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[Bug tree-optimization/33113] Failing to represent the stride (with array) of a dataref when it is not a constant
- From: "dorit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Nov 2007 00:55:37 -0000
- Subject: [Bug tree-optimization/33113] Failing to represent the stride (with array) of a dataref when it is not a constant
- References: <bug-33113-6954@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from dorit at gcc dot gnu dot org 2007-11-01 00:55 -------
thanks!
> but the problem is that in the vectorizer, DR_STEP has to be an
> INTEGER_CST: for instance,
> step = TREE_INT_CST_LOW (DR_STEP (dra));
> ...
> || tree_int_cst_compare (DR_STEP (dra), DR_STEP (drb)))
> and plenty of other places will ICE if we feed them with symbolic
> strides.
This can be fixed. I'll try to look into that.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33113