Use VLDR instead of VMOVs from GPR when a 64-bit double can't be encoded as a VMOV immediate.

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 71 matching lines @@
 
 
 TEST(1) {
   InitializeVM();
   v8::HandleScope scope;
 
   Assembler assm(Isolate::Current(), NULL, 0);
   Label L, C;
 
   __ mov(r1, Operand(r0));
-  __ mov(r0, Operand(0, RelocInfo::NONE));
+  __ mov(r0, Operand::Zero());
   __ b(&C);
 
   __ bind(&L);
   __ add(r0, r0, Operand(r1));
   __ sub(r1, r1, Operand(1));
 
   __ bind(&C);
-  __ teq(r1, Operand(0, RelocInfo::NONE));
+  __ teq(r1, Operand::Zero());
   __ b(ne, &L);
   __ mov(pc, Operand(lr));
 
   CodeDesc desc;
   assm.GetCode(&desc);
   Object* code = HEAP->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
   CHECK(code->IsCode());
@@ skipping 16 matching lines @@
 
   __ mov(r1, Operand(r0));
   __ mov(r0, Operand(1));
   __ b(&C);
 
   __ bind(&L);
   __ mul(r0, r1, r0);
   __ sub(r1, r1, Operand(1));
 
   __ bind(&C);
-  __ teq(r1, Operand(0, RelocInfo::NONE));
+  __ teq(r1, Operand::Zero());
   __ b(ne, &L);
   __ mov(pc, Operand(lr));
 
   // some relocated stuff here, not executed
   __ RecordComment("dead code, just testing relocations");
   __ mov(r0, Operand(FACTORY->true_value()));
   __ RecordComment("dead code, just testing immediate operands");
   __ mov(r0, Operand(-1));
   __ mov(r0, Operand(0xFF000000));
   __ mov(r0, Operand(0xF0F0F0F0));
@@ skipping 822 matching lines @@
   __ adc(r1, r1, Operand(r1), LeaveCC, cs);
   __ str(r1, MemOperand(r0, OFFSET_OF(I, a)));
 
   __ ldr(r2, MemOperand(r0, OFFSET_OF(I, b)));
   __ mov(r2, Operand(r2, ASR, 1), SetCC);
   __ adc(r2, r2, Operand(r2), LeaveCC, cs);
   __ str(r2, MemOperand(r0, OFFSET_OF(I, b)));
 
   // Test corner cases.
   __ mov(r1, Operand(0xffffffff));
-  __ mov(r2, Operand(0));
+  __ mov(r2, Operand::Zero());
   __ mov(r3, Operand(r1, ASR, 1), SetCC);  // Set the carry.
   __ adc(r3, r1, Operand(r2));
   __ str(r3, MemOperand(r0, OFFSET_OF(I, c)));
 
   __ mov(r1, Operand(0xffffffff));
-  __ mov(r2, Operand(0));
+  __ mov(r2, Operand::Zero());
   __ mov(r3, Operand(r2, ASR, 1), SetCC);  // Unset the carry.
   __ adc(r3, r1, Operand(r2));
   __ str(r3, MemOperand(r0, OFFSET_OF(I, d)));
 
   __ mov(pc, Operand(lr));
 
   CodeDesc desc;
   assm.GetCode(&desc);
   Object* code = HEAP->CreateCode(
       desc,
@@ skipping 21 matching lines @@
   Assembler assm(Isolate::Current(), NULL, 0);
 
   Label target;
   __ b(eq, &target);
   __ b(ne, &target);
   __ bind(&target);
   __ nop();
 }
 
 #undef __