RFR 8150388: Remove SPARC 32-bit support

[George Triantafillou]

Hi Vladimir,

Thanks for your comments.

Updated webrev: 
http://cr.openjdk.java.net/~gtriantafill/8150388-webrev/webrev.01/ 
<http://cr.openjdk.java.net/%7Egtriantafill/8150388-webrev/webrev.01/>

-George

On 4/7/2017 1:26 PM, Vladimir Kozlov wrote:
> On 4/7/17 8:04 AM, George Triantafillou wrote:
>> Thanks Harold, I've made the suggested changes.
>>
>> -George
>>
>> On 4/7/2017 10:34 AM, harold seigel wrote:
>>> Hi George,
>>>
>>> Most of the changes look good.  A few comments:
>>>
>>> 1. In stubGenerator_sparc.cpp, lines 831-835 should not be deleted,
>>> just the "&& defined(_LP64)"
>>>
>>>    831 #if defined(ASSERT) && defined(_LP64)
>>>    832 __ signx(Rint, Rtmp);
>>>    833 __ cmp(Rint, Rtmp);
>>>    834 __ breakpoint_trap(Assembler::notEqual, Assembler::xcc);
>>>    835 #endif
>
> I still see this code is removed. Did you updated webrev?
>
>>>
>>> 2. In atomic_solaris_sparc.hpp: remove lines 245 and 372
>>>
>>> 3. In prefetch_solaris_sparc.inline.hpp, remove lines 30 and 63
>
> Yes. We don't build JVM with C1 only for 64 bit.
>
>>>
>>> 4. In thread_solaris_sparc.hpp, remove line 67.
>
> Yes.
>
> Other compiler code changes seems fine.
>
> Thanks,
> Vladimir
>
>>>
>>> Thanks, Harold
>>>
>>> On 4/7/2017 9:43 AM, George Triantafillou wrote:
>>>> Please review this fix to remove SPARC 32-bit support.  Support for
>>>> solaris-sparc has been dropped from the list of supported platforms.
>>>>
>>>> JBS: https://bugs.openjdk.java.net/browse/JDK-8150388
>>>> webrev:
>>>> http://cr.openjdk.java.net/~gtriantafill/8150388-webrev/webrev/
>>>> <http://cr.openjdk.java.net/%7Egtriantafill/8150388-webrev/webrev/>
>>>>
>>>> Built and tested on solaris-sparcv9-debug,solaris-x64-debug with the
>>>> nsk.jvmti, nsk.jdwp, and nsk.jdi testlists.
>>>>
>>>> Thanks.
>>>>
>>>> -George
>>>>
>>>
>>