2015-01-31  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/extend.texi: Use "x86", "x86-32", and "x86-64" as the
	preferred names of the architecture and its 32- and 64-bit
	variants.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.

From-SVN: r220309