RFR(M): 8144466: ppc64: fix argument passing through opto stubs.

[Vladimir Kozlov]

Okay. I need to get closed changes reviewed before push.

Thanks,
Vladimir

On 12/8/15 1:41 AM, Doerr, Martin wrote:
> Hi Vladimir,
>
> C1 does the int to long conversions in the platform code. I didn't find any missing conversion in the C1 code.
> The only C1 issue with respect to runtime calls is 8143817 for which I'll send out another email.
>
> Best regards,
>    Martin
>
>
> -----Original Message-----
> From: hotspot-compiler-dev [mailto:hotspot-compiler-dev-bounces at openjdk.java.net] On Behalf Of Vladimir Kozlov
> Sent: Dienstag, 8. Dezember 2015 02:18
> To: hotspot-compiler-dev at openjdk.java.net
> Subject: Re: RFR(M): 8144466: ppc64: fix argument passing through opto stubs.
>
> Looks fine. Do you need to do anything for C1 which you have now?
>
> Thanks,
> Vladimir
>
> On 12/7/15 7:12 AM, Lindenmaier, Goetz wrote:
>> Hi,
>>
>> I need to fix the calls to runtime for ppc because it expects int
>>
>> being properly sign extended to long.
>>
>> In 8086069, we tried to push this to the platform code, but for
>>
>> opto stubs this is not possible.
>>
>> Please review this change. I please need a sponsor.
>>
>> http://cr.openjdk.java.net/~goetz/webrevs/8144466-ppcOptoStubs/webrev.00/
>>
>> The change comes with a corresponding test.
>>
>> I also added a test for a problem we fixed before, where
>>
>> floating point args were passed wrong.
>>
>> Best regards,
>>
>>     Goetz.
>>