re PR target/44583 (c-c++-common/torture/complex-sign-add.c fails for signed zeros)

re PR target/44583 (c-c++-common/torture/complex-sign-add.c fails for signed zeros)

2010-07-29  Steve Ellcey  <sje@cup.hp.com>

	PR target/44583
	* config/ia64/constraints.md (Z): New.
	* config/ia64/predicates.md (fr_reg_or_signed_fp01_operand): New.
	(xfreg_or_signed_fp01_operand): New.
	* config/ia64/ia64.md (addsf3): Replace fr_reg_or_fp01_operand
	with fr_reg_or_signed_fp01_operand and constraint G with Z.
	(subsf3): Ditto.
	(*maddsf4): Ditto.
	(*msubsf4): Ditto.
	(adddf3): Ditto.
	(adddf3_trunc): Ditto.
	(subdf3): Ditto.
	(*subdf3_trunc): Ditto.
	(*madddf4): Ditto.
	(*madddf4_trunc): Ditto.
	(*msubdf4): Ditto.
	(*msubdf4_trunc): Ditto.
	(addxf3): Replace xfreg_or_fp01_operand with
	xfreg_or_signed_fp01_operand and constraint G with Z.
	(*addxf3_truncsf): Ditto.
	(*addxf3_truncdf): Ditto.
	(subxf3): Ditto.
	(*subxf3_truncsf): Ditto.
	(*subxf3_truncdf): Ditto.
	(*maddxf4): Ditto.
	(*maddxf4_truncsf): Ditto.
	(*maddxf4_truncdf): Ditto.
	(*msubxf4): Ditto.
	(*msubxf4_truncsf): Ditto.
	(*msubxf4_truncdf): Ditto.

From-SVN: r162869