diff options
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 88f6347..e4ac89a 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1820,15 +1820,24 @@ analyze_siv_subscript_cst_affine (tree chrec_a, /* Helper recursive function for initializing the matrix A. Returns the initial value of CHREC. */ -static int +static HOST_WIDE_INT initialize_matrix_A (lambda_matrix A, tree chrec, unsigned index, int mult) { + tree type; + gcc_assert (chrec); + type = TREE_TYPE (chrec); if (TREE_CODE (chrec) != POLYNOMIAL_CHREC) - return int_cst_value (chrec); - - A[index][0] = mult * int_cst_value (CHREC_RIGHT (chrec)); + return tree_low_cst (chrec, TYPE_UNSIGNED (type) + && !(TREE_CODE (type) == INTEGER_TYPE + && TYPE_IS_SIZETYPE (type))); + + type = TREE_TYPE (CHREC_RIGHT (chrec)); + A[index][0] = mult * tree_low_cst (CHREC_RIGHT (chrec), + TYPE_UNSIGNED (type) + && !(TREE_CODE (type) == INTEGER_TYPE + && TYPE_IS_SIZETYPE (type))); return initialize_matrix_A (A, CHREC_LEFT (chrec), index + 1, mult); } |