------- Comment #26 from sebpop at gmail dot com 2007-06-24 13:38 -------
Subject: Re: [4.3 Regression] Segmentation fault in
build_classic_dist_vector_1() at tree-data-ref.c:2700
On 6/24/07, Richard Guenther <[EMAIL PROTECTED]> wrote:
> An alternative is to use
>
> if (TREE_CODE (arg1) == BIT_NOT_EXPR
> && !TYPE_OVERFLOW_TRAPS (type))
> {
> tem = TREE_OPERAND (arg1, 0);
> STRIP_NOPS (tem);
> if (operand_equal_p (arg0, tem, 0))
> ...
>
> which would be even better and shouldn't cause other missed
> optimizations.
>
Okay, attached is the patch that implements this.
I'm bootstrapping and testing it on i686-linux.
Sebastian
------- Comment #27 from sebpop at gmail dot com 2007-06-24 13:38 -------
Created an attachment (id=13779)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13779&action=view)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32461
