[aarch64-port-dev ] RFR: 8223020: aarch64: expand minI_rReg and maxI_rReg patterns into separate instructions

[Andrew Haley]

On 4/30/19 9:17 AM, Yangfei (Felix) wrote:

> Some of these patterns use the reserved scratch registers when
> emitting code, which means we may use extra registers if we expand
> them in an elegant way. 
> Should we expand them all?  Any suggestions?

I don't want to see them all expanded, no. I think it's probably too
much churn for too little value. I'd be interested to see if any of
these changes make any performance difference.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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