UNALIGNED_WORD_ACCESS on ppc64

* include/ruby/defines.h, siphash.c, st.c (UNALIGNED_WORD_ACCESS):
  add PowerPC64 too, which is capable to access unaligned words.
  patched by Gustavo Frederico Temple Pedrosa in [ruby-core:63937].
  [Feature #10081]
* regint.h (PLATFORM_UNALIGNED_WORD_ACCESS): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46915 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,12 @@
+Wed Jul 23 23:50:11 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* include/ruby/defines.h, siphash.c, st.c (UNALIGNED_WORD_ACCESS):
+	  add PowerPC64 too, which is capable to access unaligned words.
+	  patched by Gustavo Frederico Temple Pedrosa in [ruby-core:63937].
+	  [Feature #10081]
+
+	* regint.h (PLATFORM_UNALIGNED_WORD_ACCESS): ditto.
+
 Wed Jul 23 04:04:38 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* lib/drb/extserv.rb: remove duplicate code with sample directory.

include/ruby/defines.h

@@ -264,6 +264,7 @@ void rb_ia64_flushrs(void);
 #ifndef UNALIGNED_WORD_ACCESS
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
      defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
+     defined(__powerpc64__) || \
      defined(__mc68020__)
 #   define UNALIGNED_WORD_ACCESS 1
 # else

regint.h

@@ -50,6 +50,7 @@
 
 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
     defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
+    defined(__powerpc64__) || \
     defined(__mc68020__)
 #define PLATFORM_UNALIGNED_WORD_ACCESS
 #endif

siphash.c

@@ -30,6 +30,7 @@
 #ifndef UNALIGNED_WORD_ACCESS
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
      defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
+     defined(__powerpc64__) || \
      defined(__mc68020__)
 #   define UNALIGNED_WORD_ACCESS 1
 # endif

st.c

@@ -1320,6 +1320,7 @@ strhash(st_data_t arg)
 #ifndef UNALIGNED_WORD_ACCESS
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
      defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
+     defined(__powerpc64__) || \
      defined(__mc68020__)
 #   define UNALIGNED_WORD_ACCESS 1
 # endif