[aarch64-port-dev ] RFR(M): 8212043: Add floating-point Math.min/max intrinsics

Viswanathan, Sandhya sandhya.viswanathan at intel.com
Sat Feb 2 17:02:25 UTC 2019

Hi Pengfei/Andrew,

It will be good if you could push the test case for min/max optimization since it is your contribution and missed pushing from http://cr.openjdk.java.net/~pli/rfr/8212043/webrev.04/.
The file that got missed is: test/hotspot/jtreg/compiler/intrinsic/math/TestFpMinMaxIntrinsics.java.

Best Regards,

From: Bhateja, Jatin
Sent: Wednesday, January 16, 2019 1:53 AM
To: Pengfei.Li at arm.com
Cc: adinn at redhat.com; aph at redhat.com; hotspot-compiler-dev at openjdk.java.net; aarch64-port-dev at openjdk.java.net; nd at arm.com; Viswanathan, Sandhya <sandhya.viswanathan at intel.com>; Bhateja, Jatin <jatin.bhateja at intel.com>
Subject: RE: [aarch64-port-dev ] RFR(M): 8212043: Add floating-point Math.min/max intrinsics

Hi Pengfei,

Your final patch (http://cr.openjdk.java.net/~pli/rfr/8212043/webrev.04/)
to support floating point scalar max/min intrinsic also included following test case which is not up streamed to jdk repository.


Can you kindly add this test case, I’m working on supporting these new intrinsics for X86 platform and will like to use the test case you created.

Thanks and Regards,
Jatin Bhateja

From: Pengfei Li (Arm Technology China) <Pengfei.Li at arm.com<mailto:Pengfei.Li at arm.com>>
---------- Forwarded message ---------
Date: Wed, Dec 19, 2018 at 6:38 PM
Subject: RE: [aarch64-port-dev ] RFR(M): 8212043: Add floating-point Math.min/max intrinsics
To: Andrew Dinn <adinn at redhat.com<mailto:adinn at redhat.com>>, Andrew Haley <aph at redhat.com<mailto:aph at redhat.com>>, hotspot-compiler-dev at openjdk.java.net<mailto:hotspot-compiler-dev at openjdk.java.net> <hotspot-compiler-dev at openjdk.java.net<mailto:hotspot-compiler-dev at openjdk.java.net>>, aarch64-port-dev at openjdk.java.net<mailto:aarch64-port-dev at openjdk.java.net> <aarch64-port-dev at openjdk.java.net<mailto:aarch64-port-dev at openjdk.java.net>>
Cc: nd <nd at arm.com<mailto:nd at arm.com>>


> Pengfei, I am sure you will be pleased to know this has finally been pushed to
> the dev repo.

Thanks a lot Andrew Dinn and Andrew Haley! This could not happen without your help.

And for the next step, the follow-up patch for vectorization is almost ready. I will post it in another new thread soon later.


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