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authorBernd Schmidt <bernd.schmidt@analog.com>2006-12-01 15:49:55 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2006-12-01 15:49:55 +0000
commit5308e943096315fecd571582b8ca50396ff0cacc (patch)
treed2ba8350d24d1d77776de4a5d7a70ed2a77e938b
parentfbb5445b5d23fddeda2a08ed95c63adb12f9a5d0 (diff)
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bfin.c (bfin_valid_add): Fix the logic that ensures multiword accesses are in range.
* config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures multiword accesses are in range. From-SVN: r119402
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/bfin/bfin.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 52452d51..b338a90 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
+ multiword accesses are in range.
+
2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/29921
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 8a00268..f305d6b 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -2339,8 +2339,9 @@ bfin_valid_add (enum machine_mode mode, HOST_WIDE_INT value)
int shift = sz == 1 ? 0 : sz == 2 ? 1 : 2;
/* The usual offsettable_memref machinery doesn't work so well for this
port, so we deal with the problem here. */
- unsigned HOST_WIDE_INT mask = sz == 8 ? 0x7ffe : 0x7fff;
- return (v & ~(mask << shift)) == 0;
+ if (value > 0 && sz == 8)
+ v += 4;
+ return (v & ~(0x7fff << shift)) == 0;
}
static bool