diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-chrec.h | 17 |
2 files changed, 16 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a1ef806..14c3016 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-09-20 Richard Biener <rguenther@suse.de> + + PR middle-end/58473 + * tree-chrec.h (build_polynomial_chrec): Use gcc_checking_assert, + make type comparison less strict. + 2013-09-20 Alan Modra <amodra@gmail.com> * configure: Regenerate. diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h index ad39a6b..c69183b 100644 --- a/gcc/tree-chrec.h +++ b/gcc/tree-chrec.h @@ -137,15 +137,18 @@ build_polynomial_chrec (unsigned loop_num, || !val) return chrec_dont_know; - /* Pointer types should occur only on the left hand side, i.e. in - the base of the chrec, and not in the step. */ - gcc_assert (!POINTER_TYPE_P (TREE_TYPE (right))); - - /* Types of left and right sides of a chrec should be compatible. */ + /* Types of left and right sides of a chrec should be compatible, but + pointer CHRECs are special in that the evolution is of ptroff type. */ if (POINTER_TYPE_P (TREE_TYPE (left))) - gcc_assert (ptrofftype_p (TREE_TYPE (right))); + gcc_checking_assert (ptrofftype_p (TREE_TYPE (right))); else - gcc_assert (TREE_TYPE (left) == TREE_TYPE (right)); + { + /* Pointer types should occur only on the left hand side, i.e. in + the base of the chrec, and not in the step. */ + gcc_checking_assert (!POINTER_TYPE_P (TREE_TYPE (right)) + && types_compatible_p (TREE_TYPE (left), + TREE_TYPE (right))); + } if (chrec_zerop (right)) return left; |