ARM64: VIXL: Support a newer version of VIXL.

Please note that compiling VIXL with -Wshadow is a known VIXL issue.

This will be resolved in a later version of VIXL, when we can drop
the deprecated API for getters and setters.

For more info take a look at VIXL_DEPRECATED in the VIXL source code.

Change-Id: Iea30b1a7b065f9b16a92c6cc7ebdc50ef068b348
diff --git a/compiler/utils/arm64/assembler_arm64.cc b/compiler/utils/arm64/assembler_arm64.cc
index 22221e7..19450b3 100644
--- a/compiler/utils/arm64/assembler_arm64.cc
+++ b/compiler/utils/arm64/assembler_arm64.cc
@@ -36,7 +36,7 @@
 }
 
 size_t Arm64Assembler::CodeSize() const {
-  return vixl_masm_.GetBufferCapacity() - vixl_masm_.GetRemainingBufferSpace();
+  return vixl_masm_.GetSizeOfCodeGenerated();
 }
 
 const uint8_t* Arm64Assembler::CodeBufferBaseAddress() const {
diff --git a/compiler/utils/arm64/assembler_arm64.h b/compiler/utils/arm64/assembler_arm64.h
index 4e88e64..2847cb8 100644
--- a/compiler/utils/arm64/assembler_arm64.h
+++ b/compiler/utils/arm64/assembler_arm64.h
@@ -27,13 +27,11 @@
 #include "utils/assembler.h"
 #include "offsets.h"
 
-// TODO: make vixl clean wrt -Wshadow, -Wunknown-pragmas, -Wmissing-noreturn
+// TODO(VIXL): Make VIXL compile with -Wshadow.
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunknown-pragmas"
 #pragma GCC diagnostic ignored "-Wshadow"
-#pragma GCC diagnostic ignored "-Wmissing-noreturn"
-#include "a64/disasm-a64.h"
-#include "a64/macro-assembler-a64.h"
+#include "aarch64/disasm-aarch64.h"
+#include "aarch64/macro-assembler-aarch64.h"
 #pragma GCC diagnostic pop
 
 namespace art {
diff --git a/compiler/utils/arm64/jni_macro_assembler_arm64.h b/compiler/utils/arm64/jni_macro_assembler_arm64.h
index 79ee441..b9f6854 100644
--- a/compiler/utils/arm64/jni_macro_assembler_arm64.h
+++ b/compiler/utils/arm64/jni_macro_assembler_arm64.h
@@ -29,12 +29,10 @@
 #include "utils/jni_macro_assembler.h"
 #include "offsets.h"
 
-// TODO: make vixl clean wrt -Wshadow, -Wunknown-pragmas, -Wmissing-noreturn
+// TODO(VIXL): Make VIXL compile with -Wshadow.
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunknown-pragmas"
 #pragma GCC diagnostic ignored "-Wshadow"
-#pragma GCC diagnostic ignored "-Wmissing-noreturn"
-#include "a64/macro-assembler-a64.h"
+#include "aarch64/macro-assembler-aarch64.h"
 #pragma GCC diagnostic pop
 
 namespace art {