Rollback of r17108, r17106, r17104 in trunk branch.

src/ia32/macro-assembler-ia32.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 235 matching lines @@
   add(esp, Immediate(kDoubleSize));
 }
 
 
 void MacroAssembler::X87TOSToI(Register result_reg,
                                MinusZeroMode minus_zero_mode,
                                Label* conversion_failed,
                                Label::Distance dst) {
   Label done;
   sub(esp, Immediate(kPointerSize));
+  fist_s(MemOperand(esp, 0));
   fld(0);
-  fist_s(MemOperand(esp, 0));
   fild_s(MemOperand(esp, 0));
   pop(result_reg);
   FCmp();
   j(not_equal, conversion_failed, dst);
   j(parity_even, conversion_failed, dst);
   if (minus_zero_mode == FAIL_ON_MINUS_ZERO) {
     test(result_reg, Operand(result_reg));
     j(not_zero, &done, Label::kNear);
     // To check for minus zero, we load the value again as float, and check
     // if that is still 0.
@@ skipping 178 matching lines @@
 
 
 
 static double kUint32Bias =
     static_cast<double>(static_cast<uint32_t>(0xFFFFFFFF)) + 1;
 
 
 void MacroAssembler::LoadUint32(XMMRegister dst,
                                 Register src,
                                 XMMRegister scratch) {
-  ASSERT(!Serializer::enabled());
   Label done;
   cmp(src, Immediate(0));
   movdbl(scratch,
          Operand(reinterpret_cast<int32_t>(&kUint32Bias), RelocInfo::NONE32));
   Cvtsi2sd(dst, src);
   j(not_sign, &done, Label::kNear);
   addsd(dst, scratch);
   bind(&done);
 }
 
 
-void MacroAssembler::LoadUint32NoSSE2(Register src) {
-  ASSERT(!Serializer::enabled());
-  Label done;
-  push(src);
-  fild_s(Operand(esp, 0));
-  cmp(src, Immediate(0));
-  j(not_sign, &done, Label::kNear);
-  fld_d(Operand(reinterpret_cast<int32_t>(&kUint32Bias), RelocInfo::NONE32));
-  faddp(1);
-  bind(&done);
-  add(esp, Immediate(kPointerSize));
-}
-
-
 void MacroAssembler::RecordWriteArray(Register object,
                                       Register value,
                                       Register index,
                                       SaveFPRegsMode save_fp,
                                       RememberedSetAction remembered_set_action,
                                       SmiCheck smi_check) {
   // First, check if a write barrier is even needed. The tests below
   // catch stores of Smis.
   Label done;
 
@@ skipping 3036 matching lines @@
   j(greater, &no_memento_available);
   cmp(MemOperand(scratch_reg, -AllocationMemento::kSize),
       Immediate(isolate()->factory()->allocation_memento_map()));
   bind(&no_memento_available);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32