Allow comparison in UINT32 mode.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 159fd3d03886a7e4f153f76816f1b554723de2c0..7c1cf238c5c938477beba21a600ca5b0a6cdc988 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1645,11 +1645,11 @@ void LCodeGen::DoShiftI(LShiftI* instr) {
         }
         break;
       case Token::SHR:
-        if (shift_count == 0 && instr->can_deopt()) {
+        if (shift_count != 0) {
+          __ shr(ToRegister(left), shift_count);
+        } else if (instr->can_deopt()) {
           __ test(ToRegister(left), ToRegister(left));
           DeoptimizeIf(sign, instr->environment());
-        } else {
-          __ shr(ToRegister(left), shift_count);
         }
         break;
       case Token::SHL:
@@ -2243,7 +2243,9 @@ Condition LCodeGen::TokenToCondition(Token::Value op, bool is_unsigned) {
 void LCodeGen::DoCompareNumericAndBranch(LCompareNumericAndBranch* instr) {
   LOperand* left = instr->left();
   LOperand* right = instr->right();
-  Condition cc = TokenToCondition(instr->op(), instr->is_double());
+  bool is_unsigned =
+      instr->is_double() || instr->hydrogen()->CheckFlag(HInstruction::kUint32);
+  Condition cc = TokenToCondition(instr->op(), is_unsigned);
 
   if (left->IsConstantOperand() && right->IsConstantOperand()) {
     // We can statically evaluate the comparison.