Re: [PATCH PR78684]Check sign bit for index step of data reference.

Wed, 07 Dec 2016 11:56:06 -0800 

On 12/07/2016 08:10 AM, Bin Cheng wrote:

Hi,
This patch fixes ICE reported in PR78684, it checks sign bit of integer const 
thus can handle unsigned types.  Bootstrap and test on x86_64, is it OK?

Thanks,
bin

2016-12-06  Bin Cheng  <bin.ch...@arm.com>

        PR middle-end/78684
        * tree-vect-loop-manip.c (create_intersect_range_checks_index): Check
        sign bit for index step of data reference.

gcc/testsuite/ChangeLog
2016-12-06  Bin Cheng  <bin.ch...@arm.com>

        PR middle-end/78684
        * g++.dg/torture/pr78684.C: New test.


OK.
jeff

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