Bug#93786: marked as done (arm-loop.dpatch)
Your message dated Sat, 14 Apr 2001 21:57:29 +0200 (MEST)
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and subject line Bug#93786: arm-loop.dpatch
has caused the attached Bug report to be marked as done.
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(administrator, Debian Bugs database)
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>From philb@gnu.org Thu Apr 12 14:59:45 2001
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To: submit@bugs.debian.org
Subject: arm-loop.dpatch
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Date: Thu, 12 Apr 2001 20:59:42 +0100
From: Philip Blundell <philb@gnu.org>
Message-Id: <E14nnFm-0008Uq-00@kings-cross.london.uk.eu.org>
Delivered-To: submit@bugs.debian.org
Package: gcc-2.95
Version: 1:2.95.3-11
This patch fixes a problem compiling binutils on ARM. It's already installed
on the 2.95 branch in CVS, but if future packages are going to use the 2.95.3
tarball it would be good to have this included.
#! /bin/sh -e
# DP: Fix for SUBREG problems
src=gcc
if [ $# -eq 3 -a "$2" = '-d' ]; then
pdir="-d $3"
src=$3/gcc
elif [ $# -ne 1 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
case "$1" in
-patch)
patch $pdir -f --no-backup-if-mismatch -p1 --fuzz 10 < $0
cd $src && autoconf
;;
-unpatch)
patch $pdir -f --no-backup-if-mismatch -R -p1 --fuzz 10 < $0
cd $src && autoconf
;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
2001-04-03 Bernd Schmidt <bernds@redhat.com>
* loop.c (combine_movables): Restrict combinations of constants with
different modes so that we don't introduce SUBREGs into memory
addresses.
--- src/gcc/loop.c 2001/01/25 14:03:18 1.156.4.20
+++ src/gcc/loop.c 2001/04/03 12:09:42 1.156.4.21
@@ -1481,10 +1481,16 @@ combine_movables (movables, nregs)
width as M1. The check for integer is redundant, but
safe, since the only case of differing destination
modes with equal sources is when both sources are
- VOIDmode, i.e., CONST_INT. */
+ VOIDmode, i.e., CONST_INT.
+
+ For 2.95, don't do this if the mode of M1 is Pmode.
+ This prevents us from substituting SUBREGs for REGs
+ in memory accesses; not all targets are prepared to
+ handle this properly. */
(GET_MODE (m->set_dest) == GET_MODE (m1->set_dest)
|| (GET_MODE_CLASS (GET_MODE (m->set_dest)) == MODE_INT
&& GET_MODE_CLASS (GET_MODE (m1->set_dest)) == MODE_INT
+ && GET_MODE (m1->set_dest) != Pmode
&& (GET_MODE_BITSIZE (GET_MODE (m->set_dest))
>= GET_MODE_BITSIZE (GET_MODE (m1->set_dest)))))
/* See if the source of M1 says it matches M. */
---------------------------------------
Received: (at 93786-done) by bugs.debian.org; 14 Apr 2001 20:03:19 +0000
>From doko@cs.tu-berlin.de Sat Apr 14 15:03:19 2001
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From: Matthias Klose <doko@cs.tu-berlin.de>
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Date: Sat, 14 Apr 2001 21:57:29 +0200 (MEST)
To: Philip Blundell <philb@gnu.org>, 93786-done@bugs.debian.org
Subject: Bug#93786: arm-loop.dpatch
In-Reply-To: <E14nnFm-0008Uq-00@kings-cross.london.uk.eu.org>
References: <E14nnFm-0008Uq-00@kings-cross.london.uk.eu.org>
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Message-ID: <15064.43918.808140.984785@bolero>
Delivered-To: 93786-done@bugs.debian.org
Philip Blundell writes:
> Package: gcc-2.95
> Version: 1:2.95.3-11
>
> This patch fixes a problem compiling binutils on ARM. It's already installed
> on the 2.95 branch in CVS, but if future packages are going to use the 2.95.3
> tarball it would be good to have this included.
Fixed with 2.95.4 upload.
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