Move ToI conversions to the MacroAssembler

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index d537b0b2cbd953b36887fbf558ae9257e53faa7a..e8f735ece3ae1a283338caf55330b1167f08dfe5 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -474,6 +474,21 @@ class MacroAssembler: public Assembler {
                           XMMRegister scratch_reg,
                           Register result_reg);
 
+  void SlowTruncateToI(Register input_reg, Register result_reg,
+      int index = HeapNumber::kValueOffset - kHeapObjectTag);

[danno, 2013/08/20 16:14:28]

nit: this parameter should be called offset, right?

[oliv, 2013/08/20 16:56:23]

Done.

+
+  void TruncateHeapNumberToI(Register input_reg, Register result_reg);
+  void TruncateDoubleToI(XMMRegister input_reg, Register result_reg);
+  void TruncateX87TOSToI(Register result_reg);
+
+  void DoubleToI(XMMRegister input_reg, Register result_reg,
+      XMMRegister scratch, bool treat_minus_zero_as_zero,

[danno, 2013/08/20 16:14:28]

Can you convert this bool into an enum?

enum MinusZeroMode {
  TREAT_MINUS_ZERO_AS_ZERO,
  FAIL_ON_MINUS_ZERO
}

[oliv, 2013/08/20 16:56:23]

Done.

+      Label* conversion_failed, Label::Distance dst = Label::kFar);
+  void X87TOSToI(Register result_reg, bool treat_minus_zero_as_zero,
+      Label* conversion_failed, Label::Distance dst = Label::kFar);
+
+  void TaggedToI(Register input_reg, Register result_reg, XMMRegister temp,
+      bool treat_minus_zero_as_zero, Label* lost_precision);
 
   // Smi tagging support.
   void SmiTag(Register reg) {