Re: Patch RFA: Add option -fcollectible-pointers, use it in ivopts

[Bernd Schmidt]

On 01/23/2016 12:52 AM, Ian Lance Taylor wrote:

2016-01-22  Ian Lance Taylor  <i...@google.com>

* common.opt (fkeep-gc-roots-live): New option.
* tree-ssa-loop-ivopts.c (add_candidate_1): If
-fkeep-gc-roots-live, skip pointers.
(add_iv_candidate_for_biv): Handle add_candidate_1 returning
NULL.
* doc/invoke.texi (Optimize Options): Document
-fkeep-gc-roots-live.

gcc/testsuite/ChangeLog:

2016-01-22  Ian Lance Taylor  <i...@google.com>

* gcc.dg/tree-ssa/ivopt_5.c: New test.

Patch not attached?


Bernd