[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 14:36:20 PDT 2017
Those couldn't be done generically, that's why the asserts were added.
On 7/19/2017 4:30 PM, Craig Topper wrote:
> What about the static asserts protecting a Log call and another in the
> On Wed, Jul 19, 2017 at 2:26 PM Krzysztof Parzyszek
> <kparzysz at codeaurora.org <mailto:kparzysz at codeaurora.org>> wrote:
> 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).
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