[llvm-dev] error:Ran out of lanemask bits to represent subregisterr

Krzysztof Parzyszek via llvm-dev llvm-dev at lists.llvm.org
Wed Jul 19 14:26:27 PDT 2017

On 7/19/2017 4:18 PM, Craig Topper wrote:
> LaneMask isn't as self contained as it should be. 64 bits is enough 
> here. The problem is accidental leaking of the current size.
> For example there was a hard coded compare with 32 in tablegen until I 
> fixed it recently. 

This is most likely the only example.  I actually tested it with 
uint64_t (but without exceeding 32 lanes).


Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, 
hosted by The Linux Foundation

More information about the llvm-dev mailing list