------- Comment #28 from sebpop at gmail dot com 2007-06-24 19:19 ------- Subject: Re: [4.3 Regression] Segmentation fault in build_classic_dist_vector_1() at tree-data-ref.c:2700
On 6/24/07, Sebastian Pop <[EMAIL PROTECTED]> wrote: > 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. > Passed bootstrap with --enable-checking=yes,fold,rtl and no new regressions in the testsuite. Okay for trunk? > Sebastian > > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32461