[Bug target/51244] [SH] Inefficient conditional branch and code around T bit

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244

--- Comment #75 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Author: olegendo
Date: Fri May 16 22:54:32 2014
New Revision: 210535

URL: http://gcc.gnu.org/viewcvs?rev=210535&root=gcc&view=rev
Log:
gcc/
    PR target/51244
    * config/sh/sh.c (sh_eval_treg_value): Handle t_reg_operand and
    negt_reg_operand cases.
    * config/sh/sh.md (*cset_zero): Likewise by using cbranch_treg_value
    predicate.
    * config/sh/predicates.md (cbranch_treg_value): Simplify.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/predicates.md
    trunk/gcc/config/sh/sh.c
    trunk/gcc/config/sh/sh.md