ARM: Fix the detection of whether the binary was compiler with -mfloat-abi=hard

src/platform-linux.cc

 // Copyright 2011 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 187 matching lines @@
 // calling this will return 1.0 and otherwise 0.0.
 static void ArmUsingHardFloatHelper() {
   asm("mov r0, #0");
 #if defined(__VFP_FP__) && !defined(__SOFTFP__)
   // Load 0x3ff00000 into r1 using instructions available in both ARM
   // and Thumb mode.
   asm("mov r1, #3");
   asm("mov r2, #255");
   asm("lsl r1, r1, #8");
   asm("orr r1, r1, r2");
-  asm("lsl r1, r1, #16");
+  asm("lsl r1, r1, #20");
   // For vmov d0, r0, r1 use ARM mode.
 #ifdef __thumb__
   asm volatile(
     "@   Enter ARM Mode  \n\t"
     "    adr r3, 1f      \n\t"
     "    bx  r3          \n\t"
     "    .ALIGN 4        \n\t"
     "    .ARM            \n"
     "1:  vmov d0, r0, r1 \n\t"
     "@   Enter THUMB Mode\n\t"
@@ skipping 921 matching lines @@
 
 void Sampler::Stop() {
   ASSERT(IsActive());
   SignalSender::RemoveActiveSampler(this);
   SetActive(false);
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal