s390.h (S390_TDC_POSITIVE_ZERO): New constant.

s390.h (S390_TDC_POSITIVE_ZERO): New constant.

2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
	(S390_TDC_NEGATIVE_ZERO): New constant.
	(S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
	(S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
	(S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
	(S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
	(S390_TDC_POSITIVE_INFINITY): New constant.
	(S390_TDC_NEGATIVE_INFINITY): New constant.
	(S390_TDC_POSITIVE_QUIET_NAN): New constant.
	(S390_TDC_NEGATIVE_QUIET_NAN): New constant.
	(S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
	(S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
	(S390_TDC_INFINITY): New constant.
	* config/s390/s390.c (s390_canonicalize_comparison): Renamed
	UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
	optimization for UNSPEC_CCZ_TO_INT.
	* config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
	("*ccz_to_int"): New insn.
	("isinf<mode>2"): New insn.
	(UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
	(UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
	(UNSPEC_CCZ_TO_INT): New constant.

From-SVN: r123947