Revert r6748....

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2011 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 1017 matching lines @@
 }
 
 
 void LCodeGen::DoBitNotI(LBitNotI* instr) {
   LOperand* input = instr->InputAt(0);
   ASSERT(input->Equals(instr->result()));
   __ not_(ToRegister(input));
 }
 
 
-void LCodeGen::DoNegI(LNegI* instr) {
-  Register input = ToRegister(instr->value());
-  if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
-    __ test(input, Operand(input));
-    DeoptimizeIf(zero, instr->environment());
-  }
-  __ neg(input);
-  if (instr->hydrogen()->CheckFlag(HValue::kCanOverflow)) {
-    DeoptimizeIf(overflow, instr->environment());
-  }
-}
-
-
-void LCodeGen::DoNegD(LNegD* instr) {
-  XMMRegister reg = ToDoubleRegister(instr->value());
-  Register temp = ToRegister(instr->TempAt(0));
-  __ Set(temp, Immediate(0x80000000));
-  __ movd(xmm0, Operand(temp));
-  __ psllq(xmm0, 32);
-  __ xorpd(reg, xmm0);
-}
-
-
-void LCodeGen::DoNegT(LNegT* instr) {
-  UnaryOverwriteMode overwrite = UNARY_NO_OVERWRITE;
-  GenericUnaryOpStub stub(Token::SUB, overwrite, NO_UNARY_FLAGS);
-  CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
-}
-
-
 void LCodeGen::DoThrow(LThrow* instr) {
   __ push(ToOperand(instr->InputAt(0)));
   CallRuntime(Runtime::kThrow, 1, instr, false);
 
   if (FLAG_debug_code) {
     Comment("Unreachable code.");
     __ int3();
   }
 }
 
@@ skipping 2719 matching lines @@
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32