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On Feb 5, 2010, at 2:01 AM, Gergö Barany wrote: > On Thu, Feb 04, 2010 at 13:59:08 -0800, Evan Cheng wrote: >> A more pressing need is a pre-regalloc scheduler that can switch modes to >> balance reducing latency vs. reducing register pressure. > > Right. I'm actually working on implementing a variant of IPS (Go...

...arge number of registers to play with and the register pressure reduction scheduler doesn't work well. Same issue in ARM, there are a ton of 32-bit and 64-bit floating point registers. Evan On Feb 3, 2010, at 10:30 AM, Jakob Stoklund Olesen wrote: > > On Feb 3, 2010, at 6:00 AM, Gergö Barany wrote: > >> I independently arrived at the same crazy idea :-) and I'm wondering if >> anybody ever went and actually implemented a rescheduling allocator in LLVM. >> I've done some poking around the web, the mailing list archives and the LLVM >> source code, but...

...of physical register dependencies in those schedulers, which I am currently struggling with. It's all in a very messy pre-prototype stage, but I'm getting there and will be happy to contribute my work when it's nice and clean. Thanks for the feedback, Jakob and Evan. Gergo -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801...

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...he cross compiling is supported, is there any documentation on how to > do it? Dunno. Last time I looked, the documentation of clang's command line flags disagreed with reality, and the -ccc-host-triple flag wasn't documented anywhere. This might have changed in the meantime. -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801-18598

...ing. ++time; } else { assert( 0 && "The register is always defining or used." ); } } } } } } Thanks, Jeff Kunkel On Sun, Aug 29, 2010 at 8:45 AM, Gergö Barany <gergo at complang.tuwien.ac.at>wrote: > On Sat, Aug 28, 2010 at 16:20:42 -0400, Jeff Kunkel wrote: > > What I need to know is how to access the machine register classes. Also, > I > > need to know which virtual register is to be mapped into each specific > > register...

...ives and the LLVM source code, but I haven't found anything suggesting that this has been done. If anyone has tried it and would be willing to share code, insights, or lessons learned, I would be very grateful to hear from them. [1] http://www.llvm.org/devmtg/2008-08/ Thanks, Gergo -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801...

...ers valid for that class. > And a afterthought, does LLVM place casts into > different virtual registers, or do I need to include casting of floats to > integers or vice versa when I see ADD i32 float i32? The instruction selector creates all necessary conversion instructions. -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801...

So I have a good understanding of what and how I want to do in the abstract sense. I am starting to gain a feel for the code base, and I see that I may have a allocator up and running much faster than I once thought thanks to the easy interfaces. What I need to know is how to access the machine register classes. Also, I need to know which virtual register is to be mapped into each specific

On Feb 3, 2010, at 6:00 AM, Gergö Barany wrote: > I independently arrived at the same crazy idea :-) and I'm wondering if > anybody ever went and actually implemented a rescheduling allocator in LLVM. > I've done some poking around the web, the mailing list archives and the LLVM > source code, but I haven't found...

Excellent, I've implemented my own PBQP register allocator and solved the issue very painlessly. Now onto those more interesting problems! Thanks for your suggestion, Fraser On Fri, Oct 5, 2012 at 9:26 AM, Gergö Barany <gergo at complang.tuwien.ac.at>wrote: > On Thu, Oct 04, 2012 at 16:20:53 +0100, Fraser Cormack wrote: > > This architecture has two single-ported register files. Each instruction > > can only read one operand from each register file, but can write to > either. > > Ev...

...Return registers are immediately copied to virtual registers and can then be considered dead. This way, you don't need to track liveness and reaching definitions for such registers across blocks. But probably someone with a better understanding of this design should weigh in. Gergo -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801...

Hello list, I wonder if llvm/Clang can compile C or C++ for ARM from on x86. http://comments.gmane.org/gmane.comp.compilers.clang.devel/8896 The talk above answered 'NO' to my question, which means Clang is not yet able to cross compile for ARM on X86. Is the answer still correct for my question? I saw somewhere that Clang supports ARM on Darwin only. Then is the cross compiling

On Fri, 30 Nov 2018 09:06:34 +0000 Rowland Penny via samba <samba at lists.samba.org> wrote: > On Fri, 30 Nov 2018 06:16:42 +0000 (UTC) > barani tharan <aru_barani at yahoo.com> wrote: > > > Dear Rowland Penny > >  I follow your mentioned step still i am face the same problem > > I have 1 Domain Controller [sambadc] and 1 Domain member for Samba > >

Dear Rowland Penny  I follow your mentioned step still i am face the same problem I have 1 Domain Controller [sambadc] and 1 Domain member for Samba Share and backup [backupserver] 1.when try view the ACL rights is backup server i can able view the domain user name [root at backupserver Rishinox]# getfacl /ADHDD/Rishinox/ getfacl: Removing leading '/' from absolute path names # file:

...d be involved in a project like this, I would like to ask for a quick show of hands: Who would be interested in contributing code to LLVM-with-profiling? (Either actual profiling code, or passes that use profiling information.) Who would want to use the branch, even without contributing? -- Gergö Barany, research assistant gergo at complang.tuwien.ac.at Institute of Computer Languages http://www.complang.tuwien.ac.at/gergo/ Vienna University of Technology Tel: +43-1-58801-58522 Argentinierstrasse 8/E185, 1040 Wien, Austria Fax: +43-1-58801...

Hi, thank you for your explanations. In order to get a pre-RA scheduling, I would need something like: - LiveVars - PhiElim - TwoAddr - LiveIntervals - Coalescing - Scheduler (new) - SlotIndexing - LiveIntervals2 (new) - RegAllocMy qeustion then is, is it really so difficult to create the live intervals information, with modifications to the original algorithm, or even from scratch?

Hi, Paul Curtis wrote: > If you read the Arm Architecture document for ARMv5, it states for MUL: > > "Operand restriction: Specifying the same register for <Rd> and <Rm> was > previously described as producing UNPREDICTABLE results. There is no > restriction in ARMv6, and it is believed all relevant ARMv4 and ARMv5 > implementations do not require this

Hello, is it possible to compile just an subproject? For example, just llc or lli? Cheers. Beckert. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120503/c20aa7b1/attachment.html>

Hello Everyone, Would you please send me any links to documentation on LLVM stack? I am particularly interested in knowing how each instruction in an LLVM bit code file(.ll file) affects its stack. To be specific, is it possible to map an LLVM program as operations on a stack? Thanks, Amruth