[Bug rtl-optimization/37782] [4.4 regression] Stage2 ada compiler miscompiled

["jsm28 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37782

--- Comment #13 from Joseph S. Myers <jsm28 at gcc dot gnu.org> 2011-12-02 16:54:33 UTC ---
Author: jsm28
Date: Fri Dec  2 16:54:27 2011
New Revision: 181929

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181929
Log:
    Revert:

    2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

    PR rtl-opt/37451
    * loop-doloop.c (doloop_modify): New argument zero_extend_p and
    zero extend count after the correction to it is done.
    (doloop_optimize): Update call to doloop_modify, don't zero extend
    count before call.

    2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

    PR rtl-opt/37782
    * loop-doloop.c (doloop_modify): Add from_mode argument that says what
    mode count is in.
    (doloop_optimize): Update call to doloop_modify.

testsuite:
    * gcc.c-torture/execute/doloop-1.c,
    gcc.c-torture/execute/doloop-2.c: New tests.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/doloop-1.c
    trunk/gcc/testsuite/gcc.c-torture/execute/doloop-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-doloop.c
    trunk/gcc/testsuite/ChangeLog

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