[LLVMdev] Windows x64 JIT usability

BGB cr88192 at hotmail.com
Wed Jun 3 19:24:19 PDT 2009

----- Original Message ----- 
From: "Eli Friedman" <eli.friedman at gmail.com>
To: "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu>
Sent: Wednesday, June 03, 2009 6:36 PM
Subject: Re: [LLVMdev] Windows x64 JIT usability

> On Wed, Jun 3, 2009 at 6:29 PM, Jonathan Ragan-Kelley<jrk at csail.mit.edu> 
> wrote:
>> What is the current state of the JIT on Windows x64?
> Broken; at the very least, there's 
> http://llvm.org/bugs/show_bug.cgi?id=3739 .


in my case, otherwise I would have asked if anyone had benchmarked the 
SysV/AMD64 calling convention vs the Win64 calling convention...

I personally want to know what is faster, but can't find any benchmarks, nor 
am that inclined in going through all the steps to get it working 
(installing a 64-bit windows, geting 64-bit compilation set up, and getting 
benchmarks to compare between Windows and Linux, ...).

but, alas, if anyone has tested this, I am hoping I can hear the results...

(sadly, I don't have anything available to accurately test Win64 on a 
Linux-based setup, but this could be technically more accurate than using 
Windows, since it would reduce the risk of OS-specific overhead 

> -Eli
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