[Bug target/53976] [SH] Unnecessary clrt after bt

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53976

--- Comment #7 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Author: olegendo
Date: Mon Nov 25 16:47:16 2013
New Revision: 205358

URL: http://gcc.gnu.org/viewcvs?rev=205358&root=gcc&view=rev
Log:
    PR target/53976
    PR target/59243
    * config/sh/sh_optimize_sett_clrt.cc (struct ccreg_value): Update
    comments.
    (sh_optimize_sett_clrt::find_last_ccreg_values): Check stack of
    previously visited basic blocks before recursing instead of only one
    basic block.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/sh_optimize_sett_clrt.cc