[Bug rtl-optimization/28011] [4.1/4.2 Regression] [SH] g++ generates wrong code, if '-fno-exceptions' and '-O' options are specified

[kkojima at gcc dot gnu dot org]

------- Comment #4 from kkojima at gcc dot gnu dot org  2007-06-20 05:47 -------
Subject: Bug 28011

Author: kkojima
Date: Wed Jun 20 05:47:09 2007
New Revision: 125871

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125871
Log:
        PR rtl-optimization/28011
        Backport from mainline.
        * reload.c (push_reload): Set dont_share if IN appears in OUT
        also when IN is a PLUS rtx.
        (reg_overlap_mentioned_for_reload_p): Return true if X and IN
        are same PLUS rtx.


Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/reload.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28011