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On Sunday 22 February 2009 17:06:06 Eli Friedman wrote: > On Sun, Feb 22, 2009 at 3:25 PM, Wesley J. Landaker <wjl at icecavern.net> wrote: > > * Has anyone else out there targeted (or tried to target) a stack > > machine before? Was it successfull? What problems did you have? > > Haven't done that, and I don't think there are any existing backends > like this. It sh...

...(desirable), or if it's going to be so problematic that I'd be better off implementing an entire new code-generator myself (undesirable). Any other comments or discussion is welcome. All of my work (hardware design and all software) will be publicly and freely available. -- Wesley J. Landaker <wjl at icecavern.net> <xmpp:wjl at icecavern.net> OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally...

On Sun, Feb 22, 2009 at 3:25 PM, Wesley J. Landaker <wjl at icecavern.net> wrote: > * Has anyone else out there targeted (or tried to target) a stack machine > before? Was it successfull? What problems did you have? Haven't done that, and I don't think there are any existing backends like this. It should be feasible, though;...

...part of the data that convinced me that I really could go with a stack machine for the work I'm doing. I'm planning on implementing register allocation based partially on your paper. Actually, I was wondering if any of your lcc implementation work was publicly available. -- Wesley J. Landaker <wjl at icecavern.net> <xmpp:wjl at icecavern.net> OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally...

...one quite a lot of work on register allocation for stack machines. You might want to look at my papers: http://www.dcs.gla.ac.uk/~marks/euroforth.pdf http://www.dcs.gla.ac.uk/~marks/thesis.pdf Good luck, Mark. -----Original Message----- From: llvmdev-bounces at cs.uiuc.edu on behalf of Wesley J. Landaker Sent: Sun 22/02/2009 23:25 To: llvmdev at cs.uiuc.edu Subject: [LLVMdev] Creating an LLVM backend for a very small stack machine[MESSAGE NOT SCANNED] Hi folks, I am interesting in creating an LLVM backend for a very small stack machine. Before I start in on the actual implementation, I'd...

On Feb 22, 2009, at 5:43 PM, Wesley J. Landaker wrote: > > I would love to see a Kalescope-like tutorial that goes step-by-step > through > making a backend. At the very least, I'll be documenting my > adventure, so > maybe once I know what I'm doing I can turn it into a tutorial. Have you seen: http://llvm.org/d...

...in a target-specific format that I can easily read from Python, where the I'm implemented the bulk of my actual backend. I'm doing this largely to avoid writing an .ll or .bc parser (which wouldn't be terrible, but I'm not sure how stable those formats really are). -- Wesley J. Landaker <wjl at icecavern.net> <xmpp:wjl at icecavern.net> OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally...

Hi. Le duodi 2 frimaire, an CCXIV, Wesley J. Landaker a ?crit?: > speexenc always crashes on amd64; here is an example, and lots of info: I tracked this bug a bit further than you. Here is the origin of the crash: op.packet = (unsigned char *)speex_header_to_packet(&header, (int*)&(op.bytes)); (from speexenc.c) op.bytes is a lon...

...step? Anyway, I'm just trying to make sure I'm taking the right approach before I run head first into any dead ends. Ultimately, I'd rather do things "right" than "fast", since in my experience, "right" takes less time in the long run. ;) -- Wesley J. Landaker <wjl at icecavern.net> <xmpp:wjl at icecavern.net> OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally...

...des a head start for chosing stack allocation candidates. For example, PHI-nodes are obvious candidates for edges in the flow-graph. I would be interested to see how good SSA-form is for stack allocation, as that was my intended direction if I had stayed longer at York. Cheers, Mark. Wesley J. Landaker wrote: > On Monday 23 February 2009 03:23:59 Mark Shannon wrote: >> I've done quite a lot of work on register allocation for stack machines. >> You might want to look at my papers: >> http://www.dcs.gla.ac.uk/~marks/euroforth.pdf >> http://www.dcs.gla.ac.uk/~marks/t...

On Wednesday 25 March 2009 17:12:34 John Criswell wrote: > jstanier wrote: > > Hi everyone, > > > > I'm currently in the first year of my PhD, and I'm going to be looking at > > an experimental IR for my thesis. After looking at a variety of research > > compilers I've come to the conclusion that LLVM is the nicest to work > > with for my

from the Agile Book, i see i can set the absolute session expiry time via: ActionController::CGIRequest::DEFAULT_SESSION_OPTIONS[:session_expires] however, I don''t see anything about what the actual default setting is when a session is created. also, is there a way to set the expiration to happen when the browser is closed? in PHP, this can be accomplished using

I''m really lost on this issue. Do I need to reinstall rails / gems? The rest of my rails setup seems to be working. I just can''t run dispatch.fcgi. (Details in original message below). I have no idea how to troubleshoot this. I''m not even positive it is supposed to be runnable from the command line. I found a troubleshooting guide that implied it was supposed to