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| author | Jakub Jelinek <jakub@redhat.com> | 2009-02-18 00:21:23 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-02-18 00:21:23 +0100 |
| commit | 418df9d79aedfe4ab88febd6ce0df43dfc74828e (patch) | |
| tree | 99d57e94e1f1d6770502eaeebe10cc9b46a906ae /gcc/tree-data-ref.c | |
| parent | 082d2ebb8481f4a0399f7e6f2fcacf67d4927993 (diff) | |
| download | gcc-418df9d79aedfe4ab88febd6ce0df43dfc74828e.zip gcc-418df9d79aedfe4ab88febd6ce0df43dfc74828e.tar.gz gcc-418df9d79aedfe4ab88febd6ce0df43dfc74828e.tar.bz2 | |
re PR tree-optimization/36922 (ICE in tree-data-ref.c with -ftree-loop-linear)
PR tree-optimization/36922
* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
Likewise.
* gfortran.dg/pr36922.f: New test.
From-SVN: r144250
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 2715339..9a72bc3 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1896,6 +1896,14 @@ initialize_matrix_A (lambda_matrix A, tree chrec, unsigned index, int mult) return chrec_convert (chrec_type (chrec), op, NULL); } + case BIT_NOT_EXPR: + { + /* Handle ~X as -1 - X. */ + tree op = initialize_matrix_A (A, TREE_OPERAND (chrec, 0), index, mult); + return chrec_fold_op (MINUS_EXPR, chrec_type (chrec), + build_int_cst (TREE_TYPE (chrec), -1), op); + } + case INTEGER_CST: return chrec; |