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[Bug rtl-optimization/44695] [4.6 Regression] ice in simplify_subreg, at simplify-rtx.c:5117
- 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: 7 Jul 2010 21:11:48 -0000
- Subject: [Bug rtl-optimization/44695] [4.6 Regression] ice in simplify_subreg, at simplify-rtx.c:5117
- References: <bug-44695-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from hjl at gcc dot gnu dot org 2010-07-07 21:11 -------
Subject: Bug 44695
Author: hjl
Date: Wed Jul 7 21:11:25 2010
New Revision: 161933
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161933
Log:
Backport 8bit div/mod improvements.
gcc/
2010-07-07 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-07-04 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/44695
* config/i386/i386.md (extract_code): Removed.
(<u>divmodqi4): Likewise.
(divmodqi4): New.
(udivmodqi4): Likewise.
(divmodhiqi3): Change div/mod to HImode and extend operand 2 to
HImode.
(udivmodhiqi3): Likewise.
2010-06-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/44588
* config/i386/i386.md (extract_code): New.
(<u>divmodqi4): Likewise.
(divmodhiqi3): Likewise.
(udivmodhiqi3): Likewise.
(<u>divqi3): Remvoved.
gcc/testsuite/
2010-07-07 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-07-04 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/44695
* gcc.dg/torture/pr44695.c: New.
2010-06-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/44588
* gcc.target/i386/mod-1.c: New.
* gcc.target/i386/umod-1.c: Likewise.
* gcc.target/i386/umod-2.c: Likewise.
* gcc.target/i386/umod-3.c: Likewise.
Modified:
branches/ix86/gcc-4_5-branch/gcc/config/i386/i386.md
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44695