Implement 8bit divmod patterns.

Implement 8bit divmod patterns.

gcc/

2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44588
	* config/i386/i386.md (extract_code): New.
	(<u>divmodqi4): Likewise.
	(divmodhiqi3): Likewise.
	(udivmodhiqi3): Likewise.
	(<u>divqi3): Remvoved.

gcc/testsuite/

2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44588
	* gcc.target/i386/mod-1.c: New.
	* gcc.target/i386/umod-1.c: Likewise.
	* gcc.target/i386/umod-2.c: Likewise.
	* gcc.target/i386/umod-3.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161329 138bc75d-0d04-0410-961f-82ee72b054a4