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

	* config/i386/i386-protos.h (ix86_expand_trunc): Declare.
	(ix86_expand_truncdf_32): Likewise.
	* config/i386/i386.c (ix86_expand_trunc): New function expanding
	trunc inline for SSE math and -fno-trapping-math and if not
	optimizing for size.
	(ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
	* config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
	for expanding btrunc inline for SSE math.

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


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118148 138bc75d-0d04-0410-961f-82ee72b054a4