PTO-BLOCK-MODEL-DISPATCH-TLSU-MSCATTER-MASK

1// PTO-UNIT: {"id":"PTO-BLOCK-MODEL-DISPATCH-TLSU-MSCATTER-MASK","surface":"block","classification":["model","dispatch","tlsu-mscatter-mask"],"depends_on":["PTO-BLOCK-MODEL-DISPATCH-TLSU-MSCATTER","PTO-TILE-MODEL-MEMORY-GATHER-SCATTER"]}2
3readonly func BundleMSCATTERMASKSelected() => boolean4begin5    return _BundleOperation.valid &&6           _BundleOperation.operation_class == BundleOperation_TileMemory &&7           _BundleOperation.selector_valid &&8           UInt(_BundleOperation.selector[4:0]) == 7;9end;10
11readonly func BundleMSCATTERMASKBindingsLegal() => boolean12begin13    if BundleTileBindingCount() != 2 then return FALSE; end;14    let first = _BundleTileBindings[[0]];15    let second = _BundleTileBindings[[1]];16    return first.valid && !first.destination_valid &&17           first.destination_size == 0 && first.source0_valid &&18           first.source1_valid && !first.last &&19           second.valid && !second.destination_valid &&20           second.destination_size == 0 && second.source0_valid &&21           !second.source1_valid && second.last;22end;23
24func ExecuteBundleMSCATTERMASKOperation() => boolean25begin26    if SelectedBundleTileMaskIsZero() then return TRUE; end;27    let decoded = DecodeTileOperation(TileDecode_TLSU,28        BundleOperationDecodeCode(_BundleOperation));29    if decoded == PTO_TILE_OPERATION_COUNT then30        SetFault(Fault_IllegalInstruction, ReadTPC());31        return FALSE;32    end;33    let operation = decoded as integer {0..PTO_TILE_OPERATION_COUNT-1};34    if BundleSharedBindingCount() != 0 ||35       !_BundleScalarBindings[[0]].valid ||36       !BundleOperationBindingsComplete(operation) ||37       !BundleOperationGPRBindingValuesLegal(operation) ||38       !SelectedBundleTileMasksLegal() ||39       !BundleMGATHERDimensionsLegal() ||40       !BundleMSCATTERMASKBindingsLegal() then41        SetFault(Fault_TileLegality, ReadTPC());42        return FALSE;43    end;44    if !SelectedBundleTileDataAttributesLegal(operation) then return FALSE; end;45    let source = _BundleTileBindings[[0]].source0;46    let indices = _BundleTileBindings[[0]].source1;47    let mask = _BundleTileBindings[[1]].source0;48    let data_type = TileDataTypeFromEncoding(49        CurrentBundleTileOperationDataTypeCode() as TileDataTypeEncoding);50    let valid_columns = UInt(_BundleDimensions[[0]]) as integer {1..65535};51    let valid_rows = if _BundleDimensionPresent[[1]] then52        UInt(_BundleDimensions[[1]]) as integer {1..65535} else 1;53    let columns = if _BundleDimensionPresent[[2]] then54        UInt(_BundleDimensions[[2]]) as integer {1..65535}55        else valid_columns;56    if !TileSourceContentsDefined(source) ||57       !TileSourceContentsDefined(indices) ||58       !TilePredicateValuesLegal(mask) ||59       _Tiles[[source]].data_type != data_type ||60       !IndexedTLSUIndexDataTypeLegal(_Tiles[[indices]].data_type) ||61       !IndexedTLSUTransferDataTypeLegal(data_type) ||62       _Tiles[[source]].valid_rows != valid_rows ||63       _Tiles[[source]].valid_columns != valid_columns ||64       _Tiles[[source]].columns != columns ||65       _Tiles[[indices]].valid_rows != valid_rows ||66       _Tiles[[indices]].valid_columns != valid_columns ||67       _Tiles[[mask]].valid_rows != valid_rows ||68       _Tiles[[mask]].valid_columns != valid_columns ||69       _Tiles[[source]].layout != CurrentBundleTileLayout() ||70       _Tiles[[indices]].layout != CurrentBundleTileLayout() ||71       _Tiles[[mask]].layout != CurrentBundleTileLayout() then72        SetFault(Fault_TileLegality, ReadTPC());73        return FALSE;74    end;75    if !TileOperandsLegal_MSCATTER_MASK(Zeros{PTO_XLEN}, source, indices,76           mask) then77        SetFault(Fault_TileLegality, ReadTPC());78        return FALSE;79    end;80    let base_address = ReadPEAbsoluteGPROperand(_CurrentMemoryAgent,81        _BundleScalarBindings[[0]].source0);82    MSCATTER_MASK(base_address, source, indices, mask);83    if _LastFault != Fault_None then return FALSE; end;84    FinalizeBundleTileAttempt(TileExecution_Executed);85    return TRUE;86end;87