MIPS: Fix rounding in Uint8ClampedArray setter.

src/mips/macro-assembler-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 5380 matching lines @@
 
   // Double value is >= 255, return 255.
   bind(&above_zero);
   Move(temp_double_reg, 255.0);
   BranchF(&in_bounds, NULL, le, input_reg, temp_double_reg);
   li(result_reg, Operand(255));
   Branch(&done);
 
   // In 0-255 range, round and truncate.
   bind(&in_bounds);
-  round_w_d(temp_double_reg, input_reg);
+  cvt_w_d(temp_double_reg, input_reg);
   mfc1(result_reg, temp_double_reg);
   bind(&done);
 }
 
 
 bool AreAliased(Register r1, Register r2, Register r3, Register r4) {
   if (r1.is(r2)) return true;
   if (r1.is(r3)) return true;
   if (r1.is(r4)) return true;
   if (r2.is(r3)) return true;
@@ skipping 53 matching lines @@
        opcode == BGTZL);
   opcode = (cond == eq) ? BEQ : BNE;
   instr = (instr & ~kOpcodeMask) | opcode;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS