aboutsummaryrefslogtreecommitdiffstats
path: root/packages/gcc/gcc-3.3.3/arm-14558.dpatch
diff options
context:
space:
mode:
authorKoen Kooi <koen@openembedded.org>2005-06-30 08:19:37 +0000
committerOpenEmbedded Project <openembedded-devel@lists.openembedded.org>2005-06-30 08:19:37 +0000
commitc8e5702127e507e82e6f68a4b8c546803accea9d (patch)
tree00583491f40ecc640f2b28452af995e3a63a09d7 /packages/gcc/gcc-3.3.3/arm-14558.dpatch
parent87ec8ca4d2e2eb4d1c1e1e1a6b46a395d56805b9 (diff)
downloadopenembedded-c8e5702127e507e82e6f68a4b8c546803accea9d.tar.gz
openembedded-c8e5702127e507e82e6f68a4b8c546803accea9d.tar.bz2
openembedded-c8e5702127e507e82e6f68a4b8c546803accea9d.zip
import clean BK tree at cset 1.3670
Diffstat (limited to 'packages/gcc/gcc-3.3.3/arm-14558.dpatch')
-rw-r--r--packages/gcc/gcc-3.3.3/arm-14558.dpatch51
1 files changed, 51 insertions, 0 deletions
diff --git a/packages/gcc/gcc-3.3.3/arm-14558.dpatch b/packages/gcc/gcc-3.3.3/arm-14558.dpatch
index e69de29bb2..9d15eaecd8 100644
--- a/packages/gcc/gcc-3.3.3/arm-14558.dpatch
+++ b/packages/gcc/gcc-3.3.3/arm-14558.dpatch
@@ -0,0 +1,51 @@
+#! /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; \