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| author | Richard Guenther <rguenther@suse.de> | 2008-01-09 14:17:13 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-01-09 14:17:13 +0000 |
| commit | def49dd7ca01bdeea7cf61c90da4206609e65ce5 (patch) | |
| tree | b9e9de55fd4ad29e9b516c6c58f4bcbe2723fb0e /gcc/tree-data-ref.c | |
| parent | cbad2e09260a2898b3384dded5f3ce2651e17425 (diff) | |
| download | gcc-def49dd7ca01bdeea7cf61c90da4206609e65ce5.zip gcc-def49dd7ca01bdeea7cf61c90da4206609e65ce5.tar.gz gcc-def49dd7ca01bdeea7cf61c90da4206609e65ce5.tar.bz2 | |
re PR tree-optimization/34458 (ICE in int_cst_value, at tree.c:8047 at -O3)
2008-01-09 Richard Guenther <rguenther@suse.de>
PR middle-end/34458
* tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
adjust return type.
* gcc.c-torture/compile/pr34458.c: New testcase.
From-SVN: r131429
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); } |