Reland "Hydrogenisation of binops"

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 64b5683446038137855436a37a9b172809d19b23..16b8bd79fb9166b59167a5a50fadd358bef5d77c 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -253,8 +253,8 @@ void MacroAssembler::X87TOSToI(Register result_reg,
                                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();
@@ -453,6 +453,7 @@ static double kUint32Bias =
 void MacroAssembler::LoadUint32(XMMRegister dst,
                                 Register src,
                                 XMMRegister scratch) {
+  ASSERT(!Serializer::enabled());
   Label done;
   cmp(src, Immediate(0));
   movdbl(scratch,
@@ -464,6 +465,20 @@ void MacroAssembler::LoadUint32(XMMRegister dst,
 }
 
 
+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,