This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/72824] [5/6/7 Regression] Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns)
- 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: Tue, 09 Aug 2016 07:49:46 +0000
- Subject: [Bug tree-optimization/72824] [5/6/7 Regression] Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns)
- Auto-submitted: auto-generated
- References: <bug-72824-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72824
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Aug 9 07:49:14 2016
New Revision: 239275
URL: https://gcc.gnu.org/viewcvs?rev=239275&root=gcc&view=rev
Log:
PR tree-optimization/72824
* tree-loop-distribution.c (const_with_all_bytes_same): Verify
real_zerop is not negative.
* gcc.c-torture/execute/ieee/pr72824.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-loop-distribution.c