Thumb2 Backend: Make arithmetic instructions set condition codes by default

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index da629e14fd34b3770e8f84b1a19c87389f9929de..e5bc23ac1d457f1ea75ecbf606da02f6ba4287c3 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -1191,11 +1191,11 @@ class MacroAssembler: public Assembler {
   // ---------------------------------------------------------------------------
   // Smi utilities
 
-  void SmiTag(Register reg, SBit s = LeaveCC) {
-    add(reg, reg, Operand(reg), s);
+  void SmiTag(Register reg, SBitMode smode = DontCareCC) {
+    add(reg, reg, Operand(reg), smode);
   }
-  void SmiTag(Register dst, Register src, SBit s = LeaveCC) {
-    add(dst, src, Operand(src), s);
+  void SmiTag(Register dst, Register src, SBitMode smode = DontCareCC) {
+    add(dst, src, Operand(src), smode);
   }
 
   // Try to convert int32 to smi. If the value is to large, preserve
@@ -1211,11 +1211,11 @@ class MacroAssembler: public Assembler {
   }
 
 
-  void SmiUntag(Register reg, SBit s = LeaveCC) {
-    mov(reg, Operand::SmiUntag(reg), s);
+  void SmiUntag(Register reg, SBitMode smode = DontCareCC) {
+    mov(reg, Operand::SmiUntag(reg), smode);
   }
-  void SmiUntag(Register dst, Register src, SBit s = LeaveCC) {
-    mov(dst, Operand::SmiUntag(src), s);
+  void SmiUntag(Register dst, Register src, SBitMode smode = DontCareCC) {
+    mov(dst, Operand::SmiUntag(src), smode);
   }
 
   // Untag the source value into destination and jump if source is a smi.