Tweaked FlooringDiv back to TruncatingDiv again.

src/arm/macro-assembler-arm.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 4037 matching lines @@
 }
 
 
 void CodePatcher::EmitCondition(Condition cond) {
   Instr instr = Assembler::instr_at(masm_.pc_);
   instr = (instr & ~kCondMask) | cond;
   masm_.emit(instr);
 }
 
 
-void MacroAssembler::FlooringDiv(Register result,
-                                 Register dividend,
-                                 int32_t divisor) {
+void MacroAssembler::TruncatingDiv(Register result,
+                                   Register dividend,
+                                   int32_t divisor) {
   ASSERT(!dividend.is(result));
   ASSERT(!dividend.is(ip));
   ASSERT(!result.is(ip));
   MultiplierAndShift ms(divisor);
   mov(ip, Operand(ms.multiplier()));
   smull(ip, result, dividend, ip);
   if (divisor > 0 && ms.multiplier() < 0) {
     add(result, result, Operand(dividend));
   }
   if (divisor < 0 && ms.multiplier() > 0) {
     sub(result, result, Operand(dividend));
   }
   if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift()));
+  add(result, result, Operand(dividend, LSR, 31));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM