From 101d8964f1cf0a390e94e20139a6262cb727d4ad Mon Sep 17 00:00:00 2001
From: Cameron Cawley <ccawley2011@gmail.com>
Date: Sun, 13 May 2018 11:34:45 +0100
Subject: [PATCH] common: Fix compilation on ARM

---
 src/common/common_funcs.h | 4 +---
 src/common/swap.h         | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h
index d1a716d11..ecb71224c 100644
--- a/src/common/common_funcs.h
+++ b/src/common/common_funcs.h
@@ -4,7 +4,7 @@
 
 #pragma once
 
-#if !defined(ARCHITECTURE_x86_64) && !defined(ARCHITECTURE_ARM)
+#if !defined(ARCHITECTURE_x86_64)
 #include <cstdlib> // for exit
 #endif
 #include "common/common_types.h"
@@ -32,8 +32,6 @@
 
 #ifdef ARCHITECTURE_x86_64
 #define Crash() __asm__ __volatile__("int $3")
-#elif defined(ARCHITECTURE_ARM)
-#define Crash() __asm__ __volatile__("trap")
 #else
 #define Crash() exit(1)
 #endif
diff --git a/src/common/swap.h b/src/common/swap.h
index f025f7450..3970a42a1 100644
--- a/src/common/swap.h
+++ b/src/common/swap.h
@@ -69,7 +69,7 @@ inline u32 swap32(u32 _data) {
 inline u64 swap64(u64 _data) {
     return _byteswap_uint64(_data);
 }
-#elif ARCHITECTURE_ARM
+#elif defined(ARCHITECTURE_ARM) && (__ARM_ARCH >= 6)
 inline u16 swap16(u16 _data) {
     u32 data = _data;
     __asm__("rev16 %0, %1\n" : "=l"(data) : "l"(data));