Hi,
On Thu, Jan 14, 2016 at 10:20 PM, Ilya Razenshteyn <ilya...@mit.edu> wrote:
> Hi all,
>
> the below C code fails under Cygwin. More specifically, the environment is:
> Windows 8.1, Cygwin 2.3.1, GCC 4.9.3, CPU 'Intel(R) Core(TM) i7-4510U CPU @
> 2.00GHz', compilation options are '-O0 -mavx'. Is it indeed a bug in Cygwin
> or I don't understand something?
>
> Cheers,
> Ilya
>
> #include "immintrin.h"
>
> __m256 routine(void) {
> __m256 aux;
> return aux;
> }
>
> int main(void) {
> void *buf = malloc(1);
> __m256 res = routine();
> return 0;
> }
I believe this is due to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412 ,
https://stackoverflow.com/questions/5983389/how-to-align-stack-at-32-byte-boundary-in-gcc
has an ugly workaround which might work for you.
Regards,
ismail
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