Enable stub generation using Hydrogen/Lithium (again)

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 67 matching lines @@
         // && !defined(__SOFTFP__)
 #endif  // _arm__
   if (answer & (1u << ARMv7)) {
     answer |= 1u << UNALIGNED_ACCESSES;
   }
 
   return answer;
 }
 
 
+int Register::NumAllocatableRegisters() {
+  if (CpuFeatures::IsSupported(VFP2)) {
+    return kMaxNumAllocatableRegisters;
+  } else {
+    return kMaxNumAllocatableRegisters - kGPRsPerNonVFP2Double;
+  }
+}
+
+
+int DoubleRegister::NumAllocatableRegisters() {
+  if (CpuFeatures::IsSupported(VFP2)) {
+    return DwVfpRegister::kMaxNumAllocatableRegisters;
+  } else {
+    return SoftFloatRegister::kMaxNumAllocatableRegisters;
+  }
+}
+
+
+const char* DoubleRegister::AllocationIndexToString(int index) {
+  if (CpuFeatures::IsSupported(VFP2)) {
+    return DwVfpRegister::AllocationIndexToString(index);
+  } else {
+    return SoftFloatRegister::AllocationIndexToString(index);
+  }
+}
+
+
 void CpuFeatures::Probe() {
   unsigned standard_features = static_cast<unsigned>(
       OS::CpuFeaturesImpliedByPlatform()) | CpuFeaturesImpliedByCompiler();
   ASSERT(supported_ == 0 || supported_ == standard_features);
 #ifdef DEBUG
   initialized_ = true;
 #endif
 
   // Get the features implied by the OS and the compiler settings. This is the
   // minimal set of features which is also alowed for generated code in the
@@ skipping 2645 matching lines @@
 
   // Since a constant pool was just emitted, move the check offset forward by
   // the standard interval.
   next_buffer_check_ = pc_offset() + kCheckPoolInterval;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM