diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/fold-const.c | 8 |
2 files changed, 13 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3365404..b106227 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2011-09-04 Richard Guenther <rguenther@suse.de> + + Revert + 2011-08-31 Richard Guenther <rguenther@suse.de> + + * fold-const.c (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE + special-casing. + 2011-09-04 Iain Sandoe <iains@gcc.gnu.org> PR debug/49901 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 0f4ca5e..5807a55 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5888,9 +5888,11 @@ extract_muldiv_1 (tree t, tree c, enum tree_code code, tree wide_type, multiple of the other, in which case we replace this with either an operation or CODE or TCODE. - If we have an unsigned type, we cannot do this since it will change - the result if the original computation overflowed. */ - if (TYPE_OVERFLOW_UNDEFINED (ctype) + If we have an unsigned type that is not a sizetype, we cannot do + this since it will change the result if the original computation + overflowed. */ + if ((TYPE_OVERFLOW_UNDEFINED (ctype) + || (TREE_CODE (ctype) == INTEGER_TYPE && TYPE_IS_SIZETYPE (ctype))) && ((code == MULT_EXPR && tcode == EXACT_DIV_EXPR) || (tcode == MULT_EXPR && code != TRUNC_MOD_EXPR && code != CEIL_MOD_EXPR |