i386-protos.h (ix86_expand_floorceil): Declare.

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

	* config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
	(ix86_expand_floorceildf_32): Likewise.
	* config/i386/i386.c (ix86_expand_sse_compare_mask): New
	static helper function.
	(ix86_expand_floorceil): Expander for floor and ceil to SSE
	math.
	(ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
	* config/i386/i386.md (floordf2): Adjust to enable floor
	expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
	-fno-trapping-math is enabled and if not optimizing for size.
	(floorsf2, ceildf2, ceilsf2): Likewise.
	* config/i386/sse.md (sse_maskcmpsf3): New insn.
	(sse2_maskcmpdf3): Likewise.

	* gcc.target/i386/math-torture/ceil.c: New testcase.
	* gcc.target/i386/math-torture/floor.c: Likewise.

From-SVN: r118145