On 02/06/16 10:08, Bernd Schmidt wrote:
On 05/23/2016 01:17 PM, Kyrill Tkachov wrote:
In this PR we end up hitting a signed overflow in noce_get_alt_condition
when we try to
increment or decrement a HOST_WIDE_INT that might be HOST_WIDE_INT_MAX
or HOST_WIDE_INT_MIN.
I've confirmed the overflow
On 05/23/2016 01:17 PM, Kyrill Tkachov wrote:
In this PR we end up hitting a signed overflow in noce_get_alt_condition
when we try to
increment or decrement a HOST_WIDE_INT that might be HOST_WIDE_INT_MAX
or HOST_WIDE_INT_MIN.
I've confirmed the overflow by adding an assert before the operation:
On 23/05/16 15:06, Richard Biener wrote:
On Mon, May 23, 2016 at 3:19 PM, Kyrill Tkachov
wrote:
On 23/05/16 13:46, Richard Biener wrote:
n Mon, May 23, 2016 at 2:28 PM, Kyrill Tkachov
wrote:
On 23/05/16 12:27, Richard Biener wrote:
On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
wrote:
H
On Mon, May 23, 2016 at 3:19 PM, Kyrill Tkachov
wrote:
>
> On 23/05/16 13:46, Richard Biener wrote:
>>
>> n Mon, May 23, 2016 at 2:28 PM, Kyrill Tkachov
>> wrote:
>>>
>>> On 23/05/16 12:27, Richard Biener wrote:
On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
wrote:
>
> Hi
On 23/05/16 13:46, Richard Biener wrote:
n Mon, May 23, 2016 at 2:28 PM, Kyrill Tkachov
wrote:
On 23/05/16 12:27, Richard Biener wrote:
On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
wrote:
Hi all,
In this PR we end up hitting a signed overflow in noce_get_alt_condition
when we try to
inc
n Mon, May 23, 2016 at 2:28 PM, Kyrill Tkachov
wrote:
>
> On 23/05/16 12:27, Richard Biener wrote:
>>
>> On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
>> wrote:
>>>
>>> Hi all,
>>>
>>> In this PR we end up hitting a signed overflow in noce_get_alt_condition
>>> when we try to
>>> increment or d
On 23/05/16 12:27, Richard Biener wrote:
On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
wrote:
Hi all,
In this PR we end up hitting a signed overflow in noce_get_alt_condition
when we try to
increment or decrement a HOST_WIDE_INT that might be HOST_WIDE_INT_MAX or
HOST_WIDE_INT_MIN.
I've co
On Mon, May 23, 2016 at 1:17 PM, Kyrill Tkachov
wrote:
> Hi all,
>
> In this PR we end up hitting a signed overflow in noce_get_alt_condition
> when we try to
> increment or decrement a HOST_WIDE_INT that might be HOST_WIDE_INT_MAX or
> HOST_WIDE_INT_MIN.
>
> I've confirmed the overflow by adding
Hi all,
In this PR we end up hitting a signed overflow in noce_get_alt_condition when
we try to
increment or decrement a HOST_WIDE_INT that might be HOST_WIDE_INT_MAX or
HOST_WIDE_INT_MIN.
I've confirmed the overflow by adding an assert before the operation:
gcc_assert (desired_val != HOST_WID