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2013 Jul 23
3
[LLVMdev] Vector DAG Patterns
...of a vector are anded/ored together. My approach thus far has been to extract the sub elements of the vector and and/or those elements. This is ok for 4 vectors of i32s, but becomes cumbersome for v16i8s. Example instruction: andx $dst $v1 Pattern: [(set RC:$dst, (and (i32 (vector_extract(vt VC:$src), 0 ) ), (and (i32 (vector_extract(vt VC:$src), 1 ) ), (and (i32 (vector_extract(vt VC:$src), 2 ) ), (i32 (vector_extract(vt VC:$src), 3 ) ) ) ) ) )] Is there a better way to do this? Regards --- Conor Mac Aoidh
2013 Jul 26
0
[LLVMdev] Vector DAG Patterns
To elaborate, it is not only cumbersome writing these patterns for vectors of 16 characters (v16i8), it does not work. When I compile with this pattern for an andx operation on v16i8: /[(set RC:$dst,// // (and (i8 (vector_extract(vt VC:$src), 0 ) ), // // (and (i8 (vector_extract(vt VC:$src), 1 ) ),// // (and (i8 (vector_extract(vt VC:$src), 2 ) ),// ////(and (i8 (vector_extract(vt VC:$src), 3 ) ),// // (and (i8 (vector_extract(vt VC:$src), 4 ) ),// // (and (i8 (vector_extract(vt VC:$src),...
2012 Apr 10
0
VT-d BIOS problem with DMAR/ACPI tables | Sabertooth X58
Hi, I''m not able to activate VT-d on my PC due to a buggy BIOS. Xen fails to parse ACPI DMAR table. There is a problem with RMRR address range. My configuration is : - Debian Weezy - Xen version 4.1.2 (Debian 4.1.2-2) - Sabertooth X58 with last bios (1304) - i7 - 960 I have the following message : (XEN) [VT-D]dmar.c:704: Hos...
2010 May 12
44
Xen4 / Intel DX58SO Mobo / VT-d not working
Hello, I''ve previously been successful with Xen4 and VT-d on other systems. I am having trouble getting VT-d passthrough working to a WinXP domain with DX58SO (Q45) motherboard and i7 930 CPU. VT-d is enabled in bios, xm info shows hvm_directio capability, I have iommu=1 set, I have the devices bound to pciback on dom0 cmdline, xm pci-list-assignable-de...
2010 May 12
44
Xen4 / Intel DX58SO Mobo / VT-d not working
Hello, I''ve previously been successful with Xen4 and VT-d on other systems. I am having trouble getting VT-d passthrough working to a WinXP domain with DX58SO (Q45) motherboard and i7 930 CPU. VT-d is enabled in bios, xm info shows hvm_directio capability, I have iommu=1 set, I have the devices bound to pciback on dom0 cmdline, xm pci-list-assignable-de...
2008 Aug 05
18
RE: Xen-3.2.1 VT-d Support (NOT SURE WHETHER IT''S A BUG OR...)
...seems to be experiencing the same problem as me. I have the latest BIOS for my motherboard DQ35JO. (BIOS ver 933) I''m running a Q6600 as well. It hangs at "Brought up 4 CPUs." I''ve tried all sorts of combinations of Xen versions and kernels to get this working. And, yes, VT and VT-d are enabled in my BIOS. 1) CentOS 5.2 SRPMS compiled with Xen 3.2.1. Adding pci=nommconf does not get it to boot. 2) Mercurial Xen-3.2-testing. Here, after adding pci=nommconf, I get: (XEN) [VT-D]dmar.c:441: RMRR is incorrect. (XEN) Failed to parse ACPI DMAR. Disabling VT-d. (XEN) [VT-...
2005 Dec 10
6
How to run Windows on Xen 3.0 with VT
We have an Intel VT system, and we have successfully installed Xen 3.0 on it, but we cannot find out how to run Windows as a guest OS. Someone on this mailing list has successfully done it, but did not say how. Thanks, - Hao _______________________________________________ Xen-users mailing list Xen-users@lists.x...
2010 Nov 29
13
VTD not working on Intel DX58SO w/ Xen 4.0.1
Hello, I''m having problems with VTD on this board. The board/cpu/bios all support vt-d and I think maybe I''m just missing something? Any feedback would be much appreciated :) Output below: root@vm:~# xm create /etc/xen/vm-nine.cfg Using config file "/etc/xen/vm-nine.cfg". Error: Failed to assign device to IOMMU...
2010 Nov 29
13
VTD not working on Intel DX58SO w/ Xen 4.0.1
Hello, I''m having problems with VTD on this board. The board/cpu/bios all support vt-d and I think maybe I''m just missing something? Any feedback would be much appreciated :) Output below: root@vm:~# xm create /etc/xen/vm-nine.cfg Using config file "/etc/xen/vm-nine.cfg". Error: Failed to assign device to IOMMU...
2008 Jul 15
3
Re: Wine and Legacy 6.0 Genealogy Program
I installed the most current version of Wine and then installed Legacy 7.0 onto my Ubuntu 8.04. the installation seemed to 'take'. Unfortunately when I activate Legacy, all I get is a view 1/4 of the screen - not a full screen, just the upper left had corner which shows a partial Legacy screen. I did not get any 'runtime' errors - just the partial screen and the program will not
2008 Mar 05
4
Intel VT-d Support
Hello all, please tell me, how can I be sure that my Xen installation is built with Intel VT-d support? Something like xm info | grep -i KEY-REGULAR-EXPRESSION xm dmesg | grep -i KEY-REGULAR-EXPRESSION What a line should I look for? And if my installation was really built with VT-d support, how can I be sure, that Xen has successfully initialized VT-d hardware? I have read [1] and...
2008 Apr 24
2
any VT-d enabled mobos for Xeon 5000 series out there ?
Hi list, i have seen a lot of questions about VT-d on recent intel mobos. however, it seems that all tests are done on the newer socket 775-based xeon''s or core2''s, and not the 5000 series (socket 771 based). i was planning on getting a intel S5000V chipset, but found out that it does not support VT-d. Can anyone confirm a mobo...
2013 Jan 03
2
simulation
...nfidence with R for statistical analysis, but not for simulation therefore I apologize for my ignorance. What I came up with is the following: ##general settings c<-0.5 lambda<-0.3 a<-c/lambda n<-500 ## Eq.12 (the v_t random walk) V_init_cond<-0 Et<-ts(rnorm(n+100,mean=0,sd=1)) Vt<-Et*0 Vt[1]<-V_init_cond+Et[1] for(i in 2:(n+100)) { Vt[i]<-Vt[i-1]+Et[i] } Vt<-ts(Vt[(length(Vt)-n+1):length(Vt)]) plot(Vt) ## Eq.13 (the strategy) Xt_init_cond<-0 Xt<-Xt_init_cond*0 Xt[2]<-c(Vt[1]-Pt[1]) for(i in 2:(n)){ Xt[i]<-c(Vt[i-1]-Pt[i-1]) } Xt<-ts(Xt[(length(Xt...
2012 May 21
3
[LLVMdev] Bug in SUB expansion going back to LLVM 2.6
I found a bug in the expansion code for SUB going back to at least LLVM 2.6 and still shows up in trunk. case ISD::SUB: { EVT VT = Node->getValueType(0); assert(TLI.isOperationLegalOrCustom(ISD::ADD, VT) && TLI.isOperationLegalOrCustom(ISD::XOR, VT) && "Don't know how to expand this subtraction!"); Tmp1 = DAG.getNode(ISD::XOR, dl, VT, Node->getOperand(1),...
2008 Jun 05
1
VT-d warnings on Intel DQ35JO
hi, This is what I get on the Intel DQ35JO. Is it critical? (XEN) Brought up 2 CPUs (XEN) [VT-D]iommu.c:1700: Queued Invalidation hardware not found (XEN) [VT-D]iommu.c:1700: Queued Invalidation hardware not found (XEN) [VT-D]iommu.c:1700: Queued Invalidation hardware not found (XEN) [VT-D]iommu.c:1700: Queued Invalidation hardware not found (XEN) [VT-D]iommu.c:1708: Interrupt Remapping har...
2008 Mar 05
16
Intel VT-d Support
Hello all, please tell me, how can I be sure that my Xen installation is built with Intel VT-d support? Something like xm info | grep -i KEY-REGULAR-EXPRESSION xm dmesg | grep -i KEY-REGULAR-EXPRESSION What line I should look for? And if it''s really built with it, how can I be sure, that Xen has successfully initialized VT-d hardware? I have read [1] and the lists archive...
2010 Sep 17
27
Problem: Pattern with vertical colored lines on the dom0 screen
...and the xen hypervisor. When the hypervisor gets booted with VESA mode 800x600 I see some messages and then the screen contents is switched into a pattern of vertical colored lines and never comes back. In text mode all works well, but later the pattern appears when the X servers starts. I disabled VTd in the bios and now all went fine. I saw this first with SLES11 SP1 but could reproduce it with the xen-unstable hypervisor. When I start the linux kernel native on the machine with or without VTd all is running very well. Following data: cpu: Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz with inte...
2012 Jul 26
2
[LLVMdev] Why is this assertion here?
I'm trying to understand why this assertion is here. LegalizeAction getCondCodeAction(ISD::CondCode CC, EVT VT) const { assert((unsigned)CC < array_lengthof(CondCodeActions) && (unsigned)VT.getSimpleVT().SimpleTy < sizeof(CondCodeActions[0])*4 && "Table isn't big enough!"); LegalizeAction Action = (LegalizeAction) ((CondCodeActions[C...
2009 Feb 24
8
Trouble enabling VT-D: "I/O virtualisation disabled"
I have a chipset which supports VT-d (Intel X58) and, according to my motherboard manufacturers, VT-d is enabled in the BIOS and listed as "Intel VT." The problem is that xm dmesg shows "I/O virtualisation disabled" and I get this error message when I try to create a domU with a pci device assigned: ''Err...
2012 Jul 26
2
[LLVMdev] RFC: CondCodeActions refactor (was RE: Why is this assertion here?)
...ion code. uint64_t > CondCodeActions[ISD::SETCC_INVALID]; > > What I suggest is the following: > Change the definition of CondCodeAction to: > uint64_t CondCodeActions[ISD::SETCC_INVALID][2]; > > setCondCodeAction then becomes: > void setCondCodeAction(ISD::CondCode CC, MVT VT, > LegalizeAction Action) { > assert(VT < MVT::LAST_VALUETYPE && > (unsigned)CC < array_lengthof(CondCodeActions) && > "Table isn't big enough!"); > CondCodeActions[(unsigned)CC][VT.SimplyTy...