From 3bbc059c88bd193d73ba8d73e8aee875f42f1f97 Mon Sep 17 00:00:00 2001
From: PyYoshi <myoshi321go@gmail.com>
Date: Sun, 26 Feb 2017 17:01:24 +0900
Subject: [PATCH] support aarch64

---
 .../nspr-emu/prcpucfg_linux.h                 | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/src/ext/libcharsetdetect/nspr-emu/prcpucfg_linux.h b/src/ext/libcharsetdetect/nspr-emu/prcpucfg_linux.h
index 776c21e..2a6b66f 100644
--- a/src/ext/libcharsetdetect/nspr-emu/prcpucfg_linux.h
+++ b/src/ext/libcharsetdetect/nspr-emu/prcpucfg_linux.h
@@ -509,6 +509,52 @@
 #define PR_BYTES_PER_WORD_LOG2   2
 #define PR_BYTES_PER_DWORD_LOG2  3
 
+#elif defined(__aarch64__)
+
+#define IS_LITTLE_ENDIAN 1
+#undef  IS_BIG_ENDIAN
+#define IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   8
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   8
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    64
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   6
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    8
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD    8
+
+#define PR_BYTES_PER_WORD_LOG2   3
+#define PR_BYTES_PER_DWORD_LOG2  3
+
 #elif defined(__hppa__)
 
 #undef  IS_LITTLE_ENDIAN