Adds special case in ARM cpu feature detection.

runtime/vm/assembler_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 82 matching lines @@
 
 
 void CPUFeatures::InitOnce() {
 #if defined(USING_SIMULATOR)
   integer_division_supported_ = true;
   neon_supported_ = true;
 #else
   ASSERT(CPUInfoContainsString("ARMv7"));  // Implements ARMv7.
   ASSERT(CPUInfoContainsString("vfp"));  // Has floating point unit.
   // Has integer division.
-  integer_division_supported_ = CPUInfoContainsString("idiva");
+  if (CPUInfoContainsString("QCT APQ8064")) {
+    // Special case for Qualcomm Krait CPUs in Nexus 4 and 7.
+    integer_division_supported_ = true;
+  } else {
+    integer_division_supported_ = CPUInfoContainsString("idiva");
+  }
   neon_supported_ = CPUInfoContainsString("neon");
 #endif  // defined(USING_SIMULATOR)
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
 
 
 // Instruction encoding bits.
 enum {
@@ skipping 2621 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM