| Message ID | CAFULd4ZRft+92Q189URzN0cfULBw2AEbD7fbwLBTQXgdbE_oFw@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
On Sat, Sep 7, 2013 at 10:15 AM, Uros Bizjak <ubizjak@gmail.com> wrote: > Hello! > > It looks that it is too hard for the compiler to track deref_align > initialization through dependent deref_base boolean. The patch bellow > fixes "may be used uninitialized" warning that breaks > profiledbootstrap. > > 2013-09-07 Uros Bizjak <ubizjak@gmail.com> > > * ipa-prop.c (ipa_modify_call_arguments): Initialize deref_align. > > Tested on x86_64-pc-linux-gnu with LTO profiledbootstrap. > > OK for mainline? Ok. Thanks, Richard. > Uros.
Index: ipa-prop.c =================================================================== --- ipa-prop.c (revision 202352) +++ ipa-prop.c (working copy) @@ -3526,7 +3526,7 @@ ipa_modify_call_arguments (struct cgraph_edge *cs, { tree expr, base, off; location_t loc; - unsigned int deref_align; + unsigned int deref_align = 0; bool deref_base = false; /* We create a new parameter out of the value of the old one, we can
Hello! It looks that it is too hard for the compiler to track deref_align initialization through dependent deref_base boolean. The patch bellow fixes "may be used uninitialized" warning that breaks profiledbootstrap. 2013-09-07 Uros Bizjak <ubizjak@gmail.com> * ipa-prop.c (ipa_modify_call_arguments): Initialize deref_align. Tested on x86_64-pc-linux-gnu with LTO profiledbootstrap. OK for mainline? Uros.