[llvm-dev] mgather expand error

[hameeza ahmed via llvm-dev]

Hello,

my target support maximum gather of v64i32....i want to lower all the
greater gathers to v64i32. for this i used;

             setOperationAction(ISD::MGATHER,             MVT::v128i32,
Expand);

but i am getting error;

LLVM ERROR: Cannot select: t4257: v128i32,ch =
masked_gather<LD512[<unknown>](align=4)(tbaa=<0x30e7c78>)> t0,
undef:v128i32, t4394, TargetConstant:i64<0>, t4312
  t1061: v128i32 = undef
  t4394: v128i1 = BUILD_VECTOR TargetConstant:i1<-1>,
TargetConstant:i1<-1>, TargetConstant:i1<-1>, TargetConstant:i1<-1>,........


why is that so?
please help?
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