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[Bug tree-optimization/64183] [5.0 Regression] Complete unroll doesn't happen for a while-loop
- 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: Sat, 06 Dec 2014 13:11:03 +0000
- Subject: [Bug tree-optimization/64183] [5.0 Regression] Complete unroll doesn't happen for a while-loop
- Auto-submitted: auto-generated
- References: <bug-64183-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64183
--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Sat Dec 6 13:10:31 2014
New Revision: 218447
URL: https://gcc.gnu.org/viewcvs?rev=218447&root=gcc&view=rev
Log:
PR tree-optimization/64183
* c-gimplify.c (c_gimplify_expr): Don't convert the RHS of a
shift-expression if it is integer_type_node. Use types_compatible_p.
* gcc.dg/tree-ssa/pr64183.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr64183.c
Modified:
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-gimplify.c
trunk/gcc/testsuite/ChangeLog