* include/ruby/defines.h (SIZEOF_ACTUAL_BDIGIT): Defined.

* include/ruby/ruby.h (RBIGNUM_EMBED_LEN_MAX): Use
  SIZEOF_ACTUAL_BDIGIT instead of SIZEOF_BDIGITS.
  SIZEOF_BDIGITS can be different to sizeof(BDIGIT).



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Sun Nov 24 18:13:23 2013  Tanaka Akira  <akr@fsij.org>
+
+	* include/ruby/defines.h (SIZEOF_ACTUAL_BDIGIT): Defined.
+
+	* include/ruby/ruby.h (RBIGNUM_EMBED_LEN_MAX): Use
+	  SIZEOF_ACTUAL_BDIGIT instead of SIZEOF_BDIGITS.
+	  SIZEOF_BDIGITS can be different to sizeof(BDIGIT).
+
 Sun Nov 24 13:49:08 2013  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/defines.h: Don't use int128_t for Bignum.

include/ruby/defines.h

@@ -168,12 +168,16 @@ void xfree(void*);
 # else
 #  define BDIGIT unsigned short
 #  define SIZEOF_BDIGITS (SIZEOF_LONG/2)
+#  define SIZEOF_ACTUAL_BDIGIT SIZEOF_LONG
 #  define BDIGIT_DBL unsigned long
 #  define BDIGIT_DBL_SIGNED long
 #  define PRI_BDIGIT_PREFIX "h"
 #  define PRI_BDIGIT_DBL_PREFIX "l"
 # endif
 #endif
+#ifndef SIZEOF_ACTUAL_BDIGIT
+# define SIZEOF_ACTUAL_BDIGIT SIZEOF_BDIGITS
+#endif
 
 #ifdef PRI_BDIGIT_PREFIX
 # define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"

include/ruby/ruby.h

@@ -1069,8 +1069,8 @@ struct RStruct {
 
 #define RBIGNUM_EMBED_LEN_NUMBITS 3
 #ifndef RBIGNUM_EMBED_LEN_MAX
-# if (SIZEOF_VALUE*3/SIZEOF_BDIGITS) < (1 << RBIGNUM_EMBED_LEN_NUMBITS)-1
-#   define RBIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_BDIGITS)
+# if (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) < (1 << RBIGNUM_EMBED_LEN_NUMBITS)-1
+#   define RBIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT)
 # else
 #   define RBIGNUM_EMBED_LEN_MAX ((1 << RBIGNUM_EMBED_LEN_NUMBITS)-1)
 # endif