[LLVMdev] changing -mattr behavior with mmx and sse

[Preston Gurd]

Might you instead consider just adding a -disable-mmx option?

Preston

On Thu, 2008-20-11 at 02:57 -0500, Mon Ping Wang wrote:
> Hi,
> 
> When setting -mattr option on X86, I would like to treat MMX
> separately from SSE levels. This would allow a client who sets the
> attributes directly to set the SSE level independent of MMX, e.g., llc
> -march=x86 -mattr=sse41, one would get sse4.1 with mmx disabled while
> llc -march=x86 -mattr=mmx -mattr=sse42 will get mmx and sse42.  If
> anyone objects to this change, please let me know.
> 
> Thanks,
>    -- Mon Ping
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev