<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hi Ray,</div><div class=""><br class=""></div>PEI does something kinda like this for emergency spill slots, which are used by the register scavenger. You may find looking through how that works useful as a rough guide to what’s involved.<div class=""><br class=""></div><div class="">-Jim</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Nov 6, 2014, at 12:55 PM, Alex S <<a href="mailto:alexmountain13@gmail.com" class="">alexmountain13@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi Philip,<div class=""><br class=""></div><div class="">I am sorry. It has nothing to do with GC. All I need is some stack slots that can</div><div class="">checkpoint some register values to there. However, I am not sure how to do that</div><div class="">correctly. Tim's idea inspire me a lot. I just wonder whether there is any way to</div><div class="">make it easier.</div><div class="">Thanks.</div><div class=""><br class=""></div><div class="">Ray</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Nov 6, 2014 at 1:57 PM, Philip Reames <span dir="ltr" class=""><<a href="mailto:listmail@philipreames.com" target="_blank" class="">listmail@philipreames.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000" class="">
You're use of the term "checkpointing" caught my eye. Are you
trying to do something GC related?<br class="">
<br class="">
Philip<div class=""><div class="h5"><br class="">
<br class="">
<div class="">On 11/05/2014 06:57 PM, Alex S wrote:<br class="">
</div>
</div></div><blockquote type="cite" class=""><div class=""><div class="h5">
<div dir="ltr" class="">Hi all,
<div class=""><br class="">
</div>
<div class="">Sorry to bother those not interested. I am a newbie to
LLVM.</div>
<div class="">I have a problem on allocating additional stack slot for
checkpointing.</div>
<div class="">However, I have no idea on how to allocate redundant stack
slot in llvm.</div>
<div class=""><br class="">
</div>
<div class="">Any suggestions?</div>
<div class=""><br class="">
</div>
<div class="">Thanks,</div>
<div class="">Ray</div>
</div>
<br class="">
<fieldset class=""></fieldset>
<br class="">
</div></div><pre class="">_______________________________________________
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