This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug tree-optimization/32328] [4.2/4.3 Regression] -fstrict-aliasing causes skipped code



------- Comment #13 from dberlin at gcc dot gnu dot org  2007-06-20 20:09 -------
(In reply to comment #10)
> trunk has the same problem, but different constraints:
> 
> Constraints:
> 
> ANYTHING = &ANYTHING
> READONLY = &ANYTHING
> INTEGER = &ANYTHING
> barptr = &bar1
> barptr.0_1 = barptr
> 
> Points-to sets
> 
> NULL = { }
> ANYTHING = { ANYTHING }
> READONLY = { ANYTHING }
> INTEGER = { ANYTHING }
> barptr = { bar1 }
> bar1 = { }
> barptr.0_1 = same as barptr
> 


Same thing, when we see call(&barptr), we should say barptr = ANYTHING.
.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32328


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]