[Bug target/54236] [SH] Improve addc and subc insn utilization

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236

--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-09-19 17:45:53 UTC ---
Author: olegendo
Date: Wed Sep 19 17:45:37 2012
New Revision: 191489

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191489
Log:
    PR target/54236
    * config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.

    PR target/54236
    * gcc.target/sh/pr54236-1.c (test_08): Add one bit left shift case.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/sh.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/sh/pr54236-1.c