RFR (S) JDK-8043301: Duplicate definitions in vm/runtime/sharedRuntimeTrans.cpp versus math.h in VS2013

[Coleen Phillimore]

Looks good, Lois.
Coleen

On 5/21/14, 10:41 AM, Lois Foltan wrote:
> Hello,
>
> Please review the following fix:
>
> Webrev:
>     http://cr.openjdk.java.net/~lfoltan/bug_jdk8043301/
>
> Bug: Duplicate definitions in vm/runtime/sharedRuntimeTrans.cpp versus 
> math.h in VS2013
>     https://bugs.openjdk.java.net/browse/JDK-8043301
>
> Summary of fix:
> VS2013's include/math.h now contains definitions for both copysign() 
> and scalbn().  This yielded compilation conflicts with the JVM's 
> definition of these functions within runtime/sharedRuntimeTrans.cpp.  
> I changed copysign and scalbn definitions to be consistent with how 
> they are defined within sharedRuntimeTrig.cpp.  They are now defined 
> as copysignA and scalbnA static functions.  I also removed the 
> !defined(AIX) conditionalization around these defintions since no 
> conflict should now exist with AIX's math.h.
>
> Tests:
>     JPRT build & test, Hotspot jtreg, JDK lang & util, 
> vm.quick.testlist (in progress)
>
> Thank you,
> Lois