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[Bug tree-optimization/28887] [4.2 Regression] rejects valid code (bitfields and loops) with -O1 -fprefetch-loop-arrays
- From: "sayle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Sep 2006 01:54:44 -0000
- Subject: [Bug tree-optimization/28887] [4.2 Regression] rejects valid code (bitfields and loops) with -O1 -fprefetch-loop-arrays
- References: <bug-28887-11811@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from sayle at gcc dot gnu dot org 2006-09-18 01:54 -------
Subject: Bug 28887
Author: sayle
Date: Mon Sep 18 01:54:33 2006
New Revision: 117012
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117012
Log:
2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28887
* tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
component parts from the reference.
(gather_memory_references_ref): Record the reference without the
nonaddressable component parts.
* gcc.dg/prefetch-loop-arrays-1.c: New test case.
Added:
trunk/gcc/testsuite/gcc.dg/prefetch-loop-arrays-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-prefetch.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28887