Load immediates via the constant pool on armv5te and armv6.

runtime/vm/stub_code_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/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 816 matching lines @@
 
   // Restore C++ ABI callee-saved registers.
   if (TargetCPUFeatures::vfp_supported()) {
     // Restore FPU registers. 2 D registers per Q register.
     __ vldmd(IA_W, SP, firstd, 2 * kAbiPreservedFpuRegCount);
   } else {
     __ AddImmediate(SP, kAbiPreservedFpuRegCount * kFpuRegisterSize);
   }
   // Restore CPU registers.
   __ PopList(kAbiPreservedCpuRegs);
+  __ set_constant_pool_allowed(false);
 
   // Restore the frame pointer and return.
   __ LeaveFrame((1 << FP) | (1 << LR));
   __ Ret();
 }
 
 
 // Called for inline allocation of contexts.
 // Input:
 //   R1: number of context variables.
@@ skipping 1248 matching lines @@
 // Result:
 //  R1: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, R0, R1, R1);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM