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[Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 04 Apr 2013 15:53:25 +0000
- Subject: [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
- Auto-submitted: auto-generated
- References: <bug-48186-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-04 15:53:25 UTC ---
Author: mpolacek
Date: Thu Apr 4 15:52:54 2013
New Revision: 197488
URL: http://gcc.gnu.org/viewcvs?rev=197488&root=gcc&view=rev
Log:
PR tree-optimization/48186
* predict.c (maybe_hot_frequency_p): Return false if
HOT_BB_FREQUENCY_FRACTION is 0.
(cgraph_maybe_hot_edge_p): Likewise.
* gcc.dg/pr48186.c: New test.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr48186.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/predict.c
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog