s390.md: ("hc"): New mode attribute.

s390.md: ("hc"): New mode attribute.

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md: ("hc"): New mode attribute.
	("extendhidi2", "extendqidi2"): Merge.
	("*extendhidi2", "*extendqidi2"): Merge.
	("extendhisi2", "extendqisi2"): Merge.
	("zero_extendhidi2", "zero_extendqidi2"): Merge.
	("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
	Merged 2 define_split.
	("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
	("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.

From-SVN: r99453