optimization/5200: Store Motion is broken

[aj@suse.de]

>Number:         5200
>Category:       optimization
>Synopsis:       Store Motion is broken
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Dec 26 20:06:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Andreas Jaeger
>Release:        unknown-1.0
>Organization:
>Environment:
Any environment
>Description:
Store Motion is currently broken.  For details look into these
messages and the discussion around it:

http://gcc.gnu.org/ml/gcc-patches/2001-11/msg00777.html
http://gcc.gnu.org/ml/gcc-patches/2001-11/msg00751.html
http://gcc.gnu.org/ml/gcc-patches/2001-08/msg00268.html

PR 5172 might also be a store motion bug.
>How-To-Repeat:

>Fix:
Disable Store motion as in Daniel's Patch from August
is one work-around.
>Release-Note:
>Audit-Trail:
>Unformatted: