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[Bug tree-optimization/48189] [4.6/4.7/4.8 Regression] ICE: SIGFPE (division by zero) in in predict_loops () at predict.c:991 with --param max-predicted-iterations=0
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 09 Jan 2013 09:00:32 +0000
- Subject: [Bug tree-optimization/48189] [4.6/4.7/4.8 Regression] ICE: SIGFPE (division by zero) in in predict_loops () at predict.c:991 with --param max-predicted-iterations=0
- Auto-submitted: auto-generated
- References: <bug-48189-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48189
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-09 09:00:32 UTC ---
Author: jakub
Date: Wed Jan 9 09:00:22 2013
New Revision: 195046
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195046
Log:
PR tree-optimization/48189
* predict.c (predict_loops): If max is 0, don't call compare_tree_int.
If nitercst is 0, don't predict the exit edge.
* gcc.dg/pr48189.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr48189.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/predict.c
trunk/gcc/testsuite/ChangeLog