* config/i386/i386.md (any_rotate): New code iterator.
	(rotate_insn): New code attribute.
	(rotate): Ditto.
	(SWIM124): New mode iterator.
	(<rotate_insn>ti3): New expander.
	(<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
	any_rotate code iterator.
	(<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
	using any_rotate code iterator and SWIM124 mode iterator.
	(ix86_rotlti3): New insn_and_split pattern.
	(ix86_rotrti3): Ditto.
	(ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
	ix86_rotl{di,ti}3 patterns.
	(ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
	(*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
	and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
	*{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
	code iterator and SWI mode iterator.
	(*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
	Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
	code iterator.
	(*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
	Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
	(bswap rotatert splitter): Add splitter.
	(bswap splitter): Macroize splitter using any_rotate code iterator.
	Add insn predicate to split only for TARGET_USE_XCHGB or when
	optimizing function for size.

testsuite/ChangeLog:

	* gcc.target/i386/rotate-2.c: New test.

From-SVN: r158243