Hi Haochen,
on 2024/1/11 16:28, HAO CHEN GUI wrote:
> Hi,
> This patch eliminates unnecessary byte swaps for block clear on P8
> LE. For block clear, all the bytes are set to zero. The byte order
> doesn't make sense. So the alignment of destination could be set to
> the store mode size in
On Fri, Jan 12, 2024 at 3:15 AM HAO CHEN GUI wrote:
>
> Hi Richard,
>Thanks so much for your comments.
>
>
> >> patch.diff
> >> diff --git a/gcc/config/rs6000/rs6000-string.cc
> >> b/gcc/config/rs6000/rs6000-string.cc
> >> index 7f777666ba9..4c9b2cbeefc 100644
> >> ---
Hi Richard,
Thanks so much for your comments.
>> patch.diff
>> diff --git a/gcc/config/rs6000/rs6000-string.cc
>> b/gcc/config/rs6000/rs6000-string.cc
>> index 7f777666ba9..4c9b2cbeefc 100644
>> --- a/gcc/config/rs6000/rs6000-string.cc
>> +++ b/gcc/config/rs6000/rs6000-string.cc
>> @@ -140,7
On Thu, Jan 11, 2024 at 9:30 AM HAO CHEN GUI wrote:
>
> Hi,
> This patch eliminates unnecessary byte swaps for block clear on P8
> LE. For block clear, all the bytes are set to zero. The byte order
> doesn't make sense. So the alignment of destination could be set to
> the store mode size in
Hi,
This patch eliminates unnecessary byte swaps for block clear on P8
LE. For block clear, all the bytes are set to zero. The byte order
doesn't make sense. So the alignment of destination could be set to
the store mode size in stead of 1 byte in order to eliminates
unnecessary byte swap
