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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/bfin/bfin.c | 5 |
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 |