On Sat, Oct 28, 2017, at 12:06 AM, gcc-h...@gcc.gnu.org wrote:
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Jan,
What's the purpose behind calling vrp_meet and
extract_range_from_unary_expr from within the IPA passes?
AFAICT that is not safe to do. Various paths through those routines
will access static objects within tree-vrp.c which may not be
initialized when IPA runs (vrp_equiv_obstack, vr_value)
Dne 2017-10-28 09:28, Jeff Law napsal:
Jan,
What's the purpose behind calling vrp_meet and
extract_range_from_unary_expr from within the IPA passes?
AFAICT that is not safe to do. Various paths through those routines
will access static objects within tree-vrp.c which may not be
initialized whe
On October 28, 2017 9:28:38 AM GMT+02:00, Jeff Law wrote:
>
>Jan,
>
>What's the purpose behind calling vrp_meet and
>extract_range_from_unary_expr from within the IPA passes?
>
>AFAICT that is not safe to do. Various paths through those routines
>will access static objects within tree-vrp.c which
On 10/27/2017 04:54 PM, Richard Biener wrote:
> On Fri, Oct 27, 2017 at 3:00 PM, Yubin Ruan wrote:
>> +Cc gcc-list.
>>
>> Does any gcc developer have any comments?
>
> See PR82224. The code is valid.
>
>> On Mon, Sep 25, 2017 at 01:41:55PM -0700, Myriachan wrote:
>>> This question that "superca
