RFR: 8347917: AArch64: Enable upper GPR registers in C1
Andrew Haley
aph at openjdk.org
Sun Jan 26 16:19:45 UTC 2025
On Thu, 16 Jan 2025 16:39:43 GMT, Andrew Haley <aph at openjdk.org> wrote:
> > As for the different allocation order (to prefer platform callee-saved registers), do you think something simple like last->first order will work for all platforms?
>
> It might. It's certainly an interesting thing to try. I'm particularly interested because it potentially reduces the overhead for type checks.
Let's do this in a separate patch.
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PR Comment: https://git.openjdk.org/jdk/pull/23152#issuecomment-2614490296
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