Displaying 10 results from an estimated 10 matches for "waggon".
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2013 Nov 10
2
[LLVMdev] [Target] Custom Lowering expansion of 32-bit ISD::SHL, ISD::SHR without barrel shifter
...; There doesn't seem to be a set of standard node types analogous to ADD / ADDC / ADDE for shift operations, which is really what I'm after here.
>>
>> I would very much appreciate any advice or insight you could provide on this matter.
>>
>> Thanks,
>> ~Dave Waggoner / MathOnNapkins
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
> ______________________________________________...
2013 Nov 11
0
[LLVMdev] [Target] Custom Lowering expansion of 32-bit ISD::SHL, ISD::SHR without barrel shifter
...ter, though, is the MSP430, and it's still a bit
experimental (though a very helpful example for me at times).
Could I also ask whether you had to design your shift nodes with Glue or
Chain operands? I haven't taken extra that step yet, but I imagine it will
be necessary.
Sincerely,
~Dave Waggoner / MathOnNapkins
On Sun, Nov 10, 2013 at 1:35 PM, Steve Montgomery <
stephen.montgomery3 at btinternet.com> wrote:
> I forgot to mention that I used EXTRACT_ELEMENT in my backend to get the
> high and low parts of an SDValue.
>
> On 10 Nov 2013, at 17:50, Steve Montgomery <...
2013 Nov 09
2
[LLVMdev] [Target] Custom Lowering expansion of 32-bit ISD::SHL, ISD::SHR without barrel shifter
...ntioned example:
asl %b
rol %c
asl %b
rol %c
There doesn't seem to be a set of standard node types analogous to ADD /
ADDC / ADDE for shift operations, which is really what I'm after here.
I would very much appreciate any advice or insight you could provide on
this matter.
Thanks,
~Dave Waggoner / MathOnNapkins
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2013 Jan 21
0
[LLVMdev] Troubleshooting Internal Garbage Collection
removeFromParent just unlinks it from the basic block and returns the
removed instruction. It does not delete it.
On Sun, Jan 20, 2013 at 9:54 PM, David Waggoner <mathonnapkins at gmail.com>wrote:
>
> Thanks for the suggestion, Duncan.
>
> I recently figured out that it had to do with how I was removing the
> pseudo instruction in my overridden expandPostRAPseudo() implementation.
>
> // member function's signature
> boo...
2013 Nov 10
0
[LLVMdev] [Target] Custom Lowering expansion of 32-bit ISD::SHL, ISD::SHR without barrel shifter
...gt; rol %c
>
> There doesn't seem to be a set of standard node types analogous to ADD / ADDC / ADDE for shift operations, which is really what I'm after here.
>
> I would very much appreciate any advice or insight you could provide on this matter.
>
> Thanks,
> ~Dave Waggoner / MathOnNapkins
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
2013 Jan 21
2
[LLVMdev] Troubleshooting Internal Garbage Collection
Thanks for the suggestion, Duncan.
I recently figured out that it had to do with how I was removing the pseudo
instruction in my overridden expandPostRAPseudo() implementation.
// member function's signature
bool TheInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator p_mi)
// works
bb.erase(p_mi);
// produces the assertion / memory leak.
p_mi->removeFromParent();
I should have
2011 Jul 08
2
POP3 vs. IMAP Load/Memory usage in Dovecot 1.0.15
Hi all,
We've just provisioned a new cluster of dovecot nodes running Centos
and Dovecot 1.0.15 (we needed to match the original configuration,
we're upgrading to 1.2 next week!).
The nodes are currently equally allocated (50/50 split) to IMAP and
POP3, with the intention to move them into a single cluster hosting
both services in the next month.
All the servers are of identical
2013 Nov 24
0
[LLVMdev] [llvmdev] Specifying / modeling copying semantics in more detail
...late fix this problem. Should I create a new pass
to run after Post Regalloc to correct my Machine Functions? That seems like
a last ditch effort at fixing the problem though, and I'd rather resolve it
through some other means if possible. Any input would be much appreciated.
Thank You,
~Dave Waggoner / MathOnNapkins
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2013 Jan 27
0
[LLVMdev] SHL_PARTS and company
Dear All,
I think I understand the motivation for these node types, but I'm not
positive:
"
/// SHL_PARTS/SRA_PARTS/SRL_PARTS - These operators are used for
expanded
/// integer shift operations, just like ADD/SUB_PARTS. The operation
/// ordering is:
/// [Lo,Hi] = op [LoLHS,HiLHS], Amt
SHL_PARTS, SRA_PARTS, SRL_PARTS
"
Okay, for one thing, I can't
2013 Jan 14
2
[LLVMdev] Troubleshooting Internal Garbage Collection
Hello,
I've made some fair progress on a target for 6502 family CPUs recently, but
I've run into an error I'm not sure how to address. I've ruminated over it
for about a week now, trying various things and not having any success. It
seems to scale with the number of routines in my .ll file, which I am
trying to run through llc. I get the following stack dump from an assertion: