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| author | Richard Guenther <rguenther@suse.de> | 2005-09-28 21:30:40 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2005-09-28 21:30:40 +0000 |
| commit | 9b14a362a3f08082301e7adf3880c58bbea9b8e5 (patch) | |
| tree | 53daf34656ae4d5086ceabe5e3c658064af7df09 | |
| parent | 75b1574e5a0cff78fbe6b34954dbbf6a97a5b9e5 (diff) | |
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re PR tree-optimization/23853 (ICE: in tree_low_cst, at tree.c:4270)
2005-09-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/23853
* tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
host_integerp to verify misalignment value.
From-SVN: r104743
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-analyze.c | 6 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67db2cb..4c15aa2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-09-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/23853 + * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use + host_integerp to verify misalignment value. + 2005-09-28 Richard Henderson <rth@redhat.com> * builtins.c (get_builtin_sync_mode): New. diff --git a/gcc/tree-vect-analyze.c b/gcc/tree-vect-analyze.c index 2c5136b..a9681bd 100644 --- a/gcc/tree-vect-analyze.c +++ b/gcc/tree-vect-analyze.c @@ -773,15 +773,15 @@ vect_compute_data_ref_alignment (struct data_reference *dr) /* Modulo alignment. */ misalign = size_binop (TRUNC_MOD_EXPR, misalign, alignment); - if (tree_int_cst_sgn (misalign) < 0) + if (!host_integerp (misalign, 1)) { - /* Negative misalignment value. */ + /* Negative or overflowed misalignment value. */ if (vect_print_dump_info (REPORT_DETAILS)) fprintf (vect_dump, "unexpected misalign value"); return false; } - DR_MISALIGNMENT (dr) = tree_low_cst (misalign, 1); + DR_MISALIGNMENT (dr) = TREE_INT_CST_LOW (misalign); if (vect_print_dump_info (REPORT_DETAILS)) { |