[llvm-commits] Fix typo of ARM Neon's VABAs and VABAu (Vector Absolute Difference and Accumulate)

Bob Wilson bob.wilson at apple.com
Thu Oct 15 20:59:51 PDT 2009


Applied.  I hope there's not too many more of these -- it's kind of embarassing how many of them I got wrong!

On Oct 15, 2009, at 5:55 PM, Johnny Chen wrote:

> Hi,
> 
> Refs: A7-13 & A8-526
> Probably the chip designer wants to distinguish VABA and VABD of three registers of the same length
> not with Instr{11-8}, but with only Instr{4}.
> 
> But then, for three registers of different lengths, VABAL and VABDL has different Instr{11-8}, but with Instr{4}=0.
> Ref: A7-15.
> 
> <ARMInstrNEON.td.patch4>_______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits





More information about the llvm-commits mailing list