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[Bug tree-optimization/47407] gcc.dg/tree-ssa/pr42585.c FAILs on Tru64 UNIX V5.1B
- From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 27 Jul 2011 16:24:51 +0000
- Subject: [Bug tree-optimization/47407] gcc.dg/tree-ssa/pr42585.c FAILs on Tru64 UNIX V5.1B
- Auto-submitted: auto-generated
- References: <bug-47407-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47407
--- Comment #3 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2011-07-27 16:24:19 UTC ---
> --- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-27 14:18:12 UTC ---
> Like for many other targets that skip this test, the value of
> MOVE_RATIO of the target can simply be too small for SRA to consider
> total scalarization profitable.
>
> With the current trunk you can easily verify this by compiling the
> testcase with -fdump-tree-sra-details and then looking into the SRA
> dumps. If they contain the string "Too big to totally scalarize: "
> then this is exactly the issue. In such case, please skip the test on
> the target. If not, then let me known here. Thanks.
That's exactly what I find. I'll skip the test on alpha*-dec-osf*.
Thanks.
Rainer