On 2012.03.28 13:33, Denys Vlasenko wrote:
> On Wednesday 28 March 2012 12:24, roma1390 wrote:
>> On 2012.03.28 13:13, Denys Vlasenko wrote:
>>> Second: run
>>> arm-linux-gnueabi-gcc -O2 -Wall test_{org,new}.c -S
>>> and email me resulting test_{org,new}.s files.
>>
>> test_{org,new}.s attached.
>
>
> Bingo.
>
>          bl      __aeabi_uidivmod
>
> Not good. Your gcc did not optimize division by constant.
>
> Can you add  "noinline_for_stack":
>
> static noinline_for_stack<=== HERE
> char *put_dec(char *buf, unsigned long long n)
>
> amd regenerate and resend the test_new.s?
>

Hello,

Your requested asm are attached.

roma1390