Re: [dpdk-dev] [PATCH v5 1/3] ixgbe: Cleanups

[Pawel Wodkowski <pawelx.wodkowski@intel.com>]

On 2015-03-09 11:49, Ananyev, Konstantin wrote:
>
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Vlad Zolotarov
>> Sent: Monday, March 09, 2015 10:21 AM
>> To: dev@dpdk.org
>> Subject: [dpdk-dev] [PATCH v5 1/3] ixgbe: Cleanups
>>
>>     - Removed the not needed casting.
>>     - ixgbe_dev_rx_init(): shorten the lines by defining a local alias variable to access
>>                            &dev->data->dev_conf.rxmode.
>>
>> Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
>> ---
>>   lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 27 ++++++++++++---------------
>>   1 file changed, 12 insertions(+), 15 deletions(-)
>>
>> diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
>> index 72c65df..609b5fd 100644
>> --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
>> +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
>> @@ -1032,8 +1032,7 @@ ixgbe_rx_alloc_bufs(struct igb_rx_queue *rxq)
>>   	int diag, i;
>>
>>   	/* allocate buffers in bulk directly into the S/W ring */
>> -	alloc_idx = (uint16_t)(rxq->rx_free_trigger -
>> -				(rxq->rx_free_thresh - 1));
>> +	alloc_idx = rxq->rx_free_trigger - (rxq->rx_free_thresh - 1);
>
> I think all these extra casts came in to keep icc 12.* compiling without warnings.
> I am agree that they are unnecessary.
> Though if we still have to support icc 12.* we either need to keep them, or find
> some other way to keep it happy.
> Konstantin
>

What warnings icc 12.* is throwing? Only warning I can think of here is 
signed -> unsigned implicit cast. Changing '1' to '1U' helps?


-- 
Pawel