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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-16 16:00:17 +0000 |
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| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-16 16:00:17 +0000 |
| commit | c782188f3ffc0c0dc71ee09baacd80f7a7589ab5 (patch) | |
| tree | 7b576b7515a8cd71afd71de1f0d38d04d85e48a0 /gcc/tree-data-ref.c | |
| parent | db812c94e0a17bff65551c01ad88eea8549b2847 (diff) | |
| download | gcc-c782188f3ffc0c0dc71ee09baacd80f7a7589ab5.tar.gz | |
2008-01-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34769
* tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
* tree.c (int_cst_value): Instead make this function more
permissive in what it accepts as valid input. Document this
function always sign-extends the value.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131573 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 1fe7c0a4683..2f17ed1deb4 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1823,21 +1823,12 @@ analyze_siv_subscript_cst_affine (tree chrec_a, 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 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 int_cst_value (chrec); + + A[index][0] = mult * int_cst_value (CHREC_RIGHT (chrec)); return initialize_matrix_A (A, CHREC_LEFT (chrec), index + 1, mult); } |