RFR: 8203220: Introduce ATTRIBUTE_ALIGNED macro

[Kim Barrett]

> On May 15, 2018, at 11:45 AM, Per Liden <per.liden at oracle.com> wrote:
> 
> On 05/15/2018 05:07 PM, Thomas Schatzl wrote:
>> Hi,
>> On Tue, 2018-05-15 at 15:31 +0200, Per Liden wrote:
>>> This patch introduces a global ATTRIBUTE_ALIGNED(x) macro, which
>>> expands
>>> to __attribute__((aligned(x)) or the equivalent of that.
>>> 
>>> […]
>>> 
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8203220
>>> Webrev: http://cr.openjdk.java.net/~pliden/8203220/webrev.0
>>   - it would have been nice to have the ALIGNED_ macro in
>> macroAssembler_* replaced by the new ATTRIBUTE_ALIGNED - there are only
>> a few uses of it and it does not seem worth to have an extra macro in
>> all these places.
>> Feel free to ignore, but if you change that I do not need to re-review.
> 
> There seem to be ~100 uses of ALIGNED_, but I don't mind changing that.
> 
> Inc: http://cr.openjdk.java.net/~pliden/8203220/webrev.0vs1
> Full: http://cr.openjdk.java.net/~pliden/8203220/webrev.1

Still looks good.

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