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[Bug middle-end/35897] DSE doesn't support targets with wide registers
- From: "hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Apr 2008 14:06:39 -0000
- Subject: [Bug middle-end/35897] DSE doesn't support targets with wide registers
- References: <bug-35897-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl at gcc dot gnu dot org 2008-04-10 14:06 -------
Subject: Bug 35897
Author: hjl
Date: Thu Apr 10 14:05:52 2008
New Revision: 134163
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134163
Log:
2008-04-09 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/35897
* dse.c (store_info): Add a FIXME for positions_needed.
(fill_bitmask): New.
(record_store): Assert width <= size of positions_needed *
CHAR_BIT. Call fill_bitmask to initialize positions_needed.
(check_mem_read_rtx): Use long on mask. Call fill_bitmask to
set mask.
Modified:
branches/ix86/avx/gcc/ChangeLog.avx
branches/ix86/avx/gcc/dse.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35897