RFR: 8296429: Remove os::supports_sse

[Thomas Stuefe]

On Tue, 15 Nov 2022 13:06:28 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> os::supports_sse only exists to be backwards compatible with linux kernels older than 2.4, which may not have SSE support. Since support for 2.2.x kernels ended in 2004 I think we can safely clean this out.
>
> This was only relevant on 32-bit anyway right? 
> 
> Looks good. 
> 
> 2.4. was released in 2001, I think its safe to remove.

> @tstuefe do you agree if I call this trivial and integrate?

Looks trivial to me. 

Should anyone have problems with the VM on pre-2004 unpatched 32-bit kernels, this code can be very easily revived.

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PR: https://git.openjdk.org/jdk/pull/11164