re PR rtl-optimization/50749 (Auto-inc-dec does not find subsequent contiguous mem accesses)
PR target/50749
* gcc.target/sh/pr50749-sf-postinc-2.c: New.
* gcc.target/sh/pr50749-sf-postinc-4.c: New.
* gcc.target/sh/pr50749-qihisi-postinc-2.c: New.
* gcc.target/sh/pr50749-qihisi-postinc-4.c: New.
* gcc.target/sh/pr50749-sf-predec-2.c: New.
* gcc.target/sh/pr50749-sf-predec-4.c: New.
* gcc.target/sh/pr50749-qihisi-predec-1.c: New.
* gcc.target/sh/pr50749-qihisi-predec-3.c: New.
* gcc.target/sh/pr50749-sf-postinc-1.c: New.
* gcc.target/sh/pr50749-sf-postinc-3.c: New.
* gcc.target/sh/pr50749-qihisi-postinc-1.c: New.
* gcc.target/sh/pr50749-qihisi-postinc-3.c: New.
* gcc.target/sh/pr50749-sf-predec-1.c: New.
* gcc.target/sh/pr50749-sf-predec-3.c: New.
* gcc.target/sh/pr50749-qihisi-predec-2.c: New.
* gcc.target/sh/pr50749-qihisi-predec-4.c: New.
From-SVN: r188426