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From: "burnus at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/40873]  New: -fwhole-file -fwhole-program: Wrong decls cause too much to be optimized away
Date: Mon, 27 Jul 2009 13:57:00 -0000	[thread overview]
Message-ID: <bug-40873-13404@http.gcc.gnu.org/bugzilla/> (raw)

The option -fwhole-programs marks all functions in that file as local to that
file, which facilitates inlining and dead-code elimination.

That of cause assumes that all declarations are properly unified, which should
be the case with -fwhole-file. However, the following Polyhedron testcases fail
  ac, aermod, doduc, gas_dyn, linpk, mdbx, rnflow and test_fpu
at link time as too many functions have been elimated:

$ gfortran -fwhole-program -O1 linpk.f90
/tmp/ccWhxrXN.o: In function `MAIN__':
linpk.f90:(.text+0x759): undefined reference to `daxpy_'
linpk.f90:(.text+0x7c7): undefined reference to `daxpy_'


-- 
           Summary: -fwhole-file -fwhole-program: Wrong decls cause too much
                    to be optimized away
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: rejects-valid
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: burnus at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40873


             reply	other threads:[~2009-07-27 13:57 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-27 13:57 burnus at gcc dot gnu dot org [this message]
2009-07-27 14:47 ` [Bug fortran/40873] " burnus at gcc dot gnu dot org
2009-07-28 13:12 ` rguenth at gcc dot gnu dot org
2009-09-22 15:34 ` rguenth at gcc dot gnu dot org
2009-09-22 15:42 ` rguenth at gcc dot gnu dot org
2010-05-15 19:54 ` dominiq at lps dot ens dot fr
2010-05-16 10:53 ` rguenth at gcc dot gnu dot org
2010-05-16 11:01 ` dominiq at lps dot ens dot fr
2010-05-16 11:04 ` rguenther at suse dot de
2010-05-16 11:17 ` dominiq at lps dot ens dot fr
2010-05-16 11:21 ` rguenther at suse dot de
2010-05-20 13:51 ` pault at gcc dot gnu dot org
2010-05-24 12:32 ` pault at gcc dot gnu dot org
2010-05-26 14:28 ` burnus at gcc dot gnu dot org
2010-05-26 14:41 ` dominiq at lps dot ens dot fr
2010-05-26 14:46 ` burnus at gcc dot gnu dot org
2010-06-09 22:10 ` fxcoudert at gcc dot gnu dot org
2010-07-24 18:15 ` jv244 at cam dot ac dot uk
2010-07-24 19:13 ` burnus at gcc dot gnu dot org
2010-07-24 20:16 ` burnus at gcc dot gnu dot org
2010-07-24 22:05 ` burnus at gcc dot gnu dot org
2010-07-25 10:03 ` dominiq at lps dot ens dot fr
2010-07-25 10:14 ` burnus at gcc dot gnu dot org
2010-07-26 13:25 ` burnus at gcc dot gnu dot org
2010-07-26 17:02 ` dominiq at lps dot ens dot fr
2010-07-26 17:04 ` burnus at gcc dot gnu dot org
2010-07-26 21:00 ` dominiq at lps dot ens dot fr
2010-07-27  8:44 ` burnus at gcc dot gnu dot org
2010-07-27  8:46 ` burnus at gcc dot gnu dot org

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