search for: contant

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2013 Jun 26
2
[LLVMdev] Contants generation - proposal
...eadOnly() && ReadOnlySection != 0) return ReadOnlySection; return DataSection; } - Elena -----Original Message----- From: Tim Northover [mailto:t.p.northover at gmail.com] Sent: Tuesday, June 25, 2013 23:31 To: Demikhovsky, Elena Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] Contants generation - proposal Hi Elena, > (2) Proposal > Define one more Code Model, let's say "LargeNearConst", which will allow to put constants in .text. Isn't that a little heavy-handed? The large model only requires the less efficient access for symbols we can't control...
2013 Jun 25
2
[LLVMdev] Contants generation
Hi again, Actually, I've just been looking at the existing code and the ARM solution may be over-complicated for this situation. You should be able to override EmitConstantPool directly, or possibly even just override getSectionForConstantKind in X86LinuxTargetObjectFile (and perhaps others) to return .text. Tim.
2013 Jun 25
0
[LLVMdev] Contants generation
...lly, I'm looking for a flag that can say that the whole constants pool is in code section. - Elena -----Original Message----- From: Tim Northover [mailto:t.p.northover at gmail.com] Sent: Tuesday, June 25, 2013 15:08 To: Demikhovsky, Elena Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] Contants generation Hi again, Actually, I've just been looking at the existing code and the ARM solution may be over-complicated for this situation. You should be able to override EmitConstantPool directly, or possibly even just override getSectionForConstantKind in X86LinuxTargetObjectFile (and per...
2013 Jun 26
0
[LLVMdev] Contants generation - proposal
>> I think that the improved behavior for consts should be acceptable in the large model. But that's just me. > By default, all constants should be in a special read-only section, and this section may be far from the text section. Why should they? The only reason I can think of is to support execute-only pages, but isn't that the less common use-case? From what I could tell from
2013 Jun 25
0
[LLVMdev] Contants generation - proposal
Hi Elena, > (2) Proposal > Define one more Code Model, let's say "LargeNearConst", which will allow to put constants in .text. Isn't that a little heavy-handed? The large model only requires the less efficient access for symbols we can't control, and in fact x86 still uses pc-relative conditional branches within a function so it can't pretend to support a single
2013 Jun 25
2
[LLVMdev] Contants generation - proposal
...ar people's opinion. Will it help other targets? I'm ready to send a patch. Thank you. - Elena -----Original Message----- From: Tim Northover [mailto:t.p.northover at gmail.com] Sent: Tuesday, June 25, 2013 15:08 To: Demikhovsky, Elena Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] Contants generation Hi again, Actually, I've just been looking at the existing code and the ARM solution may be over-complicated for this situation. You should be able to override EmitConstantPool directly, or possibly even just override getSectionForConstantKind in X86LinuxTargetObjectFile (and per...
2013 Jun 24
2
[LLVMdev] Contants generation
Hi, I'd like to generate constants inside .text in order to use ip-relative loads, when the code model is "large". How can I do this? (I'm on X86_64 linux) Thank you. - Elena --------------------------------------------------------------------- Intel Israel (74) Limited This e-mail and any attachments may contain confidential material for the sole use of the
2013 Jun 25
0
[LLVMdev] Contants generation
Hi Elena, > I’d like to generate constants inside .text in order to use ip-relative > loads, when the code model is “large”. I don't think this is a sequence the x86 backend supports at the moment, but it is how ARM handles its constant-pools. The outline is that you have a pass which looks through a functions constpool uses and emits a pseudo-instruction for each, which is then
2007 Aug 20
0
[LLVMdev] Problem with missing support for non-zero contant initializers.
On 8/20/07, Anton Korobeynikov <asl at math.spbu.ru> wrote: > Hello, Tomas. > > > So far I have only been using LLVM at the user level. And I'm not sure > > how this problem should be solved. It would be really nice if there > > was a way to specify something like: > > ******************************************************************* > >
2007 Aug 20
0
[LLVMdev] Problem with missing support for non-zero contant initializers.
On Mon, 20 Aug 2007, Tomas Lindquist Olsen wrote: > I'm working on a LLVM based compiler for the D programming language by > Walter Bright. Nifty. > D allows static arrays up to 16MB in size. I'm initializing global > static arrays with a constant initializer. But D requires that (per > default) static arrays are initialized with the default initializer > for the
2007 Aug 20
1
[LLVMdev] Problem with missing support for non-zero contant initializers.
> > D allows static arrays up to 16MB in size. I'm initializing global > > static arrays with a constant initializer. But D requires that (per > > default) static arrays are initialized with the default initializer > > for the element type. For float this happens to be NaN, so I cannot > > use a 'zeroinitializer'. > > Wow, this *is* bad. I think
2007 Aug 20
1
[LLVMdev] Problem with missing support for non-zero contant initializers.
Chris Lattner wrote: >> D allows static arrays up to 16MB in size. I'm initializing global >> static arrays with a constant initializer. But D requires that (per >> default) static arrays are initialized with the default initializer >> for the element type. For float this happens to be NaN, so I cannot >> use a 'zeroinitializer'. > > Wow, this *is*
2008 Dec 13
1
need to initialize contant arrays , where to do it...
I need to load names, from the table ''domains'' into an array (frequently used in my app..) ALL_DOMAINS = Domain.find(:all).map { |d| d.name }.compact I tried to write it in an initialize or in my application.rb BUT problem : when I run a rake db:migrate initially (after creating the database) I get an error.. rake db:migrate --trace (in
2007 Aug 20
2
[LLVMdev] Problem with missing support for non-zero contant initializers.
Hello, Tomas. > So far I have only been using LLVM at the user level. And I'm not sure > how this problem should be solved. It would be really nice if there > was a way to specify something like: > ******************************************************************* > @_D9arrayinit5tableG32f = global [32 x float] [ 32 x float 0x7FF8000000000000 ] >
2007 Aug 20
5
[LLVMdev] Problem with missing support for non-zero contant initializers.
Hi all. I'm working on a LLVM based compiler for the D programming language by Walter Bright. D allows static arrays up to 16MB in size. I'm initializing global static arrays with a constant initializer. But D requires that (per default) static arrays are initialized with the default initializer for the element type. For float this happens to be NaN, so I cannot use a
2007 Oct 19
2
logrotation
Dear all Salam, i have installed logrotation package in BSD, the script runs every night at 3:00 pm night and makes filename.1.gz. but when i use less command to see this gz file it says "do u want to see binary file??" through which utility i can see the contants of the file??? Regards, Umair Shakil ETD -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20071019/b322e628/attachment-0004.html>
2010 Nov 05
5
Ongoing performance issues with 2.0.x
...I migrated from 1.2.15 to 2.0.x by converting the existing config) Today, we have MUCH LESS load, with the same number of logins/min. I cannot say what exactly causes this immense increase in load, but one observation is that the time spent in system() has now dropped (user and iowait have stayed contant) to a third of the values I was seeing with 2.0.x. This evening I'll post some graphs showing two comparable 24 hour ranges. -- Ralf Hildebrandt Gesch?ftsbereich IT | Abteilung Netzwerk Charit? - Universit?tsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin...
2019 Jun 03
2
How to fix mapping Administrator to root
...C. Base Permission of the share folder is 0770 and own is root and the groups is "domain admins" in linux. since "smbstatus -b" show that administrator's group is root. Is this related to my previous configuration? I once give a uidNumber to administrator. here's full contant in my smb.conf [global] security = ADS workgroup = NTBAOBEI realm = NTBAOBEI.COM log file = /var/log/samba/%m.log log level = 3 passdb:5 auth:5 winbind:5 idmap config * : backend = tdb idmap config * : range = 3000-7999 idmap config...
2006 May 23
4
[LLVMdev] Spilling register and frame indices
...ing by: 1. Creating stack object 2. Passing index of that stack object to MRegisterInfo::storeRegToStackSlot 3. At later stage, frame indices are replaced by calling to MRegisterInfo::eliminateFrameIndex. This works for me, but there's slight problem. The target does not have "register + contant" addressing mode, so accessing frame index should be done like this: some_register = frame_pointer + offset ...... [some_register] Since frame index eliminations happens after register allocation, I must make sure 'some_register' does not participate in normal register al...
2024 Jan 12
1
chmod of smbpasswd file
...r than > owner. https://bugzilla.samba.org/show_bug.cgi?id=15555 Filed a bug and a patch is proposed: add fstat() to bypass [f]chmod() if the password file has valid permissions 0600. We had a similar case before, a bit different is the password file is resident on a writable ext3/ext4, and contantly [f]chmod() might have a performance impact on entry-level systems since dirty pages syncing is expensive, hope this helps :) -- Regards, Jones Syue | ??? QNAP Systems, Inc.