* config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG

	* config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
	when generating cltd insn.

	(*ashl<mode>3_1): Remove special handling for register operand 2.
	(*ashlsi3_1_zext): Ditto.
	(*ashlhi3_1): Ditto.
	(*ashlhi3_1_lea): Ditto.
	(*ashlqi3_1): Ditto.
	(*ashlqi3_1_lea): Ditto.
	(*<shiftrt_insn><mode>3_1): Ditto.
	(*<shiftrt_insn>si3_1_zext): Ditto.
	(*<shiftrt_insn>qi3_1_slp): Ditto.
	(*<rotate_insn><mode>3_1): Ditto.
	(*<rotate_insn>si3_1_zext): Ditto.
	(*<rotate_insn>qi3_1_slp): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158261 138bc75d-0d04-0410-961f-82ee72b054a4