diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7e1db3d..2c4aadb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2011-08-24 Richard Guenther <rguenther@suse.de> + * fold-const.c (fold_comparison): Fold &a < &a + 4 even + with -fno-strict-overflow. + +2011-08-24 Richard Guenther <rguenther@suse.de> + * tree-vectorizer.c (vect_print_dump_info): Avoid the file and location clutter when dumping to dump files. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index dcd6989..01c5570 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8738,6 +8738,7 @@ fold_comparison (location_t loc, enum tree_code code, tree type, && operand_equal_p (offset0, offset1, 0))) && (code == EQ_EXPR || code == NE_EXPR + || (indirect_base0 && DECL_P (base0)) || POINTER_TYPE_OVERFLOW_UNDEFINED)) { @@ -8777,6 +8778,7 @@ fold_comparison (location_t loc, enum tree_code code, tree type, 6.5.6/8 and /9 with respect to the signed ptrdiff_t. */ else if (bitpos0 == bitpos1 && ((code == EQ_EXPR || code == NE_EXPR) + || (indirect_base0 && DECL_P (base0)) || POINTER_TYPE_OVERFLOW_UNDEFINED)) { /* By converting to signed size type we cover middle-end pointer |