On 09/14/2018 03:16 PM, Dylan Baker wrote:
> Quoting Ian Romanick (2018-09-12 16:29:55)
>> From: Ian Romanick
>>
>> The optimizer recently added the ability to replace a compare with a
>> subtraction under certain circumstances. This can fail for integers.
>> For inputs a = 0x8000, b = 4, int
Quoting Ian Romanick (2018-09-12 16:29:55)
> From: Ian Romanick
>
> The optimizer recently added the ability to replace a compare with a
> subtraction under certain circumstances. This can fail for integers.
> For inputs a = 0x8000, b = 4, int(0x8000) < 4, but
> int(0x8000) - 4 overf
On Thu, Sep 13, 2018 at 8:26 PM, Ian Romanick wrote:
> On 09/12/2018 09:17 PM, Ilia Mirkin wrote:
>> On Wed, Sep 12, 2018 at 7:59 PM, Ian Romanick wrote:
>>> On 09/12/2018 04:33 PM, Ilia Mirkin wrote:
On Wed, Sep 12, 2018 at 7:29 PM, Ian Romanick wrote:
> From: Ian Romanick
>
>
On 09/12/2018 09:17 PM, Ilia Mirkin wrote:
> On Wed, Sep 12, 2018 at 7:59 PM, Ian Romanick wrote:
>> On 09/12/2018 04:33 PM, Ilia Mirkin wrote:
>>> On Wed, Sep 12, 2018 at 7:29 PM, Ian Romanick wrote:
From: Ian Romanick
The optimizer recently added the ability to replace a compare
On Wed, Sep 12, 2018 at 7:59 PM, Ian Romanick wrote:
> On 09/12/2018 04:33 PM, Ilia Mirkin wrote:
>> On Wed, Sep 12, 2018 at 7:29 PM, Ian Romanick wrote:
>>> From: Ian Romanick
>>>
>>> The optimizer recently added the ability to replace a compare with a
>>> subtraction under certain circumstance
On 09/12/2018 04:33 PM, Ilia Mirkin wrote:
> On Wed, Sep 12, 2018 at 7:29 PM, Ian Romanick wrote:
>> From: Ian Romanick
>>
>> The optimizer recently added the ability to replace a compare with a
>> subtraction under certain circumstances. This can fail for integers.
>> For inputs a = 0x8000,
On Wed, Sep 12, 2018 at 7:29 PM, Ian Romanick wrote:
> From: Ian Romanick
>
> The optimizer recently added the ability to replace a compare with a
> subtraction under certain circumstances. This can fail for integers.
> For inputs a = 0x8000, b = 4, int(0x8000) < 4, but
> int(0x8000)
From: Ian Romanick
The optimizer recently added the ability to replace a compare with a
subtraction under certain circumstances. This can fail for integers.
For inputs a = 0x8000, b = 4, int(0x8000) < 4, but
int(0x8000) - 4 overflows and results in 0x7ffc. That's not
less than z
