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[Bug tree-optimization/24309] [4.1/4.2/4.3 Regression] ICE with -O3 -ftree-loop-linear
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Oct 2007 19:02:31 -0000
- Subject: [Bug tree-optimization/24309] [4.1/4.2/4.3 Regression] ICE with -O3 -ftree-loop-linear
- References: <bug-24309-8902@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from spop at gcc dot gnu dot org 2007-10-19 19:02 -------
Subject: Bug 24309
Author: spop
Date: Fri Oct 19 19:01:58 2007
New Revision: 129494
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129494
Log:
2007-10-19 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/23820
PR tree-optimization/24309
PR tree-optimization/33766
* testsuite/gcc.dg/tree-ssa/pr23820.c: New.
* testsuite/gcc.dg/tree-ssa/pr24309.c: New.
* testsuite/gcc.dg/tree-ssa/pr33766.c: New.
* testsuite/gcc.dg/tree-ssa/ltrans-3.c: XFAILed.
* tree-loop-linear.c (perfect_loop_nest_depth): New.
(linear_transform_loops): Use perfect_loop_nest_depth.
* lambda-code.c (perfect_nest_p): Outer loops in perfect nests
should have a single condition: their exit.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23820.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr24309.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr33766.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lambda-code.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ltrans-3.c
trunk/gcc/tree-loop-linear.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24309