x86-64 stub calling convention

Vladimir Kozlov vladimir.kozlov at oracle.com
Fri Jun 29 20:04:55 PDT 2012

XMM registers are Save On Call (saved by caller) so you can use them in stub without saving. Look on arraycopy stabs 
where we use XMM registers.


On 6/29/12 6:27 PM, Deneau, Tom wrote:
> Hi --
> Can someone point me to the x86-64 calling convention for stubs created
> by stubGenerator?  In particular, which xmm registers if any must be preserved
> and which are volatile.
> -- Tom Deneau

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