Fix fixed-point vcvt_f64_s32 immediate value encoding

test/cctest/test-assembler-arm.cc

 // Copyright 2012 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 274 matching lines @@
     __ vcvt_s32_f64(s31, d4);
     __ vstr(s31, r4, OFFSET_OF(T, i));
 
     // Convert from integer to floating point.
     __ mov(lr, Operand(42));
     __ vmov(s31, lr);
     __ vcvt_f64_s32(d4, s31);
     __ vstr(d4, r4, OFFSET_OF(T, f));
 
     // Convert from fixed point to floating point.
-    __ mov(lr, Operand(1234));
+    __ mov(lr, Operand(2468));
     __ vmov(s8, lr);
-    __ vcvt_f64_s32(d4, 1);
+    __ vcvt_f64_s32(d4, 2);
     __ vstr(d4, r4, OFFSET_OF(T, j));
 
     // Test vabs.
     __ vldr(d1, r4, OFFSET_OF(T, g));
     __ vabs(d0, d1);
     __ vstr(d0, r4, OFFSET_OF(T, g));
     __ vldr(d2, r4, OFFSET_OF(T, h));
     __ vabs(d0, d2);
     __ vstr(d0, r4, OFFSET_OF(T, h));
 
@@ skipping 1281 matching lines @@
   Handle<Code> code = isolate->factory()->NewCode(desc,
       Code::ComputeFlags(Code::STUB), code_object);
   CHECK(code->IsCode());
   F1 f = FUNCTION_CAST<F1>(code->entry());
   int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 21, 0, 0, 0, 0));
   ::printf("f() = %d\n", res);
   CHECK_EQ(42, res);
 }
 
 #undef __