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Re: [PR66726] Fixe regression caused by Factor conversion out of COND_EXPR
- From: Markus Trippelsdorf <markus at trippelsdorf dot de>
- To: Jeff Law <law at redhat dot com>
- Cc: Kugan <kugan dot vivekanandarajah at linaro dot org>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Jakub Jelinek <jakub at redhat dot com>
- Date: Fri, 12 Feb 2016 07:18:36 +0100
- Subject: Re: [PR66726] Fixe regression caused by Factor conversion out of COND_EXPR
- Authentication-results: sourceware.org; auth=none
- References: <569DB2F9 dot 30506 at linaro dot org> <56B8C71A dot 40402 at redhat dot com>
On 2016.02.08 at 09:49 -0700, Jeff Law wrote:
> On 01/18/2016 08:52 PM, Kugan wrote:
> >
> >2016-01-19 Kugan Vivekanandarajah <kuganv@linaro.org>
> >
> > PR middle-end/66726
> > * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
> > whose result is used in PHI.
> > (maybe_optimize_range_tests): Likewise.
> > (final_range_test_p): Lokweise.
> >
> Otherwise this looks OK for the trunk. It really hasn't changed much since
> the version from July. And while the PR is not marked as such, this is a
> code quality regression fix for targets with a BRANCH_COST > 1.
This causes LTO/PGO bootstrap on ppc64le to ICE all over the place:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69781
--
Markus