s390.c (s390_expand_mask_and_shift, [...]): New.

s390.c (s390_expand_mask_and_shift, [...]): New.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.c (s390_expand_mask_and_shift,
	struct alignment_context, init_alignment_context,
	s390_expand_cs_hqi): New.
	* config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
	* config/s390/s390.md ("sync_compare_and_swaphi",
	"sync_compare_and_swapqi"): New pattern.

	* lib/target-supports.exp (check_effective_target_sync_char_short):
	Add s390*.

From-SVN: r108178