search for: zhengly

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2007 Mar 19
1
Wile: Error when executing "make" in SimplyMepis 3.4.3
Hello, I got the following error message when I executed "make". Can anyone help me on this issue? Thanks! Mike make[1]: Entering directory `/home/zheng/Desktop/wine-0.9.28/tools' make[1]: `makedep' is up to date. make[1]: Leaving directory `/home/zheng/Desktop/wine-0.9.28/tools' make[1]: Entering directory `/home/zheng/Desktop/wine-0.9.28/libs' make[2]: Entering
2010 May 18
4
[LLVMdev] DEBUG INFO at the bytecode level
Thanks Edwin. I found DebugInfo.cpp may be useful. Could you tell me which function I should call inorder to know the source file name and the line number for a particular instruction? Cheers, Zheng 2010/5/18 Török Edwin <edwintorok at gmail.com>: > On 05/18/2010 01:26 PM, Zheng Wang wrote: >> Hello, >> >> Could I get some debug info at the byte code level? I am
2012 Nov 16
2
[LLVMdev] Trouble starting private llvm buildbot master.
Hi, I had cloned zorg from https://llvm.org/svn/llvm-project/zorg/trunk, then I try to start the buildbot master located in buildbot/osuosl/master (the absolute path is /nfs/home/hongbin.zheng/buildbot/zorg/buildbot/osuosl/master) by simply typing "buildbot start" And I get something like this from my twistd.log: --- <exception caught here> --- File
2018 Dec 18
2
should we do this time-consuming transform in InstCombine?
Hi Roman, Thanks for your good idea. I think it can solve the abs issue very well. I can continue with my work now^-^. But if it is not abs and there is no select, %res = OP i32 %b, %a %sub = sub i32 0, %b %res2 = OP i32 %sub, %a theoretically, we can still do the following transform for the above pattern: %res2 = OP i32 %sub, %a ==> %res2 = sub i32 0, %res Not sure whether we can do it
2012 Nov 16
0
[LLVMdev] Trouble starting private llvm buildbot master.
Hongbin, Did you tweak sys.path? # Extend paths to allow loading zorg and config modules. import os, sys path = os.path.join(os.environ.get('HOME'), 'zorg', 'buildbot', 'osuosl', 'master') if path not in sys.path: sys.path.append(path) path = os.path.join(os.environ.get('HOME'), 'zorg') if path not in sys.path: sys.path.append(path)
2017 Mar 05
3
can we override "if" in R?
On Sun, Mar 5, 2017 at 2:50 PM, Michael Lawrence <lawrence.michael at gene.com> wrote: > > > On Sat, Mar 4, 2017 at 12:36 PM, Da Zheng <zhengda1936 at gmail.com> wrote: >> >> In my case, I create a new type of matrices and override matrix >> operations in R for these matrices. >> My goal is to make the system as transparent as possible, which means
2010 Apr 21
1
[LLVMdev] Performing my own pass with a single command line?
Hi John, Are there any documents about how to add a pass into LTO? Cheers, Zheng On 19 April 2010 15:11, John Criswell <criswell at uiuc.edu> wrote: > Dear Zheng Wang, > > You have a few options: > > 1) You can add your pass to the set of passes that llvm-gcc runs when it > optimizes code.  This requires re-compiling llvm-gcc; it also means that > your pass must be
2017 May 09
3
[PATCH v2 5/5] ACPI: button: Obselete acpi_lid_open() invocations
Since notification side has been changed to always notify kernel listeners using _LID returning value. Now listeners needn't invoke acpi_lid_open(), it should use a spec suggested control method lid device usage model: register lid notification and use the notified value instead, which is the only way to ensure the value is correct for "button.lid_init_state=ignore" mode or other
2017 Mar 04
5
can we override "if" in R?
I'm just curious. Why making "if" generic is even more dangerous? Best, Da On Sat, Mar 4, 2017 at 1:22 PM, G?bor Cs?rdi <csardi.gabor at gmail.com> wrote: > `!` is a generic, `if` is not. You can define an `if` that is generic, > but this might be even more dangerous.... > > ? `if` <- function(a, b, c) UseMethod("if") > ? `if.default` <-
2010 Apr 06
2
[LLVMdev] Get the loop trip count variable
Thanks a lot for your guys' help!!! I guess once I am able to get *V* (which probably is a pointer to a Value object), then, I can instrument some code at the IR level to dump V. As long as I maintain V at this pass stage, I should be able to dump the loop trip count. This is true, isn't it? Basically, what I am going to do is to add a function call before the loop body, such as:
2010 May 18
0
[LLVMdev] DEBUG INFO at the bytecode level
Thanks Edwin, I will check it out. Cheers, Zheng 2010/5/18 Török Edwin <edwintorok at gmail.com>: > On 05/18/2010 02:13 PM, Zheng Wang wrote: >> Got it. >> >> I am using LLVM 2.6. I guess  bool getLocationInfo(const Value *V, >> std::string &DisplayName,...) has everything I need.\ > > Yes, for variables. > For instructions see what printStopPoint()
2022 Oct 29
3
[PATCH] drm/nouveau/mmu: fix use-after-free bug in nvkm_vmm_pfn_map
If it failed in kzalloc, vma will be freed in nvkm_vmm_node_merge. The later use of vma will casue use after free. Reported-by: Zheng Wang <hackerzheng666 at gmail.com> Reported-by: Zhuorao Yang <alex000young at gmail.com> Fix it by returning to upper caller as soon as error occurs. Signed-off-by: Zheng Wang <zyytlz.wz at 163.com> ---
2006 Jun 12
9
Several issues in ChangeSet 10319
We found several issues in ChangeSet 10319. ChangeSet 10314 should work according to our test log. 1, xen0 can not be compiled for IA-32/IA-32pae host since ChangeSet 10318. We tried gcc 3.4.2 and 4.1.0 but both failed. 2. On IA32e host, VMX can not be created. "xm cr" complains: Error: Not an HVM capable platform, we stop creating. 3, On IA32e host, "reboot" can not
2010 May 18
3
[LLVMdev] DEBUG INFO at the bytecode level
Hello, Could I get some debug info at the byte code level? I am writing a passer and if will be nice if I can know which line in the source an instruction (or value) corresponds to. I found a document online: http://llvm.org/docs/SourceLevelDebugging.html, but I can't find an example of doing it at the byte code level. Cheers, Zheng
2010 Apr 19
2
[LLVMdev] Performing my own pass with a single command line?
Hello, As far as I know, the LLVM pass manager only perform at the llvm bytecode level. This means for each program, I have to convert it to a LLVM bytecode by: llvm-gcc -c -emit-llvm test.c then, I can issue the llvm pass manager to invoke my own pass and produce an output as LLVM bytecode, such as: opt -my-pass < test.o > test.new.o After this point, I need to convert it to assembly
2009 May 29
4
R's documentation
Sometimes I get confused with R's documentation. It seems the documents is not maintained and updated well. Anyone has similar feeling? I don't mean to offend anyone. I hope R would get better and better. But documentation is really one very important factor which could attract people coming or drive people away. Xin Zheng [[alternative HTML version deleted]]
2017 Apr 26
2
Store unswitch
Hi, Yes, I can see why that would not work. The sinking algorithm in SimplifyCFG isn't particularly clever. In particular it can't reason about memory ordering and aliasing. In unswitch1(), it can identify that the stores correlate because the correlating stores appear in the same relative source order. In unswitch2() they have been permuted, and the algorithm cannot deal with this. This
2010 Apr 06
1
[LLVMdev] Get the loop trip count variable
Hi Eli, Could you tell me how to extract the variable name? The reason I want to do it at the IR level is because I have more information at this stage, such as, constant propagation and back edges. Cheers, Zheng On 5 April 2010 21:51, Eli Friedman <eli.friedman at gmail.com> wrote: > On Mon, Apr 5, 2010 at 1:19 PM, Zheng Wang <jason.wangz at gmail.com> wrote: >> Hello,
2004 Nov 16
5
openssh porting
Hi All, I want port the openssh on an embedded system based on powerPC. Is there any document that can guide me to start? Thanks in advance, Mike Zheng __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
2017 Mar 04
2
can we override "if" in R?
In my case, I create a new type of matrices and override matrix operations in R for these matrices. My goal is to make the system as transparent as possible, which means my system should execute the existing R code without modification. The problem is that when data is in my own vectors or matrices, "if" or "while" can't access their values unless we explicitly convert them