821     int32_t i1, i2, i3, i3b, nextOffset, min, newBlock;  in addFromUTrieEntry()  local
841         newBlock=extData->stage2Top;  in addFromUTrieEntry()
842         min=newBlock-nextOffset; /* minimum block start with overlap */  in addFromUTrieEntry()
843         while(min<newBlock && extData->stage2[newBlock-1]==0) {  in addFromUTrieEntry()
844             --newBlock;  in addFromUTrieEntry()
847         extData->stage1[i1]=(uint16_t)newBlock;  in addFromUTrieEntry()
848         extData->stage2Top=newBlock+MBCS_STAGE_2_BLOCK_SIZE;  in addFromUTrieEntry()
860         newBlock=extData->stage3Top;  in addFromUTrieEntry()
861         min=newBlock-nextOffset; /* minimum block start with overlap */  in addFromUTrieEntry()
862         while(min<newBlock && extData->stage3[newBlock-1]==0) {  in addFromUTrieEntry()
863             --newBlock;  in addFromUTrieEntry()
867         newBlock=(newBlock+(UCNV_EXT_STAGE_3_GRANULARITY-1))&~(UCNV_EXT_STAGE_3_GRANULARITY-1);  in addFromUTrieEntry()
868         extData->stage2[i2]=(uint16_t)(newBlock>>UCNV_EXT_STAGE_2_LEFT_SHIFT);  in addFromUTrieEntry()
870         extData->stage3Top=newBlock+MBCS_STAGE_3_BLOCK_SIZE;  in addFromUTrieEntry()