09/05/2018 09:43, Xu, Rosen:
> From: Rosen Xu <[email protected]>
>
> Add Intel FPGA BUS Rawdev Driver which is based on
> librte_rawdev library.
>
> Signed-off-by: Rosen Xu <[email protected]>
> Signed-off-by: Yanglong Wu <[email protected]>
> Signed-off-by: Tianfei Zhang <[email protected]>
> Acked-by: Shreyansh Jain <[email protected]>
I have a compilation error:
drivers/raw/ifpga_rawdev/base/ifpga_fme_pr.c:10:15: error:
instruction requires: AVX-512 ISA
because of vmovdqu64:
#if defined(RTE_ARCH_X86_64)
static inline void copy512(const void *src, void *dst)
{
asm volatile("vmovdqu64 (%0), %%zmm0;"
"vmovntdq %%zmm0, (%1);"
:
: "r"(src), "r"(dst));
}
#else
static inline void copy512(const void *src, void *dst)
{
UNUSED(src);
UNUSED(dst);
WARN_ON(1);
}
#endif
I suggest to fix it quickly without waiting a v11 with this:
static inline void copy512(const void *src, void *dst)
{
#ifdef CC_SUPPORT_AVX512F
asm volatile("vmovdqu64 (%0), %%zmm0;"
"vmovntdq %%zmm0, (%1);"
:
: "r"(src), "r"(dst));
#else
UNUSED(src);
UNUSED(dst);
WARN_ON(1);
#endif
}
It does not make any runtime detection, but it's better than previously.
