Version 3.2.2. Fixed a number of crash and correctness bugs. Improved Cranksh...

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
===================================================================
--- src/arm/lithium-arm.cc	(revision 7161)
+++ src/arm/lithium-arm.cc	(working copy)
@@ -1350,10 +1350,21 @@
     // when we provide a native implementation.
     ASSERT(instr->left()->representation().IsInteger32());
     ASSERT(instr->right()->representation().IsInteger32());
-    LOperand* value = UseFixed(instr->left(), r0);
-    LOperand* divisor = UseFixed(instr->right(), r1);
-    LInstruction* result = DefineFixed(new LModI(value, divisor), r0);
-    result = AssignEnvironment(AssignPointerMap(result));
+
+    LInstruction* result;
+    if (instr->HasPowerOf2Divisor()) {
+      ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero));
+      LOperand* value = UseRegisterAtStart(instr->left());
+      LModI* mod = new LModI(value, UseOrConstant(instr->right()));
+      result = DefineSameAsFirst(mod);
+      result = AssignEnvironment(result);
+    } else {
+      LOperand* value = UseFixed(instr->left(), r0);
+      LOperand* divisor = UseFixed(instr->right(), r1);
+      result = DefineFixed(new LModI(value, divisor), r0);
+      result = AssignEnvironment(AssignPointerMap(result));
+    }
+
     return result;
   } else if (instr->representation().IsTagged()) {
     return DoArithmeticT(Token::MOD, instr);
@@ -1893,6 +1904,13 @@
 }
 
 
+LInstruction* LChunkBuilder::DoStringCharFromCode(HStringCharFromCode* instr) {
+  LOperand* char_code = UseRegister(instr->value());
+  LStringCharFromCode* result = new LStringCharFromCode(char_code);
+  return AssignPointerMap(DefineAsRegister(result));
+}
+
+
 LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
   LOperand* string = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new LStringLength(string));