Request for reviews (S): 8005522: use fast-string instructions on x86 for zeroing
Vladimir Kozlov
vladimir.kozlov at oracle.com
Wed Jan 2 17:22:32 PST 2013
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
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.
>>>
>
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