Initialize fast memmove methods in the Isolate's ctor

src/arm/codegen-arm.cc

Index: src/arm/codegen-arm.cc
diff --git a/src/arm/codegen-arm.cc b/src/arm/codegen-arm.cc
index a916d97f0e1888bd03dfef2aaa456cd6dbf1535c..ef7b2448eff265e6225a0bb77e4f58f09bdf8aa8 100644
--- a/src/arm/codegen-arm.cc
+++ b/src/arm/codegen-arm.cc
@@ -79,7 +79,8 @@ UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) {
 }
 
 #if defined(V8_HOST_ARCH_ARM)
-MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
+MemCopyUint8Function CreateMemCopyUint8Function(Isolate* isolate,
+                                                MemCopyUint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
@@ -87,9 +88,9 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
-  if (buffer == NULL) return stub;
+  if (buffer == nullptr) return stub;
 
-  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size),
+  MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size),
                       CodeObjectRequired::kNo);
 
   Register dest = r0;
@@ -228,7 +229,7 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
   masm.GetCode(&desc);
   DCHECK(!RelocInfo::RequiresRelocation(desc));
 
-  Assembler::FlushICacheWithoutIsolate(buffer, actual_size);
+  Assembler::FlushICache(isolate, buffer, actual_size);
   base::OS::ProtectCode(buffer, actual_size);
   return FUNCTION_CAST<MemCopyUint8Function>(buffer);
 #endif
@@ -237,7 +238,7 @@ MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
 
 // Convert 8 to 16. The number of character to copy must be at least 8.
 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
-    MemCopyUint16Uint8Function stub) {
+    Isolate* isolate, MemCopyUint16Uint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
@@ -245,9 +246,9 @@ MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
-  if (buffer == NULL) return stub;
+  if (buffer == nullptr) return stub;
 
-  MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size),
+  MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size),
                       CodeObjectRequired::kNo);
 
   Register dest = r0;
@@ -316,7 +317,7 @@ MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
   CodeDesc desc;
   masm.GetCode(&desc);
 
-  Assembler::FlushICacheWithoutIsolate(buffer, actual_size);
+  Assembler::FlushICache(isolate, buffer, actual_size);
   base::OS::ProtectCode(buffer, actual_size);
 
   return FUNCTION_CAST<MemCopyUint16Uint8Function>(buffer);