[patch] powerpc64 FreeBSD support for boehm-gc

[Andreas Tobler]

Hi,

the below patch adds support for powerpc64 FreeBSD for the boehm-gc.
The diff is already available in boehm-gc trunk.
Ok for gcc trunk?

Thanks,
Andreas

2013-12-20  Andreas Tobler  <andreast@gcc.gnu.ch>

	* include/private/gcconfig.h: Add FreeBSD powerpc64 defines.


Index: include/private/gcconfig.h
===================================================================
--- include/private/gcconfig.h	(revision 206155)
+++ include/private/gcconfig.h	(working copy)
@@ -849,7 +849,15 @@
 #     define NO_PTHREAD_TRYLOCK
 #   endif
 #   ifdef FREEBSD
+#   if defined(__powerpc64__)
+#       define ALIGNMENT 8
+#       define CPP_WORDSZ 64
+#       ifndef HBLKSIZE
+#           define HBLKSIZE 4096
+#       endif
+#   else
 #       define ALIGNMENT 4
+#   endif
 #       define OS_TYPE "FREEBSD"
 #       ifndef GC_FREEBSD_THREADS
 #           define MPROTECT_VDB