Request for reviews (S): 8005522: use fast-string instructions on x86 for zeroing

[Vladimir Kozlov]

Thank you, Christian

Vladimir

On 1/3/13 11:12 AM, Christian Thalinger wrote:
>
> On Jan 2, 2013, at 5:22 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
>
>> On 1/2/13 4:56 PM, Christian Thalinger wrote:
>>>
>>> On Jan 2, 2013, at 10:28 AM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
>>>
>>>> Thank you, Roland
>>>>
>>>> I added separate mach nodes for fast stosb in .ad files to fox formats:
>>>>
>>>> http://cr.openjdk.java.net/~kvn/8005522/webrev.01/
>>>
>>> +   void rep_setbyte();
>>>
>>> Can we name it rep_stosb?  That's closer to the actual instruction.
>>
>> For that I also need to rename rep_set() to rep_stos():
>>
>> http://cr.openjdk.java.net/~kvn/8005522/webrev.02
>
> Much better.  Thanks.
>
> -- Chris
>
>>
>> Thanks,
>> Vladimir
>>
>>>
>>> -- Chris
>>>
>>>>
>>>> Thanks,
>>>> Vladimir
>>>>
>>>> On 1/2/13 1:39 AM, Roland Westrelin wrote:
>>>>>> http://cr.openjdk.java.net/~kvn/8005522/webrev/
>>>>>>
>>>>>> 8005522: use fast-string instructions on x86 for zeroing
>>>>>
>>>>>
>>>>> In x86_32.ad/x86_64.ad the rep_stos() format is no longer in sync with the code that is emitted.
>>>>> Otherwise, it looks good.
>>>>>
>>>>> Roland.
>>>>>
>>>
>