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

2016-12-07 Thread Jeff Law
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 PR middle-end/78684 * tree-vect-loop-manip.c

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

2016-12-07 Thread Bin Cheng
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 PR middle-end/78684 * tree-vect-loop-manip.c (create_intersect_range_checks_index): Chec