On 3/28/19 5:07 PM, Marc Glisse wrote:
> On Thu, 28 Mar 2019, Vineet Gupta wrote:
>
>> simple test such as below was failing.
>>
>> | void main(int argc, char *argv[])
>> | {
>> | size_t total_time = 115424; // expected 115.424
>> | double secs = (double)total_time/(double)1000;
>> | printf("%s %d %lf\n", "secs", total_time, secs); // prints 113.504
>> | printf("%d\n", (size_t)secs);
>> | }
>>
>> The printf eventually called into glibc stdlib/divrem.c:__mpn_divrem()
>> which uses the __arc__ specific inline asm macros from longlong.h which
>> were causing miscompilation.
> Hello,
>
> do you intend to post similar patches for glibc and gmp, which both have a
> similar longlong.h?
Yeah, glibc typically "syncs" longlong.h from gcc so once gcc patch is merged,
I'll post a sync patch to glibc.
Good tip about gmp, I wasn't aware of that. I suppose I could post there too once
dust settles on gcc side.
Thx,
-Vinet
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