blob: 9d15eaecd88e791a8bb1d92548aba606c70f81ec (
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
# DP: Patch for invalid QImode insn resulting from HImode reload on ARMv3
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
--- gcc/config/arm/arm.h.old Thu Feb 19 13:48:41 2004
+++ gcc/config/arm/arm.h Thu Feb 19 13:56:31 2004
@@ -2003,10 +2003,17 @@
&& INTVAL (op) <= 31) \
goto LABEL; \
} \
- /* NASTY: Since this limits the addressing of unsigned \
- byte loads. */ \
- range = ((MODE) == HImode || (MODE) == QImode) \
- ? (arm_arch4 ? 256 : 4095) : 4096; \
+ /* XXX For ARM v4 we may be doing a sign-extend operation \
+ during the load, but that has a restricted addressing \
+ range and we are unable to tell here whether that is the \
+ case. To be safe we restrict all loads to that \
+ range. */ \
+ if (arm_arch4) \
+ range = (mode == HImode || mode == QImode) ? 256 : 4096; \
+ else if (mode == HImode) \
+ range = 4095; \
+ else \
+ range = 4096; \
if (code == CONST_INT && INTVAL (INDEX) < range \
&& INTVAL (INDEX) > -range) \
goto LABEL; \
|
