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Re: [PATCH v2 AArch64]: Re: [PATCH AArch64]: Add constraint letter for stack_protect_test pattern.
- From: Venkataramanan Kumar <venkataramanan dot kumar at linaro dot org>
- To: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Patch Tracking <patch at linaro dot org>
- Date: Mon, 8 Sep 2014 21:06:27 +0530
- Subject: Re: [PATCH v2 AArch64]: Re: [PATCH AArch64]: Add constraint letter for stack_protect_test pattern.
- Authentication-results: sourceware.org; auth=none
- References: <CAJK_mQ1NB7gfroQuAi+H_+TXzb51KPaMK2EsEoFFswvTL4fCFQ at mail dot gmail dot com> <20140904081855 dot GA18028 at arm dot com> <CAJK_mQ2uL7tHSyn7NpYF0W5aRT3GjeDwrq9tPkHuGp47WLp_vA at mail dot gmail dot com> <CAFqB+PwNDpHz15tXu2ZNuYeOG2W7giCuZCp=GwoLJOy9suEexw at mail dot gmail dot com>
Hi Marcus,
I up streamed the changes to trunk.
There is no support for stack protection in FSF GCC 4.9 branch yet.
So I need to back port r209712 and this change together.
regards,
Venkat.
On 5 September 2014 21:17, Marcus Shawcroft <marcus.shawcroft@gmail.com> wrote:
> On 4 September 2014 19:19, Venkataramanan Kumar
> <venkataramanan.kumar@linaro.org> wrote:
>> Hi James,
>>
>> Yes we can just mark operand 3 as "&r".
>>
>> PFB, the updated patch. Ok for trunk?
>>
>> regards,
>> Venkat.
>>
>> gcc/ChangeLog
>>
>> 2014-09-04 Venkataramanan Kumar <venkataramanan.kumar@linaro.org>
>>
>> * config/aarch64/aarch64.md (stack_protect_test_<mode>) Add register
>> constraint for operand 0 and remove write only constraint from operand 3.
>
> OK include pr63190 in the ChangeLog entry and backport to 4.9 please.
> Thanks
> /Marcus