llvm dev - Dec 2011 - [LLVMdev] bdver1 cpu(bulldozer) support with dragonegg

Better be quick! I am adding FMA4 and XOP now, and if you contribute code before
I do, you can spare yourself some XOP merging.

- Jan



----- Original Message -----
> From: David A. Greene <greened at obbligato.org>
> To: Benjamin Kramer <benny.kra at googlemail.com>
> Cc: llvmdev at cs.uiuc.edu
> Sent: Thursday, December 1, 2011 12:19 PM
> Subject: Re: [LLVMdev] bdver1 cpu(bulldozer) support with dragonegg
> 
> Benjamin Kramer <benny.kra at googlemail.com> writes:
> 
>>  On 30.11.2011, at 08:33, Duncan Sands wrote:
>> 
>>>  Hi Jan,
>>> 
>>>>  if I compile with dragonegg and -march=native I get this
message:
>>>>  'bdver1' is not a recognized processor for this target
> (ignoring processor)
>>> 
>>>  this is coming directly from LLVM which doesn't know about 
> bulldozer yet.
>>> 
>>>>  Is there any plan to support this cpu ?
>>> 
>>>  I don't know.  Hopefully someone who knows something about
this
> will comment.
>> 
>>  I added a basic description for bdver1 and bdver2 in r145493.
>>  LLVM doesn't know many of bulldozer's new instructions though.
> 
> We have implementations for XOP.  Again, I'll be pushing it back as
soon
> as we get 3.0 merged.  That will take a bit of effort as we have to
> resolve various AVX conflicts.
> 
>                                -Dave
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>

Jan Sjodin <jan_sjodin at yahoo.com> writes:
> Better be quick! I am adding FMA4 and XOP now, and if you contribute
> code before I do, you can spare yourself some XOP merging.
Go ahead.  We're not going to get there soon enough.  :(

                             -Dave

That is too bad. :(  You can always review the patches, and if you see something
that can be done better let me know.

- Jan



----- Original Message -----
> From: David A. Greene <greened at obbligato.org>
> To: Jan Sjodin <jan_sjodin at yahoo.com>
> Cc: David A. Greene <greened at obbligato.org>; Benjamin Kramer
<benny.kra at googlemail.com>; "llvmdev at cs.uiuc.edu"
<llvmdev at cs.uiuc.edu>
> Sent: Thursday, December 1, 2011 2:48 PM
> Subject: Re: [LLVMdev] bdver1 cpu(bulldozer) support with dragonegg
> 
> Jan Sjodin <jan_sjodin at yahoo.com> writes:
> 
>>  Better be quick! I am adding FMA4 and XOP now, and if you contribute
>>  code before I do, you can spare yourself some XOP merging.
> 
> Go ahead.  We're not going to get there soon enough.  :(
> 
>                              -Dave
>