[0].
   __ sw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize));
 
   // state[1] = 36969 * (state[1] & 0xFFFF) + (state[1] >> 16)
   __ And(a3, a0, Operand(0xFFFF));
   __ li(t0, Operand(36969));
-  __ mul(a3, a3, t0);
+  __ Mul(a3, a3, t0);
   __ srl(a0, a0, 16),
   __ Addu(a0, a3, a0);
   // Save state[1].
   __ sw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize));
 
   // Random bit pattern = (state[0] << 14) + (state[1] & 0x3FFFF)
   __ And(a0, a0, Operand(0x3FFFF));
   __ sll(a1, a1, 14);
   __ Addu(v0, a0, a1);
 
@@ skipping 1877 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal