PR target/51244
* config/sh/sh.md: Add negc extu sequence peephole.
(movrt, movnegt, movrt_negc, nott): Use t_reg_operand predicate.
(*movrt_negc): New insn.
* config/sh/sync.md (atomic_test_and_set): Pass gen_t_reg_rtx to
gen_movnegt.
* config/sh/sh.c (expand_cbranchsi4, sh_emit_scc_to_t,
sh_emit_compare_and_branch, sh_emit_compare_and_set): Use get_t_reg_rtx.
(sh_expand_t_scc): Pass gen_t_reg_rtx to gen_movnegt.
PR target/51244
* gcc.target/sh/pr51244-5: New.
* gcc.target/sh/pr51244-6: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190258 138bc75d-0d04-0410-961f-82ee72b054a4