blob: 5938509cf9b21e655cdf422ee8319a61b104882c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#! /bin/sh -e
dir=
if [ $# -eq 3 -a "$2" = '-d' ]; then
pdir="-d $3"
dir="$3/"
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 -p0 < $0
#cd ${dir}gcc && autoconf
;;
-unpatch)
patch $pdir -f --no-backup-if-mismatch -R -p0 < $0
#rm ${dir}gcc/configure
;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
# DP: 2003-05-15 Philip Blundell <philb@gnu.org>
# DP:
# DP: PR target/10730
# DP: * config/arm/arm.c (adjacent_mem_locations): Reject offsets
# DP: involving invalid constants.
Index: arm.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/arm/arm.c,v
retrieving revision 1.271
diff -u -p -r1.271 arm.c
--- gcc/config/arm/arm.c 10 May 2003 13:10:46 -0000 1.271
+++ gcc/config/arm/arm.c 14 May 2003 21:26:26 -0000
@@ -4567,6 +4571,12 @@ adjacent_mem_locations (a, b)
else
reg1 = REGNO (XEXP (b, 0));
+ /* Don't accept any offset that will require multiple instructions to handle,
+ since this would cause the arith_adjacentmem pattern to output an overlong
+ sequence. */
+ if (!const_ok_for_op (PLUS, val0) || !const_ok_for_op (PLUS, val1))
+ return 0;
+
return (reg0 == reg1) && ((val1 - val0) == 4 || (val0 - val1) == 4);
}
return 0;
|
