* config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
	New prototype.
	* config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
	Emit clobber also for non-sse operations.
	(ix86_split_fp_absneg_operator): New function.
	* config/i386/i386.md (SSEMODEF): New mode iterator.
	(ssevecmodef): New mode attribute.
	(<code>tf2): Use absneg code iterator.
	(*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
	Add three-operand AVX alternatives.
	(*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
	Use absneg code iterator and X87MODEF mode iterator.
	(absneg fp_reg non-sse splitter): Call absneg code iterator
	and X87MODEF mode iterator.
	(absneg general_reg non-sse splitter): Use absneg code iterator
	and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
	(*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
	code iterator.  Add three-operand AVX alternative.
	(absneg sse_reg splitter): Use absneg code iterator
	and SSEMODEF mode iterator.  Handle AVX operands.
	(absneg fp_reg splitter): Use absneg code iterator
	and MODEF mode iterator.
	(absneg general_reg splitter): Merge splitters using MODEF mode
	iterator.  Use absneg code iterator.  Call
	ix86_split_fp_absneg_operator.
	(*<code><mode>2_i387): Rename from *<code><mode>2_1.
	Do not enable for non-sse modes before reload.
	(CSGNMODE): Remove.
	(CSGNVMODE): Ditto.
	(copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
	ssevecmodef mode attribute instaed of CSGNVMODE.
	(copysign<mode>3_const): Ditto.
	(copysign<mode>3_var): Ditto.
	* config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
	Use absneg code iterator.  Simplify code using std::swap.
	* config/i386/predicates.md (absneg_operator): Remove.

From-SVN: r272123