[Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE41 phminposuw intrinsic to be used in constexp #161336
Description
_mm_minpos_epu16
index[2:0] := 0 min[15:0] := a[15:0] FOR j := 0 to 7 i := j*16 IF a[i+15:i] < min[15:0] index[2:0] := j min[15:0] := a[i+15:i] FI ENDFOR dst[15:0] := min[15:0] dst[18:16] := index[2:0] dst[127:19] := 0