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[Bug rtl-optimization/78241] [7 Regression] wrong code with -funroll-loops
- From: "pthaugen at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 03 Feb 2017 14:21:02 +0000
- Subject: [Bug rtl-optimization/78241] [7 Regression] wrong code with -funroll-loops
- Auto-submitted: auto-generated
- References: <bug-78241-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78241
--- Comment #5 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
Author: pthaugen
Date: Fri Feb 3 14:20:30 2017
New Revision: 245152
URL: https://gcc.gnu.org/viewcvs?rev=245152&root=gcc&view=rev
Log:
PR rtl-optimization/78241
* loop-unroll.c (unroll_loop_runtime_iterations): Don't adjust 'niter',
but
emit initial peel copy if niter expr is not reliable.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.target/powerpc/pr70669.c