https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101017
Hongtao Liu <liuhongt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |haochen.jiang at intel dot com
--- Comment #7 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
> For arch=core-avx2, function returns in reg(cfun->returns_struct), but for
> "default" and resolver function, it returns in memory(cfun->returns_struct
> == 1)
>
> The mismatch between resolver and dispatched function caused the ICE.
similar issue for
#include <immintrin.h>
__attribute__((target_clones ("avx512f", "default")))
__m512d foo(__m512d a, __m512d b)
{
c = a + b;
}
with -O2, under avx512f, it returns in reg, by default it returns in memory.
