[Bug tree-optimization/38275] bootstrap failure when -ftree-parallelize-loops=4 is enabled

[razya at gcc dot gnu dot org]

------- Comment #4 from razya at gcc dot gnu dot org  2009-09-03 09:14 -------
(In reply to comment #3)
> Subject: Bug 38275
> Author: razya
> Date: Thu Sep  3 08:59:25 2009
> New Revision: 151372
> URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151372
> Log:
> PR tree-optimization/38275
>         * tree-parloops.c (parallelize_loops): Replace profitability condition 
>         for expected number of iterations.
>         * testsuite/gcc.dg/autopar/reduc-1char.c: Increase number  
>         of iterations. Adjust the logic accordingly.
>         * testsuite/gcc.dg/autopar/reduc-2char.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-1.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-2.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-3.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-6.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-7.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-8.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-9.c: Ditto.
>         * testsuite/gcc.dg/autopar/pr39500-1.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-1short.c: Ditto.
>         * testsuite/gcc.dg/autopar/reduc-2short.c: Ditto.
>         * testsuite/gcc.dg/autopar/parallelization-1.c: Ditto.
> Modified:
>     trunk/gcc/ChangeLog
>     trunk/gcc/testsuite/gcc.dg/autopar/parallelization-1.c
>     trunk/gcc/testsuite/gcc.dg/autopar/pr39500-1.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-1.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-1char.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-1short.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-2.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-2char.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-2short.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-3.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-6.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-7.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-8.c
>     trunk/gcc/testsuite/gcc.dg/autopar/reduc-9.c
>     trunk/gcc/tree-parloops.c

Fixed in GCC4.5


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38275