[jdk17u-dev] RFR: 8318562: Computational test more than 2x slower when AVX instructions are used

[Sandhya Viswanathan]

On Tue, 5 Dec 2023 18:15:21 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

> A small backport PR which fixes the performance regression with vcvt* instructions on AVX platforms.
> Minor changes were required to resolve a conflict in macroAssembler_x86.cpp/hpp. The conflict was due to a change in locked_cmpxchgptr signature on mainline.
> 
> Please review.
> 
> Best Regards,
> Sandhya

@vnkozlov @shipilev could you please help review this small backport to 17u-dev?

-------------

PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2016#issuecomment-1850971621