PR optimization/13260

	PR optimization/13260
	* sh-protos.h (sh_expand_t_scc): Declare.
	* sh.h (PREDICATE_CODES): Add cmpsi_operand.
	* sh.c (cmpsi_operand, sh_expand_t_scc): New functions.
	* sh.md (cmpsi): Use cmpsi_operand.  If T_REG is compared to
	something that is not a CONST_INT, copy it into a pseudo register.
	(subc): Fix description of new T value.
	(slt, sgt, sge, sgtu): Don't clobber T after rtl generation is over.
	(sltu, sleu, sgeu): Likewise.
	(seq, sne): Likewise. Use sh_expand_t_scc.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74294 138bc75d-0d04-0410-961f-82ee72b054a4