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Re: [PATCH, Pointer Bounds Checker 23/x] Function split
- From: Ilya Enkovich <enkovich dot gnu at gmail dot com>
- To: Jeff Law <law at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 6 Jun 2014 14:22:35 +0400
- Subject: Re: [PATCH, Pointer Bounds Checker 23/x] Function split
- Authentication-results: sourceware.org; auth=none
- References: <20140603070950 dot GA20877 at msticlxl57 dot ims dot intel dot com> <538EC794 dot 1030903 at redhat dot com>
2014-06-04 11:15 GMT+04:00 Jeff Law <law@redhat.com>:
> On 06/03/14 01:10, Ilya Enkovich wrote:
>>
>> Hi,
>>
>> This patch does not allow splitting in case bounds are returned until
>> retutrned bounds are supported. It also propagates instrumentation marks
>> for generated call and function.
>>
>> Bootstrapped and tested on linux-x86_64.
>>
>> Thanks,
>> Ilya
>> --
>> gcc/
>>
>> 2014-06-03 Ilya Enkovich <ilya.enkovich@intel.com>
>>
>> * ipa-split.c: Include tree-chkp.h.
>> (consider_split): Do not split when return bounds.
>> (split_function): Propagate Pointer Bounds Checker
>> instrumentation marks.
>
> It's a hack. There's no reason we can't support this. So I'll approve on
> the condition that you do look at removing this limitation in the future.
I looked into it and did not find an easy way to fix damaged return.
Will definitely work more on this later. Any help from knowledgeable
person (Jan Hubicka?) would be great here.
Ilya
>
> jeff
>