[PATCH] Reuse %rax after calling __chkstk on win64

[Nadav Rotem]

LGTM. 

On Jul 7, 2013, at 7:57 AM, Nico Rieck <nico.rieck at gmail.com> wrote:

> Since __chkstk does not clobber %rax we can use this to generate a more efficient SUB64rr to adjust %rsp.
> 
> -Nico
> <0001-Reuse-rax-after-calling-__chkstk-on-win64.patch>_______________________________________________
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