Sorry, I had some problems with email.  Therefore there are email 
duplication and they were sent to gcc@gcc.gnu.org instead of 
gcc-patches@gcc.gnu.org


On 8/9/23 16:54, Vladimir Makarov wrote:


>
> On 8/9/23 07:15, SenthilKumar.Selvaraj@microchip.com wrote:
>> Hi,
>>
>>    After turning on FP -> SP elimination after Vlad fixed
>>    an elimination issue in 
>> https://gcc.gnu.org/git?p=gcc.git;a=commit;h=2971ff7b1d564ac04b537d907c70e6093af70832,
>>    I'm now running into reload failure if arithmetic is done on SP.
>>
> I think we can permit to stack pointer output reloads.  The only thing 
> we need to update sp offset accurately for the original and reload 
> insns.  I'll try to make the patch on this week.
>
>
The following patch fixes the problem.  The patch was successfully 
bootstrapped and tested on x86_64, aarch64, and ppc64le.

The test case is actually one from GCC test suite.