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[Bug tree-optimization/68644] [6/7 Regression] FAIL: gcc.dg/tree-ssa/ivopts-lt-2.c scan-tree-dump-times ivopts "PHI <p_" 1
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 21 Feb 2017 14:20:45 +0000
- Subject: [Bug tree-optimization/68644] [6/7 Regression] FAIL: gcc.dg/tree-ssa/ivopts-lt-2.c scan-tree-dump-times ivopts "PHI <p_" 1
- Auto-submitted: auto-generated
- References: <bug-68644-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68644
--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
For PA it selects i as IV (reasonable). For power it looks like it tries to
use
sth with auto-inc (pre-inc). Not sure if that's reasonable cost-wise. You
decide (and then skip, like for PA, if so).