A64: Synchronize with r15545.

src/arm/simulator-arm.cc

Index: src/arm/simulator-arm.cc
diff --git a/src/arm/simulator-arm.cc b/src/arm/simulator-arm.cc
index a29d461ebf55acf87c008b56e2c2fa9b6a5712a1..b07e7be298e9da0a98013b3fcdf6c0d8e78825fa 100644
--- a/src/arm/simulator-arm.cc
+++ b/src/arm/simulator-arm.cc
@@ -30,7 +30,7 @@
 #include <cstdarg>
 #include "v8.h"
 
-#if defined(V8_TARGET_ARCH_ARM)
+#if V8_TARGET_ARCH_ARM
 
 #include "disasm.h"
 #include "assembler.h"
@@ -1026,6 +1026,7 @@ void Simulator::TrashCallerSaveRegisters() {
   registers_[12] = 0x50Bad4U;
 }
 
+
 // Some Operating Systems allow unaligned access on ARMv7 targets. We
 // assume that unaligned accesses are not allowed unless the v8 build system
 // defines the CAN_USE_UNALIGNED_ACCESSES macro to be non-zero.
@@ -1525,6 +1526,7 @@ void Simulator::ProcessPUW(Instruction* instr,
   }
 }
 
+
 // Addressing Mode 4 - Load and Store Multiple
 void Simulator::HandleRList(Instruction* instr, bool load) {
   int rlist = instr->RlistValue();
@@ -1954,6 +1956,7 @@ double Simulator::canonicalizeNaN(double value) {
     FixedDoubleArray::canonical_not_the_hole_nan_as_double() : value;
 }
 
+
 // Stop helper functions.
 bool Simulator::isStopInstruction(Instruction* instr) {
   return (instr->Bits(27, 24) == 0xF) && (instr->SvcValue() >= kStopCode);