[aarch64-port-dev ] RFR: 8075930: AARCH64: Use FP Register in C2

Andrew Haley aph at redhat.com
Tue Apr 21 15:15:47 UTC 2015

On 04/21/2015 04:11 PM, Andrew Haley wrote:
> R29 (i.e. rfp) is marked Save-On-Entry.  It is the only allocatable
> general-purpose register which is.  I'm a bit worried that
> deoptimization might not restore this register correctly if it hasn't
> been spilled.  Maybe we should mark R29 as SOC.

On the gripping hand, x86_64 marks RBP, RSI and RDI as SOE registers.
So I think I'm worrying about nothing.


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