i386-protos.h (ix86_expand_round): Declare.

2006-10-29  Richard Guenther  <rguenther@suse.de>

	* config/i386/i386-protos.h (ix86_expand_round): Declare.
	(ix86_expand_rounddf_32): Likewise.
	* config/i386/i386.c (ix86_expand_round): New function expanding
	round inline for SSE math and -fno-trapping-math and if not
	optimizing for size.
	(ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
	* config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
	round via ix86_expand_round.

	* gcc.target/i386/math-torture/round.c: New testcase.

From-SVN: r118146